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210results about How to "Achieve metering" patented technology

Production of NDI-polyurethane microporous elastomer

Production of NDI-base polyurethane micro-porous elastomer is carried out by preparing performed polymer, reacting excess polyisocyanate with polylol at 120-140degree to form NCO-base performed polymer, pouring, mixing performed polymer with chain extender proportionally, injecting reactive liquid into mould at 80-95degree, pre-curing, de-molding, and after-curing for de-molded product at 110degree for 13-16hrs. It has excellent weathering resistance and hydrolytic stability. It can be used for high-strength damping element, buffering component and shock-absorbing block.
Owner:上海凯众材料科技股份有限公司

Well logging power graph method and device

The present invention relates to oil well output liquid measuring power graph method and device. Oil well liquid output is measured through analysis of the 3D vibration of oil pumping rod column, oil pipe column and liquid column and the time relationship of their displacement, speed, strain, stress and load, research of the mutual coupling of the force and displacement of these three sys, acquiring oil well relating data with load and displacement sensors, and computer treatment to calculate the effective stroke of the oil pump. Meanwhile, the present invention also performs the diagnosis and analysis of oil well work state and the remote monitoring of oil well.
Owner:PETROCHINA CO LTD

Electricity trading system

The invention discloses an electricity trading system. The system comprises a metering module, a block chain module and a communication module, wherein the metering module is used for bidirectional orunidirectional metering of electric quantities; the block chain module is used for realizing point-to-point electricity trading among nodes in a block chain network in a region through the communication module and the Internet-based block chain network; and the communication module is used for realizing data transmission between the metering module and the block chain module and data transmissionin the block chain network by the adoption of the wireless or wired communication technology. According to the system, electricity trading and recording are performed through the block chain module,so that final electric quantity information and point-to-point electricity trading information are both stored in the block chain network in a distributed and non-tampering mode, metering, trading andrecording of the electric quantity of a microgrid are realized, and the microgrid is more feasible in economy.
Owner:HEPU TECH DEV BEIJING CO LTD

Experimental device and method of super heavy oil reservoir steam-nitrogen-viscosity reducer composite steam stimulation

The invention discloses an experimental device and method of super heavy oil reservoir steam-nitrogen-viscosity reducer composite steam stimulation. The device comprises an injection system, a model system, a constant-temperature control system, an output metering system and a data collection system. The injection system comprises a steam injection device, a gas buffer device, a viscosity reducer injection device and an oil and water saturation device which are connected in parallel, and the outlet ends of all the devices are connected with the model system. The model system is arranged in the constant-temperature control system, the inlet end of the model system is connected with the injection system, and the outlet end of the model system is connected with the output metering system. The output metering system comprises a return pressure control device and an ultrasonic oil and water separating and metering device, one end of the return pressure control device is connected with an outlet of the model system, and the other end of the return pressure control device is connected with the ultrasonic oil and water separating and metering device. The data collection system comprises a pressure sensor, a temperature sensor, a flowmeter, an electronic scale, a computer data collection system and a data analysis system, and the computer data collection system and the data analysis system achieve data collection and calculation.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Airport ground vehicle tracking management system

The invention provides an airport ground vehicle tracking management system which comprises multiple vehicle information collection devices, one or more ground substations and an upper computer. All ground vehicles are provided with the vehicle information collection devices respectively, the ground substations are arranged on an airport tower or the ground, and the upper computer is arranged on a monitoring center. The ground vehicle information collection devices are connected with the ground substations through wireless transmission networks, and the ground substations and the upper computer are connected through a cable transmission network. The airport ground vehicle tracking management system has the advantages that firstly, real-time and automatic monitoring and management can be conducted on the positions, the running states and the work states of the airport ground vehicles, and the management efficiency of the ground vehicles by the airport is greatly improved; secondly, measuring of the service life of the ground vehicles can be achieved, and a basis is provided for airport and airline measuring and charging; thirdly, statistic data are provided, comparison with the airport flight operation guarantee standard is conducted, and a basis for airport ground service evaluation is provided.
Owner:CIVIL AVIATION UNIV OF CHINA

Powdered coal pressure dense-phase conveying device and method of dry coal dust pressure gasification

The invention relates to a powdered coal pressure dense-phase conveying device and method of dry coal dust pressure gasification. The device is characterized by comprising a normal-pressure bin, a variable-pressure bin and a feeding bin which are sequentially arranged from top to bottom, wherein the gas outlets of the normal-pressure bin, the variable-pressure bin and the feeding bin are connected with respective bag-type dust collectors respectively; an outlet control valve is arranged on a gas discharge pipeline; the fluidized gas inlets of the normal-pressure bin, the variable-pressure bin and the feeding bin are connected with a gas supply source through respective fluidized gas pipelines; the pressure gas inlets of the variable-pressure bin and the feeding bin are connected with the gas supply source through respective pressure gas pipelines; the variable-pressure bin and the feeding bin are connected through a pressure balance pipeline; a pressure balance valve is arranged on the pressure balance pipeline; and a coal dust outlet of the feeding bin is connected with a nozzle through a coal dust conveying pipeline. The invention also provides a coal dust conveying method adopting the powdered coal pressure dense-phase conveying device of dry coal dust pressure gasification. The device and method provided by the invention can perfectly realize uniform distribution and conveying stability of powdered coal flow on the conveying pipeline to accurately control the powdered coal conveying flow.
Owner:SHANGHAI BOILER WORKS

Fine line loss analysis system

The invention discloses a fine line loss analysis system, which comprises an intelligent line loss analysis host module and a plurality of monitoring modules connected to the intelligent line loss analysis host module. The monitoring modules are respectively arranged at a side of a distribution transformer of a station area, branch nodes of each low-voltage branch line, and the side of each user meter box. The monitoring modules are used for separately monitoring the distribution transformer side, the branch nodes of each low-voltage branch line, the metering data of each user meter box, and the metering data of each branch household meter in each user meter box. The intelligent line loss analysis host module collects the total area data of the station area and the measurement data monitored by each monitoring module in real time, and compares the received measurement data according to a hierarchical structure of a distribution network of the station area to obtain and output the lineloss analysis result. According to the fine line loss analysis system, the fine line loss analysis of the station area can be realized. The method has advantages of simple realization, low cost, highprecision, stability and reliability, and the like.
Owner:STATE GRID HUNAN ELECTRIC POWER +2

Heat supply measurement sharing method based on heating area, indoor and outdoor temperature difference and heating time

The invention relates to a heat supply measurement sharing method based on heating area, indoor and outdoor temperature difference and heating time, belonging to the field of centralized heat supply. The technical scheme is as follows: an effective energy consumption concept is introduced from the aspect of actual utility provided for heating users by a heat supply system; effective heat consumption under different outdoor environment temperatures and indoor heating temperatures of the users can be projected by weakening heat loss or gain due to factors such as structures of buildings, heat conduction and heat radiation among different rooms of users, and the like; the product of temperature difference and time corresponding to each of sampling periods of user rooms under real-time outdoor environment temperature and indoor heating temperature is metered; and finally heat measured by building heat meters according to the product of heating area, heating temperature difference and heating time of the users is shared, and the value of the shared heat is taken as the basic evidence for charging the users, therefore, multiple contradictions and problems existed when household metering is carried out by utilizing the traditional metering method are greatly solved.
Owner:武海强

Intelligent magnetic latching miniature circuit breaker

The invention discloses an intelligent magnetic latching miniature circuit breaker, which comprises a shell, a magnetic latching relay and a driving circuit, wherein the driving circuit receives a control signal and then drives the magnetic latching relay to work; the magnetic latching relay comprises a movable spring assembly, a stationary spring assembly, a stirring rod, a pushing sheet and a magnetic steel assembly; the intelligent magnetic latching miniature circuit breaker also comprises a central processing unit, a communication chip and a measurement module; and the measurement module is used for measuring power, voltage and current data and sending the data to the central processing unit. The intelligent magnetic latching miniature circuit breaker has the advantages that: the conventional design idea for a miniature circuit breaker is eliminated; and by arranging the magnetic latching relay, the central processing unit, a current transformer, a measurement chip and the communication chip in a shell of the miniature circuit breaker, the miniature circuit breaker has protection, measurement, control and communication functions.
Owner:泰州市顶锋剃须刀制造有限公司

Self-service charging terminal based on distributed bookkeeping

The invention discloses a self-service charging terminal based on distributed bookkeeping. The terminal comprises a data center server, an automatic charging terminal chip, a metering chip, a mobile phone and a networked charging system. An output end of the data center server is electrically connected with a distributed ledger system. Interaction between the distributed ledger system and the automatic charging terminal chip is realized through a router. The automatic charging terminal chip pre-sets a signature of a user and a contract creation mechanism. The self-service charging terminal based on distributed bookkeeping is capable of rapidly and accurately authenticating an identity of the user and confirming payment information of the user. Therefore, a charging process is automated andself-service. The level of automation of the self-service charging terminal is greatly improved so that the user can pay for his bill more quickly and conveniently. Additionally, the self-service charging terminal can precisely charge in an automated manner. The safety degree is high.
Owner:深圳市图灵奇点智能科技有限公司

Automatic dosing machine with mobile receiving function

InactiveCN103932616ARealize mobile picking functionSimple structureKitchen equipmentEngineeringMechanical engineering
The invention discloses an automatic dosing machine with the mobile receiving function. The automatic dosing machine comprises a storing container, a receiving container, a sliding component, a control component and a rack. The storing container is installed on the rack, and a discharging outlet of the storing container is located above the receiving container. The receiving container is placed on the sliding component. The sliding component is installed on the rack. The control component is installed on the rack and respectively connected with a storing container control mechanism and a sliding component control mechanism. The storing container control mechanism receives a control instruction of the control component, and dosing materials stored in the storing container are sent out; the sliding component control mechanism receives a control instruction of the control component, and drives the receiving container arranged on the sliding component to move to the position below the storing container. The receiving container receives dosing materials discharged by the storing container. The automatic dosing machine has the automatic dosing material discharging and mobile receiving functions, and is simple in structure, low in cost and convenient to clean.
Owner:ZHUHAI UNITECH POWER TECH CO LTD

Wired and wireless hybrid DC charging system

InactiveCN106849291AMeet the requirements of DC fast chargingRealize energy replenishmentBatteries circuit arrangementsCharging stationsFast chargingComputer module
The invention relates to a charging system, and belongs to the technical field of a charging device. A wired and wireless hybrid DC charging system is characterized by comprising a wired and wireless universal module and a wireless charging module, wherein the wired and wireless universal module is provided with an input end and an output end and is used for achieving electric energy transmission and control under a wired mode, the input end is connected with a single-phase power frequency alternating current, the output end is connected with an electromobile, the wireless charging module is provided with an input end and an output end and is used for converting a direct current to an alternating current and completing wireless electric energy transmission, the input end is connected with the output end of the wired and wireless universal module, and the output end is connected with the electromobile. By the wired and wireless hybrid DC charging system, the requirement of DC fast charge of the electromobile is met, meanwhile, energy is supplemented to a wireless electromobile, uniform control and metering under two charging modes is achieved, the potential of charging facility is fully dug, and the requirements of reasonable layout, scientificness and efficiency are met. Two modes of wired charging and wireless charging are integrated, uniform management is facilitated, the construction cost is reduced, benefits are brought to people to the greatest extent, and market demand is satisfied.
Owner:ZONECHARGE WIRELESS POWER TECH CO LTD

Movable wellhead platform for offshore marginal oilfield development and use method thereof

The invention discloses a movable wellhead platform for offshore marginal oilfield development and a use method of the platform. The platform constituently comprises a platform main body and four pile legs, wherein the four pile legs are connected with the platform main body through hydraulic lifting devices; a submarine oil pipeline vertical pipe is arranged along a height direction of one pile leg; the platform main body is provided with fixing winches and positioning anchors which are respectively arranged outside the pile legs; the platform main body is provided with a multi-way valve, a multiphase flowmeter, a water injection manifold, a water injection filter, a wellhead control disk, an industrial switch, an electric submersible pump junction box, a submarine cable junction box, a lifting hydraulic station, an electrical winch, an electrical remote-control gangway ladder, oil and gas production equipment and a wellhead supporting structure; the wellhead supporting structure is connected with a conductor tube; a wellhead Christmas tree is arranged on the upper end of the conductor tube; the lower end of the conductor tube drills into a submarine designated position, and is fixed by utilization of an underwater wellhead template. The movable wellhead platform disclosed by the invention has the advantages that the production requirements of different offshore marginal oilfields in all life cycles can be met, and the platform can be further removed and wetly towed to other oilfields for operation after the current oilfield is abandoned.
Owner:CHINA NAT OFFSHORE OIL CORP +1

In-situ self-inspection and metering device and method of automatic test system

InactiveCN104375024ASimplify system resourcesImprove system mobilityElectrical testingAutomationPower module
The invention discloses an in-situ self-inspection and metering device of an automatic test system. The in-situ self-inspection and metering device of the automatic test system comprises a main control computer, a first measurement and control module, a second measurement and control module, a test interface, a power module and a calibration instrument. The first measurement and control module is connected with the main control computer through a PXI bus. The second measurement and control module is connected with the main control computer through an LXI bus. The test interface is connected with the first measurement and control module and the second measurement and control module respectively. One end of the power module is connected with the main control computer, and the other end of the power module is connected with the test interface. The calibration instrument is connected with the test interface. The invention further provides an in-situ self-inspection and metering method. According to the in-situ self-inspection and metering device and the in-situ self-inspection and metering method of the automatic test system, the accuracy and the reliability of self-inspection results can be improved effectively, the self-inspection and metering period of the system is shortened, and the automation and informatization needs are met.
Owner:SHANGHAI RADIO EQUIP RES INST

Preparation method of polyurethane elastomer containing two kinds of special micropores

The invention discloses a preparation method of a polyurethane elastomer containing two kinds of special micropores and aims to solve the problem that a polyurethane elastomer containing one kind of special miropores in the prior art requires high production cost and can be only applied in limited special fields. The preparation method is characterized by the following steps of: mixing a performed polymer component and a chain extender component in proportion, injecting the reaction feed liquid into a die with the die temperature of 75-90 DEG C, molding, followed by secondary slaking, and demoulding to prepare the polyurethane elastomer containing two kinds of special micropores. The product prepared by the method has all performance of the polyurethane elastomer containing one kind of special micropores, and is more excellent than the polyurethane elastomer containing one kind of special micropores due to excellent heat conductivity and low price. The product is mainly used to prepare filled-type high-speed solid tires, high-speed railway sleepers and the like.
Owner:付玉东

Electric energy meter having AC/DC adaptive electric energy measurement function and electric energy measurement method

The present invention discloses an electric energy meter having the AC / DC adaptive electric energy measurement function and an electric energy measurement method. The electric energy meter comprises a voltage sampling module, a current sampling module, an electric energy measurement module and a single-chip microcomputer control module. The electric energy measurement module comprises a signal detection unit, a signal processing unit, an A / D conversion unit, a high-pass filter, and an electric energy measurement unit. The signal detection unit of the electric energy measurement module is used for conducting the zero-crossing detection and the frequency measurement on input signals. Based on the dual judgment conditions of a zero signal and a frequency threshold, whether an input signal is an AC signal or a DC signal can be distinguished, so that the AC measurement or the DC measurement is adaptively conducted. According to the technical scheme of the invention, no extra circuit is required, while the input DC or the input AC can be measured. The electric energy meter is simple, practical and reliable. The problem that two types of electric energy meters are respectively required for the AC measurement and the DC measurement in the prior art can be solved.
Owner:JIANGSU LINYANG ENERGY CO LTD

Oil field single-well metering device and method

The invention provides an oil field single-well metering device and method. The oil field single-well metering device comprises a metering tank and an energy-storage tank which mutually communicate. Gas with the preset pressure is stored in the energy-storage tank, and a liquid inlet pipeline, a liquid level meter, a liquid outlet pipeline and a weighing module are arranged on the metering tank. An inlet valve is arranged on the liquid inlet pipeline, and an outlet control valve is arranged on the liquid outlet pipeline. A piston for cleaning the metering tank is further arranged in the metering tank, and the bottom of the metering tank is connected with a cleaning device which is used for injecting cleaning liquid in the metering tank. Through all embodiments of the oil field single-wellmetering device and method, the structure is simple, operation is convenient, oil field single-well metering is achieved under the situation that additional power is not needed, and the accuracy of the single-well metering result is improved.
Owner:PETROCHINA CO LTD

Iron-based redox flow battery system

The invention discloses an iron-based redox flow battery system. The iron-based redox flow battery system comprises an electroplating electrode, a redox electrode, an electroplating electrode storagetank, a redox electrolyte storage tank, a first reactor, a second reactor, a control system and a monitoring device, wherein the electroplating electrolyte storage tank is used for storing an electroplating electrolyte, and the redox electrolyte storage tank is used for storing an redox electrolyte; the redox electrode is used for coupling a fluid to the redox electrolyte storage tank, and the electroplating electrode is used for coupling the fluid to the electroplating electrolyte storage tank; the electroplating electrolyte storage tank is connected to the first reactor through a first conveying pipeline, and the redox electrolyte storage tank is connected to the second reactor through a second conveying pipeline; and the control system is connected to the monitoring device. According tothe iron-based redox flow battery system provided by the invention, the performance of the battery system can be promoted, and the efficiency of the battery system is improved.
Owner:河北地标电力科技有限公司

Standard meter access-based uninterrupted-power replacement method for replacing electric energy meters

The invention provides a standard meter access-based uninterrupted-power replacement method for replacing electric energy meters. A standard meter is accessed to the circuit of an electric energy meter. During the process from the removal of an old electric energy meter to the installation of a new electric energy meter, an electric energy metering circuit is established through switching the short-circuit plates of an electric energy metering device. In this way, the electric energy metering function is realized during the replacement of electric energy meters by means of the standard meter. According to the technical scheme of the invention, the electric energy metering function is realized during the replacement of electric energy meters. In this way, the economic loss caused by the missed metering phenomenon of the electric energy during the current power-outage replacement process of electric energy meters in the prior art can be avoided. According to the method, a three-phase 0.02-level portable multifunctional standard electric energy meter is adopted, so that the metering accuracy can be ensured. At the same time, based on the design of upper blocks, lower blocks and short-circuit plates in the junction box of the electric energy metering device, the electric energy is completely cut off during the mounting and dismounting process of to-be-dismounted electric energy meters and newly mounted electric energy meters. Therefore, electric energy meters are isolated from the charged electric energy metering loop of the standard electric energy meter. As a result, the secure operation is realized.
Owner:STATE GRID FUJIAN ELECTRIC POWER CO LTD +2

Accurate metering device capable of achieving rapid preheating

The invention discloses an accurate metering device capable of achieving rapid preheating. The accurate metering device comprises a feeding hopper, a main frame, radiant heating devices, a conveying belt, a metering mechanism and a drive mechanism, wherein a heating cavity is arranged inside the main body; one radiant heating device is arranged on the top of the main frame; a supporting board is arranged at the bottom of the main frame; two pairs of rotary shafts are installed inside the heating cavity and connected with the drive mechanism; another radiant heating device is also arranged between the two pairs of rotary shafts; the feeding hopper is installed at the upper end of the main frame; the conveying belt comprises an upper conveying belt and a lower conveying belt which are installed on the two pairs of rotary shafts of the main frame respectively; the upper conveying belt and the lower conveying belt are parallel and opposite in conveying direction; the metering mechanism comprises a weighing sensor, a data conversion module and a tray; the upper end of the weighing sensor is installed on the supporting board at the bottom of the main frame; the tray is installed at the lower end of the weighing sensor; the data conversion module is electrically connected with the weighing sensor. The accurate metering device capable of achieving rapid preheating achieves rapid preheating and accurate metering of materials, lowers the use cost of equipment, and improves production efficiency.
Owner:XIAMEN BANGZHONG TECH

Movable liquefied natural gas (LNG) pump-free filling device

The invention provides a movable liquefied natural gas (LNG) pump-free filling device. The movable LNG pump-free filling device comprises an LNG low-temperature storage tank, an LNG filling machine and a storage tank booster. The LNG low-temperature storage tank is divided into two ways from a storage tank liquid outlet valve, one way is connected with the LNG filling machine, and the other way is connected with the storage tank booster through a boosting adjusting valve. The LNG low-temperature storage tank is further provided with a lower liquid inlet valve and an upper liquid inlet valve which are gathered, and the LNG low-temperature storage tank is connected with a gas phage opening of the storage tank booster and a gas return opening of the LNG filling machine through storage tank gas phase opening root valves. The movable LNG pump-free filling device has the advantages and positive effects that the structure is compact and simple; low-temperature parts in the device are all of a vacuum cold insulation structure; the thermal insulation property is good, and the amount of generated boil off gas (BOG) is small; fuel of a pry car is gas phase natural gas in the storage tank, excessive BOG can be consumed and prevented from being discharged, and other fuels are not needed.
Owner:TIANJIN ENERGY TECH OF GAS

User-oriented energy utilization integrated management system

The invention discloses a user-oriented energy utilization integrated management system and belongs to the Internet of Things technical field. With the system adopted, the problems of the lack of management of household energy utilization and blind energy utilization in the prior art can be solved. The user-oriented energy utilization integrated management system of the invention includes a user home local area network and a background analysis main station, wherein the user home local area network and the background analysis main station exchange data with and transmit data to each other through a remote transmission network; the user home local area network includes a sensing device, energy utilization devices, an energy metering device and a regulation and management device; the energymetering device realizes the collection and metering of household energy utilization information; the regulation and management device is used for regulating and controlling the energy utilization devices and transmitting data information collected by the energy metering device to the background analysis main station; the background analysis main station analyzes and integrates the data and feedsan analysis result to the regulation and management device; and the regulation and management device regulates and manages the plurality of energy utilization devices according to the analysis result.
Owner:GOLDCARD HIGH TECH

Diaphragm type gas meter

The invention provides a diaphragm type gas meter. The diaphragm type gas meter comprises a movement, wherein the movement comprises a diaphragm box, two surface diaphragms, two diaphragm covers, a valve cover and four-axis coupling rotation systems, wherein the diaphragm box comprises a valve base and two metering chambers; the two surface diaphragms are located in the metering chambers, respectively; each surface diaphragm is connected with the corresponding four-axis coupling rotation system; a vertical shaft is fixedly connected with one end of a rocking bar and the other end of the rocking bar is hinged to one end of a connection rod; the other end of the connection rod is hinged to a crank; a central shaft of the crank is a third rotary shaft; a central crank wheel sleeves a middle shaft; the valve cover and the central crank wheel are coaxially arranged; the central crank wheel rotates around the middle shaft so that the valve cover rotates around the middle shaft synchronously; the deviation between mounting extreme positions and optimal extreme positions of the surface diaphragms is in a range from -0.5mm to +0.5mm, and the angle error of the rocking bar is in a range from -0.8 degree to +0.8 degree; and a fine tuning device is mounted on the central crank wheel. The gas meter is good in metering accuracy and high in metering precision and an applicable range of the diaphragm type gas meter is expanded.
Owner:CHENGDU QINCHUAN IOT TECH CO LTD

Municipal solid waste intelligent timely cleaning method

The invention relates to a municipal solid waste intelligent timely cleaning method. A cleaning platform is established in advance, and comprises a dustbin capacity detection device, intelligent application software, and a network server. The dustbin capacity detection device comprises a data transceiving module, a capacity detection module, a microprocessor, and a code storage module. The network server comprises a memory unit, a central processor, and a data scheduling unit. The memory unit is used to store city map information, the installation position information of the dustbin capacity detection device, and a software code of dustman application software of a dustman. The installation position information of the dustbin capacity detection device is constituted by the unique number of the dustbin capacity detection device and the installation position thereof. The municipal solid waste intelligent timely cleaning method is advantageous in that municipal solid waste processing speed is greatly accelerated, metering of dustman workload is realized, and the performance of the dustman is facilitated; information of almost all of waste spots is acquired, and dustmen are timely allocated, and therefore an intelligent degree and flexibility are high.
Owner:苏州市克拉思科文化传播有限公司

Pore-level simulation experiment device for alternately displacing oil by microorganisms and air in porous media

The invention relates to a pore-level simulation experiment device for alternately displacing oil by microorganisms and air in porous media. The pore-level simulation experiment device comprises a micro-pump, an air pump, a valve, a first intermediate container, a second intermediate container, a third intermediate container, a pressure sensor, a microscopic visualization transparent model, a sampler, a vacuum pump, a bubble tower, a computer, a three-dimensional video microscope, a hot water circulating heater and constant-temperature circulating water bath. The pore-level simulation experiment device has the advantages that remaining oil distribution images can be observed in real time, can be acquired and can be quantitatively analyzed in procedures for alternately displacing the oil by the microorganisms and the air; injection pressures can be measured in real time in the procedures for alternately displacing the oil by the microorganisms and the air; the water content and the oil production of microorganism and air alternative displacement can be metered and analyzed; pore throat characteristics of real oil reservoir rock can be reflected by the designed microscopic visualization transparent quartz sand model, and the model is filled with transparent quartz sand, is convenient to clean and can be refilled with transparent quartz sand to be used.
Owner:BINZHOU UNIV

Intelligent water cup realizing water drinking amount sensing function and detecting method for water drinking amount based on intelligent water cup

InactiveCN110680150AAchieve meteringAccurate identification and judgmentDrinking vesselsSmart waterEnvironmental engineering
The invention discloses an intelligent water cup realizing a water drinking amount sensing function and a detecting method for the water drinking amount based on the intelligent water cup. The intelligent water cup comprises a cup body, an upper cover body, a lower cover body and an inner cover body, wherein the lower cover body is connected to the opening position of the cup body, and the inner cover body is arranged between the opening of the cup body and the lower cover body; a water drinking hole communicating with the cup body is formed in the inner cover body, a master control PCB and alithium battery are arranged in a sealed accommodating cavity formed between the lower cover body and the inner cover body, and a silicone water drinking spout is arranged corresponding to the water drinking hole; and the inner cover body is provided with a flow inducing sensor corresponding to the water drinking hole, a water drinking inducing sensor is arranged between the silicone water drinking spout and the water drinking hole, the flow inducing sensor and the water drinking inducing sensor are electrically connected with the master control PCB, a movement recognizing device is further integrated on the master control PCB, and the master control PCB comprises a gravity sensor, a feature extracting unit and a water drinking recognizing unit. According to the technical scheme, the accurate recognizing and judgment for the water drinking amount of a user are realized, and then analysis data with a reference value is provided for the health management of the user.
Owner:汉华数字饮水器具科技(深圳)有限公司

Feed line terminal metering method capable of filtering rest direct current components in alternating current samples

The invention discloses a feed line terminal metering method capable of filtering rest direct current components in alternating current samples. The method comprises following steps of step 1, establishing a direct current filter difference equation; step 2, according to filter principles and the difference equation, deriving a filtering algorithm; step 3, by using a single chip microcomputer to carry out digitalization processing, and according to sampling principles, carrying out sampling at equal intervals on to-be-acquired alternating current simulation quantities so as to acquire a discrete signal sequence; and step 4, deploying an alternating current sampling and signal processing and filtering algorithm in AD interruption of the single chip microcomputer, wherein when the acquired data quantity is accumulated to a certain quantity, a program front end can carry out periodical task or second task calculation according to the accumulated buffering data, and calculates effective values of voltage and current, power grid frequency, power parameters and related electrical parameters. Before measurement, rest direct current filtering is performed on each phase of voltage and current obtained through alternating current acquisition, so effects on measurement imposed by direct current components are eliminated, so AD interruption metering is achieved.
Owner:QINGDAO TOPSCOMM COMM

Electrically-driven symmetric plunger gas micro flow standard device

The invention discloses an electrically-driven symmetric plunger gas micro flow standard device. A right cylinder is fixed between a right support and a transmission end plate; a left cylinder is fixed between a transmission support and a buffer jar; a plunger, a left cylinder and a right cylinder are horizontally and coaxially installed; the right cylinder is communicated with the left cylinder through a two-way flow indicator; a ball screw is installed between the transmission end plate and the transmission support; the plunger is connected with a T-type connecting block; the shoulder of the T-type connecting block is matched with straight-line guide rails on top surfaces of two sides of the transmission support; the lower portion of the T-type connecting block is fixedly connected with a lead screw nut; a stepping motor with an encoder is connected with the right end of the ball screw through a reduction gear and a diaphragm coupling; a temperature transmitter is installed on the top side of the buffer jar, an inlet of a flow meter to be detected is communicated with the buffer jar; a flow controller is installed on an outlet of the flow meter to be detected. Because when the plunger moves, the volume variable quantity inside the left cylinder and the variable quantity inside the right cylinder are completely complementary and symmetrical, when detection and verification are conducted, the fluctuation of the temperature and the pressure of gas in the cylinder bodies is reduced, measuring of micro flow is achieved, and meanwhile high-pressure measuring can also be achieved.
Owner:ZHEJIANG MEASUREMENT SCI RES INST

Method and device for measuring oil content of oil well produced liquid

The invention relates to a method and a device for measuring oil content of oil well produced liquid. The device comprises a vertical separation tank. An oil well produced liquid input pipeline, a liquid output pipeline and a gas output pipeline are arranged on the separation tank and are respectively arranged at the upper part, the lower part and the top part of the separation tank. A liquid inlet valve, a liquid discharge valve and a gas discharge valve are respectively arranged on the oil well produced liquid input pipeline, the liquid output pipeline and the gas output pipeline and are respectively used for controlling the input of the oil well produced liquid and the output of liquid and gas. A liquid level indicator is additionally arranged on the separation tank and is used for measuring the level of liquid in the separation tank. A plurality of oil and water component measuring instrument probes are additionally arranged on the separation tank and can be used for sequentially measuring the oil content of horizontal liquid level layers where the probes are arranged. The simple measuring separation tank is used for realizing the measurement of the oil well produced liquid, the measurement of net production of crude oil is realized at the same time and the actual demand of oilfield production is met.
Owner:WEIHAI HAIHER TECH

Crude-oil automatic continuous measuring device

InactiveCN101787877ATruly reflect the actual outputThe principle of measurement is simple and clearSurveyNitrogenEngineering
The invention discloses a crude-oil automatic continuous measuring device, comprising a separator, an electric T-shaped valve, a remote level gauge, a safety valve, a pressure sensor, a temperature sensor, a control circuit and an intelligent control cabinet. The invention is characterized in that the separator body is shaped like a vertical cylinder, the upper and lower ends of the separator body are welded with seal heads, and a separating plate is welded vertically from the middle part of the lower seal head to the lower end of the lower seal head to divide the separator body symmetrically to form two separating cavities; the situation of fluid collecting and fluid discharging is detected by the remote level gauge, the pressure sensor, and the temperature sensor, through controlling by the control circuit in the control cabinet, through filling nitrogen into the separator body, the continuous or discontinuous measuring for crude oil in oil well with high / low oil gas ratio is realized.
Owner:付伟
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