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97results about How to "Suitable working environment" patented technology

Intelligent vehicle carrier and control system and control method thereof

InactiveCN101655708AMotion control precision and high response speedClear system architectureTotal factory controlProgramme total factory controlPower componentMovement control
The invention relates to an intelligent vehicle carrier and a control system and a control method thereof. The intelligent vehicle carrier comprises a travel driving motor, a knockout plate driving motor and a holding arm driving motor, which are all servo motors. The control system comprises a motion controller as the core cell and a plurality of peripheral modules which are connected with the motion controller so that the motion controller can carry out data exchange with the outside. The motion controller comprises a DSP module which is mainly in charge of logical flows and a logical operation module which carries out concrete logic implementation and logical output. The DSP module is connected with the logical operation module. Relative to the prior art, the invention has the followingbeneficial effects: as the servo motors are adopted as power components, the overall height of the intelligent vehicle carrier can be lower, and the motion control precision and response speed are higher; the control system has clear architecture and higher reliability, stability and working efficiency.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL

Noble dangerous goods monitoring system

The invention provides a valuable and dangerous goods supervising system, which consists of a system server, a supervising terminal and a monitor. The supervising terminal comprises an outer safe and an inner safe. The panel of the outer safe is provided with a far infrared sensor managing personnel IC card reader, a video camera, the inner safe inside, an anti-theft pallet, a pressure sensor, a vibration sensor, an alarm device, a fog dyeing ejector and an uninterrupted power supply. The inner safe is arranged on the anti-theft pallet at the bottom of the outer safe, the pressure sensor and the vibration sensor are arranged at the bottom surface of the pallet, the managing personnel IC card reader is arranged on the inner wall of the outer safe, and the fog dyeing ejector and the uninterrupted power supply are arranged in the outer safe. The supervising terminal is connected with the system server, the monitor and the alarm device through data bus.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD

Load port apparatus

To prevent an inert gas from stagnating in an internal space of a mount base of a load port apparatus, the load port apparatus includes: an outside air supply device for introducing an air from an external space, in which an operator works, into the internal space of the mount base; a casing surrounding a space in which a drive mechanism for a door is arranged; and a duct through which a gas inside the internal space of the casing is dischargeable.
Owner:TDK CORPARATION

Closed circulating heating thermal phosphorization device and phosphorization method

InactiveCN101696497ASolve temperature problemsSolve the technical problem of uneven spraying of liquid medicineMetallic material coating processesClose contactPetroleum engineering
The invention discloses a closed circulating heating thermal phosphorization device and a phosphorization method, relating to the technical field of drilling tool thread phosphorization. The device comprises a fluid heater, a phosphorization pool, a heating controller, a spray head, a circulation pipeline, a rubber check ring and a rubber stopper, wherein the fluid heater and the phosphorization pool are connected through the circulation pipeline; the spray head is fixed above the phosphorization pool; a water outlet of the circulation pipeline is connected with the spray head; a drilling rod is supported by a pipe rack and arranged above the phosphorization pool; the rubber stopper is arranged in a water hole of the drilling rod; the rubber check ring is sleeved on a drilling rod joint, and the inner wall of the rubber check ring is in close contact with the outer wall of the spray head; threads extend into a cavity formed by the spray head and the rubber check ring; and the heating controller is connected with the fluid heater. The invention can control the temperature, the pressure and the flow to carry out semi-soaking type phosphorization on the threads so as to solve the technical problems of difficult temperature constancy and non-uniform medicine liquid spraying in thermal phosphorization.
Owner:CHINA NAT PETROLEUM CORP CHUANQING DRILLING ENG CO LTD

Detonation engine

The invention discloses a detonation engine which comprises a housing and a power output device, wherein two rotating discs are arranged in the housing coaxially; a fluid cavity is arranged on one side, departing from the other rotating disc, of each rotating disc; fluid holes communicated with the fluid cavities are formed in the housing; radial outside walls of the rotating discs and an inside wall of the housing form an annular channel; a movable stopper capable of sliding along the annular channel is arranged on the outside wall of each rotating disc; the movable stoppers are matched with the annular channel in a movable sealing manner, and separate the annular channel into a high-pressure cavity and a low-pressure cavity; switch through holes penetrating the movable stoppers are formed in the movable stoppers; the rotating discs are internally provided with fluid channels communicating the switch through holes with the fluid cavities of the rotating discs; and the switch through holes are internally provided with switch devices for communicating the fluid channels with the high-pressure cavity or with the low-pressure cavity. The detonation engine is great in output torque force, stable in performance, long in service life and small in size, and is suitable for more working environments; and since the structure is simplified, the detonation engine is simpler in structure.
Owner:谷利伟

Load port apparatus

To prevent an inert gas from stagnating in an internal space of a mount base of a load port apparatus, the load port apparatus includes: an outside air supply device for introducing an air from an external space, in which an operator works, into the internal space of the mount base; a casing surrounding a space in which a drive mechanism for a door is arranged; and a duct through which a gas inside the internal space of the casing is dischargeable.
Owner:TDK CORPARATION

Contrarotating rotary spraying engine

The invention provides a contra-rotating rotary-jetting engine which can remarkably raise heat efficiency and reduce pollutant emission, manufacturing cost as well as maintenance cost. The engine works by utilizing a principle that a rotary jet turbine of the engine ejects fuel gas at high speed from a tangential spout to allow the self of the rotary jet turbine to rotate reversely so as to convert fuel gas internal energy into mechanical energy; meanwhile, the engine also utilizes a tangential impact turbine to recycle the kinetic energy of the fuel gas ejected from the rotary jet turbine, utilizes a heat regenerator to realize regenerative cycle, adopts a contra-rotating axial flow and contra-rotating centrifugal pressure gas technique to obtain high total pressure ratio, adopts a rotary flame tube technique to obtain high fuel gas temperature in front of the turbine, adopts the novel structural design to greatly reduce the number of components and the consumption of precious materials, and adopts a power confluence mechanism of a cone gear and an overrunning clutch to realize the power confluent output of the mechanical energy of the rotary jet turbine and the tangential impact turbine. Therefore, the engine has high energy conversion efficiency, low manufacturing cost and pollutant emission.
Owner:蔡盛龙

Kitchen waste three-grade separation pretreatment process

The invention discloses a kitchen waste three-grade separation pretreatment process. Kitchen waste is poured in a receiving device to primarily realize solid-liquid separation; recoverable impurities and flexible impurities which cannot be recovered but generate adverse effects on subsequent processes are manually separated; magnetic substances in the kitchen waste are separated out by a magnetic force effect; magnetically separated materials are conveyed to a primary crusher by a first-grade spiral; the kitchen waste is crushed below a fixed size by a shearing crusher; crushed materials are conveyed to a large-substance separator by a second-grade spiral; large substances are separated by a steam flushing heating mode; large impurities are separated out, and are conveyed to the external through a spiral for landfilling or incineration; materials not reserved on a separator screen are conveyed to a separation pulping machine by a third-grade spiral; and the kitchen waste is crushed to prepare pulp below 10 mm by separation pulping. The pulp obtained by treatment through the pretreatment process has the characteristics of few impurities, low loss rate of the organic matters and small solid particles.
Owner:敖建瑜

Modular mobile solar power generation device and application method thereof

The invention relates to a modular mobile solar power generation device. The modular mobile solar power generation device takes a container box adapted for vehicle transportation as a frame. Both sidebox plates and a top upper support frame are of a split structure, and a photovoltaic plate is installed, and can be turned to an angle suitable for collecting sunlight. The bottom frame of the box is provided with multi-layered built-in photovoltaic modules, and the multi-layered built-in photovoltaic modules can be sequentially extended to the outside and turned to an angle suitable for solar illumination to absorb solar energy. The interior of the box is provided with a photovoltaic control part which is used for controlling the operation of each photovoltaic plate. Meanwhile, an energy storage battery pack is arranged in the box, and the device can store energy and electricity for external power supply. The device can increase the absorption of solar energy, increase the output of electric energy, realize the mobilization of the device, and meet the power demands in remote areas, various temporary camps, temporary office, production and living places in China, and also solve the practical problem of shortage of electricity and energy in energy-poor, power-underdeveloped countries or regions.
Owner:SHANGHAI INST OF TECH

Special type WRe temperature sensor

A special WRe temperature sensor apply to temperature measuring region, composed by junction box, gripping tube, plumbago outer protecting tube, corundum inner tube, corundum insulating tube, antioxidant, hydride function stuff, stuffing, and tungsten- rhenium thermocouple. The structure: outer layer is special plumbago protecting tube; inner layer is alundum tube multiunit tube type oxidation protection WRe thermocouple. The invention can take temperature measurement under below 1600 degree, alcali molten erode and reducing atmosphere. fill antioxidant, hydride function stuff, stuffing into around of tungsten- rhenium thermocouple wire in corundum insulating tube inside of alundum tube inside; adopt stuffing at high temperatures release hydrogen gas on tungsten- rhenium thermocouple wire surface and powder particle interstice, and adopt organic- inorganic binder pressurize exactly, isolate contact between environment and tube insides, thereby to make thermometric condition for tungsten- rhenium thermocouple working.
Owner:沈阳东大传感技术有限公司

Micro sand table demonstrating system and method

The invention discloses a micro sand table demonstrating system and method. The system comprises a demonstrating sand table, a micro traffic environment information collecting and executing system, a micro traffic resource management system and a touch screen control panel. The micro sand table demonstrating system has the advantages that the problem that some current micro traffic sand table demonstrating systems are complex in management and operation, the reliability of the whole demonstrating system is increased evidently, and the labor intensity of operation staff and the maintenance cost of the whole demonstrating system are lowered at the same time.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Wheel type double-arm indoor transport robot

The invention discloses a wheel type double-arm indoor transport robot. The wheel type double-arm indoor transport robot comprises a head mechanism, a mechanical arm mechanism, a machine body mechanism and a base plate mechanism. The head mechanism can complete nod and head-shaking actions, the arrangement of freedom degree of the head mechanism enables the view of a binocular camera to be wider,and the robot is enabled to operate more stably; the mechanical arm mechanism is a six-axis mechanical arm, the flexibility and motion precision are higher, and the mechanical arm mechanism is suitable for the indoor complex working environment; the intelligence and automation degree of the wheel type double-arm indoor transport robot is improved through sensing and controlling assemblies carriedon the machine body mechanism; the human-machine interactivity is enhanced by being matched with an integral structural layout and the shape design of robot personification with a touch control paneland a sound pickup; and the base plate mechanism is a two driving wheel and two universal wheel type wheel type moving system, a damping device is matched with, and the base plate mechanism has unevenground environmental adaptive capability and certain self obstacle crossing capacity.
Owner:华南智能机器人创新研究院

Hardness detecting device of spanner for hardware

The invention relates to a detecting device, in particular to a hardness detecting device of a spanner for hardware and aims to provide the time-saving and labor-saving hardness detecting device of the spanner for hardware. To achieve the objectives, the hardness detecting device of the spanner for hardware comprises a top plate, a first pull rope, a first fixed pulley, a fixing plate, a support rod, a second fixed pulley, a support, a sliding rail, a sliding block, a reel, a first bearing block, a first rotating shaft, a first gear, a first rack, a second rack, a swing rod, a thumb cylinder, a second gear, a first rotating motor, a swing plate, a first through tube, a second through tube, a support rod and the like, wherein the support rod, a first conveying device and a second conveying device are arranged on the ground from left to right sequentially. The detecting device realizes effects of being time-saving and labor-saving during detection, easy to operate, long in service life and high in stability and safety.
Owner:周丐社

Operation record controller for black box of electrical equipment

The invention discloses an operation record controller for a black box of electrical equipment, and the controller comprises a structure and a circuit. The structure comprises a recorder case, a circuit board in the recorder case, and an input / output interface of a circuit board module. The controller has the following advantages that 1, the controller supports the serial port and network communication, and is suitable for various types of working environments; 2, the controller supports a micro SD storage card with the capacity of 128G or greater, and the SD card can achieve hot swapping, i.e., plug and use; 3, the controller employs two SD cards to storage data, and automatically synchronizes the data of the SD cards; 4, input, output and communication are completely isolated and connected, thereby effectively protecting the safety of the equipment; 5, digital signal and analog signal ground lines are separated, thereby preventing a digital value and an analog value to interfere with each other; 6, a low-pass filter is employed for analog collection input, thereby improving the performance of interference resistance, and improving the collection precision; 7, the controller can be flexibly switched between an automatic control mode and a manual control mode; 8, the controller can set automatic inspection and automatic alarm.
Owner:广东宏大欣电子科技有限公司

Overturning device for full-automatic high-speed circular sawing machine

The invention relates to an overturning device for a full-automatic high-speed circular sawing machine. The overturning device comprises a storing mechanism, feeding mechanisms and an overturning mechanism; the feeding mechanisms are used for feeding bars stored on the storing mechanism on the overturning mechanism; the bars are overturned on rollers by the overturning mechanism; the storing mechanism comprises a storing rack and storing rails; the overturning mechanism comprises an overturning rack, overturning rails and an overturning component; the two feeding mechanisms are symmetrically mounted on a discharging side of the storing rack; and each feeding mechanism comprises a feeding sliding plate, a sliding block, a sliding rail and a feeding cylinder. The overturning device has the advantages that manual feeding is not needed, so that the labor intensity of an operator is reduced; only one bar is fed at one time, so that the feeding reliability is improved, and the normal operation of the overturning device is ensured; and the whole process is performed under a stable state, the positions of a baffle plate and an adjusting block can be adjusted according to the diameter sizesof the bars, the overturning device is applied to transporting of various different specifications of bars, and meanwhile, an appropriate working environment is created for the operator.
Owner:PUTIAN HENGDA MACHINERY & ELECTRICITY IND

Instrument for intelligently and quickly detecting flammable and combustible dangerous goods for vehicle and using method

The invention discloses an instrument for intelligently and quickly detecting flammable and combustible dangerous goods for a vehicle and a using method, and belongs to the technical field of detection instruments. The instrument comprises a shell and a mounting plate. The mounting plate is integrally formed at the tail end of the shell. A temperature sensor, a humidity sensor, an active air suction device, a pyroelectric infrared sensor and an infrared sensor are sequentially installed at the top end of the shell from right to left. The active air suction device comprises a flammable and combustible gas sensor, an air suction fan and an air suction pipe. A display screen and an audible and visual alarm are embedded in the surface of the shell, and a CPU chip and a circuit board are installed in the shell. Compared with an existing detection method, the detection method is mature, the measurement sensitivity is improved, the pyroelectric infrared sensor is used for judging whether instrument alarm shielding is needed or not, invalid alarm is avoided, the infrared sensor is used for sensing obstacles, the measurement sensitivity when the instrument is shielded is improved, the air duct design is optimized, and the measurement sensitivity, rapidness and accuracy are considered.
Owner:FUJIAN MEIYING AUTOMATION TECH

Air conditioner, heat dissipation system and control method and device of air conditioner

InactiveCN106482220ASuitable working environmentSolve technical problems that cannot meet the needs of computer hostsDucting arrangementsMechanical apparatusEngineeringExhaust pipe
The invention discloses an air conditioner, a heat dissipation system and a control method and a device of the air conditioner. The air conditioner comprises a shell, a first exhaust port positioned on the shell for exhausting, a second exhaust port positioned on the shell for connecting with an exhaust pipe, at least one fan, and a controller for controlling the at least one fan to exhaust to the first exhaust port and / or the second exhaust port. The air conditioner solves the technical problem that a heat dissipation system of a computer host machine in the prior art cannot satisfy demands of the computer host machine.
Owner:GREE ELECTRIC APPLIANCES INC

Numerical control double-station polishing machine

The invention discloses a numerical control double-station polishing machine and relates to the field of polishing equipment. Two position adjusting mechanisms are arranged on a supporting frame in amachine box and connected with a polishing machine head; a polishing mechanism is arranged on the polishing machine head; a protection device is connected to the lower end of the polishing machine head; a wax adding device is arranged at the upper end of the protection device; a workbench is arranged below the supporting frame; a rotary disc and a disc driving mechanism are arranged on the workbench; three workpiece stations are arranged on the rotary disc; a jig mounting table and a workpiece rotating mechanism are arranged on each workpiece station; trimming knife devices are arranged on thetwo sides of the rotary disc; a water curtain fixing frame is arranged on the sides, away from the rotary disc, of the trimming knife devices; a water curtain mechanism is arranged on the water curtain fixing frames; the water curtain mechanism is connected with a water circulation device; the machine box is provided with an automatic lifting door and a side door; and an automatic lifting curtainis arranged between the side door and the water curtain fixing frame. Dust generated by polishing is captured by the water curtain mechanism and is filtered and recycled by the water circulation device, so that a production environment is clean and orderly, and a proper working environment is created.
Owner:东莞市尚弘博实业有限公司

Sun-shading plate compactor

The invention discloses a sun-shading plate compactor. The sun-shading plate compactor comprises a pressing plate, a box (2) mounted on the upper end of the pressing plate, a driving mechanism and a handle, wherein the driving mechanism and the handle are both mounted on the top of the box; a vibrator (5) is arranged on the upper end face of the pressing plate and is driven to work by the driving mechanism; the sun-shading plate compactor further comprises a dust collection device which comprises a circle of pipeline mounted along the circumferential wall of the box, and a dust collector and a dust box both arranged on the upper end of the box body; dust collection holes are evenly formed in the lower wall of the pipeline; a sunshade is arranged on the upper end of the box. The sun-shading plate compactor has the beneficial effects that as the dust collection device is arranged on the sun-shading plate compactor and the dust collection holes surround the box to form a circle, and when dust flies, the dust is collected so that dust can be prevented from harming the health of working personnel, and the sunshade is arranged to create a comfortable working environment for the operating personnel and machines.
Owner:CHENGDU LAIBAO PETROLEUM EQUIP

System for Recognizing Abnormal Activity of Human Body Using Wearable Electronic Device and Mixed Reality Technology

Disclosures of the present invention describe a system for recognizing abnormal activity of human body using wearable electronic device and mixed reality technology, comprising: a first wearable electronic device, a plurality of second wearable electronic devices, at least one camera, and a judgement module. This novel system is suitable for applying in any kinds of work environment, so as to monitor and determine whether a user (i.e., an operator or an employee) exhibits abnormal activities by referring a document of standard operating procedures (SOP), an operating manual and a document of safety operation standard (SOS), such that it is facilitated to reduce a happening rate of the user's mishandling, thereby achieving the enhancement of work efficiency and productivity.
Owner:WE JUMP INTELLIGENT PERCEPTION CO LTD

Piston cylinder assembly

The invention belongs to the field of mining machines, and in particular relates to a piston cylinder assembly for a mining tunnel drilling machine. The piston cylinder assembly comprises more than three piston cylinder units, wherein piston cylinders are combined reversely, and cylinder bodies of the piston cylinders are fixedly connected with one another. Push forces or pull forces formed by the reversely arranged piston cylinder units are symmetrically arranged, so that the piston cylinder assembly applies forces uniformly, is operated stably, and can ensure the normal and stable operation of the drilling machine.
Owner:HEFEI AEROSPACE HYDRAULIC MACHINERY

Multi-functional cabinet for operating room

The invention discloses a multi-functional cabinet for an operating room, comprising an office cabinet, a clothes and shoes recovery cabinet and a disinfected slippers storage cabinet which are arranged in sequence; the top surface of the clothes and shoes recovery cabinet is provided with a circular recovery hole; one side of the clothes and shoes recovery cabinet is provided with a rear door a; one side which is opposite to the rear door a is provided with a drawer-type division board; the circular recovery hole is communicated with the inside of the clothes and shoes recovery cabinet through the drawing and the pulling of the drawer-type division board; a recovery and storage barrel is arranged in the clothes and shoes recovery cabinet; the recovery and storage barrel is arranged below the drawer-type division board; one side of the disinfected slippers storage cabinet is provided with a rear door b; and one side which is opposite to the rear door b is provided with a drawer b. According to the multi-functional cabinet for the operating room, the office cabinet, the clothes and shoes recovery cabinet and the disinfected slippers storage cabinet are combined in one place of the operating room, so that not only are various articles managed integrally, is the use convenient, are better psychological impact and suggestion given to a worker by humanized settings and are the working enthusiasm and the efficiency improved, but also a combined cabinet divides one place of the operating room, so that management after use is realized, the pollution of the operating room is reduced, and the use is convenient and in order.
Owner:THE FIRST AFFILIATED HOSPITAL OF HENAN UNIV OF SCI & TECH

Mine lot solid waste screening device

A mine lot solid waste screening device comprises a screening box (1), a rotary shaft (2), a base (3) and a movable screening door (4). A fixing groove is formed in the center of the upper end of the base, the rotary shaft is placed in the fixing groove to roll, and the screening box is placed on the rotary shaft. Substance inductors (5) are arranged on the inner wall of an opening in the upper end of the screening box. A hole is formed in the bottom of the screening box and a drawer (6) is formed under the bottom of the screening box. Handles I (11) are symmetrically arranged on the two sides of the screening box. The movable screening door is installed on the opening in the upper end of the screening box. An electromagnet (8) is arranged in the movable screening door and screening nets (9) are arranged under the electromagnet. The screening nets are installed in the screening box through fixing supports (10). The substance inductors are arranged on the mine lot solid waste screening device, if a specific substance is induced, an operator disposes impurities, and therefore the required substance can be separated out quickly. In addition, the mine lot solid waste screening device is simple in structure and operation, low in manufacturing cost and capable of screening out solid waste of different particle sizes.
Owner:JIANGSU EFFORT TECH & DEV

Hoisting, splicing and centering device and centering method for pile foundation reinforcement cage orifices

A pile foundation reinforcement cage orifice hoisting, splicing and centering device comprises a centering framework, an upper centering ring and a lower centering ring, the centering framework comprises an upper centering framework body, a lower centering framework body, a centering sign post and framework connecting rods, and the upper centering framework body and the lower centering framework body are fixedly connected through at least one framework connecting rod; the centering sign post is vertically connected with the outer side faces of the upper centering framework and the lower centering framework, the upper centering ring is spliced with the upper end face of the upper centering framework, and the lower centering ring is spliced with the lower centering framework. The centering device is simple in structure and convenient to operate. Rough centering is firstly carried out in a mode of combining the centering upper ring and the centering marking rod, and a more suitable working environment is created for subsequent fine centering; the second centering clamping block and the third centering clamping block which are adjustable in position enable the fine centering effect to be better; according to the centering device, the process from rough centering to fine centering of the pile foundation reinforcement cage is completed through the same tool, and the construction efficiency of workers is effectively improved.
Owner:HEBEI CONSTR GRP CO LTD

Labyrinth groove type cooling heat field outer cover

The invention discloses a labyrinth groove type cooling heat field outer cover. The cover comprises a water inlet connector, a barrel body water return connector, a disc part water return connector, aflange plate, a cover plate, an inner container and a sleeve, wherein the water inlet connector is arranged at a water inlet in the flange plate, the barrel body water return connector and the disc part water return connector are arranged in two water outlets in the flange plate correspondingly, the cover plate is welded on a C-shaped groove at the lower part of the flange plate, the inner container is connected with the flange plate, the end part sof the inner container is welded into an inner hole of the flange plate, the sleeve is arranged outside the inner container, the upper end of thesleeve is welded on the flange plate, the lower end of the sleeve is welded on the lower end of the inner container, a circuitous zigzag channel is formed in the thin wall of the outer cover, a low-temperature water source and a temperature difference can be fully utilized, the cooling effect is enhanced, the service life of equipment is prolonged, and a proper working environment is also createdfor workers. Compared with a traditional cooling system, the thin-wall labyrinth groove type cooling heat field outer cover has the advantages that the cooling effect is better, and the performance ofisolating heat radiation is stronger.
Owner:ZHEJIANG UNIV

An air-cooled device for a transformer

The invention discloses an air cooling device of a transformer, belonging to the technical field of transformer cooling equipment. Includes a cooling fan driven by a motor and an automatic control system for controlling the motor; The automatic control system comprises a temperature sensor Z for measuring the temperature of the transformer, a single-chip microcomputer U1 connected with the temperature sensor Z and a solid-state relay R for controlling the triggering state by the single-chip microcomputer U1. The automatic control system comprises a temperature sensor Z for measuring the temperature of the transformer, a single-chip microcomputer U1 connected with the temperature sensor Z and a solid-state relay R. The motor is connected to a three-phase power supply through a solid state relay R. A solid state relay is used to control the on-off between the cooling fan and the three-phase power supply, and the SCM and temperature sensor are used to control the triggering state of the solid state relay, The setting improves the measurement accuracy of the temperature of the transformer and can adjust the cooling fan according to the real-time temperature of the transformer, which can not only ensure the cooling effect of the transformer but also prevent the waste of energy and the reduction of the life of the cooling fan caused by the fact that the cooling fan is always in a start-up state.
Owner:STATE GRID CORP OF CHINA +1

Permanent inactivation of nucleases

The present invention relates to the use of reagent for permanently inactivating nucleases wherein the reagent comprises an oxidizing agent, a protein denaturant and optionally a pH adjustor and to a method for permanently inactivating nucleases using said reagent.
Owner:QIAGEN GMBH

Water pump based on carbon graphite bearing and ceramic bearing

The invention discloses a water pump based on a carbon graphite bearing and a ceramic bearing. The water pump comprises a bottom plate, a pump shell is mounted on the upper end face of the bottom plate, a pump cavity is formed in the middle of the pump shell, a mounting cavity is formed at the right side of the pump shell, and a water inlet cylinder communicating with the interior of the pump cavity is connected to the side, away from the mounting cavity, of the pump shell; and a water filtering assembly used for filtering water entering the pump cavity is installed on the water inlet cylinder. An anti-blocking assembly is further arranged on the water inlet cylinder and used for preventing the water filtering assembly from being blocked. The carbon graphite bearing and the ceramic bearing are adopted as stress parts, the characteristic of a small friction coefficient is achieved, the frictional resistance moment is reduced, and the overall operation efficiency of the water pump is improved. Meanwhile, the carbon-graphite bearing and the ceramic bearing are suitable for running in a water lubrication state, grease is not needed for lubrication, grease leakage is avoided from polluting the environment, and the device is suitable for the working environment of the water pump.
Owner:GUANGDONG HUANAN PUMPS CO LTD

Charge pump circuit and phase-locked loop

A charge pump circuit and phase-locked loop include start, bias, current mirror, charging and discharging feedback control, and charging and discharging matching modules, which are electrically connected in sequence. The start module starts the bias module. The bias module generates constant bias current and outputs same to the current mirror module, which receives and amplifies the bias current for output in two paths. The charging and discharging feedback control module detects the output voltage of a charge pump and controls, according to feedback of the output voltage, the current in the charging and discharging matching module, to suppress the mismatch between charging and discharging currents. The charging and discharging matching module receives an external charging or discharging control signal, to charge or discharge the output load of the charge pump. Charging and discharging currents can be matched within a wide output voltage range, without an operational amplifier.
Owner:CHINA COMM MICROELECTRONICS TECH CO LTD +1
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