107results about How to "Will not fail" patented technology

The invention discloses a calculation method of the health degree of a metering device, which has the advantages of being high in efficiency and comprehensive and accurate in a calculation result. The method collects the basic information data and the field operation data of the metering device, classifies the collected data and calculates the operation state value, the configuration way value and the operation working condition value of the metering device, and finally calculates the health degree of the whole metering device. The health degree of the metering device is obtained through the analysis and the calculation of the data, no people are required to carry out field inspection, so that accuracy is good, and efficiency is high. The health degree finally obtained through the calculation of the calculation method is accurate, comprehensive, and high in reliability and can accurately reflect the accuracy and the operation state of the metering device, the configuration, which is given on the basis of the health degree, of the metering device is more reasonable, a transformation suggestion is more reliable, and a configuration standard of the metering device more conforms to practical situations. The calculation method is suitable to popularize and apply in the technical field of the state evaluation of gateway metering equipment.

The invention discloses a blood separating gel. The blood separating gel is prepared by uniformly mixing the following components in part by mass: 5-20 parts of SEBS, 20-60 parts of white oil, 15-60 parts of diethylhexyl phthalate, 1-20 parts of hydrophobic nano-silica and 0.5-5 parts of hydrophilic nano-silica, and the density of the separating gel is 1.030-1.075 g / cm<3> at 25 DEG C. The invention also provides a preparation method of the blood separating gel. The separating gel disclosed by the invention is stable, is convenient to use, has favorable thixotropy, is easy in centrifugation and good in separating effect, not only can bear irradiation sterilization of Gamma rays but also is insoluble in blood plasma or blood serum to interfere detection results, and causes less influence to the environment during medical waste incineration. The preparation method provided by the invention is simple, and is short in production period, high in efficiency, mature in process, easy to control and convenient to popularize.

The invention provides an airbag-like grinding head for polishing an extra-large-deviation-degree aspheric surface and relates to the technical field of optical cold machining. The problem that a polishing grinding head existing in the prior art is not matched with the surface of a millimeter-magnitude extra-large-deviation-degree aspheric surface workpiece is solved. The airbag-like grinding head comprises a polishing die, a polishing airbag cap, a special elastic material, an airbag framework, a grinding head base, a height adjusting plate, a height adjusting screw, a fastening bolt and a connecting flange. The polishing die is glued to the surface of a polishing airbag and sealed in a closed structure formed by the polishing airbag cap, the airbag framework and the height adjusting plate. The polishing airbag cap is fixedly connected with a trapezoidal sunken part on the outer wall of the airbag framework through a circle of trapezoidal protrusion on the inner wall. The height adjusting plate adjusts height through a jackscrew. The grinding head base and the airbag framework are connected in a fastened mode through an external thread. The grinding head base and the connecting flange are connected in a fastened mode through the fastening bolt. Through elastic deformation of the special elastic material, the airbag-like grinding head is automatically matched with the aspheric surface, machining precision is improved, and high-precision machining of the surface shape of the aspheric surface is achieved.

The invention discloses a solvent oil-gas recovering device, wherein the oil-gas can be desorbed and recovered under a lower vacuum condition completely. The invention adopts an oil-gas isolation technology of combination of a traditional condenser and a jacket cooling metal wire net membrane filter, thereby realizing composite multistage condensation reclaiming; and meanwhile a heater is arranged outside the lower part of an absorption tank, and the heater is controlled by a micro computer to heat the absorption tank after an adsorbing material is saturated under on-line monitoring, so that the technical problems that a drying vacuum pump has a lower vacuum degree and the absorbing material is desorbed incompletely are solved effectively. The whole set of the device provided by the invention has a high atomization integration level, a saved investment, security and reliability; the recovering effect of the absorbing material is higher than 99%; the oil-gas reclaiming rate is more than 99%; and the gas emission pollutant can reach the national standard completely.

The invention discloses an automatic control method for a transformation process of a supercritical or ultra-supercritical unit from a hygrometric state to a dry state. Currently, the dry-hygrometricstate transformation of a / an (ultra-)supercritical unit mostly adopts a manual operation mode. The technical scheme adopted by the automatic control method is characterized in that firstly a reasonable state transformation node is determined; a theoretical coal feeding amount increment required by a boiler is calculated according to process parameters of stable operation of the unit at a hygrometric state before state transformation; the boiler coal amount is gradually increased according to an optimum coal feeding amount changing rate which is determined through a unit feature test in the state transformation process until the theoretical coal feeding amount increment is reached; and at the initial period of the state transformation, in consideration of the delay feature of the boiler, the water feeding amount at the inlet of a coal economizer is reduced by lowering the water feeding flow, so that the state transformation process is accelerated. By adopting the automatic control method, stable transition of the working conditions in the state transformation process is realized; and the change of the unit parameters is slow, so that abnormal phenomena of equipment failure, overheating of heated surfaces or tripping caused by frequent switching of dry-hygrometric state transformation and acute fluctuation of unit parameters are avoided.

The invention discloses a metering device state inspection method which is high in efficiency and comprehensive and accurate in inspection result. The method collects basic information data of a metering device and collects actual operating data of the metering device in real time, classifies the collected data and calculates an electric energy meter operating state value GS, a current transformer operating state value GC, a voltage transformer operating state value GP and a secondary loop operating state value GD, finally calculates an operating state value G of the whole metering device, and determines an actual operating state corresponding to an actual state value of the metering device through a corresponding relation between preset metering device state values and operating states. The inspection method is high in efficient, a fault of equipment which is in normal operation originally does not occur due to human factors, comprehensive inspection of the state of the metering device can be realized, and an inspection result that is finally obtained is guaranteed to be accurate, comprehensive and highly reliable. The method is suitable for popularization and application in the technical field of gateway metering device state evaluation.

An intelligent management system of a seismographic station relates to an intelligent manager, and aims at solving the problem that a remote monitoring function of the seismographic station is incomplete. The intelligent manager comprises an equipment management system for manage data collected by instruments and equipment of the seismographic station, an intelligent power supply system for supplying power to seismic instruments and equipment, a communication management system for controlling communication between a master control system and a station center, an environment and safety monitoring system for monitoring the environment and safety surrounding the seismic equipment, and the master control system for controlling the equipment management system, the intelligent power supply system, the redundancy communication management system and the environment and safety monitoring system in a coordinated manner according to a control instruction of the station center. The system can detect the surrounding environment of the seismographic station, store the collected data, provide DC and AC output, and provide a redundancy function design of two sets of communication equipment, and the monitoring function is complete.

The invention provides a bobbin case storing mechanism of an automatic bobbin case replacing device, and belongs to the technical field of sewing devices. The problem that replacing of a base line of an existing bobbin case storing mechanism is complex is solved. The bobbin case storing mechanism of the automatic bobbin case replacing device comprises a rotating disc, a rotating shaft and a driving piece. The driving piece is connected with the rotating shaft, a plurality of installing frames are fixedly connected to the rotating disc, and a check ring is arranged between the rotating shaft and the rotating disc and fixedly connected with the rotating shaft. The check ring and the rotating disc are circumferentially fixed. A shaft sleeve penetrates through the middle of the rotating disc and the middle of the check ring. A blind hole is formed in the middle of the top of the rotating shaft. A spring is arranged on a sliding shaft in a sleeving mode, one end of the spring abuts against the shaft sleeve, and the other end of the spring abuts against the sliding shaft. An annular groove is formed in the circumference outer side wall of the sliding shaft, and an installing hole is formed in the bottom of the shaft sleeve. Steel balls are arranged in the installing hole, and the diameter of the steel balls is larger than the wall thickness of the shaft sleeve and the aperture of the outer side wall of the shaft sleeve. The bobbin case storing mechanism has the advantage that a bobbin case and the base line are convenient to replace.

The invention relates to a sensor, in particular to a subcutaneous tissue interventional type needle glucose sensor and its preparation method. The sensor comprises a base, the bottom of the base is provided with a working electrode, a counter electrode and a reference electrode, and the working electrode, the counter electrode and the reference electrode form a split needle three-electrode system. The subcutaneous tissue interventional type needle glucose sensor and its preparation method have the advantages that the structure is compact, operating performance is improved and the service life is prolonged.

The invention discloses an operation control method of a reciprocating compressor. When the motor is overloaded, the operating frequency is increased so that the magnetic flux generated by the magnet and the input current cancels each other, so that the reciprocating compressor can operate under the overload condition. Stable operation. For this, when the reciprocating compressor using the inverter is operated at a rated frequency, the current load of the motor is measured, and the measured load is compared with a predetermined reference load. By comparison, if the measured load is greater than the reference load, it is determined as overload, and the operating frequency is increased to a certain value higher than the oscillation frequency to perform overload operation. In order to compensate for stroke reduction caused by increasing the operating frequency by a certain value, the voltage applied to the motor is increased to a certain level according to the increased operating frequency, thereby performing an overload operation.

The invention discloses an electromagnetic valve for blood purification. The bottom of the inner cavity of a valve body is provided with an annular boss; a seal gasket for sealing the central hole of the annular boss is positioned in the inner cavity of the valve body; the inner cavity of the valve body is provided with an elastic isolating piece, the upper end of the isolating piece is compressed tightly and fixed by a coil body, and the lower end of the isolating piece is fixedly connected with the seal gasket; the lower end of a slide iron core extends into an isolating body and is fixedly connected with the isolating body; and the inner hole at the upper end of the slide iron core is internally provided with a spring, and the upper end of the spring is connected with the coil body in a propping manner. The electromagnetic valve for blood purification provided by the invention has the advantages of good biology performance and high corrosion resistance, and can not rust, can not cause medium pollution, and can not be aged even if liquids with high corrosivity such as a disinfectant, acid liquor and the like are used; and the actions of the slide iron core are flexible and reliable, and the noise of the electromagnetic valve is lower during starting and closing.

An inverter 6 that drives an electric motor 4 of the electric compressor 3 operates in a protection-against-overheat mode, in which the electric motor is driven at a rotational speed for protection against heat different from a rotational speed specifying value from an air conditioning control unit 20 , in order to ensure the flow rate of the refrigerant and cool the inverter itself when the temperature detected by an inverter temperature sensor 22 g exceeds a predetermined value. At this time, if the refrigerant pressure increases or the evaporator discharge temperature falls, the air conditioning control unit stops the protection-against-overheat mode operation of the inverter and directs the inverter to forcedly stop the electric motor. Due to this, an excessive increase in the refrigerant pressure and evaporator freezeing can be prevented, and thus the function of the refrigerating cycle can be protected.

The invention discloses an industrial system for data acquisition and edge calculation, which belongs to the technical field of edge computing, and comprises a data acquisition module connected with industrial equipment, an edge gateway connected with the data acquisition module, an intelligent service platform connected with the edge gateway, and a client interacting with the intelligent platform, the edge gateway is used for acquiring data of the data acquisition module and forwarding the data to the intelligent service platform; the intelligent service platform comprises a user layer, an application layer, a service layer and a data layer, the user layer comprises an administrator and a common user for accessing the intelligent service platform, the application layer comprises system management and equipment management, the system management provides administrator use, the equipment management is used by common users, and provides an application function for the user layer and the service layer is used for providing technical service support for the intelligent service platform. The distributed edge gateways can be conveniently managed through the intelligent service platform, and convenience and quickness are achieved.

The invention discloses a cable shaft and cables applied into the cable shaft. The cable shaft comprises a shaft body. The shaft body comprises a base, two sealed supporting plates and a shaft box. Ashaft cavity is formed in the middle of the shaft box. More than one cable clamp opening is arranged on the two side faces of the shaft cavity. An arc clamping cavity is arranged in each cable clamp opening. An arc limiting opening is arranged at the open end of each clamping cavity. One cable is mounted in each arc clamping cavity and is limited through the corresponding arc limiting opening, andall the cables are perpendicular to the horizontal plane. An open groove is formed in the position, right facing each clamping cavity, of the outer side face of the shaft box. A heat radiation grooveis formed in the bottom face of each open groove. The heat radiation grooves and the open grooves are arranged in a manner of extending in the height direction of the shaft body. After the cables arearranged in the cable shaft, good heat radiation performance can be guaranteed, meanwhile, extremely good smoke diffusion resistance and fireproofness are achieved, and the overall safety of a building can be effectively increased.

The invention discloses an operation condition examination method for a metering device. The method is highly efficient and can provide comprehensive and accurate examination results. The examination method determines a practical operation state corresponding to an practical operation condition value of the metering device through calculating an operation condition value R1 of a current transformer, an operation condition value RU of a voltage transformer, an operation condition value RM of an electric energy meter and finally through calculating an operation condition value R of the whole metering device and according to a corresponding relation between a preset operation condition value and an operation state of the metering device. According to the examination method, the operation state of the metering device is obtained through analysis of data; on-site examination by humans is not needed; the efficiency is high; the examination method takes into consideration of examination of operation conditions of the electric energy meter, the current transformer and the voltage transformer so as to realize comprehensive examination of the operation condition of the metering device and ensure that the finally obtained operation condition examination result is accurate and comprehensive and high in reliability. The operation condition examination method is suitable for being promoted and applied in the technical field of gateway metering equipment state assessment.

The invention provides a microsensor, and in particular relates to a subcutaneous tissue involvement type glucose microsensor and a preparation method thereof. The subcutaneous tissue involvement type glucose microsensor comprises a base, wherein the base is internally provided with a lead part extending outwards, the tail end of the lead part is connected with a sensor part, and the sensor part and the lead part are arranged on an insulation substrate layer. The subcutaneous tissue involvement type glucose microsensor and the preparation method have the advantages that the structure is compact, the operation performance is improved, and the service life is prolonged.

The invention discloses a continuous overturning mechanism and method for a smart card. The mechanism comprises a power mechanism, a first card overturning unit and a second card overturning unit, wherein the first card overturning unit and the second card overturning unit are sequentially arranged in the card conveying direction; the first card overturning unit comprises a horizontal roller set, a vertical roller set and a conveyor belt; the horizontal roller set comprises an upper horizontal roller and a lower horizontal roller; the vertical roller set comprises a front vertical roller and a rear vertical roller; the conveyor belt comprises an upper conveyor belt and a lower conveyor belt; the second card overturning unit comprises the same component as the first card overturning unit; the horizontal roller set and the vertical roller set of the second card overturning unit are respectively arranged by a mirror manner relative to the horizontal roller set and the vertical roller set of the first card overturning unit. When in working, the cards can be continuously overturned without stopping the mechanism, so that the cards can be quickly overturned, and the production efficiency is high.

The invention discloses a hinge type stator structure, and relates to the field of motors. At present, a circle forming method of a motor stator structure generally adopts welding, and the cost is high, and a welding process generates large amount of heat, which affects insulation performance of the motor. The hinge type stator comprises a stator core and a stator coil. The stator core is formed by assembling a plurality of stator core blocks with grooves and flanges on two ends through the grooves and the flanges in sequence. Each stator core block is formed by stator teeth, a stator yoke anda pole shoe. A gap between two adjacent stator core blocks forms a stator slot, and the stator coil is wound around the stator teeth through the stator slot. The stator core blocks on the head and the tail, which are wounded with the stator coils, are embedded with each other through the grooves and the flanges to form the hinge type stator. The circle forming method of the technical scheme is very simple, and the stator core has high torsional strength after being rounded, and inner and outer roundness of the stator core is good, and a conventional welding process is not required. The methodreduces manufacturing cost, and effectively improves comprehensive performance of the motor.

The invention relates to a method for selecting idle storage spaces in an intelligent storage cabinet. The method comprises the following steps: obtaining door lock opening and closing data of all thestorage spaces in the intelligent storage cabinet; selecting current door lock opening and closing data of the current idle storage space one by one, and calculating a door lock health state value ofthe current idle storage space, wherein the larger the door lock health state value is, the more the door lock operation is, and the closer the door lock operation is to the state needing maintenance; and forming a queue by the obtained idle storage spaces according to the corresponding door lock health state values from small to large, and selecting the idle storage spaces from front to back according to the sequence of the queue when the idle storage spaces are allocated this time or next time. The invention also relates to a device for realizing the method. The method and device for selecting the idle storage space in the intelligent storage cabinet have the advantages of being easy to maintain and low in cost.

The invention discloses magnetic powder flaw detection equipment for the Internet of Things. The magnetic powder flaw detection equipment comprises a flaw detection main body part and a remote controlpart, the flaw detection main body part comprises a magnetization current setting circuit, a magnetization control circuit and a main body end remote communication module; the remote control part comprises a fourth MCU, a control end remote communication module and an input / output module, the fourth MCU is provided with two serial ports, one serial port is connected with the control end remote communication module, and the other serial port is connected with the input / output module. The magnetic powder flaw detection equipment disclosed by the invention realizes remote operation on the flaw detection equipment, and avoids health hazards possibly brought to an operator by manual close-range operation; in addition, the magnetizing current accuracy of the flaw detection equipment is improved, the time for magnetizing current to reach set current is shortened, and the influence of magnetization of the flaw detection equipment on other equipment or damage to workpieces is avoided.

The invention discloses a method for solving damage of a metal oxide semiconductor (MOS) caused by a highly rapid load change of a voltage regulator (VR). The method is achieved according to the following steps that in a power supply conversion chip of a server mainboard, mistaken receiving of a feedback signal by the chip is prevented by reducing the internal coupling interference of the power supply conversion chip when the load change rate is too fast, an internal logical error is further prevented from occurring, the MOS is ensured to normally work during the conversion process, and an output voltage is in a normal application range. Compared with the prior art, the method for solving the damage of the MOS caused by the highly rapid load change of the VR has the advantages that: aiming at the problem of MOS burnout caused by the highly rapid load change when the server mainboard is matched in different configurations or in different working modes, and a fault is prevented from occurring in a product during the working process and affecting normal working; and meanwhile, the method is also applicable for improving the working stability of various server circuit board cards, is high in practicability and is easy to promote.

Disclosed is a fast safe solid expandable tube reinforcement device for oilfields. An expander is placed in an expandable patch tube in clearance fit in a broken well casing. The expander comprises a hydraulic tube and a fast inserting rod; the lower end of the hydraulic tube is connected to the upper port of the fast inserting rod, the lower end of the fast inserting rod is embedded in an expandable cone, and the cylindrical portion of the expandable cone tightly matches with the inner wall of an expandable chamber; a lifting rod penetrates the hydraulic tube, the fast inserting rod, the expandable cone in clearance fit from bottom to top, and the lower end of the lifting rod is tightly connected to a combined bottom plug; the combined bottom plug comprises a mandrel, and the mandrel penetrates a piston body, a two-way slip, is embedded in a guide cone holder and is fixedly connected with a pin. The device has the advantages that casing patching operation efficiency is improved greatly, the patching period is shortened, and significant economic benefits can be created. The device is characterized in that after pressing operation of the expandable tube is finished, the expandable cone moves upwardly till the upper port of the expandable tube and drives the lifting rod to move upwardly, the lifting rod drives the combined bottom plug to move upwardly, and the positioning part of the combined bottom plug can reduce automatically to relieve the limit and can be lifted out from the upper end of the expandable tube.

The invention is a sensor, in particular to a subcutaneous tissue-intervening needle-shaped glucose sensor and a preparation method thereof. It includes a base, and the bottom of the base is provided with a working electrode, a counter electrode and a reference electrode, and the working electrode, the counter electrode and the reference electrode form a split needle-shaped three-electrode system. The subcutaneous tissue-intervening needle-like glucose sensor and the preparation method thereof have a compact structure, improved operation performance, and improved service life.

An average level detection circuit (10) outputs a level of an input signal of a baseband output signal or a mixer circuit. A smoothing circuit (11) removes an AC component from an output signal of the average level detection circuit (10). A reference comparison circuit (12) outputs a level suppression signal when an output signal of the smoothing circuit (11) exceeds a predetermined reference voltage. When the reference comparison circuit (12) outputs the level suppression signal, the limiter circuit (13) controls the bias circuit (14) to suppress a bias current of the mixer circuit. As a result, it is possible to obtain a low-current-consumption signal reception front-end circuit in which an IF output level is not significantly lowered under an unexpectedly strong input condition, and a signal reception circuit in which an error does not occur in signal reception level detection.

The invention provides a wellbore wax and sand control tubular column used for oil field oil extraction and relates to the technical field of oil extraction equipment in the oil field development andproduction process. The tubular column comprises an oil extraction tube structure and a sleeve, and further comprises circular hot pack pipelines, external circulating channels and oil well pump circulating channels. The circular hot pack pipelines comprise the first circular hot pack pipeline, the second circular hot pack pipeline and the third circular hot pack pipeline. The external circulatingchannels comprise the first external circulating channel, the second external circulating channel and the third external circulating channel. The oil well pump circulating channels comprise the firstoil well pump circulating channel, the pump tail pipe and the second oil well pump circulating channel. According to the wellbore wax and sand control tubular column provided by the invention, driving circulation is established by means of hot water of prior ground gathering and conveying pipelines of an oil field, and wax in an annular space in a wellbore and on the pipe wall is removed.

The invention discloses an operating tunnel gas monitoring device and system based on a passive laser methane sensor. The device comprises a fiber laser methane sensor device, a signal processing circuit and a power supply circuit, wherein the fiber laser methane sensor device is used for detecting methane content information, and transmitting the detected methane content information to the signalprocessing circuit; the signal processing circuit processes the detected methane content information; the power supply circuit is used to supply power to the fiber laser methane sensor device and thesignal processing circuit; the fiber laser methane sensor device comprises a laser generator and a methane sensor, and the methane sensor is installed in a methane gathering area preset at the top portion in the tunnel; the laser generator and the methane sensor are connected through the optical fiber; and the laser generator, the signal processing circuit and the power supply circuit are installed a non-methane gathering area outside or in the tunnel. The operating tunnel gas monitoring device based on the passive laser methane sensor improves the safety of the tunnel gas monitoring system and enhances its communication anti-interference.

The invention relates to a gas cooker which is characterized in that: the gas cooker includes a housing; a top plate which shields above side of an opening part of the housing; burner units which are accommodated inside the housing and includes a red heat plate which is heated by a hybrid gas; an operation unit which is arranged at the front end of the housing and operated by a user so as to enable the burner units to work; a main fan which is disposed between the burner units and the operation unit, and absorbs air outside the housing to cool the inside of the housing; and a gas exhaust part which is arranged at the rear end of the housing and is intended for exhaust the gas left after the combustion of the burner units and the cooled air inside the housing.