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44results about How to "Avoid malfunction" patented technology

Electric power operation and maintenance monitoring device

The utility model relates to the technical field of electric power monitoring, in particular to an electric power operation and maintenance monitoring device. The monitoring device comprises a monitoring instrument, a strip-shaped groove is formed in the surface of the monitoring instrument, control keys are installed on the inner surface of the strip-shaped groove of the monitoring instrument, a protection device is arranged on the surface of the monitoring instrument, the protection device comprises two fixing plates, the two fixing plates are fixedly connected with the surface of the monitoring instrument, and the two fixing plates are fixedly connected with the surface of the monitoring instrument. The sides, away from each other, of the two fixing plates are fixedly connected with fixing rods, the arc surfaces of the fixing rods are slidably connected with operation plates, and the sides, close to the fixing plates, of the operation plates are fixedly connected with inserting rods. The problem that when the monitor is idle, dust falls into a strip-shaped groove of the monitor, so that control keys in the strip-shaped groove of the monitor are covered by a large amount of dust, dust or impurities enter gaps of the control keys in the strip-shaped groove of the monitor, and the control keys in the strip-shaped groove of the monitor are out of order is solved.
Owner:JIANGSU XINNENG POWER TECH CO LTD

Auxiliary device for disabled people without arms

The invention discloses an auxiliary device for armless disabled people, and relates to the technical field of brain-computer interfaces. In order to solve the problems that in the prior art, an invasive type and a semi-invasive type of existing wearable auxiliary devices for providing life assistance for people with upper limb disability need surgical operation, electrodes are implanted into the cerebral cortex, but the surgical risk is large, complications such as infection and bleeding are possibly caused, and long-term maintenance is needed after implantation; in order to solve the technical problems that a non-invasive interbrain interface is relatively small in risk, convenient to use, simple to operate, low in cost and relatively low in control precision, the technical scheme provided by the invention is as follows: the auxiliary system for the armless disabled person comprises a brain signal acquisition module for acquiring an electroencephalogram signal of a user in a non-invasive manner; the visual control module is used for collecting target object positioning information; and the main control module is used for generating grabbing action group signals according to the signals acquired by the brain signal acquisition module and the visual control module. The auxiliary grabbing device is suitable for being applied to auxiliary grabbing work of the arm-free handicapped.
Owner:HEILONGJIANG UNIV

Touch control test fixture of automobile central control touch screen

The utility model relates to the technical field of instrument testing, in particular to a touch test fixture for an automobile central control touch screen. The testing machine comprises a testing machine body, a testing frame is installed on the surface of the testing machine body, a control key is installed on one side of the testing machine body, a clamping device is arranged on the surface of the testing machine body, the clamping device comprises two clamping plates, the two clamping plates are both connected with the surface of the testing machine body in a sliding mode, and the two clamping plates are connected with the testing machine body in a sliding mode. The sides, away from each other, of the two clamping plates are fixedly connected with connecting blocks, the sides, away from the clamping plates, of the connecting blocks are rotationally connected with driving rods, the arc surfaces of the driving rods are in threaded connection with the testing frame, and the ends, away from the connecting blocks, of the driving rods are fixedly connected with handles. The problem that when a worker needs to use a testing machine body to test equipment, the testing machine body is collided by the outside, so that the equipment on the testing machine body deviates, and data tested by the testing machine body on the equipment are wrong is solved.
Owner:SHENZHEN ZHONGLI DONGKE ELECTRONIC EQUIP CO LTD

Infrared induction type faucet

The utility model discloses an infrared induction type faucet. The electromagnetic valve comprises a water outlet pipe and a valve body, the water outlet pipe is provided with a water outlet, an electromagnetic valve assembly is arranged in the valve body, the water outlet is communicated with the electromagnetic valve assembly, the electromagnetic valve further comprises an infrared induction assembly, the infrared induction assembly comprises at least one induction face, and the water outlet pipe is provided with an installation groove. The infrared sensing assembly is detachably and fixedly embedded in the mounting groove from the outside of the water outlet pipe, and the sensing surface of the infrared sensing assembly is exposed outside; the infrared induction assembly is electrically connected to the electromagnetic valve assembly and used for controlling opening and closing of the electromagnetic valve assembly. When the infrared induction assembly breaks down or needs to be upgraded, a user or a maintainer can directly take down the infrared induction assembly from the outside, the whole faucet body does not need to be disassembled, the maintenance process is simplified, and the maintenance efficiency is improved; in addition, the damage risk possibly caused by disassembly and reinstallation is also reduced, and the requirement for professional maintenance personnel is also reduced.
Owner:XIAMEN YOUYANG ELECTRONIC TECH CO LTD

Battery management controller and battery management method

The invention discloses a battery management controller and a battery management method.The battery management controller comprises a power supply module, a pressure sensor chip, an SBC assembly and a microprocessor, and the power supply module is connected with the sensor chip and the SBC assembly and used for supplying power to the sensor chip and the SBC assembly; the pressure sensor chip is arranged on a main control board of the battery management controller and used for detecting a pressure signal in a battery pack, when the pressure sensor chip detects that the pressure signal is abnormal in a sleep mode, the SBC assembly is awakened, the SBC assembly supplies power to the microprocessor to awaken the microprocessor, and the microprocessor is connected with the battery management controller. And the microprocessor obtains a historical pressure signal detected by the pressure sensor chip and judges whether the battery pack has a thermal runaway risk or not according to the historical pressure signal. According to the battery management controller provided by the invention, the pressure sensor chip is integrated on the main control board of the battery management controller, so that the cost is low, installation is not needed, the power consumption is small, and wiring harnesses are not needed.
Owner:UNITED AUTOMOTIVE ELECTRONICS SYST

Antenna standing-wave ratio calibration frame

The utility model relates to an antenna standing-wave ratio calibration frame. The antenna standing-wave ratio calibration frame comprises a base, a sliding block, a motor module, a fixed support, an antenna and a sensor assembly. A sliding rail is arranged at the upper end of the base, and the sliding block is installed on the sliding rail in a sliding mode. The fixed support is fixedly installed on the sliding block, and the antenna is fixedly installed on the top of the fixed support. The motor module is installed on the side edge of the base and is in transmission connection with the sliding block. The sensor assembly is mounted on the base, and the sensor assembly is electrically connected with the motor module; the sliding block slides on the sliding rail under the control of the motor module, so that the position of the antenna is conveniently adjusted, the mode of manually erecting an antenna standing-wave ratio calibration frame is replaced, and the sliding position of the sliding block can be accurately controlled by arranging the sensor assembly. And the erection efficiency is effectively improved.
Owner:JS TONSCEND CORP

Semiconductor device and method for manufacturing semiconductor device

ActiveCN119584647Alower resistanceavoid malfunctionDevice materialOhmic contact
The embodiment of the invention discloses a semiconductor device and a manufacturing method of the semiconductor device. The semiconductor device includes: a semiconductor layer; the drain well region is located on the semiconductor layer; the drain region is located in the drain well region; the first source well region and the second source well region are located on the two sides of the drain region respectively; the first source region is located in the first source well region; the second source region is located in the second source well region; the first source well contact region is located in the first source region and extends to the first source well region; the second source well contact region is located in the second source region and extends to the second source well region; the first gate unit extends from the first source well region to the drain region; the second gate unit extends from the second source well region to the drain region; a first part of the first source electrode is in ohmic contact with the first source region, and a second part is in ohmic contact with the first source trap contact region; the first part of the second source electrode is in ohmic contact with the second source region, and the second part is in ohmic contact with the second source trap contact region. According to the semiconductor device, the source electrode is in contact with the source region and the source well contact region at the same time, so that the working performance is improved.
Owner:SUZHOU NOVOSENSE MICROELECTRONICS CO LTD +1

A material changing mechanism of a corner folding machine

The application discloses a material changing mechanism of a beveler, which comprises a mounting frame, a beveling assembly arranged on the surface of the mounting frame, the beveling assembly being used for beveling plate materials, a weighing assembly arranged on the lower side wall of the mounting frame, a placing plate arranged in the mounting frame through the weighing assembly, a U-shaped plate fixedly arranged on the side of the placing plate, and a storage box fixedly arranged between the opposite surfaces of the U-shaped plate. The beveling assembly drives the backward movement of a material changing plate in the material changing assembly. When the beveling assembly is separated, the beveling assembly drives the forward movement of the material changing plate in the material changing assembly, so that the material changing plate pushes the plate materials without beveling into the lower mold. The beveling assembly continuously bevels the plate materials, so that the material changing assembly continuously drives the plate materials into the beveling assembly and pushes the plate materials formed in the beveling assembly out, thereby avoiding manual feeding and discharging of the beveler, and making the beveler more convenient to use.
Owner:ZHEJIANG YAJIE ENERGY EQUIPMENT CO LTD

Magnetic core assembly of water level sensor

The invention provides a magnetic core assembly of a water level sensor, and relates to the field of water level sensors, and the magnetic core assembly comprises a top end box body, the top end of the top end box body is provided with a top cover structure, the surface of one side of the top end box body is provided with a circuit connector, the lower end of the top end box body is provided with a magnetic core adjusting connector, and the top end box body is internally provided with a single-chip microcomputer. Heat dissipation holes are formed in the surface of the top end box body on one side of the single chip microcomputer, a filtering air bag is fixedly connected to the surface of the lower end of the magnetic core adjusting connector, a sealing connector is arranged on the surface of the upper portion of the filtering air bag, and a filtering net is arranged at the bottom of the filtering air bag; the water level sensor is used for solving the problems that when a washing machine is not used for a long time, due to magnetic attraction of the contact faces of a composite magnetic core and a coil, metal dust and other sundries are adsorbed to the connecting faces of the composite magnetic core and the coil, and the sensor is prone to failure in the using process; and the diaphragm slightly moves under the action of the outside, so that the periphery of the diaphragm is abraded.
Owner:WUHU LEJIA ELECTRICAL CO LTD

Automatic start-stop submersible sewage pump

ActiveCN224648760Uavoid long-term retentionavoid malfunction
The utility model relates to a kind of automatic start-stop sewage submersible pump of drainage equipment technical field, comprising: buoyancy tank, it is fixedly installed on the inner wall of pit, the bottom of buoyancy tank is equipped with water inlet hole, slidingly connected with buoyancy block in buoyancy tank, the edge of buoyancy block lower surface is fixedly connected with scraper, and the end of scraper away from buoyancy block is contacted with the inner wall of buoyancy tank;Water pump, it is installed in pit, and the water outlet of water pump is communicated with water guide pipe, and the water outlet end of water guide pipe extends to drainpipe;Control mechanism, it includes controller and two liquid level sensors, two liquid level sensors are electrically connected with controller, two liquid level sensors are respectively arranged in the upper portion and lower portion of the inner wall of buoyancy tank, and the detection surface of liquid level sensor and the inner wall of buoyancy tank are on the same vertical plane;The water pump is electrically connected with controller. The present scheme is used to solve the problem that the current automatic drainage device may cause the failure of drainage system due to the solidification of slurry in accumulated water.
Owner:ZUNYI ALUMINUM

Parking lock for chain type lifting parking equipment

The utility model discloses a parking lock for chain type lifting parking equipment, which relates to the field of parking locks and comprises a bottom plate, a supporting plate is arranged on one side of the top end of the bottom plate, two sides of the top of the supporting plate are connected with a reinforcing member through connecting rods, and an adjusting device matched with the bottom plate is arranged at the bottom end of the reinforcing member. A driving device is arranged on one side of the adjusting device; a shell is arranged at the top end of the bottom plate, a first limiting groove matched with the adjusting device is formed in the surface of the shell, and a second limiting groove matched with the connecting rods is formed in one side of the top end of the shell. According to the parking lock, under the action of the reinforcing piece, the firmness degree of the parking lock body can be improved, and when the parking lock body is normally used and a vehicle directly impacts the parking lock body, the reinforcing piece is not prone to being damaged or bent; the service life of the parking lock body is prolonged, and the normal working stability is guaranteed.
Owner:SHIJIAZHUANG SUMA PARKING EQUIP CO LTD

Intelligent archive audible and visual alarm

The utility model discloses an intelligent archive audible and visual alarm, and relates to the technical field of audible and visual alarms, the intelligent archive audible and visual alarm comprises an alarm mechanism, the alarm mechanism comprises a cover plate mechanism and a middle shell, and one side of the inner part of the middle shell is fixedly connected with one side of a control bottom plate. Through the arrangement of the alarm mechanism, the power supply drives the elements of the first circuit board to supply power to the alarm device, the loudspeaker makes a sound according to the situation, the light control panel enables the flash lamp to continuously flash, and the alarm device can effectively and accurately pass through the alarm position in the library environment, so that the safety of the library is improved. The alarm device can continuously supply power to the alarm device through the first storage battery under the condition of power failure, normal work can also be performed under the condition that the power supply is cut off, continuous alarm is performed through the loudspeaker, and the first shading plate is used for reflecting flickering light, so that the light is brighter, and the safety of the alarm device is improved. And external personnel can be effectively prevented from entering the archive room, and the effect of warning the external personnel is achieved.
Owner:INNER MONGOLIA KUNMENG ELECTRONIC TECH CO LTD

Composite totally-closed load type jet fuse

The invention discloses a composite totally-closed load type jet fuse, which relates to the technical field of power conversion and comprises a fixing assembly, a mounting assembly and a power conversion assembly, and the power conversion assembly is used for converting a circuit to a fuse with proper power according to fault current characteristics and working current of the circuit to be protected. Circuit faults are detected and checked through the circuit fault monitoring system, the protection circuit is connected to the fuse main body with the appropriate power model according to the detection result, the probability that the fuse cannot work due to the fact that the faults are not obvious is reduced, and in the actual use process, the safety of the fuse is improved. The fuse with the appropriate power specification can be selected according to the specific condition of the circuit and the electric energy quality parameters, the application range of the fuse is expanded, and the fuse can be suitable for the situation of different output powers under the same protection circuit.
Owner:BAODING TONGLI ELECTRIC EQUIP CO LTD

Telescopic limiting protection type warp knitting machine pay-off device based on elastic buffering

The utility model relates to the technical field of warp knitting machines, in particular to a telescopic limiting protection type warp knitting machine pay-off device based on elastic buffering, which comprises a warp knitting machine shell, a wire set is wound on the outer wall of a guide roller, and the outer wall of a base is rotatably connected with a wire wheel through a bearing and a support. Through cooperation of the base and the sliding plate moving mechanism, a wire set is buffered, in this way, the situation that the pay-off device cannot work due to the fact that the buffer roller makes contact with the bottom face can be avoided, the pay-off device needs to be checked by operators, and therefore the working efficiency of the pay-off device is improved; the second rotary knob drives the second rotating rod to rotate, the second rotating rod drives the cam to rotate, in this way, the movable base can drive the wire wheel to abut against the support on the surface of the base, in this way, an operator does not need to wind a new wire set again, and therefore the workload of the operator is reduced.
Owner:长兴鸿运织造有限公司

A composite fully enclosed load-type ejection fuse

The present invention discloses a composite fully enclosed load-type ejection fuse, which relates to the field of power conversion technology, including a fixing component, a mounting component and a power conversion component, wherein the power conversion component is used to convert the circuit to a fuse with suitable power according to the fault current characteristics and working current of the circuit to be protected. The present invention detects and checks the circuit fault through a circuit fault monitoring system, and connects the protection circuit to a fuse body of a suitable power model according to the detection result, thereby reducing the probability that the fuse cannot work due to an unclear fault. In the actual use process, a fuse of suitable power specification can be selected according to the specific situation of the circuit and the power quality parameters, thereby expanding the applicable scope of the fuse, so that the fuse can be applied to situations with different output powers under the same protection circuit.
Owner:BAODING TONGLI ELECTRIC EQUIP CO LTD

Digital delay chain control circuit and method

The invention discloses a digital delay chain control circuit and method, and the circuit comprises a clock generation module which is used for providing a plurality of clock signals; the control module is used for calibrating the working delay chain before the working delay chain starts to work, measuring and acquiring a first calibration parameter based on the reference delay chain through the reference module according to a plurality of clock signals provided by the clock generation module in a calibration stage, measuring and acquiring a precision parameter of the working delay chain through the working module, and transmitting the precision parameter to the control module; determining a second calibration parameter based on the working delay chain according to the first calibration parameter and a precision parameter of the working delay chain; the second calibration module is also used for taking the second calibration parameter as the delay parameter of the working delay chain after the working delay chain starts to work; and the working module is used for inputting a working signal, delaying the working signal according to the delay parameter and outputting a delayed working signal in the working stage of the working delay chain. According to the scheme, the requirement on a hardware circuit can be reduced, and the precision of the working delay chain is ensured.
Owner:SHANGHAI FUDAN MICROELECTRONICS GROUP

Computer case with dustproof interface

The utility model relates to the technical field of computer cases, in particular to an interface dustproof computer case which comprises a case body. The transmission port is formed in one side of the case main body, and a connecting wire is inserted and connected into the transmission port; and the mounting frame is fixedly mounted on one side of the case main body, and the mounting frame is arranged outside the transmission port. According to the dust collection device, the dust collection plate is installed in the installation frame, the sliding rod penetrates through the middle of the dust collection plate to limit the dust collection plate, the sliding rod is sleeved with the spring, and the clamping groove is formed in one side of the dust collection plate, so that after a connecting wire is inserted into the transmission port, the dust collection plate can be pushed to one end of the sliding rod due to the elastic effect of the spring; the transmission port is sealed, dust can be prevented from being accumulated in the transmission port, meanwhile, it is guaranteed that a connecting wire can be normally inserted into the transmission port, the cleanliness of the interior of the transmission port is improved, and the situation that the transmission port fails is avoided.
Owner:NANJING COLLEGE OF CHEM TECH

Photovoltaic string and photovoltaic system

The invention discloses a photovoltaic string and a photovoltaic system, and relates to the technical field of photovoltaic safety, the photovoltaic string comprises a plurality of photovoltaic modules, and every two adjacent photovoltaic modules are connected in series through an inter-plate connecting line; the first magnetic ring is arranged on a connecting line between a head-end photovoltaic module or a tail-end photovoltaic module in the photovoltaic group string and the inverter in a sleeving manner, the emitter is electrically connected with the first magnetic ring, and the emitter is used for sending an alternating current signal with a preset frequency to the photovoltaic group string through the first magnetic ring; the multiple turn-off assemblies are arranged on the inter-board connecting lines respectively, each turn-off assembly comprises a carrier extraction module and a switch control module used for controlling on-off of a direct-current loop of the corresponding inter-board connecting line, and the carrier extraction modules are used for extracting alternating-current electric signals from the inter-board connecting lines and supplying power to the switch control modules. According to the invention, the production cost can be reduced, the generating capacity of the photovoltaic system is not consumed, and the operation stability of the photovoltaic system is improved.
Owner:BEIJING HEKANG NEW ENERGY FREQUENCY CONVERSION TECH CO LTD

Monitoring system for monitoring working condition of electric drive axle of vehicle and electric drive axle for vehicle

Disclosed is a monitoring system (11) for monitoring the operating condition of an electric drive axle (1) of a vehicle, comprising: at least one sensor (111) arranged on the electric drive axle for detecting vibrations of the electric drive axle; the at least one power supply device (112) is arranged on the electric drive axle and can vibrate along with the electric drive axle, the power supply device comprises a vibration energy collector (1121), and the vibration energy collector is configured to be used for collecting vibration energy of the electric drive axle and converting the vibration energy into electric energy so that the power supply device can supply power to the sensor, at least one of the at least one sensors (111) is arranged at least adjacent to at least a corresponding one of the at least one power supply means (112). A corresponding electric drive axle (1) for a vehicle is also disclosed. According to some embodiments of the utility model, the monitoring system can work more reliably without special power supply.
Owner:ROBERT BOSCH GMBH

Compressed gas supply system, method for operating compressed gas supply system, and electronic device

The invention relates to a compressed gas supply system (34) having at least two compressed gas tanks (15, 16, 17, 18, 19) which are attached to an anode passage (2) of a fuel cell system (1). In order to simplify or improve the operation of the compressed gas supply system (34), the compressed gas tanks (15, 16, 17, 18, 19) are each associated with a valve device (21) having a charging path in which an actively switchable charging valve is arranged and a pressure relief path in which an actively switchable pressure relief valve is arranged.
Owner:ROBERT BOSCH GMBH

Inspection device with anti-collision structure

The utility model discloses an inspection device with an anti-collision structure, which relates to the technical field of inspection devices and comprises an inspection device body, a display screen is arranged above the front side of the surface of the inspection device body, and an inspection camera is fixedly mounted above the surface of the inspection device body. Sinking grooves are formed below the periphery of the surface of the inspection equipment main body, the front and rear sinking grooves are correspondingly the same in size, the left and right sinking grooves are correspondingly the same in size, protection mechanisms are arranged in the sinking grooves, and supporting mechanisms are arranged on the surfaces of the protection mechanisms on the left and right sides. Compared with an existing common inspection device with an anti-collision structure, the inspection device with the anti-collision structure has the advantages that an inclined supporting frame body can be immediately formed on the other side of a lateral collision stress surface after the inspection device is subjected to lateral collision, so that the situation that the inspection device main body topples due to the lateral collision and cannot work normally is effectively prevented; and the stability of the equipment in the working process is greatly improved.
Owner:CHINA ENENG GRP THIRD ENG BUREAU CO LTD

A fiber array structure coupled with a silicon photonic integrated chip

The present invention discloses an optical fiber array structure coupled with a silicon photonic integrated chip, comprising: a waveguide passive chip and a light-conducting structure, wherein a V-shaped groove for fixing the light-conducting structure is etched on the waveguide passive chip, and the light-conducting structure is an optical fiber or an optical fiber ribbon; the optical mode field size of one end of the waveguide passive chip coupled with the light-conducting structure matches the optical mode field of a single-mode optical fiber, and the optical mode field size of one end coupled with the silicon photonic integrated chip matches the optical mode field of a mode spot converter in the silicon photonic integrated chip. The waveguide passive chip realizes the mode spot conversion function, and the mode field size of the light coupling structure in the silicon photonic integrated chip only needs to match that of the waveguide passive chip, and is not affected by the mode field of the single-mode optical fiber, which can reduce the difficulty of designing and manufacturing the light coupling structure in the silicon photonic integrated chip and improve the light coupling efficiency.
Owner:NANO TECHNOLOGY (BEIJING) CO LTD

Sliding plug door transmission mechanism for railway vehicle

The invention relates to the technical field of sliding plug door transmission mechanisms, and discloses a sliding plug door transmission mechanism for railway vehicles, which comprises a fixing frame, a separating mechanism is arranged in the fixing frame, a connecting mechanism is arranged in the fixing frame, the separating mechanism comprises a limiting frame, and the outer surface of the limiting frame is fixedly connected with the inner wall of the fixing frame. The right side face of the limiting frame is fixedly connected with a supporting frame, the bottom face of the supporting frame is fixedly connected with the upper surface of the fixing frame, and the inner wall of the supporting frame is rotationally connected with a first threaded rod. According to the sliding plug door transmission mechanism for the railway vehicle, a lifting plate can pull a first servo motor at the bottom to ascend in the upward ascending process, the first servo motor ascends to drive a connecting gear ring on the surface to ascend at the same time, and then the connecting gear ring can slide and be separated on the surface of a driving gear; when a driving source of the sliding plug door breaks down, the driving assembly can be separated, and then follow-up emergency control work can be facilitated.
Owner:青岛中车四方轨道车辆有限公司

Quantitative water adding device for traditional Chinese medicine

The utility model relates to the technical field of water adding devices, in particular to a quantitative water adding device for traditional Chinese medicine, which comprises a supporting seat, a water adding unit is arranged at the top of the supporting seat, the water adding unit comprises a supporting plate fixedly arranged at the top of the supporting seat, and a first vertical groove, a transverse groove and a second vertical groove are formed in the front face of the supporting plate. The device has the beneficial effects that when the water containing box descends to take water, the floating plate can be pressed, and after pressing, the floating plate descends and drives the sealing plate to descend to open the water pipe; then water discharged by the faucet enters the water storage tank from the water pipe, the pressure on the floating plate disappears when the water containing box rises, then the floating plate drives the sealing plate to rise to seal the water pipe again to prevent the water from entering, and after a part of the water containing box is taken out, a part of water enters the water storage tank from the water pipe; water in the water storage tank is always at a proper water level and can be quantitatively taken out next time.
Owner:JIANGSU PROVINCIAL HOSPITAL OF TCM

Reverse dragging torque braking system, hydraulic system and transport vehicle

The utility model provides a reverse dragging torque braking system, a hydraulic system and a transport vehicle, and relates to the hydraulic technical field, the reverse dragging torque braking system comprises an engine, a driving pump, a reverse dragging pump, a proportional overflow valve, a heat dissipation device and a hydraulic motor, the engine is in driving connection with the driving pump, and an oil outlet of the driving pump is communicated with an oil inlet of the hydraulic motor; an oil inlet of the driving pump is communicated with an oil outlet of the hydraulic motor, the hydraulic motor is used for being in driving connection with wheels, the reverse dragging pump is in driving connection with the driving pump, an oil outlet of the reverse dragging pump is communicated with an oil inlet of the proportional overflow valve, and an oil outlet of the proportional overflow valve is communicated with the heat dissipation device. Through the heat dissipation device, the temperature of high-pressure oil can be reduced, the temperature of a hydraulic system is reduced, the hydraulic system achieves heat balance, the situation that the hydraulic system cannot work normally due to the fact that the temperature of the hydraulic system is too high is avoided, and safe and stable operation of the whole system is guaranteed.
Owner:CHINA RAILWAY ENG MASCH RES & DESIGN INST CO LTD

Glass kiln flue gas treatment system and method

The invention relates to the technical field of flue gas treatment, in particular to a glass kiln flue gas treatment system and method.The glass kiln flue gas treatment system comprises a cooling tower, a flue gas treatment module, a guide pipe and an induction mechanism and further comprises a strain assembly; the strain assembly comprises a storage box, a dispatching baffle, a connection control component and a regulation and control component. Connection control components are arranged on the two sides of the storage box, the two sets of connection control components are connected with the cooling tower and the flue gas treatment module through guide pipes correspondingly, then control over guiding-in and guiding-out of flue gas of the storage box is completed, the dispatching baffle is installed in the storage box, and the regulation and control component is installed in the storage box and used for driving the dispatching baffle according to the actual situation. When an emergency occurs or a treatment system cannot operate normally through arranged components, exhausted smoke can be temporarily stored, time is provided for maintenance personnel and workers to conduct treatment, and the situation that small problems affect the whole normal machining process is avoided.
Owner:XINJIANG GUANGYAO GLASS TECH

Control method and system of vehicle-mounted driving motor and vehicle

The embodiment of the invention provides a control method and system of a vehicle-mounted driving motor and a vehicle, and relates to the technical field of vehicle control. The method comprises the following steps: acquiring a current parameter value of an influence parameter according to a current working condition of a vehicle-mounted driving motor; querying a mapping relationship between the parameter value of the influence parameter and the compensation value according to the current parameter value of the influence parameter, and determining the current compensation value of the influence parameter; based on the current compensation value of the influence parameter, adjusting the driving parameter value of the vehicle-mounted driving motor; and controlling a vehicle-mounted driving motor to drive a vehicle-mounted component according to the adjusted driving parameter value. According to the method of the embodiment of the invention, the control of the vehicle-mounted driving motor can be compensated, and the control stability and precision of the vehicle-mounted electrical components can be improved by controlling the vehicle-mounted driving motor.
Owner:CHONGQING SELIS PHOENIX INTELLIGENT INNOVATION TECH CO LTD

Low-temperature shield pump bearing supporting structure and low-temperature shield pump

The invention relates to the field of low-temperature shield pumps, in particular to a low-temperature shield pump bearing supporting structure and a low-temperature shield pump. The shield pump comprises a pump shell, a stator and a rotor, and the rotor is supported through bearings arranged at the two ends of the stator. The bearing on at least one side comprises a bearing support fixedly arranged on the stator and a sliding bearing installed in the bearing support. A mounting surface for mounting the sliding bearing is arranged on the bearing support, the mounting surface is a concave spherical surface, and the outer surface of the sliding bearing is a convex spherical surface matched with the concave spherical surface, so that a spherical matching structure is formed, and the angle of the sliding bearing can be adjusted relative to the bearing support within a limited range. By means of the structure, when the bearing support deforms under the low-temperature working condition, the sliding bearing can be kept coaxial with the axis of the rotor through posture self-adaption adjustment, and abnormal abrasion or failure of the bearing caused by axis deflection is avoided.
Owner:HANGZHOU LENGFENG CRYOGENIC TECHNOLOGY CO LTD

Multi-path detection immunochromatography device

ActiveCN222337199Uavoid malfunctionImprove detection efficiencyBiological testing
The utility model relates to the field of immunochromatography devices, in particular to a multipath detection immunochromatography device which comprises a detection device, one side of the detection device is connected with a waste bin in a sliding mode, one side of the detection device is fixedly connected with a touch screen, a detection opening is formed in one side of the detection device, and the detection opening is communicated with the waste bin. The upper surface of the detection equipment is slidably connected with an inspection box, one side of the touch screen is provided with a protection device, the protection device comprises a fixing plate, the fixing plate is fixedly connected with the detection equipment, one side of the fixing plate is provided with a plurality of connecting grooves, an adjusting rod slidably penetrates through the inner wall of one connecting groove, and the inner wall of the other connecting groove is provided with an adjusting rod. And one end of the adjusting rod is fixedly connected with a connecting disc. The multi-path detection immunochromatography device provided by the utility model is provided with the protection plate which slides in the adjusting plate through the sliding block belt, and the touch screen which is not used can be protected through the protection plate, so that the situation that the touch screen is subjected to external collision and is out of order is avoided.
Owner:SHANGHAI JIXUAN TECH CO LTD +1