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974results about How to "High working reliability" patented technology

Visual work monitoring method for tower crane based on digital twinning

The invention relates to the technical field of crane work monitoring, and discloses a tower crane visual work monitoring method based on digital twinning, which comprises the following steps: S1, establishing a digital twinning model of a tower crane, the digital twinning model comprises a geometric model, a physical model and an environment model, and the geometric model is constructed through a three-dimensional modeling tool; s2, working state data of the tower crane are collected through a multi-sensor network, and sensors comprise a force sensor, a position sensor, an acceleration sensor and an environment sensor. A three-dimensional dynamic model of the tower crane can be constructed and displayed through a digital twinborn technology and real-time acquisition of multi-sensor data, an operator knows the working state of equipment in real time through the system and obtains intelligent operation suggestions, and if abnormity is detected, the system automatically gives an early warning to prevent the equipment from having faults due to overload, vibration abnormity and other problems, so that the working efficiency of the tower crane is improved. And the working safety of the tower crane is obviously improved.
Owner:SHANGHAI HAOXIN HAOYI INTELLIGENT TECH CO LTD

Energy storage cabinet temperature intelligent adjustment control system, method and device and storage medium

The invention discloses an energy storage cabinet temperature intelligent adjustment control system, which comprises a battery management system BMS, a liquid cooling unit controller TMS, a liquid cooling unit and an energy storage converter PCS, and is characterized in that the battery management system BMS further comprises a plurality of temperature sensors used for obtaining the battery cell temperature of a battery; the BMS judges that the battery is currently in a charging state, a discharging state or a standby state according to the output power of the PCS; and a corresponding instruction is sent to the liquid cooling unit controller TMS according to the cell temperature collected by the temperature sensor to control the liquid cooling unit to enter a heating mode, a refrigeration mode, a self-circulation mode or a shutdown mode, so that the temperature of the cell is ensured to be in an optimal state, the energy consumption of the energy storage system is reduced, and the energy consumption of the energy storage system is reduced. And the working efficiency and reliability of the energy storage system are improved.
Owner:GUANGZHOU HAIYUNJI ENERGY CO LTD +1

Plastic film processing waste recovery device

The invention relates to the technical field of film processing, and particularly discloses a plastic film processing waste recovery device which comprises a recovery box, a feeding port is formed in the top end of the recovery box, and the recovery box comprises a primary crushing mechanism used for primary crushing and a cleaning mechanism used for preventing winding. In the using process, through mutual cooperation of the primary crushing mechanism and the secondary crushing mechanism, waste materials can be further crushed into smaller shapes, gradual refining treatment on the waste materials can be achieved in a multi-stage crushing mode, the crushing uniformity and fineness are improved, the quality of recycled products is improved, and the recycling efficiency is improved. Through mutual cooperation of the primary crushing mechanism and the cleaning mechanism, waste remaining in notches between the crushing teeth can be scraped away in time, so that cleanliness between the crushing teeth is kept, it is guaranteed that the crushing rollers can continuously and efficiently conduct crushing work, normal operation of equipment is guaranteed, the shutdown maintenance time is shortened, and the production efficiency is improved. And the working efficiency and the reliability of the device are improved.
Owner:XUZHOU HUAQIANG PLASTIC IND PACKING CO LTD

Clothes processing equipment

The embodiment of the utility model provides clothes processing equipment, which comprises a box body, a clothes processing drum, a main control board, a wireless energy supply assembly and a cable, and is characterized in that the box body comprises a rear plate; the wireless energy supply assembly comprises a transmitting module and a receiving module, and the receiving module is used for receiving an electromagnetic signal transmitted by the transmitting module and generating an induced current; the transmitting module comprises a transmitting coil, the transmitting coil is arranged on the side, facing the clothes processing drum, of the rear plate, and the transmitting coil and the main control board establish a conductive path through a cable; the rear plate is provided with a first wire passing opening, one end of the cable is connected with the transmitting coil, and a part of the cable penetrates out of the first wire passing opening to the side, away from the clothes processing drum, of the rear plate. According to the clothes processing equipment, the transmitting module and the receiving module can transmit electric energy without contact, wire connection is not needed, the reliability is high, the electricity utilization requirement of electrical elements can be met, the clothes state can be sensed in a close range, and specific functions are achieved.
Owner:WUXI LITTLE SWAN ELECTRIC CO LTD

Contactor integrated with excitation function

The utility model relates to the field of circuit protection, in particular to a contactor integrated with an excitation function, and an excitation ignition assembly, a first piston, a first conductive part, an auxiliary contact system, a push rod, a melt, an air passage, a second piston and an elastic part are integrated in the contactor. The melt and the auxiliary contact system are connected in series and then are connected in series between the two static contacts. In a normal working state, the auxiliary contact system is insulated and disconnected, when an overload current, a short-circuit current or an abnormal condition occurs, the ignition assembly is excited to act to drive the first piston and the first conductive piece to move, the first conductive piece enables the auxiliary contact system to be conducted and closed, and the melt is connected into a main loop in a parallel connection mode; and then the second piston and the elastic piece are driven to displace through the air passage, so that the contact system is switched off, the elastic piece generates irreversible deformation, and the first piston and the first conductive piece push the push rod to disconnect the melt. According to the invention, the power loss is low, zero-current cut-off of a main loop can be realized, and the breaking capacity and the breaking reliability are improved.
Owner:XIAN ZHONGRONG ELECTRIC CO LTD

Cascode cascade type switching device with cascade current limiting structure

ActiveCN119298887ASolving technical problems with poor operational reliabilityThe turn-on current decreasesTransistorElectronic switchingCurrent limitingInternal resistance
The invention discloses a cascode cascade type switching device with a cascode current limiting structure. The cascode cascade type switching device comprises a grid end, a source end, a drain end, a low-voltage enhancement type field effect transistor, a high-voltage depletion type field effect transistor and the current limiting structure. The current limiting structure comprises a plurality of common-gate current limiting depletion type field effect transistors and a current limiting resistor. According to the current-limiting depletion type field-effect transistor, when a switching device is turned on, the grid current of the high-voltage depletion type field-effect transistor can be limited through the current-limiting resistor and the series internal resistors of the plurality of current-limiting depletion type field-effect transistors, so that the working reliability of the current-limiting depletion type field-effect transistor and the whole switching device is improved.
Owner:GANEXT (ZHUHAI) TECH CO LTD

Auxiliary source architecture applied to photovoltaic system

The invention discloses an auxiliary source framework applied to a photovoltaic system. The auxiliary source framework comprises a direct-current auxiliary source and an alternating-current auxiliary source, the direct current auxiliary source takes electricity from a direct current bus of the photovoltaic system, and the alternating current auxiliary source takes electricity from an alternating current power grid; based on the working scene of the photovoltaic system, the direct-current auxiliary source and / or the alternating-current auxiliary source independently supplies power to the functional modules of the photovoltaic system, or the direct-current auxiliary source and the alternating-current auxiliary source jointly supply redundant power to at least part of the functional modules of the photovoltaic system. The beneficial effects of the invention are that different auxiliary sources are arranged, and the power taking positions of the auxiliary sources are different, so that the power supply demands of the photovoltaic system in different working scenes can be met, and the normal work of the photovoltaic system in different working scenes can be ensured; redundant power supply of at least part of functional modules of the photovoltaic system is realized through cooperation of different auxiliary sources, and the working reliability of the photovoltaic system can be improved.
Owner:NINGBO GINLONG TECH

Forklift lithium battery module control method, system and equipment and medium

The invention relates to the technical field of battery control, in particular to a forklift lithium battery module control method, system and equipment and a medium. The method comprises the following steps: firstly, acquiring the current state of a lithium battery module and the operation state of a forklift, and analyzing the discharge condition of the module according to the states to obtain a discharge analysis result; according to the discharge analysis result, directional power-off analysis is carried out on the target lithium battery module in the micro-current discharge state, and directional power-off parameters such as a power-off time parameter and a power-off mode are obtained; and finally, the connection state of the target lithium battery module and the system is controlled according to the parameters, and targeted power-off protection is realized, so that the problem caused by micro-current discharge is solved, the service life of the lithium battery is prolonged to the greatest extent, and the overall working reliability is improved.
Owner:BSL NEW ENERGY TECH CO LTD

Automobile transmission shaft with kinetic energy recovery function

The invention discloses an automobile transmission shaft with a kinetic energy recovery function, and relates to the technical field of vehicle transmission. The problem of torque transmission vibration energy recovery is solved. The driving shaft is in transmission connection with a vehicle driving source, the driven shaft is in transmission connection with a vehicle driving wheel, the transition shaft is used for being in transmission connection with the driving shaft and the driven shaft, and the energy recovery part is fixed to a vehicle body. The opposite sides of the driving shaft and the transition shaft are each provided with a set of pawls. The driving shaft and the transition shaft are arranged, the driving shaft and the transition shaft are meshed and matched through the pawls, meanwhile, energy conversion is conducted through piezoelectric ceramics, so that second-order vibration energy in the forklift driving or forklift driving process can be absorbed and converted, energy recovery is achieved, meanwhile, a rubber cushion block is arranged, on one hand, vibration buffering can be conducted to a certain degree, and on the other hand, the energy recovery efficiency is improved. And on the other hand, the piezoelectric ceramics can be prevented from being damaged when being driven by a relatively large torque.
Owner:四川吉利学院

Limiting structure and relay

The utility model discloses a limiting structure and a relay, the limiting structure comprises a first part and a second part, and the first part is provided with at least two protruding parts; the second part is provided with at least two assembly holes, and the at least two protruding parts are limited in the at least two assembly holes respectively; a plurality of protrusions are further arranged between the outer peripheral face of the corresponding protruding part and the hole wall face of the assembly hole and arranged in the circumferential direction of the assembly hole.
Owner:XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD

Battery monomer, battery and electric device

The invention provides a battery monomer, a battery and a power utilization device, and belongs to the technical field of batteries. Wherein the battery monomer comprises a first shell wall, a pole and an insulation sealing structure, the pole comprises a penetrating part and a first extension part, the first extension part extends to the outer side of the outer surface or the inner side of the inner surface of the first shell wall, and a first corner facing the first shell wall is arranged at the joint of the first extension part and the penetrating part; the first shell wall comprises a second corner arranged corresponding to the first corner, the insulation sealing structure is matched between the first shell wall and the pole and comprises a first part and a second part, the material hardness of the first part is smaller than that of the second part, and the first part is arranged close to at least one of the first corner and the second corner relative to the second part. According to the battery monomer, the risk of cracking of the insulation sealing structure is reduced, the reliability of insulation sealing matching between the first shell wall and the pole is improved, and the reliability of the battery monomer is improved.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Operating mechanism of dual-power automatic change-over switch

The invention relates to an operating mechanism of a dual-power automatic change-over switch, which comprises a shell and an automatic change-over assembly, and is characterized in that the automatic change-over assembly comprises a mechanism frame, a motor, a change-over disc, a change-over shaft, a first rotating frame, a first change-over pull plate, two first energy storage springs, a second rotating frame, a second change-over pull plate, two second energy storage springs and a change-over driving part; a driving part is arranged on the side, facing the first rotating frame, of the conversion driving part in a linkage mode, a shifting shaft matched with the driving part is arranged at one end of the first rotating frame, a shifting groove matched with the shifting shaft is formed in the driving part, and one end of the shifting shaft moves along with the first rotating frame and moves in the shifting groove in a reciprocating mode. And linkage matching between the driving piece and the first rotating frame is formed. The circuit breaker has the advantages of simple structure, stable and reliable performance, rapid and reliable conversion and high breaking capacity.
Owner:WENZHOU GELE ELECTRIC APPLIANCES CO LTD

Acoustic signal processing system based on data acquisition card

The invention relates to the technical field of signal processing, in particular to an acoustic signal processing system based on a data acquisition card, which comprises a sound signal acquisition module, a signal decomposition and extraction module, a spectrum analysis and adjustment module and a spectrum output optimization module. According to the invention, by applying the wavelet transform and the convolutional neural network, the automation and accuracy of acoustic signal processing are significantly improved, and the introduction of the wavelet transform allows more detailed time-frequency decomposition of the sound signal, so that the ability of extracting key signal features from a complex environment is improved; the application of the convolutional neural network in spectrum analysis and adjustment enables the system to automatically identify and adapt to the difference of spectrum modes, improves the operation efficiency and the signal quality, reduces the dependence on manual intervention processing, and improves the accuracy of the system. And the working efficiency and reliability of the system in different application environments are enhanced.
Owner:SHENZHEN HONGZHE TECH CO LTD

Portable hemostatic device for nursing

ActiveCN119184785AEasy and quick resetStable extrusion forceTourniquetsNursing careScrew thread
The invention relates to the technical field of hemostasis equipment, in particular to a portable hemostasis device for nursing. The first magic tape is mounted on the bracket; the extrusion part is arranged on the bracket in a sliding manner; the rotating sleeve is rotationally arranged on the extrusion part, and the rotating sleeve is provided with an external thread; the rotating shaft is arranged on the rotating sleeve in a sliding mode and rotationally connected with the support in a limiting mode, and a spring is installed between the rotating shaft and the rotating sleeve; the two sliding blocks are symmetrically distributed, the two sliding blocks are both arranged in the support in a sliding mode and are both provided with internal threads, and the internal threads of the two sliding blocks are both in threaded fit with the external threads on the rotating sleeve; and the triggering mechanism is arranged on the bracket. By controlling the positions of the two sliding blocks, the extrusion piece can be conveniently and rapidly reset, operation of the device is simplified, the situation that a user frequently adjusts the position of the extrusion piece by rotating a rotating shaft is avoided, and therefore the use efficiency of the device is improved.
Owner:THE SECOND XIANGYA HOSPITAL OF CENT SOUTH UNIV

Probe card stroke compensation system and method

The invention relates to the technical field of probe cards, and particularly discloses a probe card stroke compensation system and method, and the method comprises the steps: analyzing the distance value of each probe in a probe card, obtaining a distance characterization value WB, judging whether the abnormal degree of the probe card generates an adjustment signal or not based on the distance characterization value WB, and adjusting the stroke of the probe card based on the adjustment signal. The method comprises the following steps: applying test pressure to a single probe at a fixed rate, analyzing the change trend of a distance value along with the increase of the test pressure, judging whether the change of the distance value of the probe along with the increase of the test pressure is linear or not, and selecting an appropriate model as a prediction model based on the judgment result of whether the change of the distance value of the probe along with the increase of the test pressure is linear or not. According to the invention, the distance standard value can be adjusted in time according to the actual monitoring condition, and the pressure during the probe stroke compensation can be correspondingly adjusted, so that the problem caused by the overlarge difference between the actual distance value and the predicted distance value can be effectively solved, and the normal work of the probe card and the accuracy of the test effect can be ensured.
Owner:JIANGSU JINCHENG SEMICONDUCTOR CO LTD

Intelligent control method, system and equipment of mine crusher and medium

The invention relates to the technical field of crushers, in particular to an intelligent control method, system and equipment for a mine crusher and a medium, and the method comprises the steps: obtaining historical parameters of component adjustment parameters, and constructing a component adjustment model according to the historical parameters of the component adjustment parameters; acquiring lining plate thickness information and moving cone position information, inputting the lining plate thickness information and the moving cone position information into the component adjusting model to obtain moving cone updating position information, and performing instruction matching according to the moving cone updating position information to obtain a position adjusting instruction for adjusting the moving cone position; the method comprises the steps of obtaining material information, performing matching according to the material information and preset moving cone rotating speed range information to obtain first moving cone updated rotating speed information, performing instruction matching according to the first moving cone updated rotating speed information to obtain a rotating speed adjusting instruction for adjusting the rotating speed of the moving cone, adjusting parameters of the crusher in real time, and improving the working efficiency and reliability of the crusher.
Owner:GUANGZHOU LEI MENG MASCH EQUIP CO LTD

Water injection and electrolyte monitoring system and method for marine storage battery

The invention provides a marine storage battery water injection and electrolyte monitoring system and method, and the system comprises a marine storage battery water injection monitoring group control subsystem which constructs a marine storage battery water injection and monitoring bottom layer control unit combined multi-layer architecture, carries out the real-time online monitoring of the water injection state and electrolyte state of a storage battery, and carries out the real-time online monitoring of the water injection state and electrolyte state of the storage battery; acquiring water injection state information and electrolyte state information of the storage battery; the storage battery data transfer station combination subsystem is used for carrying out grouped storage battery data transfer through a grouped storage battery data transfer station according to the storage battery water injection state information and the electrolyte state information; the water injection electrolyte state display and control subsystem is used for sending a density measurement instruction through a state display and control upper computer to carry out density measurement and carrying out storage battery water injection state and electrolyte state display control; and the distributed layering complete subsystem constructs a distributed layering water injection monitoring complete system through a data transfer layering communication protocol, and carries out integrated monitoring control on the water injection state and the electrolyte state of the marine storage battery.
Owner:WUHAN BLUE OCEAN TECH CO LTD

Surface polishing equipment for concentration tank for biological medicine

InactiveCN119501785ABroaden the range of typeschange diameterPolishing machinesGrinding drivesElectric machinery
The invention discloses surface polishing equipment for a concentration tank for biological medicine and relates to the technical field of polishing equipment, the surface polishing equipment comprises a base and a tank body, a rack is mounted at the top of the base, a translation motor is mounted at the position, away from the rack, of the top of the base, and a lead screw is mounted at the output end of the translation motor; the position, close to the far end, of the outer wall of the lead screw is installed on the top of the base through a bearing seat. According to the surface polishing equipment for the concentration tank for the biological medicine, an inner polishing assembly is fed into the tank body from an inclined tank opening of the tank body through the lifting assembly under the cooperation of the angular position adjusting assembly, and after the inner polishing assembly enters the tank body, an angular position adjusting frame is driven to rotate through an angular position adjusting motor, so that the angular position adjusting frame is in a vertical posture relative to a fixing frame; the inner wall of the tank body can be polished by matching with the rotating assembly and the polishing assembly, so that the space obstruction caused by an eccentric feeding hole position, a central stirring device mounting hole position and the like is overcome, and the type range of the tank body capable of being treated by the equipment is greatly widened.
Owner:SANYI TECH (GUANGZHOU) CO LTD

Single photon detector

The utility model discloses a single-photon detector, which comprises a controller, a bias voltage generating circuit, a refrigeration temperature control circuit, a gating voltage generating circuit, an avalanche signal extraction circuit and an avalanche photodiode (APD) refrigeration box, and is characterized in that one end of the bias voltage generating circuit, one end of the gating voltage generating circuit and one end of the avalanche signal extraction circuit are connected to the controller; one end of the refrigeration temperature control circuit is connected to a TEC of the APD refrigeration box, the other end of the refrigeration temperature control circuit is connected to the controller, the other end of the avalanche signal extraction circuit is connected to an anode of an APD in the APD refrigeration box through an alternating current coupling capacitor C2, the anode of the APD is grounded through a sampling resistor R2, the other end of the bias voltage generation circuit is connected to a cathode of the APD through a resistor R1, and the APD refrigeration box is connected to the APD refrigeration box. And the other end of the gating voltage generation circuit is connected to the cathode of the APD through an alternating current coupling capacitor C1. According to the technical scheme of the utility model, the passive quenching of the free operation working mode is realized, the dead time processing circuit is simplified, and the noise level of the detector is reduced.
Owner:QUANTUMCTEK CO LTD

Aerated brick slurry pouring device

The utility model discloses an aerated brick slurry pouring device. The device comprises a slurry tank, a material distribution sieve, a water supply pipe, an automatic control mechanism and a lifting mechanism for driving the material distribution sieve to ascend and descend, a lower pipe opening of the slurry tank is connected with an electric or pneumatic discharging valve and a discharging pipe, the distributing screen comprises an inverted-U-shaped screen body, a screen mesh is arranged below the inverted-U-shaped screen body, the upper portion of the U-shaped screen body is connected with a feeding pipe arranged on the discharging pipe in a sleeving mode, and a vibrator is arranged on the upper portion of the U-shaped screen body. The water supply pipe is provided with an electric or pneumatic water supply valve, and the water outlet end of the water supply pipe is connected to the upper end of the discharging pipe to flush the gap between the discharging pipe and the feeding pipe. According to the slurry pouring device, slurry can be uniformly and dispersedly poured into an air-added brick mold box, the air-added brick mold box is quickly filled with the slurry, no air is mixed in the slurry, the working efficiency is high, and the quality of a produced air-added brick product is good.
Owner:CHIFENG XINHAI ENERGY SAVING BUILDING MATERIAL

Gear shifting device of robot gearbox

The utility model discloses a gear shifting device of a robot gearbox, which comprises a driving shaft, a middle shaft and a shifting fork shaft which are arranged in the gearbox, a plurality of driving gears which synchronously rotate with the driving shaft are arranged on the driving shaft, and a plurality of driven gears which are correspondingly meshed with the driving gears are sleeved on the middle shaft. A synchronizer corresponding to each driven gear is further arranged on the middle shaft, a shifting fork capable of shifting the synchronizers to slide in the axial direction of the middle shaft and locking the synchronizers and the corresponding driven gears is arranged on the shifting fork shaft, and a gear shifting driving mechanism which is driven by a motor and enables the shifting fork shaft to push and pull in the axial direction to achieve the gear shifting action is arranged outside the gearbox. The gear shifting driving mechanism is an elastic gear shifting mechanism which has a bidirectional elastic buffering effect in the push-pull direction of the shifting fork shaft. In the gear shifting process of the gear shifting device of the robot gearbox, the synchronizer and the driven gear are locked after being in elastic contact, damage caused by rigid collision between the synchronizer and the gear in the gear shifting process can be avoided, and non-stop gear shifting can be achieved.
Owner:SHENYANG LVSHANG TECH CO LTD

An adaptive wave-absorbing and fluid-guiding device for aero engines

This invention discloses an adaptive wave-absorbing and flow-guiding device for aero-engines, comprising a casing made of wave-absorbing composite material, a wave-absorbing inner ring concentrically arranged with the casing, multiple adjustable wave-absorbing blades distributed circumferentially along the casing, a conical fairing disposed at the leading edge of the wave-absorbing inner ring, and an actuation mechanism. The adjustable wave-absorbing blades include an adjustable leading edge made of metal and an adjustable trailing portion made of wave-absorbing composite material. The leading edge of the adjustable wave-absorbing blade is fixedly disposed between the casing and the wave-absorbing inner ring, while the trailing portion is movably disposed between the casing and the wave-absorbing inner ring. The actuation mechanism is used to adjust the angle between the trailing portion of the adjustable wave-absorbing blade and the incoming flow. This adaptive wave-absorbing and flow-guiding device for aero-engines achieves the dual functions of regulating the inlet airflow and wave-absorbing efficiency, reducing the complexity of the aero-engine system and thus improving its operational reliability.
Owner:XIAN ZHIZAOREN ENTERPRISE MANAGEMENT PARTNERSHIP (LLP)

Display device, head-up display and vehicle

The embodiment of the invention provides a display device, a head-up display and a vehicle, the display device is applied to the head-up display, the display device emits image light, and the image light is reflected into an eye box through an imaging window corresponding to the head-up display, so that a user can observe a virtual image formed by the image light. The curvature of the imaging window in at least one of the transverse direction and the longitudinal direction is larger than 0 so as to form a first distortion form, the display device comprises a liquid crystal display screen and a backlight module, the backlight module is installed on the back side of the liquid crystal display screen and used for providing backlight for the liquid crystal display screen so that the liquid crystal display screen can emit image light, and the backlight module comprises a plurality of backlight lamps; the brightness of at least one of the plurality of backlights can be independently adjusted according to the virtual image content of the virtual image, the curvature of the shape formed by arranging the plurality of backlights in at least one of the transverse direction and the longitudinal direction of the liquid crystal display screen is greater than 0, and the bending direction of the shape is opposite to the bending direction of the corresponding area in the imaging window.
Owner:FUTURUS TECH CO LTD

Battery tab penetrating device and assembling equipment

The utility model discloses a tab penetrating device and assembling equipment of a battery. The battery comprises a shell and an electrode assembly, the shell is provided with a containing cavity, a through hole communicated with the containing cavity and the outside is formed in the shell, the electrode assembly is arranged in the containing cavity, and the tab penetrating device is used for guiding a tab part of the electrode assembly to extend out of the through hole. The tab penetrating device comprises a clamping mechanism and a driving mechanism, the clamping mechanism comprises a first clamping piece and a second clamping piece which are movably connected, and a clamping space with an adjustable opening and closing angle can be formed between the first clamping piece and the second clamping piece. And the driving mechanism is in transmission connection with the first clamping piece and / or the second clamping piece so as to drive the first clamping piece and / or the second clamping piece to move to adjust the size of the opening and closing angle. And the driving mechanism is configured to drive the first clamping piece and / or the second clamping piece to move, so that the first clamping piece and the second clamping piece can clamp the tab part to pass through the through hole and extend out of the accommodating cavity. Through the mode, the assembly difficulty of the battery can be effectively reduced.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Fault prediction and simulation method based on digital twinning in smart factory

The invention discloses a fault prediction and simulation method based on digital twinning in a smart factory. The fault prediction and simulation method comprises the following steps: step S1, planning a comprehensive work flow of the smart factory; s2, building a digital twinborn simulation model of the smart factory; s3, training a fault prediction model; and S4, fault prediction analysis and positioning. According to the method, the digital twinborn technology and fault prediction are combined, so that the smart factory can establish the digital twinborn simulation model reflecting the real state of the workshop on the virtual digital level based on the digital twinborn technology; the fault prediction model is used for performing virtual testing on the digital twinborn simulation modeling to predict faults possibly occurring in the working process of the smart factory, so that the working reliability and safety of the smart factory are improved, powerful support is provided for subsequent rapid maintenance of the smart factory, and the training sample of the fault prediction model is increased, so that the fault prediction efficiency is improved. Therefore, the fault prediction capability of the fault prediction model is improved.
Owner:NINGBO JINYU TECHNOLOGY INDUSTRY CO LTD

Coaxial counter-rotating fog gun fan

The invention discloses a coaxial reverse rotation fog gun fan in the technical field of environmental protection equipment. The coaxial reverse rotation fog gun fan comprises a forward rotation impeller, a reverse rotation impeller, a motor, a transmission mechanism and a connecting support. The forward rotation impeller and the reverse rotation impeller are coaxially arranged, the motor is used for driving the transmission mechanism, and the transmission mechanism and the transmission mechanism are installed in the barrel through the connecting support. According to the fog gun fan, gear meshing and synchronous belt wheel transmission modes are adopted, so that the forward-rotating impeller and the reverse-rotating impeller rotate on the same axis at a high speed, secondary energy loss caused by vortex of airflow and impact on a flow guide plate is avoided, and compared with a fog gun fan with two stages of impellers in the same rotating direction, the fog gun fan has the advantages that the structure is simple; under the same rotating speed, the fog gun fan with the coaxial shaft counter-rotating impeller structure is stronger in outlet airflow and high in efficiency, the noise generated by the airflow is reduced, the air volume and the air pressure are improved, and the range of a fog gun is increased.
Owner:XUZHOU XUGONG ENVIRONMENTAL TECH CO LTD

Manufacturing method of SOI BCD process integrated SGT device

The invention provides a manufacturing method of an SOI BCD process integrated SGT device, and the method comprises the steps: providing an SOI substrate of a first conduction type, the SOI substrate is composed of a substrate of the first conduction type, an oxide layer and a thin silicon layer which are sequentially stacked from bottom to top, and the substrate comprises a forming region of an MOS device of the first conduction type, a forming region of an LDMOS device and a forming region of an SGT device; removing the oxide layer and the thin silicon layer on the SGT device, and then forming an epitaxial layer of a first conductive type on the substrate; shallow trench isolation is formed on the epitaxial layer to define an active region, a first deep trench and a second deep trench are respectively formed on the epitaxial layer in the formation region of the MOS device of the first conductive type and the formation region of the LDMOS device, and the bottom ends of the first deep trench and the second deep trench extend to the substrate; and respectively forming a first deep trench isolation structure and a second deep trench isolation structure in the first deep trench and the second deep trench. According to the invention, the SGT device and the LDMOS device are integrated, a solution is provided for the manufacturing of the intelligent high-side switch chip, and the competitiveness is improved.
Owner:HUA HONG SEMICON WUXI LTD +1

Integrated hydraulic station system based on intelligent control

The invention relates to the technical field of integrated hydraulic station systems, and discloses an integrated hydraulic station system based on intelligent control. The integrated hydraulic station system comprises an intelligent control core module, a power and transmission control module, a monitoring and feedback adjusting module, a safety and protection module, a fault diagnosis and early warning module, a network communication and remote monitoring module and a system integration and cooperation module. The intelligent control core module comprises a central controller and a data acquisition and processing unit; the power and transmission control module comprises a hydraulic pump set and a hydraulic motor; the monitoring and feedback adjusting module comprises a sensor network and a human-computer interaction interface; the safety and protection module comprises an energy accumulator, a safety valve, an overflow valve, a filter and a cooler; the network communication and remote monitoring module comprises a network communication unit and a remote monitoring platform; through the system, the working stability and reliability of the hydraulic system can be improved.
Owner:JIANGSU WESTON INTELLIGENT TECH CO LTD

Split type generator

The utility model discloses a split type generator, which comprises a rotor, a stator and an end cover, the rotor is fixed on a rotating shaft through a flange and an expansion sleeve, the flange comprises a flange edge, the rotor is at least divided into three sections, the stator and the end cover are respectively at least divided into two sections, the flange and the expansion sleeve are respectively at least divided into two sections, and the expansion sleeve is fixed on the rotating shaft. A gap is formed between the inner surface of the expansion sleeve and the rotating shaft, the outer surface of the expansion sleeve is in contact with the inner surface of the flange, conical surfaces matched with each other are arranged at the contact parts of the expansion sleeve and the flange, and the generator tightens the expansion sleeve by connecting the split flanges, so that the rotating shaft is clasped. The flanges and the expansion sleeve are combined through conical surface nesting matching contact, tightening operation is conducted on the expansion sleeve through the connecting and fastening effect between the split flanges, and the purpose that the expansion sleeve tightly holds the rotating shaft is achieved. The contact area and the contact surface pressure of the expansion sleeve and the flange are large, the positive pressure of friction force generated on the contact surface is large, and the expansion sleeve and the rotating shaft can be clamped more tightly.
Owner:HUNAN CRRC SHANGQU ELECTRIC CO LTD

IGBT protection circuit

The utility model discloses an IGBT (Insulated Gate Bipolar Transistor) protection circuit, which comprises a driving module, the input control end of the driving module is connected with the cathode of a Zener diode D0, and the cathode of the Zener diode D0 is also connected to the emitter E of an insulated gate bipolar transistor Q0. The grid electrode G of the insulated gate bipolar transistor Q0 is connected to the driving output end of the driving module through a resistor R6, and the collector electrode C of the insulated gate bipolar transistor Q0 is connected with the overcurrent detection output end of the driving module through a fast recovery diode FR107. According to the technical scheme, transient voltage spikes can be effectively restrained, the IGBT is protected against overvoltage damage, the anti-interference capacity of the circuit is enhanced, a fast recovery diode FR107 is further arranged at the overcurrent detection output end of the driving module, the switching speed can be increased, the overvoltage phenomenon during switching-off is reduced, the service life of the IGBT and the driving module is prolonged, and the service life of the IGBT and the driving module is prolonged. And the working reliability of the whole circuit is improved.
Owner:临沂临工智能信息科技有限公司