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843 results about "Contact failure" patented technology

Driver controller detection system

The invention discloses a driver controller detection system, which comprises an acquisition module, an acquisition module, a processing module, an identification module, a judgment module, an analysis module and a generation module, the acquisition module captures contact information and electromagnetic interference data of contacts in real time by means of a high-dynamic voltage sensor and a broadband EMC probe; the acquisition module is triggered by a locomotive signal and records dynamic working condition data; the processing module aligns the data, performs denoising and extracts fault parameters; the identification module scans the voltage waveform and judges the transient contact failure; the judgment module monitors EMC data and compares an instruction position, and judges misoperation; the analysis module analyzes fault association, judges a composite type and triggers an alarm; the generation module generates a detection report and a log. According to the system, a multi-dimensional monitoring network is constructed under a dynamic working condition, data reliability is guaranteed, faults are accurately identified, a compound fault source is positioned, and the safety and stability of locomotive operation are improved through risk grading early warning and automatic reporting.
Owner:BEIJING SUBWAY ROLLING STOCK EQUIP

Switch cabinet with stroke measurement function

The invention belongs to the technical field of power switch cabinets, and particularly provides a switch cabinet with a stroke measurement function, which comprises a cabinet body, a handcart, a stroke measurement assembly and an attitude detection assembly, and is characterized in that the stroke measurement assembly comprises a first range finder and a current detector, the first range finder is arranged on the handcart, and the current detector is arranged on the handcart; and the current detector is connected between the moving contact mechanism and the bus. And the handcart is pushed forwards until the current detector is electrified, and the distance S1 measured by the first range finder is recorded. The handcart continues to be pushed until the handcart reaches a preset working position, the distance S2 measured by the first distance meter is recorded, and the difference between the two distances is the contact stroke of the contact. According to the invention, the stroke measurement assembly can measure the contact stroke of the contact, and the attitude detection assembly can detect the position attitude of the moving contact mechanism, so that the problem of poor contact of the contact can be found and processed in time, the frequency and cost of equipment overhaul and maintenance can be reduced, and the operation stability of a power grid can be improved.
Owner:HENGSHUI ELECTRIC POWER DESIGN CO LTD +2

Transformer with leading-out mechanism

The invention discloses a transformer with a leading-out mechanism, and relates to the technical field of transformers. The transformer comprises a transformer body, a plurality of high-voltage wire outlet ends are fixed to one side of the top of the transformer body, a plurality of low-voltage wire outlet ends are fixed to the other side of the top of the transformer body, a protective shell is fixed to the top of the transformer body, and a plurality of vertical plates are fixed to the top of the transformer body; and an opening for accommodating the vertical plate is formed in one side of the protective shell. Through the arrangement of the anti-dragging device, the screw rod, the arc clamping plate and the limiting rod are matched to drive the arc clamping plate to clamp and fix the guide wire, so that the guide wire can be firmly fixed at a specified position, and the situation that the guide wire is loosened or falls off due to external force (such as collision or dragging of a worker during operation) is reduced; therefore, the stability of electrical connection can be ensured, and the problem of electrical failure or poor contact is avoided.
Owner:FOSHAN SHUNDE QIAOJING ELECTRONICS CO LTD

Quick connector for automobile starting motor

The invention provides a quick connector for an automobile starting motor, and relates to the technical field of starting motor connectors, the quick connector comprises a butt joint A and a butt joint B. A metal plug is installed in the butt joint A, and the metal plug is connected with a wire; the butt joint B is in contact with the butt joint A, a metal insertion cylinder is installed in the butt joint B, the metal insertion cylinder is connected with a wire, and a metal plug is connected with the metal insertion cylinder; and the outer part of the butt joint A is connected with a rotary connecting sleeve. After the metal plug is inserted into the metal insertion cylinder, the end part of the movable head is in close contact with the innermost end of the connecting seat under the thrust influence of the small spring, so that the conductive connection effect between the metal plug and the metal insertion cylinder is ensured, and the occurrence of poor contact is effectively avoided. The invention relates to a connector for an automobile starting motor, which solves the problem that the plug-pull connecting part of the connector is easy to loosen due to vibration when the existing connector for the automobile starting motor is generally fixed by adopting a plug-in matched threaded connection mode and is in a high-strength vibration working condition in an automobile for a long time.
Owner:江苏福群汽车零部件有限公司

Coupler connector stable in connection

The invention relates to the technical field of electronic couplers, in particular to a stable-connection coupler connector which comprises a first coupler, and a second coupler is arranged on the right side of the first coupler. And a connecting mechanism used for connecting and communicating the coupler I and the coupler II is further arranged, and the connecting mechanism comprises an electric contact disc I fixedly mounted in the left end of the coupler II. According to the invention, when the coupler I approaches the coupler II, the elastic pressing strip is driven to move synchronously, and when the electric contact disc I does not contact with the electric contact disc II, the elastic pressing strip is driven to move synchronously; a pressing plate is extruded, the pressing plate drives a first connecting rod to slide into a second coupler, a second spring and an air bag are compressed, air in the air bag is sprayed out from a nozzle hole, dust on the faces, close to each other, of a first electric contact disc and a second electric contact disc is conveniently removed in advance, and the removed falling dust can fall from an opening in the lower end of a limiting ring; the stability of the first electric contact disc and the second electric contact disc during conductive contact is ensured, and the condition of poor contact caused by dust is avoided.
Owner:HUNAN CARRIER ELECTROMECHANICAL CO LTD

Contact type alarm output device for mechanical accelerometer

The invention discloses a contact type alarm output device for a mechanical accelerometer, and relates to the technical field of accelerometers, the contact type alarm output device comprises a dome shell, and the dome shell is provided with a first cavity; the first contact, the second contact, the first alarm output lead and the second alarm output lead are inserted into the dome shell in a penetrating mode, the first alarm output lead is connected to the end, inserted into the outside of the dome shell, of the first contact, and the second alarm output lead is connected to the end, inserted into the outside of the dome shell, of the second contact. The second alarm output lead is connected to the end, penetrating into the outer portion of the dome shell, of the second contact, one end of the metal spring piece is fixedly connected to the first contact, the other end of the metal spring piece is in point contact with the second contact, and the metal spring piece and the second contact are in point contact design. And in combination with mechanical pushing of the conical sleeve, tight contact and reliable conduction during alarm triggering are ensured, and mistaken contact or poor contact caused by vibration or impact is avoided.
Owner:CHENGDU ZHONGKE ZHICHENG TECH CO LTD

Distribution box convenient for wire arrangement

The invention discloses a power distribution box convenient for wire arrangement, and relates to the technical field of power distribution boxes, the power distribution box comprises a box body mechanism, the box body mechanism comprises a box shell, the inner wall of the box shell is fixedly connected with a fixing frame, the fixing frame is fixedly connected with a mounting frame, and the box shell is rotatably connected with a box door; the wire arranging mechanism is fixedly connected to the inner wall of the box shell and comprises a connecting frame fixedly connected to the inner wall of the box shell, the connecting frame is movably connected with a clamping frame, the clamping frame is in threaded connection with a fixing bolt, one end of the clamping frame is in contact with the surface of the connecting frame, and the clamping frame is fixedly connected with a limiting assembly. Through cooperation of the wire arranging mechanism and the wire arranging mechanism, wires in the distribution box can be arranged and arranged conveniently, target wires can be found quickly during maintenance, the fixed wires are also convenient to unlock, and when the cables are pulled by external force, the cables are not prone to displacement or tripping, so that the safety of the distribution box is improved. And the situation of poor contact hidden danger caused by stress deviation and even loosening of the wiring terminal is reduced.
Owner:HANGZHOU HOUYU TECH CO LTD

Electric two-wheeled vehicle charging method and device with intelligent fault diagnosis function and storage medium

The invention discloses an electric two-wheeled vehicle charging method and device with an intelligent fault diagnosis function and a storage medium, and relates to the technical field of electric vehicle charging fault diagnosis, the method has an intelligent fault diagnosis function, various data in the charging process can be monitored and analyzed in real time, potential faults can be recognized in advance, and charging safety and equipment reliability are improved. According to data collected by a sensor network, such as charging state, short circuit fluctuation, leakage current and cable temperature, the system can automatically identify faults such as poor plug contact, micro short circuit, electric leakage and temperature abnormity, generate corresponding fault instructions and timely take measures such as power failure and alarm to prevent accidents. And the self-discharge monitoring function can also judge whether self-discharge abnormity exists in the battery according to battery discharge data, and timely notify a user to overhaul, so that the battery is prevented from being damaged.
Owner:ZHUHAI GONGFENG NEW ENERGY DEV CO LTD

Microswitch contact life test method and system

The invention relates to the technical field of microswitches, and discloses a microswitch contact life test method and system, and the method comprises the steps: carrying out the contact preheating operation and resistance reference measurement of a microswitch, and obtaining a contact resistance reference value and an initial fluctuation characteristic spectrum; setting a contact degradation monitoring threshold value based on the contact resistance reference value and the initial fluctuation characteristic spectrum; placing the microswitch in a test device for loop test, and recording a contact state data set in each test period; performing weighting processing on the contact state data set according to a test period, and calculating an average resistance fluctuation metric value and a contact degradation evaluation index; and performing dual-mode contact failure detection based on the average resistance fluctuation metric value and the contact degradation evaluation index, and generating target early warning signals of resistance abrupt change type and gradual change type failure modes, thereby improving the identification capability of different types of microswitch contact failure modes, and effectively avoiding sudden faults of equipment caused by contact failure.
Owner:ZHUHAI TUOLIN ELECTRONIC TECH CO LTD

Charging pile with self-locking type anti-falling direct current charging gun

The invention relates to the technical field of charging piles, and particularly discloses a charging pile with a self-locking type anti-falling direct-current charging gun, the charging pile comprises a charging pile body, the charging gun and a cable, the charging gun comprises a shell and a locking arm, a self-locking mechanism and a protection mechanism are arranged in the charging gun, the self-locking mechanism comprises a sliding sleeve, a sliding block and a connecting piece, and the sliding sleeve is connected with the cable. The locking arm is provided with a locking part and an unlocking part, the protection mechanism comprises a movable block, a reset spring and an overload spring, the cable has length redundancy in the charging gun, the cable drives the sliding sleeve to move by means of the self weight of the cable, the sliding block is driven to move to the position below the locking arm to form physical support, self-locking is achieved, poor contact is prevented, and when overload pulling force such as car sliding occurs, the cable is locked. The slide block is driven to cross the locking part and forcibly trigger the locking arm to unlock, and the overload spring is matched to push the charging gun to automatically separate; the problems that the charging gun is prone to loosening due to cable dragging and cannot be automatically released in danger are solved, and unification of rigid safety and flexible protection is achieved.
Owner:WUHAN XINZHOUHUAGUANG ELECTRICITY CO LTD

MATLAB working condition prediction and ANSYS matching surface creep analysis method

The invention relates to a MATLAB working condition prediction and ANSYS matching surface creep analysis method, and belongs to the technical field of mechanical engineering structure connection analysis and monitoring and computer-aided engineering software integration. The method comprises the following steps that a user inputs geometric parameters and typical working conditions through an MATLAB GUIDE interaction interface, and a system can generate a theoretical response curve of the matching surface pressure changing along with the magnitude of interference, the load and the rotating speed in real time and is used for evaluating the maximum allowable working parameter range. And then ANSYS is called to carry out batch finite element simulation, and actual contact pressure distribution and a creep strain cloud picture are obtained, so that the influence of different working condition combinations on the creep behavior of the matching interface is quantified. The method supports visual comparative analysis under the combination of multiple working conditions, and a user can intuitively master the evolution law and the creep development trend of the pressure distribution of the matching surface. The interactive critical failure discrimination module integrated in the system can automatically identify typical contact failure situations and perform significant annotation in images.
Owner:KUNMING UNIV OF SCI & TECH

Dustproof brushless switch

The utility model relates to the technical field of switches, in particular to a dustproof brushless switch, which comprises a shell used for protecting the outside of the switch; the electrical element is provided with a pressing assembly, and the pressing assembly is used for triggering a switch action in the electrical element; the corrugated sleeve is located between the pressing assembly and the shell and used for preventing dust between the pressing assembly and the shell; the spring is located in the corrugated sleeve and used for resetting the pressing assembly; and the mounting plate is located in the shell, and a vibration isolation pad is mounted on the mounting plate. Compared with the prior art, the switch has the advantages that the vibration assembly is arranged, the shell is automatically vibrated through linkage of movement of switch pressing operation, self-cleaning of dust on the surface of the shell is achieved, the sealing gasket and the corrugated sleeve are matched for use, dust is prevented from entering the shell, the problems of poor contact, resistance increase and the like caused by dust accumulation are effectively avoided, and the service life of the switch is prolonged. Therefore, the long-term operation reliability and stability of the switch are remarkably improved, and the failure rate caused by dust is reduced.
Owner:YONGKANG CHUANMU ELECTRIC APPLIANCE CO LTD

Self-locking U-shaped connector for new energy automobile

The invention relates to the technical field of new energy automobile connectors, and discloses a self-locking U-shaped connector for a new energy automobile, which comprises a socket end and a plug end, the plug end is inserted into the socket end, a self-locking mechanism is fixedly mounted on the outer side of the plug end, an auxiliary matching rod is connected to one side, far away from the plug end, of the self-locking mechanism, and the auxiliary matching rod is connected with the socket end. A reset mechanism is arranged on the self-locking mechanism, and a control mechanism is connected between the auxiliary matching rod and the reset mechanism. Through the arrangement of the self-locking mechanism, in the continuous butt joint process of the socket end and the plug end, rotation of the auxiliary matching rod can drive the self-locking assembly to rotate synchronously, then through continuous meshing of the clamping rod and the ratchet groove in the inner side of the ratchet wheel ring, the auxiliary matching rod can rotate in the opposite direction, and continuous locking is achieved; according to the utility model, the existing single-point locking mode is changed, so that the locking is stable, and the problems of poor contact and even loosening easily caused by abrasion of the existing single-point locking latch hook and deformation of the boss are solved.
Owner:深圳市鸿万科电子有限公司

Electrical signal test pin mechanism

The invention discloses an electrical signal test pin mechanism which comprises a first driving device and a pin assembly, the pin assembly comprises a first pin seat and a second pin seat, the first pin seat is provided with a first pin group, the second pin seat is provided with a second pin group, the first pin seat is provided with a first annular boss part, and the second pin seat is provided with a second annular boss part. The first annular boss part is provided with a first notch set, and the second annular boss part is provided with a second notch set. According to the electrical signal test pin mechanism, the automatic process of electrical signal transmission test of the tested product can be realized, and the problem of poor contact between the contact piece and the pin can be avoided; the first annular boss part and the second annular boss part play a waterproof and sealing role under the condition that contact of the contact pieces and the contact pins is not affected, the contact positions of the contact pieces and the contact pins are prevented from being exposed, and the connector is particularly suitable for electric signal transmission testing work of products in a hydraulic system or products needing to work in a humid environment.
Owner:BEIJING TIANMA INTELLIGENT CONTROL TECHNOLOGY CO LTD +1

Probe card

[Problem] The objective is to provide a probe card that are less prone to contact failure, with good high-frequency characteristics, current endurance, and good conductivity. [Solution] A probe card includes a wiring board 10 formed with one or more probe electrodes 102, an upper guide plate 13 spaced below the wiring board 10 and facing the wiring board 10, formed with one or more upper guide holes 131, a lower guide plate 14 spaced below the upper guide plate 13 and facing the upper guide plate 13, formed with one or more lower guide holes 141, and a probe group 15G including two or more probes 15 that are inserted through a same upper guide hole 131 and a same lower guide hole 141 and connected to a same probe electrode 102 and a same electrode 201 of an object to be inspected, wherein the probes 15 of the probe group 15G are capable of independently each other buckling deformation between the upper guide plate 13 and the lower guide plate 14, and their lower ends are capable of moving independently each other in a vertical direction.
Owner:NIHON DENSHIZAIRYO

Connector

To provide a connector capable of suppressing a contact failure due to heat.SOLUTION: In a receptacle connector 1, a pair of elastic beam part 11b each comprises: a first arm part 41 that is extended in a direction along a main surface so as to be opposite to an outer peripheral side surface of a side wall part 10b from one end as a connection end; and a second arm part 42 which is extended in a U-character shape while holding the side wall part 10b from the one end connected to the other end of the first arm part 41, and provided with a contact part 42a coming ingo elastic contact with a plug connector at a part along an inter peripheral side surface of the side wall part 10b. The pair of elastic beam parts 11b are arranged while holding the plug connector with the contact parts 42a of each of them. When holding the plug connector, both the arm parts 41 of the pair of elastic beam parts 11b are deformed in a direction separated from each other, and a tip end of the second arm part 42 come into contact with a receptacle housing.SELECTED DRAWING: Figure 3
Owner:I PEX INC

Conduction tester of wire harness connector

The invention provides a conduction tester for a wire harness connector, and particularly relates to the technical field of electrical testing of connectors, the conduction tester comprises a testing table plate and a tester body mounted on the top surface of the testing table plate, one side of the tester body is provided with an accommodating cabin, and one side of the tester body is provided with a display and a main controller; according to the conduction tester of the wiring harness connector, the limiting sliding block is stably matched with the limiting sliding rail on the cabin wall of the containing cabin, the probe seat can be accurately aligned with the connector in the clamping groove seat through the servo air cylinder, the probability of poor contact caused by manual insertion is greatly reduced, it is guaranteed that the test is smoothly carried out, and meanwhile the testing efficiency is improved. Through the cooperation of the pressure sensing part, the main controller and the force value regulator, the driving force of the linear driving part can be kept in a proper range, and the stable contact state of the probe and the connector is ensured, so that the test result is more reliable, and the test error caused by the contact problem is reduced.
Owner:深圳市渤海科技有限公司

Motor casing preorder processing flow method

The invention provides a motor casing preorder processing flow method, which is applied to the technical field of motor casing processing, and comprises the following steps of: obtaining a casing, a connector and a PCB (Printed Circuit Board), and independently processing the casing, the connector and the PCB; the manipulator collaboration comprises but is not limited to a cylinder, a motor and a belt for conveying materials; processing flow positions of the casing, the connector and the PCB are determined through code scanning; the detected defective products are conveyed out of the outside from the defective belt; the shell, the connector and the PCB are independently processed and synchronously circulate; a two-dimensional code / visual system is used for tracking the position of an assembly in real time, processing paths are dynamically distributed, poor contact caused by reverse assembly is prevented through connector positive and negative recognition and marking detection, and accurate alignment of pins and connector jacks is guaranteed through PCB pin detection and position calibration. According to plasma cleaning and welding point position detection, the cleaning effect and welding point integrity are verified through a camera, the cold solder joint and offset risks are eliminated, defective products are rapidly moved out through an independent belt line, qualified products are prevented from being mixed in, and the product consistency is ensured.
Owner:SHENZHEN HONEST MECHATRONIC EQUIP CO LTD

Spring force control insertion loss test probe device

The invention relates to the technical field of insertion loss test, and discloses a spring force control insertion loss test probe device which comprises a mounting seat, an elastic probe assembly and a fine adjustment assembly. A supporting frame is arranged at the bottom of the mounting base, the elastic probe assembly is located below the mounting base, the elastic probe assembly is connected with the supporting frame, the height of the elastic probe assembly is adjustable, the fine adjustment assembly is located on one side of the probe assembly, one end of the fine adjustment assembly is connected with the elastic probe assembly, and the fine adjustment assembly is used for adjusting the elastic value of the elastic probe assembly. The optimal contact pressure can be accurately set according to the characteristics of different circuit boards, poor contact caused by too small pressure or needle mark damage caused by too large pressure is avoided, the same set of device can adapt to the test pressure requirements of different circuit boards, and the problem that the fixed elastic K value cannot be adjusted, and consequently the needle mark difference between different boards is large is solved.
Owner:NANJING TESTING YUAN TECHNOLOGY CO LTD

Online detection system for contact fault of wiring terminal of doubly-fed fan

PendingCN121784621AImprove early recognition rateAccurate alarmResistance/reactance/impedenceElectric connection testingContact failureAtmospheric sciences
According to the double-fed fan wiring terminal contact fault on-line detection system provided by the invention, through electric-thermal-mechanical multi-physical quantity collaborative analysis, the early recognition rate of the terminal contact fault is remarkably improved; precise alarm under different load working conditions is realized by utilizing a self-adaptive threshold adjustment function of the edge calculation module; based on a multi-dimensional feature fusion algorithm of a cloud digital twinborn model, a material degradation rule calibrated by a laboratory is combined with real-time operation data, so that the prediction accuracy is greatly improved; an automatic response chain from early warning to emergency disposal is achieved through a grading decision mechanism, the manual inspection frequency is reduced, and meanwhile the fault positioning precision is further improved through three-dimensional coordinate positioning and adjacent terminal cooperative detection.
Owner:HUANENG XINJIANG SANTANGHU WIND POWER GENERATION CO LTD

Quick connecting plug for light modulator of airport navigation-aid lighting system

The utility model provides a quick connecting plug for a dimmer of an airport navigational lighting system, which relates to the field of electrical technology and comprises an aviation socket, an aviation plug is arranged at one end of the aviation socket, a jack is arranged at one end of the aviation socket, and a pin is fixedly mounted on the inner wall of the aviation plug. According to the utility model, through the arrangement of the protection plate, when the aviation plug and the aviation socket are separated, external foreign matters and impurities can be effectively prevented from entering the plug, the problem of poor contact caused by entering of the impurities into the plug is reduced, the reliability is improved, and the protection plate automatically shields when the plug is not inserted into the socket. When the plug is inserted, the plug automatically slides to give way, and the contact pin is exposed, so that dust can be effectively prevented from entering, meanwhile, faults and abrasion caused by poor contact can be reduced due to the fact that external impurities are prevented from entering, the service life of the connecting plug is prolonged, and the maintenance cost is reduced.
Owner:CHINA WEST AIRPORT GRP NINGXIA AIRPORT CO LTD

An intelligent unmanned vehicle automatic charging device

The present invention relates to an automatic charging device for an intelligent unmanned vehicle, belonging to the fields of intelligent equipment, unmanned vehicles and automatic charging. In order to solve the problems of poor contact easily occurring in single-sided contact and sparking when the charging electrodes just come into contact, the present invention designs an automatic charging device comprising: a first shell (3), a second shell (4), an external automatic fire extinguishing nozzle (5), a visual sensing device (6), a protective baffle (7), a lifting commutator (9), a lifting screw (10), a first synchronous pulley (11), a screw nut (12), a bearing seat (14), a synchronous belt (15), a second synchronous pulley (16), an automatic fire extinguishing device (18), a built-in automatic fire extinguishing nozzle (20), a smoke detection device (21), a device-end charging component (26), etc. The present invention has high reliability, can withstand a larger charging current, avoids sparking and ablation when the electrodes are in direct contact, can extinguish internal and external equipment, is effectively dustproof and rainproof, and can be highly adjusted.
Owner:BEIJING INST OF COMP TECH & APPL

Brake hub circle run-out detection device

The utility model discloses a brake hub circle run-out detection device, which belongs to the technical field of brake hub circle run-out detection, and comprises a workbench and a turntable, the turntable is arranged on the upper surface of the workbench, a positioning assembly is arranged in the turntable, and a replacement assembly is arranged on the upper surface of the workbench; the brake hub can be fixed through mutual cooperation of the motor, the worm, the worm gear, the rotating plate, the arc-shaped sliding rail, the moving rod and the arc-shaped clamping plate, the situation that the accuracy of a detection result is affected by deviation or vibration of the brake hub caused by rotating force when the rotating disc rotates is avoided, the stability of the brake hub in the detection process is ensured, and therefore the accuracy of the detection result is improved; it is ensured that the probe can keep stable contact with the surface of the hub during detection, poor contact is reduced, and the probe and the detector can be rapidly mounted or dismounted through mutual cooperation of a threaded rod, a threaded hole, a spring, a movable rod, a limiting groove and a protruding block.
Owner:SHUCHENG SHUXING MACHINERY CO LTD

Semiconductor rotary feeding and welding device

The invention relates to the field of semiconductor device manufacturing equipment, in particular to a semiconductor rotary feeding and welding device which comprises a rotary lifting table, a pressing mechanism, a first limiting table and a second limiting table. The rotary lifting table drives the two limiting tables to switch the contact state with the auxiliary positioning supporting table or the conductive positioning supporting table, and precise positioning and welding operation between the second semiconductor workpiece and the first workpiece are achieved in combination with the pressing mechanism. Meanwhile, the negative pressure adsorption function and the automatic reset performance are ensured through various structural designs such as an elastic piece, a piston cavity and a capillary channel, the assembly efficiency and precision are remarkably improved, and the problems of position deviation, poor electrical contact and the like possibly occurring in the welding process are effectively avoided. The purpose of improving the production quality and the working efficiency of the semiconductor element is achieved, and high reliability and practicability are achieved.
Owner:YOUGUANG INTELLIGENT SEMICON TECH (SHENZHEN) CO LTD

End face grinding device for railway bearing maintenance

The invention relates to the technical field of railway bearing maintenance, and particularly discloses an end face polishing device for railway bearing maintenance, which comprises a base, first sliding chutes, a sliding assembly, a positioning mechanism, a moving assembly, a polishing mechanism and a railway bearing outer ring, the positioning mechanism is arranged at the top end of the sliding assembly, and the moving assembly is arranged on the right side of the top end of the base. The device can monitor the abrasion state of the grinding wheel in real time, discover the out-of-round or excessive abrasion condition of the grinding wheel in time, and avoid the situation that the grinding quality is reduced or the bearing end face is damaged due to the irregular grinding wheel contour; meanwhile, the position of the grinding wheel can be dynamically adjusted according to the abrasion loss, stable contact pressure between the grinding wheel and the bearing end face is always kept, the problems of low grinding efficiency and poor contact caused by diameter reduction of the grinding wheel are effectively solved, and the grinding precision and the operation stability are remarkably improved.
Owner:北京宗合铁路轴承有限公司

Battery contact failure detecting device and method

A battery contact failure detecting device includes a battery including a plurality of battery cells; a connecting part including at least one of a busbar, a contactor, and a fuse and connects the battery cells to each other; a sensor configured to measure a current and a voltage of each of the battery cells; and a processor configured to count a number of abnormal occurrences based on the current and the voltage measured by the sensor to detect a contact failure of the battery cells due to a short circuit or open circuit of the connecting part.
Owner:SAMSUNG SDI CO LTD

Composite terminal

The composite terminal comprises a terminal body and a fixing sleeve, the terminal body comprises a welding part, a connecting part and a plugging part, the center of the plugging part is provided with a plugging hole, the center of the fixing sleeve is provided with a mounting through hole penetrating through the front end and the rear end of the fixing sleeve, and the plugging part is inserted into the mounting through hole to be welded and fixed to the fixing sleeve. The mounting through hole is communicated with the inserting hole, and the connecting part and the welding part are arranged on the outer side of the fixing sleeve. The composite terminal is simple in structure and rapid to install, a riveting wire part on the terminal body is omitted, a welding structure is adopted, the appearance of the terminal is simplified, the overall size of the terminal is reduced, a welding connection mode is adopted, the problem of mechanical stress relaxation is avoided, the vibration resistance and impact resistance are higher, and the service life of the terminal is prolonged. Stable transmission of electric signals is facilitated, and poor contact is avoided.
Owner:SHENGLAN TECH CO LTD

11-gear integrated AMT wire harness assembly

The utility model provides an 11-gear integrated AMT wire harness assembly which is used for solving the problems that a wire harness plug of an existing AMT wire harness is prone to loosening, the wire harness swings or is in poor contact under the complex road condition, and the technical problem that when the whole wire harness is installed in a transmission shell, maintenance operation is tedious when part of the wire harness breaks down. The wiring harness assembly comprises an external wiring harness assembly, an internal wiring harness assembly and a cylinder penetrating connector, and the external wiring harness assembly and the internal wiring harness assembly are designed in a split mode, are fixed to the exterior and the interior of a gearbox shell respectively and are connected through the cylinder penetrating connector; and the external wire harness group is easy to replace, so that the tedious steps of replacing the whole wire harness and disassembling the gearbox due to the damage of the external wire harness group are avoided.
Owner:SHAANXI FAST AUTO DRIVE GRP CO LTD

Control method and device of magnetic marine charging equipment, medium and controller

The invention provides a control method and device of charging equipment for a magnetic suction type ship, a medium and a controller, and aims to solve the problems that when an electric ship or a hybrid power ship is in shore for charging, a charging connecting device is prone to loosening, sealing failure, poor contact and the like due to stormy wave swing, and a magnetic suction fixing device is additionally arranged on the charging connecting device; the charging plug and the charging socket are firmly fixed through magnetic force, the stability and reliability of the charging process are remarkably improved, the charging failure caused by ship swing is effectively avoided, and the safety and efficiency of ship charging are guaranteed.
Owner:CSSC POWER INST CO LTD