49results about How to "Avoid Electrical Failures" patented technology

The invention discloses a device and a method for detecting automobile meter. The method comprises that S1, a microprocessor generates control instructions according to an automobile model of a meter table to be detected and sends the control instructions to a signal generator; S2, the signal generator generates a meter detection analog signal source correspondingly and sends the signal source to the meter table to be detected through a communication interface; S3, the meter table to be detected operates according to the input analog signal source and feeds an operation result back to the meter table to be detected; and S4, the microprocessor displays the operation result correspondingly. By means of the device and method for detecting automobile meter, the automobile meter can be detected comprehensively, the detection process can be performed before the automobile is assembled on a whole automobile, defective parts can be found as early as possible, and accordingly, electrical failures of the automobile, which are caused by assembly of defective parts, are prevented effectively.

The invention discloses a trip system of a total residual current operated protector of a distribution area and an application method thereof. The system comprises: an intelligent distribution terminal, which is in bidirectional connection with a master station through a remote communication network; a plurality of collectors; a trunk line; a branch line; protectors, which are arranged on the trunk line and the branch line, wherein the plurality of collectors are in series connection with the protectors. The collectors are connected with the intelligent distribution terminal through a local communication network. And a user terminal is connected with an end of the branch line. According to a technical scheme provided in the invention, the electric power maintainer can have clear purposiveness and pertinency and all branch lines can be cut off accurately, so that a problem that a general protector can not be closed can be solved; meanwhile, a switching frequency of the general protector can be substantially reduced; the number of inconvenience for a normal life of a user can be reduced; and occurrences of mechanical or electrical faults in the protector can be avoided; therefore, security of a power grid can be improved.

The invention discloses a multifunctional intelligent pipeline blower. The multifunctional intelligent pipeline blower comprises an air inlet pipeline, a working shell and an air outlet pipeline. Theair inlet pipeline and the air outlet pipeline communicate with the left and right sidewalls of the working shell correspondingly. The outer end of the air inlet pipeline is provided with a netted cover plate, an air inlet and a reset spring arranged at the air inlet and abutting against the cover plate. The cover plate can cover the air inlet. A filter screen is arranged at the inner end of the air inlet pipeline. The filter screen is fixedly connected with the inner wall of the air inlet pipeline in the circumferential direction. The multifunctional intelligent pipeline blower further comprises an electric cylinder. A telescopic shaft of the electric cylinder is connected with one end of a pull rope, and the other end of the pull rope is connected with the inner surface of the cover plate. An infrared sensor array is arranged in the center of the filter screen. The inner wall of the air outlet pipeline is provided with a temperature sensor and a humidity sensor. The working shell comprises a shell body and a controller arranged on the shell body. The shell body comprises an inner wall and an outer wall. An electric heating resistance wire and a sound reduction board are distributed in a cavity between the inner wall and the outer wall in sequence. The multifunctional intelligent pipeline blower is good in automation level, capable of improving the ventilation environment, controllable in temperature and humidity and good in data observation effect.

A semiconductor device includes a semiconductor element placed over a substrate, a heat conducting material placed over the semiconductor element, and a radiator placed over the heat conducting material. The radiator has a plurality of projections which are arranged outside a region opposite to the semiconductor element and which protrude toward the substrate. Even if the heat conducting material flows out from over the semiconductor element at fabrication time, the heat conducting material which flows out is made by the plurality of projections to adhere to and spread along the radiator. As a result, the outflow or scattering of the heat conducting material toward the substrate or an electric trouble caused by it is prevented.

A passive side baffle of a platform door comprises a sliding door fixing plate (1) fixed to a sliding door (9), a baffle body (2) hinged to the sliding door fixing plate (1), a door beam fixing plate(3), a door beam guide rail (4) and a rolling shaft (5) matched with the door beam guide rail (4) to slide, wherein the door beam fixing plate (3) and the door beam guide rail (4) are fixed below a sliding door beam; the door beam guide rail (4) is provided with a straight line section (41) parallel to the sliding direction of the sliding door (9) and a bent section (42) obliquely extending towards the platform side along the end part of the straight line section; and the rolling shaft (5) is hinged with the baffle body (2) through a hinge. The passive side baffle of the platform door can be pulled to be opened outwards or retracted inwards along with opening or closing of the sliding door, passengers or objects can be prevented from accidentally falling into a gap between the platform door and a train, and scratching between the train and the baffle of the platform door can also be avoided.

Provided is a vehicle-mounted intermediate-frequency generator set. An intermediate-frequency brushless alternating-current generator is mounted on the end portion of a seam allowance flange plate of an air-cooled high-speed diesel engine through a flange plate. The air-cooled high-speed diesel engine is mounted on a generator set base and is in transmission connection with the intermediate-frequency brushless alternating-current generator through a spline flexible shaft. According to the vehicle-mounted intermediate-frequency generator set, the intermediate-frequency brushless alternating-current generator and the air-cooled high-speed diesel engine are assembled to form a whole so that a mechanical failure can be effectively avoided, the occupied area of the generator set is substantially reduced, and the size of the generator set is further reduced; a rotor of the intermediate-frequency brushless alternating-current generator is not provided with a winding and a rectifying element so that an electrical failure can be avoided; and an inverter is not needed for conversion and power supply, instead, the intermediate-frequency brushless alternating-current generator directly supplies power to the outside, and therefore high-quality power supply is guaranteed. The vehicle-mounted intermediate-frequency generator set is compact in structure, simple and convenient to operate, stable in performance, high in power supply quality, long in service life and suitable for all kinds of field engineering operation in various complex geographical environments with climate and temperature changes.

The invention provides a motor assembly terminal stud device which relates to the technical field of mechanical process equipment. The motor assembly terminal stud device is used for motor manufacture and repair. The motor assembly terminal stud device is formed by four plates which comprise an inverted '7'-shaped plate (1), a '7'-shaped plate (2), and two '1'-shaped plates (3). The inverted '7'-shaped plate (1) and the '7'-shaped plate (2) are fixed to a base wire out seat. The '1'-shaped plates (3) clamp wiring bolts from side faces. Through semicircular holes, the wiring bolts are clamped from the side faces to maintain a vertical state, a mounting plate with an insulation sleeve sleeves the wiring bolts in the vertical state, pressing nuts are screwed, pulling bolts is disassembled and plates are orderly removed from the side faces, the mounting plate with an insulation sleeve and the base wire out seat are installed in a cooperative way, the wiring bolts are assembled to required positions and are pressed to the mounting plate with the insulation sleeve by using the pressing nuts, and the assembly of the wiring bolts is completed.

The invention relates to the technical field of a bucket wheel excavator and discloses a remote data monitoring unit for the bucket wheel excavator. The remote data monitoring unit is used for receiving and forwarding work status data of the bucket wheel excavator, the remote data monitoring unit includes a CANOPEN secondary station unit and a GPRS data unit, wherein the CANOPEN secondary stationunit is used for completing data receiving with a main station PLC and collecting the work data information of the bucket wheel excavator, and the GPRS data unit is used for realizing remote forwarding of the work status data. The remote data monitoring unit is advantaged in that a problem that operation faults of the bucket wheel excavator can not be timely solved is solved, manufacturer's technical and maintenance personnel can timely know the current mechanical working conditions, the machine faults can be effectively prevented, and service efficiency of the bucket wheel excavator is improved.

The invention discloses a wire protection tube for equipment used in the wet process of printed circuit boards. The wires of the equipment used in the wet process of printed circuit boards are covered with protective tubes. The initial section of the protective tube is curved upwards, so that the protective tube can Effectively prevent the liquid from entering the protective tube, and the lowest part of the entire protective tube is provided with a water outlet, so that even if there is liquid in the protective tube, it can also be discharged from the water outlet. Therefore, the wire protection of the equipment used in the wet process of printed circuit boards The tube can effectively avoid electrical faults and safety accidents, and has a simple structure and is easy to implement.

The invention provides an LED streetlamp capable of improving the heat dissipation potential of a driving power source. The LED streetlamp comprises an aluminum extrusion lamp housing integrated radiator, a driving power source radiator of a cover overturning structure, a waterproof power source radiator front cover, an LED driving power source, a light source module and the like. The LED driving power source is provided with a power source radiator with radiating fins in a close contact mode, the heat dissipation of the power source in the working process is improved depending on the expanded area of the radiator, and the service life of the streetlamp is prolonged. The power source radiator is of an inverted-U-shaped structure and is embedded into fins of the lamp housing integrated radiator; combining with the power source radiator front cover, exposed electrical parts of the LED streetlamp are covered from the top, the electrical parts of the LED streetlamp are prevented from rainwater pouring and sunshine radiation, and the risk of ageing and flooding water of parts of the electrical parts is lowered. Meanwhile, the power source radiator is of the cover overturning structure, can be overturned backwards by more than 90 degrees and can be supported by a lamp pole, so that installation construction and post-maintenance of the LED streetlamp are facilitated.

The invention relates to a winding mechanism, and belongs to the technical field of automatic line pulling and line retraction. The problems are solved that in the prior art, the winding bottleneck speed is 800 r/min, and an electric slip ring and electric elements are easily damaged; according to the adopted technical scheme, the winding mechanism comprises a bearing base, a main shaft, a synchronous belt wheel, a line passing mechanism, a first through hole, a second through hole and third through holes, the first through hole is formed in the axis of the main shaft, and the synchronous beltwheel sleeves the main shaft through key jointing; the main shaft is rotatably supported in the bearing base, one end of the main shaft is fixedly connected with the line passing mechanism, one end of the line passing mechanism is provided with the second through hole communicated with the first through hole, and the other end of the line passing mechanism is provided with the third through holes. The winding mechanism is simple in structure, high in stability and low in vibration degree.

The invention relates to the technical field of coffee machines. The invention relates to a coffee machine and a stuffy steaming and brewing control method thereof. The coffee machine comprises an outer shell, a heating plate is fixedly arranged at the lower part in the outer shell, a brewing tank is arranged at the upper end of the heating plate, an electric heater is fixedly arranged at the bottom end of the heating plate, a control bin and a power bin which are arranged on the two sides of the storage bin correspondingly are fixedly arranged at the upper end in the outer shell, a data display unit, a control unit, a processor and a signal transmission unit are fixedly arranged in the control bin, a power supply is fixedly arranged in the power bin, a circuit protector electrically connected with the power supply is fixedly arranged in the middle of the inner side of the outer shell, and a small display screen in signal connection with the data display unit is arranged on the front side face of the outer shell. According to the coffee machine, an integrated control system is adopted, coffee stuffy steaming and brewing are more convenient, brewing time is autonomously preset through one-key setting, use is more convenient and faster, and the coffee brewing taste is better.

The invention relates to a quick power taking socket with a locking mechanism. The quick power taking socket comprises a shell, a power taking and transmitting mechanism and the locking mechanism, wherein the power taking and transmitting mechanism and the locking mechanism are arranged in the shell, the shell comprises a socket upper cover and a socket lower cover which are buckled together; thepower taking and transmitting mechanism comprises a zero line pricking pin, a ground wire pricking pin, a live wire pricking pin and a contact piece matched with the live wire pricking pin for use, which are arranged in the socket lower cover; the locking mechanism comprises a locking buckle, a locking screw, a positioning block and a locking fixing cover, the locking fixing cover is connected tothe bottom end of the locking buckle in a clamped mode, the locking screw is connected to the middle of the locking buckle in a threaded mode, the positioning block is rotationally connected with thebottom of the locking screw, and the locking screw penetrates through the locking buckle and forms a spiral ascending mechanism with the locking buckle through the positioning block. The quick power taking socket has the advantages of quick wiring and power taking, simple construction, low possibility of deformation and loosening and the like.

The invention relates to cooperative three-station extrusion-forging forming equipment which comprises an extrusion-forging station unit as well as mold opening and workpiece picking units, wherein the mold opening and workpiece picking units are symmetrically arranged on two sides of the extrusion-forging station unit; the bottoms of tiebars of the extrusion-forging station unit are fixed on a head plate and penetrate through a middle plate; mold locking cylinder assemblies are mounted at four corners of the middle plate; a forging cylinder assembly is mounted at the central position of the middle plate; settlement tables I are arranged on middle guide rails on the head plate; lifting oil cylinders I are in drive connection with the settlement tables I; an extrusion system is arranged below the head plate; mold opening mechanisms are mounted on working platforms of the mold opening and workpiece picking units; lateral guiding rails are laid on the working platforms; settlement tablesII are arranged on the lateral guide rails; lifting oil cylinders II are in drive connection with the settlement tables II, and used for placing mold trolleys of molds on the lateral guide rails; andlinear driving units are in drive connection with the mold trolleys, and used for driving the mold trolleys to perform reciprocating motion on the lateral guide rails and the middle guide rails. Through the left and right linear driving units, the molds can move back and forth between one extrusion-forging station as well as two mold opening and workpiece picking stations, thereby achieving the cooperation between the extrusion-forging station as well as the mold opening and workpiece picking stations.

The invention relates to a frequency conversion energy saving generating set. The frequency conversion energy saving generating set includes a signal conversion unit, a PLC module, and a speed regulation controller, wherein the signal conversion unit detects the electrical load state in real time and feed back the electrical load state to the PLC module; the PLC module receives the information of the signal conversion unit, and sending a real-time speed regulation signal to the speed regulation controller after intelligent logic operation rotating speed value of load rotating speed optimal oil consumption; the speed regulation controller receives a real-time speed regulation control signal of the PLC module and the feedback about the real-time state detection of the rotating speed from a rotating speed sensor, and provides electric excitation drive for a speed regulation driver through a PID control algorithm so as to regulate the rotating speed of an engine in real time. The frequency conversion energy saving generating set can realize intelligent speed regulation following changing of electrical load, so that the utilization efficiency of fuel oil of the generating set during the practical using process is improved. Besides, by means of speed regulation control, the engine is regulated in real time in different corresponding rotating speed during the operating process, so that the generating set can achieve the maximum economization of fuel oil consumption of the rotating speed required by different load when the generating set is in different electrical load state.

The invention relates to the technical field of electrical equipment, and discloses a power distribution cabinet. The power distribution cabinet comprises a first cabinet body, an isolation transformer positioned in the first cabinet body, a plurality of branch modules which are electrically connected with the isolation transformer, output branch mutual-inductance modules which correspond to the branch modules and induce the output currents of the branch modules, and a monitoring module which is electrically connected with the output branch mutual-inductance modules, wherein the isolation transformer comprises at least one output connection terminal, and each output connection terminal can be electrically connected with the corresponding standby branch module; the monitoring module is provided with signal-wire adapter sockets corresponding to the output connection terminals, each signal-wire adapter socket can be electrically connected with the corresponding standby output branch mutual-inductance module, and each standby output branch mutual-inductance module induces the output current of the corresponding standby branch module. Because at least one output connection terminal is reserved on the isolation transformer, and is provided with corresponding signal-wire adapter sockets, capacity expanding of a power utilization system is convenient, and the cost of capacity expansion is reduced.

The invention discloses an intelligent safety bus monitoring system comprising a vehicle data server, a remote monitoring terminal and a plurality of vehicle detection terminals. The vehicle detection terminals are used for detecting environmental parameters in buses, the number personnel in buses, and equipment safety situations of the buses and sending the detected data information to the vehicle data server; the vehicle data server receives data information sent by the plurality of vehicle detection terminals; and the management staff obtains information in the vehicle data server by the remote monitoring terminal connected to the vehicle data server. The vehicle detection terminals consist of temperature and humidity detection modules, speed detection modules, positioning modules, electrical equipment detection modules, personnel number statistics modules, control modules and wireless communication modules. According to the invention, the system has functions of vehicle detection and monitoring and is capable of detecting safety of vehicles, so that the vehicle fault occurrence probability is reduced, and the personnel safety is improved; and the vehicle management efficiency by the management staff is increased.

The invention relates to the technical field of power distribution, and discloses a medium-voltage switch cabinet and a power distribution system. The medium-voltage switch cabinet comprises a switch cabinet, a bus chamber, a switch chamber and a cable chamber which are mutually independent are arranged in the switch cabinet, an environment factor detection module is arranged in at least one chamber, and the environment factor detection module is used for detecting whether indoor environment factors are abnormal or not; and the medium-voltage switch cabinet also comprises an alarm module, and the alarm module is connected with the environment factor detection module and is used for giving an alarm when the environment factors are abnormal. According to the medium-voltage switch cabinet, through cooperation of the environmental factor detection module and the alarm module, an alarm can be given when an early cause of an electrical fault exists in a room, so that an operator can find the fault cause very early, maintain the fault cause in time and prevent the fault cause from being evolved into the electrical fault, and the probability of the electrical fault can be reduced. Meanwhile, the medium-voltage switch cabinet can reduce the risks of equipment damage, power failure, production halt, disordered life order and the like, so that the continuity and reliability of power supply can be improved.