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51results about How to "Avoid Electrical Failures" patented technology

Device and method for detecting automobile meter

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.
Owner:LAUNCH TECH CO LTD

Trip system of total residual current operated protector of distribution area and application method thereof

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.
Owner:WEINAN POWER SUPPLY BUREAU +2

Multifunctional intelligent pipeline blower

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.
Owner:KUNSHAN SILAIMU ENERGY SAVING TECH CO LTD

Semiconductor device and method for fabricating the same

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.
Owner:SOCIONEXT INC

Resistor, radiator and combined equipment of resistor and radiator

The invention discloses a resistor, a radiator and combined equipment of the resistor and the radiator, and belongs to the field of power electronics. The resistor is columnar in appearance and comprises a metal end, an insulation part, a shell, a metal bar, a resistance wire, thermally conductive insulating filler and a metal connecting mechanism, wherein the metal connecting mechanism of the resistor is connected with the radiator in a direct contact manner. By virtue of adoption of the structure and the connection manner, the length of the resistor can be reduced, and complete leakage isolation of an electrical loop of the resistor and a water inlet and outlet pipe of the radiator can be realized, so that the combined equipment of the resistor and the radiator is compacter in structure and tidier in connection.
Owner:NR ELECTRIC CO LTD +2

Fall protection and reverse-connection protection system and method for automobile starting power source wiring clamp

ActiveCN107069850AValid sense voltage conditionCheck voltage statusEmergency protection detectionElectric powerElectrical batteryFall protection
The invention provides a fall protection and reverse-connection protection system and method for automobile starting power source wiring clamp. The fall protection and reverse-connection protection system includes a system provided with an internal battery, a switch circuit, an access device, a wiring clamp, an MCU control circuit, an external battery detection and voltage sharing circuit, an output wiring clamp current detecting circuit and a reverse-connection protection circuit. The inner battery is connected to the access device through the switch circuit. The MCU control circuit is arranged at the front end of the switch circuit. The external battery detection and voltage sharing circuit is connected between the switch circuit and the access device. The access device is connected to the output wire clamp current detection circuit. The reverse-connection protection circuit is connected with the MCU control circuit. The invention also provides a fall protection and reverse-connection protection method for the automobile starting power source wiring clamp. Voltage condition of an external power source can be detected effectively and different operation actions can be taken according to the voltage condition of the external power source, so that normal starting is ensured.
Owner:DONGGUAN ZHONGKANG TECH ELECTRONICS CO LTD

Short rail type electric sectioning structure

The invention discloses a short rail type electric sectioning structure which comprises a first short rail, a second short rail, a corresponding first short rail and a corresponding section short rail, wherein the first short rail and the second short rail are separated from a contact rail on one inner side of a platform section, and the corresponding first short rail and the corresponding second short rail are separated from a contact rail on the other side. Electricity of each first short rail is supplied by a first direct current contactor, electricity of each second short rail is supplied by a second direct current contactor, the first short rail and the second short rail on each contact rail are in non-electric connection, the contact rail part except for the first short rail and the second short rail on each contact rail on the corresponding side are connected to power substations through cables respectively, and the power substations are connected with the first direct current contactors and the second direct current contactors on the contact rails of the corresponding sides through cables. The short rail type electric sectioning structure can uninterruptedly supply power to vehicles in normal operation, and when one power supplying section has electrical failure, the fact that adjacent power supplying sections can have electrical failure due to circuit conduction in the vehicles can be prevented.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

Integrated double-fed wind turbine carbon brush holder assembly

The invention discloses an integrated doubly-fed wind generator carbon brush holder assembly comprising an assembly support rack, a number of integrated carbon brush assemblies and an earthing brush holder assembly, wherein the integrated carbon brush assemblies and the earthing brush holder assembly are fixed on the assembly support rack, the assembly support rack comprises a first bending plate and a second bending plate, two support rods are arranged between the first bending plate and the second bending plate, two ends of each integrated carbon brush assembly are fixed on the support rods, the earthing brush holder assembly is fixed on the second bending plate, the second bending plate is provided with a number of support stand feet, the integrated carbon brush assemblies comprise a one-piece carbon brush, and one end of the one-piece carbon brush contacts with a surface of an electrically conducting ring. According to the integrated doubly-fed wind generator carbon brush holder assembly, the integrated carbon brush is used for replacing a multi-carbon brush combination structure of the prior art, and a problem of uneven pressure is solved; incidence rates of faults such as high temperature, sparking, burn of the surface of the electrically conducting ring and the like can be lowered; a structure of the assembly support rack produces fixing effects, and electrical faults caused by vibration can be prevented in a working state.
Owner:摩腾科技(上海)有限公司

Vehicle-mounted intermediate-frequency generator set

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.
Owner:XIANGYANG HANGLI ELECTROMECHANICAL TECH DEV

Motor assembly terminal stud device

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.
Owner:江苏锡安达防爆股份有限公司

Remote data monitoring unit for bucket wheel excavator

InactiveCN109709873AImprove communication and maintenanceAvoid Electrical FailuresProgramme controlComputer controlWork statusData monitoring
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.
Owner:DALIAN JIAOTONG UNIVERSITY

A kind of pneumatic current receiver at the lower part of the third rail

The invention provides a third-rail lower pneumatic current collector. Technical problems of the traditional three-rail lower pneumatic current collector for a rail transit vehicle that a plurality of cylinders are used, a plurality of gas circuits are arranged, the operation is complicated, the cost is high and the like are mainly solved. The third-rail lower pneumatic current collector is characterized by comprising a mounting back plate assembly(1), a cylinder crank connecting rod assembly(2), a tension spring assembly (3), a left flexible bearing seat (4), a right flexible bearing seat (7), an insulated swinging arm (5), a current collecting slip shoe (6), an upper insulated protective cover (8), a lower insulated protective cover (9) and the like, wherein the left flexible bearing seat (4) and the right flexible bearing seat (7) are connected with the swinging arm; and the current collecting slip shoe (6) is mounted on the swinging arm (5). As only one cylinder is needed to be connected with a shoe derailing crank assembly, the third-rail lower pneumatic current collector provided by the invention, is simply and reliably structured and convenient to operate and maintain. The third-rail lower pneumatic current collector provided by the invention can be widely applied tovarious three-rail current collectors for the rail transit vehiclesor used for improving the original current collectors.
Owner:湖南中通电气股份有限公司

Wireless isolation serial communication interface test system having voltage detection

InactiveCN105629104AAvoid Electrical FailuresReduced requirements for electrical characteristicsElectrical testingTransceiverTest protocol
The invention relates to a wireless isolation serial communication interface test system having voltage detection, and belongs to the technical field of an electrical communication interface test. The test system includes a data processing and displaying terminal, a test connector, and a wireless communication assembly connecting the data processing and displaying terminal and the test connector. The test connector is formed by a probe, a signal conditioning circuit, an AD sampling circuit, a local measuring algorithm, a serial port communication interface circuit, a anti-over-current driving circuit, a relay, and a data transceiver and test protocol. The over-voltage and over-current are avoided by employing the voltage detection. The wireless isolation realizes the separation of the test connector and terminals for signal detection and communication connection. The volume of the test connector decreases. The demand of the terminal electrical properties is reduced, and the on-site operation is convenient.
Owner:常州昊云工控科技有限公司

Multi-core parallel cable and manufacturing method therefor

The invention relates to a multi-core parallel cable and a manufacturing method therefor, and belongs to the technical field of power cables. The technical scheme of the invention are that a first main power cable core, a second main power cable core and a ground power cable core are closely arranged in parallel; the ground power cable core is disposed between the first and second main power cable cores; the first main power cable core, the second main power cable core and the ground power cable core form a power cable core; the power cable core is uniformly wrapped by a protection layer (5) in an extruding manner, thereby forming a multi-core parallel cable. The flat overall structure design of the cable enable the cable to be installed and laid in a neat and ordered manner, and prevents the crossing and messing of cables from causing the laying of other cables to be inconvenient. Meanwhile, the main ground lines are arranged at intervals, thereby guaranteeing the electrical safety of the insulating cable core, and avoiding an electrical fault caused by the adjacent cable cores with the thin insulating layers. An 8-like shape design enables the thickness of the external protection layer to be more uniform and consistent, and reduces the manufacture cost.
Owner:HEBEI HUATONG WIRES & CABLES GRP CO LTD

LED streetlamp capable of improving heat dissipation of driving power source

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.
Owner:杭州电泰实业有限公司 +1

Winding mechanism

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.
Owner:江苏绿港现代农业发展股份有限公司

Coffee machine and stuffy steaming and brewing control method thereof

InactiveCN111588268ASteaming is convenientConvenient steamingBeverage vesselsData displayControl system
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.
Owner:SIMOUS HOME APPLIANCE TECH

Quick power taking socket with locking mechanism

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.
Owner:鲁艺中电(杭州)能源技术有限公司

Cooperative three-station extrusion-forging forming equipment

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.
Owner:SUZHOU SANJI FOUNDRY EQUIP

Frequency conversion energy saving generating set

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.
Owner:XIANGYANG HANGLI ELECTROMECHANICAL TECH DEV

Power distribution cabinet

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.
Owner:EMERSON NETWORK POWER CO LTD

Contactor box of pure electric rail locomotive

The invention discloses a contactor box of a pure electric railway locomotive. The contactor box comprises a box body, wherein at least two circuit spaces independent to each other are arranged in thebox body; the circuit spaces are separated by an insulating isolation board; branch battery system circuits are arranged in the circuit spaces; and each of the branch battery system circuits is positioned in a positive electrode circuit or a negative electrode circuit. The contactor box of the pure electric railway locomotive achieves the purposes of realizing electrical safety isolation withoutmutual influence through the separate and independent installation of the positive electrode and negative electrode contactor boxes, functionally realizing the independent breaking control of the positive and negative electrode circuits of a battery system, and providing sufficient safety protection for the battery system in the event of faults.
Owner:CRRC ZIYANG CO LTD

Intelligent safety bus monitoring system

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.
Owner:安徽实运信息科技有限责任公司

Three-hole carbon brush box apparatus of high-power wind power generator

PendingCN107124063APlay the role of main body fixationPlay a protective roleSupports/enclosures/casingsEngineeringBrush
The invention discloses a three-hole carbon brush box apparatus of a high-power wind power generator. According to the technical main points, the three-hole carbon brush box apparatus comprises a brush box body, a carbon brush, a compression spring and a contact alarm switch; the brush box body is an integrated brush box; screw thread mounting holes are formed in the two sides of the integrated brush box respectively; three square openings used for placing the carbon brush are formed in the integrated brush box; the compression spring is an integrated constant compression spring; the contact alarm switch is fixed on the integrated brush box; grooves are formed in the other side of the integrated brush box; and the integrated constant compression spring is arranged in the grooves in a pressing manner. The three-hole carbon brush box apparatus has the advantages as follows: the brush box achieves a main body fixation effect; the constant compression spring is inserted in the grooves in one side of the brush box for playing a role of conveying pressure to the carbon brush; the contact alarm switch is fixed on one side of the brush box to play a role of giving out an alarm when the normal service life limit of the carbon brush is reached so as to remind an operator to replace the carbon brush in time, thereby protecting the whole system and avoiding occurrence of electrical faults.
Owner:摩腾科技(上海)有限公司

Multifunctional intelligent duct fan

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.
Owner:KUNSHAN SILAIMU ENERGY SAVING TECH CO LTD

Belt conveyor emergency stop operating device

The invention relates to a belt machine emergency stop operation device and belongs to the field of belt conveyors. The belt machine emergency stop operation device comprises an emergency stop switch, a belt passage corridor, a belt machine and a wiring device, wherein the belt machine is arranged in the belt passage corridor and extends along the length direction of the belt passage corridor; the emergency stop switch fixed at the top end of the belt passage corridor comprises a switch body, a pedestal, a pull rod and stay wires; the switch body is a normally open or normally closed contact; the switch body and the stay wires are fixed at the top end of the belt passage corridor through the pedestal; the pull rod is rotatably connected with the switch body and drives the switch body to switch on or off a control loop; the stay wires are arranged on the two sides of the belt machine correspondingly and extend along the length direction of the belt passage corridor; the stay wires which are arranged on the two sides of the belt machine correspondingly and are in driving connection with the pull rod covers channels on the two sides of the belt machine; and when the belt machine encounters failure, an operator can operate the stay wires on any side, so that shutdown of the belt machine is realized timely and quickly and the safe reliability of the belt machine is improved.
Owner:TIDFORE HEAVY IND

Medium-voltage switch cabinet and power distribution system

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.
Owner:S Y TECH ENG & CONSTR CO LTD
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