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72results about How to "Easy wiring installation" patented technology

Multi-channel raceway

InactiveUS6972367B2Resistant to tamperingResistant to accidental openingSubstation/switching arrangement detailsBuilding componentsLow voltageEngineering
A modular raceway system for any combination of high voltage power lines and low voltage data communication lines uses a combination hinge-latch cover member and a single piece base member. The system incorporates an elliptical profile and eliminates conventional sidewalls, and presents the hinge-latch mechanism to releasably secure a cover member in a snap-lock manner to the base member.
Owner:HELLERMANNTYTON CORP

Spinning defective cloth detection camera and detection system thereof

The invention provides a spinning defective cloth detection camera which comprises an optical imaging assembly, an imaging sensor, a processor, a data storage device, a program storage device, a communication module, a buzzer and an output control interface. The optical imaging assembly is connected with the imaging sensor. The imaging sensor, the data storage device, the program storage device, the communication module, the buzzer and the output control interface are respectively connected with the processor. The camera is used for quality decision in an online testing process, an alarm process, a control process and a finished product inspection process of continuous production processes of textile industry. Different from an industrial camera and a general camera, the spinning defective cloth detection camera is reliable in detection and simple in installation. Further provided is a detection system of the spinning defective cloth detection camera. According to the facts that the defective cloth detection function is contained in the camera and image recognition technology and intelligent algorithm of the image recognition technology are matched, the spinning defective cloth detection camera effectively improves defective cloth recognition accuracy and production efficiency.
Owner:福州科迪电子技术有限公司

Small circuit breaker with protection of electric leakage, overload and short circuit

The invention relates to a small circuit breaker with protection of electric leakage, overload and short circuit. The small circuit breaker mainly solves the problem that the existing double-wire small circuit breaker has poor tripping flexibility when in electric leakage and is characterized in that the coil frame (14) is arranged on the position of a lower shell (3) corresponding to a trip (9);a locking fastener (8) is provided with a baffle plate (20) corresponding to an inner top needle (18) of the coil frame (14); and a rotating shaft (28) of the trip (9) is arranged between the coil frame (14) and an upper shell (1). The small circuit breaker with protection of electric leakage, overload and short circuit improves the sensitivity of leakage tripping under the condition without changing the appearance structure and size of the shell of the original small circuit breaker. In addition, the small circuit breaker changes the shape of an arc extinguish chamber, improves arc extinguishperformance, further improves breaking capability of the circuit breaker, and is characterized by compact structure, high sensitivity of leakage tripping and high breaking capability.
Owner:方华朋

Grinding equipment and grinding method

The invention discloses grinding equipment and a grinding method. The grinding equipment and the grinding method aim at solving the problems that at present, manpower is mainly adopted to grind a pot billet, consequently, operation efficiency is low, the requirement of an existing grinding device for the position of the pot billet is low, and certain limitation exists. The grinding equipment comprises a grinding mechanism and a control system; and the grinding mechanism comprises a grinding support, a first supporting rod, a second supporting rod, a first telescopic arm, a second telescopic arm, a third supporting rod, a grinding wheel and a grinding wheel driving device. One end of the first supporting rod is movably connected with the grinding support, and the first supporting rod can rotate relative to the grinding support; and the other end of the first supporting rod is movably connected with the second supporting rod. According to the grinding equipment, the automatic grinding requirement for workpieces with different sizes can be met, the extremely-high adaption is achieved, the grinding quality is good, efficiency is high, the production period is short, the cost is low, the good application prospect is achieved, and the equipment is worth applying and popularizing in a large-scale manner.
Owner:SICHUAN FUDE ROBOT

Independent jet flow internal cooling grinding wheel

The invention discloses an independent jet flow internal cooling grinding wheel. The grinding wheel comprises a grinding wheel body, and a grinding part; the grinding wheel body is opened downwards toform an inner cavity; a connecting part is arranged at the upper end of the grinding wheel body, the connecting part is connected with a cutter handle of a grinding machine, the grinding part is arranged on the bottom of the grinding wheel body, the grinding wheel further comprises a spraying device, the spraying device is arranged on the top of the inner cavity of the grinding wheel body and comprises a spraying cavity, a cavity pressure applying module, a liquid inlet, and a liquid spraying opening, the spraying cavity is of a cavity structure, and is arranged on the top of the inner cavityof the grinding wheel body, the cavity pressure applying module is arranged in the spraying cavity and is located on the top of the spraying cavity, the liquid inlet is formed in the spraying cavity,and communicates with a cooling liquid supply part, the liquid spraying opening is formed in the spraying cavity, the liquid spraying opening communicates with the inner cavity of the grinding wheelbody and the spraying cavity, the liquid spraying opening points to the grinding machining face, and cooling liquid is sprayed to the grinding machining face through the spraying opening. The problemsthat a traditional internal cooling type grinding wheel internal runner is difficult to machine, the machining cost is high, and the maximum spraying speed is limited are solved.
Owner:XIANGTAN UNIV

Switch cabinet

The invention provides a switch cabinet comprising a bus room, an instrument room, a mechanism room, a cable room, a switch room and a pressure-releasing channel. The front cabinet of the switch cabinet is formed by the instrument room, the mechanism room and the cable room. The rear cabinet of the switch cabinet is formed by the bus room, the switch room and the pressure-releasing channel. The switch room is internally provided with, from the top to the bottom in turn, an upper inlet wire insulator group, a circuit breaker assembly, a grounding switch and a lower outlet wire insulator group. Function room areas in the front cabinet and the rear cabinet are distributed in a step way. The circuit breaker assembly comprises a supporting frame, a circuit breaker, an operation member and a sealing member. When the circuit breaker assembly is arranged in the switch cabinet, the switch room is sealed by the sealing member. The circuit breaker assembly can be moved out of the switch room and the mechanism room by the supporting frame to be detected and maintained. The switch cabinet has advantages of a fixed cabinet, a mid-arranged type handcart cabinet and an inflation cabinet, integral units and buses are designed in a modularized way, and installation and maintenance are safe and simple.
Owner:HUNAN GUOAO POWER EQUIP

Straight-line multipath fuse box

The invention discloses a straight-line multipath fuse box. The technical problems that the number of fuses connected into an exiting PCB type fuse box is limited, mounting and maintenance are inconvenient, and the size is large are solved. The straight-line multipath fuse box comprises a box body and a PCB arranged in the box body, the PCB comprises an upper board body and a lower board body, at least one input copper row is arranged on the back face of the upper board body, the positions, on the two sides of a circuit connecting segment of each input copper row, of the front face of the upper board body are each provided with a row of fuse slots, and the vertical distances between the fuse slots and the input copper rows are equal. Wiring harness access ends are arranged on the front face of the upper board body. The box body comprises a bottom board and a panel which are buckled. Fuse inserting openings are formed in the positions, corresponding to the fuse slots, of the panel, and wiring harness ports are arranged at the positions, corresponding to the wiring harness access ends, of the panel. The straight-line multipath fuse box has the advantages that the number of integrated fuse paths is large, the performance of the fuse box is excellent, the size is small, and wiring, mounting and fault maintenance are very convenient.
Owner:XINXIANG GUANGMING ELECTRIC APPLIANCE CO LTD

High-temperature superconducting binary current lead based on conduction cooling

The invention provides a conduction cooling type high-temperature superconducting binary current lead which is simple in process and convenient to install, and particularly relates to a structure of the high-temperature superconducting binary current lead. The whole high-temperature superconducting binary current lead comprises an indoor temperature copper connector, a copper lead section, a connection transition section, a superconducting combination section and a low temperature copper connector, and is characterized in that a two-stage refrigerating machine is adopted for the whole current lead for conduction cooling, the structure is simple, the cooling effect is good, and installation is convenient. Meanwhile, the conduction cooling type high-temperature superconducting binary current lead is wider in application range relative to gas cooling, for example, the conduction cooling type high-temperature superconducting binary current lead can be applied to a superconducting fan. The superconducting combination section of the current lead is formed by welding finished superconducting strips and a copper braided strap, the current lead can be obtained by increasing or decreasing the number of the superconducting strips in parallel connection according to the demands of users for the magnitude of currents, machining and installation processes are simplified, materials are saved, and cost of the lead is saved.
Owner:中国东方电气集团有限公司

Automatic watt-hour meter lead-sealing bolt aligning system

The invention discloses an automatic watt-hour meter lead-sealing screw aligning system which comprises a three-coordinate movement component, an image identification component, a screw turning machine and a controller, wherein the three-coordinate movement component comprises a motor, an X-axis manipulator, a Y-axis manipulator and a Z-axis manipulator; the X-axis manipulator, the Y-axis manipulator and the Z-axis manipulator are connected with the motor respectively; the image identification component is used for acquiring a position coordinate signal of a to-be-detected object; the position coordinate signal is input to the controller; the controller is used for generating a control signal for controlling the motor according to the position coordinate signal; and the screw turning machine is connected with the controller, is used for driving a screw to rotate and is suitable for tightening and aligning the screw. According to the automatic watt-hour meter lead-sealing screw aligning system provided by the invention, a position signal of a screw hole is acquired by virtue of a position model and image identification, the aligning operation is realized through the movement of moving mechanical components in three-dimensional space, and the control precision is greatly improved through application of an automatic hybrid force-position control technology. Based on the optical properties of a triangular prism, a two-dimensional positioning signal is acquired by a camera, so that the mechanism is simplified and the equipment cost is reduced.
Owner:STATE GRID CHONGQING ELECTRIC POWER CO ELECTRIC POWER RES INST +2

Sealed type switch cabinet

The invention provides a sealed type switch cabinet. The sealed type switch cabinet comprises a bus chamber, an instrument chamber, a mechanism chamber, a cable chamber, a switch chamber and a pressure release channel. The instrument chamber, the mechanism chamber and the cable chamber constitute a front cabinet of the sealed type switch cabinet; the bus chamber, the switch chamber and the pressure release channel constitute a rear cabinet of the sealed type switch cabinet; the switch cabinet is successively provided with an upper wire inlet insulator set, a breaker assembly, a grounding switch and a lower wire outlet insulator set from the top to the bottom; each function chamber in the front cabinet and the rear cabinet are distributed in a stepped mode; the breaker assembly comprises a support, a breaker, an operation member and a sealing member; when the breaker assembly is disposed in the sealed type switch cabinet, the sealing member encloses the switch chamber; and the support can remove the breaker assembly out of the switch chamber and the mechanism chamber for detection and maintenance. The sealed type switch cabinet has the advantages of a fixation cabinet, a built-in handcart cabinet and an inflation cabinet, modularization design of an overall unit and a bus is realized, and the installation and maintenance are safe and simple.
Owner:袁茂银

Laser ignition device of single fiber structure

The invention discloses a laser ignition device of a single fiber structure and relates to the technical field of semi-conductor lasers. The laser ignition device comprises a novel ignition controller and a laser detonator which are connected through a single fiber optical cable, wherein the novel ignition controller comprises at least one group of a laser and a detector which are separately connected with an optical fiber circulator; each laser is connected with the incidence end of the corresponding optical fiber circulator; each detector is connected with the exit end of the corresponding optical fiber circulator; the single fiber optical cable is connected with the incidence and exit ends of the optical fiber circulators; the novel ignition controller also comprises a driving controller which is connected with all the lasers and detectors. The single fiber optical cable is used for connecting the laser ignition device of the single fiber structure, the number of optical cables is reduced by half and the installation and the wiring of a multi-path ignition system are facilitated; a connection method is simple; the transmissivity and reflectivity of an optical membrane can be accurately controlled; the consistency of various paths of reflection light is relatively good during light path continuity measurement and the quantitative measurement on the light path continuity is facilitated.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Time frequency system in which host controls startup and shutdown of a plurality of extensions and control method

The invention discloses a time frequency system in which a host controls startup and shutdown of a plurality of extensions. The system comprises a time frequency host and n time frequency extensions.A first power module, a first time frequency cascading module, a first switch and a time frequency processing module are set in the time frequency host. A second power module, a second time frequencycascading module, a second switch and a time frequency expansion module are set in each time frequency extension. The first power module and the second power modules are connected with power suppliesat positions where the first power module and the second power modules are located through the first switch or the second switches. The first power module controls the startup and shutdown through thefirst switch. The first power module outputs main power to the time frequency processing module of the time frequency host and outputs auxiliary power and a power state to the first time frequency cascading module. The second power modules control the startup and shutdown through the second switches or remote startup and shutdown control signals output by the second time frequency cascading modules. According to the time frequency system in which the host controls the startup and shutdown of the plurality of extensions, the startup and shutdown can be controlled uniformly, the expandability is good, the host interface consumption is low, and the engineering wiring and installation are convenient.
Owner:NANJING PANDA ELECTRONICS +1

Monitoring, commanding and alarming system of subway station

The invention relates to a monitoring, commanding and alarming system of a subway station. The system is mainly and technically characterized by being composed of a security monitoring system, each station control center, branch control centers, a main monitoring and commanding center, a main monitoring center, an alarm receiving and handling center, help-seeking sites, emergent alarming devices and access control systems, wherein the security monitoring system comprises a constant focus camera, a high-definition intelligent camera and an integral gun-type network camera, and each station control center comprises a video matrix main machine, a television wall, a digital hard disc recording main machine, a database server and a monitoring management system large control main machine. The monitoring, commanding and alarming system utilizes an optical cable as a transmission medium and is provides with an optical terminal transmitter and an optical terminal receiver, and devices related to the help-seeking sites comprise the following modules: cameras, display screens, speakers, sound pick-ups and help-seeking buttons. According to the monitoring, commanding and alarming system of the subway station, disclosed by the invention, the design is reasonable, all systems can be linked, real-time processing of alarm information is realized, and the working efficiency of processing emergencies is greatly improved.
Owner:TIANJIN SILVER ARROW TECH

High/low-voltage cabinet convenient for installation and wiring

The invention discloses a high / low-voltage cabinet convenient for installation and wiring. The high / low-voltage cabinet comprises a cabinet body with an opening in the front end. A cabinet door is hinged to the opening of the cabinet body, and the bottom ends of the side walls of the cabinet body are provided with a wire inlet and a wire outlet for wires to enter and exit respectively. Corner pulleys for winding the wires are arranged at the wire inlet and the wire outlet. The upper ends of the wire inlet and the wire outlet are provided with a plurality of wire fixing clamps capable of fixingthe wires. A vertically arranged mounting plate is arranged in the cabinet body; and the mounting plate gets close to / away from the cabinet body under the action of a moving assembly. The moving assembly comprises a lead screw rotationally arranged on one side wall of the cabinet body, and the lead screw is in threaded connection with a nut base; the other side wall of the cabinet body is provided with a guide column, and the guide column is slidably connected with a sliding block; the mounting plate is fixed between the nut base and the sliding block; the mounting plate is provided with multiple layers of components; and the lower end of each layer of components is provided with a wire separating assembly, and the wire separating assemblies are fixed to the mounting plate. Wiring and installation of the high / low- voltage cabinet is facilitated.
Owner:江苏金和电气有限公司

Switch cabinet

Provided in the invention is a switch cabinet comprising a bus chamber, an instrument chamber, a mechanism chamber, a cable chamber, a switch chamber and a pressure relief channel. The instrument chamber, the mechanism chamber, and the cable chamber form a front cabinet of the switch cabinet; and the bus chamber, the switch chamber, and the pressure relief channel form a rear cabinet of the switch cabinet. An upper inlet wire insulator group, a circuit breaker assembly, a grounding switch and a lower outlet wire insulator group are arranged in the switch chamber successively from top to bottom. Besides, a temperature monitoring unit is also arranged at the switch. All functional chamber zones in the front cabinet and the rear cabinet are distributed in a stepped mode. The provided switch cabinet has advantages of a fixed cabinet, a mid-set handcart cabinet, and gas-insulated switchgear equipment; the overall unit and bus modularization design is employed; and the installation and maintenance become secure, simple, and convenient.
Owner:HUNAN GUOAO POWER EQUIP

Anti-harmonic-wave reactive compensation capacitor module apparatus

The invention relates to a reactive power compensator, especially to an anti-harmonic-wave reactive compensation capacitor module apparatus. The anti-harmonic-wave reactive compensation capacitor module apparatus comprises a breaker module, a current transformer module. A dynamic noncontact switch module, a reactor module, a harmonic wave protector module, a switch signal input terminal module, a compensation capacitor module and a heat dissipation fan, which are all connected together. Power factors of a system is increased, energy consumption is reduced, the voltage quality of a power grid is improved, equipment is stabilized to function, the electric quality is improved while the power supplying efficiency of a power grid is increased, and harmonic waves generated by a load can be effectively filtered. Therefore, harmonic waves of a low voltage distribution network for civil uses are inhibited within a national standard, harmonic wave currents are prevented from damaging power supplying equipment, and the electric quality of a low voltage distribution network for civil uses and the safety of the network are improved. Furthermore, the installing space of equipment is effectively saved, the equipment is made to have a concise internal structure and is convenient to maintain, the reactive compensation apparatus is improved in reliability and safety, and maintenance technical difficulties are minimized.
Owner:重庆瑞升康博电气有限公司

Overhaul device for elevator car roof

The invention discloses an overhaul device for an elevator car roof. The overhaul device for the elevator car roof comprises a box body (1), wherein a button (2) and an illumination lamp (3) are arranged above the box body (1); an emergency power supply (4) is arranged at one end of the box body (1); an auxiliary interphone (5) is arranged below the emergency power supply (4); a specially-shaped plug board (6) is arranged at the other end of the box body (1); a plurality of specially-shaped plug connectors (7) are arranged on the specially-shaped plug board (6); an installation support (8) is arranged on the upper part of one side of the box body (1); a cover plate (9) is arranged at the other side of the box body (1); a car roof installation plate (10) is arranged in the box body (1); and a car roof control plate (11) is arranged on the car roof installation plate (10). The overhaul device for the elevator car roof, which is disclosed by the invention, has the characteristics of integrating command control for the elevator, enabling the car roof to be not liable to short-circuit, and reducing the overhaul difficulty.
Owner:ZHEJIANG UNITED ELEVATOR

A cable line waterproofing device with a protective mechanism

The invention discloses a cable line waterproofing device with a protective mechanism, which includes a wiring box and a harness box, the inner edge wall of the circuit box is provided with a groove,and the right end of the inner upper wall of the circuit box is fixedly connected with a telescopic column through fitting and screws, The outer wall of the rotating shaft is fixedly connected with the coiling drum through the through-clamping, and the outer wall of the coiling drum is provided with a wire groove; the harness wire box is adhesively mounted on the left lower end of the bottom surface of the wire box, and the bottom end of the wire box is fitted with a cable interface; and the upper surface of the wire box is fitted with a top cover through a hinge and a screw. The cable line waterproofing device with the protective mechanism forms a telescopic structure through a chuck and a stretching flexible rod, The cable passes through the chuck, and the inner diameter of the chuck isadjusted according to the thickness of the bus cable to produce a certain binding force to the cable, and then the push-in rod is gently pushed inward so that the cable is not scattered too much, which is conducive to the sorting and sorting of the cable.
Owner:冯爱明

Intelligent monitoring device for residential fire

The invention discloses an intelligent monitoring device for residential fire and belongs to the technical field of intelligent fire monitoring devices. The intelligent monitoring device for the residential fire comprises a smoke transducer, a temperature sensor, a first A / D conversion module, a second A / D conversion module, a first signal amplification module, a second signal amplification module, a master control module, an alarming module, a circuit breaker driving module, a fire extinguishing device driving module and a ZigBee wireless transmitting module. The first signal amplification module and the second signal amplification module are the same in structure and each comprise a triode, a constant-current source circuit and a voltage and current conversion circuit. The intelligent monitoring device for the residential fire is high in monitoring accuracy, and the residential fire is reduced to the maximum degree.
Owner:WUXI TUONENG AUTOMATION TECH

Small-volume wireless temperature measuring module powered by battery

The invention belongs to a small-volume wireless temperature measuring module powered by a battery, which is characterized in that: pins 1-5 of an MSP430 ultralow-power-consumption processor (4) are respectively connected with pins 1-5 of a programming interface (2); pins 6,7 of the MSP430 ultra-low-power-consumption processor are connected with pins 1,2 of a configuration interface (1); a pin 9 of the MSP430 ultra-low-power-consumption processor is connected with a pin 1 of a DS18B20 digital temperature sensor (8); a pin 10 of the MSP430 ultra-low-power-consumption processor is connected with a pin 1 of a MOS temperature sensor power supply controller (7); pins 11-16 of the MSP430 ultra-low-power-consumption processor are respectively connected with pins 6-1 of a QRF-0600Zigbee wireless module (6); a pin 17 of the MSP430 ultra-low-power-consumption processor is connected with a pin 2 of a PMOS module power supply controller (5); a pin 18 of the MSP430 ultra-low-power-consumption processor is connected with an node of a lithium battery (3), a pin 1 of the PMOS module power supply controller (5) and a pin 2 of the PMOS temperature sensor power supply controller (7); and a pin 8 of the MSP430 ultra-low-power-consumption processor is grounded. The small-volume wireless temperature measuring module has advantages of: small volume, low power consumption, long maintenance-free operation time and convenient wiring and mounting. The small-volume wireless temperature measuring module can be mounted at high-voltage places, narrow places and rodent places. High production efficiency is realized. Manpower, material resource and accident are reduced.
Owner:DALIAN JIATE TECH

Mortar-free inside and outside wall brick

The invention relates to a heat insulating brick, in particular to a combined type hollow heat insulating brick used for inside and outside walls of a modern energy-saving building. The heat insulating brick comprises a hollow brick main body and is characterized in that side grooves, which are mutually embedded, are arranged on the left surface and the right surface of the hollow brick, and bulges and grooves which are mutually embedded, are arranged on the upper surface and the lower surface of the hollow brick. The mortar-free inside and outside wall brick of the technical scheme has simple structure, is easy to manufacture, has good heat-shielding performance, saves building cost and simultaneously can reduce the working procedure of the construction.
Owner:杨国平

Three-in-one vehicle-mounted DCDC integrated power supply

The invention relates to a three-in-one vehicle-mounted DCDC integrated power supply. The three-in-one vehicle-mounted DCDC integrated power supply has the advantages that the fuel cell controller, the fuel cell air compressor and the fuel cell engine of a vehicle-mounted fuel cell system are connected with three DC / DC converters, the three DC / DC converters share a same integrated port to be connected with a power battery and can simultaneously provide three power supplies of different power levels and different voltage ranges, the power supplies work synergistically and operate stably to satisfy different-power use requirements, overall vehicle wiring harness arrangement and assembling are facilitated, and the three-in-one vehicle-mounted DCDC integrated power supply is simple in structure, low in space occupation, capable of achieving wiring, convenient to control and operate, low in cost and capable of satisfying integrated design and intelligent control requirements.
Owner:WETOWN ELECTRIC GRP CO LTD

Track state vehicle-mounted detection system reliability evaluation test bed

ActiveCN112763242AEasy to control speedEvaluable reliabilityRailway vehicle testingBogieTrackway
The invention discloses a track state vehicle-mounted detection system reliability evaluation test bed, which comprises a railway track for testing, common defects and diseases on a real line are simulated on the railway track, and four track state simulation units including a track surface simulation unit, an inter-track local defect simulation unit, a sub-track failure simulation unit, a defect simulation unit, a steel rail abrasion simulation unit and a line geometric irregularity simulation unit are included. The four simulation units can be freely combined to simulate different real track states. A to-be-evaluated track state vehicle-mounted detection system is installed on the test bogie, the test bogie runs on the test bench under the traction of the driving device, and a closed-loop system is formed under the action of the recovery wheel. The detection condition of the track state is obtained through detection, data acquisition and information processing of the track state vehicle-mounted detection system, and the detection condition is compared with the set track state, so that the reliability of the track state vehicle-mounted detection system during low-speed operation of the bogie is evaluated. The method is of great significance to detection and maintenance of lines and safe operation of trains.
Owner:SOUTHWEST JIAOTONG UNIV

Control module adopting three-sampling-two-logic voting

PendingCN110080837ASolve the disadvantages of the voting methodLow costMachines/enginesSafety/regulatory devicesComputer moduleOpen contact
The invention discloses a control module adopting three-sampling-two-logic voting. The control module comprises a signal acquisition module, a voting module and a signal extension output module, wherein the signal acquisition module comprises IN1, IN2 and IN3, the IN1, the IN2 and the IN3 are three active signal input ports and three passive signal input ports, the two signals of the same serial number are connected with NMOS tubes, and the NMOS tubes are connected with a solid-state relay with a double-normally-open contact; the voting module comprises two mechanical relays with three contacts, and NMOS tubes are arranged on mechanical relays of the three contacts, and the two phases of the six contacts of the three solid-state relays are connected with each other to form a three-taking-two logic; and the signal expansion output module comprises a mechanical relay with two normally-open contacts. A plurality of problems of an I / O signal relay of a control protection system adopting the three-sampling-two-logic voting mode can be effectively solved, the cost of the system equipment can be saved, the installation, operation and maintenance is simple and convenient, and the workloadof line arranging and line checking is reduced.
Owner:DONGFANG ELECTRIC AUTOMATIC CONTROL ENG CO LTD

Three-phase load balancing electric power protection system and method for field tent hospital

The invention provides a three-phase load balancing electric power protection system for a field tent hospital. The three-phase load balancing electric power protection system belongs to the technicalfield of power supply and distribution of field tent hospitals, and comprises a generator set and a power distribution unit, wherein the power distribution unit comprises a power supply transfer boxand power distribution boxes, the power supply transfer box transfers electric power generated by the generator set to the power distribution boxes in tents, and the power distribution boxes convert athree-phase power supply into a single-phase power supply and a DC 24V power supply to be connected with electricity utilization equipment; and a power supply line in each power distribution box is provided with a phase sequence changeover switch, which can realize manual adjustment of three-phase load balancing. Through arranging a main controller in the power supply transfer box and arranging auxiliary controllers in the power distribution boxes, the three-phase load balancing electric power protection system realizes online automatic adjustment of three-phase loads; the three-phase load balancing electric power protection system adopts a full box group structure, thus is convenient for handling, airborne transportation and wiring; and the three-phase load balancing electric power protection system has the advantages of reliable performance and stable power supply, and meets the electricity utilization requirements of field tent hospitals in various centralized or decentralized deployment modes.
Owner:INST OF MEDICAL SUPPORT TECH OF ACAD OF SYST ENG OF ACAD OF MILITARY SCI

Intelligent water affair pump station management system

The invention discloses an intelligent water affair pump station management system, which belongs to the technical field of water affair management. The intelligent water affair pump station management system comprises a data acquisition and engineering control module, a cloud service platform and a workstation, wherein the data acquisition and engineering control module is used for controlling the work of a pump unit and a gate of a water affair pump station and acquiring the working state of the pump unit, and the data acquisition and engineering control module performs data interaction withthe cloud service platform through a 5G network; the cloud service platform is used for providing information application service, data management and system operation monitoring for the workstation,and comprises a communication network module, a data management platform, an application support platform, an operation monitoring and management module and a comprehensive information service module; and the workstation is used for providing a port for working personnel to carry out human-computer interaction with the management system. According to the intelligent water affair pump station management system, control and monitoring of field equipment are achieved through using the 5G network, and automatic management of the water affair pump station is guaranteed.
Owner:ANHUI ETUO COMM TECH GRP

Coaxial data composite cable

The invention discloses a coaxial data composite cable which comprises a coaxial cable and a plurality of digital cables. The digital cables are distributed on an outer wall face of the coaxial cable through a belting layer, a ring is formed with the coaxial cable serving as the centre of a circle, and a shielding layer and a protective sleeve layer are sequentially wrapped on the outside of the belting layer. The coaxial data composite cable enables the coaxial cable and the digital cables to be effectively compounded to form a complex integrated structure, one cable has two transmission functions which are mutually independent and free of interference, mutual interference between the cable and an outside cable is avoided, and the coaxial data composite cable greatly brings convenience to wiring installation and follow-up management, avoids line pipe waste, reduces manufacture cost, installation cost and worker labor intensity, and improves wiring and installation efficiency. Simultaneously, the coaxial data composite cable has good resistance to low temperature, does not dare cold, effectively expands service environment, is favorable to application and dissemination in cold areas, and is strong in practical applicability and high in reliability, and the lowest temperature resistance can reach -60 DEG C.
Owner:TBEA DEYANG CABLE CO LTD
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