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321results about How to "Simple wiring" patented technology
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Active array type display apparatus
InactiveCN1376014AImprove reliabilityHigh resolutionStatic indicating devicesElectroluminescent light sourcesImage resolutionActive matrix
In the active matrix type display device according to the present invention, the device layer (light-emitting part) is formed by arranging the light-emitting part in sub-pixel units, and the circuit layer (sub-pixel circuit) is formed by driving the light-emitting part The sub-pixel circuit is arranged in the sub-pixel unit. When the device layer and the circuit layer are stacked on the substrate, the following method is proposed: the device uses the strip structure as the structure of the sub-pixel circuit, and the Δ The structure acts as the light-emitting part of the structure. Therefore, the reliability of the sub-pixel circuit can be improved when the advantage of the delta structure is utilized in the light emitting portion, thus achieving high reliability, high resolution and high brightness of the display device.
Owner:SONY CORP
Nested modulator
A nested modulator is provided where the circuit arrangement of modifying electrodes including signal electrodes is simplified, and at the same time, the drive voltage can be lowered.A nested modulator, including: a substrate 20 made of a material having electro-optic effects; an optical waveguide formed on the substrate; and a modulating electrode for modulating light waves which are guided through the optical waveguide, wherein the optical waveguide has a main Mach-Zehnder waveguide 1 and sub-Mach-Zehnder waveguides 2 and 3 provided on two branching waveguides of the main Mach-Zehnder waveguide, and the modulating electrode is provided in a sub-branching waveguide of the sub-Mach-Zehnder waveguides, is characterized in that a polarization reversal region 46 or 47 is formed in a portion of a sub-branching waveguide of each of the sub-Mach-Zehnder waveguides, the modulating electrode is formed of signal electrodes including introduced signal electrodes 40 or 43, branching single electrodes 41 or 44 and lead signal electrodes 42 or 45 as well as ground electrodes for each of sub-Mach-Zehnder waveguides, and the branching signal electrodes which branch from the introduced signal electrode are placed so as to work on two sub-branching waveguides for each of the sub-Mach-Zehnder waveguides.
Owner:SUMITOMO OSAKA CEMENT CO LTD +1
System for monitoring gob stress in real time and overlying strata breakage judgment method
ActiveCN102928144AGuaranteed reliabilityReduce power consumptionTransmission systemsEarth material testingElectricityControl software
The invention discloses a system for monitoring gob stress in real time and an overlying strata breakage judgment method. According to the system, a hydraulic sleeper is buried in each stress measuring point and is connected with a pressure sensor; the pressure sensor is connected with a wireless sensing transmitting module; a gob stress signal is transmitted through the wireless sensing transmitting module; a wireless receiving module is arranged in a mining roadway, can simultaneously receive multi-path stress radio signals transmitted in a gob and is connected with an electro-optic conversion module; the electro-optic conversion module converts multi-path stress electric signals into optical signals and transmits the optical signals to the ground through an optical fiber; an optical fiber signal is converted into an electric signal through the electro-optic conversion module, and the electric signal is connected with a monitoring host; the gob stress data are controlled, stored and displayed on line in real time on the monitoring host through configuration control software; and after a gob stress value obtained through monitoring is compared with a theoretically calculated stress value, an overlying strata breakage position above the stress measuring points is judged.
Owner:CHINA UNIV OF MINING & TECH
Driving circuit and method for LCD device
ActiveCN101315504ASimple wiringEasy wiringStatic indicating devicesNon-linear opticsLiquid-crystal displayScan line
The invention relates to a drive circuit and a method for driving a liquid crystal display device. The drive circuit of the liquid crystal display device comprises a plurality of data lines, a plurality of scan lines and a plurality of pixel units. Each pixel unit includes a first sub-pixel unit and a second sub-pixel unit, wherein the first sub-pixel unit includes a first TFT and a first pixel electrode; and the second sub-pixel unit includes a second TFT and a second pixel electrode. The first pixel electrode and the second pixel electrode are respectively connected with the same scan line and the data line through the first TFT and the second TFT, and the first TFT and the second TFT have different parasitic capacitances.
Owner:INNOCOM TECH SHENZHEN +1
Vehicle body CAN bus controlling system
The invention consists of CAN-LIN gateway, CAN control module and LIN control module. The CAN-LIN gateway uses CAN bus and LIN bus protocol, and connects to CAN control module through CAM bus interface, and connects to peripherals through peripherals interface to implement signals collection and electronic component control in vehicle. The LIN control module connects to CAN-LIN gateway through LIN bus interface, and connects to peripherals through peripherals interface to implement signals collection and electronic component control in vehicle. The LIN bus protocol is saved in CAN-IN gateway and LIN control module, and the CAN bus protocol is saved in CAN-LIN gateway and CAN control module.
Owner:浙江中科正方电子技术有限公司
Frame device and its message transmitting method
InactiveCN1937782ASimple wiringEasy installation and maintenance workSelection arrangementsComputer engineering
The invention discloses a framework for the equipment and its sending method of message. In each frame, set a main switchboard and a standby switchboard. Each main processing board and operational plate connects to the main switchboard and standby switchboard respectively in the frame. Machine frames are connected each other through the cascade interface provided by the main switchboard and the standby switchboard. Since the invention uses a switchboard for connecting the various circuit boards, and switchboard directly provides cascade interface between frames, so the wiring between frames is greatly simplified, which is easy to install and maintenance.
Owner:BEIJING HUAWEI DIGITAL TECH
Wiring method of differential signal line and PCB
ActiveCN105704931APracticalImprove signal qualityPrinted circuit aspectsConductive pattern formationDifferential lineAdhesive
The invention discloses a wiring method of a differential signal line and a PCB. The wiring method includes: rectangular fiberglass fabrics are provided, and the fiberglass fabrics are formed by fiberglass mutually woven in a staggered manner and adhesives filled between the fiberglass; the wiring direction of the differential line is determined, and the bundle number of the fiberglass of the fiberglass fabrics in the direction is obtained; the wiring direction comprises the length direction or the width direction of the fiberglass fabrics; the fiberglass fabrics are divided into fiberglass units with the number equal to the bundle number in the wiring direction, the width of the fiberglass units is obtained according to the dimension and the quantity of the fiberglass fabrics in the direction vertical to the wiring direction, and the fiberglass units comprise fiberglass in the wiring direction and the adhesives; the line distance and the line width of the differential signal line are determined according to the width of the fiberglass units; and wiring is performed on a metal layer along the wiring direction according to the line distance and the line width to form the required differential signal line, and the metal layer is pasted on the surface of the fiberglass fabrics. According to the method, the problems of high cost, large occupied wiring space, and long wiring time of the conventional control differential signal delay wiring method are solved.
Owner:ZTE CORP
Automatic parking control system, probe module, vehicle and automatic parking control method
ActiveCN108068800AReduce transfer timeSimple wiringExternal condition input parametersAutomatic controlAutomatic train control
The invention discloses an automatic parking control system. The system comprises a plurality of probe modules and a parking execution module. Each probe module comprises a probe unit and a chip unit,the probe unit is used for transmitting an ultrasonic signal and receiving an echo signal corresponding to the ultrasonic signal, the chip unit comprises a processing subunit, the processing subunitis used for, in the location mode, calculating the distance between a parking vehicle and an obstacle based on the ultrasonic signal and the echo signal and identifying the parking space according tothe distance, and in the automatic parking mode, determining the starting position of the parking vehicle based on the distance between the parking vehicle and the obstacle in the adjacent parking space and the vehicle body angle of the parking vehicle to the parking space, calculating the trajectory, and generating a parking control signal. The parking execution module is used for controlling theparking vehicle to park according to the parking control signal. The automatic parking control system can shorten the transmission time of a probe detection signal. The invention also discloses the probe module, a vehicle and an automatic parking control method.
Owner:BYD CO LTD
FFC (flexible flat cable) connector, direct-lit backlight module and wiring device
InactiveCN104600452AReduce wiring difficultyReliable electrical connectionPlanar light sourcesPoint-like light sourceElectrical connection
The invention discloses an FFC (flexible flat cable) connector comprising a base, an upper cover, at least one spring and a positioner. The upper cover is rotatably hinged to the base. The springs are disposed on the base; the top ends of the springs protrude from the upper surface of the base; the bottom ends of the springs extend out of the lower surface of the base. The positioner protrudes from the upper surface of the base. The free end of the upper cover is provided with an extension part bent; the extension part is used for being fastened to the base. The invention further discloses a backlight module and a wiring device. The FFC connector allows an FFC to be well fixed and allows the FFC and a light bar component to be reliably and electrically connected; after the plug end of the FFC is electrified, the FFC can be electrically connected with various light bar components through the FFC connectors; a wiring mode is simple, fixing is reliable, FFC wiring difficulty is greatly decreased, and assembly efficiency of the backlight module is greatly improved; meanwhile, the wiring mode is higher in automation level, and a wiring process is greatly simplified.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
Rapid estimating and compensating system with IMU mounting angle obliquely set
InactiveCN101393028ALow costEasy to observeNavigational calculation instrumentsNavigation by speed/acceleration measurementsInformation processingEngineering
The invention discloses a system for quickly estimating and compensating a tilting IMU setting angle in a micro inertia strapdown navigation attitude system. In the system, a quick estimation and compensation system with multi coordinate conversion mode is adopted to process IMU information generated when the IMU is slantwise arranged; the tilting IMU information processing comprises a sensor information acquisition unit(1), a sensor noise reduction processing unit(2), a setting angle estimation unit(3) and a sensor setting angle compensation unit (4). The system utilizes the coordinate conversion principle among an IMU coordinate system, an aircraft axes and a navigation coordinate system, and adopts the three-shaft acceleration information f2 and the three-shaft spinning top information Omega 2 outputted by the IMU and initial magnetic course information Phi provided by a magnetic compass to realize the correct estimation of the tilting setting angle; by utilizing the estimated setting angle, the sensor information in flight is compensated in real time, thereby improving the navigation attitude precision of a micro inertia strapdown navigation attitude system.
Owner:BEIHANG UNIV
Matrix switch device and system
InactiveCN108983082ASimple wiringImprove versatilityElectrical measurement instrument detailsCircuit interrupters testingFunctional testingComputer module
The invention provides a matrix switch device and system. The device comprises a control board, a matrix switch and a test connector. The matrix switch is electrically connected to the control board.Each pin of the matrix switch comprises a detection point pin and a test point pin. The detection point pin is connected to an input port of a detection circuit, and the test point pin is connected tothe test connector and is used for connecting an output port of a tested module UUT through the test connector. The control board switches the matrix switch such that a test signal inputted into thetest point pin is switched to the detection point pin. According to the mode of the invention, through the switching control of the matrix switch, the signal of the test point pin is arbitrarily switched to the detection point pin to carry out test of various functions, therefore, the mode can be applied to different functional tests of different products, and the wire connection mode is simplified by the connection of the connector. Therefore, the technical solution of the embodiment of the invention has the advantages that the versatility and flexibility of the test are improved, the development cycle is shortened, and the maintenance is facilitated.
Owner:DEFOND ELECTECH CO LTD
Commodity feeding device and method for vending machine
InactiveCN101446813AIncrease the number ofSimple wiringCoin/paper handlersProgramme control in sequence/logic controllersConnection controlEmbedded system
A commodity feeding device and method for a vending machine belong to the field of vending machine. The device comprises a controller (101), a register (102), a row driver (103), a column driver (104) and a motor array (105), wherein the input terminal of the register (102) is connected with the output terminal of the controller (101); the output terminal of the register (102) is respectively connected with corresponding drive lines of the motor array (105) through the row driver (103) and the column driver (104). The method comprises the following steps: firstly running the motor for one week, stopping the flow if the vending detection function is not started, or else, detecting whether a commodity is fed; if so, achieving successful commodity feeding, or else additionally running the motor once; stopping the flow if the commodity is fed, or else, additionally running the motor once; and stopping the flow if the commodity is fed, or else, considering that the commodity is vended out. The commodity feeding device solves the problems of complex connection and poor accuracy and reliability of the commodity feeding device of vending machine.
Owner:SOUTHEAST UNIV
A system and method for monitor electric power operation and maintenance
InactiveCN109217466AGood scalabilitySimple wiringPower network operation systems integrationCircuit arrangementsData transmissionData monitoring
The invention discloses a power operation and maintenance monitoring system and a method thereof. The power operation and maintenance monitoring system comprises a field data acquisition device, a data transmission device, a server and a remote monitoring device. (1) the field data acquisition device comprises a sensor and a data acquisition circuit, which are used for acquiring the field data, wherein the field data include the operation of the field electric equipment, the state parameters and the field environmental parameters; The output end of the field data acquisition device is connected with the terminal of the data acquisition device; (2) the data transmission equipment is used for collecting the field data collected by the field data acquisition device through the bus, and transmitting the field data to the server through the Internet; (3) the server is used for collecting, storing and processing the field data uploaded through the data transmission equipment; (4) The remotemonitoring device comprises a main display screen and a control terminal. This power operation and maintenance monitoring system adopts distributed architecture, which is easy to expand, easy to implement, easy to expand, and can realize centralized data monitoring.
Owner:湖南迅捷公共设施服务有限公司
Alternating current asynchronous motor and phase change starting method thereof
InactiveCN102142752ASimple wiringLow costAsynchronous induction motorsPolyphase induction motor starterInduction motorElectric machine
The invention relates to an alternating current asynchronous motor and a phase change starting method thereof. The motor comprises six groups of stator coils U1, U2, V1, V2, W1 and W2, wherein the end head of the U1 is connected with the end head of the U2 in parallel, and a terminal block 1U is led out; the end head of the V1 is connected with the end head of the V2 in parallel, and a terminal block 1V is led out; the end head of the W1 is connected with the end head of the W2 in parallel, and a terminal block 1W is led out; the end tail of the U2 is connected with the end tail of the V1 in parallel, and a terminal block 2V is led out; the end tail of the U1 is connected with the end tail of the W2 in parallel, and a terminal block 2U is led out; and end tail of the V2 is connected with the end tail of the W1 in parallel, and a terminal block 2W is led out. The six groups of stator coils are provided with six terminal blocks, the terminal blocks 1U, 1V and 1W of the motor are respectively connected with a three-phase power supply when the motor is started, and the stator coils are in delta connection; and during operation, the stator coils are in star connection. The alternating current asynchronous motor is suitable for heavy-duty starting, is simple to wire and has the advantages of low cost and simple motor control mode.
Owner:CHANGZHOU YUCHENG FUTONG MOTOR CO LTD
Internet of things (IoT)-based dynamic monitoring platform for monitoring archaeological excavation field
InactiveCN102497413AAvoid damageImprove deployment efficiencyMeasurement devicesTransmission systemsDatabase serverDynamic monitoring
The invention relates to an internet of things (IoT)-based dynamic monitoring platform for monitoring an archaeological excavation field. The IoT-based dynamic monitoring platform for monitoring the archaeological excavation field comprises a dynamic monitoring system for monitoring the archaeological excavation field, a remote database server and a local database server, wherein the remote database server and the local database server are respectively connected with the dynamic monitoring system for monitoring the archaeological excavation field through IoT. The IoT-based dynamic monitoring platform for monitoring the archaeological excavation field, provided by the invention, is simple in wiring manner, low in work load, low in deployment cost, strong in adaptability and easy for acquiring data by using mobile equipment.
Owner:西安元智系统技术有限责任公司
Medium-voltage integrated intelligent circuit breaker
InactiveCN102169776ASimple wiringReduce configurationHigh-tension/heavy-dress switchesAir-break switchesElectrical conductorControl theory
Owner:SOUTHEAST UNIV
LED (Light Emitting Diode) illumination module
InactiveCN104696827ASimple wiringImprove assembly efficiencyPoint-like light sourceElectric circuit arrangementsAluminiumEngineering
The invention discloses an LED (Light Emitting Diode) illumination module. The LED illumination module comprises a heat radiator and a plurality of LED light emitting modules which are fixed on the bottom wall of the heat radiator, wherein each LED light emitting module comprises a lens and an LED aluminum base plate arranged between the lens and the heat radiator; the LED aluminum base plate is provided with LED light sources which are in series and in parallel; a first channel, a second channel and a plurality of heat radiation fins are arranged at the back part of the heat radiator; a lead wire is returned from the second channel to enter the first channel; a waterproof connector is arranged at one end, close to the bent part of the lead wire, of the first channel; a waterproof end cap is arranged at the other end of the first channel; the heat radiator is provided with a plurality of through holes which extend to the bottom surface of the heat radiator from the first channel and correspond to the LED light emitting modules one by one. According to the LED illumination module, the connection relation of the LED light emitting modules is changed, and one lead wire penetrates through the through holes to connect the plurality of LED light emitting modules in series, so that a wire arrangement and wire threading manner can be extremely simplified and the whole volume of the LED illumination module is reduced; the LED illumination module has the extremely good waterproof performace.
Owner:HODI OPTOELECTRONICS
Mechanical arm
The invention discloses a mechanical arm, and belongs to the field of chemiluminescence measurement. The mechanical arm comprises an X-axis guide rail assembly, a Y-axis guide rail assembly, a Z-axis guide rail assembly, an X-axis motor, a Y-axis motor, a Z-axis motor, a mechanical gripper and a mechanical gripper motor. The X-axis guide rail assembly is connected with the X-axis motor. The Y-axis guide rail assembly is connected with the Y-axis motor. The Z-axis guide rail assembly is connected with the Z-axis motor. The mechanical gripper is connected with the mechanical gripper motor. The Y-axis guide rail assembly is arranged on the X-axis guide rail assembly. The Z-axis guide rail assembly is arranged on the Y-axis guide rail assembly. The mechanical gripper is arranged on the Z-axis guide rail assembly. The mechanical gripper comprises a clamping jaw and a detection device, and the detection device is arranged above the clamping jaw. The mechanical arm can run in three-dimensional space flexibly and stably, and can detect whether a reaction cup is clamped or not.
Owner:NANJING NORMAN BIOLOGICAL TECH
Automatic safety control system for island detection of distributed energy resources
ActiveCN102969794AExpand the scope of detectionImprove operational safetySingle network parallel feeding arrangementsInformation technology support systemIslandingControl system
The invention relates to an automatic safety control system for island detection of distributed energy resources. The automatic safety control system comprises a control terminal mounted on the side of a distributed power supply, wherein the control terminal is used for performing synchronous frequency measurement on the distributed power supply, marking a time scale on the distributed power supply and sending synchronous frequency measurement data to the side of a public power network through a 3G network. The automatic safety control system further comprises the control terminal mounted on the side of the public power network, wherein the control terminal is used for performing synchronous frequency measurement on the public power network, marking the time scale on the public power network and receiving the synchronous frequency measurement data sent from the side of the distributed power supply. The control terminal mounted on the side of the public power network computes a frequency difference between the sides of the public power network and the distributed power supply according to the time scales; if the frequency difference exceeds a setting action value, a tripping command is sent to the side of the distributed power supply after a given time delay is carried out on the frequency difference; if the frequency difference exceeds a setting start value but not exceeds the setting action value, an energy integral value (Kdf) of the frequency difference is computed; and if the value (Kdf) exceeds an energy integral setting value of the frequency difference, the tripping command is sent to the side of the distributed power supply.
Owner:CHANGZHOU POWER SUPPLY OF JIANGSU ELECTRIC POWER +2
Field programmable gate array device dead-weight configuration device and method
InactiveCN103176945ASimple structureSimple wiringArchitecture with single central processing unitPrinted circuit boardSignal processing circuits
The invention relates to a field programmable gate array (FPGA) device dead-weight configuration device and method. The FPGA device dead-weight configuration device comprises a self configuration circuit which is arranged in a FPGA device and a signal processing circuit which is arranged at the outer portion of the FPGA device. The self configuration circuit comprises a first counter, a second counter, a third counter and a detection circuit, wherein the first counter, the second counter and the third counter are used for receiving the same clock pulse signal to fix time and a low level signal is output when the fixed time reaches a preset value. One of the counters is detected whether the one is different from the other two in output by the detection circuit, the low level signal is output when the one is different from the other two in the output, and a level signal the same with the first counter, the second counter and the third counter is output when the one is the same with the other two in the output. An output end of the detection circuit is connected with the signal processing circuit which transmits the low level signal output by the detection circuit to a reconfiguration pin and controls the reconfiguration pin to keep time of low level above preset time. The FPGA device dead-weight configuration device and method has the advantages of being few in needed external devices, simple in structure and few in occupied printed circuit board (PCB) resources.
Owner:INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
Method for transmitting standard Ethernet data in industrial Ethernet
The invention discloses a method for transmitting standard Ethernet data in an industrial Ethernet, comprising the following steps of: connecting a standard Ethernet device to a field bus through an access device; orderly transmitting a first standard Ethernet data and an Ethernet field bus data to the access device by a host; distinguishing the Ethernet field bus data and the first standard Ethernet data through a data frame protocol type, and transmitting the first standard Ethernet data to the standard Ethernet device by the access device; meanwhile, transmitting a second standard Ethernet data, fed back by the standard Ethernet device, and the Ethernet field bus data to the host, thereby realizing transmission of the standard Ethernet data between the host and the standard Ethernet device. With the method provided by the invention, transmission of a standard Ethernet data frame in an industrial Ethernet field bus is realized, and wiring mode of industrial field is simplified.
Owner:WUHAN HUAZHONG NUMERICAL CONTROL
Three-axis micro-mechanical accelerometer
InactiveCN103454449AHigh measurement sensitivityHigh measurement accuracyAcceleration measurement using interia forcesAcceleration measurement in multiple dimensionsCapacitanceAccelerometer
The invention relates to a three-axis micro-mechanical accelerometer which comprises a substrate and an accelerometer body fixedly arranged on the substrate. The accelerometer body comprises a mass block, a Z-axis detection electrode plate and a plane detection unit. The plane detection unit is composed of four detection modules which are distributed around the mass block in the z-axis and the y-axis, the plane detection unit comprises a resonator, a lever beam and a traction beam, and the z-axis detection electrode plate is fixedly arranged on the position, corresponding to the mass block, of the substrate. The three-axis micro-mechanical accelerometer achieves quick acceleration measuring by means of a variable frequency method and a variable capacitance method, is strong in interference signal resistance, simple in wiring mode and little in signal coupling, and has relatively high signal-noise ratio. The three-axis micro-mechanical accelerometer has the advantages of being small in size, high in integrity, little in power consumption, suitable for large-scale production, low in cost and the like, and has good measuring precision and sensitivity.
Owner:滕金燕
Measurement system and measurement method for rapidly measuring thermoelectrical potential
InactiveCN102721857ASimple wiringEasy to operateMeasurement using digital techniquesData transmissionTemperature measurement
The invention provides a measurement system for rapidly measuring thermoelectrical potential. The system mainly comprises a sample table provided with a first supporting copper block and a second supporting copper block, a temperature measurement and control module provided with a temperature controller, a first temperature sensor, a second temperature sensor, a first heating block and a second heating block, a thermoelectrical potential measurement module provided with a nanovoltmeter, and a data processing module provided with an A / D (Analogue to Digital) conversion device, a data transmission bus and a data processing unit. The invention further provides a measurement method for rapidly measuring thermoelectrical potential by using the measurement system. Compared with the prior art, according to the measurement system and the measurement method for rapidly measuring the thermoelectrical potential provided by the invention, the thermoelectrical potential of the test sample can be quickly, conveniently and rapidly measured without operations such as gold-plating treatment on the surface of the sample to be measured and welding, and roughness and evenness on the surface of the sample to be measured are not strictly required, and the error is smaller when the sample to be measured with smaller thermoelectrical potential is measured.
Owner:SUZHOU NUCLEAR POWER RES INST +1
Crane ground operation position limitation control apparatus
The present invention belongs to the technical field of crane electrical control, and particularly relates to a crane ground operation position limitation control apparatus, which comprises a control circuit comprising a crane rising contactor auxiliary contact point, a crane descending contactor auxiliary contact point and a heavy hammer position limitation device, wherein the starting button, the stopping button and the main contactor are connected into the control circuit in a series connection manner, the descending contactor contact point and the rising contactor contact point are connected into the self-stick circuit in a parallel connection manner after the descending contactor contact point is connected with the heavy hammer position limitation device in series so as to form the series connection relation with the main contactor contact point, and the crane can normally rise and descent in the case of the normal suction closing of the total contactor KM0. With the crane ground operation position limitation control apparatus of the present invention, the double position limitation control on different broken circuit devices can be achieved, and the crane ground operation position limitation control apparatus has advantages of low cost, simple wiring, accurate control, high safety, easy maintenance, work efficiency improving, and the like.
Owner:李志刚
Large-size matrix-scanning-type infrared touch input device
ActiveCN101833399AEasy to use and maintainSimple wiringInput/output processes for data processingEmbedded systemInput device
The invention relates to a large-size matrix-scanning-type infrared touch input device which comprises a main control module, a group of transmitting modules and a group of receiving modules. The transmitting modules are connected with the main control module and contain a plurality of infrared transmitting tubes, the receiving modules are connected with the main control module and contain a plurality of infrared receiving tubes, and the transmitting modules and the receiving modules are sequentially arranged along the periphery of a white board so that a transmitting module corresponds to a receiving module along the transversal direction or the longitudinal direction. The main control module comprises a dynamic addressing circuit connected with the transmitting modules and the receiving modules. When the infrared touch device is in work, each module does not need a jumper or circuit distinguishing, addresses are dynamically distributed; in addition, the real size of the white board is not restricted and the numbers of the transmitting modules and the receiving modules can be randomly expanded as required.
Owner:ANHUI HONGCHENG OPTO-ELECTRONICS CO LTD
Wearable equipment
Owner:QINGDAO PICO TECH CO LTD
LED (light-emitting diode) potting machine
InactiveCN103264001ASimple wiringAvoid electromagnetic interferenceLiquid surface applicatorsCoatingsPrinted circuit boardElectromagnetic interference
The invention discloses an LED (light-emitting diode) potting machine. The LED potting machine comprises a portal frame and an LED module fixing device, wherein the LED module fixing device comprises two supports which are parallelly arranged, and the supports are provided with multiple connecting pieces; the connecting pieces are used for installing LED modules on the supports, and two side frames of the portal frame are respectively provided with two guide rails; and the distance between the two parallel supports is less than the width between the two side frames of the portal frame. The potting machine provided by the invention can obtain LED module information through a camera, a potting needle tube is automatically adjusted so as to move in four directions, potting holes are automatically sought so as to finish dispersing potting, multiple potting holes are not needed to be reserved on a PCB (Printed circuit board), wiring is convenient, the integrated GND (Ground) plane is reserved, electromagnetic interference and electromagnetic radiation are effectively prevented, the rapid automatic potting is realized, the potting is full, the water-proof effect is good, the work efficiency is improved, and resources are saved.
Owner:WUXI CITY CHONGAN DISTRICT TECH ENTREPRENEURSHIP SERVICE CENT
System and method of processing transformer faults
InactiveCN108490323ASimple wiringReduce on-site constructionTesting dielectric strengthState dependentData monitoring
The invention discloses a system of processing transformer faults. The system of processing transformer faults includes a plurality of data monitoring nodes, a data acquisition unit, a data analysis unit, a fault diagnosis unit and a fault processing unit, wherein each data monitoring node includes a plurality of monitoring devices; each monitoring device is used for monitoring state parameters related to an operating state of the assigned transformer; the data acquisition unit is used to acquire all the state parameters related to the operating state of the assigned transformer; the data analysis unit is used to perform data analysis on all the state parameters of each transformer, and analyze the performance level of each state parameter; the fault diagnosis unit is used to determine theoperating standard of each state parameter, perform scoring on the performance level of each state parameter according to the operating standard of each state parameter, and determine whether the transformer has a fault and determine the fault type according to the score of at least one state parameter in all the state parameters; and the fault processing unit is used for reporting the identifierand fault type of the transformer to a remote monitoring center in the case of determining that the transformer has a fault.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
Electrical control system for tunnel cleaning vehicle
InactiveCN101923332ASimple wiringEasy maintenanceComputer controlSimulator controlFrequency changerHuman–machine interface
The invention discloses an electrical control system for a tunnel cleaning vehicle. A PLC (Programmable Logic Controller) in the system is the core of the entire control system. An input module of the PLC receives the signals of a control cabinet No.1, a control cabinet No.2, a DC cabinet, a power generating unit and a console, and an output module of the PLC is connected with a relay control unit, a driver control unit, a hairbrush lifting unit and a hydraulic control unit respectively. A monitoring device and a human-machine interface are installed on the console and are used for controlling a lighting system of the whole vehicle. The hydraulic control unit is connected with a hairbrush drive valve. The relay control unit is connected with a transfer pump, a handheld spray pump, a spray valve bank, an air compressor and a diaphragm pump. The driver control unit comprises four frequency converters and one soft starter. The invention overcomes the defects of difficult maintenance, poor reliability and the like of the traditional relay control system by adopting the PLC to realize the electrical control system of the tunnel cleaning vehicle. Moreover, the human-machine interface communicates data in real time, so that the electrical control system has high automation degree and perfect functions.
Owner:CRRC SHANDONG CO LTD
Bus of split-type television
InactiveCN102883198ASimple wiringTelevision system detailsColor television detailsDisplay deviceEngineering
A bus of a split-type television comprises a bus body, a first terminal and a second terminal. The first terminal and the second terminal extend out from two ends of the bus body respectively, the first terminal comprises a signal output terminal and a power input terminal, and the second terminal comprises a signal input terminal and a power output terminal; the signal output terminal is connected to a control box, the signal input terminal is connected to a display device, and signals outputted by the control box are received by the bus via the signal output terminal and are transmitted to the display device via the signal input terminal; and the power input terminal is connected with the control box, the power output terminal is connected with the display device, the control box is connected with a power supply, and the power input terminal receives electric energy from the power supply and transmits the electric energy to the display device via the power output terminal. The display device and the control box of the split-type television are connected with each other by the bus, the bus transmits image signal data and electric power, and a connection mode is simple.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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