320results about How to "Simple wiring" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention discloses wearable equipment. The wearable equipment comprises a main body part, binding belts and tightening devices. The main body part comprises a main part and a slave part, the mainpart is connected with the slave part through the binding belts, wires are embedded in the binding belts, the main part is electrically connected with the slave part through the wires, and at least one of the main part and the slave part is internally provided with the tightening device. Each tightening device comprises a rotary shaft and an auxiliary winding mechanism, the rotary shafts are rotatably connected with the main body part, one ends of the binding belts are connected with the rotary shafts, and the auxiliary winding mechanisms are used for driving the rotary shafts to rotate to enable the binding belts to be wound around or released from the rotary shafts.

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.

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.

The present invention aims to provide a verification method for embedded online real-time measurement of an electric energy error of a charging pile, for solving the technical problem of measuring theelectric energy error of the charging pile on line and in real time. One end of an adapter is provided with a charging gun plug, the other end thereof is provided with a charging gun socket, and theadapter is embedded with a calibrator; the charging gun is connected with the charging pile and an electric load through the adapter; the calibrator is wirelessly connected with an adapter wireless server, and the charging pile is connected with a background server thereof; a verification computer performs data interaction with the adapter wireless server and the background server of the chargingpile in a wireless manner; and the verification computer realizes verification of the electric quantity error by comparing the data acquired by the adapter wireless server and the data acquired by thecharging pile background server. The verification method for embedded online real-time measurement of an electric energy error of a charging pile in the invention has the advantages of small volume and light weight and can adapt to the needs of market development.