131results 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 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 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 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 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 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.

The invention provides a photovoltaic assembly, which comprises a plurality of battery strings and a backboard, wherein the plurality of battery strings are parallel to each other and extend along the longitudinal direction, and the backboard is used for bearing the battery strings. The plurality of battery strings are symmetrically distributed on a light receiving surface of the backboard in a two-column mode along the longitudinal direction and form a plurality of unit groups which are sequentially connected in series. Each battery string is provided with an outer end which is close to the edge of the backboard along the longitudinal direction and an inner end which is close to a middle position of the backboard. Each unit group comprises two battery strings which are connected in series at the outer end by adopting a first bus bar and adjacently arranged side by side. The photovoltaic assembly further comprises a plurality of junction boxes arranged on a backlight surface of the backboard, wherein the junction boxes are arranged at intervals along the transverse direction and located at the middle position of the backboard along the longitudinal direction, the two battery strings in each unit group are enabled to share the same junction box, each junction box is internally provided with diodes, and the inner ends of the two battery strings in each unit group are connected to a positive electrode and a negative electrode of the diode in the corresponding junction box. Therefore, a problem of complex wiring of bus bars can be effectively solved.

A battery can 2 is composed of a can body 3 having a concave portion 31 for accommodating an electrode body 5, and a metal cover 4 for sealing an opening end of the concave portion 31 of the can body 3. The can body 3 is formed in a plate shape by subjecting a metal plate to shallow drawing. A flange 32 is provided at a peripheral edge portion of the opening end of the can body 3, which is bonded to be integrated with the metal cover 4 to keep an air-tight and liquid-tight state in the concave portion 31.

The invention discloses a sound box for mixing multiple channels to two wireless channels. The sound box comprises a sound processing host, a left sound box and a right sound box. The sound box is characterized by further comprising a multi-channel-to-two-channel unit and audio output units, wherein the multi-channel-to-two-channel unit is arranged in the audio processing host, and the audio output units are both arranged in the left sound box and the right sound box; the multi-channel-to-two-channel unit is used for converting audio signals of more than two channels into two-channel audio signals and sending to the two-channel audio output units through a wireless mode; and the audio output units are used for processing and amplifying the received two-channel audio signals and outputting to a loudspeaker of the left sound box and a loudspeaker of the right sound box. By utilizing the existing two-channel sound box, the multi-channel stereophonic effect is realized, and the sound box can be compatible with the previous wired two-channel system, the wiring is simplified, the space is saved and the cost is low.

The invention relates to a detection method of pedaling moment by both feet of a rider. Particularly, a foot pedaling moment detection device is arranged at a proper position of a back underbeam of a bike and a convex side strain foil is closely attached to the side wall of the core of a convex side strain foil chamber rebound strain connecting body of the device; and a concave side strain foil is closely attached to the side wall of the core of a rebound strain connecting body of a concave side strain foil chamber. Through a driving chain of the bike, the pedaling moment when both feet of the rider tread for driving is sensed to the device in the form of a tension signal. The device then converts the tension signal into an electric signal through the conduction structure of the rebound strain connecting body and the convex and concave strain foil, and finally the electric signal is transmitted to a controller after amplified by a differential amplifier.

The invention relates to a bus-based direct-current motor and a control method thereof. The bus-based direct-current motor comprises a power module for supplying power; the power module is connected with a master control module, an encoder module and a motor driving module. The master control module is connected with the motor driving module for controlling a motor, is connected with the encoder module for measuring speed and position, is connected with a voltage detection module for detecting voltage, is connected with an LED module for displaying various light effects, and is connected witha bus interface for inputting and transmitting power and signals; a control module of the direct-current motor is directly installed at the back of the motor, and a drive chip is cooled through a casing of the motor. The bus-based direct-current motor is easy to control, can control as much as 253 devices by sending serial-port orders, can be connected by means of three-wire cascading in a simplemanner, can be switched into a steering mode and a speed mode randomly, and has wide application scope.

The invention provides a high-temperature superconducting coil temperature sensing structure and a high-temperature superconducting coil temperature monitoring method, and belongs to the technical field of temperature monitoring of high-temperature superconducting coils. The high-temperature superconducting coil temperature sensing structure comprises fiber bragg grating sensing rings formed by aplurality of fiber bragg grating sensing heads connected in series uniformly through optical fibers; each optical fiber sensing head comprises metal fixed columns packaged at two ends of a capillary bent pipe; and the optical fibers pass through the metal fixed columns and marked with silver-plated fiber bragg grating sections. When the high-temperature superconducting coil is subjected to temperature monitoring, the plurality of fiber bragg grating sensing rings are sequentially and uniformly laid on the upper surfaces of the high-temperature superconducting coils from inside to outside, andthe positions of the fiber bragg grating sensing heads on the two adjacent fiber bragg grating sensing rings are mutually staggered. When the high-temperature superconducting coil is subjected to temperature sensing, influence of external strain can be avoided, no temperature monitoring blind area is formed, and monitoring is comprehensive and reliable; and in addition, online detection of the temperature of the high-temperature superconducting coil can be achieved, a temperature feedback signal is rapidly provided for a quench protection system, and stable operation of a superconducting magnet is guaranteed.

The invention discloses a full-automatic tester for a load box, which comprises a personal computer (PC) and is characterized by also comprising a digital signal processor (DSP) control module, an analog digital (AD) sampling module, a digital/analog (D/A) conversion module and a numerical control linear power supply. The PC is communicated with the DSP control module through a controller area network (CAN) bus, the DSP control module is connected with the D/A conversion module, the D/A conversion module is connected with the numerical control linear power supply, the numerical control linear power supply and a load box to be tested are connected with a stably-transmitting voltage signal, the load box to be tested is connected with the AD sampling module, and the AD sampling module is connected with the DSP control module. By the full-automatic tester, the problems of lower measuring precision, insufficient display digits and slow testing speed of a calibration device of the load box in the prior art are solved. The invention provides a device which is capable of realizing high-precision automatic test of the load box and has the functions of report storage, issuing, printing and the like.

The invention discloses a direct current superposition method measurement circuit. The direct current superposition method measurement circuit comprises a to-be-measured cable, a direct-current power source, a first inductor, a first capacitor, a first surge protection device, a transformer grounded protection circuit, a second surge protection device, a low pass filter, a band elimination filter, an ampere meter and a relay, wherein the to-be-measured cable, the direct-current power source, the first inductor, the first capacitor, the first surge protection device, the transformer grounded protection circuit, the second surge protection device, the low pass filter, the band elimination filter, the ampere meter and the relay are connected between a load and a bus of a power substation grounded transformer; one end of the direct-current power source, the first inductor, the first capacitor and the other end of the direct-current power source are sequentially connected; one end of the first surge protection device is connected with the connecting end of the first inductor and the first capacitor to be connected into a neutral point of the power substation grounded transformer, and the other end of the first surge protection device is connected with the connecting end of the first capacitor and the direct-current power source. The direct current superposition method measurement circuit is simple in connection and used for insulation on-line monitoring of a 35 kV cable; damage caused by supersaturation of the power substation grounded transformer can be prevented, interference of the contact potential, the leakage current and noise can be effectively reduced, and the diagnosis accuracy can be improved.

The invention relates to the technical field of electronics, in particular to a USB interface circuit. The USB interface circuit with electrostatic protection is characterized by comprising a first signal line, a second signal line and a ground line. Electrostatic protection units are respectively arranged between the first signal line and the ground line and between the second signal line and the ground line, each electrostatic protection unit comprises two conductors, each conductor is provided with a tip, and tips of the two conductors are relatively arranged and are provided with one clearance at intervals. Compared with conventional USB electrostatic protection, the USB interface circuit is simple in wiring and low in cost, and signal quality can be guaranteed without consideration of signal attenuation on difference paths.

The invention relates to an automobile data recorder with a bluetooth function. The automobile data recorder comprises a master control circuit module and an automobile data recording unit. The automobile data recorder is characterized in that it also comprises a navigation unit, a safety pre-warning unit, a display module, a voice recognition unit, a storage unit, an LTE data transmission unit and a bluetooth module, wherein the navigation unit is connected to the master control circuit module and is used for vehicle navigation; the safety pre-warning unit is connected to the master control circuit module; the display module is connected to the master control circuit module and is used for displaying navigation information, vehicle information and the like; the voice recognition unit is connected to the master control circuit module; the storage unit is connected to the master control circuit module; the LTE data transmission unit is connected to the master control circuit module; and the bluetooth module is connected to the master control circuit module. The invention has the following beneficial effects: by combining a vehicle driving recording function, a vehicle navigation function and a safety pre-warning function, the laser video camera type automobile data recorder has simple wiring, is convenient to install, is beautiful in appearance and is practical; and by the use of the bluetooth module, the bluetooth module can be connected to equipment such as a mobile phone and the like so as to bring better experience.

A device used for preventing music player from overheat consists of input selection unit for selecting I/O audio signal, volume regulation unit for regulating selected output audio signal as per set volume standard, power amplifier for carrying out amplitude-increase on volume audio signal and for outputting processed signal out through loudspeaker, overheat avoiding circuit of standard regulation component for changing internal impedance and for regulating audio signal standard being switched into power amplifier.

The invention discloses an automobile electronic composite starter. The starter comprises a direct current starting power supply, a motor starting circuit and a protection circuit, wherein the motor starting circuit is connected with a starting motor; the protection circuit is connected with the motor starting circuit and automatically protects the starting motor after being started; both the motor starting circuit and the protection circuit are connected with the direct current starting power supply; the motor starting circuit comprises a triode BG1 of which a base is divided into two paths through a resistor R2; one path is connected with a power positive electrode of the direct current starting power supply through a resistor R1, and the other path is grounded through a starting switch (SW); an emitter of the triode BG1 is connected with the power positive electrode of the direct current starting power supply, and a collector of the triode BG1 is connected with a positive power input end of the starting motor; and a negative power input end of the starting motor is grounded. The starter has the advantages of low cost, small size, high reliability of a starting system and good starting effect, and can effectively solve the problems of adverse factors of large size, high probability of ablation of a contact, non-moisture proof, high electromagnetic interference, poor reliability and the like existing in the conventional composite relay.

Embodiments of the invention relates to the technical field of logistics, in particular to an express cabinet and an express system. The express cabinet comprises a master lock control board, a secondary lock control board, and a cabinet body. The master lock control board and the secondary lock control board are in wireless connection; the cabinet body comprises a main cabinet and a secondary cabinet; and the master lock control board is used for controlling the main cabinet to be opened to store or take out articles, and the secondary lock control board is used for controlling the secondarycabinet to be opened to store or take out articles. According to the express cabinet and the express system, circuit is simplified.