38results about How to "Reduce external wiring" patented technology

The scheme of the invention discloses a vehicle assistance driving system based on the infrared thermal imaging and millimeter wave radar technology. The main functions include pedestrian and vehicledetection, image and sound fusion and collision early warning in driving of the vehicle. The early warning system uses the following technical characteristics: the infrared camera and the millimeter wave radar specialized for vehicle-mounted assistance driving, the data acquired by the radar, such as the distance, the direction and the speed and the images acquired by the infrared camera are fusedfor screening and determining the pedestrians or the vehicles, the pedestrian or vehicle characteristics are extracted through the algorithm, finally the result is displayed on the visual interface and multidimensional early warning information including images, numbers and sound is provided.

The logic controller for railway locomotive consists of main control board, input board, output board and power supply board, and features the bi-directional CAN bus communication among the control board, the input board and the output board, and the MOS FET driving between the output board and the electric device of the locomotive to be controlled. The present invention adopts embedded monochip computer system, CAN bus technology, and cured combination logic software in PLC logic ladder diagram structure easy to read and understand. Adopting logic control unit can simplify the design, production and debugging of locomotive control circuit, and raise the reliability of the control system. In addition, the microcomputer and electronic control system has vibration resistance obviously superior to traditional relay contact control system.

The invention discloses a self-energy-taking wireless temperature sensor and an achieving method thereof. The sensor comprises a self-energy-taking wireless temperature sensing chip and an electric field coupling polar plate, wherein the chip comprises a microcontroller, a self-energy-taking module, a temperature sensing module, a storage and a wireless communication module, the microcontroller is respectively communicated with the self-energy-taking module, the temperature sensing module, the storage and the wireless communication module, and the temperature sensing module is connected with the storage. The microcontroller, the self-energy-taking module, the temperature sensing module, the storage and the wireless communication module are integrated on one chip, the self-energy-taking module collects a displacement current generated by equivalent capacitance between the electric field coupling polar plate and a high voltage electric device under the alternating-current high voltage, and the displacement current is converted into the direct current to enable the chip to be powered. According to the self-energy-taking wireless temperature sensor, energy taking is achieved by sensing an alternating high-voltage electric field, the self-energy-taking wireless temperature sensor belongs to a self-energized system, the self-energy-taking wireless temperature sensor is integrated on the chip, the size of the sensor is reduced, the cost is reduced, the reliability is improved, and the self-energy-taking wireless temperature sensor has great significance in ensuring safe and reliable operation of a power grid.

The invention provides a solid combination switch device which can switch a parallel capacitor to a system automatically; the device is mainly used for reactive compensation of a high-voltage electric power system, zero passage (arcless) conduction and cut-off of a high-voltage electric power capacitor set is carried out automatically by calculating the reactive power value of the system; the solid combination switch device mainly comprises that: a thyristor, a contactor, a thyristor energy delivery system and a control system are integrated into a combined mechanism in an equipment cabinet, and an external connecting wire only needs three-phase voltage, electric current signals and direct-current 220V control power supply to realize the combination switch which can automatically switch the parallel capacitor set.

The invention provides logic control method and device of an electric locomotive. The method comprises the following steps of: receiving an instruction signal inputted by the electric locomotive; converting the instruction signal into a control command on an external load by utilizing a logic control main machine; and outputting the control command to the external load. The device comprises an input unit, a control unit and an output unit, wherein the input unit is used for receiving the instruction signal inputted by the electric locomotive; the control unit is used for converting the instruction signal into the control command on the external load by utilizing the logic control main machine; and the output unit is used for outputting the control command to the external load. By adopting the technical scheme, the device has the advantages that by adopting the technical measures of receiving the instruction signal inputted by the electric locomotive, converting the instruction signal into the control command on the external load by utilizing the logic control main machine, and outputting the control command to the external load, the device achieves the technical effects of greatly simplifying a contact control circuit of the electric locomotive, reducing external wiring and improving the reliability of a system.

The invention relates to a portable ultraviolet sterilizing lamp, belongs to the technical field of sterilizing devices, and solves the technical problem that a sterilizing device is not arranged in many conventional storing spaces, so that bacteria are bred, the physical health of people is influenced.The solution adopted by the invention lies in that the portable ultraviolet sterilizing lamp comprises a rectangular main body mounting frame, a plurality of ultraviolet LEDs and a control system, wherein a lamp mounting groove with an upper opening is formed in the middle part of the top surface of the main body mounting frame; a rechargeable battery mounting cavity is formed in a main body mounting frame at the right end of the lamp mounting groove; a control circuit mounting cavity is formed in the main body mounting frame at the left end of the lamp mounting groove; an ultraviolet LED mounting base plate is arranged on the bottom surface of an inner cavity of the lamp mounting groove; and the ultraviolet LEDs are sequentially and uniformly arranged on the ultraviolet LED mounting base plate. The portable ultraviolet sterilizing lamp disclosed by the invention can be suitable forany place for sterilizing and is convenient to disassemble and assemble and convenient to carry, andthe ultraviolet lamp can be avoided from directly radiating human bodies to cause damage;and a delaycontrol module is additionally arranged, so that viruses and bacteria can be effectively eliminated, electricity can also be saved, and the utilization rate is increased.

The invention discloses an antenna and filter connection structure and connection method. According to the invention, an adapter plate is arranged between a calibration plate and a filter on the backsurface of the antenna; a signal path between the filter and the antenna calibration plate is formed through the filter connection structure on the adapter plate and a calibration plate connection bonding pad; the connection between the antenna and the filter is realized; the adapter plate is directly attached to the surface of the calibration plate on the back of the antenna in a welding manner without arranging an additional joint; the connecting mode is more stable; the structure is simpler; and disassembly can be convenient.

The invention discloses an interactive slide rail display system, belongs to the technical field of interactive display devices, and aims to provide the interactive slide rail display system capable of integrating a controller in a display and convenient to install and use. The invention provides the technical scheme points that the interactive slide rail display system comprises at least one display device and a slide rail, wherein an installation frame for installing the display device is arranged on the slide rail; a telescoping mechanism capable of stretching out and drawing back a movingscreen is arranged between the installation frame and the moving screen; an installation mechanism for connecting the telescoping mechanism and the moving screen is arranged between the telescoping mechanism and the moving screen; a drive device for driving the installation frame to move on the slide rail is arranged between the slide rail and the installation frame; the display device comprises the moving screen and a controller integrated into the moving screen; displacement sensors are arranged at two ends of the slide rail; and the displacement sensors and the drive device are electricallyconnected with the controller. Through integrating the controller in the display screen, the external wire connection can be reduced, and the interactive slide rail display system is simple to install and debug, and is convenient to maintain in the later period at the same time.

The invention discloses an aerostat cable take-up and pay-off experiment system based on Profinet communication. The aerostat cable take-up and pay-off experiment system comprises a load winch used for simulating an aerostat load, a force measuring pulley used for conveniently measuring cable tension, a traction winch used for pulling a cable, a cable arrangement mechanism, a cable storage winch used for storing the cable and a control system. One end of the cable is tied on the load winch, sequentially bypasses the force measuring pulley, the traction winch and the cable arranging mechanism and is tied on the cable storage winch; the control system is connected with the load winch, the traction winch, the cable arrangement mechanism and the cable storage winch and controls the operation states of the load winch, the traction winch, the cable arrangement mechanism and the cable storage winch. The load winch capable of providing load changes is used for overcoming the limitation of a traditional tower suspended weight load experiment, the load winch is used for verifying the cable arrangement speed and operation characteristics under the full-load condition, and aerostat load changes can be simulated.

The invention discloses a full-automatic washing machine based on PLC control. The full-automatic washing machine based on the PLC control mainly comprises a relay set, a programmable controller and a transducer. The relay set is connected with the programmable controller, the programmable controller is connected with the transducer, the relay serves as a main execution module, and the on and off of the relay directly control a circuit to realize the control for the motor. The full-automatic washing machine based on the PLC control overcomes the problems of easiness in damage, large energy consumption and noise generation in working of a traditional relay-controlled washing machine and provides the full-automatic washing machine featured with long life span, small energy consumption, high reliability and fast running speed. According to the control system, the PLC serves as the control core, various outside input signals are sampled, wherein the sampling includes a start button, stop signals, high / middle / low water level detection and the like, and after performing logical operation or data treatment in the PLC, various output signals are provided for controlling the action of a water inlet valve and a water discharge valve and controlling a motor drive device so as to control the forward rotation, reverse rotation and dehydration of the motor.

The invention relates to a series-parallel connection converter, and belongs to the field of electrotechnics. The series-parallel connection converter is characterized in that the series-parallel connection converter corresponds to n single batteries E1, E2, ..., and En in battery packs, only a single n-pole double-throw switch K and n diodes D1, D2, ... and Dn are required by the series-parallel connection converter, and the n diodes D1, D2, ..., Dn are only used in a charge circuit; anodes of the diodes are respectively connected with cathodes of the single batteries and are respectively connected with normally open contacts in the n-pole double-throw switch; cathodes of the diodes are connected with one another in parallel and are further connected with a normally closed contact An of K_n in the n-pole double-throw switch, and normally closed contacts A1-An-1 of K_1-K_n-1 in the n-pole double-throw switch are connected with one another in parallel, are further connected with the anode of the single battery E1 and are led out by wires to be used as an anode port +In&Out for being connected with external equipment; the anodes of the single batteries E2-En are respectively connected with pole electrodes K_1-K-n-1 in the n-pole double-throw switch, and a pole electrode K_n in the n-pole double-throw switch is led out by a wire to be used as a cathode port -In&Out for being connected with the external equipment. The series-parallel connection converter has the advantages of few components, simplicity in manufacture and high cost performance.

The invention is applicable to the power supply output control field, and provides an LED fish gathering lamp power supply outputting and switching circuit. The power supply outputting and switching circuit comprises an LED fish gathering lamp power supply, a control unit, a first driving unit, a second driving unit, a first control switch, a second control switch, a first LED and a second LED, wherein the first control switch and the first LED form a first series circuit; the second control switch and the second LED form a second series circuit; the first series circuit and the second seriescircuit are connected with the output end of the LED fish gathering lamp power supply in parallel; the control unit outputs a first control signal and a second control signal according to a control signal to enable the first driving unit and a second driving unit to output different control signals respectively so as to drive the first control switch and the second control switch to be switched onand switched off, in order to control switching of lamp beads at different color temperatures in one power supply module; and by virtue of the power supply outputting and switching circuit, control is simple and convenient, the weight of a fishing boat is reduced, and the cost is lowered.

The inverted pendulum of the two-wheeled remote-controlled trolley and its balance control method of the present invention are characterized in that two DC motors (3) are symmetrically fixed on the car body (1), one end of the motor shaft is fixedly connected to the wheel (2), and the other end of the shaft is connected to the wheel (2). The shafts of the code discs (4) are connected; the gyroscope (7) is installed in the middle of the axis of the two wheels and the pendulum (5) is fixed; the controller (11), the remote control receiver (13), the power conversion module (15), the motor The driver (12) is welded on the circuit board (10); the circuit board (10) and the DC power supply (6) are fixed on the vehicle body (1); its balance control method includes automatically judging the zero voltage, correcting its drift, and reducing the measurement noise. to filter. The present invention avoids the control failure of the existing inverted pendulum due to mechanical transmission failure or possible errors caused by the transmission gap; it can walk back and forth, left and right, and remote control on the ground and slopes, can be used for teaching and scientific research, and can more effectively test various pendulums. Pros and cons of control algorithms.

The invention relates to an electrical structure of a solid combination switch which can switch automatically; a three-phase system busbar incoming line is connected with a series reactor, the line outgoing from the reactor is connected with a capacitor, the outgoing line end of an A-C phase capacitor is connected with two groups of thyristor valve strings, the valve strings are connected with a contactor in parallel and then are short-connected with the outgoing line of a B-phase capacitor; a wall feed-through sleeve, a bus connecting copper bar, a thyristor valve string, an insulator, a thyristor valve high potential electric board (TE board), a TE board energy delivery power supply, a high-frequency converter, a high-voltage cable, an energy delivery magnet ring transformer, a vacuum contactor, a valve base electronic device (VBE), a regulating unit and a man-machine interface part are integrated together by an equipment cabinet, the equipment cabinet can be directly hung a high-voltage electric power system, so as to ensure the insulation of high-low voltage systems; in addition, the contact can be switched at the zero crossing point under the reactive power condition of the system, and the solid combination switch can be operated on the equipment cabinet in the running process.

The invention discloses an LED display video transmission method, which relates to the technical field of video data transmission, and is characterized in that main LED display modules and slave LED display modules are arranged on an LED display screen, and a plurality of main LED display modules are cascaded to form a row for data transmission; each master LED display module and at least one slave LED display module are cascaded through the Ethernet to form a column for data transmission; after video source data input from the outside is processed by the transmitting device, one path of video source data is transmitted to the receiving device in the main LED display module at the same level to be processed, and the other path of video source data is transmitted to the transmitting device in the main LED display module at the next level to be processed. According to the method, the video sending function is decentralized, and the stability of the display effect is improved. Meanwhile, delay jitter and line interference of data among the display modules are avoided, and the phenomena of display asynchronization or picture tearing and the like are avoided.

The invention relates to a radio version robot electronic coach intelligent teaching system integrated host, comprising a radar module disposed in a front portion or a rear portion or a left portion or a right portion of the integrated host; and a wireless routing module, a GPS module, a radio module, a MCU and a regulated voltage source module which are disposed in the integrated host. The radar module, the wireless routing module, the GPS module, the radio module, the MCU and the regulated voltage source module are integrated in an embedded manner on a motherboard. The MCU is provided with an onboard information detection module thereon. The regulated voltage source module provides power to all the module components on the motherboard. The radio module sends score checking data to a base station of an electronic coach system in real time. The GPS module and the radio module are connected integrally. The wireless routing module transmits the processed information of the onboard information detection module by the MCU and the information of an information GPS module of the radar module to an onboard tablet PC and a central control computer of a driving school control center.

The invention discloses an interactive slide rail display system, belongs to the technical field of interactive display devices, and aims to provide the interactive slide rail display system capable of integrating a controller in a display and convenient to install and use. The invention provides the technical scheme points that the interactive slide rail display system comprises at least one display device and a slide rail, wherein an installation frame for installing the display device is arranged on the slide rail; a telescoping mechanism capable of stretching out and drawing back a movingscreen is arranged between the installation frame and the moving screen; an installation mechanism for connecting the telescoping mechanism and the moving screen is arranged between the telescoping mechanism and the moving screen; a drive device for driving the installation frame to move on the slide rail is arranged between the slide rail and the installation frame; the display device comprises the moving screen and a controller integrated into the moving screen; displacement sensors are arranged at two ends of the slide rail; and the displacement sensors and the drive device are electricallyconnected with the controller. Through integrating the controller in the display screen, the external wire connection can be reduced, and the interactive slide rail display system is simple to install and debug, and is convenient to maintain in the later period at the same time.

The invention provides a driving and motor integration machine for a wind power generation variable propeller system. The driving and motor integration machine comprises a driving portion and a motorportion. The driving portion and the motor portion are connected with each other. A driving circuit, a switch power source and a control circuit are integrated on the driving portion. A permanent magnet synchronous motor, a motor brake, a position / speed sensor and a KTY temperature sensor are integrated on the motor portion. The driving signal output end of the control circuit is connected to thedriving signal input end of the driving circuit, and the driving signal output end of the driving circuit is connected to the driving signal input end of the permanent magnet synchronous motor. The motor brake is connected to a brake interface of the control circuit, the speed sensor is connected to an encoder interface of the control circuit, and the KTY temperature sensor is connected to a temperature sensor interface of the control circuit.

The invention relates to an electrical structure of a solid combination switch which can switch automatically; a three-phase system busbar incoming line is connected with a series reactor, the line outgoing from the reactor is connected with a capacitor, the outgoing line end of an A-C phase capacitor is connected with two groups of thyristor valve strings, the valve strings are connected with a contactor in parallel and then are short-connected with the outgoing line of a B-phase capacitor; a wall feed-through sleeve, a bus connecting copper bar, a thyristor valve string, an insulator, a thyristor valve high potential electric board (TE board), a TE board energy delivery power supply, a high-frequency converter, a high-voltage cable, an energy delivery magnet ring transformer, a vacuum contactor, a valve base electronic device (VBE), a regulating unit and a man-machine interface part are integrated together by an equipment cabinet, the equipment cabinet can be directly hung a high-voltage electric power system, so as to ensure the insulation of high-low voltage systems; in addition, the contact can be switched at the zero crossing point under the reactive power condition of the system, and the solid combination switch can be operated on the equipment cabinet in the running process.

The invention relates to a box of a valve-base electronic (VBE) device which is capable of automatically switching on and off a solid-state complex switch. The VBE device needs to be externally connected with both a secondary 100V AC synchronous signal for a three-phase voltage transformer and a control system for a 220V DC power. After an operating switch spanner is operated to enable the VBE device to operate automatically, the VBE device can automatically switch on and off a parallel capacitor set when the system needs to supplement or switch off the capacitive reactive power. After the operating switch spanner is operated to enable the VBE device to be operated manually, the solid-state complex switch can be switched on and off simultaneously without arcing by using a switching on andoff spanner and an integrated automation system in the station.

The invention discloses an aerostat cable retracting experiment system based on Profinet communication. 1. A cable storage winch and a control system for storing cables, one end of the cable is tied to the load winch, and then bypasses the force measuring pulley, the traction winch and the cable discharge mechanism in turn, and is tied to the cable storage winch; the control system is connected with the cable storage winch respectively. The load winch, traction winch, cable discharge mechanism and cable storage winch are connected and their running states are controlled respectively. The invention utilizes a load winch that can provide load changes to overcome the limitations of the traditional tower suspension heavy load test, uses the load winch to realize the verification of cable discharge speed and operating characteristics under full load conditions, and can simulate the load change of the aerostat.

The invention relates to the field of fuel cells, and discloses an all-in-one controller and a fuel cell system applying the same. The all-in-one controller comprises a multi-core control module, a low-voltage processing circuit module, a step-down DC / DC power driving module, a hydrogen pump driving module, a water pump driving module, an air compressor driving module, a step-up DC / DC and high-voltage power distribution module and a functional safety module, wherein the multi-core control module is connected with the low-voltage processing circuit module, the step-down DC / DC power driving module, the hydrogen pump driving module, the water pump driving module, the air compressor driving module, the step-up DC / DC and high-voltage power distribution module and the functional safety module. The invention provides an all-in-one controller, which solves the problems that the number of controller components in a fuel cell engine is large, the space of a fuel cell system is occupied, wiring is complex, cost is high, and no functional safety package exists.

The invention discloses a display module which comprises a display circuit, a key circuit, a communication circuit and a driving module, wherein the driving module is respectively in electric connection with the display circuit, the key circuit and the communication circuit. The driving module is used for acquiring a key signal of the key circuit, sending the key signal to a preset main control board through the communication circuit and driving the display circuit to display according to a display signal returned by the main control board. The invention also discloses a microwave oven. The invention can promote the stability of circuit work.

The invention provides a circuit of in-pace rotary knobs of an electric actuator. The circuit of the in-pace rotary knobs of the electric actuator comprises a casing, a main control module and a rotary knob module, wherein the outside of the casing is provided with the in-pace control rotary knob and the in-pace operation rotary knob, and the in-pace control rotary knob and the in-pace operation rotary knob are both provided with magnets; the main control module comprises a micro-control unit, a power supply control unit controlled by the micro-control unit and a first plug-in module with 5 ports, and the power supply control unit is provided with a first end, a second end and a third end; the rotary knob module is arranged inside the casing and is connected with the main control module through an external connecting wire, the rotary module is provided with a second plug-in unit with a first port, a second port, a third port, a forth port and a fifth port, the first port, the second port, the third port and the forth port are respectively connected with a reed switch used for sensing the position of the magnets. The circuit of the in-pace rotary knobs of the electric actuator can improve detection means and judging functions of an electric actuator reduce installation and material costs and probability of fault points and improve reliability of the control circuit.

The invention discloses laser welding control equipment integrating bus stepping drive and control. According to the equipment, a driver and a controller are installed in a shell and can be connected with a relay, a contactor and a plurality of stepping motors, an EtherCAT bus communication protocol is adopted between the driver and the controller, and a laser control module and an IO input and output module are arranged on the controller. According to the bus stepping drive and control integrated laser welding control equipment, the welding controller and the motor driver are integrated into a whole and connected with other equipment in a welding mechanism, the communication speed is high, external wiring is reduced, and the use cost is reduced. And the anti-interference capability and the stability of the equipment are greatly improved.

The invention discloses a video frame processing system, which comprises a body, a control keyboard and a video acquisition module arranged on one side of the body, an organic seat is arranged under the body, a display module is inlaid on the front surface of the body, and an image matching device is connected to the input end of the display module. Module, the control keyboard is equipped with a Bluetooth sensor device inside, the output end of the video acquisition module is connected to a storage module, one end of the storage module is connected to a video extraction module, one end of the video extraction module is connected to a video preprocessing module, and one end of the video preprocessing module is connected to a video A framing module, one end of the video framing module is connected to a counter, one end of the counter is connected to a central controller, and the other end of the video framing module is connected to a video motion compensation module, the present invention can realize The observation, recording and control of data related to the framing process greatly realizes the multi-functional use of the user, and the operation is simple and sensitive.