40 results about "Relay control systems" patented technology

The invention relates to the technical field of electromagnetic relay control, in particular to an electromagnetic relay control system, which comprises a relay execution unit, a contact state monitoring unit and an intelligent viscosity elimination control unit, and is characterized in that the contact state monitoring unit acquires quantum tunneling effect impedance spectroscopy and acoustic emission energy entropy change signals in real time; the intelligent viscosity-eliminating control unit analyzes signals through a fusion welding risk multi-dimensional evaluator, triggers a three-stage control sequence, firstly starts a magnetostriction high-frequency oscillator to inject an inverted eddy current array, activates a hysteresis loop restorer to apply a gradient demagnetization potential field if the fusion welding risk multi-dimensional evaluator is not recovered, and finally, recovers the fusion welding risk multi-dimensional evaluator; when an acoustic emission signal is abnormal, a chaotic encryption message is generated through the fault feature topology generator and is linked with the magnetic solitary wave breaking device, ultrasonic frequency mechanical energy can be captured and converted into regenerative current, an adhesion evolution path is reconstructed after diagnosis, the problems of contact adhesion risk identification lagging and lack of multi-physics field cooperative control in the prior art are solved, and the reliability of the contact adhesion risk identification is improved. And the adhesion early warning success rate and the removal efficiency are improved.

The utility model discloses a relay control circuit, a relay control system, a relay control chip, relay control equipment and an electric vehicle. The relay control circuit comprises a latch control sub-circuit and a high-side driving sub-circuit. The latch control sub-circuit is used for transmitting, latching or resetting based on an original control signal to obtain a latch control signal. And the high-side driving sub-circuit is used for controlling the on-off of the driving power supply and the relay coil based on the latch control signal so as to control the on or off of the relay. And the latch control sub-circuit controls the latch output end to close the output after confirming that the system power supply is powered on again through the system energy supply end, and starts the output of the latch output end after the original control signal is reset, so that the control signal is latched at a second level. By means of the circuit, misoperation of the relay can be effectively avoided, high efficiency and stability of relay control are facilitated, and then the safety and comfort of electric vehicle driving are improved.

The utility model discloses an ARM-based embedded mine inspection robot control system, which comprises an upper computer, an ARM control system, a communication acquisition system, a motion control system, a relay control system and a display system, and is characterized in that the upper computer comprises a flat plate, a platform and a remote controller and controls the inspection robot to move in various wireless control modes; meanwhile, environment data under the mine and state information data of the inspection robot are collected, and accurate control over the mine inspection robot is achieved.

A relay module and a relay control system. The relay module comprises a housing (1), two relay cores (2), a current transformer (3), two power supply terminals (5), and two load terminals (6). The two relay cores (2) are arranged within the housing (1); the two power supply terminals (5) and the two load terminals (6) are fixedly arranged on the housing (1); each relay core (2) having a magnetic circuit part (21) and a contact arrangement (22); the two power supply terminals (5) are each connected to the two load terminals (6) via the contact arrangements (22) of the two relay cores (2) to form two on-off control channels, the two on-off control channels being used to form a loop with a load connected to the two load terminals (6); the current transformer (3) is mounted in one of the on-off control channels.

The utility model relates to a relay control system, electrical equipment and a vehicle, and relates to the technical field of relay driving. The relay control system comprises a high-side driving circuit, a conversion circuit and a control circuit. Wherein the high-side driving circuit is connected with a coil of the relay, provides driving current for the coil and generates a recovery current signal according to the driving current. The conversion circuit is connected with the high-side driving circuit and converts the recovery current signal into a recovery voltage signal. The control circuit is connected with the conversion circuit, samples the recovery voltage signal to obtain a recovery voltage value, and generates a pulse width modulation signal for controlling the relay according to the recovery voltage value. Therefore, as the on-off control of the relay is directly related to the current flowing through the coil, the overcurrent on the coil can be mastered in a mode of collecting the current flowing through the coil as the feedback quantity, so that the relay can be more accurately controlled, the control flow is closed, and the safety of relay control is improved.

The utility model relates to the technical field of whole house intelligence, in particular to a relay control system between two heat sources, which comprises a temperature controller, a gas furnace indoor unit, a heat pump outdoor unit and a relay device. Data ports of the temperature controller, the gas furnace indoor unit and the heat pump outdoor unit are electrically connected with the relay device respectively; the relay device is provided with a mode signal distribution module and used for receiving data signals of the temperature controller and feedback signals of the heat pump outdoor unit, and the data signals and the feedback signals are distributed to the gas furnace indoor unit and the heat pump outdoor unit through the mode signal distribution module. The problem that combination of mode signals received between two heat sources is abnormal due to signal line sharing is solved.

The relay control system of the present application, the signal strength acquisition circuit acquires the amplitude of the relay input signal, and outputs to the attenuation amount calculation circuit after filtering and following, calculates the difference with the relay output standard signal, and obtains the attenuation amount added to the gate of the field effect transistor T1, controls the resistance between the drain and source of the field effect transistor T1, the amplifier amplification adjustment circuit adopts frequency selection to receive the relay input signal, and adds to the input end of the photoelectric coupler U1 through the amplification of the operational amplifier AR4, the amplified voltage controls the amplification multiple of the feedback control operational amplifier AR4, the resistance R15, the resistance R16 or the resistance R16 to ground in series, which is used to further adjust the input end voltage of the photoelectric coupler U1, so as to realize the two-stage dynamic adjustment of the amplification multiple, the amplifier power supply adjustment circuit receives the voltage after the voltage division of the resistance R8, the resistance between the drain and source of the field effect transistor T1 and the resistance R9, and adds to the control electrode of the thyristor BCR1, adjusts the output voltage of the thyristor BCR1, provides appropriate power supply for the operational amplifier AR4, and reduces the power consumption.

The utility model discloses an air draft control mechanism and a laser processing machine, the air draft control mechanism comprises a control system, a first relay and a second relay, the first control end of the control system is connected with the coil terminal of the first relay, and the second control end of the control system is connected with the coil terminal of the second relay. The normally-closed end of the first relay is connected with the first common end of the second relay, and the normally-open end of the first relay is connected with the second common end of the second relay, so that a first control circuit, a second control circuit, a third control circuit and a fourth control circuit are formed and correspond to four air draft areas on the machine tool respectively. In the machining process of the laser machining machine, the control system can control any one air draft area to conduct air draft action only through the control signals of the first control end and the second control end, other air draft areas do not conduct air draft, and the number of the control signals used for air draft control is effectively reduced.

The relay is turned off at a more appropriate time. [Solution] A relay control system comprising a first control device that operates using power from a battery and transmits a relay disconnection request, and a second control device that turns off the relay when it receives a disconnection request from the first control device, wherein the second control device turns off the relay when communication with the first control device is interrupted for a first hour and the battery voltage is below a predetermined voltage. As a result, the relay can be turned off at a more appropriate timing.

The invention provides a relay, a relay control system, a relay control method and a vehicle, and relates to the technical field of electronics, the relay comprises a driving coil, a moving contact, a static contact, a coil control line and an excitation module; the coil control line is connected in series with the driving coil; the excitation module and the static contact are located on the same side of the moving contact. The excitation module comprises an excitation source and a pushing block, the excitation source is located on the side, away from the moving contact, of the pushing block, and the excitation source is configured to disconnect the coil control line when receiving an excitation signal and drive the pushing block to push the moving contact. According to the relay, the disconnection performance of the relay can be improved.

The invention relates to a relay, a control system and a vehicle. The relay comprises a power device, a contact device and a transmission device, the contact device comprises at least one first terminal and at least one second terminal, and the first terminal can move relative to the second terminal; one end of the transmission device is connected to the power device, and the other end is connected to the first terminal; when the power device works, the power device drives the transmission device to move, so that the first terminal and the second terminal are electrically connected or disconnected; when the first terminal is electrically connected with the second terminal, the power device does not work; and the transmission device limits the first terminal, so that the first terminal is electrically connected with the second terminal, and the relay continues to work. The invention aims to solve the technical problem that the relay cannot stably guarantee the contact state in the prior art.

Aspects of the subject disclosure may include, for example, a device comprising: a processing system including a processor; and a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, the operations comprising: determining that the device will be communicating as a remote user equipment (UE) with a wireless access point of a network via a relay UE, wherein the relay UE is configured to forward first communications from the device when the device is operating as the remote UE to the wireless access point, and wherein the relay UE is configured to forward second communications from the wireless access point to the device when the device is operating as the remote UE; creating a message indicative of the device operating as the remote UE, the message conforming to a communication protocol; and transmitting the message to the relay UE. Other embodiments are disclosed.

The invention provides an extensible relay control method and system for an intelligent electric energy meter, and relates to the field of relay control of the intelligent electric energy meter, the relay control system is divided into a logic unit, an integration unit and an execution unit; all control tasks in the logic unit run independently, and control task expectations are output respectively; the integration unit is responsible for integrating control expectation of each task, determining a final relay control command through an internal competition mechanism, and feeding back the final relay control command to the logic unit; and the execution unit executes according to the received command and feeds back an execution result to the logic unit. The method has high expandability, is convenient and flexible to apply, can be widely adapted to different power use scenes and requirements, and effectively improves the intelligent level and comprehensive benefits of cost control management of the electric energy meter.

A power converter comprises an electrical network that includes several intermediate nodes. Each intermediate node is designed to connect to a phase of an alternating current (AC) power source, the electrical network is designed to convert AC current into direct current (DC) current, and the electrical network includes several electronic switches.The power converter also includes a DC link electrically connected to the electrical network; a pre-charge path electrically connected to the DC link, wherein the pre-charge path includes a pre-charge impedance; a control path electrically connected to one of the electronic switches, wherein the control path includes a relay; and a control system designed to analyze several electrical measurements from the power converter to determine a status output; and to determine whether the relay should be controlled to change state, based on the status output.

A reflection unit of a relay apparatus includes a plurality of reflection elements capable of applying independent phase shifts to an incoming wave from a transmission point. The reflection unit estimates a distance between the relay apparatus and a reception point based on terminal information transmitted from the reception point. The number of divisions for grouping the plurality of reflection elements is determined based on the distance. The plurality of reflection elements are grouped into one or more reflection element groups according to the division number. The position of the reception point is estimated based on the terminal information. Each of the reflection element is applied a phase weight so that each of the reflection element groups generates a beam toward the position of a reception point.

The invention provides a relay control system, method and device for cross-network remote desktop access, and belongs to the technical field of cloud computing. The method comprises the following steps: performing multiple authentication, protocol conversion and security check between a cloud desktop client and a cloud desktop server by executing a cloud desktop access authentication process to establish two-way communication; cloud desktop keyboard and mouse data of the cloud desktop client side are transmitted to the cloud desktop server side by executing the cloud desktop interaction operation process, and cloud desktop image data generated by the cloud desktop server side are returned to the cloud desktop client side. According to the invention, the remote desktop service that the high-security-level network of the physical isolation network accesses the low-security-level network is realized, strict data format and content inspection can be carried out on the data entering and exiting the network, and the transmission of illegal data can be effectively prevented.

According to the servomotor control system and method, when a guide vane servomotor is in a closed state, a locking unit is used for locking the closed state of the guide vane servomotor, and the situation that the guide vane servomotor is opened by mistake, and consequently the position of a blade is hidden is prevented. The accident pressure distribution control unit is used for controlling on-off of the accident pressure distribution unit, the accident pressure distribution valve can be closed in time, and the stability of the system is improved. A first locking unit of the locking unit is connected with a third locking unit through a second locking unit, when the guide vane servomotor is in a closed state, the guide vane servomotor locks the second locking unit, so that the third locking unit locks the guide vane servomotor in the closed state, when the guide vane servomotor is opened, the second locking unit does not lock, and when the guide vane servomotor is closed, the third locking unit locks the guide vane servomotor in the closed state. When the first locking unit is operated by mistake, control over the guide vane servomotor is not affected, and therefore the problem that the guide vane servomotor is locked by mistake in the open state is solved.

This invention discloses a relay control system and method, comprising: an intelligent battery box, a controller ECU, and an engine ECM; the intelligent battery box includes a first relay, a second relay, and a third relay; the first relay is connected to the controller ECU and the engine ECM, the controller ECU is connected to the second relay, and the engine ECM is connected to the third relay; the second relay is connected to the engine's starting circuit, and the third relay is connected to the engine's preheating circuit. This invention provides corresponding operations by monitoring the coil triggering state and on-state of the relays, thereby ensuring the accurate operation of the relays and preventing electrical damage caused by relay malfunctions.

The utility model provides a relay state acquisition driving device and a relay control system comprising the same, the device comprises a main controller, a plurality of relay state acquisition circuits and a plurality of pulse driving circuits, the relay state acquisition circuits and the pulse driving circuits are connected with the main controller, and the relay state acquisition circuits have the same circuit structure. Each pulse driving circuit comprises a diode D1, a resistor R1, a resistor R2, a voltage stabilizing diode D2, a first photoelectric coupler and a transient suppression diode T1, the circuit structures of the pulse driving circuits are the same, each pulse driving circuit comprises an optocoupler isolation circuit and a driving circuit, and the output end of the optocoupler isolation circuit is connected with the input end of the driving circuit. The relay control system comprises an upper computer and a relay combination, and further comprises the relay state acquisition driving equipment, and the relay state acquisition driving equipment is respectively in communication connection with the upper computer and the relay combination. Therefore, the utility model provides a novel acquisition driving device which is high in reliability, safe, stable and capable of meeting the principle of fault safety.

A power converter includes an electrical network including a plurality of intermediate nodes. Each intermediate node is configured to connect to one phase of an alternating current (AC) electrical power source, the electrical network is configured to convert AC electrical current to direct current (DC) electrical current, and the electrical network includes a plurality of electronic switches. The power converter also includes a DC link electrically connected to the electrical network; a pre-charge path electrically connected to the DC link, the pre-charge path including a pre-charge impedance; a control path electrically connected to one of the electronic switches, the control path including a relay; and a control system configured to analyze a 10 plurality of electrical measurements from the power converter to determine a status output; and determine whether to control the relay to change state based on the status output.

This invention discloses a multi-track independent power supply and relay control system for vertical continuous electroplating of PCBs, comprising: an electroplating tank, cathode hangers, cathode power supply tracks, anode units, and control components, including a position tracking module, a power control module, and a cross-tank relay power supply control module. The position tracking module is used to track the position of each cathode hanger in real time. The power control module is used to independently adjust the current output parameters of each power supply track segment and the first anode area and the second anode area. The cross-tank relay power supply control module is used to coordinate the output timing and current intensity of the power supply before and after when the cathode hanger crosses the power supply track segment corresponding to different electroplating tanks, so as to smoothly transition the electroplating charge on the PCB board. This invention can solve the problem of uneven plating between boards and within boards caused by parallel power supply of multiple hangers in the same tank in traditional PCB electroplating equipment.

A relay apparatus includes a plurality of reflection elements that applies independent phase shifts to an incoming wave, a communication circuitry that receives transmission point information from one or more transmission points, an element allocation circuitry, and a phase control circuitry. The element allocation circuitry determines the number of communication links to be established via the relay apparatus based on the transmission point information, determines the number of reflection elements to be allocated to each of the communication links, and determines a reflection element to be allocated to each of the communication links according to the number of the reflection elements. The phase control circuitry determines the phase weights so that a beam directed to a reception point being a communication destination of each communication link is generated by a reflection wave generated by each reflection element allocated to each of the communication links.

The utility model relates to the technical field of relay control, which comprises a control host, the control host comprises a main control computer used for sending control signals containing control parameters and a main control device used for receiving and analyzing the control signals sent by the main control computer, and the main control device comprises a control module and a driving module. The main control computer is connected with the control module of the main control device through a connecting line, and the control module is connected with the relay module, the sensor module and the communication module through connecting lines. According to the utility model, multiple control functions are integrated, simple switch control can be realized, complex logic control tasks can be completed, diversified control requirements in different scenes can be satisfied, and especially through cooperation of the master control device and the slave device, more complex control scenes can be coped with. The state of the system is monitored in real time through a sensor, automatic control and fault early warning can be achieved, and the reliability of the system is improved. The system has good compatibility and integration of various communication interfaces, can be seamlessly jointed with various automation devices and intelligent control systems, facilitates integration and expansion of the system, and adapts to the development requirements of modern industry and life.

The application provides a quick breaking circuit and a relay control system. The quick breaking circuit comprises a relay, a current detection module and a voltage control module. The relay has an electromagnetic coil and a switching mechanism for conducting or disconnecting a power supply circuit according to the on-off of the electromagnetic coil. The current detection module is coupled with the power supply circuit and is configured to detect the line current of the power supply circuit. The input end of the voltage control module is connected with the output end of the current detection module. When the line current is less than a first preset value, the voltage control module provides a first preset voltage to the electromagnetic coil. When the line current is greater than or equal to the first preset value, the voltage control module provides a second preset voltage to the electromagnetic coil. The second preset voltage is greater than the first preset voltage. The application takes into account the normal operation and short-circuit quick operation of the relay, and can not only ensure the service life of the relay, but also realize the quick breaking of the relay.

The invention discloses a control system and a control method of a hydraulic tool, the control system comprises an electrical control system and a hydraulic control system, and the control method is to realize button-free control through an M code in a machine tool PMC. The electrical control system is composed of a numerical control system, an I / O unit for OI, an I / O unit for a noseplate, a deconcentrator and a relay control system. The numerical control system is connected with the I / O unit for 0I through an I / O Link bus, then connected with the I / O unit for the noseplate through an I / O connecting cable, connected with the deconcentrator through a 50-core cable, connected with the relay control system through a cable and finally connected with the hydraulic control system. The hydraulic tool is provided with ten hydraulic lever oil cylinders and related positioning elements and is connected with a hydraulic station through a hydraulic pipe. Button-free control is achieved through M codes in a machine tool PMC, and the problems that an existing tool clamp needs manual positioning and clamping, and the labor intensity of workers is high are solved.

Disclosed are a relay control system, comprising: a smart electrical box (101), a controller ECU (102), and an engine ECM (104); the smart battery box (101) comprises a first relay, a second relay, and a third relay; the first relay is connected to the controller ECU (102) and the engine ECM (104), the controller ECU (102) is connected to the second relay, and the engine ECM (104) is connected to the third relay; the second relay is connected to a starting circuit of an engine, and the third relay is connected to a preheating circuit of the engine. The present invention monitors a coil trigger state and an on-state of the relay and provides an appropriate operation, thereby ensuring the accurate operating status of the relay, and preventing damage to an electrical device caused by an incorrect relay state. Further disclosed is a relay control method.

The invention relates to the technical field of welding, in particular to an isolated wire feeding relay control system and method, a wire feeding relay and a wire feeding system.The control system comprises an input unit, a control unit, a driving unit and an output unit. The input unit receives local switch signals and superior wire feeding parameters; the control unit processes the information and generates a motor control instruction, and organizes to-be-synchronized wire feeding parameters and system state information at the same time; the driving unit drives the motor to execute wire feeding or wire drawing action; and the output unit directly switches the switching signal to a subsequent repeater, and synchronizes the wire feeding parameters and the system state information in a communication mode. According to the system, through modular design and electrical isolation between the input and output units and the control and drive units, the anti-interference capability and the signal stability are effectively improved, and intelligent cooperation and reliable operation of multiple repeaters are realized.

This application relates to a main and negative relay control system, method, computer device, computer-readable storage medium, and computer program product. The method includes: acquiring a first current voltage difference at a target sampling point relative to the negative terminal of the power battery; controlling the main and negative relay to close when the first current voltage difference is less than or equal to a first calibrated voltage difference and greater than or equal to a second calibrated voltage difference; acquiring a second current voltage difference at the target sampling point relative to the negative terminal of the power battery while the main and negative relay is in the closed state; and controlling the high voltage to be applied to the vehicle's high-voltage system when the second current voltage difference is less than or equal to a third calibrated voltage difference. This method ensures that the relay closing operation is performed within a suitable voltage range, avoiding instantaneous high-current surges caused by excessively large or small voltage differences, improving the safety of the relay and the high-voltage system, and thus improving the stability of the vehicle's high-voltage system.

A relay control system is provided with: a first control device that operates by means of power from a battery and transmits a request for switching off a relay; and a second control device that turns off the relay when receiving a turn-off request from the first control device, the second control device turning off the relay when communication with the first control device is interrupted for a first time period and when the voltage of the battery is less than a predetermined voltage.

The application provides a control method, a control device and a relay control system of a vehicle. The method comprises: controlling a relay of the vehicle to be closed according to a state of the vehicle and / or a control demand of a driver; detecting a state of the relay; executing normal control logic when the state of the relay is a normal state; and controlling the relay to be delayed to be opened when the state of the relay is an abnormal state. In the scheme, the relay is directly controlled to be locked in a closed state. When the state of the relay is detected to be the normal state, the vehicle can execute the normal control logic. When the state of the relay is detected to be the abnormal state, the relay is still controlled to be kept in the closed state, and then the relay is controlled to be delayed to be opened. In this way, the relay and the motor can be kept electrically connected all the time, the vehicle will not suddenly lose power, and the vehicle can have enough power to control the vehicle to be safely parked, thereby ensuring the safety during the driving of the vehicle.