152 results about "Solid-state relay" patented technology

The invention discloses an electric aircraft high-voltage power distribution control method and system, a medium and a product thereof, and relates to the technical field of high-voltage power distribution, and the method comprises the steps: receiving a DC power supply outputted by a power battery pack, and achieving the power-on soft start through a pre-charging loop; distributing electric energy to a motor controller, an auxiliary power supply module, an air conditioning system and an electric heating system through a power distribution level according to the load priority; the power distribution stage integrates multiple solid-state relays or contactors to form load branches. An independent protection unit is configured for each load branch at a load output stage, and the independent protection units monitor voltage, current and temperature parameters in real time and execute fault isolation operation when the monitored parameters exceed corresponding preset thresholds. According to the invention, high-voltage power distribution control with load priority scheduling and branch-level rapid fault isolation is realized under the condition of high power density.

This utility model discloses a heat dissipation mechanism for a solid-state relay, including a housing for mounting the relay body, a top cover fixedly connected to the inner wall of the housing, an air inlet and an air outlet on both sides of the housing, an air inlet pipe fixedly connected to one side of the housing corresponding to the air inlet, a filter screen fixedly connected to the inner wall of the air inlet pipe, a support shaft fixedly connected to one side of the housing, a rotating arm rotatably connected to one end of the support shaft, and bristles fixedly connected to the side of the rotating arm near the filter screen. When the bristles rotate to below the air inlet pipe, a movable column contacts a fixed column, and the fixed column presses against the movable column, causing the movable column to move towards the side closer to the filter screen. This compresses a spring and drives a sliding rod to move, which in turn moves a movable plate away from the rotating arm, cleaning the bristles. This allows the heat dissipation mechanism for the solid-state relay to effectively clean the bristles, preventing dust adhering to the bristles from affecting the subsequent cleaning of the filter screen.

The utility model relates to a remote control device for medical equipment, which comprises a signal transmitting mechanism and a signal receiving mechanism, the signal transmitting mechanism is in wireless signal connection with the signal receiving mechanism, and the signal transmitting mechanism comprises a wireless signal transmitting module and a plurality of pedals. The signal receiving mechanism comprises a wireless signal receiving module and a plurality of signal transmission units, the remote control device for the medical equipment adopts an MOSFET output solid-state relay with an optical coupling isolation function, and then the wireless signal transmitting module of the STR885 model is matched with the wireless signal receiving module of the SRX885 model, so that the remote control device for the medical equipment is realized. According to the relay, on-off control of an external load can be achieved, the relay does not need to consider the voltage matching problem of an original driving circuit, mechanical contact bidirectional conduction is avoided, the adaptability and compatibility are improved, and the practical value is improved.

The invention discloses a high-reliability miniature solid-state relay, which comprises a plastic shell, a relay core and a relay core, wherein the plastic shell is formed by injection molding; the integrated power module comprises two silicon carbide (SiC) MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) chips which are connected in parallel, and the chips are connected through a silver sintering technology; the multilayer ceramic substrate is prepared by adopting an LTCC (Low Temperature Co-Fired Ceramic) process and comprises a first insulating layer and a second insulating layer; the invention provides a gel sealing system and a pin assembly. The high-reliability miniature solid-state relay is light in weight, lower in cost and longer in service life. The invention further discloses a manufacturing method of the high-reliability miniature solid-state relay.

This invention discloses a control circuit based on a hybrid switching timing of relays and thyristors. By connecting the thyristor in parallel with the relay, the thyristor bears the load current before and after the relay is closed, thus avoiding contact arcing. The control unit triggers the thyristor at the AC zero-crossing point, reducing switching losses and electromagnetic interference, and combines an RC snubber circuit with optocoupler isolation to improve reliability. This device can increase the relay lifespan from 20,000 cycles to 500,000 cycles, and its cost is only 1 / 3 that of a solid-state relay, making it particularly suitable for soft-start control of high-current inductive loads.

The utility model discloses full-automatic temperature detection equipment for a protector, relates to the field of temperature detection equipment, and solves the problems that the reading and recording of temperature values depend on manual operation, so that the detection precision is not high, the detection is easily influenced by human factors, and the working efficiency is high. Comprising a PLC control module, an oil tank control system, a display screen, a transmission mechanism, a detection mechanism, a sorting mechanism, a feeding mechanism, a discharging mechanism, a stirring mechanism and a machine body frame. The oil tank control system consists of a PLC (Programmable Logic Controller), a servo driver, four oil tanks (a low-temperature tank, a high-temperature tank, a low-return tank and a high-return tank), a heating pump solid-state relay and a cooling pump contactor, the four oil tanks are electrically connected with the machine body frame, the PLC controls the servo driver, the equipment replaces manual repeated labor, the labor intensity of workers is reduced, and compared with a manual test process method, the test efficiency is greatly improved. The production efficiency is improved, the unit labor cost is reduced, the quality of the protector is improved, and the market competitiveness of the protector is improved.

Semiconductor relay module, comprising: a first semiconductor relay (10), including a first input circuit (11) and a first output circuit (12); a second semiconductor relay (20), including a second input circuit (21) and a second output circuit (22); a third semiconductor relay (30), including a third input circuit (31) and a third output circuit (32); a fourth semiconductor relay(40), including a fourth input circuit (41) and a fourth output circuit (42); a fifth semiconductor relay (50), including a fifth input circuit (51) and a fifth output circuit (52); a sixth semiconductor relay (60), including a sixth input circuit (61) and a sixth output circuit (52); a package (70) designed to accommodate the first solid-state relay (10), the second solid-state relay (20) and the third solid-state relay (30) in the package (70); a first input terminal (71), a second input terminal (72) and a third input terminal (73) arranged in the package (70), wherein the first input terminal (71), the second input terminal (72) and the third input terminal (73) are each partially exposed to the outside of the package (70); a first output terminal (81), a second output terminal (82), a third output terminal (83), a fourth output terminal (84) and a fifth output terminal (85) arranged in the package (70), wherein the first output terminal (81), the second output terminal (82), the third output terminal (83), the fourth output terminal (84) and the fifth output terminal (85) are each partially exposed to the outside of the package (70); a first connecting line (80) for connecting the first output circuit (12) and the second output circuit (22) in the package (70), a second connecting line (86) for connecting the fourth output circuit (42) and the fifth output circuit (52) in the package (70), wherein the first input circuit (11) is connected to the first input terminal (71) and the second input terminal (72) in the package (70), wherein the second input circuit (21) is connected to the first input terminal (71) and the second input terminal (72) in the package (70), wherein the third input circuit (31) is connected to the first input terminal (71) or the second input terminal (72) in the package (70), wherein the third input circuit (31) is connected to the first input terminal (71) in the package (70), wherein the fourth input circuit (41) is connected to the first input terminal (71) and the second input terminal (72) in the package (70), wherein the fifth input circuit (51) is connected to the first input terminal (71) and the second input terminal (72) in the package (70), wherein the sixth input circuit (61) is connected to the first input terminal (71) or the second input terminal (72) in the package (70), wherein the sixth input circuit (61) is connected to the third input terminal (73) in the package (70), wherein the first output circuit (12) is connected to the first output terminal (81) and the first connecting line (80) in the package (70), wherein the second output circuit (22) is connected to the second output terminal (82) and the first connecting line (80) in the package (70), wherein the third output circuit (32) is connected to the third output terminal (83) and the first connecting line (80) in the package (70), wherein the fourth output circuit (42) is connected to the fourth output terminal (84) and the second connecting line (86) in the package (70), the fifth output circuit (52) is connected to the fifth output terminal (85) and the second connecting line (86) in the package (70); and the sixth output circuit (62) is connected to the third output terminal (83) and the second connecting line (86) in the package (70); wherein in a first state in which current flows through the first input terminal (71) and the second input terminal (72) without flowing through the third input terminal (73), the first output circuit (12) and the second output circuit (22) are designed to be switched on, the third output circuit (32) is designed to be switched off, the first output terminal (81) and the second output terminal (82) are designed to be electrically connected to each other, and the first connecting line (80) and the third output terminal (83) are designed to be electrically disconnected from each other, and wherein in a second state in which current flows through the third input terminal (73) without flowing through the first input terminal (71) and the second input terminal (72), the first output circuit (12) and the second output circuit (22) are designed to be switched off, the third output circuit (32) is designed to be switched on, the first output terminal (81) and the second output terminal (82) are designed to be electrically disconnected from each other, and the first connecting line (80) and the third output terminal (83) are designed to be electrically connected to each other.

1. Name of the designed product: solid-state relay case (recovery). 2. Use of the designed product: used for protecting the circuit board on the solid-state relay. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: front view.

The utility model discloses a combined permanent magnet self-inductance generator motor which is composed of a disc-type stator, a radial stator, a permanent magnet rotor, a power switch control system and a power generation switch control system. The disc type stator generates clockwise torque force on the permanent magnet rotor in the axial magnetic field direction, and the radial stator also generates clockwise torque force on the permanent magnet rotor in the radial magnetic field direction. And electric energy generated by the disc-type stator winding iron core, the radial stator winding iron core and the winding opposite to the permanent magnet rotor due to power-off self-inductance is guided to a battery or other electric equipment by closing the solid-state relay II. Therefore, compared with a single disc type or radial type permanent magnet self-inductance generator motor, the permanent magnet rotor has larger torque force, and the stator winding converts magnetic field energy into electric energy to be output, so that the permanent magnet energy is higher in utilization rate. If the device is installed on an electric automobile, the cruising ability of the electric automobile is greatly improved, and the battery consumption is reduced.

1. Name of the designed product: solid state relay (resettable fuse). 2. Use of the designed product: used in control circuit. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: front view.

A hybrid wireless power device comprises a single coil operated at two or more resonance frequencies. For example, a control circuit controls the voltage applied across a power transmission coil of a hub, and a frequency control circuit comprises a switch, such as a solid state relay, for switching between a first capacitance and a second capacitance for shifting the resonance frequency from a first resonant frequency to a second resonant frequency.

1. The name of the design product: plug-in solid state relay. 2. The use of the design product: for switching on or off power control. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The embodiment of the application provides a kind of battery voltage detection system, it is related to battery technical field.It includes: control end and execution end, control end includes controller and photoelectric coupler;Execution end includes charging power supply, battery, bus, switching element and polarity switching circuit, switching element is solid-state relay or MOS tube;Bus includes first bus and second bus, and polarity switching circuit includes first switching element group and second switching element group;The positive pole of charging power supply is connected with first bus by first switching element group, and the negative pole of charging power supply is connected with second bus by first switching element group;The positive pole of charging power supply is connected with second bus by second switching element group, and the negative pole of charging power supply is connected with first bus by second switching element group, and polarity switching circuit is used to switch the polarity of charging power supply connected by bus.The method of the application effectively solves the problem of higher cost and insufficient control precision of battery voltage detection system in the related art.

The utility model discloses an automatic compounding device of a paper mounting machine, which relates to the technical field of compounding of paper mounting machines and comprises an adjusting mechanism, and a heating mechanism is arranged at the bottom of the adjusting mechanism. The adjusting mechanism comprises a driving assembly and two detection mechanisms. When the paper thickness exceeds a preset range, a driving roller is pressed to move upwards, a sliding piece is driven to compress a reset spring, a piezoresistive sensor is triggered, when the pressure exceeds a threshold value, a system automatically cuts off a power source of a driving motor to stop, an operator inputs the target paper thickness on an intelligent control panel, and the motor drives a threaded rod to rotate; rotary motion is converted into linear motion through a thread pair, the hollow part is driven to slide along the guide rail, the distance between the hollow rolling shaft and the driving rolling shaft is adjusted, and when production is finished or maintenance is carried out, the starting panel supplies power to the heating connecting part through the solid-state relay, a heating pipe in the hollow rolling shaft is activated, a glue layer is heated and softened, and a system is automatically powered off after glue stains are removed through a special scraper.

The invention discloses a solid-state relay circuit with a quick turn-off function in the technical field of integrated circuits, which comprises a photovoltaic generation chip, a light-emitting input module and a first photocell group, and is characterized in that the photovoltaic generation chip comprises a first photocell group; the light-emitting input module comprises a first input control pin INP and a second input control pin INN, and one end of the first input control pin INP is connected with the anode of the light-emitting diode D1. According to the invention, an independent second photocell group which is not limited to two sections is provided for a depletion transistor N1, the transistor N1 can be turned off, meanwhile, a first resistor is used for rapidly discharging a parasitic capacitor which is connected in series with a first photocell and a second photocell and a grid parasitic capacitor of the MOS transistor N1, and a diode D2 and a triode Q1 are arranged, so that the voltage of the transistor N1 is reduced. And the discharge current of the PVG chip can be further improved.

1. Name of the product in this design: Solid State Relay (SA3F). 2. Purpose of this design: For use in control circuits. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

1. The name of the design product: solid-state relay radiator (D5 type). 2. The use of the design product: used to assist solid-state relay heat dissipation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

The utility model relates to a kind of material mixer heating device, device includes heating unit, starting control circuit, heating circuit, heating control circuit, heating unit is used to heat the one end of material mixer;Starting control circuit includes first miniature circuit breaker, first switch, intermediate relay normally closed contact, AC contactor coil;Heating circuit includes second miniature circuit breaker, AC contactor main contact, solid-state relay, heating unit;Heating control circuit includes third miniature circuit breaker, temperature controller and temperature detection unit, third miniature circuit breaker one end is connected with power supply fire line, other end is connected with temperature controller, temperature detection unit is connected with temperature controller, intermediate relay coil is connected with power supply by temperature controller.The material mixer heating device provided by the utility model, through temperature controller output voltage signal control solid-state relay conduction, make heating unit heat, realize to the end heating of material mixer.

1. The name of the design product: solid-state relay radiator (W4). 2. The use of the design product: used for auxiliary solid-state relay heat dissipation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

The invention discloses a control method for a heating pipe of a heat reservoir, and aims to solve the technical problems that the temperature precision of the current heating pipe for heating molten salt is not high, and the purpose of accurately controlling the temperature cannot be achieved. The structure of the heating pipe comprises a molten salt heat reservoir, a heating pipe, a solid-state relay and a temperature controller; the control method comprises the following steps that S1, a heating pipe is inserted into the molten salt heat reservoir, then the heating pipe, a solid-state relay and a temperature controller are sequentially connected in series through wires, and then a power source is connected to the solid-state relay to be powered on; s2, a solid-state relay preliminarily predicts the fused salt flow according to the total electric heating power of the heating pipe; s3, after the molten salt flow is preliminarily predicted, the power of each stage of heating pipe is distributed according to the total electric heating power of the heating pipe and the preliminarily predicted molten salt flow; and S4, after the power is distributed, distributing a result according to the power of each stage of heating pipe. According to the control method, the reliability, stability and accuracy of heating of the molten salt heat reservoir are greatly improved, and the control method is worthy of popularization.

The application relates to the technical field of automobile electronic fuel supply, and particularly discloses a control integrated fuel pump assembly and a control method thereof, which comprises a total cost body, a fuel pump motor is integrated in the total cost body, a solid-state relay power switch module, a pressure sensor and a control unit are further integrated on the total cost body; the pressure sensor is integrated at a fuel outlet end of the total cost body and is used for collecting oil pressure signals of the fuel outlet in real time; the solid-state relay, the pressure sensor and the control unit are integrated in the fuel pump assembly, thereby replacing a traditional external mechanical relay and a decentralized control unit. The solid-state relay has no mechanical contact, is not prone to wear and tear and is resistant to vibration; in combination with real-time feedback of the internal pressure sensor, the control unit can generate a pulse width modulation signal to accurately perform closed-loop control on the fuel pump motor, so that the control response path is shortened, and the adjustment precision and response speed are improved.

1. The name of the design product: solid state relay (heat dissipation integration). 2. The use of the design product: for control circuit. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design.

The invention discloses a high-temperature, high-pressure and high-flux electrochemical testing device and method. The high-temperature, high-pressure and high-flux electrochemical testing device comprises a high-pressure kettle, a sample fixing plate, a plurality of samples, wires, a solid-state relay array, an electrochemical workstation and a three-electrode system, a plurality of fixing holes for mounting samples are formed in the sample fixing plate; the solid-state relay array is arranged outside the high-pressure kettle and is used for controlling and realizing independent conduction or switching of a plurality of channels; the three-electrode system comprises a working electrode, a reference electrode and an auxiliary electrode; the working electrode is a sample, the sample is electrically connected with an independent port of each channel of the solid-state relay array through a lead, and the samples are arranged at intervals; the electrochemical workstation is connected with the solid-state relay, the auxiliary electrode and the reference electrode, and is used for collecting electrochemical signals of multiple samples and realizing sequential or batch testing. According to the invention, independent measurement of multiple samples, automatic switching of channels and effective isolation of electric signals are realized, and the overall experiment efficiency and the accuracy of test data are improved.

The utility model provides a kind of graphene floor heating temperature control device, it is related to floor heating temperature control technical field, including temperature control structure, graphene floor heating structure and circuit board, the upper end of temperature control structure is provided with mounting frame, and overload protector is installed in mounting frame inner middle part, the front side upper portion of temperature control structure is provided with touch display screen, and circuit board is installed in temperature control structure inner lower part, the upper portion of circuit board is installed with electric leakage detector in middle, and microcontroller is installed in the middle part of circuit board, the lower part of circuit board is installed with auxiliary chip in middle, and solid state relay is installed in the left side of auxiliary chip, and wireless long-distance data transmission module is installed in the right side of auxiliary chip.The utility model is adopted circuit board structure circuit board structure more optimal module configuration, help to realize high-precision, high-reliability temperature closed-loop control, and support flexible man-machine interaction and data management, safer and more reliable practical.

The application discloses a kind of distributed energy and load intelligent management and control system based on wisdom family, including energy router host control unit, mains access module, family photovoltaic interface module, direct current energy storage interface module, new energy automobile charging interface module and household electricity interface module.Mains, photovoltaic, new energy automobile charging and household electricity interface module are connected with host control unit through direct current control type solid state relay.Direct current energy storage interface module is connected with host control unit through overcharge relay control circuit containing opto-coupler isolation device and switching triode, and integrates hardware level undervoltage protection circuit, provides double security guarantee of software and hardware.The host control unit of the application executes intelligent scheduling logic, according to illumination, energy storage battery capacity, power grid state and other information, preferentially allocates photovoltaic power supply, coordinates energy storage charging and discharging and power grid energy supplement, and guarantees core load power supply when power grid is powered off.

Battery system (300) comprising: a first battery assembly (304-1) containing a first and a second terminal (332-1, 336-1) and configured to be selectively connected to (i) an output terminal of the battery system (300) and (ii) a DC fast charging (DCFC) socket (316); a first contactor (344-1) connected between the DCFC socket (316) and the first terminal (332-1) of the first battery assembly (304-1), the first contactor (344-1) having an open state in which the current from the DCFC socket (316) to the first battery assembly (304-1) is interrupted, and a closed state in which current flows from the DCFC socket (316) to the first battery assembly (304-1); and a first solid-state relay (SSR) (352-1) connected in series between the DCFC socket (316) and the first terminal (332-1) of the first battery assembly (304-1) with the first contactor (344-1),wherein the first SSR (352-1) has an open state in which the current from the DCFC socket (316) to the first battery assembly (304-1) is interrupted, and a closed state in which current flows from the DCFC socket (316) to the first battery assembly (304-1), wherein the first SSR (352-1) is configured to transition from the closed state to the open state before the first contactor (344-1), wherein current flows from the DCFC socket (316) to the first battery assembly (304-1) only when both the first contactor (344-1) and the first SSR (352-1) are in the closed state, wherein the first SSR (352-1) is configured with internal logic to automatically open in response to a current rising above a predetermined threshold, and wherein the first SSR (352-1) is configured to open at a lower current threshold than the first contactor (344-1).

1. Name of the designed product: solid-state relay gasket (anti-skid). 2. Use of the designed product: used for fastening bolt on terminal. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: front view.

1. Name of the product in this design: Solid State Relay. 2. Purpose of this design: To control circuit current. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a push rod limiting circuit, a push rod limiting method, a push rod device and an aerostat, and relates to the technical field of push rod limiting. A first solid-state relay and a second solid-state relay of a solid-state relay control module are each provided with a control end and a controlled access; a first limit switch of the limit switch module is connected in series in a loop between the rectification power supply module and the control end of the first solid-state relay, and a second limit switch is connected in series in a loop between the rectification power supply module and the control end of the second solid-state relay; the PWM driving module is used for receiving PWM power supply and selectively supplying power to the push rod motor through a controlled access of the first solid-state relay and the second solid-state relay so as to control forward and reverse rotation and speed regulation of the push rod motor; according to the push rod limiting circuit, contactless switching of the solid-state relay is combined with PWM speed regulation, power supply of the motor is cut off instantaneously at the limiting position, meanwhile, mechanical abrasion, contact oxidation and electromagnetic interference are avoided, and long-service-life and high-reliability limiting under the high-altitude severe environment is achieved.

This invention discloses a multi-drive circuit for dimming glass and a vehicle. Through a processing module working in conjunction with a single inverter bridge module and a single filter module, a common sinusoidal AC voltage is output and input to several solid-state relays. Simultaneously, the processing module independently outputs control signals to adjust the on / off duty cycle of each solid-state relay, enabling each dimming glass to obtain a corresponding modulated sinusoidal drive voltage, thereby achieving independent light transmittance adjustment for multiple dimming glass paths. Furthermore, this invention only requires a single inverter bridge module and a single filter module to complete multi-path driving, simplifying circuit configuration and control logic, effectively reducing hardware costs and control complexity, and better adapting to the practical application scenarios of multi-window, multi-area dimming in automobiles.