7 results about "Latching switch" patented technology

The utility model provides a circuit for converting a closed transient state of a self-locking switch into an instantaneous low-level pulse. The circuit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a photoelectric coupler H1, the self-locking switch S1 and a diode, a first power supply is connected to a first pin of a photoelectric coupler through a resistor R1, a second pin of the photoelectric coupler is connected to one end of a self-locking switch S1, and the other end of the self-locking switch S1 is grounded; the first power supply is connected with one end of the self-locking switch S1 through the resistor R2 and the resistor R3; the cathode of the diode is connected with the first pin of the photoelectric coupler, and the anode of the diode is connected with the second pin of the photoelectric coupler; the second power supply is connected with a fourth pin of the photoelectric coupler through a resistor R4, and a third pin of the photoelectric coupler is grounded. According to the utility model, the closing transient state of the self-locking switch is collected and converted into transient low-level triggering.

The utility model relates to the technical field of switches, and discloses an anti-self-locking switch which comprises a shell, four wiring terminals are fixedly arranged on the shell, a button is arranged on the shell, a moving part is arranged in the shell in a sliding mode, and the moving part is connected with the button. A self-locking key is fixed on one side of the shell, a connecting rod is fixed in the self-locking key, and a locking block is fixed at one end of the connecting rod; a control block is fixedly arranged on one side of the moving part, a horizontally-arranged second spring is fixedly arranged in the control block, the two ends of the second spring are fixedly connected with limiting blocks, two blocking pieces are fixedly arranged in the shell, a locking groove is formed in the moving part, and the locking block is fixedly connected with the locking groove. When the switch is closed, the locking block is controlled to be inserted into the locking groove through the self-locking key, the interior of the switch is self-locked and fixed, the switch is always closed, the closing firmness of the switch is improved, the use safety is improved, the power failure risk is reduced, and the safety of applied equipment is protected.

The present application provides a high-voltage control method and electronic device for an independent latching switch, which belongs to the field of relay control technology. The method includes: obtaining the reset flag information in the reset flag register to determine whether the independent latching switch has an abnormal reset; if not, triggering the main positive relay and the main negative relay to disconnect, and performing fault detection on the independent latching switch according to the status information of the circuit breaker, the voltage and insulation value of the battery, the inverter side voltage and the feedback status information of each relay, and controlling the independent latching switch to complete high-voltage power-on or high-voltage power-off; if so, determining whether the main positive relay and the main negative relay are both in a closed state, and if so, maintaining the closed state to maintain the output before the independent latching switch is abnormally reset. The present application can achieve real-time detection of faults in the high-voltage power-on or high-voltage power-off process of the independent latching switch, and handle the faults in real time to improve the safety and reliability of the high-voltage control of the independent latching switch.

The application discloses a kind of bistable press type mechanical self-locking switch, including mounting seat, plug-in rod, press lever, press handle, reset compression spring and limit ball, mounting seat is equipped with mounting seat through-hole, plug-in rod passes through mounting seat through-hole, plug-in rod is equipped with plug-in rod center through-hole, plug-in rod center through-hole is sequentially first section through-hole, second section through-hole, third section through-hole and fourth section through-hole, the hole wall of fourth section through-hole is equipped with taper through-hole along circumference, the circumferential hole wall of mounting seat through-hole is equipped with ring groove, press lever is located in plug-in rod center through-hole, one end of reset compression spring and press handle contact, the other end and the step between second section through-hole and third section through-hole contact, taper section and cylindrical section are equipped on press lever, limit ball is placed in taper through-hole.The application realizes the self-locking function of plug-in rod in insertion and pull-out two states, i.e., realizes bistable self-locking function, can effectively prevent adverse consequences caused by misoperation.

An electromagnetic-based ultrasonic residual stress relief system and process for welds on metal surfaces can include a latching switch for high voltage charging that controls current from the capacitor charging module to the high voltage capacitor, a non-latching switch for spark-gap trigger that can control current from a spark-gap trigger module to a spark-gap trigger circuit. The non-latching switch for spark-gap trigger can discharge energy from the high-pulsed current capacitor into the spark-gap circuit, which can discharge energy into a coil that can be moved over the weld zone. The large AC current induced high-frequency, small-amplitude through-thickness ultrasonic vibration yields residual stress relief in the weld and HAZ region.

The utility model discloses a switching device and a spacecraft. According to the switching device, a magnetic latching switch module comprises a plurality of magnetic latching relays, the input ends of the magnetic latching relays are all connected with a load power supply, the output ends of the magnetic latching relays are all connected with a load, and the conduction control input ends of the magnetic latching relays are connected with an instruction power supply; the conduction control output end of the magnetic latching relay is connected with the conduction driving module, the turn-off control input end of the magnetic latching relay is connected with an instruction power supply, the turn-off control output end of the magnetic latching relay is connected with the turn-off driving module, and the conduction driving module and the turn-off driving module are further connected with the control module; the magnetic protection switch module is used for controlling on or off of a power supply loop between a load and a load power supply; the control module is used for controlling the conduction driving module to drive the magnetic protection switch module to be conducted, or controlling the turn-off driving module to drive the magnetic protection switch module to be turned off. The switching device provided by the embodiment of the utility model is beneficial to ensuring effective control of load power supply.