86 results about "Reed switch" patented technology

The invention provides a magnetic reed switch and a preparation method thereof, and the preparation method comprises the steps: carrying out the grooving of a nickel-iron wire or a nickel-iron sheet, and obtaining a static reed with one end provided with a first positioning groove; grooving the nickel-iron wire material and welding a hollow pipe to obtain a movable contact spring with a second positioning groove at one end; plating layers are plated on the surfaces of the movable reed and the static reed; metal pieces are welded to the first positioning groove of the static reed and the second positioning groove of the movable reed, and a static reed assembly and a movable reed assembly are obtained respectively; the ends, provided with the metal pieces, of the movable reed assembly and the static reed assembly are packaged in a glass tube, the metal pieces in the movable reed assembly and the static reed assembly are arranged in a non-contact crisscross mode, and finally the magnetic reed switch is manufactured. By additionally arranging the high-melting-point metal pieces which are distributed in the crisscross manner at the end parts of the movable magnetic reed and the static magnetic reed, the magnetic contact area is effectively reduced, the rebounding time of the magnetic reed is shortened, and the ablation of a switching arc to the magnetic reed is reduced.

Aspects disclosed herein relate to sensing relay modules, sensing relay devices, and sensor and electrical relay assemblies. In one aspect, the sensing relay module may include a housing, and a reed switch and a relay within the housing, where the reed switch and the relay are separated from each other by a barrier, and where the reed switch is connected to an input of the relay within the second compartment, where the reed switch is connected to an input of the relay.

The utility model relates to the technical field of reed switches, in particular to a stable and reliable high-voltage-resistant high-power multi-point contact type reed switch. The stable and reliable high-voltage-resistant high-power multi-point contact type reed switch comprises a glass tube, a moving plate fixing rod, a beryllium copper straight elastic piece, a silver contact point, a riveting bolt, a contact point contact piece, a contact lower straight elastic piece and a fixing piece, the glass tube serves as a main body of the reed switch and is of a tubular structure, the glass tube is in a closed state, and the moving plate fixing rod and the silver contact point are fixed through the fixing piece. The glass tube is filled with inert gas, one end of the moving plate fixing rod is fixed to the left side in the glass tube, the fixing plate is fixedly installed on the right side in the glass tube, and the copper-plated straight elastic piece is installed at the right end of the moving plate fixing rod through a riveting bolt. The multi-point contact design of the silver contact point and the contact lower straight elastic sheet and the contact point contact sheet and the fixed sheet is adopted, a stable conduction circuit is formed under the action of a magnetic field, the contact reliability of the reed switch under various working conditions is greatly improved, and the risk of poor contact or open circuit is reduced.

The utility model discloses a high-sensitivity termite detection device convenient to assemble, which comprises an upper top shell, a containing cylinder, an induction trigger piece and bait wood, a magnetic reed switch is arranged in the upper top shell, the magnetic reed switch is provided with a metal reed, a supporting column is arranged in the center of the lower part of the upper shell, and the upper part of the upper shell is provided with an induction trigger piece. The bait wood and the supporting column are arranged in parallel and located on one side of the supporting column, a counter bore is formed in the top of the bait wood, the containing cylinder is placed in the counter bore, the height of the containing cylinder is larger than the depth of the counter bore, an inner cavity of the containing cylinder is used for containing a carrier, and the induction triggering piece is placed above the carrier. According to the termite detection device, the change of the height of the carrier caused by the movement of termites can be sensitively sensed, so that false alarm and missing alarm are reduced, the accuracy of termite detection is improved, the difficulty in assembly and positioning is reduced, and the assembly efficiency is improved.

The utility model relates to a low-power-consumption system of an express cabinet, and belongs to the technical field of household appliance control. Comprising a main control module, a power supply module, a low-power-consumption trigger module and a lock control module which are integrated in a cabinet body, the main control module is electrically connected with the power supply module, the low-power-consumption trigger module and the lock control module. The power supply module is used for providing electric energy for the system, the low-power-consumption trigger module comprises a sensor induction sub-module and a switch sub-module, the sensor induction sub-module outputs a hardware trigger signal to the main control module when detecting that a human body approaches, and the switch sub-module outputs a hardware on-off signal according to a cabinet door closing state; the main control module controls the lock control module to open or close the door body of the express cabinet according to the trigger signal. The human body pyroelectric sensor is awakened only when a user approaches, the magnetic reed switch has no standby power consumption, and the power consumption of the trigger module is reduced compared with a traditional scheme.

The utility model relates to a novel Java card water meter, and belongs to the technical field of water meter metering. Comprising a water meter base meter, a main control chip, and a power supply control circuit, a pulse sampling circuit, a valve control circuit, an LCD (Liquid Crystal Display) screen, a card reader circuit, a touch control circuit, an alarm circuit and a GPRS (General Packet Radio Service) wireless communication circuit which are connected with the main control chip, the pulse sampling circuit comprises a reed switch arranged below a counter of the water meter; a permanent magnet is installed below a fixed scale gear fixing column in a gear transmission structure of the counter, and when a gear of the scale rotates by one circle, a pulse sampling circuit will generate metering pulses and send the metering pulses to a main control chip. According to the utility model, the Java card reader-writer module is adopted, and a Java card is matched for use.

The invention relates to the technical field of underwater robots, provides an ESP32-based offshore wind power underwater operation robot magnetic load rejection device, and solves the problems of high energy consumption and difficulty in supporting long-time operation when a traditional underwater operation robot dives and passes through surface layer strong disturbance water flow. The robot comprises a control module installed on a robot main body frame; the electromagnet is mounted at the bottom of the robot and comprises a power-losing electromagnet and a power cable, one end of the power cable is connected with the power-losing electromagnet, and the other end of the power cable is connected with the control module; the magnetic key is used for being inserted into a preset position of a shell of the control module, and a strong magnet arranged in the magnetic key can enable the reed switch to be conducted so as to start the control module; the disposable load is used for being adsorbed on the power-losing type electromagnet before operation; according to the invention, the robot can dive by means of gravity by mounting the one-time load, so that the most energy-consuming link in the operation of the underwater robot is omitted, and the operation time is effectively prolonged.

This invention discloses an intelligent gas detection device for use in power wells, belonging to the technical field of detection devices. The proposed solution includes a housing, on which a gas detection sensor and a connecting pipe are mounted. A fixed cylinder with air holes on its sidewall is fixedly connected to the bottom end of the connecting pipe. A rotating cylinder is rotatably connected inside the fixed cylinder. An air groove is provided on the outer wall of the rotating cylinder. A metal intercepting rod assembly is connected inside the rotating cylinder. A driving mechanism is connected to the top of the rotating cylinder via a transmission rod. A float is slidably connected to the outside of the fixed cylinder. A water level monitoring mechanism is connected to the float. A sealing mechanism connects the float and the fixed cylinder. This invention achieves sequential collection of gas at different depths by a single sensor through the cooperation of a single spiral air groove and vertical air holes, reducing hardware costs. The metal intercepting rod assembly is centrifugally self-cleaning. The float, in conjunction with a reed switch, monitors the water level with low power consumption. In extreme water accumulation, buoyancy drives the conical seal and the expansion of the telescopic tube, achieving zero-energy adaptive waterproofing, protecting the sensor, and providing a long maintenance-free cycle.

The invention relates to the technical field of sensing data monitoring and quality control, and discloses a rainfall sensing data quality control system and method based on multi-source sensing data fusion. The system comprises a quality control maintenance front end arranged at a front-end tipping-bucket rain gauge, and a remote telemetry data credibility evaluation platform. The quality control maintenance front end comprises a rain sensing module, a video monitoring module, a reed switch, a rainfall tipping bucket monitoring module, a residual water and blockage cleaning module, a multi-network convergence communication module and a control module; quality control and health state monitoring are carried out on sensor data of an existing rain gauge, meanwhile, judgment and early warning are carried out on the health state of the rain gauge, and remote maintenance is carried out through a quality control maintenance front end. According to the invention, the problems that the existing rain gauge is inaccurate in rainfall telemetering data, cannot carry out quality control, and cannot carry out monitoring and early warning on key parts of the rain gauge or the health state of the rain gauge are solved, and the data quality, availability, reliability, self-maintainability and intelligent level of the rain gauge are greatly improved.

The utility model provides a kind of float ball liquid level switch, including shell, first snap ring, second snap ring, float and control element, shell includes shell main body and the connecting portion connected in shell main body, connecting portion is used to be connected with equipment, and the circumferential interval of shell main body is provided with first clamping groove and second clamping groove;First snap ring is clamped in first clamping groove;Second snap ring is clamped in second clamping groove;Float is sleeved on shell, and it is located between first snap ring and second snap ring, and magnetic ring is arranged in float;Control element includes circuit board, terminal and reed switch, and the end of circuit board is electrically connected with terminal, and circuit board is electrically connected with reed switch, and the position of reed switch corresponds with the position of float.The float ball liquid level switch provided by the utility model is convenient to install and disassemble, and batch production is facilitated simultaneously.

This invention discloses an automated upgrade and transformation device and method for electric evaporators, relating to the field of industrial equipment automation transformation technology. It includes a PLC control module, a frequency converter, a liquid level detection unit, a heating relay, a motor, and piping components. The liquid level detection unit employs a high-precision liquid level gauge combining a magnetic float and reed switches, with the reed switches arranged at non-equidistant intervals along the height direction of the high-precision liquid level gauge. The PLC control module divides the liquid level range into low-level, normal-level, and high-level zones based on received multi-segment liquid level signals. This invention, through a high-precision liquid level gauge combining a magnetic float and reed switches, and by arranging the reed switches at non-equidistant intervals along the height direction, can achieve accurate detection at key control points such as low liquid level, upper and lower limits of normal liquid level, and high liquid level. The PLC control module controls the on / off state of the heating element and the operating frequency of the motor within the corresponding zones, achieving coordinated and hierarchical control of water replenishment and heating, preventing dry burning of the heating element and liquid overflow.

Provided in the present disclosure are a switch assembly and a safety device. The switch assembly comprises a relay and a switch unit, which are connected in parallel, wherein the switch unit and the relay are configured such that, in a normal operating state, the relay is closed and the switch unit is open. The relay comprises a relay body and a shielding cover covering the outside of the relay body, wherein the relay body comprises a fixed part and a moving part, the moving part moving relative to the fixed part and having at least a movement component in a Z-axis direction. The switch unit is placed close to the relay, comprises at least one reed switch and is adapted to close when an external magnetic field passes through a first region around the switch unit. The relay is adapted to open when the external magnetic field passes through a second region around the relay, the first region at least partially overlapping with the second region to keep the switch assembly closed. The safety device comprises the above safety assembly. The present application can remain closed even when subjected to interference from the external magnetic field, and is thus safer and more reliable during use.

The invention discloses a tool magnetic feature recognition processing method and system for a planing power system, and relates to the technical field of electric tool control, and the method comprises the steps: obtaining a control signal and a tool recognition signal through a linear Hall sensor and a magnetic reed switch; the signal is processed to determine the type of a currently installed tool, and the magnet installation direction state of the permanent magnet key assembly is analyzed; a preset control parameter mapping table is inquired based on the tool type and the installation direction state, corresponding control parameters are matched, and a motor driving signal is generated in combination with the real-time signal; and after the operation is completed, performing iterative optimization on the control parameter mapping table based on the process data. According to the invention, accurate identification of the tool type and intelligent judgment of the magnet installation direction are realized, the problem of abnormal control caused by reverse installation of the magnet is solved, and through parameter mapping and adaptive learning optimization, the control precision, the system reliability and the user experience are improved.

A water tank induction control device, including water tank, contact switch and integrated control panel, contact switch and integrated control panel are arranged on the frame, integrated control panel includes reed control panel and contact joint panel, the back of water tank is provided with the water level float piece with magnetism corresponding with reed control panel, the back of water tank is provided with the ultraviolet lamp control head corresponding with contact joint panel, contact convex needle is arranged on ultraviolet lamp control head, contact convex needle is correspondingly arranged with the convenience of the connection of connecting piece, permanent magnet piece is arranged in the lower part of water level float piece, reed switch is arranged on reed control panel, permanent magnet piece is correspondingly arranged with reed switch, reed control panel is provided with water level induction piece corresponding with water level float piece.The utility model discloses a reed control panel and contact joint panel are integrated in the same control module, simplify the circuit layout of ultraviolet lamp control and water level detection, adopt the magnetic control linkage mechanism of magnetic water level float piece and reed switch, and the problem of mechanical wear and tear and scale jamming is completely eliminated.

According to the magnetic attraction type point light source structure of the auxiliary fascia console armrest box, when an armrest is in a closed state, the distance between an armrest lower cover and a reed switch in a magnetic attraction control switch is smaller than 20 mm, at the moment, an internal contact of the reed switch is disconnected under the action of a magnetic field of a magnet, namely, a circuit is disconnected, and an atmosphere lamp is closed; when the handrail is in an open state, namely, the angle between the handrail upper cover and the handrail framework and the angle between the handrail lower cover and the handrail framework are larger than 30 degrees, the distance between the handrail lower cover and a reed switch in the magnetic attraction control switch is larger than 20 mm, at the moment, an internal contact of the reed switch is not affected by the magnetic field of a magnet, and a circuit is switched on, so that the atmosphere lamp is turned on; when the handrail is opened, the atmosphere lamp is lightened; the magnet is provided with a mistake-proof structure to prevent the situation that the switch cannot be controlled due to the fact that the magnetic pole of the magnet is reversely installed, the N pole and the S pole of the magnet affect the switch, the N pole can activate the magnetic attraction control switch, and the S pole cannot activate the magnetic attraction control switch, so that the mistake-proof structure needs to be designed to ensure that the S pole position faces the magnetic attraction control switch after the magnet is installed.

The utility model provides an oil level gauge alarm system for a transformer and the transformer, and aims to solve the problem that the maloperation probability is extremely high due to the fact that the liquid level in an oil pillow fluctuates sometimes in the prior art. The system comprises a connecting rod, a floating ball, an oil conservator main body container, a high liquid level sensor S1, a low liquid level sensor S2, a high liquid level reed switch K1, a low liquid level reed switch K2, an oil level meter dial plate, a controllable switch K1 ', a controllable switch K2', a controller and a state indicator light LED. The oil conservator body container is provided with a rotating shaft, the position of the rotating shaft is fixed, and the connecting rod is installed on the rotating shaft and rotates with the rotating shaft as the rotating center. The connecting rod is driven by the floating ball to rotate, so that the magnet triggers the high-liquid-level reed switch K1 or the low-liquid-level reed switch K2, and oil level monitoring is achieved. The controller controls on-off of the controllable switch K1'and the controllable switch K2 'according to signals of the sensor, interlocking protection is formed, and conflicts of high and low liquid level signals are avoided.

The application provides a high-voltage dry reed switch and a preparation method thereof. The preparation method comprises the following steps: die cutting a first nickel-iron material to obtain a static reed; welding one end of a second nickel-iron material after machining to a hollow tube to obtain a dynamic reed; forming a metal coating on the overlapping area of the dynamic reed and the static reed by coating; inserting one end of the dynamic reed containing the metal coating into one end of a glass tube, inserting one end of the static reed containing the metal coating into the other end of the glass tube, welding the two ends of the glass tube to the dynamic reed and the static reed respectively, sealing the overlapping area in the glass tube, and vacuum welding the end of the hollow tube to obtain the high-voltage dry reed switch. The application can significantly improve the high-voltage resistance and service life of the dry reed switch, and improve the production efficiency and product quality reliability.

The utility model relates to a magnetic control pole-mounted switch opening and closing state sensing mechanism, and belongs to the field of pole-mounted switches, the magnetic control pole-mounted switch opening and closing state sensing mechanism comprises a magnetic control mechanism, a movable iron core, a permanent magnet and a magnetic reed switch, the movable iron core is slidably arranged on the magnetic control mechanism, the permanent magnet is arranged on the movable iron core, the magnetic reed switch is arranged on the magnetic control mechanism, and the magnetic reed switch and the moving path of the permanent magnet are distributed at intervals; the magnetic control mechanism is used for driving the movable iron core to slide so that the permanent magnet gets close to or away from the magnetic reed switch. According to the invention, direct contact between the permanent magnet and the magnetic reed switch is avoided, so that the problems that the service life of the magnetic control column switch is influenced by impact force caused by high switching-on and switching-off speed of the magnetic control column switch and the movement of the movable iron core is influenced by faults of a mechanical travel switch are solved; and the service life of the magnetic control pole-mounted switch is prolonged, and the stability of normal opening and closing is improved.

The application discloses a medicine intelligent spraying system and a medicine intelligent sprayer. The system comprises a bearing, a medicine storage, a control monitoring, a sensing trigger and a spraying structure. The sensing trigger structure comprises a sensing component and two trigger magnets with opposite polarities, and a magnetic control on-off structure is further arranged. The sprayer comprises a shell, a medicine bottle, a circuit board and the like. The medicine bottle and the circuit board are fixed in a cavity of the shell. A reed switch and a single-pole Hall switch are fixed on the circuit board. A lid is provided with a first magnet, and a panel is provided with a third magnet. The lid is opened and closed to control the on-off circuit of the reed switch. The medicine bottle is pressed to drive the second magnet to move. The single-pole Hall switch senses a signal and transmits the signal to the circuit board. The spraying of the medicine, the display of the remaining amount and the alarm after single use are controlled. The application improves the sensing sensitivity and the accuracy of medicine use, and realizes intelligent control and monitoring.

A beverage syrup pump system is disclosed that includes a pump housing (12) having an internal pumping chamber (18), a pump motor (22), and a pumping mechanism (24) driven by the motor within the pumping chamber. The pumping mechanism receives the syrup fluid at a first pressure and discharges the fluid at a second pressure greater than the first pressure. A cylindrical space (20) having a spring (39) and a plunger (36) with a magnet (37) is connected to the pumping chamber. The plunger is in contact with an amount of fluid at a second pressure and moves along the cylindrical space against the biasing force of the spring. Once the second pressure exceeds the predetermined pressure, the corresponding fluid pressure in the cylindrical space applies a sufficient force to the plunger to move it beyond a predetermined point within the cylindrical space such that the magnet causes the reed switch (41) in the first position to switch movement to the second position and send a signal to the controller (42). The controller will immediately stop the pump motor if the controller receives a signal from the reed switch, or if the timer sends a signal indicating that the pump has operated for a predetermined maximum operation time.

The utility model relates to the technical field of magnetic control switches, and discloses a magnetic control switch applied to marine instrument equipment, which comprises an instrument equipment shell and a reed switch controller, and a power supply control chip, an internal power utilization circuit unit and a main control chip are arranged in the instrument equipment shell. According to the utility model, the power supply control chip and the main control chip are arranged to carry out power supply control on the power supply of the internal power utilization circuit unit, so that the power supply condition of each power supply in the equipment is controlled, the magnetic field inductor can be hung on the mounting seat through the mounting hanging buckle and is simple to disassemble and assemble, and the reed pipe controller comprises two contact type metal sheets, so that the magnetic field inductor is convenient to assemble and disassemble. Through the change of a magnetic field after the magnetic field inductor is started, the electric shock is connected, the two contact type metal sheets are rebounded and separated again after the magnetic field inductor is taken down, and the circuit is disconnected, so that the device has the characteristics of simple structure, quick response and high reliability, the magnetic field equipment can be freely taken and placed for on-off control, and the performance and the reliability of the system are remarkably improved.

The invention relates to an MRI detection system for AIMD. The detection system includes monitoring or detecting a signal from a magnetic field sensitive element. The magnetic field sensitive element may include at least one of an inductor, a reed switch, and a Hall sensor within the IPG. The magnetic field sensitive element may assist the AIMD in detecting MRI to trigger an MRI safe mode in order to prevent adverse effects when performing an MRI scan.

The invention discloses an electrical equipment over-temperature magnetic trigger switch based on a thermosensitive magnetic material, and belongs to the technical field of electrical switches, the electrical equipment over-temperature magnetic trigger switch comprises a permanent magnet (1), a magnet yoke (2), the thermosensitive magnetic material (3), a magnetic gap (4), a normally closed magnetic reed switch (5) and a thermal coupling structure (6), the thermosensitive magnetic material (3) is arranged above, below or on the side of the magnet yoke (2) serving as a main magnetic circuit, and is positioned near a sensitive area of the magnetic gap (4); the magnetic gap (4) is formed on the magnet yoke (2), and the normally-closed magnetic reed switch (5) is arranged in a magnetic field sensitive area formed by the magnetic gap (4); the thermal coupling structure (6) is arranged at the bottom of the magnet yoke (2) or between the thermosensitive magnetic material (3) and an equipment hot spot; the switch can be integrated in structure, is low in cost, does not need power supply, can achieve over-temperature automatic disconnection of a normally closed loop, and can adjust and calibrate an over-temperature threshold value.

The utility model discloses a motor home water level detection device with a water quality TDS test function, which comprises a cylinder rod and a detection mainboard, the detection mainboard comprises an MCU unit U1, an operational amplifier U2 and a plurality of sampling resistors, the plurality of sampling resistors are sequentially connected in series and then are connected between a power supply end VCC and the ground, a connection point of two adjacent sampling resistors is connected with the MCU unit U1, and the MCU unit U1 is connected with the operational amplifier U2. Each sampling resistor is connected with a reed switch in parallel, the reed switches are sequentially distributed in the vertical direction of the barrel rod, a magnetic floater capable of sliding up and down is arranged on the barrel rod, a first platinum electrode and a second platinum electrode are arranged on the barrel rod, and the electric signal end of the first platinum electrode and the electric signal end of the second platinum electrode are connected to the two input ends of an operational amplifier U2 respectively. The output end of the operational amplifier U2 is connected to the MCU U1, and the MCU U1 is used for judging the electric conductivity of the water body according to electric signals collected by the first platinum electrode and the second platinum electrode. The touring car water level detection device can accurately detect the touring car water level and has the water quality TDS testing function.

The utility model relates to the field of mechanical manufacturing, and discloses a non-magnetic shell structure of a pressure transmitter, which comprises a shell mounting frame, a clamping mechanism is mounted on the outer wall of the shell mounting frame, a sealing mechanism is mounted at the top of the shell mounting frame, a bottom shell is detachably connected to the bottom of the shell mounting frame, and a sealing mechanism is mounted at the bottom of the bottom shell. The left side of the shell mounting frame is detachably connected with a left cover, the clamping mechanism comprises a mounting plate, the top of the mounting plate is fixedly connected with a mounting strip, the top of the mounting plate is fixedly connected with a first clamping strip, the inner wall of the first clamping strip is detachably connected with a second clamping strip, and the top of the second clamping strip is fixedly connected with a right cover. According to the utility model, the clamping mechanism is additionally arranged, so that the shells can be spliced and assembled to better protect internal electronic elements, and the shell mounting frame is made of non-magnetic stainless steel, so that interference on a magnetic core and a reed switch in magnetic bar assembly in the assembly button can be effectively prevented.

The application discloses a dry reed relay core, which comprises a dry reed switch, a coil frame and a lead frame, the dry reed switch comprises two tongue spring sheets and first leading-out pins, the coil frame comprises a middle circular tube-shaped winding part and two head parts connected with two ends of the winding part, the coil frame is provided with an installation through hole, the dry reed switch is installed in the installation through hole, one end of the two tongue spring sheets and the first leading-out pins respectively passes through the two ends of the installation through hole, and the lead frame comprises two tongue spring sheet second leading-out pins; each tongue spring sheet second leading-out pin comprises a first connecting part and a first pin, each head part is provided with a positioning part, the first connecting part of each tongue spring sheet second leading-out pin is positioned after being matched with the positioning part, the first connecting part is close to one end of the tongue spring sheet first leading-out pin, and one end of the tongue spring sheet first leading-out pin is fixedly connected with the first connecting part through soldering to form an electrical connection; the application can ensure the original sealing property of the glass tube of the dry reed switch and ensure the performance of the dry reed switch, and is convenient to assemble.

A liquid level floating ball valve relates to the technical field of sewage treatment and comprises a valve casing, a valve core and a floating ball driving mechanism used for driving the valve core to move, a mechanical structure of a traditional floating ball valve is reserved, and opening and closing of the valve can be controlled through a floating ball. In addition, a first reed switch and a second reed switch are arranged on the top wall of the second cavity at intervals, the water level can be detected by transmitting electric signals, and the upper limit and the lower limit of the water level can be controlled in cooperation with an electromagnetic valve. The embodiment of the utility model also provides a dosing device which comprises a tank body, the top of the tank body is provided with a water inlet, and the liquid level float ball valve is arranged at the water inlet. The control precision is high, the reliability is high, and the method can be better applied to the sewage field.

The utility model relates to the technical field of intelligent valve control, in particular to a non-contact low-power-consumption circuit system for an intelligent valve positioner, which can remotely control a switch, avoid the problems of service life and potential safety hazards caused by the switch during contact, effectively reduce the power consumption of the valve positioner, reduce the use cost and improve the working efficiency. The valve positioner comprises a valve positioner module, and the valve positioner module is connected with a remote control switch circuit and a power consumption limiting circuit. The remote control switch circuit comprises a reed pipe switch, and the reed pipe switch detects an external magnet signal to close or open the circuit; a switch module is arranged in the power consumption limiting circuit to control whether the circuit module is powered or not.

The utility model discloses an electric folding door integrating limiting adjustment, and relates to the technical field of folding doors, in particular to the electric folding door integrating limiting adjustment. Comprising a door plate, a hinge, a power supply, a fuse, a main controller, a wire harness, a motor, a speed reducer, a chain belt, a pulley, a reflection type sensor, a reflection plate, a reed switch and a neodymium magnet. According to the utility model, through double limiting protection of light path detection and magnetic induction, neodymium magnet adsorption closing retention and an optimized power transmission system, the problems of single limiting function, non-adjustability and insufficient safety protection in the prior art are fundamentally solved.

The invention relates to the technical field of liquid cooling, and discloses a liquid supplementing device and method for a liquid cooling charging pile, electronic equipment and a storage medium. A liquid supplementing water tank is arranged to provide cooling liquid to be supplemented for a liquid cooling system water tank, and a first liquid level reed switch used for detecting the real-time liquid level of the liquid cooling system water tank is arranged in the liquid cooling system water tank; the control unit is connected to the water pump and the first liquid level reed pipe, so that the control unit can start the water pump under the condition that the control unit determines that the real-time liquid level of the water tank of the liquid cooling system is at the first preset liquid level according to the detection condition of the first liquid level reed pipe; compared with the prior art, the liquid supplementing device of the liquid cooling charging pile has the advantages that the operation stability of the liquid supplementing device of the liquid cooling charging pile can be improved, the workload of on-site liquid supplementing of operation and maintenance personnel can be reduced, and the operation and maintenance cost can be reduced.