161 results about "Reed switch" patented technology

In one embodiment, a defibrillation assembly energizable through electrode enclosure manipulation is provided. The defibrillation assembly includes a magnetically triggered reed switch; an energy storage element that supplies power to the magnetically triggered reed switch; circuitry configured to generate a defibrillation waveform, wherein the circuitry is isolated from the energy storage element by the electromechanical component; and a case within which at least a portion of the housing is located and comprising an electrode enclosure within which a magnet is positioned that keeps the magnetically triggered reed switch in an open position, wherein an opening of the case that comprises removal of the magnet from the position causes the magnetically triggered reed switch to switch into a closed position and for the power to flow to the circuitry through the magnetically triggered reed switch.

The utility model relates to the technical field of refrigerators, in particular to a refrigerator which comprises a refrigerator body. A refrigerator door configured to close the refrigerator body; the magnetic reed sensor assembly is constructed to monitor opening and closing of a refrigerator door, the magnetic reed sensor assembly is arranged on the refrigerator main body, and the magnetic reed sensor assembly comprises a cover piece main body constructed to be connected with the refrigerator main body, and the cover piece main body is provided with a containing part; a printed circuit board configured to be accommodated in the accommodating portion; and at least one reed switch connected to the printed circuit board, wherein the reed switch is arranged on one side of the printed circuit board facing the accommodating part. According to the embodiment of the invention, the magnetic reed sensor assembly can be reliably mounted on the refrigerator main body through the cover piece main body; meanwhile, the reed switch is installed on the side, facing the containing part, of the printed circuit board, the other side of the printed circuit board protects the reed switch, the reed switch is prevented from being collided and damaged in the assembling or transporting process, and the assembling efficiency and the product reliability are improved.

The invention discloses a current measuring circuit based on a quadrupole mass spectrometer, and the circuit comprises an input module which is used for receiving a current signal from the quadrupole mass spectrometer; the current detection module is used for carrying out current measurement on the current signal; wherein the current measurement module comprises a positive current measurement unit and a negative current measurement unit, the positive current measurement unit is used for measuring the positive current of the quadrupole mass spectrometer, and the negative current measurement unit is used for measuring the negative current of the quadrupole mass spectrometer; according to the current measurement circuit, small current linear amplification and large current logarithmic amplification are realized through the current measurement module, so that a high-range measurement effect is achieved, fA level-uA level current measurement can be realized, and meanwhile, automatic range switching is realized through circuit characteristics; and the cost is about one fiftieth of that of a reed switch range switching scheme.

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 discloses a 2-code-value wireless chip RFID electronic tag, and belongs to the technical field of radio frequency communication. Which comprises a shell and is characterized in that mounting holes are symmetrically formed in the right sides of the front and rear sides of the top of the shell, a two-code value device is arranged in the front of the interior of the shell, and a potting object is arranged in the rear of the interior of the shell. According to the device, market requirements are combined, some special occasions or products need dual-system identity authentication, a novel dual-circuit and dual-chip technology and a parallel glass reed switch on-off technology are adopted, free switching between the two circuits is achieved, a user can collect label data on two side faces respectively according to requirements, and the user experience is improved. Mounting is carried out through the mounting holes, so that mounting is more convenient and faster, epoxy resin is encapsulated in the shell, it is guaranteed that the device structure cannot be damaged after curing, meanwhile, the epoxy resin is a recyclable material and cannot pollute the environment, the concept of sustainable development is met, and dual-system identity authentication is achieved through mutual cooperation of the reed switch, the IC1, the IC2 and the inductor.

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 relates to the technical field of reed pipe processing equipment, in particular to a reed pipe spin dryer which comprises a barrel body provided with a drain pipe. The water filtering barrel is rotationally connected to the interior of the barrel body, a positioning unit is installed in the water filtering barrel, the positioning unit is provided with a plurality of containing holes used for containing reed switches, and the upper portions of the containing holes are blocked and sealed through a sealing cover; a plurality of reed switch products can be placed in the positioning unit at a time, so that batch spin-drying operation of the products can be achieved, independent protection is achieved, the driving assembly is adopted to drive the water filtering barrel to rotate at a high speed, the positioning unit is made to rotate at a high speed, and the products are dewatered through centrifugal force. In addition, the heating unit is additionally arranged in the cleaning device in an auxiliary mode, the cleaned products are dewatered and evaporated to dryness in a heating and centrifugal spin-drying mode, a protection effect is achieved on processing and storage of the reed pipes, and the appearance quality of the products can be improved.

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.

A tamper deterrent attachment for external door locks like a puck lock on vehicles, comprising a set of plastic accessories with molded wire conductors placed within proximity of the door brackets of a vehicle such as a truck or a van with the wire conductors of the accessories connected to the reed switches next to the door brackets and the wire conductors on the accessories also connected to a wired or wireless alarm within the vehicle. If an attempt is made to pry open the puck lock, cut the lock brackets or cut through the sheet metal around the lock to remove it, the wire conductors molded in the accessories will also be cut to trigger an alarm to notify the owner of the vehicle of the attempted break-in of the vehicle.

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.

The invention discloses a mercury-free wet reed pipe which comprises a sealing pipe, a first reed and a second reed, one end of the first reed is located in the sealing pipe, and the other end of the first reed is located outside the sealing pipe; one end of the second reed is positioned in the sealing pipe, and the other end is positioned outside the sealing pipe; a first contact is arranged at one end, close to the second reed, of the first reed in the sealing pipe; a second contact is arranged at one end, close to the first reed, of the second reed in the sealing pipe; and a fluorination liquid is injected into the sealing pipe. Fluorinated liquid is injected into the wet reed pipe, the fluorinated liquid can prevent oxidation, clean carbides and prevent arc discharge, meanwhile, the contact can be cooled, and meanwhile the problem of contact adhesion caused by parasitic inductance and capacitance is solved. These advantages just complement the insufficiency of the reed switch. Therefore, the service life of the wet reed pipe is more than 5-10 times that of the dry reed pipe.

The invention relates to the technical field of compressors, and particularly discloses a split type oil level sensor for a compressor and an assembling method thereof.A lower shell cover is packaged at the bottom end of a compressor shell, a mounting hole is formed in the lower shell cover, a first assembly is arranged on the lower shell cover and located in the compressor shell, and the first assembly comprises a guide part and a magnetic floater; the guide part is fixedly installed on the inner wall of the lower shell cover and inserted into the installation hole, a reserved groove hole is formed in the guide part and communicated with the outside of the compressor shell, the second assembly comprises a reed switch and a lead, and the second assembly is used for being inserted into the reserved groove hole from the outside of the compressor shell to form the split type oil level sensor for the compressor with the first assembly. The split type structure is adopted, after the first assembly and the lower shell cover are assembled in a sealed mode, the external second assembly and the first assembly are assembled to form the oil level sensor, the second assembly is separated from the lower shell cover, the influence of high temperature on the sensitive element is effectively avoided, and the durability and reliability of the sensitive element are improved.

1. The name of the design product: proximity switch (reed switch type). 2. The use of the design product: It is a non-contact proximity switch, mainly used in the field of industrial automation control, used as a proximity switch. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

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.

The invention provides a polish rod rotator operation state monitoring method and system based on multi-source sensor data, and relates to the technical field of data processing, and the method comprises the steps: obtaining reed switch pull-in data; judging whether the polish rod rotator is abnormal or not according to the pull-in data of the reed switch; if yes, entering the next step, and activating operation state monitoring of the oil pumping unit; acquiring acceleration sensor data; judging whether the oil pumping unit operates normally or not according to acceleration change characteristics of data of the acceleration sensor; if yes, entering the next step, and activating polish rod rotator operation state monitoring; according to data of the acceleration sensor, stroke frequency data of the oil pumping unit are calculated; waiting for the next time of pull-in data of the reed switch; calculating the rotation angle of the polish rod rotator according to the stroke frequency data of the oil pumping unit and the interval time between the two times of pull-in of the reed switch; judging whether the polish rod rotator is abnormal or not according to the rotation angle of the polish rod rotator; and if yes, outputting a fault alarm of the polish rod rotator.

The utility model provides a magnetic bar in-situ detection device, and relates to the technical field of medical instruments. Comprising a magnetic rod which is fixed on a program controller; the reed switch is placed in the protective shell for magnetic isolation, the protective shell does not have magnetic conductivity, and the reed switch and the magnetic bar are arranged in parallel; the two ends of the reed pipe are connected to the micro-control unit, the micro-control unit is arranged in the protective shell, a circuit is arranged in the micro-control unit, and the circuit outputs high or low level to an I / O interface of the micro-control unit; when the magnetic bar leaves the program controller, the reed switch is disconnected, the circuit is disconnected, a high level is output to the I / O interface of the micro-control unit, the micro-control unit determines that the magnetic bar leaves the program controller, and window popup prompt is carried out on a display screen of the program controller. According to the invention, whether the magnetic bar is in place can be detected.

This application discloses a detection structure and method for a washing machine door cover switch and drum-collision switch. A first magnet is placed on the washing machine door cover, and / or a second magnet is placed on the washing machine outer drum. A magnetic induction chip and a microcontroller unit are integrated into the washing machine's computer board. The magnetic induction chip detects the magnetic field strength signal of the first magnet and / or the second magnet in real time, and the microcontroller unit compares the detected magnetic field strength signal with a set threshold to determine the opening / closing state of the washing machine door cover and / or the drum-collision state. This application uses a magnetic induction chip to replace the traditional mechanical drum-collision switch and / or reed switch (or similar magnetic induction switch device) on washing machines, reducing system costs. Furthermore, the magnetic induction chip can be directly integrated into the washing machine's computer board, eliminating the need for wiring harnesses, simplifying the structure, and further reducing system costs.

In one embodiment, a defibrillation assembly energizable through case opening is provided. The defibrillation assembly includes an a magnetically triggered reed switch; a magnet positioned to keep the switch in an open position; an energy storage element that supplies power to the magnetically triggered reed switch; circuitry configured to generate a defibrillation waveform, wherein the circuitry is isolated from the energy storage element by the magnetically triggered reed switch; and a case within which at least a portion of the circuitry is located and a comprising a portion connected to the magnet by a mechanical interconnect, wherein an opening of the case displaces the connected case portion, which displaces the magnet far enough to transition the magnetically triggered reed switch into a closed position and causes the power to flow to the circuitry through the magnetically triggered reed switch.

The invention relates to the technical field of ring main units, in particular to a device for preventing misoperation of an all-insulation inflatable ring main unit. Comprising a running state detection module which comprises multiple types of sensors and a signal conditioning circuit and is used for collecting the live-line state of the incoming line side of the ring main unit, the position state of a grounding knife switch and the state of a circuit breaker operating mechanism in real time; an intelligent logic judgment module; a sound-light alarm module; a closing locking execution module; a data communication module; a dual-state monitoring system is constructed through a non-contact capacitive sensor and a magnetic reed switch, an incoming line side electrified signal E and a grounding knife switch closing signal G are collected in real time, and a dangerous working condition is accurately identified based on the logic and operation of E = 1 and G = 1. Compared with a scene missed judgment problem caused by single detection of a grounding knife-switch or a power supply electrification state in the prior art, the double fusion detection mechanism greatly improves the dangerous scene identification accuracy from 60% to more than 99.9%.

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 utility model relates to the technical field of electric box monitoring, in particular to a remote monitoring alarm system for an electricity metering box, which comprises a control module, a power supply module, a communication module and a box door detection module, the box door detection module comprises a magnetic part arranged on an electricity metering box door, a reed switch arranged on an electricity metering box door frame and a door opening signal detection circuit, the door opening signal detection circuit comprises a resistor R1 and a resistor R2, the first end of the reed switch is connected with a power supply VCC1, the second end of the reed switch is grounded through the resistor R1, and the first end of the reed switch is connected with the power supply VCC1. The second end of the reed switch is connected with the control module through a resistor R2 and sends a door opening signal sig1 to the control module, and the control module communicates with a terminal through the communication module. Through the technical scheme, remote monitoring of opening and closing of the electricity metering box door can be realized, the response is fast, the detection precision is high, and the cost of manual inspection is reduced.

The utility model relates to the technical field of magnetic induction switches, and discloses an embedded magnetic reed switch which comprises a switch shell, the outer wall of the switch shell is fixedly connected with a first connecting sleeve, the inner part of the first connecting sleeve is slidably connected with left and right symmetrical rotating sleeves, the outer walls of the rotating sleeves are slidably connected with sliding sleeves, and the sliding sleeves are slidably connected with the first connecting sleeve. And the outer wall of the sliding sleeve is fixedly connected to the interior of the first connecting sleeve, a baffle is fixedly connected to the interior of the sliding sleeve, a first spring is arranged in the sliding sleeve, an inserting rod is slidably connected to the interior of the rotating sleeve, and a limiting block is fixedly connected to the outer wall of the inserting rod. According to the magnetic reed switch, the switch shell is connected with the first connecting sleeve and rotates on the outer wall of the rotating sleeve, then the threaded sleeves on the two sides are screwed out, and then the inserting rods slide out of the interiors of the threaded sleeves, so that the second connecting sleeve and the mounting plate can be detached, and the problem that after an existing magnetic reed switch is installed and fixed, the magnetic reed switch cannot be detached is solved. And the self position cannot be independently adjusted.

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.