65results about "Mangetic float movement actuation" patented technology

The invention provides a float switch mounting structure and a ceiling machine. The float switch mounting structure comprises a float switch and a frame, the float switch is arranged on the inner side of the frame, the frame comprises a first side plate, a second side plate, a third side plate and a fourth side plate, the third side plate and the second side plate are oppositely arranged and located on the left side and the right side of the float switch respectively, the first side plate is arranged on the front side, and the fourth side plate is arranged on the upper side. The float switch is connected with the ceiling machine through the fourth side plate. No side plate needs to be arranged on the rear side of the frame, and the float switch is surrounded by the shell and the frame and prevented from being blown by air generated by the ceiling unit air duct. The float switch installation structure further comprises a first magnetic part, a second magnetic part and an installation frame, the float switch can move in the direction towards the second magnetic part under the buoyancy effect of water, the first magnetic part makes contact with the second magnetic part, and therefore an electric signal is transmitted to the water pump; and the water pump is triggered to start to work to discharge condensate water generated in the water pan in time.

To provide a bath boiler which enables a water flow switch to stably operate even if a passage extending from a pump to the water flow switch bends.SOLUTION: A bath boiler includes a connection pipe part 70 which connects a pump with a water flow switch 40. A casing 71 of the water flow switch includes: an inflow pipe part 76 where hot water flows from the connection pipe part; and an outflow pipe part where which hot water flows out from the casing in a third direction orthogonal to the first direction. The inflow pipe part includes: a first cylinder part 76A; a second cylinder part 76B disposed at a downstream; and a third cylinder part 76C which connects the first and second cylinder parts. A cross sectional area of an interior of the second cylinder part is smaller than a cross sectional area of an interior of the first cylinder part. On an inner peripheral surface of the second cylinder part, an orthogonal surface orthogonal to a third direction is provided at an opposite side of the third direction. An inner peripheral surface of the third cylinder part is formed with a connection surface 81 which connects the orthogonal surface with an inner peripheral surface of the first cylinder part. The connection surface 81 is located at an inner side of the third cylinder part while continuously changing its facing direction from a direction opposite to the second direction to the third direction from the upstream to the downstream. An upstream side end of the connection surface is disposed at a depth side in the second direction.SELECTED DRAWING: Figure 5

The connecting rod floating ball liquid level switch comprises a shell, a connecting piece and a probe rod, an opening is formed in the lower side of the shell, the connecting piece correspondingly seals the opening and is fixedly connected with the shell through a flange, and a threaded insertion opening matched with the probe rod is formed in the lower end of the connecting piece. The probe rod is hollow, the probe rod, the connecting piece and the shell are communicated with one another, a junction box is fixedly arranged on the shell in a penetrating mode, the probe rod is sleeved with a floating ball piece in a sliding mode, a plurality of reed pipes are arranged in the probe rod, and a permanent magnet is fixedly arranged in the floating ball piece. Limiting detection of liquid can be carried out in the tank body, and the industrial application requirement is met; in the limiting detection mode, the liquid reaches the detected height, switching action is generated, and multiple functions such as overflow protection can be achieved.

The utility model relates to the technical field of floating ball liquid level switches, in particular to a side-mounted floating ball liquid level switch for outputting a signal DPDT, which comprises a junction box assembly, a flange assembly is arranged on one side of the junction box assembly, the junction box assembly and the flange assembly are assembled through a fastener, and an inner cavity of the junction box assembly is used for mounting a switch assembly. A floating ball assembly is installed at one end of the flange assembly, and the floating ball assembly and the flange assembly are fixed through a fulcrum shaft assembly. End magnetic steel of a floating ball assembly on the floating ball liquid level switch is samarium cobalt magnetic steel, and a movable cavity of the magnetic steel is processed into a cylindrical shape with a spherical bottom, so that the movable cavity can freely move in a limited range, and the intensity and the action range of a magnetic field can be conveniently increased; the limiting block is spot-welded on the inner wall of the mounting cavity of the switch assembly for the floating ball liquid level switch and used for limiting the switch assembly and preventing the switch assembly from rotating in the inner cavity to influence the action reliability and consistency, and the self-checking handle is matched, so that daily maintenance and overhaul of the switch are facilitated.

The utility model relates to the technical field of transformer protection assemblies, in particular to a six-node relay separation mechanism which comprises a shell, a junction box is installed at the top end of the shell, a signal rod is installed on the inner side of the shell, an oil flow baffle is installed at the bottom of the inner side of the shell and arranged below the signal rod, and a relay is installed on the signal rod. The bottom of one side of the shell is provided with a lower floating ball, one side of the shell is provided with an upper floating ball, the upper floating ball is arranged above the lower floating ball, the surface of the shell is provided with a first reed pipe and a second reed pipe, the first reed pipe is arranged on one side of the second reed pipe, the rear side of the shell is provided with a third reed pipe, and the third reed pipe is arranged on the other side of the shell. According to the technical scheme, through the design of the device, when the transformer breaks down, the functions of the heavy gas flow velocity baffle and the oil flow velocity baffle are separated, and the independent contact sends out a tripping signal so that the transformer fault can be better analyzed.

A filter device and methods of use thereof are provided. The filter device may include a pitcher for removably engaging with a base in fluid communication with a fluid source. The pitcher may include a magnetic float assembly, and the base may include a sensor, e.g., a Reed switch, for detecting when a magnetic float of the magnetic float assembly is within a detectable range of the sensor. Upon detection of the magnetic float within the detectable range by the sensor, a controller of the filter device may instruct a pump to pump fluid from the fluid source, through a filtration system of the filter device, and into the pitcher. When the pitcher is full of fluid, the magnetic float will be out of the detectable range of the sensor, such that fluid will stop being transferred from the fluid source to the pitcher.

A filtering device and a method for using the same are provided. The filtering device may include a pitcher for removably engaging a base in fluid communication with a fluid source. The pitcher may include a magnetic float assembly, and the base may include a sensor, e.g., a reed switch, for detecting when a magnetic float of the magnetic float assembly is within a detectable range of the sensor. When the sensor detects the magnetic float within the detectable range, a controller of the filtering device may command a pump to pump fluid from the fluid source through a filtration system of the filtering device and into the pitcher. When the pitcher fills with fluid, the magnetic float moves out of the detectable range of the sensor, thereby ceasing to transfer fluid from the fluid source to the pitcher.

To provide a reed switch unit capable of improving detection accuracy.SOLUTION: A reed switch unit 11 comprises: an elongate reed switch sub-unit 21, which has a reed switch 25 and has a first end portion 26 and a second end portion 27 in a length direction; and a cylindrical housing 22, which has a first opening portion 32 into which the reed switch sub-unit 21 can be inserted from the first end portion 26 side, and which accommodates and holds the reed switch sub-unit 21. The second end portion 27 side of the reed switch sub-unit 21 is supported on the first opening portion 32 side by the housing 22. The housing 22 has a second opening portion 33 on the opposite side to the first opening portion 32. The reed switch unit 11 is provided with a rubber member 23 that is fitted into the second opening portion 33 to stop water from the second opening portion 33, and that supports the first end portion 26 of the reed switch sub-unit 21.SELECTED DRAWING: Figure 3

The present invention provides a semi-automatic production process of a float liquid level switch, which belongs to the technical field of float switch production. It includes the following steps: accessory preparation: injection molding of a float, a baffle and a nut; setting a body with a universal clamping groove; wire harness processing; soldering processing: bending and cutting the legs of the reed switch, welding the reed switch to the wire harness to form a reed switch assembly; assembling the body, nut, washer float and baffle into a combination at one time; glue filling processing: first use the universal clamping groove on the body as the limit clamping position, transport and count each assembly online, fill glue on each assembly, insert, clamp and sort the wire harness online, and pre-check and count the semi-finished product online; baking: bake the semi-finished product once on the online grill, fill glue after baking once, and then bake it twice; finished product detection; laser marking; the production of the float liquid level switch is completed after packaging. The present invention has the advantages of high efficiency and high product quality.

The invention discloses an underwater liquid level switch which comprises a shell, a cable, a trigger assembly and a circuit module. A sealing cavity for accommodating the circuit module is arranged in the shell, and a guide bin communicated with the outside is arranged at the lower part of the shell; the cable and the circuit module are both installed in the sealing cavity. The trigger assembly is suspended in the guide bin and comprises a suspension body, a first magnet, a second magnet and a trigger switch, the first magnet is mounted on the suspension body, and the suspension body is suspended in the guide bin; and the trigger switch is mounted in the sealing cavity. The adsorption of the magnetic force can ensure that the first magnet and the second magnet are kept in an adsorption state within a certain liquid level fluctuation range, so that the jitter of a signal of the liquid level switch is prevented, and the measured value is more visual and accurate. The whole suspension body drives the first magnet to move up and down back and forth in the guide bin, so that the winding risk of a cable is prevented, the whole measurement process is smoother, the service life is prolonged, and the maintenance cost is saved.

A submersible pump, comprising: a casing, having accommodated therein a pumping unit and a drive unit for driving the pumping unit; a base, defining a pump inlet; and a float control unit. The float control unit comprises: a float, having at least one magnet; and a float chamber housing, defining a float chamber in which the float is movable up and down. The float chamber has at least one opening which connects the float chamber with an external environment. At least part of the float chamber housing is movably or removably attached to an outer wall of a casing of the submersible pump.

According to the digital double-floater gas relay for the transformer and the transformer multifunctional monitoring system provided by the invention, when the oil level of the transformer is lowered to a preset position due to gas accumulation, the light gas monitoring system triggers an alarm signal, and the gas volume is measured in real time by the gas volume monitoring system; if the oil level of the transformer oil is further lowered to the limited position of the lower floater, the oil shortage monitoring system triggers an oil shortage alarm; when a serious fault occurs in the transformer and pressure wave flow impacts a relay baffle to a limited position, the heavy gas monitoring system triggers heavy gas alarm; the signals and data are collected by the mainboard and sent to a transformer monitoring system for remote monitoring, analysis and management. According to the double-floater gas relay, digitization is achieved, and the safety monitoring and fault early warning capacity of the transformer is remarkably improved.

The invention relates to the technical field of float switches, in particular to a liquid level float switch and a submersible pump. The liquid level adjusting mechanism is in sliding connection with the frame body component, a first positioning structure is arranged between the frame body component and the liquid level adjusting mechanism, and the first positioning structure is used for limiting the liquid level adjusting mechanism at a certain height; the connecting rod mechanism comprises a guide part and a driving part which are connected with each other; the first switch is matched with the driving part; the floating ball is located below the liquid level adjusting mechanism, and the floating ball is movably connected with the guide part; the lower stroke limiting piece is arranged on the guide part and located below the floating ball; wherein a mechanical triggering mechanism is arranged between the floating ball and the liquid level adjusting mechanism, and when the liquid level rises, the floating ball and the guide part are locked; and when the liquid level drops, the floating ball slides downwards, the floating ball is separated from the mechanical triggering mechanism, and the floating ball and the guide part are unlocked.

The utility model discloses an inductive switch for detecting temperature and liquid level. The inductive switch comprises a mounting piece, a connector, a rod body, an electronic component, a first inductor, a second inductor and a floater. Wherein the connector is arranged on the mounting piece, and the connector is used for being connected with an external cable; the rod body is arranged on the mounting piece, and the rod body is provided with an inner cavity; the electronic component is arranged in the inner cavity of the mounting piece; the first sensor is arranged in the inner cavity of the rod body and is electrically connected with the electronic component; the second sensor is arranged at one end, far away from the connector, of the rod body; the floater is movably arranged outside the rod body, and a magnet is arranged in the floater; the first inductor can detect the position of the magnet, and the second inductor can detect the temperature. The inductive switch for detecting the temperature and the liquid level can detect the temperature and the liquid level, and is simple in structure and small in occupied space.

The present disclosure provides a float switch capable of ensuring the safety of a person even when the float switch is used for water taken in by the person.SOLUTION: A float switch of the present disclosure is a float switch that houses a sensor and an electric wire inside a case from an opening of the case, includes a float that moves up and down along the case, and is formed by filling the inside of the case with a filler, wherein the filler includes a first filler that holds the sensor and the electric wire, and a second filler that is filled in the opening of the case and is different from the first filler.SELECTED DRAWING: Figure 5

A reed switch unit (11) is provided with: an elongated reed switch subunit (21) having a reed switch (25) and having a first end (26) and a second end (27) in the longitudinal direction; and a cylindrical housing (22) having a first opening (32) into which the reed switch subunit (21) can be inserted from the first end (26) side, the housing (22) housing and holding the reed switch subunit (21). The second end portion (27) side of the reed switch subunit (21) is supported by the housing (22) on the first opening portion (32) side. The housing (22) has a second opening (33) on the opposite side of the first opening (32). The reed switch unit (11) is provided with a rubber member (23) that supports the first end portion (26) of the reed switch subunit (21), and the rubber member (23) blocks water from the second opening portion (33) by being fitted into the second opening portion (33).

The invention relates to a submersible motor pump which comprises a float (6) that interacts with a switch (14) for the automated control of the pumping operation. The switch (14) switches the pump on at an upper limit value and switches the pump off at a lower limit value. The switch (14) is connected to a motion member (13) which has an inner magnet (12), the inner magnet (12) being connected to an outer counter magnet (10) which is arranged in a pivotable magnet holder (9). The magnet holder (9) is connected to a lever arm (5) of the float (6) which is designed to be pivotable in its position depending on the surrounding liquid level. The pivoting movement of the magnet holder (9) is at least partially decoupled from the pivoting movement of the float (6).

The invention relates to a cable float type liquid level switch measuring system. The liquid level switch measuring system comprises an outer shell and an inner shell. The inner shell is arranged in the outer shell so as to divide the interior of the outer shell into an upper part and a lower part; the upper part is provided with a microswitch unit, the microswitch unit is provided with a magnetic conductive element, the lower part is provided with a floater unit, and one end of the floater unit is provided with a magnetic element; when liquid enters the lower part and the liquid level rises, the floater unit drives the magnetic element to move up and down, and the magnetic field of the magnetic element acts on the magnetic conducting element, so that the microswitch unit is triggered to act and generate a switching signal. Opening and closing of a circuit are controlled through the floater along with rising and falling of the liquid level, and therefore monitoring of the liquid level is achieved.

This switch is provided with: a main body; and a working body which can be arranged at a detection position close to and opposite to the main body. The working body has first to fourth magnets sequentially arranged in the second direction. The main body has three or more sensors configured so as to be capable of detecting a magnetic flux generated by at least one of the first to fourth magnets. The second magnet and the third magnet are disposed so as to satisfy a first condition or a second condition. The first condition is that the second magnet and the third magnet are disposed closer to the main body than the first magnet and the fourth magnet in the first direction. The second condition is that the distance between the second magnet and the third magnet in the second direction is longer than at least one of the distance between the first magnet and the second magnet in the second direction and the distance between the third magnet and the fourth magnet in the second direction.

The utility model discloses a three-wire system temperature and liquid integrated switch, which comprises a shell, a connecting piece and a probe rod, the connecting piece is fixedly arranged at the lower end of the shell, the probe rod is fixedly arranged at the lower end of the connecting piece, and a wiring module and a control module are arranged in the shell. A magnetic liquid level detection device and a temperature detection device are correspondingly arranged in the probe rod, the probe rod is slidably sleeved with a floating ball part, a permanent magnet is fixedly arranged in the floating ball part, and a limiting part is arranged at the lower end of the probe rod. According to the utility model, the structure of the connecting rod floating ball is improved, and the magnetic system and the temperature sensing resistor are matched, so that the liquid level height and the temperature can be detected synchronously, the whole device is convenient to disassemble, assemble and use, and the accuracy is higher.

A novel float-type liquid level switch belongs to the technical field of liquid level detection equipment and comprises a float, a sleeve, a voltmeter, an upper shell, a thermistor, a detection circuit and a temperature display circuit. The upper end of the sleeve is mounted at the lower end of the upper shell, the thermistor is mounted at the lower end in the sleeve, and the inner side of the floater movably sleeves the outer side end of the sleeve; each detection circuit is matched with a Hall sensor, the Hall sensors are mounted at the front side end of a strip-shaped circuit board at equal intervals from top to bottom, and the strip-shaped circuit board is vertically distributed and mounted in a sleeve; and the voltmeter, the detection circuit and the temperature display circuit are arranged in the upper shell and are electrically connected. The liquid level display device can display more depths and specific liquid level numbers of an area where the liquid level display device is located in real time, a technician can output more different liquid level depth control signals to other electric equipment through one corresponding Hall sensor, the temperature of liquid in the area where the liquid level display device is located can also be displayed, and therefore the liquid level display device is relatively convenient to use and has more functions.

The invention belongs to the technical field of switches, and particularly relates to a flange type float switch. Comprising a flange upper cover and a flange lower cover, the flange upper cover is connected with the flange lower cover, the flange lower cover is provided with a shell and a shell connecting end, the side wall of the shell is oppositely provided with a liquid outlet and a liquid inlet, the flange upper cover is provided with a signal line leading-out port, the middle position of the flange upper cover is provided with a cavity, and a switch module is installed in the cavity. The switch module and the magnetic steel rod are induced through magnetic steel, and the magnetic steel rod is connected with the floating ball. The device has the beneficial effects that a swing type floating ball mechanism and a flange type dismounting and mounting structure are arranged according to the actual situation of an engineering site; through a simple switch module structure, a reliable floating ball swinging and switch module movement mode is provided.

The utility model relates to the technical field of liquid level measurement, in particular to a magnetic type floating ball liquid level switch, which is characterized in that circuit elements do not need to be replaced, only a hollow floating ball needs to be replaced, and the replacement cost is reduced under relatively severe application conditions; the moving direction of the transmission rod is limited by arranging the limiting sliding sleeve, toppling and horizontal swinging of the transmission rod caused by fluctuation of the liquid level are prevented, and use is more stable; the magnetic sensors are arranged at the upper end and the lower end of the side face of the installation box respectively, the magnetic sensors drive the rotating lead screws to rotate through the rotating hand wheels so as to move up and down, and therefore the detection range of the liquid level switch can be adjusted; compared with a traditional electronic element with a contact, the electronic element is long in service life and capable of acting frequently.

A gas relay is a functional unit for the light gas and heavy gas protection of an oil-immersed transformer. When a light gas or heavy gas fault occurs in the oil-immersed transformer, the unit sends a signal in the form of an electrical contact to the transformer protection device. The guide rod and the buoyancy of the transformer oil limit the floating block to move only up and down, driving the attached magnet to approach the corresponding reed switch, and the contact action signal in the reed switch is given to the transformer protection unit. A memory device is added. When the flow plate swings under the impact of the transformer oil surge, in addition to the attached magnet causing the contact of the corresponding reed switch to actuate, the flow plate simultaneously hits the floating block on the memory device, causing the memory device to rotate and send out a visual indication signal. The advantage of the present invention is that the light gas part adopts the floating block action mode, which is relatively simple in structure, has fewer components and a low failure rate. The memory device enhances the directness and visibility of fault judgment.

The invention discloses an underwater liquid level switch and a sealing device thereof, and the sealing device of the underwater liquid level switch comprises a housing, a sealing member and a fixing assembly. The upper part of the shell is provided with a sealing cavity for protecting electrical elements in the underwater liquid level switch, the lower part of the shell is provided with a mounting port connected with the underwater liquid level switch, and the shell is provided with an opening allowing a cable to pass through; the sealing piece comprises a plugging part which extends into the shell through the opening, and a limiting part which is partially inserted into the shell. According to the underwater liquid level switch, the sealing performance between the shell and the underwater liquid level switch is maintained, the overall sealing performance and protectiveness to electrical elements are improved, the service life is prolonged, the underwater liquid level switch can be conveniently installed in an underwater liquid level switch in the prior art, the connection strength between the underwater liquid level switch and a cable is improved, the service life is further prolonged, and the use cost is reduced. The device is suitable for a more complex environment and can be placed below a deeper liquid level, and the application range is widened.

A filter device and methods of use thereof are provided. The filter device may include a pitcher for removably engaging with a base in fluid communication with a fluid source. The pitcher may include a magnetic float assembly, and the base may include a sensor, e.g., a Reed switch, for detecting when a magnetic float of the magnetic float assembly is within a detectable range of the sensor. Upon detection of the magnetic float within the detectable range by the sensor, a controller of the filter device may instruct a pump to pump fluid from the fluid source, through a filtration system of the filter device, and into the pitcher. When the pitcher is full of fluid, the magnetic float will be out of the detectable range of the sensor, such that fluid will stop being transferred from the fluid source to the pitcher.

A filter device and methods of use thereof are provided. The filter device may include a pitcher for removably engaging with a base in fluid communication with a fluid source. The pitcher may include a magnetic float assembly, and the base may include a sensor, e.g., a Reed switch, for detecting when a magnetic float of the magnetic float assembly is within a detectable range of the sensor. Upon detection of the magnetic float within the detectable range by the sensor, a controller of the filter device may instruct a pump to pump fluid from the fluid source, through a filtration system of the filter device, and into the pitcher. When the pitcher is full of fluid, the magnetic float will be out of the detectable range of the sensor, such that fluid will stop being transferred from the fluid source to the pitcher.

The utility model provides a convenient and replaceable liquid level switch assembly, and aims to solve the problems that a liquid level switch assembly in the prior art needs to use wires to connect terminals to establish circuit connection, wired connection is relatively tedious, and production and assembly efficiency is reduced at the same time. The switch mainly comprises a circuit board, welding feet, wiring terminals, a switch mechanism and a magnetic steel assembly. According to the utility model, the circuit board is adopted, the internal integration of the circuit board is used for replacing the traditional wire assembly wiring, the tedious wiring among the switch body, the wiring terminal, the switch bracket and the wire is removed, and the wireless effect is realized; the wiring terminal, the circuit board and the switch are modularized integrated parts, and the switch frame is manufactured by a mold, so that only simple operation is needed during production and assembly, and the assembly complexity is greatly reduced; meanwhile, the switch frame is provided with the magnetic steel seat, the magnetic steel block is directly installed in the magnetic steel seat, secondary processing of fixed magnetic steel on the switch arm is not needed, secondary processing of an original switch is avoided, and stable performance of the original switch is effectively ensured.

A non-contact switch for controlling a plurality of working modes. The non-contact switch comprises a fixed member (10), a sliding member (20) and a processor (30), wherein the fixed member (10) comprises a sensor module (11); the sliding member (20) is spaced apart from the fixed member (10) and can move in a preset direction relative to the fixed member (10); the sliding member (20) comprises a magnetic head (23), the magnetic head (23) at least partially coinciding with a projection of the sensor module (11), so that the sensor module (11) can determine the position of the sliding member (20) relative to the fixed member (10); and the processor (30) is electrically connected to the sensor module (11), and the processor (30) enables the non-contact switch to be in a corresponding working mode according to information of the position of the sliding member (20) relative to the fixed member (10). The electronic device (1000) comprises the non-contact switch. The sliding member (20) of the non-contact switch does not need to be in direct contact with the fixed member (10), which is helpful to improving the sealing performance of the electronic device (1000).

The utility model relates to the technical field of liquid level detection, in particular to a liquid level switch device capable of detecting temperature, which is characterized by comprising a liquid level switch body and a temperature detection circuit, the liquid level switch body comprises at least one liquid level switch circuit positioned in an inner cavity of the liquid level switch body, and the temperature detection circuit is arranged in the inner cavity. And an insulator for isolating or positioning the temperature detection circuit and the liquid level switch circuit is arranged in the inner cavity. The temperature and the liquid level can be detected at the same time, the requirements for temperature detection and liquid level detection can be met through one-time installation and positioning, the assembly amount of workers can be reduced, the assembly efficiency of the workers can be improved, the use amount of materials can be reduced, and therefore the labor cost and the material cost can be reduced; and the temperature sensor can be positioned on the inner side of the liquid to detect the temperature, so that the accuracy of temperature detection and control can be improved, and potential safety hazards can be reduced.