47results about "Mangetic float movement actuation" patented technology

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 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 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.

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 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 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 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.

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 discloses an anti-dry burning protection device group, which is used for controlling a heating device and comprises a floater mechanism and a magnetic induction controller. The floater mechanism is used for detecting the height of the liquid level and provided with a magnetic driving part with the position changing along with the height of the liquid level, and the magnetic driving part is a magnet. The magnetic induction controller is used for being connected with the heating device and used for controlling the heating device to be turned on and turned off, and the magnetic induction controller can be triggered by the magnetic driving part to change the control state of the magnetic induction controller. When the detected liquid level of the floater mechanism changes to be lower than the preset position, the magnetic driving part changes the position and triggers the magnetic induction controller to enter the state of closing the heating device. According to the anti-dry-burning protection device set, the floater mechanism is matched with the magnetic trigger controller to achieve anti-dry-burning protection, reliability is good, and installation and arrangement flexibility is good.

A threaded adapter seal comprising fitting and sealing components for fluid transport applications. Opposed gripping and externally-threaded sections in the fitting component each have hollow interiors, and reduced interior and exterior diameter dimensions of the externally-threaded section compared to the gripping section, provide an interior stop separating the fitting component sections and also provide a radially-extending exterior surface therebetween where an indent is present to improve leak-reducing placement, fit, and performance of the sealing component after threaded adapter seal installation is complete. Improved seating and fit of the sealing component prevent overtightening thread damage during installation. Use of a non-standard thread angle for the externally-threaded section in the range of 1.75 to 4 degrees does also. Contemplated use of the threaded adapter seal includes connection of fluid-bearing tubular components, extension tubing, and / or fluid-activated shut-off switches where the addition of a separable threaded connection is desired for maintenance or replacement purposes.

This invention provides a liquid level switch mounting structure, a liquid level switch, and an electrical device, relating to the field of liquid level detection technology. It solves the technical problem of inconvenient installation of existing liquid level switches. The liquid level switch mounting structure includes a snap-fit ​​fixing structure and a connecting part disposed on the liquid level switch. The snap-fit ​​fixing structure includes a snap-fit ​​part and a mating part, one of which is disposed on the connecting part and the other on the bracket plate of the electrical device. After the connecting part is vertically moved towards the bracket plate and into position, the snap-fit ​​part and the mating part engage to secure the connecting part to the bracket plate. This invention enables rapid installation of the liquid level switch and the bracket plate.

The utility model discloses a double-water-level switch which is located on one side of a water tank and comprises a switch shell, two floaters and two water level switches, the switch shell comprises two barrel-shaped limiting shells, each limiting shell is internally provided with one floater, the water level switches are installed on the side wall of the water tank, and each water level switch corresponds to the corresponding floater. The two barrel-shaped limiting shells are each internally provided with a floater, when any floater floats to the set water level, the floater is aligned with the water level switch, the water level switch transmits a signal to the electric control unit after sensing the floater, and the electric control unit controls the water inlet valve to be closed. The two floaters and the two water level switches are arranged in the double-water-level switch, the water inlet valve can be closed as long as one water level switch signal is detected, the water level in the water tank can be effectively controlled even if one water level switch fails, and the water inlet reliability is improved.

The application relates to a non-contact switch and an electronic device. The non-contact switch is used for controlling multiple working modes, and comprises a fixed part, a sliding part and a processor; the fixed part comprises a sensor module; the sliding part is arranged in a spaced mode relative to the fixed part and can move along a preset direction relative to the fixed part; the sliding part comprises a magnetic head, and the magnetic head at least partially coincides with the sensor module so that the sensor module can judge the position of the sliding part relative to the fixed part; the processor is electrically connected with the sensor module, and the processor makes the non-contact switch be in a corresponding working mode according to the position of the sliding part relative to the fixed part. The electronic device comprises the non-contact switch. The non-contact switch provided by the application is beneficial to improving the sealing performance of the electronic device, and the sliding part does not need to be directly contacted with the fixed part.

The utility model 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 utility model has the beneficial effects that the swing type floating ball mechanism and the 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 invention discloses an automatic production line for oil can floaters. The automatic production line comprises an injection molding machine, a base iron feeding device, a weighing device, a magnetic detection device and a discharging device. A floater body is processed by the injection molding machine, transferred to the base iron feeding device for loading base iron, weighed by the weighing device, detected by the magnetic force detection device, and finally discharged by the discharging device. The base iron feeding device is provided with a feeding vibration disc, a feeding bearing seat and a feeding mechanical arm, an output port of the feeding vibration disc is connected with a feeding rail, the feeding mechanical arm can slide above the feeding rail and the feeding bearing seat, the floater body is transferred to the feeding bearing seat from the injection molding machine, and the base iron is clamped and conveyed to the floater body. And a magnetizing device is arranged between the weighing device and the magnetic force detection device, and the weighed floater body with the base iron is fed for magnetizing. According to the production line, automatic production of floater bodies is achieved through all the devices, efficiency is improved, the base iron feeding device facilitates conveying and mounting, the magnetizing device guarantees quality, the whole is compact and stable, and the large-scale production requirement is met.

The invention relates to a submerged motor pump comprising a float (6) which interacts with a switch (14) in order to automatically control the pumping process. A switch (14) switches on the pump at an upper limit value and switches off the pump at a lower limit value. The switch (14) is connected to a moving element (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 carrier (9). The magnet carrier (9) is connected to the lever arm (5) of the float (6), which is configured so as to be pivotable in position depending on the surrounding liquid level. The oscillating movement of the magnet carrier (9) is designed to be at least partially decoupled from the oscillating movement of the float (6).

To provide a bath boiler which enables a water flow switch to operate stably even if a passage extending from a pump to the water flow switch bends.SOLUTION: A bath boiler includes: a pump; a water flow switch 40 which operates according to a water flow in a first direction; and a connection pipe part 70 which connects the pump with the water flow switch. At a connection portion between the connection pipe part and the water flow switch, a direction in which hot water flows changes from a second direction intersecting with the first direction to the first direction. The water flow switch includes a casing 71 forming a path of hot water. The casing includes an inflow pipe part 76 into which hot water flows from the connection pipe part. 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 cylinder part with the second cylinder part. A cross sectional area of an internal space of the second cylinder part is smaller than a cross sectional area of an internal space of the first cylinder part. An inner peripheral surface of the third cylinder part is provided with an inclined part 81 which is disposed at a depth side in the second direction and gradually inclines inward of the third cylinder part from the upstream to the downstream.SELECTED DRAWING: Figure 5

The invention relates to the technical field of liquid level control, and discloses a liquid level switch which comprises a switch body, a mesh enclosure and a spherical floater. A magnetic switch is arranged in the switch body; the net cover is of a spherical net structure, a mounting hole is formed in the top of the net cover, the switch body is plugged into the mounting hole of the switch body, and a spherical net-shaped containing space is jointly defined by the net cover and the switch body; the ball-shaped floater is movably contained in the containing space, a magnet is arranged in the ball-shaped floater, and in the floating process of the ball-shaped floater, the ball-shaped floater is guided by the containing space to float to the position of the installation hole and triggers the switch body. Clamping stagnation caused by posture deviation or uneven local stress is not easy to occur when the device moves in the accommodating space; the spherical net-shaped containing space defined by the net cover and the switch body provides an adaptive movement range for the spherical floater, the clamping stagnation problem of a traditional liquid level switch is effectively solved, and the reliability and the use stability of the whole device are improved.