CN209946196U - Device for detecting rotation of valve rod shaft by magnetic switch - Google Patents
Device for detecting rotation of valve rod shaft by magnetic switch Download PDFInfo
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- CN209946196U CN209946196U CN201921025293.3U CN201921025293U CN209946196U CN 209946196 U CN209946196 U CN 209946196U CN 201921025293 U CN201921025293 U CN 201921025293U CN 209946196 U CN209946196 U CN 209946196U
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- valve rod
- magnetic switch
- magnet
- rod shaft
- magnet seat
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Abstract
The utility model discloses a device for detecting the rotation of a valve rod shaft by a magnetic switch, which belongs to the technical field of valve detection, and comprises a valve rod shaft, wherein the outer wall of the valve rod shaft is provided with a flange, a sealing box is fixedly arranged on the top wall of the flange, a main circuit board is respectively arranged in the inner cavity of the sealing box, communication module and power, the inner chamber roof fixed mounting of seal box has the magnetic switch, communication module's the input and the output of magnetic switch and the MCU transmission port electric connection on the main circuit board, the power is connected through the input port of electrically conductive and main circuit board, the outer wall joint of valve rod axle has the magnet seat, the magnet seat is located the roof inner chamber of seal box, the diapire fixed mounting of magnet seat has magnet, the magnet seat clamp plate is installed to the roof of seal box, the magnet seat clamp plate is located the upper portion of magnet seat, but whether this device remote detection valve rod axle rotates, detect valve rod axle pivoted number of turns and direction.
Description
Technical Field
The utility model discloses a detect valve rod axle pivoted device with magnetism switch specifically is valve detection technical field.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to the function, the device can be divided into a shut-off valve, a check valve, a regulating valve and the like, the rotation angle and the rotation direction of the opening and closing of the existing valve are mostly detected by adopting a mechanical contact type device, but the mechanical contact type position sensor is easy to cause mechanical abrasion after being used for a long time, so that the angle measurement precision is reduced, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a detect valve rod axle pivoted device with magnetic switch to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the device for detecting rotation of the valve rod shaft through the magnetic switch comprises the valve rod shaft, wherein a flange is arranged on the outer wall of the valve rod shaft, a sealing box is fixedly installed on the top wall of the flange, a main circuit board, a communication module and a power supply are installed in an inner cavity of the sealing box respectively, the magnetic switch is fixedly installed on the top wall of the inner cavity of the sealing box, the input end of the communication module and the output end of the magnetic switch are electrically connected with an MCU (microprogrammed control unit) transmission port in the main circuit board, the power supply is connected with an input port of the main circuit board through electric conduction, a magnet seat is clamped on the outer wall of the valve rod shaft and located in the inner cavity of the top wall of the sealing box, a magnet is fixedly installed on the bottom wall of the magnet seat.
Preferably, the inner cavity of the magnet base pressing plate is provided with a sealing element.
Preferably, the inner portion of the seal is in contact with the outer wall of the valve stem shaft.
Preferably, at least two groups of the magnetic switches are arranged.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the device is provided with a magnet and a magnetic switch, the magnet is driven to rotate by the rotation of a valve rod shaft, the magnet can sequentially trigger the magnetic switch to generate an electric signal when rotating, the sequentially triggered magnetic switch can send a level signal to an MCU (microprogrammed control unit) on a main circuit board, and the MCU judges the rotation direction and the number of turns of the valve rod shaft according to the level signal;
2) this device sets up the magnet seat, increases the distance of magnet and valve rod axle, increases the position of magnetic switch and valve rod axle for distance between the magnetic switch increases, improves and measures the accuracy, and this device is provided with communication module, but whether long-range detection valve rod axle rotates, detects valve rod axle pivoted number of turns and direction.
Drawings
Fig. 1 is a schematic front sectional view of the magnetic switch of the present invention;
fig. 2 is a schematic top view of the magnetic switch of the present invention.
In the figure: 100 valve stem shaft, 110 flange, 200 seal box, 210 main circuit board, 220 communication module, 230 power supply, 240 magnetic switch, 300 magnet holder, 310 magnet, 400 magnet holder platen, 410 seal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a device for detecting rotation of a valve rod shaft by a magnetic switch, which can remotely detect whether the valve rod shaft rotates and detect the number of turns and the direction of the rotation of the valve rod shaft, please refer to fig. 1, and comprises a valve rod shaft 100, wherein the outer wall of the valve rod shaft 100 is provided with a flange 110, and the flange 110 is used for connecting a valve rod seat and a sealing box 200;
referring to fig. 1 again, a sealing box 200 is fixedly mounted on the top wall of the flange 110, a main circuit board 210, a communication module 220 and a power supply 230 are respectively mounted in an inner cavity of the sealing box 200, a magnetic switch 240 is fixedly mounted on the top wall of the inner cavity of the sealing box 200, an input end of the communication module 220 and an output end of the magnetic switch 240 are electrically connected with an MCU transmission port on the main circuit board 210, the power supply 230 is connected with an input port of the main circuit board 210 through conduction, the sealing box 200 is used for mounting the main circuit board 210, the communication module 220 and the power supply 230, the magnetic switch 240 is used for transmitting high and low level signals to an MCU on the main circuit board 210, the magnetic switch 240 is screwed on the top wall of the inner cavity of the sealing box 200, a through hole is formed in;
referring to fig. 1 and 2, a magnet base 300 is fastened to an outer wall of the valve stem shaft 100, the magnet base 300 is located in an inner cavity of a top wall of the seal box 200, a magnet 310 is fixedly mounted on a bottom wall of the magnet base 300, the magnet base 300 is used for bearing the magnet 310, the magnet 310 can be bonded to the outer wall of the magnet base 300, the magnet base 300 increases a distance between the magnet 310 and the valve stem shaft 100, the magnet 310 is used for triggering a high-level signal of the magnetic switch 240, and the valve stem shaft 100 rotates to drive the magnet base 300 to rotate in the inner cavity of the top end of the seal box 200;
referring to fig. 1, a magnet base pressing plate 400 is installed on the top wall of the sealing box 200, the magnet base pressing plate 400 is located on the upper portion of the magnet base 300, the magnet base pressing plate 400 is screwed to the top wall of the sealing box 200, and the magnet base pressing plate 400 is used for limiting the magnet base 300;
referring to fig. 1 again, the inner cavity of the magnet base pressing plate 400 is provided with a sealing member 410;
referring to fig. 1 again, the inner portion of the sealing member 410 contacts the outer wall of the valve stem shaft 100, so as to improve the sealing performance of the device and prevent foreign matters such as external dust from entering the inner cavity of the sealing box 200 through the magnet base pressing plate 400;
the magnetic switches 240 are at least provided with more than two groups, one group of magnetic switches 240 can only measure the rotation turns of the valve rod shaft 100, and when the two groups of magnetic switches 240 are respectively triggered, the rotation direction of the valve rod shaft 100 can be detected according to the triggering sequence.
While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed herein can be used in any combination with one another, and the description of such combinations that is not exhaustive in this specification is merely for brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. The utility model provides a device that detects valve rod axle pivoted with magnetism switch which characterized in that: the valve rod shaft comprises a valve rod shaft (100), a flange (110) is arranged on the outer wall of the valve rod shaft (100), a sealing box (200) is fixedly installed on the top wall of the flange (110), a main circuit board (210), a communication module (220) and a power supply (230) are respectively installed in an inner cavity of the sealing box (200), a magnetic switch (240) is fixedly installed on the top wall of the inner cavity of the sealing box (200), the input end of the communication module (220) and the output end of the magnetic switch (240) are electrically connected with an MCU transmission port on the main circuit board (210), the power supply (230) is connected with an input port of the main circuit board (210) through conduction, a magnet seat (300) is clamped on the outer wall of the valve rod shaft (100), the magnet seat (300) is located in the inner cavity of the top wall of the sealing box (200), a magnet (310) is fixedly installed on the bottom wall of the magnet seat (300), and, the magnet holder pressing plate (400) is positioned at the upper part of the magnet holder (300).
2. The apparatus for detecting rotation of a valve stem shaft by a magnetic switch of claim 1, wherein: and a sealing element (410) is arranged in the inner cavity of the magnet seat pressing plate (400).
3. The apparatus for detecting rotation of a valve stem shaft by a magnetic switch according to claim 2, wherein: the inner portion of the seal (410) is in contact with the outer wall of the valve stem shaft (100).
4. The apparatus for detecting rotation of a valve stem shaft by a magnetic switch of claim 1, wherein: the magnetic switches (240) are at least provided with more than two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921025293.3U CN209946196U (en) | 2019-07-02 | 2019-07-02 | Device for detecting rotation of valve rod shaft by magnetic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921025293.3U CN209946196U (en) | 2019-07-02 | 2019-07-02 | Device for detecting rotation of valve rod shaft by magnetic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209946196U true CN209946196U (en) | 2020-01-14 |
Family
ID=69136509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921025293.3U Active CN209946196U (en) | 2019-07-02 | 2019-07-02 | Device for detecting rotation of valve rod shaft by magnetic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209946196U (en) |
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2019
- 2019-07-02 CN CN201921025293.3U patent/CN209946196U/en active Active
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