CN214380853U - Non-contact electronic switch - Google Patents
Non-contact electronic switch Download PDFInfo
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- CN214380853U CN214380853U CN202120592574.8U CN202120592574U CN214380853U CN 214380853 U CN214380853 U CN 214380853U CN 202120592574 U CN202120592574 U CN 202120592574U CN 214380853 U CN214380853 U CN 214380853U
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- circuit board
- magnet
- hall sensor
- slider
- slide
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Abstract
The utility model discloses a non-contact electronic switch, including circuit board, hall inductor, slider and magnet, hall inductor sets up on the circuit board and is connected with the circuit board, predetermines interval distribution between magnet and the circuit board, and the slider is located between magnet and the circuit board, and the slider removes along magnet length direction. When the slide is in different positions between the magnet and the circuit board, the magnetic field of the magnet can change, the magnetic flux of the Hall sensor changes, and then the electric signal output by the Hall sensor changes, the Hall sensor transmits the self electric signal to the circuit board in real time, the circuit board judges the position change of the slide according to the change condition of the Hall sensor electric signal, thereby determining the specific position of the slide, when the slide slides to a certain position, the circuit board control switch is opened, the Hall sensor of the control switch, the slide and the magnet are not in contact physically, thereby avoiding the problems of friction damage and friction noise.
Description
Technical Field
The utility model relates to an electrical apparatus switch technical field, in particular to non-contact electronic switch.
Background
The more and more switches are used in daily life of people, such as a home security door switch, a car door switch, a shop door switch, and the like, which are all closely related to and play an important role in daily life of people.
Present switch adopts the scheme of contact more, and when the switch was opened or was closed, switch internals all can produce the friction, and then produces friction damage and friction noise, and the friction damage has not only reduced the life of switch itself, and friction noise still can produce certain influence to the user.
Therefore, how to solve the problems of friction damage and friction noise of the conventional electronic switch is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a non-contact electronic switch carries out the physics through the component with control switch and keeps apart, has avoided the problem of friction damage and friction noise between the component.
In order to solve the technical problem, the utility model provides a non-contact electronic switch, including circuit board, hall inductor, slider and magnet, hall inductor set up in on the circuit board and with the circuit board is connected, the magnet with predetermine interval distribution between the circuit board, the slider is located the magnet with between the circuit board, just the slider is followed magnet length direction removes.
Preferably, the sliding sheet is a magnetizer structure sheet.
Preferably, the magnet is arranged in parallel with the circuit board.
Preferably, the slider moves along a center line of the magnet and the circuit board.
Preferably, the magnet is a permanent magnet and/or an electromagnet.
Preferably, a bracket for mounting the circuit board and the magnet is further included.
Preferably, a sealing shell is arranged outside the bracket.
The utility model provides a non-contact electronic switch, including circuit board, hall inductor, slider and magnet, hall inductor sets up on the circuit board and is connected with the circuit board, predetermines interval distribution between magnet and the circuit board, and the slider is located between magnet and the circuit board, and the slider removes along magnet length direction. When the slide is in different positions between the magnet and the circuit board, the magnetic field of the magnet can change, the magnetic flux of the Hall sensor changes, and then the electric signal output by the Hall sensor changes, the Hall sensor transmits the self electric signal to the circuit board in real time, the circuit board judges the position change of the slide according to the change condition of the Hall sensor electric signal, thereby determining the specific position of the slide, when the slide slides to a certain position, the circuit board control switch is opened, the Hall sensor of the control switch, the slide and the magnet are not in contact physically, thereby avoiding the problems of friction damage and friction noise.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a specific embodiment of the present invention.
Wherein, in fig. 1:
the circuit board-1, the Hall sensor-2, the sliding sheet-3, the magnet-4, the support-5 and the sealed shell-6.
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.
Referring to fig. 1, fig. 1 is a schematic diagram of an overall structure of an embodiment of the present invention. Wherein the arrows in the figure represent the direction of movement of the slides.
The utility model provides an among the concrete implementation mode, mainly include circuit board 1, hall inductor 2, slider 3 and magnet 4, hall inductor 2 sets up on circuit board 1 and is connected with circuit board 1, predetermines interval distribution between magnet 4 and the circuit board 1, and slider 3 is located between magnet 4 and the circuit board 1, and slider 3 removes along 4 length direction of magnet.
The circuit board 1 is used for collecting an electric signal of the Hall sensor 2 and judging the position of the sliding sheet 3 through the change of the electric signal of the Hall sensor 2, the Hall sensor 2 is used for sensing the magnetic field of the magnet 4 and transmitting the change of the electric signal of the Hall sensor 2 to the circuit board 1 when the magnetic field of the magnet 4 changes, and the sliding sheet 3 is used for sliding between the magnet 4 and the circuit board 1 to enable the Hall sensor 2 to sense the magnetic field with different magnet 4.
Specifically, in the middle of the practical application process, slide 3 slides between magnet 4 and circuit board 1, influence to magnet 4 according to slide 3, when slide 3 is in the different positions between magnet 4 and circuit board 1, the magnetic field of magnet 4 can change, thereby make hall sensor 2's magnetic flux change, and then make the signal of telecommunication of hall sensor 2 output change, hall sensor 2 transmits self signal of telecommunication for circuit board 1 in real time, circuit board 1 is according to the situation of change of the 2 signal of telecommunication of hall sensor, judge the position change of slide 3, thereby confirm the concrete position of slide 3, when slide 3 slides to a certain position, circuit board 1 control switch opens.
It should be noted that the sliding plate 3 is a magnetizer structure plate, and the movement of the magnetizer relative to the magnet 4 can cause the change of the magnetic field of the magnet 4, so that the magnetic flux of the hall sensor 2 can be changed, the electric signal output by the hall sensor 2 can be changed, and the basis can be provided for the circuit board 1 to judge the position of the sliding plate 3.
Further, magnet 4 is parallel arrangement with circuit board 1, can make slide 3 slide between magnet 4 and circuit board 1, and the displacement volume of slide 3 is more accurate, makes the magnetic field change that magnet 4 produced more regular, and then makes hall sensor 2's magnetic flux change more stable, and the signal of telecommunication change frequency of hall sensor 2 output is more accurate, and circuit board 1 is more accurate to the position judgement of slide 3, guarantees non-contact switch's practicality.
Similarly, the slider 3 moves along the central line of magnet 4 and circuit board 1, when can making the slider 3 slide between magnet 4 and circuit board 1, the displacement volume of slider 3 is more accurate, makes the magnetic field change that magnet 4 produced more regular, and then makes hall sensor 2's magnetic flux change more stable, and the signal of telecommunication change frequency of hall sensor 2 output is more accurate, and circuit board 1 is more accurate to the position judgement of slider 3, guarantees non-contact switch's practicality.
Further, the magnet 4 is a permanent magnet and/or an electromagnet, and the magnet 4 can be selected from three combinations, namely a permanent magnet, an electromagnet, a permanent magnet and an electromagnet, so that the scheme of the application is more convenient to implement.
In order to increase the stability of the electronic switch, the non-contact switch further comprises a bracket 5 for mounting the circuit board 1 and the magnet 4, the bracket 5 is used for fixing the magnet 4 and the hall sensor 2, the slider 3 can slide between the circuit board 1 and the magnet 4 from side to side, the position of the slider 3 is different, and the output signal of the hall sensor 2 is different, so that the position of the slider 3 can be judged.
In order to further increase the safety of the non-contact switch, the sealing shell 6 is arranged outside the bracket 5, the circuit board 1, the hall sensor 2, the sliding plate 3, the magnet 4 and the bracket 5 are isolated from the external environment by the sealing shell 6, so that the influence of the external environment on working elements inside the non-contact switch can be avoided, for example, the non-contact switch cannot work normally due to the fact that moisture in the external air enters the inside of the non-contact switch, and the safety and the reliability of the non-contact switch are ensured.
It should be noted that, in the design of the non-contact switch disclosed in the present application, different variants of non-contact switches can be designed by adjusting the size and remanence of the magnet, the magnetic permeability of the slider, the induction parameters of the hall sensor, and the relative distances between the parts, and all belong to the protection scope of the present application.
To sum up, the non-contact electronic switch provided in this embodiment mainly includes a circuit board, a hall sensor, a slider and a magnet, the hall sensor is disposed on the circuit board and connected to the circuit board, the magnet and the circuit board are distributed at a predetermined distance, the slider is located between the magnet and the circuit board, and moves along the length direction of the magnet, when the slider slides between the magnet and the circuit board, according to the influence of the slider on the magnet, when the slider is at different positions between the magnet and the circuit board, the magnetic field of the magnet changes, so that the magnetic flux of the hall sensor changes, and further the electrical signal output by the hall sensor changes, the hall sensor transmits its own electrical signal to the circuit board in real time, and the circuit board determines the position change of the slider according to the change of the electrical signal of the hall sensor, so as to determine the specific position of the slider, when the sliding sheet slides to a certain position, the circuit board controls the switch to be switched on, and the Hall sensor, the sliding sheet and the magnet of the control switch are not in contact physically, so that the problems of friction damage and friction noise are avoided.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The non-contact electronic switch is characterized by comprising a circuit board, a Hall sensor, a sliding sheet and a magnet, wherein the Hall sensor is arranged on the circuit board and connected with the circuit board, the magnet and the circuit board are distributed at preset intervals, the sliding sheet is positioned between the magnet and the circuit board, and the sliding sheet moves along the length direction of the magnet.
2. The contactless electronic switch of claim 1, wherein the slider is a piece of magnetizer structure.
3. The contactless electronic switch of claim 2, wherein said magnet is disposed parallel to said circuit board.
4. The contactless electronic switch of claim 3, wherein the slider moves along a center line of the magnet and the circuit board.
5. The contactless electronic switch according to claim 1, wherein the magnet is a permanent magnet and/or an electromagnet.
6. The contactless electronic switch of claim 1, further comprising a bracket for mounting the circuit board and the magnet.
7. The contactless electronic switch of claim 6, wherein said holder is externally provided with a sealed housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120592574.8U CN214380853U (en) | 2021-03-23 | 2021-03-23 | Non-contact electronic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120592574.8U CN214380853U (en) | 2021-03-23 | 2021-03-23 | Non-contact electronic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214380853U true CN214380853U (en) | 2021-10-08 |
Family
ID=77972518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120592574.8U Active CN214380853U (en) | 2021-03-23 | 2021-03-23 | Non-contact electronic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214380853U (en) |
-
2021
- 2021-03-23 CN CN202120592574.8U patent/CN214380853U/en active Active
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