CN217035505U - Electrodeless contactless operating switch - Google Patents
Electrodeless contactless operating switch Download PDFInfo
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- CN217035505U CN217035505U CN202220518036.9U CN202220518036U CN217035505U CN 217035505 U CN217035505 U CN 217035505U CN 202220518036 U CN202220518036 U CN 202220518036U CN 217035505 U CN217035505 U CN 217035505U
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Abstract
The application provides a non-polar non-contact operation switch. The electrodeless non-contact operation switch comprises a circuit board, a shell, a first control piece, a second control piece, an operation rod and at least one Hall sensor. The first control piece and the second control piece are arranged in the accommodating cavity of the shell, the first control piece is provided with a first long hole, the second control piece is provided with a second long hole, and the operating rod is abutted to the inner bottom surface of the shell, penetrates through the first long hole and the second long hole, protrudes out of the shell and is used for respectively controlling the rotation of the first control piece or the second control piece. The electrodeless non-contact operation switch can realize accurate induction of the 3D position of the operation rod, improves the precision of a product and realizes electrodeless operation control; and each control piece does not interfere with each other when operating, has realized contactless control, improves the life-span of switch product.
Description
Technical Field
The application relates to the technical field of switches, in particular to an electrodeless non-contact operating switch.
Background
At present, most of conventional stepless operation switches are designed by adopting potentiometers, but the stepless operation switches adopting the potentiometers have the following defects: 1. through contact conduction, the risk of foreign matter non-conduction or unstable conduction exists; 2. sliding friction always exists in the operation process, the potentiometer is worn, and the service life is short; 3. the switch product slides through the position, so that the voltage change is caused by the resistance change, and the product precision is poor; 4. the friction exists in a plurality of positions, the friction feeling is large, and the hand feeling experience is caused.
Therefore, it is an urgent need for those skilled in the art to develop a new non-contact and non-polar operation switch.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the application provides the electrodeless non-contact operating switch, the Hall sensor with orthogonal design is matched with a brand new operating mechanism, and the electrodeless non-contact operating switch has the advantages of high efficiency, high precision and low cost.
The application provides a non-polar non-contact operating switch, the non-polar non-contact operating switch includes circuit board, casing, first control piece, second control piece, action bars and at least one hall sensor.
The shell is mounted on the circuit board, and an accommodating cavity is formed in the shell;
the first control piece is provided with a first long hole and is rotatably arranged in the accommodating cavity by taking a first shaft as a rotating shaft;
the second control piece is provided with a second long hole and is rotatably arranged in the accommodating cavity by taking a second shaft as a rotating shaft;
the operating rod is abutted against the inner bottom surface of the shell, passes through the first long hole and the second long hole, protrudes out of the shell and is used for respectively controlling the rotation of the first control piece or the second control piece;
the Hall sensor is mounted on the circuit board.
In particular, the method comprises the following steps of,
the first shaft is arranged orthogonally to the second shaft, the first control piece is arranged above the second control piece, and the first control piece and the second control piece do not interfere with each other in movement;
the first control piece comprises a first control part and two first pivot parts, and the two first pivot parts are respectively arranged at two ends of the first control part along the first shaft;
the second control piece comprises a second control part and at least one second pivot part, and the second pivot part is arranged at one end of the second control part along the second shaft;
the first pivot part is fixedly provided with at least one annular first magnetic part, and the first control part drives the first magnetic part to synchronously rotate when rotating; the second pivot part is fixedly provided with at least one annular second magnetic piece, and the second control piece drives the second magnetic piece to synchronously rotate when rotating;
the Hall sensor is arranged at a position adjacent to the first magnetic part and/or the second magnetic part and coupled with the first magnetic part or the second magnetic part so as to sense the rotation change of the first magnetic part or the second magnetic part.
In an alternative implementation manner, the first magnetic part comprises a semi-annular S-pole magnetic part and a semi-annular N-pole magnetic part which are symmetrically arranged; the second magnetic parts comprise semi-annular S-pole magnetic parts and semi-annular N-pole magnetic parts which are symmetrically arranged.
According to the first magnetic part and the second magnetic part of the implementation mode, the uniform distribution of the operating magnetic field can be realized through the symmetrical design of the magnet structure, so that the Hall effect presents sinusoidal change, and the precision of a switch product is improved.
In an alternative implementation manner, the first control portion is an arc-shaped bar structure, the two first pivot portions are respectively disposed at two ends of the arc-shaped bar structure, and the first long hole is disposed in the middle of the arc-shaped bar structure. Through the design of the arc-shaped strip structure, a barrier-free movable space can be provided for the second control part, and a non-contact operation effect is achieved.
In an alternative implementation manner, the second control portion is a square structure, two ends of the square structure are respectively provided with a second pivot portion, and the second long hole is provided with a middle portion of the square structure. The second control part adopts a square structural design, can realize simplification of the structure on the basis of providing sufficient control space, and is beneficial to reducing the switch volume.
In an optional implementation manner, the electrodeless contactless operation switch further comprises a third control element, and the third control element and the second control element are nested and movably arranged; the third control part is provided with a third long hole and a third control part, the third long hole is embedded with the second long hole, and the third control part partially penetrates out of the shell along the second axis direction.
The electrodeless contactless operating switch also comprises a control switch, the control switch is arranged on the circuit board and is coupled with the third control part, and the third control part is used for triggering the control switch.
Through the combination of the third control part and the control switch, more multi-path output control can be provided, and the function of the electrodeless non-contact operation switch is increased.
According to the technical scheme provided by the implementation mode, the electrodeless non-contact operation switch can realize accurate induction on the 3D position of the operating rod, the precision of a product is improved, and electrodeless operation control is realized; and each control piece does not interfere with each other when operating, has realized contactless control, improves the life-span of switch product.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of an electrodeless contactless operation switch provided in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a portion of the components of the electrodeless contactless operating switch of FIG. 1;
fig. 3 is an exploded view of the first control member, the second control member and the operation rod of the electrodeless contactless operation switch in fig. 1;
FIG. 4 is a schematic diagram showing an assembly structure of the first control member, the second control member and the third control member of the non-contact operation switch in FIG. 1;
fig. 5 is a front view of the first magnetic member.
Fig. 6 is a schematic structural diagram of a base of the electrodeless contactless operating switch in fig. 1.
Description of the reference numerals:
100-circuit board, 200-housing, 300-first control, 400-second control, 500-lever, 600(a, b) -hall sensor; x1-first axis, Y1-second axis;
210-an accommodating cavity, 221-a first acting cavity, 222-a second acting cavity, 230-an upper cover, 231-an operating round hole, 240-a base and 241-a circular groove;
310-a first elongated hole, 410-a second elongated hole, 301-a first control portion, 302(a, b) -a first pivot portion, 320-a first magnetic member, 321-an S-pole magnetic portion, 322-an N-pole magnetic portion, 401-a second control portion, 402(a, b) -a second pivot portion, 420-a second magnetic member;
510-lever, 520-elastic, 530-support, 540-third pivot portion;
700-a third control part, 710-a third long hole, 701-a third control part and 702-a bolt; 800-control switch.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
The terms "first," "second," and the like, herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means two or more unless otherwise specified.
Further, as used herein, the terms "upper," "lower," and the like are defined with respect to the orientation in which the structure is schematically disposed in the drawings, it is to be understood that these directional terms are relative concepts that are used for descriptive and clarifying purposes and that will vary accordingly with the orientation in which the structure is disposed.
Referring to fig. 1 to 3, an exemplary embodiment of the present disclosure provides a non-contact operation switch, including:
a circuit board 100, the circuit board 100 serving as a support base and providing circuit conduction;
the housing 200 is mounted on the circuit board 100, and an accommodating cavity 210 is arranged inside the housing 200;
the first control member 300 is provided with a first long hole 310, and the first control member 300 is rotatably arranged in the accommodating cavity 210 by taking a first axis X1 as a rotating axis;
the second control piece 400 is provided with a second long hole 410, and the second control piece 400 is rotatably arranged in the accommodating cavity 210 by taking a second shaft Y1 as a rotating shaft;
the operating rod 500 abuts against the inner bottom surface of the housing 200, passes through the first long hole 310 and the second long hole 410, protrudes out of the housing 200, and is used for controlling the rotation of the first control element 300 or the second control element 400 respectively;
two hall sensors 600(a, b), the hall sensors 600 being mounted to the circuit board 100;
wherein:
the first axis X1 is disposed orthogonally to the second axis Y1, the first control member 300 is disposed above the second control member 400, and the first control member 300 and the second control member 400 do not interfere with each other in terms of movement;
the first control element 300 comprises a first control part 301 and two first pivot parts 302, wherein the two first pivot parts 302 are symmetrically arranged at two ends of the first control part 301 along the first axis X1; in the present embodiment, the axes of the two first pivot portions 302 coincide with the first axis X1.
The second control member 400 includes a second control portion 401 and two second pivot portions 402, the second pivot portions 402 are symmetrically disposed at one end of the second control portion 401 along the second axis Y1; in the present embodiment, the axes of the two second pivot portions 402 coincide with the second axis Y1.
The first pivot portion 302 is fixedly provided with an annular first magnetic member 320, and the first control member 300 drives the first magnetic member 320 to rotate synchronously when rotating; the second pivot portion 402 is fixedly provided with an annular second magnetic member 420, and the second control member 400 drives the second magnetic member 420 to rotate synchronously when rotating;
the two hall sensors 600 are respectively disposed adjacent to the first magnetic member 320 and the second magnetic member 420, and the hall sensors 600 are coupled to the first magnetic member 320 or the second magnetic member 420 to sense a rotation change of the first magnetic member 320 or the second magnetic member 420. Specifically, one hall sensor 600a is disposed adjacent to the first magnetic member 320, and the other hall sensor 600b is disposed adjacent to the first magnetic member 420.
In the present embodiment, as shown in fig. 5, the first magnetic member 320 includes a semi-annular S-pole magnetic part 321 and a semi-annular N-pole magnetic part 322 that are symmetrically disposed; the second magnetic member 420 has a structure identical to that of the first magnetic member 320, and includes a semi-annular S-pole magnetic portion 321 and a semi-annular N-pole magnetic portion 322, which are symmetrically disposed.
In this embodiment, referring to fig. 2 and fig. 3, the first control portion 301 is an arc-shaped bar structure, two first pivot portions 302(a, b) are symmetrically disposed at two ends of the arc-shaped bar structure, and the first long hole 310 is disposed in the middle of the arc-shaped bar structure; wherein a long centerline projection of the first long hole 310 coincides with the first axis X1.
The second control portion 401 is a square structure, two ends of the square structure are respectively provided with a second pivot portion 402(a, b), and the second long hole 410 is provided in the middle of the square structure; wherein the long centerline projection of the second slot 410 coincides with the second axis Y1. In other embodiments, the second control portion 401 may have other shapes such as a circle, an ellipse, and an irregularity.
In this embodiment, the electrodeless contactless operation switch further comprises a third control element 700, and the third control element 700 and the second control element 400 are nested and movably arranged; the third control part 700 is provided with a third long hole 710 and a third control part 701, the third long hole 710 is engaged with the second long hole 410, and the third control part 701 partially penetrates the housing 200 along the second axis Y1.
As shown in fig. 3, the main body of the third control 700 is a square structure, and the main body of the third control 700 is embedded into the second long hole 410. The third long hole 710 is provided in the middle of the third control member 700, and is fitted into the second long hole 410. The third control part 701 is disposed at one end of the main body of the third control part 700 and extends out of the housing 200, and the other end of the main body of the third control part 700 is hinged to the second control part 400 through a pin 702, so that the third control part 700 can rotate around the pin 702.
The electrodeless contactless operating switch further includes a control switch 800, the control switch 800 is disposed on the circuit board 100, the control switch 800 is coupled with the third control part 701, and the third control part 701 is configured to trigger the control switch 800.
In this embodiment, the control switch 800 is a touch switch, the touch switch includes a trigger mechanism, and the third control part 701 is located at an action position of the trigger mechanism to implement trigger control on the touch switch. As shown in fig. 2, the third control part 701 extends from the housing 200 to above the control switch 800.
Referring to fig. 3, in the present embodiment, the operating rod 500 includes a control handle 510, an elastic member 520 and a support member 530, wherein an open cavity is formed at a lower end of the control handle 510, the elastic member 520 is accommodated in the open cavity, and a portion of the support member 530 extends into the open cavity; the elastic member 520 abuts against the support 530 and the control handle 510, respectively, to provide elastic restoring force; the lower end of the control handle 510 is provided with a third pivot portion 540, and the third pivot portion 540 is rotatably connected to the third control member 700 to drive the third control member 700 to rotate around the bolt 702, so as to drive the third control portion 701 to move downwards, thereby triggering the control switch 800. In this embodiment, the elastic member 520 is a spring, and in other embodiments, the elastic member 520 may be an elastic gel, a spring, an elastic airbag, or the like.
In this embodiment, when the second control member 400 is engaged with the third control member 700, the control handle 510 is inserted through the third long hole 710 and the first long hole 310. As shown in fig. 2 and 4, the length of the short middle line of the first long hole 310 is slightly greater than the diameter of the control handle 510, and the control handle 510 has a free gap with the first long hole 310, so that the control handle 510 can move along the long middle line of the first long hole 310 and the inner edge of the short middle line of the first long hole 310 does not generate friction limitation on the movement of the control handle 510. Similarly, the length of the short middle line of the third long hole 710 is slightly larger than the diameter of the control handle 510, and the control handle 510 and the third long hole 710 have a free gap, so that the control handle 510 can move along the long middle line of the third long hole 710 and the short middle line inner edge of the third long hole 710 does not generate friction limitation on the movement of the control handle 510.
In this embodiment, the housing 200 is provided with a first acting cavity 221 for accommodating the first magnetic member 320, and a gap is provided between an inner surface of the first acting cavity 221 and a surface of the first magnetic member 320, so as to realize rotation of the first magnetic member 320; a first acting hole is formed in one side, facing to the adjacent hall sensor 600, of the first acting cavity 221;
the housing 200 is provided with a second acting cavity 222 for accommodating the second magnetic member 420, and a gap is provided between the inner surface of the second acting cavity 222 and the surface of the second magnetic member 420, so as to realize the rotation of the second magnetic member 420; a second acting hole is formed in one side of the second acting cavity 222, which faces to the adjacent hall sensor 600.
Specifically, the housing 200 is composed of an upper cover 230 and a base 240, and both the upper cover 230 and the base 240 are provided with accommodating spaces, and the two accommodating spaces are combined to form an accommodating cavity 210.
The upper cover 230 is provided with an operation round hole 231, the diameter of the operation round hole 231 is greater than the outer diameter of the operation rod 500, the operation rod 500 penetrates through the operation round hole 231, and the operation round hole 231 is used for providing and limiting the moving area of the operation rod 500.
As shown in fig. 6, the central portion of the base 240 is provided with a circular groove 241 for abutting against the operating lever 500, facilitating the rotating operation of the operating lever 500.
The operation mechanism of the electrodeless contactless operation switch in the embodiment is as follows:
the operating rod 500 uses the circular groove 241 as a swinging lower contact surface, uses the rotating shaft formed by the shafts 302a and 302b or the rotating shaft formed by the shafts 402a and 402b as a rotating fulcrum, can realize stepless swinging within the range of the operating circular hole 231, drives the first control element 300 or the second control element 400 to rotate, and the hall sensor 600 senses the rotation of the first magnetic element 320 or the first magnetic element 320, so as to output a change signal and achieve stepless control signal output.
In addition, by being connected to the third control element 700, when the operating lever 500 is pressed down, the third control element 700 can be driven to rotate slightly downward around the latch 702, so as to realize the press control of the tact switch.
The application has at least one of the following advantages:
(1) according to the first magnetic part and the second magnetic part of the implementation mode, the uniform distribution of the operating magnetic field can be realized through the symmetrical design of the magnet structure, so that the Hall effect presents sinusoidal change, and the precision of a switch product is improved.
(2) The first control piece can provide an unobstructed moving space for the first control part through the design of the arc-shaped strip-shaped structure, and the non-contact operation effect is realized
(3) The first control part, the second control part and the third control part do not move and interfere with each other, so that the functions of the product are independent and do not interfere with each other, and the controllability of the product is facilitated.
(4) The electrodeless contactless operation switch has no risk of non-conduction or unstable conduction by detecting the change of the magnetic field of the magnet, and has no relative friction in the whole process, long service life and good operation experience.
The electrodeless contactless operation switch provided by the embodiment of the present application is described in detail above, and the principle and the embodiment of the present application are explained by applying specific examples, and the above description is only used to help understanding the method and the core mechanism of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. An electrodeless contactless operating switch, comprising:
the circuit board is used as a supporting base and is used for providing circuit conduction;
the shell is mounted on the circuit board, and an accommodating cavity is formed in the shell;
the first control piece is provided with a first long hole, and the first control piece is rotatably arranged in the accommodating cavity by taking a first shaft as a rotating shaft;
the second control piece is provided with a second long hole and is rotatably arranged in the accommodating cavity by taking a second shaft as a rotating shaft;
the operating rod is abutted against the inner bottom surface of the shell, passes through the first long hole and the second long hole, protrudes out of the shell and is used for controlling the rotation of the first control piece or the second control piece respectively;
at least one Hall sensor mounted to the circuit board;
wherein:
the first shaft is arranged orthogonally to the second shaft, the first control piece is arranged above the second control piece, and the first control piece and the second control piece do not interfere with each other in movement;
the first control piece comprises a first control part and two first pivot parts, and the two first pivot parts are respectively arranged at two ends of the first control part along the first shaft;
the second control piece comprises a second control part and at least one second pivot part, and the second pivot part is arranged at one end of the second control part along the second shaft;
the first pivot part is fixedly provided with at least one annular first magnetic piece, and the first control piece drives the first magnetic piece to synchronously rotate when rotating; the second pivot part is fixedly provided with at least one annular second magnetic part, and the second control part drives the second magnetic part to synchronously rotate when rotating;
the Hall sensor is arranged at a position adjacent to the first magnetic part and/or the second magnetic part and coupled with the first magnetic part or the second magnetic part so as to sense the rotation change of the first magnetic part or the second magnetic part.
2. Electrodeless contactless operating switch as claimed in claim 1, characterized in that: the first magnetic part comprises a semi-annular S-pole magnetic part and a semi-annular N-pole magnetic part which are symmetrically arranged; the second magnetic parts comprise semi-annular S-pole magnetic parts and semi-annular N-pole magnetic parts which are symmetrically arranged.
3. The electrodeless contactless operating switch as claimed in claim 1, wherein the first control portion is an arc-shaped bar structure, the two first pivot portions are respectively disposed at two ends of the arc-shaped bar structure, and the first long hole is disposed at a middle portion of the arc-shaped bar structure.
4. The electrodeless touch operated switch as claimed in claim 1, wherein the second control portion is a square structure, the two ends of the square structure are respectively provided with a second pivot portion, and the second long hole is provided with a middle portion of the square structure.
5. The electrodeless touch operated switch as recited in claim 4, further comprising a third control member nested with the second control member; the third control part is provided with a third long hole and a third control part, the third long hole is embedded with the second long hole, and the third control part partially penetrates out of the shell along the second axis direction.
6. An electrodeless contactless operating switch as claimed in claim 5, further comprising a control switch disposed on the circuit board and coupled to the third control portion, wherein the third control portion is configured to trigger the control switch.
7. The electrodeless contactless operating switch as claimed in claim 6, wherein the control switch is a tact switch, the tact switch includes a trigger mechanism, and the third control portion is located at an action position of the trigger mechanism to realize trigger control of the tact switch.
8. The electrodeless non-contact operating switch as claimed in claim 7, wherein the operating rod comprises a control handle, an elastic member and a supporting member, the lower end of the control handle is provided with an open cavity, the elastic member is accommodated in the open cavity, and the supporting member partially extends into the open cavity; the elastic piece is respectively abutted against the support piece and the control handle so as to provide elastic restoring force; the lower end of the control handle is provided with a third pivot part which is rotationally connected with the second control part or the third control part so as to drive the second control part or the third control part to move.
9. The electrodeless contactless operating switch as claimed in claim 1, wherein the housing is provided with a first acting cavity for accommodating the first magnetic member, and a gap is provided between an inner surface of the first acting cavity and a surface of the first magnetic member to realize rotation of the first magnetic member; a first action hole is formed in one side, facing the adjacent Hall sensor, of the first action cavity;
the shell is provided with a second action cavity for accommodating the second magnetic piece, and a gap is formed between the inner surface of the second action cavity and the surface of the second magnetic piece so as to realize the rotation of the second magnetic piece; and a second action hole is formed in one side, facing the adjacent Hall sensor, of the second action cavity.
10. The electrodeless contactless operating switch of claim 1, wherein the housing is composed of an upper cover and a base, the upper cover is provided with an operating circular hole, the diameter of the operating circular hole is larger than the outer diameter of the operating rod, the operating rod penetrates through the operating circular hole, and the operating circular hole is used for providing and limiting the moving area of the operating rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518036.9U CN217035505U (en) | 2022-03-09 | 2022-03-09 | Electrodeless contactless operating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518036.9U CN217035505U (en) | 2022-03-09 | 2022-03-09 | Electrodeless contactless operating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217035505U true CN217035505U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220518036.9U Active CN217035505U (en) | 2022-03-09 | 2022-03-09 | Electrodeless contactless operating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217035505U (en) |
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2022
- 2022-03-09 CN CN202220518036.9U patent/CN217035505U/en active Active
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