CN213547480U

CN213547480U - Position detecting proximity switch

Info

Publication number: CN213547480U
Application number: CN202022684710.4U
Authority: CN
Inventors: 谷岸江
Original assignee: Dongguan Autonics Electronics Co ltd
Current assignee: Dongguan Autonics Electronics Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-06-25
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a position detection proximity switch, which comprises a central control component and a detection component; the central control assembly comprises a circuit board and a cable connected with the circuit board; the number of the detection assemblies is at least two, and the detection assemblies are arranged on one side of the circuit board at intervals; the detection assembly comprises a connection block connected with the circuit board, a mounting seat connected with the connection block, a fixing frame connected with the mounting seat and an induction coil; the mounting seat comprises a plugging part and an embedding part which are connected with the connecting block, the plugging part is covered outside the connecting block, and the induction coil is electrically connected with the circuit board through the connecting block. Above-mentioned position detection proximity switch through setting up two at least determine module, guarantees to respond to external device simultaneously through a plurality of induction coils that the interval set up, and then corresponds the distance of judging external device each induction coil relatively through the size to the induction signal that produces in each induction coil, realizes the definite to the concrete position of external device, improves the adaptability of using.

Description

Position detecting proximity switch

Technical Field

The utility model relates to a detect technical field, especially relate to position detection proximity switch.

Background

The proximity switch is a position switch which can be operated without mechanical direct contact with a moving part, and when the sensing surface of the object proximity switch reaches the action distance, the switch can be actuated without mechanical contact and any pressure, so that a direct current electric appliance is driven or a control instruction is provided for a computer device. The proximity switch is a switch type sensor, has the characteristics of a travel switch and a microswitch, has sensing performance, reliable action, stable performance, quick frequency response, long service life, strong anti-interference capability and the like, and has the characteristics of water resistance, shock resistance, corrosion resistance and the like.

The inside induction coil that is provided with of current proximity switch, can produce inductive signal in induction coil when external device is close induction coil, and then enlargies through the filtration to inductive signal, can discern the action that external device is close induction coil, but current proximity switch can't realize detecting the discernment to the concrete position of external device, uses adaptability poor.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide a position detecting proximity switch for addressing the problem that a specific position cannot be detected.

A position sensing proximity switch, comprising:

the central control assembly comprises a circuit board and a cable connected with the circuit board; and

the detection assemblies are connected with the central control assembly, the number of the detection assemblies is at least two, and the detection assemblies are arranged on one side of the circuit board at intervals; the detection assembly comprises a connection block connected with the circuit board, a mounting seat connected with the connection block, a fixing frame connected with the mounting seat and an induction coil connected with the fixing frame; the mounting seat comprises a plug-in part connected with the connecting block and an embedding part connected with the plug-in part, the plug-in part covers the outer side of the connecting block, and the induction coil is electrically connected with the circuit board through the connecting block.

The position detection proximity switch is provided with at least two detection components, so that a plurality of induction coils arranged at intervals can be used for simultaneously inducing an external device, and the distance between the external device and each induction coil is correspondingly judged according to the size of an induction signal generated in each induction coil, so that the specific position of the external device is determined, and the use adaptability is improved; through the connecting structure of the connecting block and the mounting seat, the induction coil is convenient to repair and replace, and then later maintenance cost is reduced.

In one embodiment, the connecting block is arranged in a rectangular structure, the inserting part is arranged in a hollow rectangular structure, and the connecting block is inserted in the inserting part.

In one embodiment, the connecting block is provided with antennae which are arranged on two sides of the connecting block in a long strip shape, and the antennae are connected with the circuit board.

In one embodiment, the connection block is provided with a wiring hole, the wiring hole is arranged in a circular concave hole-shaped structure, and the wiring hole extends from one end, close to the mounting seat, of the connection block to the inside of the connection block.

In one embodiment, a terminal post is arranged in the insertion part, the terminal post is arranged in a cylindrical structure, and the terminal post is inserted in the terminal hole.

In one embodiment, a positioning block is arranged in the insertion part, and the positioning block is arranged on one side of the insertion part in a long strip shape; one side of the connecting block is provided with a positioning groove, and the positioning block is slidably arranged in the positioning groove.

In one embodiment, a clamping block is arranged in the insertion part, and the clamping block is arranged in an arc convex block structure; the connecting block is provided with a clamping hole which is in a circular concave hole-shaped structure, and the clamping block is correspondingly clamped in the clamping hole.

In one embodiment, the detection assemblies are arranged on the circuit board in a rectangular array, the number of the detection assemblies is sixteen, four rows of the detection assemblies are arranged, and four columns of the detection assemblies are arranged.

In one embodiment, the embedding portion is arranged in a hollow cylindrical structure, the fixing frame is embedded in the embedding portion, the cross section of the fixing frame is arranged in an I-shaped structure, and the induction coil is arranged around the outer side of the fixing frame.

In one embodiment, a column is arranged in the embedding part, the column is arranged in a cylindrical structure, and the column penetrates through the fixing frame.

Drawings

Fig. 1 is a schematic structural view of a position detection proximity switch according to an embodiment of the present invention;

FIG. 2 is an exploded view of the detection assembly of FIG. 1;

fig. 3 is a schematic structural view of the mounting base in fig. 2.

The reference numbers in the drawings have the meanings given below:

100. a position detecting proximity switch;

10. a central control component; 11. a circuit board; 15. a cable;

20. a detection component; 21. a joining block; 211. an antenna; 212. a wiring hole; 213. positioning a groove; 214. a clamping hole; 22. a mounting seat; 221. a plug-in part; 222. an embedding part; 225. a binding post; 226. positioning blocks; 227. a clamping block; 228. a column; 23. a fixed mount; 24. an induction coil.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 3, a position detecting proximity switch 100 according to an embodiment of the present invention includes a central control component 10 and a detecting component 20 connected to the central control component 10; the position detecting proximity switch 100 is used to accurately detect the operating position of an external device.

The central control assembly 10 comprises a circuit board 11 and a cable 15 connected with the circuit board 11; the circuit board 11 is arranged in a rectangular straight plate structure, and the circuit board 11 is used for receiving a detection signal induced by the detection component 20, so that the detection of the working position of an external device is realized; the cable 15 is arranged on one side of the circuit board 11, the cable 15 is electrically connected with the circuit board 11, and the cable 15 is used for being electrically connected with an external device so as to transmit a position signal of the external device to the outside, so that the accurate control of the working position of the external device is ensured.

This detecting component 20 is connected with well accuse subassembly 10, and detecting component 20's the quantity that sets up is at least two, and each detecting component 20 interval sets up in one side of circuit board 11, and this detecting component 20 is used for detecting external device's position, and then produces the intensity size of sensing signal through each detecting component 20, realizes the detection to external device operating position. In this embodiment, the detecting elements 20 are arranged on the circuit board 11 in a rectangular array, the number of the detecting elements 20 is sixteen, four rows of the detecting elements 20 are provided, and four columns of the detecting elements 20 are provided.

The detecting assembly 20 includes a connecting block 21 connected to the circuit board 11, a mounting base 22 connected to the connecting block 21, a fixing frame 23 connected to the mounting base 22, and an induction coil 24 connected to the fixing frame 23. The connecting block 21 is arranged in a rectangular structure, the connecting block 21 is arranged on one side of the circuit board 11, and the arrangement direction of the connecting block 21 is the same as that of the circuit board 11; in this embodiment, the connecting block 21 is provided with the antennas 211, the antennas 211 are arranged in a strip structure, the antennas 211 are arranged on two sides of the connecting block 21, the antennas 211 are connected with the circuit board 11, the antennas 211 are electrically connected with the circuit board 11, and the antennas 211 are arranged at intervals along the connecting block 21; furthermore, the number of the antenna 211 is six, three antennas 211 are correspondingly arranged on two sides of the connecting block 21, and the antennas 211 are arranged in parallel.

The mounting seat 22 comprises a plug part 221 connected with the connecting block 21 and a embedding part 222 connected with the plug part 221; the inserting part 221 is covered on the outer side of the connecting block 21, the inserting part 221 is arranged in a hollow rectangular structure, and the connecting block 21 is inserted in the inserting part 221; the embedding portion 222 is disposed in a hollow cylindrical structure, the embedding portion 222 is disposed on a side of the plug 221 away from the circuit board 11, and the embedding portion 222 extends along a direction perpendicular to the circuit board 11. In this embodiment, the connection block 21 is provided with a connection hole 212, and the connection portion 221 is provided with a connection post 225; the wiring hole 212 is arranged in a circular concave hole-shaped structure, the wiring hole 212 extends from one end of the connecting block 21 close to the mounting seat 22 to the inside of the connecting block 21, and the arrangement direction of the wiring hole 212 is perpendicular to the arrangement direction of the circuit board 11; the terminal 225 is disposed in a cylindrical structure, the terminal 225 is disposed in the insertion portion 221, the terminal 225 extends from the insertion portion 221 toward the connection block 21, and the terminal 225 is inserted into the connection hole 212 to electrically connect the mounting base 22 to the connection block 21. Furthermore, a positioning block 226 is arranged in the insertion part 221, the positioning block 226 is arranged in a strip shape, the positioning block 226 is arranged on the inner side of the insertion part 221, the positioning block 226 is arranged on one side of the insertion part 221, the arrangement direction of the positioning block 226 is perpendicular to the arrangement direction of the circuit board 11, and the cross section of the positioning block 226 is arranged in a semicircular structure; one side of the joining block 21 is provided with a positioning groove 213, the positioning groove 213 is in a long strip shape, the positioning groove 213 is arranged on one side of the joining block 21, the positioning groove 213 is recessed into the joining block 21 from one side of the joining block 21, the cross section of the positioning groove 213 is in a semicircular structure, the positioning block 226 is slidably arranged in the positioning groove 213, the positioning block 226 is matched with the positioning groove 213 to limit the inserting direction of the mounting seat 22 and the joining block 21, and then the mounting seat 22 is reversely inserted into the joining block 21. Furthermore, a latch 227 is arranged in the insertion part 221, the latch 227 is arranged in an arc convex block structure, the latches 227 are arranged on two sides of the insertion part 221, and the latches 227 on the two sides are respectively arranged in an opposite protruding manner from two sides of the insertion part 221; the connecting block 21 is provided with a clamping hole 214, the clamping hole 214 is in a circular concave hole structure, the clamping hole 214 is oppositely arranged at two sides of the connecting block 21, the clamping holes 214 at two sides extend oppositely from two sides of the connecting block 21, and the clamping block 227 is correspondingly clamped in the clamping hole 214 to improve the connection reliability of the mounting seat 22 and the connecting block 21.

The fixing frame 23 is embedded in the embedding part 222, the cross section of the fixing frame 23 is arranged in an I-shaped structure, and the fixing frame 23 and the circuit board 11 are arranged in the same direction; this induction coil 24 is cylindric structure setting, and induction coil 24 encircles the outside that sets up at mount 23, and this induction coil 24 is used for producing high frequency electromagnetic field to produce the induction signal in induction coil 24 when guaranteeing that external device is close induction coil 24, this induction coil 24 is connected with circuit board 11 electricity through linking piece 21, and mount 23 is used for fixing induction coil 24 in embedded part 222. In this embodiment, the pillar 228 is disposed in the embedding portion 222, the pillar 228 is disposed in a cylindrical structure, the pillar 228 extends in an elongated shape, the pillar 228 extends from the embedding portion 222 to a direction away from the circuit board 11, the direction of the pillar 228 is perpendicular to the direction of the circuit board 11, the pillar 228 correspondingly penetrates through the fixing frame 23, and the pillar 228 is used for positioning and mounting the fixing frame 23.

The position detection proximity switch 100 is provided with at least two detection assemblies 20, so that a plurality of induction coils 24 arranged at intervals can be used for simultaneously inducing an external device, and the distance between the external device and each induction coil 24 is correspondingly judged according to the magnitude of an induction signal generated in each induction coil 24, so that the specific position of the external device is determined, and the use adaptability is improved; through the connection structure who sets up linking piece 21 and mount pad 22, the maintenance of convenient induction coil 24 is changed, and then reduces the later maintenance cost.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A position sensing proximity switch, comprising:

2. The position detecting proximity switch according to claim 1, wherein the engagement block is provided in a rectangular structure, the insertion portion is provided in a hollow rectangular structure, and the engagement block is inserted into the insertion portion.

3. The position detecting proximity switch of claim 2, wherein the connecting block is provided with an antenna, the antenna is arranged in an elongated shape on both sides of the connecting block, and the antenna is connected with the circuit board.

4. The position detecting proximity switch of claim 2, wherein the connection block has a connection hole formed therein, the connection hole is formed in a circular concave hole structure, and the connection hole extends from an end of the connection block close to the mounting seat to an inside of the connection block.

5. The position detecting proximity switch of claim 4, wherein a terminal post is disposed in the insertion portion, the terminal post is disposed in a cylindrical configuration, and the terminal post is inserted into the terminal hole.

6. The position detecting proximity switch of claim 1, wherein a positioning block is disposed within the insertion portion, the positioning block being disposed in an elongated shape on one side of the insertion portion; one side of the connecting block is provided with a positioning groove, and the positioning block is slidably arranged in the positioning groove.

7. The position detecting proximity switch of claim 1, wherein a fixture block is disposed in the insertion portion, the fixture block being in the form of an arc-shaped convex block structure; the connecting block is provided with a clamping hole which is in a circular concave hole-shaped structure, and the clamping block is correspondingly clamped in the clamping hole.

8. The position detecting proximity switch of claim 1, wherein the detecting members are arranged on the circuit board in a rectangular array, the number of the detecting members is sixteen, four rows of the detecting members are provided, and four columns of the detecting members are provided.

9. The position detecting proximity switch according to claim 1, wherein the embedding portion is disposed in a hollow cylindrical structure, the fixing frame is embedded in the embedding portion, the cross section of the fixing frame is disposed in an i-shaped structure, and the induction coil is disposed around the outer side of the fixing frame.

10. The position detecting proximity switch of claim 9, wherein a post is disposed within the embedded portion, the post being disposed in a cylindrical configuration, the post penetrating the mounting bracket.