CN220401734U

CN220401734U - Touch switch structure and electrical equipment

Info

Publication number: CN220401734U
Application number: CN202321908641.8U
Authority: CN
Inventors: 陈龙扣; 桂登宇; 叶建成; 钱灯燚; 覃新琇
Original assignee: Shenzhen Baseus Technology Co Ltd
Current assignee: Shenzhen Baseus Technology Co Ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-01-26
Anticipated expiration: 2033-07-19

Abstract

The application discloses touch switch structure and electrical equipment belongs to electrical equipment technical field. The touch switch structure comprises a circuit board, touch keys and a touch elastic piece. The circuit board is provided with a first board surface and a second board surface, and the first board surface and the second board surface are arranged opposite to each other; the touch key is arranged on one side of the first plate surface far away from the second plate surface, and a space is reserved between the touch key and the first plate surface; one end of the touch elastic piece is arranged on the first plate surface and is electrically connected with the circuit board, and the other end of the touch elastic piece is abutted against one side of the touch key close to the first plate surface; wherein, the one side protrusion that touch button is close to first face is provided with the shielding post, and the shielding post has the accommodation chamber with touch elastic component looks adaptation, and the shielding post is close to first face setting. The touch switch structure that this application provided can prevent that interference circuit from interfering with influence touch elastic component for the engineer need not to keep away from contact circuit with the interference circuit that probably exists when the wiring, has effectively reduced the cost.

Description

Touch switch structure and electrical equipment

Technical Field

The application relates to the technical field of electrical equipment, in particular to a touch switch structure and electrical equipment.

Background

With the development of high-tech technologies, the touch key technology is gradually perfected, and the application of the touch key technology is about wider. The touch key technology mainly comprises a resistive touch key technology and a capacitive touch key technology, and in most application aspects, the capacitive touch key technology is mainly applied, and because the capacitive touch sensing technology can penetrate through an insulating material shell by more than 20mm, the effective touch of fingers can be accurately detected, and the stability and the sensitivity of products are ensured.

The existing capacitive touch key mainly comprises an induction panel, a touch panel and an induction piece, wherein the induction piece is arranged between the induction panel and the touch panel. The sensing piece in the existing capacitive touch key uses a touch spring, and the sensitivity of the touch spring is high, so that too much interference cannot exist, and in this case, an engineer generally keeps possibly existing interference circuits (such as high voltage, signal wires and the like) away from the contact circuits as far as possible during wiring, so that the cost is high.

Disclosure of Invention

In view of this, the object of the present application is to overcome the shortcomings in the prior art, and to provide a touch switch structure.

In order to solve the above technical problems, the present application provides:

a touch switch structure, comprising:

the circuit board is provided with a first board surface and a second board surface, and the first board surface and the second board surface are arranged opposite to each other;

the touch key is arranged on one side of the first plate surface far away from the second plate surface, and a space is reserved between the touch key and the first plate surface;

one end of the touch elastic piece is arranged on the first plate surface and is electrically connected with the circuit board, and the other end of the touch elastic piece is abutted against one side, close to the first plate surface, of the touch key;

the touch key is provided with a shielding column in a protruding mode on one side, close to the first plate surface, of the touch key, the shielding column is provided with an accommodating cavity matched with the touch elastic piece, and the shielding column is arranged close to the first plate surface.

In addition, the touch switch structure according to the application can also have the following additional technical characteristics:

in some embodiments of the present application, a space is provided between the shielding column and the first plate surface.

In some embodiments of the present application, the spacing between the shielding column and the first board surface is D, which satisfies: d is more than 0mm and less than or equal to 1mm.

In some embodiments of the present application, the shielding column abuts against the first plate surface.

In some embodiments of the present application, the touch elastic member is a touch spring or a touch shrapnel.

In some embodiments of the present application, the touch switch structure further includes a mounting, the mounting set up in one side of the first face is kept away from the second face, the shoulder hole has been seted up to the mounting inner periphery, touch button be close to one side of the first face with the step face looks butt in shoulder hole, the shielding post wears to locate the shoulder hole is close to the setting of first face.

In some embodiments of the present application, a clamping portion is disposed along an outer circumference of the shielding column, the clamping portion is disposed through the stepped hole and is clamped with one side, close to the first plate surface, of the mounting piece, the clamping portion is provided with a first guiding inclined plane, and a hole wall of the stepped hole is provided with a second guiding inclined plane adapted to the first guiding inclined plane.

In some embodiments of the present application, a support column is protruding to be provided on a side of the mounting piece, which is close to the first board surface, and the support column is abutted to the first board surface.

In some embodiments of the present application, the touch switch structure further includes a housing, the housing is close to one side protrusion of first face is provided with first erection column and second erection column, the installed part seted up with the first mounting hole of first erection column looks adaptation, the circuit board seted up with the second mounting hole of second erection column looks adaptation.

In addition, the application also provides electrical equipment, which comprises the touch switch structure in any embodiment.

Compared with the prior art, the beneficial effects of this application are:

the application provides a touch switch structure and electrical equipment, touch switch structure includes circuit board, touch button and touch elastic component, and the circuit board has relative first face and the second face that sets up, and touch button setting is kept away from one side of second face at first face, and has the interval between with first face. One end of the touch elastic piece is arranged on the first plate surface and is electrically connected with the circuit board, and the other end of the touch elastic piece is abutted against one side, close to the first plate surface, of the touch key so as to realize a touch sensing function of the touch switch structure. The shielding column close to the first board surface is arranged on one side of the touch key close to the first board surface in a protruding mode, and the shielding column is provided with the accommodating cavity matched with the touch elastic piece, so that the touch elastic piece is wrapped in the accommodating cavity of the shielding column, the shielding function of the touch elastic piece is achieved through the shielding column, the touch elastic piece is prevented from being affected by interference of an interference circuit, the anti-interference capability of the touch elastic piece is effectively improved, and an engineer is further enabled not to need to keep away from the contact circuit with the possibly existing interference circuit during wiring, so that cost is effectively reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a touch switch structure according to some embodiments of the present application;

FIG. 2 illustrates an exploded schematic view of a touch switch structure in some embodiments of the present application;

FIG. 3 illustrates a schematic cross-sectional view of a touch switch structure in some embodiments of the present application;

FIG. 4 illustrates another perspective view of a touch switch structure in some embodiments of the present application;

FIG. 5 illustrates yet another perspective view of a touch switch structure in some embodiments of the present application;

fig. 6 illustrates a perspective view of an electrical device in some embodiments of the present application.

Description of main reference numerals:

a 100-touch switch structure; 110-a circuit board; 111-a first panel; 112-a second panel; 113-a second mounting hole; 120-touching keys; 121-shielding columns; 1211-a receiving chamber; 1212-a clamping portion; 12121-a first guiding ramp; 130-mounting; 131-a stepped hole; 1311—a step surface; 1312-a second guide ramp; 132-support columns; 133-a first mounting hole; 140-a housing; 141-a first mounting post; 142-a second mounting post; 1000-electrical equipment.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Example 1

As shown in fig. 1 and 2, embodiments of the present application provide a touch switch structure 100, which is mainly applied to an electrical apparatus 1000. The touch switch structure 100 includes a circuit board 110, touch keys 120, and touch elastic members.

The circuit board 110 has a first board surface 111 and a second board surface 112, and the first board surface 111 is disposed opposite to the second board surface 112. The touch key 120 is disposed on a side of the first board 111 away from the second board 112, and has a space with the first board 111. One end of the touch elastic member is disposed on the first plate 111 and electrically connected to the circuit board 110, and the other end of the touch elastic member abuts against one side of the touch key 120, which is close to the first plate 111.

Referring to fig. 3, a shielding column 121 is disposed on a side of the touch key 120, which is close to the first board 111, in a protruding manner, the shielding column 121 has a receiving cavity 1211 adapted to the touch elastic member, and the shielding column 121 is disposed close to the first board 111.

According to the touch switch structure 100 provided by the embodiment of the application, one end of the touch elastic piece is arranged on the first plate surface 111 and is electrically connected with the circuit board 110, and the other end of the touch elastic piece is abutted against one side, close to the first plate surface 111, of the touch key 120, so that a touch sensing function of the touch switch structure 100 is realized.

Through the shielding post 121 that is close to first face 111 is protruding to be set up in one side that touch button 120 is close to first face 111, and shielding post 121 have hold chamber 1211 with touch elastic component looks adaptation, make touch elastic component by wrap up in holding chamber 1211 of shielding post 121 like this, in order to utilize shielding post 121 to realize the shielding function to touch elastic component, thereby prevent that interference circuit from disturbing influence touch elastic component, effectively promoted touch elastic component's interference killing feature and sensitivity, and then make the engineer need not to keep away from the contact circuit with the interference circuit that probably exists when the wiring, effectively reduced the cost.

The touch switch structure 100 that this application provided adopts the mode of physical parcel to shield the space interference of touch elastic component, prevents strictly that external interference, not only can reduce touch interference like this, can also promote sensitivity to promote user's use experience and feel, simultaneously, can also reduce shielding copper line and device on circuit board 110 in the design process of circuit board 110, effectively reduce cost.

As shown in fig. 3, in an embodiment of the present application, optionally, a space is provided between the shielding pillar 121 and the first plate 111.

In the present embodiment, a space is provided between the shielding pillar 121 and the first board 111 of the circuit board 110, so as to avoid the problem that the shielding pillar 121 interferes or presses with the circuit board 110 during the installation or use, resulting in damage to the circuit board 110.

As shown in fig. 3, in the foregoing embodiment of the present application, optionally, a distance between the shielding pillar 121 and the first plate surface 111 is D, which satisfies: d is more than 0mm and less than or equal to 1mm.

In this embodiment, the distance D between the shielding post 121 and the first board 111 of the circuit board 110 is controlled to be in the range of 0mm to 1mm, so that the distance D between the shielding post 121 and the first board 111 of the circuit board 110 is smaller, interference or extrusion between the shielding post 121 and the circuit board 110 during installation or use can be avoided, and meanwhile, the touch elastic member can be wrapped as much as possible, so that the space interference of the touch elastic member can be shielded as much as possible.

In one embodiment of the present application, optionally, the shielding pillar 121 abuts against the first plate surface 111.

In the present embodiment, the shielding posts 121 are disposed to contact the first plate surface 111 of the circuit board 110, so that the touch elastic member can be maximally wrapped, and the spatial interference of the touch elastic member can be maximally shielded.

In one embodiment of the present application, optionally, the touch elastic member is a touch spring or a touch shrapnel. The touch spring is a special spring key special for capacitive and single-chip microcomputer touch screen electric appliances, is also called a touch sensing spring, a key spring and a contact spring, has higher sensitivity, and adopts materials such as a carbon steel wire, a low-carbon steel wire, a high-carbon steel wire, a manganese steel wire, a nickel wire, a 60SizMNA, a stainless steel wire for the spring and the like.

As shown in fig. 1, 2 and 3, in an embodiment of the present application, optionally, the touch switch structure 100 further includes a mounting member 130, the mounting member 130 is disposed on a side of the first board 111 away from the second board 112, a stepped hole 131 is formed in an inner periphery of the mounting member 130, a side of the touch key 120, which is close to the first board 111, is abutted against a stepped surface 1311 of the stepped hole 131, and the shielding column 121 is disposed through the stepped hole 131, which is close to the first board 111. Accordingly, the mounting member 130 is used to realize a function of firmly mounting the touch key 120, so that the problem that the touch key 120 moves towards the direction close to the first board surface 111 to interfere with the circuit board 110 is avoided.

As shown in fig. 1, 2 and 3, in the above embodiment of the present application, optionally, a clamping portion 1212 is disposed along the outer circumference of the shielding column 121, the clamping portion 1212 is disposed through the stepped hole 131 and is clamped to a side of the mounting member 130 near the first plate surface 111, the clamping portion 1212 has a first guiding inclined surface 12121, and a hole wall of the stepped hole 131 has a second guiding inclined surface 1312 adapted to the first guiding inclined surface 12121.

In this embodiment, the clamping portion 1212 is disposed on the outer circumference of the shielding column 121, and the clamping portion 1212 can be inserted into the stepped hole 131 and clamped to one side of the mounting member 130 close to the first board 111, so that the problem that the touch key 120 falls off due to the movement of the touch key 120 in a direction away from the first board 111 can be avoided, and thus the installation stability of the touch key 120 is further improved, and further the touch sensing function of the touch switch structure 100 is ensured.

The first guiding inclined surface 12121 is arranged on the clamping portion 1212, and the second guiding inclined surface 1312 matched with the first guiding inclined surface 12121 is arranged on the hole wall of the stepped hole 131 so as to play a guiding role, so that the clamping portion 1212 is favorable for penetrating through the stepped hole 131 and being clamped with one side, close to the first plate surface 111, of the mounting piece 130 in the mounting process.

For example, the number of the clamping portions 1212 may be one, two or more, the number of the second guide inclined planes 1312 is set corresponding to the number of the clamping portions 1212, and the two or more clamping portions 1212 are spaced apart along the outer circumference of the shielding column 121, so as to further improve the clamping stability and balance, thereby further improving the installation stability of the touch key 120.

As shown in fig. 1 and 2, in the above embodiment of the present application, optionally, a support column 132 is convexly disposed on a side of the mounting member 130 near the first plate 111, and the support column 132 abuts against the first plate 111.

In the present embodiment, the support column 132 abutting against the first plate surface 111 is provided to protrude from the side of the mount 130 close to the first plate surface 111, so as to support the mount 130, thereby preventing the mount 130 from falling off the case 140.

For example, the number of the support columns 132 may be set to be plural, and the plurality of support columns 132 may be disposed at intervals to enhance the support stability of the mounting member 130.

As shown in fig. 4 and 5, in the foregoing embodiment of the present application, optionally, the touch switch structure 100 further includes a housing 140, a first mounting post 141 and a second mounting post 142 are protruding from a side of the housing 140, which is close to the first board surface 111, the mounting member 130 is provided with a first mounting hole 133 adapted to the first mounting post 141, and the circuit board 110 is provided with a second mounting hole 113 adapted to the second mounting post 142.

In this embodiment, the first mounting post 141 and the second mounting post 142 are protruded on the side of the casing 140 near the first board 111, and the first mounting hole 133 adapted to the first mounting post 141 is formed on the mounting member 130, so as to realize the function of firmly mounting the mounting member 130 on the casing 140, and meanwhile, the second mounting hole 113 adapted to the second mounting post 142 is formed on the circuit board 110, so as to realize the function of firmly mounting the circuit board 110 on the casing 140.

For example, the first and second mounting posts 141 and 142 may each be a heat-fusible post, and the mounting member 130 and the circuit board 110 are firmly mounted on the case 140 by heat-fusing, respectively. Of course, the first mounting posts 141 and the second mounting posts 142 may also be screw posts, and the mounting member 130 and the circuit board 110 are firmly mounted on the housing 140 by locking screws respectively.

Example two

As shown in fig. 6, in a second embodiment of the present application, there is further provided an electrical apparatus 1000 including the touch switch structure 100 described in any of the first embodiments.

The electrical equipment 1000 may be a socket, an electromagnetic oven, an optical wave oven, an electric baking pan, a sterilizing cabinet, a range hood, a water heater, a warm air blower, a vegetable washer, a banknote counter, a massager, an electric oven, an electronic wine cabinet, a water dispenser, a mobile phone, a computer, etc.

The electrical apparatus 1000 has the touch switch structure 100 described in the first embodiment, so that all the advantages of the touch switch structure 100 described in the first embodiment are not described herein.

To sum up, the present application provides a touch switch structure 100 and an electrical apparatus 1000, wherein the touch switch structure 100 includes a circuit board 110, a touch key 120 and a touch elastic member, the circuit board 110 has a first board surface 111 and a second board surface 112 that are disposed opposite to each other, the touch key 120 is disposed on a side of the first board surface 111 away from the second board surface 112, and a space is provided between the touch key and the first board surface 111. One end of the touch elastic member is disposed on the first board 111 and is electrically connected to the circuit board 110, and the other end of the touch elastic member abuts against one side of the touch key 120 close to the first board 111, so as to implement a touch sensing function of the touch switch structure 100. Through the shielding post 121 that is close to first face 111 is protruding to be set up in one side that touch button 120 is close to first face 111, and shielding post 121 have hold chamber 1211 with touch elastic component looks adaptation, make touch elastic component by wrap up in holding chamber 1211 of shielding post 121 like this, in order to utilize shielding post 121 to realize the shielding function to dry touch elastic component, thereby prevent that interference circuit from disturbing the touch elastic component, effectively promoted the interference killing feature of touch elastic component, and then make the engineer need not to keep away from the contact circuit with the interference circuit that probably exists when the wiring, effectively reduced the cost.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims

1. A touch switch structure, characterized in that it includes:

A circuit board having a first board surface and a second board surface, the first board surface and the second board surface being arranged oppositely;

A touch button is provided on a side of the first board surface away from the second board surface, and has a distance from the first board surface;

Touch elastic member, one end of the touch elastic member is disposed on the first board surface and is electrically connected to the circuit board, and the other end is in contact with the side of the touch button close to the first board surface ;

Wherein, a shielding column is protruding from a side of the touch button close to the first board surface, the shielding column has an accommodation cavity adapted to the touch elastic member, and the shielding column is close to the first panel. Board settings.

2. The touch switch structure according to claim 1, wherein there is a gap between the shielding column and the first board surface.

3. The touch switch structure according to claim 2, characterized in that the distance between the shielding column and the first board surface is D, satisfying: 0mm<D≤1mm.

4. The touch switch structure according to claim 1, wherein the shielding column is in contact with the first plate surface.

5. The touch switch structure according to claim 1, wherein the touch elastic member is a touch spring or a touch elastic piece.

6. The touch switch structure according to any one of claims 1 to 5, characterized in that the touch switch structure further includes a mounting piece, the mounting piece is disposed on the first plate surface away from the second On one side of the board, a step hole is provided on the inner periphery of the mounting member. The side of the touch button close to the first board surface is in contact with the stepped surface of the step hole. The shielding column is inserted through the step hole. The stepped hole is arranged close to the first plate surface.

7. The touch switch structure according to claim 6, wherein a snap-in portion is provided along the outer circumferential direction of the shielding column, and the snap-in portion passes through the step hole and is close to the mounting member. One side of the first plate surface is engaged with each other, the engaging portion has a first guide slope, and the hole wall of the stepped hole has a second guide slope that matches the first guide slope.

8. The touch switch structure according to claim 6, wherein a support pillar is protruding from a side of the mounting member close to the first board surface, and the support post is against the first board surface. catch.

9. The touch switch structure according to claim 6, wherein the touch switch structure further includes a housing, and a first mounting post and a first mounting post are protrudingly provided on one side of the housing close to the first board surface. The second mounting post is provided with a first mounting hole matching the first mounting post on the mounting piece, and the second mounting hole is formed on the circuit board matching the second mounting post.

10. An electrical device, characterized by comprising the touch switch structure according to any one of claims 1 to 9.