CN213691835U - Pressure induction membrane switch - Google Patents
Pressure induction membrane switch Download PDFInfo
- Publication number
- CN213691835U CN213691835U CN202020291225.8U CN202020291225U CN213691835U CN 213691835 U CN213691835 U CN 213691835U CN 202020291225 U CN202020291225 U CN 202020291225U CN 213691835 U CN213691835 U CN 213691835U
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- CN
- China
- Prior art keywords
- membrane switch
- lead
- piece
- forced induction
- conducting wire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a forced induction membrane switch sets up on using electrical apparatus and is connected with the control circuit board electricity with electrical apparatus, including from top to bottom according to the preface setting and the panel of bonding each other, circuit piece and gum piece, be provided with the conducting wire on this circuit piece, this conducting wire includes double-phase to setting up and there is the lead wire in clearance relatively, and the one end of two leads wire is respectively relative outside extension formation output, the output and the control circuit board electric connection of two leads wire, this panel has forced induction carbon oil layer towards the one side cover of circuit piece, has the gap between this forced induction carbon oil layer and the conducting wire. The utility model discloses forced induction membrane switch covers through the panel towards the one side of circuit piece has the forced induction carbon oil reservoir that has the gap with the conducting wire, and simultaneously, the conducting wire includes that the lead wire of two relative settings acquires corresponding resistance information in order to press according to the pressure of pressing, realizes improving user experience, simple structure according to the different functions of electrical apparatus difference for different pressure control.
Description
Technical Field
The utility model relates to an electronic switch technical field especially relates to a forced induction membrane switch.
Background
The membrane switch is driven by a circuit board made of PET resin or similar composite materials, the existing membrane switch can only realize the opening and closing functions according to pressing, a plurality of keys are arranged, and each corresponding key is provided with a different circuit matrix to correspondingly transmit signals, so that different functions are controlled, and the circuits and the structure are complex.
In view of this, it is necessary to provide a pressure-sensitive membrane switch with a simple structure, which can solve the above-mentioned drawbacks, so as to control different functions of the electrical appliance through different pressures, thereby improving user experience.
Disclosure of Invention
The utility model aims to solve the technical problem that a simple structure's forced induction membrane switch improves user experience with the different functions of electrical apparatus of the different controls through pressure.
In order to solve the technical problem, the utility model discloses a as follows technical scheme: the utility model provides a forced induction membrane switch, sets up on using electrical apparatus and is connected with the control circuit board electricity with electrical apparatus, forced induction membrane switch is including from top to bottom according to the preface setting and mutual adhesive panel, circuit piece and back of the body film, be provided with the conducting wire on the circuit piece, the conducting wire includes the lead wire of two relative settings, is formed with the clearance between two lead wires, and the one end of two lead wires outwards extends respectively and forms the output, two the output and the control circuit board electricity of lead wire are connected, the panel has forced induction carbon oil layer towards the one side cover of circuit piece, there is the gap between forced induction carbon oil layer and the conducting wire.
The further technical scheme is as follows: and a piece surface adhesive layer is arranged between the panel and the circuit piece.
The further technical scheme is as follows: the interlayer sheet surface adhesive layer is arranged along the edge of the circuit sheet and is of a main body hollow structure, so that the conductive circuit is positioned in the hollow.
The further technical scheme is as follows: one side of the circuit sheet extends outwards to form a lead sheet for leading out the output ends of the two leads.
The further technical scheme is as follows: one end of the lead sheet is electrically connected with a connector in a pressing mode.
The further technical scheme is as follows: the connector comprises an end sleeve and metal terminals which are arranged in the end sleeve and respectively correspond to the output ends of the leads and are connected with the output ends of the leads.
The further technical scheme is as follows: each lead comprises a body extending in a linear shape and a plurality of branches extending from the body to the other lead, and the branches of one lead and the branches of the other lead are alternately arranged at intervals respectively.
The further technical scheme is as follows: the panel is a transparent PET film.
The further technical scheme is as follows: the thickness of the panel is 100 um.
The further technical scheme is as follows: the back film is a double-sided adhesive tape.
The utility model has the advantages of: pressure-sensitive membrane switch is through setting up the conducting wire on the circuit piece, and this conducting wire includes the lead wire of two relative settings, has the clearance between the lead wire, and the output of lead wire is connected with control circuit board electricity respectively to one side in the panel towards the circuit piece covers there is the forced induction carbon oil layer, has the gap between forced induction carbon oil layer and the conducting wire, with pressing during the pressure-sensitive membrane switch, the lead wire that corresponds switches on, and can acquire corresponding resistance information according to pressing pressure, realizes the control with electrical apparatus different functions, is favorable to improving user experience, simultaneously, simple structure, and the circuit is simple, practices thrift manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of a pressure-sensitive membrane switch of the present invention;
fig. 2 is an exploded schematic view of the pressure-sensitive membrane switch of the present invention;
fig. 3 is a front view of the circuit board of the pressure sensitive membrane switch of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1 to 3, in the present embodiment, the pressure-sensitive membrane switch 10 is configured to be disposed on an electrical appliance to control the operation of the electrical appliance, and the pressure-sensitive membrane switch 10 is electrically connected to a control circuit board of the electrical appliance to control the electrical appliance. The electrical appliance comprises household appliances or medical equipment and other equipment needing on-off control.
Pressure-sensitive membrane switch 10 is including setting up according to the preface and bonding panel 110, circuit piece 120 and gum piece 130 each other from top to bottom, be provided with conducting wire 121 on the circuit piece 120, conducting wire 121 includes the lead wire 122 of two relative settings, is formed with the clearance between two lead wires 122, and the one end of two lead wires 122 is formed with output 1221, two relatively outwards extending respectively the output 1221 of lead wire 122 all is connected with the control circuit board electricity with electrical apparatus, panel 110 covers the one side towards circuit piece 120 has pressure-sensitive carbon oil layer 111, there is the gap between pressure-sensitive carbon oil layer 111 and the conducting wire 121. The pressure-sensitive carbon oil layer 111 may be a carbon oil layer in the prior art, such as a high resistance carbon oil layer or a low resistance carbon oil layer disclosed in a resistance-type thin-film pressure sensor disclosed in chinese patent publication No. CN209085808U, which is not described herein. The conductive traces 121 may be made of conductive silver paste traces.
Through set up conducting wire 121 on circuit piece 120, and this conducting wire 121 includes two lead wires 122 that set up relatively, there is the clearance between two lead wires 122, and the output of two lead wires 122 is connected with control circuit board electricity respectively, and the one side that faces circuit piece 120 in panel 110 covers has pressure sensing carbon oil layer 111, there is the gap between pressure sensing carbon oil layer 111 and conducting wire 121, in order to press when pressure sensing membrane switch 10, lead wire 122 switches on, control circuit board for electrical apparatus can be according to the corresponding resistance information of receiving because the pressure difference obtains, combines predetermined resistance control rule, realizes the control of using different functions with electrical apparatus, is favorable to improving user experience, and simultaneously, simple structure, the circuit is simple, practices thrift manufacturing cost.
Specifically, in the present embodiment, a spacer layer 101 is disposed between the panel 110 and the circuit board 120, so that the panel 110 and the circuit board 120 are bonded to each other. The interlayer side adhesive layer 101 may be made of a double-sided adhesive tape. Preferably, the interlayer adhesive layer 101 is disposed along the edge of the circuit sheet 120 and has a main hollow structure, so that the conductive trace 121 is located in the hollow, and the panel 110 is bonded to the circuit sheet 120, so that a gap exists between the pressure-sensitive carbon oil layer 111 and the conductive trace 121.
Referring to fig. 2 and 3, in the present embodiment, specifically, a lead tab 140 for leading out the output end 1221 of the two leads 122 is formed by extending one side of the circuit tab 120 outwards. The output ends 1221 of the two leads 122 are disposed in parallel on the lead sheet 140. Preferably, the output end 1221 of the lead 122 is covered with an insulating ink to protect the output end 1221 from being damaged, and safety can be improved.
Preferably, in this embodiment, one end of the lead tab 140 is electrically pressed with a connector 150, and the other end of the lead tab 140 is connected to the circuit board 120. The connector 150 includes a terminal sleeve 151 and metal terminals 152 disposed in the terminal sleeve 151 and respectively corresponding to the output ends 1221 of the leads 122 and connected to each other. Specifically, the output end 1221 of the lead 122 is connected to the metal terminal 152 through carbon oil, so as to prevent the lead 122 from being oxidized, and thus protect the lead. The pressure sensing membrane switch 10 is electrically connected with a control circuit board of an electrical appliance through a connector 150 to realize signal transmission.
Specifically, each of the leads 122 includes a body 1222 extending in a linear shape and a plurality of branches 1223 extending from the body 1222 toward the other lead 122, the branches 1223 of one lead 122 and the branches 1223 of the other lead 122 are alternately arranged, so that when the panel 110 of the pressure-sensitive membrane switch 10 is pressed, the branches 1223 of the two leads 122 are pressed simultaneously, the two leads 122 are conducted, and the signal difference between the two leads 122 is obtained to obtain the corresponding resistance value. In the figure, one wire 122 is filled with color and the other wire 122 is not colored for ease of identification.
Specifically, in the present embodiment, the panel 110, the circuit sheet 120 and the backing sheet 130 of the pressure-sensitive membrane switch 10 are all circular structures, the two leads 122 of the conductive circuit 121 are circular arc structures and are oppositely disposed, and the branches 1223 are comb-shaped. Preferably, the panel 110 is a transparent PET film, and the thickness of the panel 110 is 100 um.
Specifically, in this embodiment, the back film 130 disposed on the lower surface of the circuit board 120 is a double-sided adhesive tape, the panel 110 is located on the upper surface of the pressure-sensitive membrane switch 10, and the back film 130 is located on the lower surface of the pressure-sensitive membrane switch 10, and is used for adhering the pressure-sensitive membrane switch 10 to a housing of an electrical appliance, so as to facilitate assembly of the pressure-sensitive membrane switch 10.
To sum up, the utility model discloses forced induction membrane switch is through setting up the conducting wire on the circuit piece, and this conducting wire includes the lead wire of two relative settings, has the clearance between the lead wire, and the output of lead wire is connected with control circuit board electricity respectively to it has the forced induction carbon oil reservoir to cover in the panel towards the one side of circuit piece, has the gap between forced induction carbon oil reservoir and the conducting wire, so as to press during the forced induction membrane switch, the lead wire switches on, and can acquire corresponding resistance information according to pressure, realizes the control with electrical apparatus different functions, is favorable to improving user experience, and simultaneously, simple structure, the circuit is simple, practices thrift manufacturing cost.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not intended to limit the invention in any way. Various equivalent changes and modifications can be made on the basis of the above embodiments by those skilled in the art, and all equivalent changes and modifications within the scope of the claims should fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a forced induction membrane switch, sets up on using electrical apparatus and be connected with the control circuit board electricity of electrical apparatus, a serial communication port, forced induction membrane switch is including from top to bottom according to the preface setting and the panel that bonds each other, circuit piece and back of the body film, be provided with the conducting wire on the circuit piece, the conducting wire includes the lead wire of two relative settings, is formed with the clearance between two lead wires, and the one end of two lead wires outwards extends respectively and forms the output, two the output and the control circuit board electricity of lead wire are connected, the panel is covered towards the one side of circuit piece and is stamped the forced induction carbon oil layer, there is the gap between forced induction carbon oil layer and the conducting wire, one side outside extension of circuit piece is formed with the lead wire piece that supplies the output of two lead wires to draw forth, the electrically conductive pressfitting of one end of lead wire piece has a connector, the connector including the pot head The metal terminal of (1).
2. The pressure sensitive membrane switch of claim 1 wherein an inter-piece adhesive layer is disposed between the face plate and the circuit sheet.
3. The pressure sensitive membrane switch of claim 2, wherein the inter-sheet surface glue layer is disposed along the edge of the circuit sheet and has a main body hollow structure such that the conductive circuit is located in the hollow.
4. The pressure sensitive membrane switch of claim 1, wherein each of the leads includes a body extending in a linear shape and a plurality of branches extending from the body toward the other lead, the branches of one lead and the branches of the other lead being alternately spaced apart from each other.
5. The pressure sensitive membrane switch of claim 1 wherein said faceplate is a transparent PET film.
6. The pressure sensitive membrane switch of claim 5, wherein the panel has a thickness of 100 um.
7. The pressure sensitive membrane switch of claim 1 wherein the backing sheet is a double sided adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020291225.8U CN213691835U (en) | 2020-03-10 | 2020-03-10 | Pressure induction membrane switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020291225.8U CN213691835U (en) | 2020-03-10 | 2020-03-10 | Pressure induction membrane switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213691835U true CN213691835U (en) | 2021-07-13 |
Family
ID=76724771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020291225.8U Expired - Fee Related CN213691835U (en) | 2020-03-10 | 2020-03-10 | Pressure induction membrane switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213691835U (en) |
-
2020
- 2020-03-10 CN CN202020291225.8U patent/CN213691835U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210713 |