High-impedance membrane switch

Abstract

The utility model relates to a high-impedance membrane switch. The high-impedance membrane switch comprises an acrylic panel, a first ink layer, a second ink layer, a first double-faced adhesive tape, a circuit layer, a second double-faced adhesive tape and release paper from top to bottom in sequence, wherein a touch key is arranged on the circuit layer; the first ink layer, the second ink layer, the first double-faced adhesive tape, the circuit layer, the second double-faced adhesive tape and the release paper are all provided with nixie tube display windows, all the nixie tube display windows are located at the same vertical position, and the impedance performance of the double-faced adhesive tape is better due to the fact that the double-ink and acrylic panel combination mode is adopted. The acrylic panel is moderate in thickness, small in size and high in brightness, and the electrostatic net is adopted, so that the anti-static effect of the anti-static LED lamp is good.

Description

Technical Field

[0001] The utility model relates to a touch switch, in particular to a high-impedance membrane switch with good impedance performance, good anti-static effect and good temperature resistance. Background Art

[0002] The design requirements of the user interface of acrylic control panels for washing machines and dryers are constantly changing and improving. They are not only limited to more fashionable appearance and more novel touch, but also have high requirements for impedance and anti-static functions.

[0003] However, the current control panel has certain limitations:

[0004] 1. Low impedance.

[0005] 2. Poor anti-static effect and waterproof performance.

[0006] 3. Poor heat resistance. Utility Model Content

[0007] In view of the above problems, the main purpose of the utility model is to provide a high-impedance membrane switch with good impedance performance, good anti-static effect and good temperature resistance.

[0008] The utility model solves the above technical problems through the following technical solutions: a high-impedance membrane switch, which comprises, from top to bottom: an acrylic panel, a first ink layer, a second ink layer, a first double-sided tape, a circuit layer, a second double-sided tape, and release paper, and a touch button is arranged on the circuit layer.

[0009] Digital tube display windows are arranged on the first ink layer, the second ink layer, the first double-sided adhesive tape, the circuit layer, the second double-sided adhesive tape and the release paper, and all the digital tube display windows are located at the same vertical position.

[0010] The acrylic panel and the first ink layer are combined together by drying and curing after printing, the first ink layer and the second ink layer are combined together by drying and curing after printing, and the second ink layer and the first double-sided adhesive tape are combined together by bonding with the first double-sided adhesive tape.

[0011] The first double-sided adhesive tape and the circuit layer are bonded together by the first double-sided adhesive tape, the circuit layer and the second double-sided adhesive tape are bonded together by the second double-sided adhesive tape, and the second double-sided adhesive tape and the release paper are bonded together by the second double-sided adhesive tape.

[0012] In a specific implementation example of the present utility model, the thickness of the panel layer ranges from 1.8 to 2.2 mm.

[0013] In a specific implementation example of the present invention, the thickness range of the first ink layer and the second ink layer is 4-8 um.

[0014] In a specific implementation example of the present utility model, the thickness range of the first double-sided adhesive tape and the second double-sided adhesive tape is: 0.1-0.15mm.

[0015] In a specific implementation example of the present utility model, the thickness of the circuit layer ranges from 0.1 to 0.15 mm.

[0016] In a specific implementation example of the present invention, the thickness of the release paper is in the range of 0.08-0.12 mm.

[0017] In a specific implementation example of the utility model, all digital tube display windows have the same size, with a length range of 80-105 mm and a width range of 50-75 mm.

[0018] In a specific implementation example of the utility model, an electrostatic net is arranged on the acrylic panel around the periphery of the circuit layer.

[0019] The positive progress of the utility model is that the release paper in the utility model has good water resistance and temperature resistance. The utility model adopts the combination of double ink and acrylic panel, so that the impedance performance of the utility model is better. The acrylic panel has moderate thickness, small volume, high brightness, and the use of electrostatic net makes the utility model have good anti-static effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the interlayer structure of the utility model.

[0021] Figure 2 It is a key circuit combination diagram of the utility model.

[0022] Figure 3 It is a schematic diagram of the front panel display of the utility model.

[0023] The following are the names corresponding to the label numbers in this utility model:

[0024] Acrylic panel 1, first ink layer 2, second ink layer 3, first double-sided tape 4, circuit layer 5, second double-sided tape 6, release paper 7, touch button 8, digital tube display window 9, electrostatic net 10. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to illustrate the technical solution of the present invention in detail.

[0026] Figure 1 It is a schematic diagram of the structure of the interlayer structure of the utility model. Figure 2This is a key circuit combination diagram of the utility model. Figure 3 This is a schematic diagram of the front panel display of the utility model. Figure 1-3 As shown: a high-impedance membrane switch proposed by the utility model, the high-impedance membrane switch is composed from top to bottom: the high-impedance membrane switch is composed from top to bottom: an acrylic panel 1, a first ink layer 2, a second ink layer 3, a first double-sided tape 4, a circuit layer 5, a second double-sided tape 6, a release paper 7, and a touch button 8 is arranged on the circuit layer.

[0027] Digital tube display windows 9 are arranged on the first ink layer, the second ink layer, the first double-sided adhesive tape, the circuit layer, the second double-sided adhesive tape and the release paper, and all the digital tube display windows 9 are located at the same vertical position.

[0028] The acrylic panel and the first ink layer are combined together by drying and curing after printing, the first ink layer and the second ink layer are combined together by drying and curing after printing, and the second ink layer and the first double-sided adhesive tape are combined together by bonding with the first double-sided adhesive tape.

[0029] The first double-sided adhesive tape and the circuit layer are bonded together by the first double-sided adhesive tape, the circuit layer and the second double-sided adhesive tape are bonded together by the second double-sided adhesive tape, and the second double-sided adhesive tape and the release paper are bonded together by the second double-sided adhesive tape.

[0030] In the specific implementation example of the utility model, the thickness range of the panel layer of the utility model is: 1.8-2.2mm, the thickness range of the first ink layer and the second ink layer are both: 4-8um, the thickness range of the first double-sided adhesive tape and the second double-sided adhesive tape is: 0.1-0.15mm, the thickness range of the circuit layer is: 0.1-0.15mm, and the thickness range of the release paper is: 0.08-0.12mm. The above parameters are selected according to the specific requirements, and other parameters can also be selected in the specific implementation process.

[0031] In a specific implementation example of the present invention, an electrostatic net 10 is arranged on the acrylic panel around the periphery of the circuit layer of the present invention. The area of ​​the electrostatic net is a blank area on the acrylic panel or the electrostatic net is arranged after a certain distance is left.

[0032] During the specific implementation of the present invention, the distance between adjacent spaces in a plurality of spaces of a key is 20-30 mm; the above parameter range needs to be adjusted to other values ​​or ranges according to the size of the key.

[0033] The release paper in the utility model has good water resistance and temperature resistance. The utility model adopts the combination of double ink and acrylic panel, so that the impedance performance of the utility model is better. The acrylic panel has moderate thickness, small volume, high brightness, and adopts electrostatic net to make the utility model have good anti-static effect.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high impedance membrane switch, characterized in that: The high-impedance membrane switch is composed of: acrylic panel, first ink layer, second ink layer, first double-sided adhesive tape, circuit layer, second double-sided adhesive tape, release paper, and the touch button is arranged on the circuit layer; Digital tube display windows are arranged on the first ink layer, the second ink layer, the first double-sided adhesive tape, the circuit layer, the second double-sided adhesive tape, and the release paper. All digital tube display windows are located at the same vertical position. The acrylic panel and the first ink layer are combined together by drying and curing after printing, the first ink layer and the second ink layer are combined together by drying and curing after printing, and the second ink layer and the first double-sided adhesive tape are combined together by bonding with the first double-sided adhesive tape. The first double-sided adhesive tape and the circuit layer are bonded together by the first double-sided adhesive tape, the circuit layer and the second double-sided adhesive tape are bonded together by the second double-sided adhesive tape, and the second double-sided adhesive tape and the release paper are bonded together by the second double-sided adhesive tape.

2. The high impedance membrane switch according to claim 1, characterized in that: The thickness range of the panel layer is: 1.8-2.2mm.

3. The high impedance membrane switch according to claim 1, characterized in that: The thickness range of the first ink layer and the second ink layer is 4-8um.

4. The high impedance membrane switch according to claim 1, characterized in that: The thickness range of the first double-sided adhesive tape and the second double-sided adhesive tape is 0.1-0.15 mm.

5. The high impedance membrane switch according to claim 1, characterized in that: The thickness range of the circuit layer is: 0.1-0.15mm.

6. The high impedance membrane switch according to claim 1, characterized in that: The thickness range of release paper is: 0.08-0.12mm.

7. The high impedance membrane switch according to claim 1, characterized in that: All digital tube display windows have the same size, with a length range of 80-105mm and a width range of 50-75mm.

8. The high impedance membrane switch according to claim 1, characterized in that: An electrostatic net is arranged on the acrylic panel around the periphery of the circuit layer.

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