PET base material potentiometer circuit

Abstract

The utility model discloses a PET base material potentiometer circuit which comprises an upper circuit and a lower circuit, interlayer glue is arranged between the upper circuit and the lower circuit, back glue is arranged below the lower circuit, the upper circuit is composed of an upper circuit base material, a first silver paste layer and an upper circuit insulating oil layer, and the lower circuit is composed of a lower circuit base material, a second silver paste layer and a lower circuit insulating oil layer. The upper circuit substrate, the first silver paste layer and the upper circuit insulating oil layer are sequentially arranged from top to bottom. According to the utility model, silver paste, carbon paste, insulating oil and the like are printed on the upper PET and the lower PET to form an upper circuit and a lower circuit, and then the upper circuit and the lower circuit are adhered through the double faced adhesive tape to form a resistor loop, so that the function of the potentiometer is realized; a plurality of potentiometers can be unified in the same circuit, the thickness of the product is not more than 1mm, the cost is low, the potentiometer can be freely designed and combined, even a special-shaped potentiometer can be designed, and the degree of freedom of design is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of potentiometer, especially to a PET base material potentiometer circuit. BACKGROUND

[0002] The existing potentiometer no matter angle potentiometer or straight line potentiometer, the structure needs at least 5mm thickness, involves multiple potentiometers and needs to integrate multiple potentiometers into a mainboard to work, limits the design space of control panel, improves the cost, if the potentiometer is special-shaped, needs to open mould to make, and the cost increases greatly. UTILITY MODEL CONTENTS

[0003] The utility model discloses a PET base material potentiometer circuit to solve the shortcomings in the prior art.

[0004] In order to realize the above-mentioned purpose, the utility model discloses a PET base material potentiometer circuit, including the upper piece circuit and the lower piece circuit, the middle of upper piece circuit and lower piece circuit is provided with the spacer glue, the lower of lower piece circuit is provided with the back glue,

[0005] The upper piece circuit is composed of the upper piece circuit base material, silver paste layer one and the upper piece circuit insulating oil layer, and the upper piece circuit base material, silver paste layer one and the upper piece circuit insulating oil layer are sequentially arranged from top to bottom.

[0006] The lower piece circuit is composed of the lower piece circuit insulating oil layer, silver paste layer two and the lower piece circuit base material, and the lower piece circuit insulating oil layer, silver paste layer two and the lower piece circuit base material are sequentially arranged from top to bottom.

[0007] As a further description of the above technical solution:

[0008] The upper piece circuit, lower piece circuit, spacer glue and back glue corresponding position are all provided with cavity one, and the upper piece circuit, lower piece circuit, spacer glue and back glue corresponding position are also provided with cavity two.

[0009] As a further description of the above technical solution:

[0010] The silver paste layer one and silver paste layer two are all provided with carbon ink layer one.

[0011] As a further description of the above technical solution:

[0012] The spacer glue, upper piece circuit insulating oil layer and lower piece circuit insulating oil layer corresponding position are all provided with cavity three.

[0013] As a further description of the above technical solution:

[0014] The lower piece circuit substrate is provided with a carbon ink layer two above, which corresponds to the position of the cavity three.

[0015] As a further description of the above technical solutions:

[0016] The carbon ink layer two is a high resistance carbon ink layer.

[0017] The utility model has the following beneficial effects:

[0018] 1, compared with the prior art, the PET substrate potentiometer circuit, through printing silver paste, carbon paste, insulating oil etc. on the upper and lower piece PET forms the upper and lower piece circuit, and then the upper and lower piece circuit is adhered by double-sided adhesive, the upper and lower piece circuit forms the loop of resistance, and the function of the potentiometer is realized.

[0019] 2, compared with the prior art, the PET substrate potentiometer circuit, a variety of potentiometers can be unified in the same circuit, the product thickness is not more than 1mm, the cost is low, and it can be freely designed and combined, even the special-shaped potentiometer is designed, and the design freedom is improved. DETAILED DESCRIPTION

[0020] Figure 1 A layered diagram of the PET substrate potentiometer circuit is provided for the utility model;

[0021] Figure 2 An upper piece circuit schematic diagram of the PET substrate potentiometer circuit is provided for the utility model;

[0022] Figure 3 An upper piece circuit insulating oil layer schematic diagram of the PET substrate potentiometer circuit is provided for the utility model;

[0023] Figure 4 A spacer adhesive schematic diagram of the PET substrate potentiometer circuit is provided for the utility model;

[0024] Figure 5 A lower piece circuit schematic diagram of the PET substrate potentiometer circuit is provided for the utility model;

[0025] Figure 6 A lower piece circuit insulating oil layer schematic diagram of the PET substrate potentiometer circuit is provided for the utility model;

[0026] Figure 7 A back adhesive schematic diagram of the PET substrate potentiometer circuit is provided for the utility model.

[0027] LEGEND:

[0028] 1, the upper piece circuit; 2, the lower piece circuit; 3, the interlayer adhesive; 4, the cavity three; 5, the back adhesive; 6, the upper piece circuit base material; 7, silver paste layer one; 8, the upper piece circuit insulation oil layer; 9, the lower piece circuit insulation oil layer; 10, silver paste layer two; 11, the lower piece circuit base material; 12, carbon ink layer one; 13, carbon ink layer two; 14, cavity one; 15, cavity two. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0030] Referring to Figures 1 to 7 The utility model provides a kind of PET base material potentiometer circuit: including upper piece circuit 1 and lower piece circuit 2, upper piece circuit 1 and lower piece circuit 2 are provided with interlayer adhesive 3 in the middle, the lower portion of lower piece circuit 2 is provided with back adhesive 5;

[0031] Upper piece circuit 1 is composed of upper piece circuit base material 6, silver paste layer one 7 and upper piece circuit insulation oil layer 8, and upper piece circuit base material 6, silver paste layer one 7 and upper piece circuit insulation oil layer 8 are sequentially arranged from top to bottom;Upper piece circuit base material 6 and lower piece circuit base material 11 are preferably 0.075mm-0.1mm PET material, interlayer adhesive 3 is preferably 0.05mm-0.1mm double-sided adhesive, and the width of cavity three 4 is preferably 2.5mm-3.5mm, to facilitate the function of potentiometer to be realized by cavity three 4 extrusion deformation;

[0032] Lower piece circuit 2 is composed of lower piece circuit insulation oil layer 9, silver paste layer two 10 and lower piece circuit base material 11, and lower piece circuit insulation oil layer 9, silver paste layer two 10 and lower piece circuit base material 11 are sequentially arranged from top to bottom;Upper piece circuit insulation oil layer 8 and lower piece circuit insulation oil layer 9 are preferably heat-cured ink;High resistance carbon ink layer is preferably a high-impedance carbon paste and a low-impedance carbon paste, and a suitable paste is used;

[0033] Cavity one 14 is arranged in the position corresponding to upper piece circuit 1, lower piece circuit 2, interlayer adhesive 3 and back adhesive 5, and cavity two 15 is also arranged in the position corresponding to upper piece circuit 1, lower piece circuit 2, interlayer adhesive 3 and back adhesive 5;Carbon ink layer one 12 is arranged on silver paste layer one 7 and silver paste layer two 10;Cavity three 4 is arranged in the position corresponding to interlayer adhesive 3, upper piece circuit insulation oil layer 8 and lower piece circuit insulation oil layer 9;Carbon ink layer two 13 is arranged above lower piece circuit base material 11, and the position of carbon ink layer two 13 corresponds to cavity three 4;Carbon ink layer two 13 is high resistance carbon ink layer.

[0034] Working principle:

[0035] The upper circuit 1, the lower circuit 2, the interlayer glue 3 and the back glue 5 are all provided with cavities 14 and 15 at corresponding positions; the cavity 14 is used for installing a rotating column of an angle potentiometer, and the cavity 15 is used for installing a positioning hole of various potentiometers;

[0036] The cavity 4 is formed by opening holes at corresponding positions of the interlayer glue 3, the upper circuit insulation oil layer 8 and the lower circuit insulation oil layer 9, and the cavity 4 is a key for forming the potentiometer by the upper circuit 1 and the lower circuit 2; by extruding the upper circuit 1, the cavity 4 is deformed, the silver paste layer 7 is contacted with the carbon ink layer 13, a resistance loop is formed according to the circuit design, different positions of the upper circuit 1 are extruded, the loop resistance is changed, and the function of the potentiometer is realized.

[0037] Finally, it should be noted that the above only for the preferred embodiments of the present application and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it can still be modified according to the technical solutions recorded in the foregoing embodiments, or some technical features are replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A PET substrate potentiometer circuit comprising an upper sheet circuit (1) and a lower sheet circuit (2), characterized in that: The upper circuit (1) and the lower circuit (2) are provided with a spacer glue (3) in the middle, and the lower circuit (2) is provided with a back glue (5) below; The upper circuit (1) is composed of an upper circuit substrate (6), a silver paste layer one (7) and an upper circuit insulation oil layer (8), and the upper circuit substrate (6), the silver paste layer one (7) and the upper circuit insulation oil layer (8) are sequentially arranged from top to bottom; The lower circuit (2) is composed of a lower circuit insulation oil layer (9), a silver paste layer two (10) and a lower circuit substrate (11), and the lower circuit insulation oil layer (9), the silver paste layer two (10) and the lower circuit substrate (11) are sequentially arranged from top to bottom.

2. A PET substrate potentiometer circuit according to claim 1, characterized in that: The upper circuit (1), the lower circuit (2), the spacer glue (3) and the back glue (5) are provided with cavities one (14) at corresponding positions, and the upper circuit (1), the lower circuit (2), the spacer glue (3) and the back glue (5) are also provided with cavities two (15) at corresponding positions.

3. A PET substrate potentiometer circuit according to claim 1, wherein: The silver paste layer one (7) and the silver paste layer two (10) are provided with carbon ink layers one (12) thereon.

4. The PET substrate potentiometer circuit according to claim 1, wherein: The spacer glue (3), the upper circuit insulation oil layer (8) and the lower circuit insulation oil layer (9) are provided with cavities three (4) at corresponding positions.

5. A PET substrate potentiometer circuit according to claim 4, wherein: The lower circuit substrate (11) is provided with a carbon ink layer two (13) above, and the carbon ink layer two (13) corresponds to the position of the cavity three (4).

6. A PET substrate potentiometer circuit according to claim 5, wherein: The carbon ink layer two (13) is a high-resistance carbon ink layer.

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