Screen assembly pressure calibration device

Abstract

The utility model discloses a pressure calibration device for screen assembly, which comprises an upper template, a base, a bearing plate positioned on the surface of the base, and a flexible pressure sensor positioned between the upper template and the bearing plate, the flexible pressure sensor further comprises an upper base material layer and a lower base material layer, a plurality of row electrode strips distributed at intervals are arranged on the surface, facing the upper base material layer, of the lower base material layer and are arranged in parallel, and a plurality of column electrode strips distributed at intervals are arranged on the surface, facing the lower base material layer, of the upper base material layer and are arranged in parallel. The plurality of column electrode strips are arranged in parallel, and the row electrode strips and the column electrode strips are arranged at a vertical angle; a pressure-sensitive sensing film is positioned between the plurality of column electrode strips of the upper base material layer and the plurality of row electrode strips of the lower base material layer; and the upper base material layer and the lower base material layer are respectively positioned in the edge areas of the periphery of the pressure-sensitive sensing film and are connected together. The screen assembly pressure calibration device not only can accurately sense pressure distribution, but also can conveniently extract an assembly pressure value.

Description

Technical Field

[0001] This utility model relates to the technical field of pressure detection, and in particular to a screen assembly pressure calibration device. Background Technology

[0002] With the rapid development of intelligent manufacturing and precision assembly technologies, there is an urgent need for flexible pressure sensors for pressure monitoring and measurement in automated production lines, robot tactile sensing, and precision equipment calibration. In the assembly process of mobile phone screens, the pressure distribution of pressure rollers and pressure tables has a crucial impact on the screen bonding quality and product consistency. To ensure consistent pressure distribution, related equipment requires frequent calibration. Traditional methods use disposable pressure-sensitive paper for calibration, but the cost of using pressure-sensitive paper is high, and its measurement results are difficult to digitize and store. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a screen assembly pressure calibration device that can accurately sense the pressure distribution and easily extract the assembly pressure value.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a screen assembly pressure calibration device, comprising: an upper template, a base, and a pressure plate located on the surface of the base; a flexible pressure sensor is located between the upper template and the pressure plate; the flexible pressure sensor further comprises: an upper substrate layer and a lower substrate layer, wherein the lower substrate layer has a plurality of spaced row electrode strips disposed on the surface of the upper substrate layer, the plurality of row electrode strips being arranged in parallel; the upper substrate layer has a plurality of spaced column electrode strips disposed on the surface of the lower substrate layer, the plurality of column electrode strips being arranged in parallel; the row electrode strips and column electrode strips are arranged at a perpendicular angle; a pressure-sensitive sensing film is located between the plurality of column electrode strips of the upper substrate layer and the plurality of row electrode strips of the lower substrate layer, and the edge areas of the upper substrate layer and the lower substrate layer located around the pressure-sensitive sensing film are connected together.

[0005] The following is a further improvement to the above technical solution:

[0006] 1. In the above scheme, both ends of the upper template have an upper arc-shaped part, and both ends of the pressure plate are provided with a lower arc-shaped part that matches the upper arc-shaped part.

[0007] 2. In the above scheme, the thickness of the row electrode strip and the column electrode strip is 0.1~10μm.

[0008] 3. In the above scheme, the row electrode strip is a copper electrode strip or an aluminum electrode strip, and the column electrode strip is a copper electrode strip or an aluminum electrode strip.

[0009] 4. In the above scheme, the edge areas of the upper substrate layer and the lower substrate layer are connected by an adhesive part.

[0010] 5. In the above scheme, the thickness of the upper substrate layer and the lower substrate layer is 30~50μm.

[0011] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:

[0012] 1. The screen assembly pressure calibration device of this utility model includes an upper template, a base and a pressure plate located on the surface of the base, and a flexible pressure sensor located between the upper template and the pressure plate. The flexible pressure sensor further includes an upper substrate layer, a lower substrate layer and a pressure-sensitive sensing membrane located between the upper substrate layer and the lower substrate layer; it can accurately sense the pressure distribution and conveniently extract the assembly pressure value.

[0013] 2. The screen assembly pressure calibration device of this utility model has a pressure-sensitive sensing film located between several column electrode strips of the upper substrate layer and several row electrode strips of the lower substrate layer. The upper substrate layer and the lower substrate layer are connected together at their respective edge areas around the pressure-sensitive sensing film. Since the pressure-sensitive sensing film is not connected to the upper substrate layer and the lower substrate layer by means of bonding or other methods, there will be gaps between the pressure-sensitive sensing film and the upper and lower substrate layers when no pressure is applied. This makes the flexible pressure sensor respond to pressure quickly, improves the defect of continued deformation under constant pressure, and also helps the flexible pressure sensor to recover quickly when the pressure disappears, thus improving the detection accuracy and speed of the flexible pressure sensor. Attached Figure Description

[0014] Appendix Figure 1 This is a schematic diagram of the screen assembly pressure calibration device of this utility model;

[0015] Appendix Figure 2 This is a cross-sectional structural diagram of the flexible pressure sensor of this utility model;

[0016] Appendix Figure 3 This is a partial structural schematic diagram of the flexible pressure sensor of this utility model;

[0017] Appendix Figure 4 This is a schematic diagram of the lower substrate layer structure in the flexible pressure sensor of this utility model;

[0018] Appendix Figure 5 This is a schematic diagram of the upper substrate layer structure in the flexible pressure sensor of this utility model.

[0019] In the above figures: 1. Upper substrate layer; 2. Lower substrate layer; 3. Column electrode strip; 4. Row electrode strip; 5. Pressure-sensitive sensing film; 6. Adhesive part; 7. Upper template; 8. Base; 9. Pressure plate; 10. Flexible pressure sensor; 111. Upper arc-shaped part; 112. Lower arc-shaped part. Detailed Implementation

[0020] The present patent can be further understood through the specific embodiments given below, but they are not intended to limit the present patent.

[0021] The present invention will be further described below with reference to embodiments:

[0022] Example 1: A screen assembly pressure calibration device includes: an upper template 7, a base 8, and a pressure plate 9 located on the surface of the base 8; a flexible pressure sensor is located between the upper template 7 and the pressure plate 9; the flexible pressure sensor 10 further includes: an upper substrate layer 1 and a lower substrate layer 2, wherein a plurality of spaced row electrode strips 4 are disposed on the surface of the lower substrate layer 2 facing the upper substrate layer 1, and the plurality of row electrode strips 4 are arranged in parallel; a plurality of spaced column electrode strips 3 are disposed on the surface of the upper substrate layer 1 facing the lower substrate layer 2, and the plurality of column electrode strips 3 are arranged in parallel; the row electrode strips 4 and the column electrode strips 3 are arranged at a perpendicular angle; a pressure-sensitive sensing film 5 is located between the plurality of column electrode strips 3 of the upper substrate layer 1 and the plurality of row electrode strips 4 of the lower substrate layer 2, and the edge areas of the upper substrate layer 1 and the lower substrate layer 2 are connected together around the pressure-sensitive sensing film 5.

[0023] The upper template 7 has an upper arc-shaped part 111 at both ends, and the pressure plate 9 has a lower arc-shaped part 112 at both ends that matches the upper arc-shaped part 111.

[0024] The thickness of the row electrode strip 4 and column electrode strip 3 is 3 μm.

[0025] The row electrode strip 4 is a copper electrode strip or an aluminum electrode strip, and the column electrode strip 3 is a copper electrode strip or an aluminum electrode strip.

[0026] The edge regions of the upper substrate layer 1 and the lower substrate layer 2 are connected by an adhesive portion 6.

[0027] The thickness of both the upper substrate layer 1 and the lower substrate layer 2 is 45 μm, and both the upper substrate layer 1 and the lower substrate layer 2 are PET film layers.

[0028] Example 2: A screen assembly pressure calibration device includes: an upper template 7, a base 8, and a pressure plate 9 located on the surface of the base 8; a flexible pressure sensor is located between the upper template 7 and the pressure plate 9; the flexible pressure sensor 10 further includes: an upper substrate layer 1 and a lower substrate layer 2, wherein a plurality of spaced row electrode strips 4 are disposed on the surface of the lower substrate layer 2 facing the upper substrate layer 1, and the plurality of row electrode strips 4 are arranged in parallel; a plurality of spaced column electrode strips 3 are disposed on the surface of the upper substrate layer 1 facing the lower substrate layer 2, and the plurality of column electrode strips 3 are arranged in parallel; the row electrode strips 4 and the column electrode strips 3 are arranged at a perpendicular angle; a pressure-sensitive sensing film 5 is located between the plurality of column electrode strips 3 of the upper substrate layer 1 and the plurality of row electrode strips 4 of the lower substrate layer 2; the edge areas of the upper substrate layer 1 and the lower substrate layer 2 surrounding the pressure-sensitive sensing film 5 are connected together.

[0029] The upper template 7 has an upper arc-shaped part 111 at both ends, and the pressure plate 9 has a lower arc-shaped part 112 at both ends that matches the upper arc-shaped part 111.

[0030] The thickness of the row electrode strip 4 and column electrode strip 3 is 5 μm.

[0031] The row electrode strip 4 is a copper electrode strip or an aluminum electrode strip, and the column electrode strip 3 is a copper electrode strip or an aluminum electrode strip.

[0032] The edge regions of the upper substrate layer 1 and the lower substrate layer 2 are connected by an adhesive portion 6.

[0033] The thickness of both the upper substrate layer 1 and the lower substrate layer 2 is 32 μm, and both the upper substrate layer 1 and the lower substrate layer 2 are PET film layers.

[0034] When using the above-mentioned screen assembly pressure calibration device, there is an upper template, a base, and a pressure plate on the surface of the base. A flexible pressure sensor is located between the upper template and the pressure plate. The flexible pressure sensor further includes an upper substrate layer, a lower substrate layer, and a pressure-sensitive sensing film located between the upper substrate layer and the lower substrate layer. It can accurately sense the pressure distribution and facilitate the extraction of assembly pressure values.

[0035] Furthermore, its pressure-sensitive sensing film is located between several column electrode strips of the upper substrate layer and several row electrode strips of the lower substrate layer. The upper and lower substrate layers are connected together at their respective edge areas around the pressure-sensitive sensing film. Since the pressure-sensitive sensing film is not connected to the upper and lower substrate layers by means of bonding, there will be gaps between the pressure-sensitive sensing film and the upper and lower substrate layers when no pressure is applied. This improves the response speed of the flexible pressure sensor to pressure, improves the defect of continued deformation under constant pressure, and also helps the flexible pressure sensor to recover quickly when the pressure disappears.

[0036] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A screen assembly pressure calibration device, characterized in that: include: The upper template (7), the base (8), and the pressure plate (9) located on the surface of the base (8) are provided. A flexible pressure sensor is located between the upper template (7) and the pressure plate (9). The flexible pressure sensor (10) further includes: an upper substrate layer (1) and a lower substrate layer (2). The surface of the lower substrate layer (2) facing the upper substrate layer (1) is provided with a plurality of spaced row electrode strips (4). The plurality of row electrode strips (4) are arranged in parallel. The surface of the upper substrate layer (1) facing the lower substrate layer (2) is provided with a plurality of spaced column electrode strips (3). The plurality of column electrode strips (3) are arranged in parallel. The row electrode strips (4) and the column electrode strips (3) are arranged at a perpendicular angle. A pressure-sensitive sensing membrane (5) is located between the plurality of column electrode strips (3) of the upper substrate layer (1) and the plurality of row electrode strips (4) of the lower substrate layer (2). The upper substrate layer (1) and the lower substrate layer (2) are respectively connected together at the edge area around the pressure-sensitive sensing membrane (5).

2. The screen assembly pressure calibration device according to claim 1, characterized in that: The upper template (7) has an upper arc-shaped part (111) at both ends, and the pressure plate (9) has a lower arc-shaped part (112) at both ends that matches the upper arc-shaped part (111).

3. The screen assembly pressure calibration device according to claim 1, characterized in that: The thickness of the row electrode strip (4) and column electrode strip (3) is 0.1~10μm.

4. The screen assembly pressure calibration device according to claim 1, characterized in that: The row electrode strip (4) is a copper electrode strip or an aluminum electrode strip, and the column electrode strip (3) is a copper electrode strip or an aluminum electrode strip.

5. The screen assembly pressure calibration device according to claim 1, characterized in that: The edge regions of the upper substrate layer (1) and the lower substrate layer (2) are connected by an adhesive part (6).

6. The screen assembly pressure calibration device according to claim 1, characterized in that: The thickness of both the upper substrate layer (1) and the lower substrate layer (2) is 30~50μm.

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