Jig for testing performance of capacitive touch circuit diaphragm

Abstract

The utility model relates to the technical field of capacitive touch circuit diaphragm testing, and discloses a jig for testing the performance of a capacitive touch circuit diaphragm, which comprises a lower placing seat and an upper pressing plate, and is characterized in that the lower placing seat comprises a placing plate and a bottom plate; the top surface of the placing plate is provided with a placing groove for placing a capacitive touch circuit diaphragm; the upper pressing plate is located above the placing plate, and a first pressing part and a second pressing part are arranged on the bottom surface of the upper pressing plate; in an actual test, the capacitive touch circuit diaphragm is placed in the placing groove of the placing plate, and then the upper pressing plate is pressed downwards, so that the first pressing part on the upper pressing plate can press an output interface of the capacitive touch circuit diaphragm on the signal adapter plate; and the second pressing part presses the key of the capacitive touch circuit diaphragm for testing, so that manual positioning is not needed, and the testing efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of capacitive touch circuit diaphragm testing, and in particular to a fixture for testing the performance of a capacitive touch circuit diaphragm. Background Art

[0002] At present, capacitive touch circuit membranes are used in some home appliances such as washing machines for buyers to operate, so as to realize the function setting and operation status setting of the washing machine.

[0003] In the manufacturing process of the capacitive touch circuit film, the manufactured capacitive touch circuit film needs to be placed on a performance testing machine for testing, so as to detect whether there is a short circuit or open circuit in the circuit of the capacitive touch circuit film, and detect whether the signal value output by the capacitive touch circuit film meets the requirements.

[0004] However, when testing the existing capacitive touch circuit membrane, it is necessary to manually align the signal output end of the capacitive touch circuit membrane with the position of the wiring, and to make a backing to ensure that the position of the tested capacitive touch circuit membrane is correctly placed. However, this testing method is inefficient and cannot meet actual production needs. Utility Model Content

[0005] In view of the shortcomings of the background technology, the utility model provides a fixture for testing the performance of capacitive touch circuit membranes. The technical problem to be solved is that the existing capacitive touch circuit membranes need to be manually positioned during testing, the test efficiency is low, and cannot meet actual production needs.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a jig for testing the performance of a capacitive touch circuit membrane, comprising a lower placement seat and an upper pressing plate, wherein the lower placement seat comprises a placement plate and a bottom plate;

[0007] The bottom surface of the placement plate is connected to the top surface of the bottom plate through a connecting rod, and the top surface of the placement plate is provided with a placement groove for placing a capacitive touch circuit film;

[0008] A signal adapter board is provided at the corresponding part of the placement slot and the output interface of the capacitive touch circuit membrane, and a signal output connector is installed on the placement board, and the signal output connector is electrically connected to the signal adapter board through a signal connection line;

[0009] The upper pressing plate is located above the placement plate, and a first pressing portion is provided on the bottom surface of the upper pressing plate and the corresponding portion of the signal transfer plate, and a second pressing portion is provided on the bottom surface of the upper pressing plate and the corresponding portion of the area where the buttons of the capacitive touch circuit membrane are placed in the placement groove.

[0010] In some embodiments, the signal output connector is a bull horn output connector.

[0011] In a certain embodiment, the bottom surface of the placement plate is connected to the top surface of the bottom plate through four connecting rods.

[0012] In a certain embodiment, the four connecting rods are distributed in a rectangular shape on the placement plate.

[0013] In a certain embodiment, an opening is provided at the rear side of the area where the buttons of the capacitive touch circuit membrane are placed in the placement groove.

[0014] In a certain embodiment, a PCB board is placed in the area of ​​the placement groove where the keys of the capacitive touch circuit membrane are placed, and the PCB board is provided with copper sheets corresponding to the keys of the capacitive touch circuit membrane, and each copper sheet is electrically connected to a grounding point on the PCB board through a copper wire.

[0015] In a certain embodiment, at least one positioning hole is formed on the placement plate, and a positioning column matching each positioning hole is formed on the bottom surface of the upper pressing plate.

[0016] In a certain embodiment, the positioning holes are respectively opened on both sides of the placement plate.

[0017] In a certain embodiment, the top surface of the upper pressure plate is connected to the upper connecting plate through an upper connecting rod, and the top surface of the upper connecting plate is electrically connected to the lifting end of the lifting device.

[0018] In a certain embodiment, a positioning block is provided at a portion of the placement groove corresponding to the notch of the output interface of the capacitive touch circuit membrane.

[0019] Compared with the prior art, the utility model has the following beneficial effects: in actual testing, by placing the capacitive touch circuit membrane into the placement groove of the placement plate, and then pressing the upper pressing plate downward, the first pressing part on the upper pressing plate will press the output interface of the capacitive touch circuit membrane onto the signal adapter board, and the second pressing part will press the button of the capacitive touch circuit membrane for testing, thereby eliminating the need for manual positioning and improving the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a test diagram of the utility model in the embodiment;

[0021] Figure 2 is a top view of a placement plate in an embodiment;

[0022] Figure 3 Schematic diagram of the structure of the PCB board in the embodiment. DETAILED DESCRIPTION

[0023] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0024] like Figure 1 As shown, a jig for testing the performance of a capacitive touch circuit membrane comprises a lower placement seat 1 and an upper pressing plate 2, wherein the lower placement seat 1 comprises a placement plate 10 and a bottom plate 12; the bottom surface of the placement plate 10 is connected to the top surface of the bottom plate 12 via a connecting rod 11;

[0025] like Figure 2 As shown, a placement groove 100 for placing a capacitive touch circuit membrane is provided on the top surface of the placement board 10; a signal adapter board is provided at a portion 1002 corresponding to the placement groove 100 and the output interface of the capacitive touch circuit membrane, and a signal output connector is installed on the placement board 10, and the signal output connector is electrically connected to the signal adapter board through a signal connection line;

[0026] The upper pressing plate 2 is located above the placement plate 10, and a first pressing portion 20 is provided at the bottom surface of the upper pressing plate 2 and the corresponding portion of the signal transfer plate, and a second pressing portion 21 is provided at the bottom surface of the upper pressing plate 2 and the corresponding portion of the area 1001 where the buttons of the capacitive touch circuit membrane are placed in the placement groove 100.

[0027] During the actual test, the capacitive touch circuit membrane is placed into the placement groove 100 of the placement plate 10, and then the upper pressing plate 2 is pressed down. In this way, the first pressing part 20 on the upper pressing plate 2 will press the output interface of the capacitive touch circuit membrane onto the signal adapter board, and the second pressing part 21 will press the button of the capacitive touch circuit membrane for testing, thereby eliminating the need for manual positioning and improving the test efficiency.

[0028] Specifically, in this embodiment, the signal output connector is a horn output connector, through which the capacitive touch circuit membrane is connected to the test equipment, so as to transmit the signal. Figure 1-3 The signal output connector is not marked, but it is clear to those skilled in the art that the signal output connector is provided on the placement board 10 and connected to the signal adapter board using a connecting wire.

[0029] Specifically, in this embodiment, the bottom surface of the placement plate 10 is connected to the top surface of the bottom plate 12 through four connecting rods 11. The four connecting rods 11 are distributed in a rectangular shape on the placement plate 10. Figure 2 In the figure, four mounting holes 101 are provided on the placement plate 10, and mounting screws are provided in the mounting holes 101 to connect with the connecting rod 11.

[0030] Specifically, in this embodiment, in order to facilitate the taking of the capacitive touch circuit film, Figure 2 In the embodiment, an opening 1004 is provided at the rear side of an area 1001 where the button of the capacitive touch circuit membrane is placed in the placement groove 100 .

[0031] Specifically, in this embodiment, the thickness of the placement groove 100 can be set according to actual needs. Exemplarily, the thickness of the placement groove 100 is 3 mm.

[0032] Specifically, in this embodiment, since the first pressing part 20 and the second pressing part 21 need to press the capacitive touch circuit membrane, in order to avoid the first pressing part 20 and the second pressing part 21 damaging the surface of the capacitive touch circuit membrane during the pressing process, the first pressing part 20 and the second pressing part 21 are both foam.

[0033] Specifically, in this embodiment, in order to make the key value test of the capacitive touch circuit membrane more accurate and improve the test stability, the area 1001 where the key of the capacitive touch circuit membrane is placed in the placement slot 100 is placed with a PCB board 5, and the schematic diagram of the PCB board 5 is as shown in FIG. Figure 3 As shown, copper sheets 50 corresponding to the keys of the capacitive touch circuit membrane are provided on the PCB board 5 , and each copper sheet 50 is electrically connected to a grounding point 52 on the PCB board 5 through a copper wire 51 .

[0034] In order to ensure the position accuracy of the upper pressing plate 2 when pressing down, Figure 2 As shown, two positioning holes 102 are provided on both sides of the placement plate 10, and a positioning column 22 matching each positioning hole 102 is provided on the bottom surface of the upper pressing plate 2. In some embodiments, the number of the positioning holes 102 is not limited to two, and can be set according to actual needs, for example, four.

[0035] Specifically, in this embodiment, Figure 1 As shown, the top surface of the upper pressing plate 2 is connected to the upper connecting plate 4 through the upper connecting rod 3, and the top surface of the upper connecting plate 4 is electrically connected to the lifting end of the lifting device. In actual use, the upper connecting plate 4 is driven to move up and down by the lifting device, thereby driving the first pressing part 20, the second pressing part 21 and the positioning column 22 to move up and down. The lifting device can be a cylinder.

[0036] Since the output interface of the capacitive touch circuit membrane includes a first output interface and a second output interface, the first output interface and the second output interface are arranged at intervals, that is, there is a gap between the two. In order to facilitate the positioning of the capacitive touch circuit membrane, in this embodiment, a positioning block 1003 is provided at a portion of the placement groove 10 corresponding to the gap of the output interface of the capacitive touch circuit membrane. In actual use, the output interface of the capacitive touch circuit membrane can be positioned by allowing the gap of the output interface of the capacitive touch circuit membrane to be stuck on the positioning block 1003.

[0037] In summary, the present invention places the capacitive touch circuit membrane into the placement groove 100 of the placement plate 10, and then presses the upper pressing plate 2 downward, so that the first pressing portion 20 on the upper pressing plate 2 presses the output interface of the capacitive touch circuit membrane onto the signal adapter board, and the second pressing portion 21 presses the button of the capacitive touch circuit membrane for testing, thereby eliminating the need for manual positioning, thereby improving the test efficiency;

[0038] In addition, a PCB board 5 is placed in the area 1001 where the keys of the capacitive touch circuit membrane are placed in the placement groove 100, and copper sheets 50 corresponding to the keys of the capacitive touch circuit membrane are provided on the PCB board 5, and each copper sheet 50 is electrically connected to a grounding point 52 on the PCB board 5 through a copper wire 51, so that the key value test of the capacitive touch circuit membrane can be more accurate and the test can be more stable during the test.

[0039] The above is based on the enlightenment of this utility model. Through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of ​​this utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A fixture for testing the performance of a capacitive touch circuit membrane, characterized in that: It comprises a lower placement seat (1) and an upper pressing plate (2), wherein the lower placement seat (1) comprises a placement plate (10) and a bottom plate (12); The bottom surface of the placement plate (10) is connected to the top surface of the bottom plate (12) via a connecting rod (11), and the top surface of the placement plate (10) is provided with a placement groove (100) for placing a capacitive touch circuit film; A signal adapter board is provided at the corresponding part of the placement slot (100) and the output interface of the capacitive touch circuit membrane, and a signal output connector is installed on the placement board (10), and the signal output connector is electrically connected to the signal adapter board via a signal connection line; The upper pressing plate (2) is located above the placement plate (10), and a first pressing portion (20) is provided at the bottom surface of the upper pressing plate (2) and a corresponding portion of the signal transfer plate, and a second pressing portion (21) is provided at the bottom surface of the upper pressing plate (2) and a corresponding portion of an area of ​​the placement groove (100) where a button of a capacitive touch circuit membrane is placed.

2. A jig for testing the performance of a capacitive touch circuit membrane according to claim 1, characterized in that: The signal output connector is a horn output connector.

3. The jig for testing the performance of a capacitive touch circuit membrane according to claim 1, characterized in that: The bottom surface of the placement plate (10) is connected to the top surface of the bottom plate (12) via four connecting rods (11).

4. The jig for testing the performance of a capacitive touch circuit membrane according to claim 3, characterized in that: Four connecting rods (11) are distributed in a rectangular shape on the placement plate (10).

5. The jig for testing the performance of a capacitive touch circuit membrane according to claim 1, characterized in that: An opening (1004) is provided at the rear side of the area of ​​the placement groove (100) where the button (1001) of the capacitive touch circuit membrane is placed.

6. The jig for testing the performance of a capacitive touch circuit membrane according to claim 1, characterized in that: A PCB board (5) is placed in an area of ​​the placement groove (100) for placing the keys (1001) of the capacitive touch circuit membrane, and copper sheets (50) corresponding to the keys of the capacitive touch circuit membrane are provided on the PCB board (5), and each copper sheet (50) is electrically connected to a grounding point (52) on the PCB board (5) via a copper wire (51).

7. The jig for testing the performance of a capacitive touch circuit membrane according to claim 1, characterized in that: At least one positioning hole (102) is provided on the placement plate (10), and a positioning column (22) matching each positioning hole (102) is provided on the bottom surface of the upper pressing plate (2).

8. The jig for testing the performance of a capacitive touch circuit membrane according to claim 7, characterized in that: The positioning holes (102) are respectively formed on both sides of the placement plate (10).

9. The jig for testing the performance of a capacitive touch circuit membrane according to claim 1, characterized in that: The top surface of the upper pressing plate (2) is connected to the upper connecting plate (4) via an upper connecting rod (3), and the top surface of the upper connecting plate (4) is electrically connected to the lifting end of the lifting device.

10. The jig for testing the performance of a capacitive touch circuit membrane according to claim 1, characterized in that: A positioning block (1003) is provided at a portion of the placement groove (100) corresponding to the notch of the output interface of the capacitive touch circuit membrane.

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