CN211453915U

CN211453915U - Device for testing on-off of FFC

Info

Publication number: CN211453915U
Application number: CN202020045726.8U
Authority: CN
Inventors: 曲进丽; 徐海峰
Original assignee: Shandong Hualing Electronics Co Ltd
Current assignee: Shandong Hualing Electronics Co Ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-09-08
Anticipated expiration: 2030-01-10

Abstract

The utility model provides a device for testing FFC break-make, including the bottom plate, be equipped with the fixing base on the bottom plate, the fixing base includes fixed plate and two curb plates, and the fixed plate is fixed on the bottom plate, and two curb plates are relative to be set up on the fixed plate, are fixed with FFC test cable on the fixed plate, and the contact of FFC test cable is up; the FFC testing device comprises a base plate, a connecting plate, a cylinder, a pressure head, a cable connector and a cable connector, wherein the bottom plate is further fixedly provided with a support, the support is connected with; the device further comprises a detection circuit, the detection circuit is connected with the cable for the FFC test, the detection circuit further comprises a wiring terminal, the wiring terminal is used for connecting the FFC to be tested to the detection circuit, and the on-off of the FFC to be tested is tested through the detection circuit. The device can test the on-off of the FFC, can prevent the FFC from being bent and damaged, and enables the metal exposed part on the surface of the FFC not to be damaged in the test process.

Description

Device for testing on-off of FFC

Technical Field

The utility model relates to a testing arrangement technical field especially relates to a device for testing FFC break-make.

Background

FFC (flexible Flat Cable) flexible Flat cable is one kind and uses PET insulating material and extremely thin tin-plated Flat copper line, the novel data cable that forms through the pressfitting of high-tech automation equipment production line, has advantages such as softness, bending folding at will, thickness are thin, small, connect simple, dismantle the convenience, solve electromagnetic shield (EMI) easily.

The FFC is a cable used for connecting a special electrical product, and after the cable is welded on the electrical product, the welding effect needs to be detected so as to ensure that an electrical signal can be well transmitted. In the prior art, the detection is usually performed manually by inserting the FFC to be detected into the detection head 1 as shown in fig. 1-2, and then switching on the detection circuit, which is shown in fig. 2, when the corresponding light emitting diode is turned on, it means that the corresponding line is on, otherwise, it means that the line is off. The above detection method has the following disadvantages:

(1) according to the detection mode, when the FFC to be detected is plugged and pulled manually, due to the fact that the contact of the detection head is tight, plugging and pulling are difficult.

(2) Because the thickness of the FFC to be tested is only less than 1mm and the FFC to be tested consists of the insulating film and the metal sheet, the FFC to be tested is easily bent and damaged in the plugging and unplugging process.

(3) After the metal exposed part on the surface of the FFC to be tested is inserted and pulled out, scratches and even damages are easily left.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the prior art, the utility model provides a device for testing FFC break-make to when can testing the FFC break-make, can also prevent that FFC from bending the damage, and make the FFC surface metal that awaits measuring expose the part and not damaged at the in-process of test.

In order to achieve the above object, the utility model provides a device for testing FFC break-make, including the bottom plate, the bottom plate is used for fixing the device for testing FFC break-make, is equipped with the fixing base on the bottom plate, the fixing base includes fixed plate and two curb plates, the fixed plate is fixed on the bottom plate, two curb plates relative settings are on the fixed plate, be fixed with FFC test cable on the fixed plate, the contact of FFC test cable is up; the FFC testing device comprises a base plate, a connecting plate, a cylinder, a pressure head, a cable and a connector, wherein the bottom plate is fixedly provided with a support, the support is connected with the connecting plate, the lower surface of the connecting plate is provided with the cylinder, the telescopic end of the cylinder is connected with the pressure head, and when the cylinder acts, the pressure head presses downwards to enable a contact of an FFC to be tested to be in contact with the contact of the;

the device for testing the on-off of the FFC further comprises a detection circuit, the detection circuit is connected with a cable for the FFC test, the detection circuit further comprises a wiring terminal, the wiring terminal is used for connecting the FFC to be tested to the detection circuit, and the on-off of the FFC to be tested is tested through the detection circuit.

Preferably, the inner walls of the two side plates are correspondingly provided with guide grooves, the contact of the cable for the FFC test is positioned between the two guide grooves, and when the air cylinder acts, the pressure head can be arranged in a space formed by the two guide grooves and the fixing plate.

Preferably, a blocking column is further arranged between the two side plates, the blocking column and the guide groove are sequentially arranged along the inserting direction of the FFC to be tested, the minimum distance between the upper surface of the fixing plate and the blocking column is D, D is more than D and less than 2D, and D represents the thickness of the FFC to be tested.

The beneficial effects of this scheme lie in that above-mentioned device that is used for testing FFC break-make can also prevent FFC bending damage when can testing the FFC break-make to and make the FFC surface metal exposed part that awaits measuring not damaged at the in-process of test.

Drawings

Fig. 1 shows a schematic structure of a device for testing the on/off of an FFC in the prior art.

Fig. 2 shows a schematic circuit diagram of a prior art detection circuit for testing the switching of an FFC.

Fig. 3 shows a schematic structural diagram of the device for testing the on-off of the FFC according to the present invention.

Fig. 4 shows a partial structural schematic of fig. 3.

Reference numerals: the method comprises the following steps of 1-detecting head, 2-FFC to be detected, 3-connecting plate, 4-bracket, 5-cylinder, 6-cable for FFC test, 7-pressure head, 8-fixing seat, 9-bumping post, 10-bottom plate and 11-guide groove.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 3-4, the device for testing the on-off of an FFC according to the present invention includes a bottom plate 10, the bottom plate 10 is used to fix the device for testing the on-off of an FFC, for example, the bottom plate 10 is connected to other related devices, a fixing base 8 is disposed on the bottom plate 10, the fixing base 8 includes a fixing plate and two side plates, the fixing plate is fixed on the bottom plate 10, the two side plates are oppositely disposed on the fixing plate, guide grooves 11 are correspondingly disposed on the inner walls of the two side plates, a stop pillar 9 is further disposed between the two side plates, a minimum distance between an upper surface of the fixing plate and the stop pillar 9 is D, D < 2D, where D represents a thickness of an FFC2 to be tested, that is, a gap between the upper surface of the fixing plate and the stop pillar 9 only allows one FFC2 to be tested to pass through, the stop pillar 9 and the guide groove 11 are sequentially disposed along an insertion direction of the FFC2 to be, a cable 6 for FFC test is fixed on the fixing plate, a contact of the cable 6 for FFC test faces upwards, and the contact of the cable 6 for FFC test is positioned between the two guide grooves 11; the FFC testing device is characterized in that a support 4 is further fixed on the bottom plate 10, the support 4 is connected with a connecting plate 3, a cylinder 5 is arranged on the lower surface of the connecting plate 3, a telescopic end of the cylinder 5 is connected with a pressure head 7, and when the cylinder 5 acts, the pressure head 7 can be arranged in a space formed by the two guide grooves 11 and the fixing plate, so that a contact (namely, a metal exposed part on the surface of the FFC to be tested) of the FFC2 to be tested is in contact with a contact of the cable 6 for the FFC testing.

The device for testing the on-off of the FFC further comprises a detection circuit, the FFC2 to be tested and the cable 6 for the FFC test are both connected in the detection circuit to form a loop, and the on-off of the FFC2 to be tested is tested through the detection circuit. The specific detection circuit can be a detection circuit in the prior art, as shown in fig. 2.

In a specific using process, firstly, the FFC2 to be tested is welded on an electrical product, the electrical product is connected into a detection circuit, then, a contact of the FFC2 to be tested faces downwards, then, the FFC2 to be tested is inserted into a gap between a fixing plate and a blocking column 9 until the contact of the FFC2 to be tested is in one-to-one correspondence with the contact of the cable 6 for FFC test, then, the air cylinder 5 is controlled to act, the pressure head 7 is pressed downwards until the contact of the FFC2 to be tested is in contact with the contact of the cable 6 for FFC test, and then, the detection circuit is used for testing the on-off of the FFC2 to be tested.

The utility model relates to a device for testing FFC break-make can also prevent FFC bending damage when can testing the FFC break-make to and make the FFC surface metal exposed part that awaits measuring not damaged at the in-process of test.

Claims

1. An apparatus for testing the on-off of an FFC, comprising: the FFC testing device comprises a bottom plate, wherein the bottom plate is used for fixing the FFC testing device, a fixed seat is arranged on the bottom plate and comprises a fixed plate and two side plates, the fixed plate is fixed on the bottom plate, the two side plates are oppositely arranged on the fixed plate, a cable for FFC testing is fixed on the fixed plate, and a contact of the cable for FFC testing faces upwards; the FFC testing device comprises a base plate, a connecting plate, a cylinder, a pressure head, a cable and a connector, wherein the bottom plate is fixedly provided with a support, the support is connected with the connecting plate, the lower surface of the connecting plate is provided with the cylinder, the telescopic end of the cylinder is connected with the pressure head, and when the cylinder acts, the pressure head presses downwards to enable a contact of an FFC to be tested to be in contact with the contact of the;

2. The apparatus of claim 1 for testing the on/off of an FFC, wherein: the inner walls of the two side plates are correspondingly provided with guide grooves, the contact of the cable for the FFC test is positioned between the two guide grooves, and when the air cylinder acts, the pressure head can be arranged in a space formed by the two guide grooves and the fixing plate.

3. The apparatus of claim 2 for testing the on/off of an FFC, wherein: and a blocking column is further arranged between the two side plates, the blocking column and the guide groove are sequentially arranged along the inserting direction of the FFC to be detected, the minimum distance between the upper surface of the fixing plate and the blocking column is D, D is more than D and less than 2D, and D represents the thickness of the FFC to be detected.