CN219842253U - Jig for bending test of FPC - Google Patents
Jig for bending test of FPC Download PDFInfo
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- CN219842253U CN219842253U CN202320676158.5U CN202320676158U CN219842253U CN 219842253 U CN219842253 U CN 219842253U CN 202320676158 U CN202320676158 U CN 202320676158U CN 219842253 U CN219842253 U CN 219842253U
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 238000005452 bending Methods 0.000 title claims abstract description 29
- 238000009413 insulation Methods 0.000 claims abstract description 4
- 239000004568 cement Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 8
- XOMKZKJEJBZBJJ-UHFFFAOYSA-N 1,2-dichloro-3-phenylbenzene Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1Cl XOMKZKJEJBZBJJ-UHFFFAOYSA-N 0.000 description 4
- 241000234295 Musa Species 0.000 description 3
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides a jig for FPC bending test, which comprises a semicircular column-shaped insulating main body and a vacuum cavity formed at the front end of the insulating main body; the vacuum cavity is formed by a detachable groove cover covered on the insulating main body and the front end surface of the insulating main body, an arc-shaped placing surface suitable for bending and jointing of the FPC is correspondingly formed on the front end surface of the vacuum cavity, a plurality of suction holes are correspondingly formed in the arc-shaped placing surface, the suction holes adsorb the FPC on the arc-shaped placing surface in a negative pressure mode, and the FPC is integrally bent, jointed and fixed on the arc-shaped placing surface; the insulation main body is provided with a test circuit, the test circuit comprises a PCB and a terminal piece electrically connected with the PCB, the terminal piece is electrically connected to the FPC on the arc-shaped placing surface in an inserting mode, and the test circuit is used for detecting whether the bent FPC can work normally or not after power is supplied, and can effectively avoid leakage detection.
Description
Technical Field
The utility model relates to the technical field of detection jigs, in particular to a jig for bending test of an FPC.
Background
The dead lamp can appear in the backlight production process of the LED, and the dead lamp has to prevent the fatal defects in the production and manufacture process, so that the occurrence of the defects is avoided. In order to prevent the occurrence of the lamp-dead phenomenon, the reliability test is required to be carried out on the FPC supplied material attached with the LEDs, the traditional means is that the FPC is bent on a circular tube and then taken down to be lighted to see whether the lamp-dead phenomenon exists, and the test method can not directly light and detect the bent FPC, so that the problem of missed detection is easy to occur. In particular, the angle ratio that buckles out relies on operating personnel's level, is difficult to satisfy the detection requirement, and the operation is inconvenient, is difficult to carry out standardized, portable bending test.
Disclosure of Invention
Accordingly, an objective of the present utility model is to provide a fixture for bending test of FPC to solve the above-mentioned problems.
The utility model adopts the following scheme:
the utility model provides a jig for FPC bending test, which comprises a semicircular column-shaped insulating main body and a vacuum cavity formed at the front end of the insulating main body; the vacuum cavity is formed by a detachable groove cover covered on the insulating main body and the front end surface of the insulating main body, an arc-shaped placing surface suitable for bending and jointing of the FPC is correspondingly formed on the front end surface of the vacuum cavity, a plurality of suction holes are correspondingly formed in the arc-shaped placing surface, the suction holes adsorb the FPC on the arc-shaped placing surface in a negative pressure mode, and the FPC is integrally bent, jointed and fixed on the arc-shaped placing surface; the insulation main body is provided with a test circuit, the test circuit comprises a PCB and a terminal piece electrically connected with the PCB, and the terminal piece is electrically connected to the FPC on the arc-shaped placing surface in an inserting mode and used for detecting whether the bent FPC can work normally or not after power is supplied.
As a further improvement, the terminal piece is provided with a positive electrode and a negative electrode, and the positive electrode and the negative electrode are respectively connected to the conductive contact pieces of the FPC in an aligned manner, and a power-on loop is correspondingly formed.
As a further improvement, the FPC is provided with an LED, and the LED is upwards arranged on the front surface of the FPC and is visually displayed to a user after the test circuit is electrified.
As a further improvement, the test circuit further includes a cement resistor disposed on the power-on circuit for reducing the voltage output to the FPC.
As a further improvement, a terminal cover is provided at the rear end of the insulating body, and the terminal cover is used for externally connecting a power supply to be electrically connected to the PCB board.
As a further improvement, the insulating main body is internally provided with a groove along the direction of the central line, the PCB is arranged in the groove, and the lead wires of the PCB are connected with a terminal piece with an anode and a terminal piece with a cathode, and the two terminal pieces extend into the vacuum cavity and are used for being in contact fit with the FPC.
As a further improvement, the insulating main body is provided with an air guide channel communicated with the vacuum cavity, and the air guide channel is correspondingly provided with an interface externally connected with a vacuum air source at the rear end of the insulating main body.
As a further improvement, the outer periphery of the insulating body is composed of a bottom surface of the lower end and a semicircular arc surface of the upper end, and front and rear semicircular end surfaces, and the bottom surface is adapted to lay the entire insulating body flat in an external environment.
By adopting the technical scheme, the utility model can obtain the following technical effects:
according to the jig for bending test of the FPC, the arc-shaped placing surface of the insulating main body is arranged in the vacuum cavity, the FPC is adsorbed and fixed correspondingly through the suction holes formed in the placing surface, so that the FPC is bent and stuck on the arc-shaped placing surface, effective bending operation is performed, the FPC is connected and electrified through the test circuit, and therefore power is supplied to the FPC to directly perform LED lighting detection on the bent FPC, whether the FPC can work normally or not can be rapidly and conveniently detected intuitively, and the occurrence of missing detection can be effectively avoided.
Drawings
FIG. 1 is a schematic structural diagram of a jig for bending test of FPC according to an embodiment, wherein a perspective process is further performed for convenience of display;
FIG. 2 is a schematic view of the structure of FIG. 1 at other viewing angles;
fig. 3 is a schematic structural diagram of a fixture for FPC bending test according to an embodiment.
Icon: 1-an insulating body; 2-a vacuum chamber; 3-groove cover; 4-sucking holes; 5-a PCB board; 6-terminal pieces; 7-a terminal cover; 8-an air guide channel; 9-arc placement surface.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1 to 3, the present embodiment provides a jig for bending test of FPC, which includes an insulating body 1 having a semi-cylindrical shape, and a vacuum chamber 2 formed at the front end of the insulating body 1. The vacuum cavity 2 is formed by a detachable cover closing the groove cover 3 of the insulating main body 1 and the front end face of the insulating main body 1, the vacuum cavity 2 correspondingly forms an arc-shaped placing surface 9 suitable for bending and attaching of the FPC on the front end face, the arc-shaped placing surface 9 correspondingly is provided with a plurality of suction holes 4, the suction holes 4 adsorb the FPC on the arc-shaped placing surface 9 in a negative pressure mode, and the FPC is integrally bent, attached and fixed on the arc-shaped placing surface 9. The insulation main body 1 is configured with a test circuit, the test circuit comprises a PCB 5 and a terminal piece 6 electrically connected with the PCB 5, and the terminal piece 6 is electrically plugged into the FPC on the arc-shaped placing surface 9 and used for detecting whether the bent FPC can work normally after power is supplied.
The fixture for bending test of the FPC adopts the arc-shaped placing surface 9 configured in the vacuum cavity 2 of the insulating main body 1, and the FPC is correspondingly adsorbed and fixed through the suction holes 4 formed in the placing surface, so that the FPC is bent and pasted on the arc-shaped placing surface 9, the FPC is subjected to effective bending operation, the FPC is connected and electrified through the test circuit, the power is supplied to the FPC, the FPC after bending is directly subjected to LED lighting detection, whether the FPC can normally work or not can be rapidly and conveniently detected visually, and the occurrence of missing detection can be effectively avoided.
In this embodiment, the terminal member 6 is provided with a positive electrode and a negative electrode, and the positive electrode and the negative electrode are respectively connected to the conductive contacts of the FPC in an aligned manner, so as to form a power-on circuit correspondingly. It should be mentioned that the FPC is provided with an LED, and the LED is disposed upward on the front surface of the FPC, which corresponds to visual display to the user after the test circuit is powered on. Obviously, the insulating main body 1 is made of insulating antistatic materials, so that the damage of the FPC and the LEDs caused by static electricity is avoided. In addition, the slot cover 3 is also made of an insulating material, and is made of a transparent material with the insulating main body 1, so that the user can observe the lighting of the FPC directly. And the power-on circuit formed by connecting the test circuit with the FPC is not limited herein.
It will be appreciated that the test circuit also includes a cement resistor (not shown) disposed on the power-on circuit for reducing the voltage output to the FPC. The resistor is added in the circuit, so that the voltage of the electric appliance (the LED on the FPC) can be reduced, the power is reduced, and the burning of the LED caused by the ignition and spark generation is avoided.
As shown in fig. 1 and 2, in the present embodiment, a terminal cover 7 is disposed at the rear end of the insulating body 1, and the terminal cover 7 is used for externally connecting a power source to the PCB board 5. Wherein, be equipped with the hole of external rubber plug on the binding post lid 7, rubber plug inserts in the hole and corresponds in with external power transmission to PCB board 5.
Specifically, a groove is formed in the insulating main body 1 along the central line direction, the PCB board 5 is mounted in the groove, the PCB board 5 is connected with a terminal piece 6 with a positive electrode and a terminal piece 6 with a negative electrode through wires, and the two terminal pieces 6 extend into the vacuum cavity 2 for contact fit with the FPC. Therefore, the conductive contact piece arranged on the FPC is a golden finger, and the golden finger is in contact connection with the anode and the cathode to correspondingly form a circuit.
Further, the insulating main body 1 is provided with an air guide channel 8 communicated with the vacuum cavity 2, and the air guide channel 8 is correspondingly provided with an interface externally connected with a vacuum air source at the rear end of the insulating main body 1. On the one hand, the vacuum cavity 2 is vacuumized, so that a better testing environment of the FPC is ensured. On the other hand, a plurality of suction holes 4 are regularly arranged on the arc-shaped placing surface 9, and the suction holes 4 are connected with the vacuum cavity 2, and the suction holes 4 are subjected to negative pressure so as to adsorb and limit the FPC, wherein the negative pressure is in the form of the prior art, and the description is omitted here.
The outer circumference of the insulating body 1 is composed of a bottom surface of the lower end, a semicircular arc surface of the upper end, and front and rear semicircular end surfaces, and the bottom surface is adapted to lay the entire insulating body 1 flat in the external environment. Therefore, the insulating main body 1 which is horizontally arranged correspondingly performs bending test of the FPC on the front side, and correspondingly inserts the power supply and the air source on the rear side, so that reasonable layout of the whole machine is improved.
The working mode of the jig for bending test of the FPC in the embodiment is as follows:
when the LED lamp is used, the banana plug with the power supply is connected into the hole to be electrically connected to the PCB 5, and a high-power cement resistor is connected in series between the positive electrode of the PCB 5 and the positive electrode of the banana plug, so that the LED lamp is prevented from being burnt out due to spark generated by lighting. And the high-power cement resistor is placed in the hole groove of the wiring terminal cover 7, an external power supply is directly connected to the banana plug, and a vacuum air source is connected to the interface, so that the vacuumizing operation of the vacuum cavity 2 is correspondingly carried out. On the arc-shaped placing surface 9 where the FPC to be tested is placed, the surface with the LEDs faces upwards, the FPC is bent to enable the FPC to be completely adsorbed on the arc-shaped placing surface 9 by the suction holes 4, the positive electrode and the negative electrode of the golden finger are aligned with the positive electrode and the negative electrode of the terminal piece 6, the FPC is electrified to be lightened, and after the FPC is bent, the phenomenon of lamp death or partial lamp death can occur if the FPC is abnormal, so that the yield of the FPC is rapidly and effectively tested.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model.
Claims (8)
1. The jig for bending test of the FPC is characterized by comprising a semicircular column-shaped insulating main body and a vacuum cavity formed at the front end of the insulating main body; the vacuum cavity is formed by a detachable groove cover covered on the insulating main body and the front end surface of the insulating main body, an arc-shaped placing surface suitable for bending and jointing of the FPC is correspondingly formed on the front end surface of the vacuum cavity, a plurality of suction holes are correspondingly formed in the arc-shaped placing surface, the suction holes adsorb the FPC on the arc-shaped placing surface in a negative pressure mode, and the FPC is integrally bent, jointed and fixed on the arc-shaped placing surface; the insulation main body is provided with a test circuit, the test circuit comprises a PCB and a terminal piece electrically connected with the PCB, and the terminal piece is electrically connected to the FPC on the arc-shaped placing surface in an inserting mode and used for detecting whether the bent FPC can work normally or not after power is supplied.
2. The jig for bending test of FPC according to claim 1, wherein the terminal member is provided with a positive electrode and a negative electrode, the positive electrode and the negative electrode are respectively connected to the conductive contacts of the FPC in alignment, and a power-on circuit is correspondingly formed.
3. The jig for bending test of the FPC according to claim 2, wherein the FPC is provided with an LED, the LED is arranged on the front surface of the FPC upwards, and the LED is visually displayed to a user after the test circuit is electrified.
4. The fixture for testing bending of an FPC of claim 2, wherein said test circuit further comprises a cement resistor disposed on the power-on circuit for reducing a voltage output to the FPC.
5. The jig for bending test of FPC according to claim 4, wherein a terminal cover is provided at a rear end of the insulating body, the terminal cover being for externally connecting a power supply to an electrical connection to the PCB board.
6. The jig for bending test of FPC according to claim 2, wherein the insulating body is internally provided with a groove along the direction of the center line, the PCB board is mounted in the groove, and the PCB board leads are connected to a terminal member with a positive electrode and a terminal member with a negative electrode, and the two terminal members extend into the vacuum chamber for contact fit with the FPC.
7. The jig for bending test of FPC according to claim 1, wherein the insulating main body is provided with an air guide channel communicated with the vacuum cavity, and the air guide channel is correspondingly provided with an interface externally connected with a vacuum air source at the rear end of the insulating main body.
8. The jig for FPC bending test according to claim 1, wherein the outer periphery of the insulating body is composed of a bottom surface of a lower end and a semicircular arc surface of an upper end, and front and rear semicircular end surfaces, and the bottom surface is adapted to lay the entire insulating body flat in an external environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320676158.5U CN219842253U (en) | 2023-03-30 | 2023-03-30 | Jig for bending test of FPC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320676158.5U CN219842253U (en) | 2023-03-30 | 2023-03-30 | Jig for bending test of FPC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219842253U true CN219842253U (en) | 2023-10-17 |
Family
ID=88304458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320676158.5U Active CN219842253U (en) | 2023-03-30 | 2023-03-30 | Jig for bending test of FPC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219842253U (en) |
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2023
- 2023-03-30 CN CN202320676158.5U patent/CN219842253U/en active Active
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