CN219085081U - FPC test equipment - Google Patents

Abstract

The utility model belongs to the technical field of circuit board testing, and discloses FPC testing equipment. The FPC testing equipment comprises a testing base, a bearing plate, a switching plate, a digital bridge and a main board, wherein the bearing plate is arranged on the testing base and is used for mounting an FPC to be tested, the FPC to be tested comprises a plurality of first ports and a plurality of second ports, and the first ports and the second ports are arranged in one-to-one correspondence; the switching plate is arranged on the test base and is electrically connected with the first port and the second port respectively; the digital bridge is electrically connected with the switching plate; the main board is electrically connected with the switching board and the digital bridge respectively, and the main board can control the switching board to be electrically connected with the first port and the second port in sequence selectively, so that the digital bridge, the FPC to be tested and the switching board form an electrical loop for testing. The FPC test equipment can be sequentially communicated with each pair of ports of the FPC to be tested, so that automatic switching of a test channel is realized, the test efficiency is greatly improved, and the time cost and the labor cost of the test are reduced.

Description

FPC test equipment

Technical Field

The utility model relates to the technical field of circuit board testing, in particular to FPC testing equipment.

Background

A flexible circuit board (Flexible Printed Circuit, FPC), also called a flexible circuit board, is a printed circuit with high reliability and excellent flexibility, which is made of a polyester film or polyimide as a base material, and a flexible circuit is formed by embedding a large number of precision elements in a narrow and limited space by embedding circuit designs on a flexible thin plastic sheet. The circuit can be bent and folded at will, and is favored by the excellent characteristics of light weight, small volume, good heat dissipation, convenient installation and the like, thus breaking through the traditional interconnection technology.

Due to the rapid development of FPC technology, rapid and efficient inspection of FPCs is becoming an important issue in related research. In the prior art, the quality detection of the FPC also mainly relies on the wiring of manually plugging an LCR (Inductance, resistance, capacitance) digital bridge to test the performance of the FPC, and when the FPC has a plurality of plugging ports, the wiring of the LCR digital bridge needs to be manually plugged and unplugged repeatedly, so that the cost is high and the efficiency is low. With rapid development of the electronic industry, circuit board designs tend to be high-precision and high-density, and the traditional manual detection method cannot meet the production requirements.

Therefore, there is a need to provide an FPC testing apparatus to solve the technical problem of low manual testing efficiency of FPCs in the prior art.

Disclosure of Invention

The utility model aims to provide FPC testing equipment which can automatically switch the connection loop of a digital bridge, and sequentially test a plurality of ports of an FPC to be tested, so that the testing efficiency is improved.

To achieve the purpose, the utility model adopts the following technical scheme:

the FPC testing equipment comprises a testing base, a bearing plate, a switching plate, a digital bridge and a main board, wherein the bearing plate is arranged on the testing base and is used for mounting an FPC to be tested, the FPC to be tested comprises a plurality of first ports and a plurality of second ports, and the first ports and the second ports are arranged in one-to-one correspondence; the switching plate is arranged on the test base and is electrically connected with the first port and the second port respectively; the digital bridge is electrically connected with the switching board; the main board is electrically connected with the switching board and the digital bridge respectively, and the main board can control the switching board to be sequentially and selectively electrically connected with the first port and the second port, so that the digital bridge, the FPC to be tested and the switching board form an electrical circuit for testing.

Optionally, the FPC testing apparatus further includes an upper pressing plate, on which a plurality of probes corresponding to the first port and the second port are mounted, and the upper pressing plate is slidably connected to the testing base, and each of the probes can be electrically connected to the first port and the switching plate in a one-to-one correspondence manner or electrically connected to the second port and the switching plate in a one-to-one correspondence manner.

Optionally, the FPC testing apparatus further includes a driving member mounted on the testing base, the main board is electrically connected to the driving member, and an output end of the driving member is drivingly connected to the upper pressing plate.

Optionally, the driving member is a driving motor or a driving cylinder.

Optionally, a positioning mechanism is further disposed on the carrier board, and the positioning mechanism is used for positioning the FPC to be tested.

Optionally, the FPC testing device further includes a computer electrically connected to the motherboard and configured to receive test data of the digital bridge.

Optionally, the main board includes a memory, and the memory is used for storing test data of the digital bridge and storing setting data of the computer.

Optionally, the memory is a charged erasable programmable read-only memory.

Optionally, the main board is electrically connected with an OK lamp and an NG lamp.

Optionally, the digital bridge has a display screen.

The beneficial effects are that:

the FPC testing equipment is electrically connected with a plurality of first ports and a plurality of second ports of the FPC to be tested through the switching board, the switching board is directly connected with the digital bridge, the main board controls the switching board to be sequentially connected with each first port and the corresponding second port, for example, the switching board is firstly electrically connected with one pair of the first ports and the second ports, so that the digital bridge, the switching board and the FPC to be tested form an electrical loop for testing, and then the main board controls the switching board to switch a testing channel, so that the switching board and the next pair of the first ports and the second ports form a loop, and so on until the FPC to be tested is tested. The FPC test equipment can be sequentially communicated with the port of the FPC to be tested by utilizing the switching plate, so that the automatic switching of the test channel is realized, the digital bridge and the FPC to be tested are not required to be manually reconnected, the test efficiency is greatly improved, the time cost and the labor cost of the test are reduced, and good economic benefits are realized.

Drawings

FIG. 1 is a schematic diagram of an FPC under test according to an embodiment of the present utility model;

fig. 2 is an isometric view of an FPC testing apparatus provided by an embodiment of the present utility model.

In the figure:

10. FPC to be tested; 11. a first port; 12. a second port;

100. a test base; 101. an OK lamp; 102. NG lamps; 200. a carrying plate; 300. a switching board; 400. a main board; 500. a digital bridge; 510. a display screen; 610. an upper press plate; 611. a probe; 620. a driving member.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1, in the present embodiment, the FPC10 to be tested includes five pairs of first ports 11 and second ports 12, and the first ports 11 and the second ports 12 are disposed in one-to-one correspondence. In the manual operation of the digital bridge 500 (in this embodiment, the LCR digital bridge 500), four ports of the digital bridge 500 need to be shorted two by two, and lead wires are used for leading out, and two leads are used, one of the two leads is connected to the first port 11, and the other is connected to the corresponding second port 12, so that five pairs of ports are tested in sequence. The manual test mode is low in efficiency and speed, and greatly influences the production efficiency. The FPC test equipment in the embodiment can utilize multiple channels to test, and each channel is connected successively, so that automatic switching of test channels is realized, and the test efficiency is improved.

Referring to fig. 2, the FPC testing apparatus in the present embodiment includes a test base 100, a carrier board 200, a switching board 300, a digital bridge 500, and a motherboard 400, wherein the carrier board 200 is mounted on the test base 100, the carrier board 200 is used for mounting an FPC10 to be tested, the FPC10 to be tested includes a plurality of first ports 11 and a plurality of second ports 12, and the first ports 11 and the second ports 12 are disposed in one-to-one correspondence; the switching board 300 is mounted on the test base 100, and the switching board 300 is electrically connected to the first port 11 and the second port 12, respectively; the digital bridge 500 is electrically connected to the switching board 300; the main board 400 is electrically connected to the switching board 300 and the digital bridge 500, respectively, and the main board 400 can control the switching board 300 to be electrically connected to the first port 11 and the second port 12 in sequence selectively, so that the digital bridge 500 forms an electrical circuit for testing with the FPC10 to be tested and the switching board 300.

The FPC testing apparatus in this embodiment is electrically connected to the plurality of first ports 11 and the plurality of second ports 12 of the FPC10 to be tested through the switching board 300, the switching board 300 is directly connected to the digital bridge 500, the main board 400 controls the switching board 300 to sequentially connect each first port 11 and the corresponding second port 12, for example, the switching board 300 is electrically connected to one pair of the first ports 11 and the second ports 12 first, so that the digital bridge 500, the switching board 300 and the FPC10 to be tested form an electrical circuit for testing, and then the main board 400 controls the switching board 300 to switch the testing channels, so that the switching board 300 and the next pair of the first ports 11 and the second ports 12 form a circuit, and so on, until the FPC10 to be tested is tested. The FPC test equipment can be sequentially communicated with the port of the FPC10 to be tested by using the switching board 300, so that the automatic switching of a test channel is realized, the digital bridge 500 and the FPC10 to be tested are not required to be manually reconnected, the test efficiency is greatly improved, the time cost and the labor cost of the test are reduced, and good economic benefits are realized.

Optionally, the FPC testing apparatus further includes an upper platen 610, on which a plurality of probes 611 corresponding to the first ports 11 and the second ports 12 are mounted, the upper platen 610 is slidably connected to the test base 100, and the probes 611 can be electrically connected to the first ports 11 and the switching board 300 in a one-to-one correspondence and the second ports 12 and the switching board 300 in a one-to-one correspondence. The probe 611 is used to connect the first port 11 or the second port 12 with the switching board 300, so that the electrical connection between the switching board 300 and the FPC10 to be tested can be quickly realized, and the probe 611 can be respectively mounted in an adaptive manner with the first port 11 and the second port 12 of the FPC10 to be tested, so that the accuracy of testing can be improved.

Specifically, the FPC testing apparatus further includes a driving member 620 mounted on the test base 100, the main board 400 is electrically connected to the driving member 620, and an output end of the driving member 620 is drivingly connected to the upper platen 610. Further, the driving member 620 is a driving motor or a driving cylinder. It is conceivable that a start key, a reset key, a stop key, etc. should be electrically connected to the main board 400, so that the main board 400 is used to control the motion of the driving member 620, and the driving member 620 such as a driving motor or a driving cylinder is used to drive the upper pressing plate 610 to move, so that the automatic connection or disconnection and test of the FPC testing apparatus can be realized, thereby further improving the testing efficiency.

As a preferred embodiment, a positioning mechanism (not shown in the drawing) is further disposed on the carrier 200, and the positioning mechanism is used for positioning the FPC10 to be tested. The positioning mechanism may be a groove formed on the carrier 200 for mounting the FPC10 to be tested, and may be matched with a positioning pin, a positioning hole, etc., which are conventional technical means in the art, and will not be described herein. The positioning mechanism facilitates that the probe 611 can be accurately inserted into the first port 11 or the second port 12 when the upper platen 610 moves up and down, thereby further shortening the setup time for mounting the FPC testing apparatus and improving the testing efficiency.

With continued reference to fig. 2, optionally, the FPC testing apparatus further includes a computer (not shown) electrically connected to the motherboard 400 and configured to receive test data of the digital bridge 500. After receiving the test data output by the digital bridge 500, the computer compares the test data with the set data range of the standard stored in the computer, so as to determine whether the FPC10 to be tested is qualified, wherein a plurality of the set data ranges are provided and correspond to a plurality of ports of the FPC10 to be tested, and the FPC10 to be tested is a qualified product only when the data of each port is within the set data range, otherwise, is an unqualified product.

The main board 400 and the digital bridge 500 are connected in a communication manner so as to control the digital bridge 500 to start and stop testing, for example, after a start key is pressed, the main board 400 controls the driving element 620 to press down, so that the probe 611 connects the switching board 300 to a first path of testing channel of the FPC10 to be tested, then controls the digital bridge 500 to start testing, the main board 400 reads and stores data measured by the digital bridge 500, and then controls the switching board 300 to sequentially switch to a next path of testing channel for testing, so that the test is repeated until the test is completed, and presses a stop key so that the main board 400 issues a stop command, and at the moment, the digital bridge 500 can stop testing.

Preferably, the main board 400 includes a memory (not shown) for storing test data of the digital bridge 500 and setting data of the computer. Further, the memory is an Electrically Erasable Programmable Read Only Memory (EEPROM). The memory can store the data of each FPC10 to be tested after testing, and store the set data range output by the computer, thereby obtaining the qualified data range of the FPC10 to be tested, storing the data range, and even if the mainboard 400 is not connected with the computer, the FPC testing device can still judge whether the FPC10 to be tested under test is qualified or not according to the stored data range, thereby improving the testing efficiency and reducing the equipment cost required by the test.

Optionally, the main board 400 is electrically connected to the OK lamp 101 and the NG lamp 102. In this embodiment, the OK lamp 101 and the NG lamp 102 are both mounted on the test base 100, when each port of the FPC10 to be tested is tested to be qualified, the OK lamp 101 is turned on, the FPC10 to be tested is a qualified product, and the test is completed, and as long as one port is tested to be unqualified, the NG lamp 102 is turned on, and the FPC10 to be tested is an unqualified product. When the FPC10 to be tested is unqualified, the driver 620 is lifted after the reset key is pressed to stop the test, so that an operator can conveniently take down the unqualified FPC10 to be tested, and the operation flow can play a foolproof role.

In this embodiment, the digital bridge 500 has a display 510. The data obtained by the digital bridge 500 can be directly read through the display screen 510, such as the data of the resistance, the capacitance, the inductance, the diode and the like of each pair of ports of the FPC10 to be tested, and an operator can directly judge the data without judging the data through auxiliary equipment such as a computer and the like, so that the application range of the FPC testing equipment is improved.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. An fpc test apparatus, comprising:

   a test base (100);

   the bearing plate (200), the bearing plate (200) is installed on the test base (100), the bearing plate (200) is used for installing an FPC (10) to be tested, the FPC (10) to be tested comprises a plurality of first ports (11) and a plurality of second ports (12), and the first ports (11) and the second ports (12) are arranged in a one-to-one correspondence manner;

   a switch board (300), the switch board (300) being mounted on the test base (100), the switch board (300) being electrically connected to the first port (11) and the second port (12), respectively;

   -a digital bridge (500), said digital bridge (500) being electrically connected to said switching board (300);

   the mainboard (400), mainboard (400) respectively with switch board (300) with digital bridge (500) electricity is connected, just mainboard (400) can control switch board (300) in proper order selectively with first port (11) and second port (12) electricity is connected, so that digital bridge (500) with await measuring FPC (10), switch board (300) form the electrical circuit that is used for the test.
2. 2. The FPC testing apparatus according to claim 1, further comprising an upper platen (610), a plurality of probes (611) corresponding to the first ports (11) and the second ports (12) being mounted on the upper platen (610), the upper platen (610) being slidably connected to the test base (100), each of the probes (611) being capable of electrically connecting the first ports (11) and the switch board (300) in a one-to-one correspondence or electrically connecting the second ports (12) and the switch board (300) in a one-to-one correspondence.
3. 3. The FPC testing apparatus according to claim 2, further comprising a driving member (620) mounted on the test base (100), the main board (400) being electrically connected to the driving member (620), and an output end of the driving member (620) being drivingly connected to the upper platen (610).
4. 4. A FPC testing device according to claim 3, characterized in that the driving member (620) is a driving motor or a driving cylinder.
5. 5. The FPC testing device according to claim 2, characterized in that a positioning mechanism is further provided on the carrier plate (200), said positioning mechanism being used for positioning the FPC (10) to be tested.
6. 6. The FPC testing device according to claim 1, further comprising a computer electrically connected to the motherboard (400) and adapted to receive test data of the digital bridge (500).
7. 7. The FPC test device according to claim 6, wherein the main board (400) includes a memory for storing test data of the digital bridge (500) and storing setting data of the computer.
8. 8. The FPC test device of claim 7, wherein the memory is a charged erasable programmable read only memory.
9. 9. The FPC testing device according to any one of claims 1 to 8, characterized in that the main board (400) is electrically connected with an OK lamp (101) and an NG lamp (102).
10. 10. FPC testing device according to any of claims 1-8, characterized in that the digital bridge (500) has a display screen (510).

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