CN217820703U

CN217820703U - Universal PCBA circuit test platform

Info

Publication number: CN217820703U
Application number: CN202221656598.6U
Authority: CN
Inventors: 王远强; 何鑫
Original assignee: Chengdu Bojay Automation Equipment Co ltd
Current assignee: Chengdu Bojay Automation Equipment Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-15
Anticipated expiration: 2032-06-30

Abstract

The utility model relates to the field of circuit test platforms, in particular to a universal PCBA circuit test platform, which comprises an upper computer, a circuit board test module, a power supply module and a circuit board to be tested; the upper computer is connected with the circuit board testing module through a serial port line, and the upper computer is connected with the power supply module through a serial port line; the circuit board testing module is provided with a copper thimble, and the copper thimble is contacted with the circuit board to be tested. The utility model discloses only need utilize host computer and circuit board test module just can carry out the qualification test of the circuit board that awaits measuring, improved efficiency of software testing and test system's stability greatly, reduced the detection cost simultaneously.

Description

Universal PCBA circuit test platform

Technical Field

The utility model relates to a circuit test platform technical field especially relates to a general PCBA circuit test platform.

Background

After the PCBA circuit board is manufactured, a manufacturer needs to test the circuit board to verify whether the circuit board can work normally. At present, PCBA test solutions for enterprises typically use relatively expensive automatic in-circuit testers (ICT) or connect circuit board contacts in the form of flying leads to test each function or component on the circuit board. However, this inspection method not only requires the inspector to correctly attach the plurality of contacts, but also requires the inspector to operate the corresponding device for inspection and verification according to the characteristics of each function or component. Therefore, the detection process is time-consuming and labor-consuming, and the requirement on the service level of an inspector is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is to the current circuit board test procedure that exists among the background art wastes time and energy and requires higher problem to inspector's business level, provides a general PCBA circuit test platform.

The technical scheme of the utility model: a universal PCBA circuit test platform comprises an upper computer, a circuit board test module, a power supply module and a circuit board to be tested;

the upper computer is connected with the circuit board testing module through a serial port line, and the upper computer is connected with the power supply module through a serial port line; the circuit board testing module is provided with a copper thimble, and the copper thimble is contacted with the circuit board to be tested.

Preferably, the test items of the circuit board test module comprise a voltage test, a current test, a resistance test and a GPIO control channel test.

Preferably, the circuit board testing module is provided with an optical fiber probe, and the optical fiber probe is in surface contact with the light-emitting LED on the circuit board to be tested.

Preferably, the test items of the circuit board test module comprise a voltage test, a current test, a resistance test, an LED brightness test and a GPIO control channel test.

Preferably, the circuit board testing module controls the working state and the current magnitude of the circuit board to be tested through the copper thimble, and the working state comprises the on-off selection and the high-low level state control of the channel of the circuit board to be tested.

Compared with the prior art, the utility model discloses following profitable technological effect has: the upper computer sends a test instruction to the circuit board test module through the serial port line, the circuit board test module controls the working state of a circuit of the circuit board to be tested according to the test instruction and reads the voltage, current, resistance and LED brightness parameters of all test points, the upper computer compares the return parameters of the circuit board test module with the threshold range to judge whether the circuit board to be tested is qualified, if the return parameters are within the set threshold range, the circuit board to be tested is qualified, and if the return parameters exceed the threshold range, the circuit board to be tested is judged to be unqualified. The qualification test of the circuit board to be tested can be carried out only by utilizing the upper computer and the circuit board test module, so that the test efficiency and the stability of a test system are greatly improved, and the detection cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a flow chart of a method for testing a circuit board under test.

Reference numerals: 1. an upper computer; 2. a circuit board test module; 3. a power supply module; 4. and the circuit board to be tested.

Detailed Description

As shown in fig. 1, the utility model provides a general PCBA circuit test platform, which comprises an upper computer 1, a circuit board test module 2, a power module 3 and a circuit board 4 to be tested;

the upper computer 1 is connected with the circuit board testing module 2 through a serial port line, and the upper computer 1 is connected with the power supply module 3 through a serial port line; the circuit board testing module 2 is provided with a copper thimble and an optical fiber probe, the copper thimble is contacted with the circuit board 4 to be tested, and the optical fiber probe is contacted with the surface of the light-emitting LED on the circuit board 4 to be tested. The test items of the circuit board test module 2 comprise a voltage test, a current test, a resistance test, an LED brightness test and a GPIO control channel test. The circuit board testing module 2 controls the working state and the current of the circuit board 4 to be tested through the copper thimble, and the working state comprises the on-off selection and the high-low level state control of the channel of the circuit board 4 to be tested.

In this embodiment, the upper computer 1 sends a test instruction to the circuit board test module 2 through the serial port line, the circuit board test module 2 controls the working state of the circuit board 4 to be tested according to the test instruction and reads the voltage, current, resistance and LED brightness parameters of each test point, the upper computer 1 compares the return parameter of the circuit board test module 2 with the threshold range to determine whether the circuit board 4 to be tested is qualified, if the return parameter is within the set threshold range, the circuit board 4 to be tested is qualified, and if the return parameter exceeds the threshold range, the circuit board 4 to be tested is determined to be unqualified. In the embodiment, the qualification test of the circuit board 4 to be tested can be carried out only by utilizing the upper computer 1 and the circuit board test module 2, so that the test efficiency and the stability of the test system are greatly improved, and the detection cost is reduced.

Example two

As shown in fig. 2, the method for testing a circuit board to be tested based on the embodiment of the universal PCBA circuit test platform includes the following steps:

s1, an upper computer 1 sends a test instruction to a circuit board test module 2 through a serial port line;

s2, the circuit board testing module 2 controls the working state of the circuit board 4 to be tested according to the testing instruction;

s3, reading the voltage, current, resistance and LED brightness parameters of each test point by the circuit board test module 2;

and S4, the upper computer 1 judges whether the circuit board 4 to be tested is qualified or not according to the return parameters of the circuit board testing module 2.

In the embodiment, the qualification test of the circuit board 4 to be tested can be carried out only by utilizing the upper computer 1 and the circuit board test module 2, so that the test efficiency and the stability of a test system are greatly improved, and the detection cost is reduced.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A universal PCBA circuit test platform is characterized by comprising an upper computer (1), a circuit board test module (2), a power supply module (3) and a circuit board to be tested (4);

the upper computer (1) is connected with the circuit board testing module (2) through a serial port line, and the upper computer (1) is connected with the power supply module (3) through a serial port line; the circuit board testing module (2) is provided with a copper thimble, and the copper thimble is contacted with the circuit board (4) to be tested.

2. A universal PCBA circuit test platform according to claim 1, wherein the test items of the circuit board test module (2) include voltage tests, current tests, resistance tests and GPIO control channel tests.

3. A universal PCBA circuit test platform according to claim 1, wherein the circuit board test module (2) is provided with fibre optic probes which are in surface contact with the light emitting LEDs on the circuit board (4) to be tested.

4. A universal PCBA circuit test platform according to claim 3, wherein the test items of the circuit board test module (2) include voltage test, current test, resistance test, LED brightness test and GPIO control channel test.

5. The universal PCBA circuit test platform as claimed in claim 1, wherein the circuit board test module (2) controls the working state and current magnitude of the circuit board to be tested (4) through a copper thimble, and the working state comprises on-off selection and high-low level state control of a channel of the circuit board to be tested (4).