阅读说明：本技术 一种利用传感器检测pcba板的测试治具 (Utilize sensor to detect test fixture of PCBA board ) 是由 吴少华 邓锦辉 胡志光 于 2019-11-19 设计创作，主要内容包括：本发明涉及的一种利用传感器检测PCBA板的测试治具,包括：治具下模、传感器和电压信号处理装置；传感器安装在治具下模上,电压信号处理装置与传感器连接；治具下模的上表面上设有传感器感应区,传感器设置在传感器感应区的下方。本发明在治具上设置传感器,通过传感器感应PCBA板背部的含铜区域并发送电压信号,并通过对传感器发出的电压信号进行处理判断,从而确认PCBA板是否放正、到位,其测试结果精准,操作简单,体积小,因其结构简单,对体积有高要求的测试设备提供了宝贵的空间,且安装和架设方便简单。(The invention relates to a test fixture for detecting a PCBA board by using a sensor, which comprises: the jig comprises a lower jig die, a sensor and a voltage signal processing device; the sensor is arranged on the lower die of the jig, and the voltage signal processing device is connected with the sensor; the upper surface of the lower jig die is provided with a sensor induction area, and the sensor is arranged below the sensor induction area. The jig is provided with the sensor, the sensor is used for sensing the copper-containing area on the back of the PCBA and sending the voltage signal, and the voltage signal sent by the sensor is processed and judged, so that whether the PCBA is placed right and in place is determined, the test result is accurate, the operation is simple, the size is small, and due to the simple structure, precious space is provided for test equipment with high requirements on size, and the installation and erection are convenient and simple.)

1. The utility model provides an utilize sensor to detect test fixture of PCBA board which characterized in that includes: the jig comprises a lower jig die, a sensor and a voltage signal processing device;

the sensor is arranged on the lower jig die, and the voltage signal processing device is connected with the sensor;

and a sensor induction area is arranged on the upper surface of the lower jig die, and the sensor is arranged below the sensor induction area.

2. The test fixture for detecting PCBA boards by using sensors as claimed in claim 1, wherein said sensors are built in said fixture lower die, and a space is provided between said sensors and the upper surface of said fixture upper die.

3. The test fixture for inspecting PCBA boards with sensors as recited in claim 2, wherein said sensors are provided with sensing mechanisms disposed on top of said sensors.

4. The test fixture for inspecting PCBA with sensors as recited in claim 3, wherein said sensing mechanism is disposed below said sensor sensing area.

5. The test fixture for detecting PCBA boards using sensors as recited in claim 2, wherein said sensors further comprise: and the voltage signal output device is connected with the voltage signal processing device.

6. The test fixture for detecting PCBA boards by using sensors as claimed in claim 1, wherein PCBA boards to be detected are placed on said sensor sensing area.

7. The test fixture for detecting the PCBA by using the sensor as claimed in claim 1, wherein the back surface of the PCBA to be detected is in contact with the upper surface of the upper die of the fixture.

8. The test fixture for detecting the PCBA board by using the sensor as claimed in claim 1, wherein the length of the lower mold of the fixture is greater than the length of the PCBA board to be detected.

9. The test fixture for detecting the PCBA board by using the sensor as claimed in claim 1, wherein the width of the lower mold of the fixture is larger than the width of the PCBA board to be detected.

Technical Field

The invention relates to the field of automatic testing, in particular to a testing jig for detecting a PCBA (printed circuit board assembly) by utilizing a sensor.

Background

Generally, in the traditional manufacturing industry, whether a PCBA board is placed in place is a necessary process, in the process, in order to save manpower, time or hardware resources and improve the testing efficiency, an automatic testing concept is introduced, however, a traditional testing jig for testing whether the PCBA board is placed right needs a mechanical on-site switch, the size is large, and the cost is high.

The existing solution has the following disadvantages:

1. the use is unchanged, and a mechanical on-site switch is needed, so that the use is inconvenient;

2. the volume is large, and valuable space is wasted in test equipment with high requirements on the volume;

3. the installation and erection are inconvenient, the structure is complex, the installation steps are very complicated, and the erection is inconvenient.

Disclosure of Invention

The invention aims to solve the technical problems that how to detect a PCBA test board by adopting a test fixture for detecting the PCBA by using a sensor can detect the PCBA test board, whether the test board is placed in place or not can be known by adopting the emission and the reception of the sensor and processing a voltage signal sent by the sensor, the test process does not need to be disassembled and assembled, the operation is simple, and the test result is accurate and correct.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an utilize sensor to detect test fixture of PCBA board, sets up the sensor on the tool, through the copper-containing area at sensor response PCBA board back and send voltage signal to through the voltage signal to sending the sensor handle the judgement, thereby confirm that the PCBA board is put right, target in place, its test result is accurate, convenient operation, simple structure.

The invention relates to a test fixture for detecting a PCBA board by using a sensor, which comprises: the jig comprises a lower jig die, a sensor and a voltage signal processing device;

the sensor is arranged on the lower die of the jig, and the voltage signal processing device is connected with the sensor;

the upper surface of the lower jig die is provided with a sensor induction area, and the sensor is arranged below the sensor induction area.

In the test fixture for detecting the PCBA by using the sensor, the sensor is arranged in the lower fixture die, and a gap is formed between the sensor and the upper surface of the upper fixture die.

In the test fixture for detecting the PCBA by using the sensor, the sensor is provided with the sensing mechanism, and the sensing mechanism is arranged at the top of the sensor.

In the test fixture for detecting the PCBA by using the sensor, the sensing mechanism is arranged below the sensing area of the sensor.

In the test fixture for detecting a PCBA board using a sensor according to the present invention, the sensor further includes: and the voltage signal output device is connected with the voltage signal processing device.

In the test fixture for detecting the PCBA by using the sensor, the PCBA to be detected is placed on the sensor sensing area.

In the test fixture for detecting the PCBA by using the sensor, the back surface of the PCBA to be detected is contacted with the upper surface of the upper die of the fixture.

In the test fixture for detecting the PCBA by using the sensor, the length of the lower die of the fixture is greater than that of the PCBA to be detected.

In the test fixture for detecting the PCBA by using the sensor, the width of the lower die of the fixture is larger than that of the PCBA to be detected.

The test fixture for detecting the PCBA by using the sensor has the advantages that the sensor is arranged on the fixture, the sensor senses the copper-containing area on the back of the PCBA and sends a voltage signal, and the voltage signal sent by the sensor is processed and judged, so that whether the PCBA is placed right and in place is confirmed, the test result is accurate, the operation is simple, the size is small, due to the simple structure, precious space is provided for test equipment with high requirements on the size, and the test fixture is convenient and simple to install and erect.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a structural diagram of a test fixture for detecting PCBA board by using sensors according to the present invention.

In the figure, 1, a PCBA board to be detected; 2. a copper-containing region at the back of the PCBA board; 3. a sensor; 4. and (5) a jig lower die.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, a test fixture for detecting a PCBA board by using a sensor includes: the fixture lower die 4, the sensor 3 and the voltage signal processing device;

the sensor 3 is arranged on the lower jig die 4, and the voltage signal processing device is connected with the sensor 3;

the upper surface of tool lower mould 4 is equipped with the sensor 3 induction zone, and sensor 3 sets up the below in the sensor 3 induction zone.

Further, the sensor 3 is built in the jig lower die 4, and a gap is formed between the sensor 3 and the upper surface of the jig upper die.

Further, the sensor 3 is provided with a sensing mechanism, which is arranged on top of the sensor 3.

Further, the sensing mechanism is arranged below the sensing area of the sensor 3.

Further, the sensor 3 further includes: and the voltage signal output device is connected with the voltage signal processing device.

Further, the voltage signal output apparatus includes: the device comprises an input control module and a signal acquisition module.

Furthermore, a control module is input for inputting a control signal to the sensor 3 to control the switch of the sensor 3, and a signal acquisition module is used for sensing the copper-containing area 2 on the back of the PCBA board and acquiring the signal.

Further, the voltage signal output device is used for obtaining and outputting a linear voltage signal from the sensor 3 in the lower jig die 4, and the voltage signal output device receives the voltage signal and outputs the voltage signal to the voltage signal processing device.

Further, the voltage signal processing apparatus further includes: and the judging and processing module is used for judging whether the linear voltage signal meets the preset condition, if so, the PCBA board 1 to be detected on the lower jig die 4 is placed in place, and if not, the PCBA board 1 to be detected is not placed in place.

Furthermore, what relate to in this embodiment utilizes test fixture of sensor detection PCBA, adopt proximity sensor 3 of metal detector principle to voltage signal is handled through the voltage processing apparatus among the sensor 3 and is judged, thereby confirm whether PCBA is put, target in place, its test result is accurate, easy operation, and the cost of sensor 3 has been saved, because of its simple structure, has provided valuable space to the test equipment that the volume has high requirement, and installation and erect convenient simple.

Further, the PCBA board 1 to be inspected is placed on the sensing area of the sensor 3.

Further, the back of the PCBA board 1 to be detected is in contact with the upper surface of the upper die of the jig.

Further, the length of the lower jig die 4 is greater than that of the PCBA board 1 to be detected.

Further, the width of the lower jig die 4 is larger than that of the PCBA board 1 to be detected.

Further, the principle is as follows: place the PCBA board at the upper surface of mould on the tool, make the copper-containing area subsides at its back put in sensor 3 induction zone department, through the copper-containing area 2 at sensor 3 response PCBA board back and send voltage signal to through the voltage signal who sends sensor 3 processing judgement, thereby confirm that the PCBA board is put right, target in place, if detect normal voltage signal, then place, otherwise reachs the PCBA board and places not target in place.

The invention provides a test fixture for detecting a PCBA board by using a sensor, wherein the fixture is provided with the sensor, the sensor is used for sensing a copper-containing area at the back of the PCBA board and sending a voltage signal, and the voltage signal sent by the sensor is processed and judged so as to confirm whether the PCBA board is placed right and in place.

Although the present invention has been described with reference to the above embodiments, the scope of the present invention is not limited thereto, and modifications, substitutions and the like of the above members are intended to fall within the scope of the claims of the present invention without departing from the spirit of the present invention.