Circuit board aging test device

Abstract

The utility model discloses a circuit board aging test device, which comprises a hydraulic rod, a test box, a pressure test board, a test board and a circuit board, the hydraulic rod is arranged on one side of the top of the test box, the pressure test board is arranged at the telescopic end of the hydraulic rod, a fan is arranged on one side of the test box, and the test board is arranged on the test box. A test board is arranged in the test box through a supporting stand column, a control panel is arranged on one side of the front face of the test box, and a sealing door is arranged on the other side of the front face of the test box. The fan is arranged on the outer side of the test box, ventilation control can be carried out on the interior of the test cavity through the fan, a plurality of atomization covers are arranged on the other side of the inner cavity of the test box, humidification can be carried out on the interior of the test box through the atomization covers, the moisture resistance of a circuit board can be conveniently controlled, and the test table is arranged in the test box through the supporting stand columns. The clamping plates controlled by the electric push rods are arranged on the two sides of the test bench, so that lateral deformation resistance detection can be carried out, and detection is more comprehensive.

Description

Technical Field

[0001] This utility model relates to the field of aging test devices, specifically a circuit board aging test device. Background Technology

[0002] Circuit board aging test equipment is used to perform aging tests on circuit boards. PCB aging test refers to testing printed circuit boards (PCBs) under certain temperature, humidity, voltage, and current conditions to evaluate their reliability and lifespan in actual use. This type of test is commonly used in industrial, aerospace, medical, and automotive electronics fields to ensure that the circuit boards do not fail or malfunction during long-term use.

[0003] For example, the authorized patent with publication number CN219179553U (Circuit Board Aging Test Device) includes: a test chamber; multiple electric slide rails, all fixedly installed on the inner wall of the test chamber; multiple placement racks, each fixedly installed on the output block of the multiple electric slide rails; multiple placement slots, each opened on the multiple placement racks; a test controller, located on one side of the test chamber; an air drying mechanism, located on one side of the test chamber; and an air circulation mechanism, located on one side of the test chamber. The circuit board aging test device provided by this utility model has the advantages of humidity control function, convenient circuit board handling, and convenient operation.

[0004] The existing circuit board aging test device is not convenient enough, has insufficient ventilation, and is not easy to control. It is not comprehensive enough for testing circuit boards and cannot simultaneously test lateral compression resistance and vertical compressive strength. Utility Model Content

[0005] The purpose of this utility model is to provide a circuit board aging test device to solve the problems mentioned in the background art, such as inconvenient testing, insufficient ventilation, inconvenient control, incomplete testing of circuit boards, and inability to simultaneously test lateral compression resistance and vertical compressive strength.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a circuit board aging test device, comprising a hydraulic rod, a test chamber, a pressure test plate, a test platform, and a circuit board. The test chamber has a hydraulic rod on one side of its top, a pressure test plate on the telescopic end of the hydraulic rod, a fan on one side of the test chamber, a test platform inside the test chamber supported by a support column, a control panel on one side of the front of the test chamber, and a sealed door on the other side of the front of the test chamber.

[0007] In a further embodiment, the inner cavity of the test chamber is provided with two atomizing hoods on one side, the front of the atomizing hoods is provided with multiple mist exhaust ports, and the back of the atomizing hoods is provided with an air guide plug in the middle.

[0008] In a further embodiment, the pressure test plate is provided with a data display screen, and the pressure test plate is provided with a pressure sensor inside, and the output end of the pressure sensor is electrically connected to the input end of the pressure test plate.

[0009] In a further embodiment, the pressure test plate is positioned opposite the test bench, and the circuit board is located in the middle of the test bench.

[0010] In a further embodiment, the test bench is provided with limiting side plates at both ends, and two electric push rods are provided on the limiting side plates. The telescopic ends of the electric push rods are connected to the clamping plates.

[0011] In a further embodiment, the bottom of the support column is connected to the bottom of the inner cavity of the test box via a mounting base, and a ventilation box is provided at the lower front of the test box.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. The test chamber of this utility model is equipped with a fan on the outside, which can control the ventilation inside the test chamber. Multiple atomizing hoods are provided on the other side of the inner cavity of the test chamber, which can humidify the inside of the test chamber, making it easier to control the moisture resistance of the circuit board. A test platform is provided inside the test chamber by supporting columns. Clamping plates controlled by electric push rods are provided on both sides of the test platform, which can perform lateral deformation resistance testing, making the testing more comprehensive.

[0014] 2. The test box of this utility model is equipped with a hydraulic rod on one side of the top, and the telescopic end of the hydraulic rod is equipped with a pressure test plate. The pressure test plate can be used to perform vertical pressure tests on the circuit board on the test bench, which is convenient and accurate. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a circuit board aging test device according to the present invention;

[0016] Figure 2 This is a front view of the test box of this utility model;

[0017] Figure 3 This is a top view of the test platform of this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the atomizing cover of this utility model.

[0019] In the diagram: 1. Hydraulic rod; 2. Fan; 3. Test chamber; 4. Pressure test plate; 5. Test bench; 6. Support column; 7. Mounting base; 8. Ventilation box; 9. Control panel; 10. Limiting side plate; 11. Electric actuator; 12. Clamping plate; 13. Circuit board; 14. Atomizing hood; 15. Mist exhaust port; 16. Air guide plug; 17. Sealing door. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Please see Figure 1-4 This utility model provides an embodiment of a circuit board aging test device, comprising a hydraulic rod 1, a test chamber 3, a pressure test plate 4, a test platform 5, and a circuit board 13. The hydraulic rod 1 is located on one side of the top of the test chamber 3, and the pressure test plate 4 is located at the telescopic end of the hydraulic rod 1. A fan 2 is located on one side of the test chamber 3. The test platform 5 is located inside the test chamber 3 via a supporting column 6. A control panel 9 is located on one side of the front of the test chamber 3, and a sealing door 17 is located on the other side of the front of the test chamber 3. The pressure test plate 4 is controlled by the hydraulic rod 1 to perform pressure testing on the circuit board 13. The fan 2 blows air into the test chamber 3. The control panel 9 allows for intelligent control of the test chamber 3. The sealing door 17 is used to seal the test chamber 3.

[0022] Two atomizing hoods 14 are provided on one side of the inner cavity of the test chamber 3. Multiple mist exhaust ports 15 are provided on the front of the atomizing hood 14. An air guide plug 16 is provided in the middle of the back of the atomizing hood 14. Moisture is sprayed into the test chamber 3 through the atomizing hood 14, and the air guide plug 16 facilitates the introduction of mist.

[0023] The pressure test plate 4 is equipped with a data display screen. The pressure test plate 4 has a pressure sensor inside, and the output end of the pressure sensor is electrically connected to the input end of the pressure test plate 4. The data display screen facilitates pressure test judgment. The pressure sensor is set to model MPM3808. The pressure test plate 4 is set opposite to the test bench 5. The circuit board 13 is located in the middle of the test bench 5. The circuit board 13 is placed on the test bench 5, and the pressure test plate 4 performs vertical pressure test on the circuit board 13. Both ends of the test bench 5 are equipped with limiting side plates 10. The limiting side plates 10 are equipped with two electric push rods 11. The telescopic ends of the electric push rods 11 are connected to the clamping plate 12. The limiting side plates 10 facilitate the installation of the electric push rods 11. The electric push rods 11 can control the clamping plate 12 to clamp the circuit board 13 laterally.

[0024] The bottom of the support column 6 is connected to the bottom of the inner cavity of the test chamber 3 via the mounting base 7. A ventilation box 8 is provided at the lower front of the test chamber 3, and the support column 6 is conveniently installed via the mounting base 7.

[0025] Working principle: In use, the atomizing cover 14 is installed and fixed to one side of the inner cavity of the test chamber 3 through the air guide plug 16. The circuit board 13 is placed on the test platform 5. The clamping plate 12 is controlled by the electric push rod 11 to squeeze the two ends of the circuit board 13, so that it can be tested for lateral compression resistance. The support column 6 is used to support the test platform 5. The mounting base 7 facilitates the installation of the support column 6. The ventilation box 8 can control the ventilation of the test chamber 3. The control panel 9 can control the intelligent control of the test chamber 3. The hydraulic rod 1 controls the pressure test plate 4 to perform vertical pressure testing on the circuit board 13. The fan 2 is used to blow air into the test chamber 3 to enhance air circulation.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A circuit board burn-in test apparatus comprising a hydraulic ram (1), a test chamber (3), a pressure test board (4), a test bench (5) and a circuit board (13), characterized in that: The top side of the test box (3) is provided with a hydraulic rod (1), the telescopic end of the hydraulic rod (1) is provided with a pressure test plate (4), one side of the test box (3) is provided with a fan (2), the inside of the test box (3) is provided with a test table (5) through a support column (6), the front side of the test box (3) is provided with a control panel (9), and the other side of the front side of the test box (3) is provided with a sealing door (17).

2. The circuit board burn-in test apparatus of claim 1, wherein: The inside of the test box (3) is provided with two atomizing covers (14) on one side, the front side of the atomizing cover (14) is provided with a plurality of mist outlets (15), and the back side of the atomizing cover (14) is provided with a gas guide plug (16).

3. The circuit board burn-in test apparatus of claim 1 wherein: The pressure test plate (4) is provided with a data display screen, the inside of the pressure test plate (4) is provided with a pressure sensor, and the output end of the pressure sensor is electrically connected with the input end of the pressure test plate (4).

4. The circuit board burn-in test apparatus of claim 3 wherein: The pressure test plate (4) is arranged opposite to the test table (5), and the circuit board (13) is arranged in the middle of the test table (5).

5. The circuit board burn-in test apparatus of claim 1 wherein: Both ends of the test table (5) are provided with limiting side plates (10), the limiting side plates (10) are provided with two electric push rods (11), and the telescopic ends of the electric push rods (11) are connected with clamping plates (12).

6. The circuit board burn-in test apparatus of claim 1 wherein: The bottom of the support column (6) is connected with the inside bottom of the test box (3) through a mounting seat (7), and the lower position of the front side of the test box (3) is provided with a ventilation box (8).

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