CN218995585U

CN218995585U - Aging test frame for PCBA board

Info

Publication number: CN218995585U
Application number: CN202223244826.1U
Authority: CN
Inventors: 杨卫玲
Original assignee: Guangzhou Lijie Intelligent Electronics Co ltd
Current assignee: Guangzhou Lijie Intelligent Electronics Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-09
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to the field of PCBA board testing, in particular to an aging testing frame for a PCBA board. The utility model provides an aging test rack for a PCBA board, which can simulate temperature change. The utility model provides an ageing test frame for PCBA board, including test box and door plant, the front side rotation of test box is connected with two door plant, still including detection mechanism and adjustment mechanism, the inside of test box is equipped with detection mechanism, is equipped with the adjustment mechanism who is used for changing the inside temperature of test box on the test box. Through the effect under refrigerator and heating pipe, can adjust the inside temperature of test box to this can simulate the temperature and detect PCBA board, guaranteed the testing result of PCBA board.

Description

Aging test frame for PCBA board

Technical Field

The utility model relates to the field of PCBA board testing, in particular to an aging testing frame for a PCBA board.

Background

The PCB is called a printed circuit board, also called a printed circuit board, is an important electronic component, is a support body of an electronic component, and is a carrier for electrical connection of the electronic component. The PCBA is used for assembling various electronic devices on the circuit board through a surface packaging process, belongs to one type of PCB, and is usually subjected to ageing detection by people in order to ensure the quality of the PCBA.

According to a circuit board ageing test frame of patent grant publication number CN207557423U, including shrouding, mesa, backplate, roof beam structure, baffle, automatically controlled cabinet, test system, operating switch, air switch and scram button, the baffle is hollow, operating switch still includes pilot lamp and earth leakage protector, the backplate with roof beam structure fixed mounting, automatically controlled cabinet installs the roof beam structure bottom, the mesa downward sloping is installed on the backplate, the last baffle installation department that has made of mesa, the baffle passes through the baffle installation department and installs on the mesa, operating switch establishes one side of mesa, air switch system in automatically controlled cabinet one side, scram button installs on the roof beam structure.

Above-mentioned patent does not possess the function that simulation ambient temperature carries out ageing test to PCBA board, leads to PCBA board detection result inaccurate, easily with actual conditions deviation, the detection effect is poor.

In order to solve the above-mentioned problems in the prior art, it is necessary to design an aging test rack for PCBA board capable of simulating temperature changes, so as to achieve the effect of simulating temperature changes to detect PCBA board.

Disclosure of Invention

In order to overcome the defect that the existing aging test rack for PCBA boards does not have the function of simulating temperature, the utility model aims to solve the technical problems that: provided is an aging test stand for PCBA capable of simulating temperature changes.

The technical scheme of the utility model is as follows: the utility model provides an ageing test frame for PCBA board, including test box and door plant, the front side rotation of test box is connected with two door plant, still including detection mechanism and adjustment mechanism, the inside of test box is equipped with detection mechanism, is equipped with the adjustment mechanism who is used for changing the inside temperature of test box on the test box.

In a preferred embodiment of the utility model, the detection mechanism comprises a detection frame, a placement disc, casters and rotating blocks, wherein four casters are placed at the inner bottom of the test box, the detection frame is connected between the tops of the four casters, the placement discs which are arranged in a bilateral symmetry manner are placed on the detection frame at uniform intervals, the placement discs are provided with placement grooves at uniform intervals, the rotating blocks which are arranged in a bilateral symmetry manner are connected with the front side of the detection frame at uniform intervals in a rotating manner, and the rotating blocks are used for clamping the placement discs.

In a preferred embodiment of the utility model, the adjusting mechanism comprises a refrigerator, a heating bin and a heating pipe, wherein the refrigerator for refrigerating the inside of the test box is arranged at the top of the test box, the heating bin is connected to the left side and the right side of the test box, and the heating pipe is arranged in the heating bin.

In a preferred embodiment of the utility model, the device further comprises a fixed block, a guide rod, a spring and a lug, wherein the left side of the left placing plate and the right side of the right placing plate are respectively provided with a chute, the fixed blocks which are arranged in a bilateral symmetry manner are uniformly connected to the detection frame at intervals, one side of the fixed block, which is close to the placing plate, is connected with the guide rod, the lug which is used for clamping the placing plate is connected to the guide rod in a sliding manner, the lug is positioned in the chute, the placing plate is clamped by the lug through the chute, and the spring is connected between the lug and the fixed block.

In a preferred embodiment of the utility model, the heating device further comprises a protective net, and the side, close to the placing plate, of the heating bin is connected with the protective net for protecting the heating pipe.

In a preferred embodiment of the utility model, the heating device further comprises a fan, and the fan for accelerating the air circulation speed is arranged in the heating bin.

The utility model has the following beneficial effects: 1. through the effect under refrigerator and heating pipe, can adjust the inside temperature of test box to this can simulate the temperature and detect PCBA board, guaranteed the testing result of PCBA board.

2. Through under the cooperation of lug and spring, put the dish and put back on the detection frame, can fix the dish of placing, avoid placing the random displacement of dish, guaranteed the safety of PCBA board.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective view of the components of the refrigerator, the heating bin and the like.

Fig. 3 is a schematic perspective view of the heating pipe, fan and other parts of the present utility model.

Fig. 4 is a schematic perspective view of the components such as the placing tray and the placing groove.

Fig. 5 is a schematic perspective view of the parts such as the fixing block and the bump.

Fig. 6 is a schematic perspective view of the rotating block, chute and other parts of the present utility model.

The marks of the components in the drawings are as follows: 1. the device comprises a test box, 2, a door plate, 3, a refrigerator, 4, a heating bin, 41, a heating pipe, 42, a fan, 43, a protective net, 5, a detection frame, 6, a placing plate, 7, a placing groove, 8, casters, 9, a rotating block, 11, a fixed block, 15, a guide rod, 16, a spring, 17, a bump, 18 and a chute.

Detailed Description

It should be noted that in the various embodiments described, identical components are provided with identical reference numerals or identical component names, wherein the disclosure contained throughout the description can be transferred in a meaning to identical components having identical reference numerals or identical component names. The position specification, the upper, lower, lateral, etc. selected in the description are also referred to directly in the description and the figures shown and are transferred in the sense of a new position when the position is changed.

Example 1

The utility model provides an ageing test frame is used to PCBA board please look over fig. 1, fig. 2, fig. 3, fig. 4 and fig. 6, including test box 1, door plant 2, detection mechanism and adjustment mechanism, the front side rotation of test box 1 is connected with two door plant 2, and the inside of test box 1 is equipped with detection mechanism, is equipped with the adjustment mechanism who is used for changing the inside temperature of test box 1 on the test box 1.

Looking at fig. 2, 4 and 6, the detection mechanism comprises a detection frame 5, a placement tray 6, casters 8 and a rotating block 9, wherein four casters 8 are placed at the inner bottom of the test box 1, the detection frame 5 is connected between the tops of the four casters 8, the placement tray 6 which is arranged in a bilateral symmetry manner is uniformly and alternately placed on the detection frame 5, the placement tray 6 is uniformly and alternately provided with a placement groove 7, and the rotating block 9 which is arranged in a bilateral symmetry manner is uniformly and alternately rotated and connected with the front side of the detection frame 5.

Referring to fig. 1, 2 and 3, the adjusting mechanism comprises a refrigerator 3, a heating bin 4 and a heating pipe 41, the refrigerator 3 is installed at the top of the test box 1, the heating bin 4 is bolted to the left side and the right side of the test box 1, and the heating pipe 41 is installed in the heating bin 4.

Referring to fig. 3, the heating cabinet further comprises a protection net 43, and the protection net 43 for protecting the heating pipe 41 is connected to one side of the heating cabinet 4 close to the placing plate 6.

Referring to fig. 3, the heating chamber 4 further includes a fan 42, and the fan 42 for accelerating the air circulation is installed inside the heating chamber 4.

When the aging detection needs to be carried out on the PCBA board, the door plate 2 is opened, the detection frame 5 is pulled out from the inside of the test box 1, the caster 8 can assist the detection frame 5 to move, then the PCBA board is placed into the inside of the placing groove 7, the rotating block 9 is rotated by 90 degrees, the placing disc 6 is clamped by the rotating block 9, the detection frame 5 is pushed back into the inside of the test box 1, then the door plate 2 is closed, the fan 42 and the refrigerator 3 are started, the refrigerator 3 can refrigerate the inside of the test box 1, meanwhile, the fan 42 can accelerate the circulation of air in the test box 1, the inside of the test box 1 is cooled faster, when the inside of the test box 1 needs to be heated, the refrigerator 3 is closed, the heating pipe 41 is opened, the heating pipe 41 can heat the inside of the test box 1, the PCBA board can be detected by simulating temperature through the operation, then the aging detection can be carried out on the PCBA board, the test result of the PCBA board can be guaranteed through simulating temperature, after the detection is completed, the fan 41 is closed, the fan 2 is opened, the rotating block 9 is reversely rotated by 90 degrees, the rotating block 9 is not clamped, the rotating block 9 is pushed back to the inside of the test box 6, the inside of the test box 5 can be pulled out, the PCBA board can be placed from the inside of the test box 5, the inside of the test box is placed into the inside of the test box 1, the test box is placed into the test box through the test box 5, and finally, the inside of the PCBA board can be cooled by the place 5 is pushed back by the place 5, and finally, the test box 5 can be placed into the place 5, and can be cooled down and placed into place after the test box is subjected to be subjected to the operation to the test box to be subjected to the operation to the test temperature to the test box and the test box.

Example 2

On the basis of embodiment 1, please see fig. 4 and 5, further comprising a fixed block 11, a guide rod 15, a spring 16 and a protruding block 17, wherein the left side of the left side placing tray 6 and the right side of the right side placing tray 6 are both provided with a sliding groove 18, the fixed block 11 arranged in bilateral symmetry is uniformly and alternately bolted on the detection frame 5, the guide rod 15 is bolted on one side of the fixed block 11 close to the placing tray 6, the protruding block 17 is connected on the guide rod 15 in a sliding manner, the protruding block 17 is positioned in the sliding groove 18, the placing tray 6 is clamped by the protruding block 17 through the sliding groove 18, and the spring 16 is connected between the protruding block 17 and the fixed block 11.

Initially, the protruding block 17 is propped against the placing tray 6, so that the spring 16 is compressed, after the placing tray 6 is taken away from the detecting frame 5, the placing tray 6 is separated from the protruding block 17, so that the spring 16 resets and drives the protruding block 17 to move and reset in a direction away from the fixed block 11, then the placing tray 6 is pressed in a direction close to the fixed block 11 by the protruding block 17 in a process of placing the placing tray 6 back onto the detecting frame 5, the spring 16 is compressed, and the protruding block 17 is located inside the sliding groove 18, so that the placing tray 6 can be fixed on the detecting frame 5 under the action of the protruding block 17, and random displacement of the placing tray 6 is avoided.

It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the utility model in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the utility model.

Claims

1. The utility model provides an ageing test frame for PCBA board, including test box (1) and door plant (2), the front side rotation of test box (1) is connected with two door plant (2), its characterized in that: the temperature sensor further comprises a detection mechanism and an adjusting mechanism, wherein the detection mechanism is arranged in the test box (1), and the adjusting mechanism for changing the temperature inside the test box (1) is arranged on the test box (1).

2. An aging test rack for PCBA boards as recited in claim 1, wherein: the detection mechanism comprises a detection frame (5), a placement disc (6), casters (8) and rotating blocks (9), wherein four casters (8) are arranged at the inner bottoms of the test box (1), the detection frame (5) is connected between the tops of the four casters (8), the placement disc (6) which is arranged in a bilateral symmetry manner is uniformly and alternately arranged on the detection frame (5), the placement disc (6) is uniformly and alternately provided with placement grooves (7), the rotating blocks (9) which are arranged in a bilateral symmetry manner are uniformly and alternately connected to the front sides of the detection frame (5), and the rotating blocks (9) are used for clamping the placement disc (6).

3. An aging test stand for a PCBA board as recited in claim 2, wherein: the regulating mechanism comprises a refrigerator (3), a heating bin (4) and a heating pipe (41), the refrigerator (3) for refrigerating the inside of the test box (1) is arranged at the top of the test box (1), the heating bin (4) is connected to the left side and the right side of the test box (1), and the heating pipe (41) is arranged in the heating bin (4).

4. A burn-in fixture for PCBA board as recited in claim 3, wherein: still including fixed block (11), guide bar (15), spring (16) and lug (17), spout (18) have all been opened on the left side of left side placing tray (6) and the right side of right side placing tray (6), evenly be connected with fixed block (11) that bilateral symmetry set up on detection frame (5) with the interval, one side that fixed block (11) is close to placing tray (6) is connected with guide bar (15), sliding connection has lug (17) that are used for blocking placing tray (6) on guide bar (15), lug (17) are located inside spout (18), and lug (17) are blocked placing tray (6) through spout (18), be connected with spring (16) between lug (17) and fixed block (11).

5. An aging test rack for PCBA boards as recited in claim 4, wherein: the heating device further comprises a protective net (43), and one side of the heating bin (4) close to the placing plate (6) is connected with the protective net (43) for protecting the heating pipe (41).

6. An aging test rack for PCBA boards as recited in claim 5, wherein: the air heater also comprises a fan (42), and the fan (42) for accelerating the air circulation speed is arranged in the heating bin (4).