CN210294468U - Printed circuit board aging testing cabinet - Google Patents
Printed circuit board aging testing cabinet Download PDFInfo
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- CN210294468U CN210294468U CN201920959433.8U CN201920959433U CN210294468U CN 210294468 U CN210294468 U CN 210294468U CN 201920959433 U CN201920959433 U CN 201920959433U CN 210294468 U CN210294468 U CN 210294468U
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- printed circuit
- circuit board
- test
- communication interface
- burn
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Abstract
A printed circuit board burn-in test cabinet comprising: the test system comprises a cabinet body, a temperature control system for controlling the temperature in the cabinet body, a plurality of aging test fixtures and a test system for testing a printed circuit board, wherein each aging test fixture comprises a bottom plate, a bearing plate for placing the printed circuit board, a communication interface for communicating with the printed circuit board and a quick clamp for locking the position of the bearing plate; the test system is electrically connected with the communication interface; the temperature control system comprises a temperature controller and a timer; fix printed circuit board on the bearing board earlier during the use, avoided printed circuit board to receive to collide with, made printed circuit board and communication interface connection through removing the bearing board, the rethread is fixed by quick clamp for printed circuit board and communication interface butt joint are firm, through setting up the test system who is connected with the communication interface electricity, when printed circuit board is ageing at the internal, can test printed circuit board.
Description
Technical Field
The utility model relates to a printed circuit board makes the field, concretely relates to printed circuit board aging testing cabinet.
Background
In printed circuit board's manufacturing process, involve the ageing process, use the oven to carry out aging testing usually in the trade, owing to get to put frequently, printed circuit board takes place to collide with easily and causes the damage, and communication interface also loosens easily to can't test the printed circuit board who is in the ageing environment, need a special aging testing cabinet that is used for printed circuit board ageing process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's defect, providing a test cabinet that is used for the ageing process of printed circuit board specially, when printed circuit board was ageing in this test cabinet, can avoid printed circuit board to receive to collide with, made the communication interface butt joint firm, can also test printed circuit board.
In order to achieve the above object, the utility model discloses a technical scheme is, a printed circuit board aging testing cabinet, include:
a cabinet body;
the temperature control system is used for controlling the temperature in the cabinet body and comprises a temperature controller and a timer;
a plurality of burn-in test fixtures;
a test system for testing the printed circuit board;
the aging test fixture comprises a bottom plate, a bearing plate for placing the printed circuit board and a communication interface for communicating with the printed circuit board, wherein the bearing plate is provided with a plurality of fixing blocks for fixing the printed circuit board;
the bearing plate can move in the direction close to or far away from the communication interface, and the aging test fixture further comprises a quick clamp for locking the position of the bearing plate;
the test system is electrically connected with the communication interface.
Preferably, the bottom plate is provided with a guide rail, the lower surface of the supporting plate is provided with a sliding block matched with the guide rail, and the sliding block is sleeved on the guide rail.
Preferably, the communication interface is movably disposed on the base plate.
Further preferably, the moving direction of the communication interface is perpendicular to the upper surface of the bottom plate.
Further preferably, the moving direction of the communication interface is parallel to the upper surface of the base plate.
Preferably, the upper surface of the supporting plate is also provided with a padding block made of silica gel.
Preferably, the test system comprises a current monitoring module for detecting the operating current of the printed circuit board.
Preferably, the test system includes a power module that provides power to the printed circuit board.
Preferably, the test system comprises a load module for simulating the load side of the printed circuit board.
Preferably, an indicator light for indicating the current state of the printed circuit board is further arranged on the bottom plate, and the indicator light is electrically connected with the communication interface.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model provides a printed circuit board aging testing cabinet fixes printed circuit board on the bearing board during use, has avoided printed circuit board to receive to collide with, makes printed circuit board and communication interface connection through removing the bearing board, and the fixed bearing board of rethread quick clamp for printed circuit board and communication interface butt joint are firm, through setting up the test system who is connected with the communication interface electricity, make printed circuit board when the internal ageing of cabinet, can test printed circuit board.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the aging test fixture of the present invention.
Fig. 3 is a left side view of the aging test jig of the present invention.
Wherein: 1. a cabinet body; 11. placing a fixture rack; 2. a temperature control system; 21. a temperature controller; 22. a timer; 3. an aging test fixture; 31. a base plate; 311. a guide rail; 312. a support; 313. a communication interface; 314. quick clamping; 315. an indicator light; 316. a handle; 32. a support plate; 321. a fixed block; 322. a sliding block 323 and a padding block; 4. testing the system; 41. a power supply module; 42. a load module; 43. a current detection module; 5. a printed circuit board.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
The up-down direction in the present invention refers to the left-right direction in fig. 3.
The utility model provides a printed circuit board aging testing cabinet, include: the aging test cabinet comprises a cabinet body 1, a temperature control system 2, an aging test fixture 3 and a test system 4, wherein a fixture placing frame 11 for placing the aging test fixture 3 is arranged in the cabinet body 1, the temperature control system 2 comprises a temperature controller 21, a timer 22, a heating pipe, a temperature probe and a hot air circulating device, the temperature control system belongs to the prior art, and details are not repeated herein, the temperature control system 2 is used for keeping the temperature in the cabinet body 1 within a temperature range required by an aging process of a printed circuit board 5, the aging test fixture 3 is placed on the fixture placing frame 11, a plurality of rows of aging test fixtures 3 are placed on the fixture placing frame 11 along the up-down direction, and in the embodiment, five rows of aging test fixtures are placed on the fixture placing frame 11; the aging test fixture 3 comprises a bottom plate 31 and a support plate 32, wherein the support plate 32 is used for placing the printed circuit board 5, the number of the support plates 32 can be multiple, in this embodiment, five support plates 32 are distributed above the bottom plate 31 at intervals, a guide rail 311, a support 312, a communication interface 313, a quick clamp 314, an indicator light 315 and a handle 316 are arranged on the bottom plate 31, the communication interface 313 is arranged on the support 312, the communication interface 313 can move up and down on the support 312 along a direction perpendicular to the upper surface of the bottom plate 31, the support 312 can move on the bottom plate 31 along a direction parallel to the upper surface of the bottom plate 31, and the quick clamp 314 is arranged on the bottom plate 31 and used for locking the position of the support plate 32; the indicator light 315 is electrically connected with the communication interface 313 and is communicated with the printed circuit board 5 through the communication interface 313, when the printed circuit board 5 is in a normal working state, the indicator light 315 is on, and when the printed circuit board 5 is in an abnormal state, the indicator light 315 is off, so that the abnormal printed circuit board can be found out quickly; the two handles 316 are convenient for pushing the aging test fixture 3 into or pulling the aging test fixture 3 out of the fixture placing rack 11; the supporting plate 32 is provided with four fixing blocks 321, sliders 322 matched with the guide rails 311, and a raising block 323, wherein the four fixing blocks 321 are respectively located at four corners of the printed circuit board 5 and used for fixing the printed circuit board 5 on the upper surface of the supporting plate 32 so as to avoid collision, and certainly, in order to match printed circuit boards 5 of different shapes, the positions of the fixing blocks 321 on the supporting plate 32 can be adjusted, and the number of the fixing blocks 321 can be increased or decreased; some of the printed circuit boards 5 are provided with electronic components on the upper and lower surfaces thereof, when the printed circuit boards 5 are fixed on the bearing plate, the electronic components on the lower surface of the printed circuit boards 5 are easily crushed, and the positions, where no electronic components are arranged, on the lower surface of the printed circuit boards 5 are supported by the raising blocks 323 made of silica gel materials and arranged on the upper surface of the bearing plate 32, so that the distance between the electronic components on the lower surface of the printed circuit boards 5 and the upper surface of the bearing plate 32 is kept, and the printed circuit boards are prevented from being damaged; the slide block 322 is positioned on the lower surface of the bearing plate 32, the slide block 322 is sleeved on the guide rail 311, and the bearing plate 32 can slide on the upper surface of the bottom plate 31 along the guide rail 311 through the slide block 322; the quick clamp 314 is the prior art, the structural features of the quick clamp 314 are not described herein any more, the quick clamp 314 has two states of locking and releasing, when the quick clamp 314 is clamped, one end of the quick clamp 314 contacts with one side of the bearing plate 32, the bearing plate 32 is pushed to slide along the guide rail 311 through the slider 322, after the sliding is for a certain distance, one end of the slider 322 is limited by a limit block on the guide rail 311, so that the bearing plate 32 cannot move forward, and since one side of the bearing plate 32 is limited by one end of the quick clamp 314 after the contact, the bearing plate 32 cannot slide backward, so that the bearing plate 32 is fixed, of course, the limit function of the limit block can also be played through the connection of the printed circuit board 5 and the communication interface 313; the test system 4 includes a power module 41, a load module 42, and a current detection module 43 electrically connected to the communication interface 313, where the power module 41 is configured to provide a working voltage to the printed circuit board 5, the load module 42 is configured to simulate a working load of the printed circuit board 5, and the current detection module 43 is configured to detect a working current of the printed circuit board 5, and the power module 41, the load module 42, and the current detection module 43 are all in the prior art and are not described herein again.
When the device is used, the printed circuit board 5 is fixed on the bearing plate 32, the communication interface 313 is adjusted to a position convenient for butt joint with a butt joint interface on the printed circuit board 5, the bearing plate 32 is pushed to slide along the guide rail 311, so that the printed circuit board 5 is in butt joint with the communication interface 313, and the position of the bearing plate 32 is fixed through the quick clamp 314, so that the printed circuit board 5 is in firm butt joint with the communication interface 313; push into anchor clamps rack 11 with aging testing anchor clamps 3 through handle 316, adjust the internal temperature of cabinet 1 to ageing temperature through temperature control system 2, supply power to printed circuit board 5 through power module 41, simulate printed circuit board 5's work load through load module 42, detect printed circuit board 5's operating current through current detection module 43, use timer 22 to record ageing time, when ageing, whether qualified according to the current value that current detection module 43 detected, realized ageing the technological effect who tests printed circuit board.
The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A printed circuit board burn-in test cabinet comprising:
a cabinet body;
the temperature control system is used for controlling the temperature inside the cabinet body;
a plurality of burn-in test fixtures;
a test system for testing the printed circuit board;
the method is characterized in that:
the aging test fixture comprises a bottom plate, a bearing plate for placing the printed circuit board and a communication interface for communicating with the printed circuit board, wherein the bearing plate is provided with a plurality of fixing blocks for fixing the printed circuit board;
the bearing plate can move in the direction close to or far away from the communication interface, and the aging test fixture further comprises a quick clamp for locking the position of the bearing plate;
the test system is electrically connected with the communication interface.
2. The printed circuit board burn-in test cabinet of claim 1, wherein: the bottom plate is provided with a guide rail, the lower surface of the bearing plate is provided with a slide block matched with the guide rail, and the slide block is sleeved on the guide rail.
3. The printed circuit board burn-in test cabinet of claim 1, wherein: the communication interface is movably arranged on the bottom plate.
4. The printed circuit board burn-in test cabinet of claim 3, wherein: the moving direction of the communication interface is perpendicular to the upper surface of the bottom plate.
5. The printed circuit board burn-in test cabinet of claim 3, wherein: the moving direction of the communication interface is parallel to the upper surface of the bottom plate.
6. The printed circuit board burn-in test cabinet of claim 1, wherein: the upper surface of the bearing plate is also provided with a heightening block made of silica gel.
7. The printed circuit board burn-in test cabinet of claim 1, wherein: the test system includes a power module that provides power to the printed circuit board.
8. The printed circuit board burn-in test cabinet of claim 1, wherein: the test system comprises a load module for simulating the load end of the printed circuit board.
9. The printed circuit board burn-in test cabinet of claim 1, wherein: the test system comprises a current monitoring module for detecting the working current of the printed circuit board.
10. The printed circuit board burn-in test cabinet of claim 1, wherein: the bottom plate is also provided with an indicator light for indicating the current state of the printed circuit board, and the indicator light is electrically connected with the communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920959433.8U CN210294468U (en) | 2019-06-25 | 2019-06-25 | Printed circuit board aging testing cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920959433.8U CN210294468U (en) | 2019-06-25 | 2019-06-25 | Printed circuit board aging testing cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210294468U true CN210294468U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920959433.8U Active CN210294468U (en) | 2019-06-25 | 2019-06-25 | Printed circuit board aging testing cabinet |
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| Country | Link |
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| CN (1) | CN210294468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485636A (en) * | 2020-11-13 | 2021-03-12 | 深圳市骏欣铝基板有限公司 | Printed circuit board anti-aging detection equipment |
-
2019
- 2019-06-25 CN CN201920959433.8U patent/CN210294468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485636A (en) * | 2020-11-13 | 2021-03-12 | 深圳市骏欣铝基板有限公司 | Printed circuit board anti-aging detection equipment |
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