CN216926407U - LED screen circuit board reliability testing device - Google Patents
LED screen circuit board reliability testing device Download PDFInfo
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- CN216926407U CN216926407U CN202220440623.0U CN202220440623U CN216926407U CN 216926407 U CN216926407 U CN 216926407U CN 202220440623 U CN202220440623 U CN 202220440623U CN 216926407 U CN216926407 U CN 216926407U
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Abstract
The utility model discloses a reliability testing device for a circuit board of an LED screen, which comprises a detection box body, wherein a box door is arranged at the top of the detection box body, a through groove is formed in the box door, supporting plates are fixedly arranged on two sides of an inner cavity of the detection box body, and a circuit board body is arranged at the top of each supporting plate. According to the utility model, through the arrangement of the detection box body, the box door, the handle, the supporting plate, the pressure column, the placing box, the weight, the through groove, the extending plate, the heating pipe, the temperature detector, the fixing ring, the supporting block, the extrusion spring, the clamping plate, the protecting pad, the observation window, the adjusting knob and the temperature display, the purpose of performing high-temperature and compression-resistant tests on the circuit board body is realized, the reliability of the circuit board body in the aspects of high temperature and compression resistance is tested, and meanwhile, the problems that the reliability of the circuit board is poor in actual use and the using effect of the LED screen is influenced because the existing circuit board does not have the function of performing high-temperature and compression-resistant detection on the circuit board body before use are solved.
Description
Technical Field
The utility model relates to the technical field of LED screen circuit board testing, in particular to a device for testing the reliability of an LED screen circuit board.
Background
The LED screen is a novel imaging electronic device made of light emitting diodes arranged in sequence, and due to the characteristics of high brightness, wide visual angle, long service life and the like, the LED screen is widely applied to products such as outdoor advertising screens, a circuit board can be used in the LED screen, the service life of the LED screen is determined by the service life of the circuit board, the existing circuit board does not have the function of detecting the high temperature and the compression resistance of the circuit board before use, the reliability of the circuit board in the actual use is poor, and the use effect of the LED screen is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a reliability testing device for an LED screen circuit board, which has the advantages of high-temperature and compression-resistant detection and solves the problems that the existing circuit board does not have the function of high-temperature and compression-resistant detection before use, so that the reliability of the circuit board in actual use is poor and the using effect of an LED screen is influenced.
In order to achieve the purpose, the utility model provides the following technical scheme: a reliability testing device for an LED screen circuit board comprises a detection box body, wherein a box door is arranged at the top of the detection box body, a through groove is formed in the box door, supporting plates are fixedly arranged on two sides of an inner cavity of the detection box body, a circuit board body is arranged at the top of each supporting plate, a pressure column is arranged at the top of each circuit board body, the top of each pressure column penetrates through the through groove and extends to the upper part of the box door, the pressure columns are in sliding connection with the through grooves, a placing box is fixedly arranged at the top of each pressure column, weights are placed in the placing box, a heating pipe is arranged in the detection box body and below the circuit board body, temperature detectors are arranged on two sides of the inner cavity of the detection box body, the temperature detectors are arranged on two sides of the heating pipe, a control board is arranged on the front side of the detection box body, and an adjusting knob and a temperature display are arranged on the front side of the control board, the temperature display is located between the adjusting knobs.
Preferably, the two sides of the bottom of the detection box body are both fixedly provided with supporting blocks, and the right side of the top of the box door is fixedly provided with a handle.
Preferably, the bottom of the pressure column is fixedly provided with an extension plate, and the extension plate is positioned at the top of the circuit board body.
Preferably, the equal fixed mounting in both sides of detecting box inner chamber has extrusion spring, the equal fixed mounting in one side that extrusion spring is close to relatively has the clamp plate, the opposite side of clamp plate is provided with the protection and fills up, the protection fills up and this body contact of circuit board.
Preferably, the bottom fixed mounting who detects the box inner chamber has evenly distributed's solid fixed ring, gu fixed ring cover locates the surface of heating pipe.
Preferably, the front of the detection box body is provided with an observation window, and the observation window is positioned above the control panel.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of the detection box body, the box door, the handle, the supporting plate, the pressure column, the placing box, the weight, the through groove, the extending plate, the heating pipe, the temperature detector, the fixing ring, the supporting block, the extrusion spring, the clamping plate, the protecting pad, the observation window, the adjusting knob and the temperature display, the purpose of performing high-temperature and compression-resistant tests on the circuit board body is realized, the reliability of the circuit board body in the aspects of high temperature and compression resistance is tested, and meanwhile, the problems that the reliability of the circuit board is poor in actual use and the using effect of the LED screen is influenced because the existing circuit board does not have the function of performing high-temperature and compression-resistant detection on the circuit board body before use are solved.
2. The utility model improves the stability of the detection box body by arranging the supporting block for supporting the detection box body, the door can be opened and closed conveniently under the action of the handle, the contact area between the circuit board body and the pressure column is increased by arranging the extension plate, the precision of the compression test of the circuit board body is improved, the pressing spring is arranged for pressing the clamping plate, so that the clamping plate has the effect of clamping and fixing the circuit board body, the protection pad protects the circuit board body to prevent the clamping plate from damaging the circuit board body in the clamping process, the fixing ring is used for installing and fixing the heating pipe, so that the use stability of the heating pipe is improved, the heating pipe is prevented from deviating to cause uneven heating, the observation window is convenient for observe the interior of the detection box body, and then the circuit board body test condition is convenient to observe.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a partial enlarged view of the utility model at a in fig. 2.
In the figure: 1. detecting the box body; 2. a box door; 3. a handle; 4. a support plate; 5. a circuit board body; 6. a pressure column; 7. placing the box; 8. a weight; 9. a through groove; 10. an extension plate; 11. heating a tube; 12. a temperature detector; 13. a fixing ring; 14. a support block; 15. a compression spring; 16. a clamping plate; 17. a protective pad; 18. an observation window; 19. adjusting a knob; 20. and a temperature display.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a device for testing the reliability of a circuit board of an LED screen comprises a detection box body 1, a box door 2 is arranged on the top of the detection box body 1, a through groove 9 is formed in the box door 2, support plates 4 are fixedly arranged on both sides of an inner cavity of the detection box body 1, a circuit board body 5 is arranged on the top of the support plates 4, a pressure column 6 is arranged on the top of the circuit board body 5, the top of the pressure column 6 penetrates through the through groove 9 and extends to the upper side of the box door 2, the pressure column 6 is slidably connected with the through groove 9, a placing box 7 is fixedly arranged on the top of the pressure column 6, a weight 8 is placed in the placing box 7, a heating pipe 11 is arranged in the detection box body 1 and below the circuit board body 5, temperature detectors 12 are arranged on both sides of the inner cavity of the detection box body 1, the temperature detectors 12 are arranged on both sides of the heating pipe 11, and a control panel is arranged on the front side of the detection box body 1, the front of the control panel is provided with adjusting knobs 19 and temperature displays 20, the temperature displays 20 are positioned between the adjusting knobs 19, the high-temperature and compression-resistant test of the circuit board body 5 is realized by matching the detection box body 1, the box door 2, the handle 3, the supporting plate 4, the pressure columns 6, the placing box 7, the weights 8, the through groove 9, the extending plate 10, the heating pipe 11, the temperature detector 12, the fixing ring 13, the supporting block 14, the extrusion spring 15, the clamping plate 16, the protective pad 17, the observation window 18, the adjusting knobs 19 and the temperature displays 20, the reliability of the circuit board body 5 in the aspects of high temperature and compression resistance is checked, the supporting blocks 14 are fixedly installed on two sides of the bottom of the detection box body 1, the handle 3 is fixedly installed on the right side of the top of the box door 2, the supporting block 14 is used for supporting the detection box body 1, and the stability of the detection box body 1 is improved, the box door 2 is convenient to open and close under the action of the handle 3, the bottom of the pressure column 6 is fixedly provided with an extension plate 10, the extension plate 10 is positioned at the top of the circuit board body 5, the extension plate 10 is used for increasing the contact area between the circuit board body 5 and the pressure column 6 by arranging the extension plate 10, the precision of the compression test on the circuit board body 5 is improved, both sides of the inner cavity of the detection box body 1 are fixedly provided with extrusion springs 15, one side, relatively close to the extrusion springs 15, of each extrusion spring is fixedly provided with a clamping plate 16, the other side of each clamping plate 16 is provided with a protective pad 17, each protective pad 17 is in contact with the circuit board body 5, the extrusion springs 15 are used for extruding the clamping plates 16, so that the clamping plates 16 play a clamping and fixing effect on the circuit board body 5, the circuit board body 5 is protected by the protective pads 17, and the circuit board body 5 is prevented from being damaged by the clamping plates 16 in the clamping process, the bottom fixed mounting who detects 1 inner chamber of box has evenly distributed's solid fixed ring 13, gu fixed ring 13 cover locates the surface of heating pipe 11, be used for installing and fixing heating pipe 11 through setting up solid fixed ring 13, improve the stability in use of heating pipe 11, prevent that skew from appearing in heating pipe 11, it is inhomogeneous to lead to heating, the front that detects box 1 is provided with observation window 18, observation window 18 is located the top of control panel, be convenient for observe 1 inside of detection box through setting up observation window 18, and then be convenient for observe 5 test conditions of circuit board body.
During the use, door 2 is opened through handle 3, place circuit board body 5 in the inside of detecting box 1, backup pad 4 supports circuit board body 5, play fixed effect to circuit board body 5 under the effect of extrusion spring 15 and grip block 16, work through adjust knob 19 control heating pipe 11, detect the inside temperature of detecting box 1 under the effect of temperature detector 12, the temperature value who detects out shows through temperature monitor 20, accomplish the purpose to 5 high temperature detection of circuit board body, place weight 8 in the inside of placing box 7, make extension board 10 strengthen to the pressure of circuit board body 5, observe the deformation condition of circuit board body 5 through observation window 18, play pressure detection's effect to circuit board body 5.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a LED screen circuit board reliability testing arrangement, is including detecting box (1), its characterized in that: the detection box comprises a detection box body (1), a box door (2) is arranged at the top of the detection box body (1), a through groove (9) is formed in the box door (2), supporting plates (4) are fixedly arranged on two sides of an inner cavity of the detection box body (1), a circuit board body (5) is arranged at the top of each supporting plate (4), a pressure column (6) is arranged at the top of each circuit board body (5), the top of each pressure column (6) penetrates through the corresponding through groove (9) and extends to the upper side of the box door (2), the pressure columns (6) are in sliding connection with the through grooves (9), a placement box (7) is fixedly arranged at the top of the pressure columns (6), weights (8) are placed in the placement box (7), a heating pipe (11) is arranged in the detection box body (1) and below the circuit board body (5), temperature detectors (12) are arranged on two sides of the inner cavity of the detection box body (1), temperature-detecting appearance (12) are located the both sides of heating pipe (11), the front that detects box (1) is provided with the control panel, and the front of control panel is provided with adjust knob (19) and temperature display (20), temperature display (20) are located between adjust knob (19).
2. The LED screen circuit board reliability testing device of claim 1, wherein: the detection box is characterized in that supporting blocks (14) are fixedly mounted on two sides of the bottom of the detection box body (1), and a handle (3) is fixedly mounted on the right side of the top of the box door (2).
3. The LED screen circuit board reliability testing device of claim 1, wherein: the bottom of pressure post (6) fixed mounting has extension board (10), extension board (10) are located the top of circuit board body (5).
4. The LED screen circuit board reliability testing device of claim 1, wherein: the detection box is characterized in that extrusion springs (15) are fixedly mounted on two sides of an inner cavity of the detection box body (1), clamping plates (16) are fixedly mounted on one side of the extrusion springs (15) close to each other, protective pads (17) are arranged on the other side of each clamping plate (16), and the protective pads (17) are in contact with the circuit board body (5).
5. The LED screen circuit board reliability testing device of claim 1, characterized in that: the bottom fixed mounting that detects box (1) inner chamber has evenly distributed's solid fixed ring (13), gu fixed ring (13) cover is located the surface of heating pipe (11).
6. The LED screen circuit board reliability testing device of claim 1, wherein: the front of the detection box body (1) is provided with an observation window (18), and the observation window (18) is positioned above the control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220440623.0U CN216926407U (en) | 2022-03-02 | 2022-03-02 | LED screen circuit board reliability testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220440623.0U CN216926407U (en) | 2022-03-02 | 2022-03-02 | LED screen circuit board reliability testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216926407U true CN216926407U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220440623.0U Active CN216926407U (en) | 2022-03-02 | 2022-03-02 | LED screen circuit board reliability testing device |
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| CN (1) | CN216926407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117451768A (en) * | 2023-11-13 | 2024-01-26 | 湖北迈诺电路科技有限公司 | Circuit board tolerance test equipment and method |
-
2022
- 2022-03-02 CN CN202220440623.0U patent/CN216926407U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117451768A (en) * | 2023-11-13 | 2024-01-26 | 湖北迈诺电路科技有限公司 | Circuit board tolerance test equipment and method |
| CN117451768B (en) * | 2023-11-13 | 2024-06-04 | 湖北永创鑫电子有限公司 | Circuit board tolerance test equipment and method |
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