CN220019681U - Frame for LED screen aging test - Google Patents
Frame for LED screen aging test Download PDFInfo
- Publication number
- CN220019681U CN220019681U CN202321411709.1U CN202321411709U CN220019681U CN 220019681 U CN220019681 U CN 220019681U CN 202321411709 U CN202321411709 U CN 202321411709U CN 220019681 U CN220019681 U CN 220019681U
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- China
- Prior art keywords
- led screen
- bracket
- aging test
- air
- buffer pad
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 230000032683 aging Effects 0.000 title claims abstract description 18
- 238000007664 blowing Methods 0.000 claims abstract description 27
- 239000011521 glass Substances 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000017525 heat dissipation Effects 0.000 claims abstract description 15
- 230000004224 protection Effects 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 8
- 230000004888 barrier function Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The utility model relates to a stand for an LED screen aging test, which comprises a base and a bracket fixed at the top of the base, wherein the middle part of the bracket is provided with a protection mechanism for limiting an LED screen, and one side of the bracket far away from the LED screen is provided with a heat dissipation mechanism; the LED screen is supported by the buffer pad, and the LED screen provides thrust for the buffer pad, so that the two guide rods move to match with the corresponding deflector rods, the two rotating frames drive the barrier strips to contact with the top of the LED screen, the LED screen is prevented from toppling over during an aging test, and the LED screen is prevented from being damaged; through glass board and cover contact of breathing in, open the air pump for the air current that the blowing pipe blown out carries out the heat dissipation of blowing to the bottom of LED screen, has guaranteed the radiating efficiency when LED screen detects for a long time, and the cover of breathing in simultaneously is sucked the glass board, avoids the LED screen to take place to empty.
Description
Technical Field
The utility model relates to the technical field of LED screen production, in particular to a rack for LED screen aging test.
Background
The LED screen is a display mode by controlling the semiconductor light emitting diode, and the display mode is roughly formed by a plurality of small lamps, usually red, green and blue, and characters are displayed by turning on and off the lamps. After the LED screen in the prior art is arranged on the bracket, the direction of the LED screen cannot be adjusted, and a scheme is required to be provided for solving the technical problems;
as in the patent document with publication number CN206516287U, the device rotates the support rod through the rotation of the shaft, and rotates the frame, thereby changing the orientation of the first LED screen and the second LED screen; the electric push rod can enable the two second pin shafts to be close to or far away from each other, so that the scissor arms are stretched, the first support plate moves upwards, the second LED screen moves out of the back of the first support, and the second LED screen is exposed outside and can be seen by people; the second motor can rotate the lead screw, so that the screw nut moves upwards, the first support plate moves upwards, the second LED screen moves out of the back of the first support, and the second LED screen is exposed outside and can be seen by a person;
however, when the existing LED screen is subjected to aging test, long-time test is required, and the heat dissipation efficiency of the LED screen is too low, so that the service life of the LED screen is easily influenced; meanwhile, in the long-time testing process, the LED screen is easy to topple over, and damage of the LED screen can be caused.
Disclosure of Invention
The technical problem solved by the scheme is as follows:
how to solve the problem of falling down of the LED screen can be prevented when the LED screen is rapidly cooled.
The aim of the utility model can be achieved by the following technical scheme: the rack for the LED screen aging test comprises a base and a bracket fixed at the top of the base, wherein a protection mechanism for limiting the LED screen is arranged in the middle of the bracket, and a heat dissipation mechanism is arranged at one side, far away from the LED screen, of the bracket; the protection mechanism comprises a movable block movably inserted on the support, a cushion pad for supporting the LED screen is fixedly arranged at one end of the movable block, a glass plate is fixedly arranged at the other end of the movable block, two guide rods are symmetrically arranged on two sides of the top of the cushion pad, one ends of the guide rods are movably penetrated through the support and fixedly connected with a deflector rod, and a blocking unit for preventing the LED screen from toppling is movably arranged above the cushion pad.
The utility model further technically improves that: the obstruction unit comprises two rotating frames which are rotatably arranged with the bracket, one ends of the two rotating frames are commonly connected with obstruction bars which are contacted with the top of the LED screen, the other ends of the two rotating frames are fixedly connected with adjusting frames, the bottoms of the adjusting frames are provided with sliding grooves, and the two sliding grooves are respectively and movably connected with two deflector rods; support the LED screen through the blotter, because the LED screen provides thrust to the blotter for two guide bars remove, cooperate the driving lever that corresponds, make two rotating frames drive the top contact of barrier and LED screen, prevent that the LED screen from taking place to empty when carrying out ageing test, avoid it to receive the damage.
The utility model further technically improves that: a thrust spring is elastically arranged between the cushion pad and the bracket.
The utility model further technically improves that: the heat dissipation mechanism comprises an air pump fixedly arranged on the base, the output end of the air pump is communicated with a blowing pipe for blowing air to the LED screen, the middle part of the blowing pipe is communicated with an air storage cylinder through a connecting pipe, a piston is arranged in the air storage cylinder, the air storage cylinder is fixedly connected with the bracket, the top of the air storage cylinder is communicated with an air suction cover through an air suction pipe, and the air suction cover is in contact with the glass plate; through glass board and cover contact of breathing in, open the air pump for the air current that the blowing pipe blown out carries out the heat dissipation of blowing to the bottom of LED screen, has guaranteed the radiating efficiency when LED screen detects for a long time, simultaneously because the atmospheric pressure in the blowing pipe drops, makes the gas receiver pour into the blowing pipe with its inside air through the connecting pipe in, and the piston slides down, thereby reduces the atmospheric pressure in the cover of breathing in, makes the cover of breathing in hold the glass board, reduces the distance that the glass board resets, thereby avoids the LED screen to take place to empty.
The utility model further technically improves that: the middle part of the connecting pipe is fixedly provided with a one-way valve, and the opening direction of the one-way valve is consistent with the direction of air in the connecting pipe entering the blowpipe.
The utility model further technically improves that: and a supporting seat for supporting the LED screen is arranged on one side of the top of the base.
Compared with the prior art, the utility model has the beneficial effects that:
when the LED screen is used, the LED screen is supported by the buffer pad, and the LED screen provides thrust for the buffer pad, so that the two guide rods move, and the two rotating frames drive the barrier bars to contact with the top of the LED screen by matching with the corresponding deflector rods, so that the LED screen is prevented from toppling over during an aging test, and is prevented from being damaged; through glass board and cover contact of breathing in, open the air pump for the air current that the blowing pipe blown out carries out the heat dissipation of blowing to the bottom of LED screen, has guaranteed the radiating efficiency when LED screen detects for a long time, simultaneously because the atmospheric pressure in the blowing pipe drops, makes the gas receiver pour into the blowing pipe with its inside air through the connecting pipe in, and the piston slides down, thereby reduces the atmospheric pressure in the cover of breathing in, makes the cover of breathing in hold the glass board, reduces the distance that the glass board resets, thereby avoids the LED screen to take place to empty.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a protecting mechanism according to the present utility model;
FIG. 3 is a schematic perspective view of the structure of the blocking unit of the present utility model;
fig. 4 is a schematic structural diagram of a heat dissipation mechanism according to the present utility model.
In the figure: 1. a support base; 2. a base; 3. a heat dissipation mechanism; 4. a bracket; 5. a protective mechanism; 301. an air suction cover; 302. a piston; 303. a connecting pipe; 304. a blowing pipe; 305. an air pump; 306. an air reservoir; 307. an air suction pipe; 501. a rotating frame; 502. a barrier strip; 503. a cushion pad; 504. a glass plate; 505. a moving block; 506. a guide rod; 507. and an adjusting frame.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a stand for an LED screen burn-in test includes a base 2 and a bracket 4 fixed on the top of the base, wherein a protection mechanism 5 for limiting the LED screen is disposed in the middle of the bracket 4, and a heat dissipation mechanism 3 is disposed on one side of the bracket 4 away from the LED screen.
Referring to fig. 1-3, the protection mechanism 5 includes a moving block 505 movably inserted on a support 4, a buffer pad 503 fixedly mounted at one end of the moving block 505 for supporting an LED screen, a glass plate 504 fixedly disposed at the other end of the moving block 505, two guide rods 506 symmetrically disposed at two sides of the top of the buffer pad 503, one ends of the two guide rods 506 movably penetrate through the support 4 and are fixedly connected with a deflector rod, a thrust spring is elastically disposed between the buffer pad 503 and the support 4, and a blocking unit for preventing the LED screen from tilting is movably disposed above the buffer pad 503.
Referring to fig. 2 and 3, the blocking unit includes two rotating frames 501 rotatably disposed on the support 4, one ends of the two rotating frames 501 are connected with a blocking bar 502 contacting with the top of the LED screen, the other ends of the two rotating frames 501 are fixedly connected with an adjusting frame 507, a sliding groove is formed at the bottom of the adjusting frame 507, and the two sliding grooves are respectively movably connected with two driving levers; support the LED screen through blotter 503 for the LED screen is to the blotter 503 provides thrust, for two guide bars 506 remove, and the driving lever that corresponds of cooperation makes two rotating frame 501 drive the top contact of barrier 502 and LED screen, prevents that the LED screen from taking place to empty when carrying out ageing test, avoids it to receive the damage.
Referring to fig. 1, 2 and 4, the heat dissipation mechanism 3 includes an air pump 305 fixedly disposed on the base 2, an output end of the air pump 305 is communicated with a blowing pipe 304 for blowing air to the LED screen, a middle part of the blowing pipe 304 is communicated with an air reservoir 306 through a connecting pipe 303, a piston 302 is disposed in the air reservoir 306, the air reservoir 306 is fixedly connected with the bracket 4, and a top of the air reservoir 306 is communicated with an air suction cover 301 through an air suction pipe 307, and the air suction cover 301 contacts with a glass plate 504; through glass plate 504 and suction hood 301 contact, open air pump 305 for the air current that blowing pipe 304 blown out carries out the heat dissipation of blowing to the bottom of LED screen, has guaranteed the radiating efficiency when LED screen detects for a long time, simultaneously because the atmospheric pressure in the blowing pipe 304 drops, makes the gas receiver 306 pour into the blowing pipe 304 with its inside air through connecting pipe 303, and piston 302 slides down, thereby reduces the atmospheric pressure in the suction hood 301, makes suction hood 301 suck glass plate 504, reduces the distance that glass plate 504 resets, thereby avoid the LED screen to take place to empty.
Referring to fig. 4, a check valve is fixedly installed in the middle of the connecting pipe 303, and the opening direction of the check valve is consistent with the direction of air in the connecting pipe 303 entering the blowing pipe 304.
Referring to fig. 1, a support base 1 for supporting an LED screen is disposed on one side of the top of the base 2.
Working principle: when the LED screen ageing test device is used, firstly, external carrying equipment is manually controlled to place an LED screen on the supporting seat 1, the LED screen is inclined towards the buffer pad 503 under the action of gravity of the LED screen, the buffer pad 503 is used for supporting the LED screen, the LED screen provides thrust to the buffer pad 503, so that the two guide rods 506 move, and the two rotating frames 501 drive the barrier strips 502 to contact with the top of the LED screen in cooperation with the corresponding deflector rods, so that the LED screen is prevented from being inclined when ageing test is carried out, and damage to the LED screen is avoided; when the two guide rods 506 move, the glass plate 504 also moves, so that the glass plate 504 is in contact with the air suction cover 301, then the air pump 305 is started, so that air flow blown out by the air blowing pipe 304 blows and dissipates heat to the bottom of the LED screen, the heat dissipation efficiency of the LED screen during long-time detection is guaranteed, meanwhile, due to the fact that the air pressure in the air blowing pipe 304 is reduced, the air storage cylinder 306 injects air in the air blowing pipe 304 through the connecting pipe 303, the piston 302 slides downwards, the air pressure in the air suction cover 301 is reduced, the glass plate 504 is sucked by the air suction cover 301, the resetting distance of the glass plate 504 is reduced, and accordingly the LED screen is prevented from toppling.
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (6)
1. The utility model provides a frame for LED screen aging test, includes base (2) and fixes support (4) at its top, its characterized in that: the middle part of the bracket (4) is provided with a protection mechanism (5) for limiting the LED screen, and one side of the bracket (4) far away from the LED screen is provided with a heat dissipation mechanism (3); the protection mechanism (5) comprises a movable block (505) movably inserted on a support (4), a buffer pad (503) is fixedly arranged at one end of the movable block (505), a glass plate (504) is fixedly arranged at the other end of the movable block (505), two guide rods (506) are symmetrically arranged at two sides of the top of the buffer pad (503), one ends of the two guide rods (506) movably penetrate through the support (4) and are fixedly connected with deflector rods, and a blocking unit for preventing an LED screen from toppling is movably arranged above the buffer pad (503).
2. The rack for the aging test of the LED screen according to claim 1, wherein the blocking unit comprises two rotating frames (501) rotatably arranged with the bracket (4), one ends of the two rotating frames (501) are commonly connected with blocking bars (502), the other ends of the two rotating frames (501) are fixedly connected with adjusting frames (507), and bottoms of the two adjusting frames (507) are movably connected with two shifting levers respectively.
3. The frame for testing the aging of the LED screen according to claim 1, wherein a thrust spring is elastically arranged between the buffer pad (503) and the bracket (4).
4. The stand for the aging test of the LED screen according to claim 1, wherein the heat dissipation mechanism (3) comprises an air pump (305) fixedly arranged on the base (2), an output end of the air pump (305) is communicated with a blowing pipe (304), a middle part of the blowing pipe (304) is communicated with an air reservoir (306) through a connecting pipe (303), a piston (302) is arranged in the air reservoir (306), the air reservoir (306) is fixedly connected with the support (4), an air suction cover (301) is communicated with the top of the air reservoir (306), and the air suction cover (301) is in contact with the glass plate (504).
5. The stand for the aging test of the LED screen according to claim 4, wherein a one-way valve is fixedly installed in the middle of the connecting pipe (303).
6. The stand for the aging test of the LED screen according to claim 1, wherein a supporting seat (1) for supporting the LED screen is arranged on one side of the top of the base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411709.1U CN220019681U (en) | 2023-06-05 | 2023-06-05 | Frame for LED screen aging test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411709.1U CN220019681U (en) | 2023-06-05 | 2023-06-05 | Frame for LED screen aging test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220019681U true CN220019681U (en) | 2023-11-14 |
Family
ID=88692841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321411709.1U Active CN220019681U (en) | 2023-06-05 | 2023-06-05 | Frame for LED screen aging test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220019681U (en) |
-
2023
- 2023-06-05 CN CN202321411709.1U patent/CN220019681U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |