CN217384567U - LED display screen airtightness detection device - Google Patents
LED display screen airtightness detection device Download PDFInfo
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- CN217384567U CN217384567U CN202220567612.9U CN202220567612U CN217384567U CN 217384567 U CN217384567 U CN 217384567U CN 202220567612 U CN202220567612 U CN 202220567612U CN 217384567 U CN217384567 U CN 217384567U
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Abstract
The utility model relates to a LED display screen airtightness detection device, when in detection, an LED display screen to be detected is placed on a placing position, a telescopic component is started, a connecting pipe moves towards the direction close to the placing position, the LED display screen to be detected is abutted against the placing position, the connecting pipe is communicated with the LED display screen to be detected, a negative pressure instrument carries out vacuum-pumping treatment on the LED display screen to be detected through the connecting pipe, if air holes or gaps exist in the filling sealing silica gel and the waterproof ring on the LED display screen module to be detected, then can lead to the connecting pipe to treat that the LED display screen that detects can't carry out the evacuation and handle, treat the module on the LED display screen that detects and be the defective products, if the connecting pipe treats that the LED display screen that detects can carry out the evacuation and handle, treat the module on the LED display screen that detects and be the yields, avoid at the in-process of follow-up use, the LED display screen leads to damaging because of packing sealing silica gel and waterproof circle leak water.
Description
Technical Field
The utility model relates to a LED display screen airtight detection device's technical field especially relates to a LED display screen airtight detection device.
Background
LED display screen installs in outdoor environment, LED display screen's sealed waterproof grade is important safety index, traditional technology can only rely on the sealed raw and other materials quality of gluing of control and the machining precision of encapsulating equipment to ensure LED display screen's sealing performance, then detect the condition of having or not leaking water through simple trickle test to the LED display screen that produces and appear, its testing capability can only satisfy IPx4 grade, can't satisfy the waterproof grade of higher requirement, secondly unable science and the rigorous sealing capability who detects out the module, in case there is the little gas pocket that the naked eye is invisible, can have the potential safety hazard risk of leaking, lead to installing the in-process of using for a long time at outdoor LED display screen and intake, and then make LED display screen damaged because of intaking.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an airtight detection device of LED display screen.
According to the utility model discloses an aspect provides an airtight detection device of LED display screen, including placing the platform, the airtight detection device of LED display screen includes: the negative pressure instrument comprises a negative pressure instrument body, a telescopic assembly and an indicating lamp, wherein the telescopic assembly comprises a connecting pipe, the connecting pipe is communicated with the negative pressure instrument body, the telescopic assembly, the negative pressure instrument body and the indicating lamp are all installed on a placing table, and the placing table is provided with a placing position for placing a product.
Further, the LED display screen air tightness detection device further comprises a clamp, the clamp is fixedly mounted on the connecting pipe, and the connecting pipe is communicated with the clamp.
Furthermore, the telescopic assembly comprises a fixing piece, a movable groove is formed in the fixing piece, one end of the connecting pipe is contained in the movable groove, and the other end of the connecting pipe is fixedly connected with the clamp.
Furthermore, a first cavity is formed in the clamp, and the first cavity is communicated with the connecting pipe.
Furthermore, a second cavity is formed in the clamp, the second cavity is communicated with the first cavity, the maximum diameter of the second cavity is larger than that of the first cavity, an abutting surface is arranged on the clamp, and the abutting surface is located in the second cavity.
Further, the LED display screen air tightness detection device further comprises a controller, wherein the controller is installed on the placing table and electrically connected with the negative pressure instrument.
Furthermore, a first positioning plate and a second positioning plate are arranged on the placing position, and the first positioning plate and the second positioning plate are perpendicular to each other.
Furthermore, a sensor for detecting air pressure is arranged in the negative pressure instrument.
Further, the clamp is further provided with a butting part, and the butting part is close to the placing position.
Implement the embodiment of the utility model provides a, will have following beneficial effect:
in the embodiment of the device for detecting the air tightness of the LED display screen, during detection, the LED display screen to be detected is placed on the placing position, the device for detecting the air tightness of the LED display screen is started, the telescopic assembly is started, the connecting pipe moves towards the direction close to the placing position, the LED display screen to be detected is abutted against the placing position, the connecting pipe is communicated with the LED display screen to be detected (the connecting pipe is communicated with the inner cavity opening of the LED display screen to be detected), the negative pressure instrument vacuumizes the LED display screen to be detected through the connecting pipe, if the filling sealing silica gel and the waterproof ring on the LED display screen module to be detected have air holes or gaps, the connecting pipe cannot vacuumize the LED display screen to be detected, at the moment, the indicating lamp indicates the red lamp, the module on the LED display screen to be detected is a defective product, if the connecting pipe can vacuumize the LED display screen to be detected, the green lamp is indicated by the indicator lamp, the module to be detected on the LED display screen is a good product, and damage to the LED display screen caused by water leakage of the filled sealing silica gel and the waterproof ring is avoided in the subsequent use process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an airtight detection apparatus for an LED display panel according to an embodiment of the present invention;
FIG. 2 is an exploded view of the LED display panel air tightness detection device of FIG. 1;
fig. 3 is a schematic structural view of the jig of fig. 1.
Wherein: the negative pressure gauge comprises a placing table 10, a placing position 11, a first positioning plate 12, a second positioning plate 13, a negative pressure gauge 20, a telescopic assembly 30, a connecting pipe 31, a fixing piece 32, an indicator lamp 40, a clamp 50, a first cavity 51, a second cavity 52, an abutting surface 53, an abutting part 54 and a controller 60.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, an embodiment of the present invention provides an airtight detection device for a LED display screen, which includes a placing table 10, and the airtight detection device for the LED display screen includes: negative pressure appearance 20, flexible subassembly 30 and pilot lamp 40, flexible subassembly 30 includes connecting pipe 31, and connecting pipe 31 is linked together with negative pressure appearance 20, and flexible subassembly 30, negative pressure appearance 20 and pilot lamp 40 are all installed on placing platform 10, are equipped with the position 11 of placing that is used for placing the product on placing platform 10.
In this embodiment, during detection, the LED display screen to be detected is placed on the placing position 11, the LED display screen airtightness detection device is started, the retractable assembly 30 is started, the connecting pipe 31 moves towards the direction close to the placing position 11, the LED display screen to be detected is abutted against the placing position 11, the connecting pipe 31 is communicated with the LED display screen to be detected (the connecting pipe 31 is communicated with the inner cavity opening of the LED display screen to be detected), the negative pressure instrument 20 performs vacuum-pumping treatment on the LED display screen to be detected through the connecting pipe 31, if the filling sealing silica gel and the waterproof ring on the LED display screen module to be detected have air holes or gaps, the connecting pipe 31 cannot perform vacuum-pumping treatment on the LED display screen to be detected, at this time, the indicator lamp 40 indicates a red lamp, the module on the LED display screen to be detected is a defective product, if the connecting pipe 31 can perform vacuum-pumping treatment on the LED display screen to be detected, the indicating lamp 40 indicates a green lamp, and the module to be detected on the LED display screen is a good product, so that the LED display screen is prevented from being damaged due to water leakage caused by filling of sealing silica gel and a waterproof ring in the subsequent use process.
In the present embodiment, the telescopic assembly 30 is located above the placing site 11.
Further, the device for detecting the air tightness of the LED display screen further comprises a clamp 50, wherein the clamp 50 is fixedly installed on the connecting pipe 31, and the connecting pipe 31 is communicated with the clamp 50.
In the present embodiment, the vacuum gauge 20 is in communication with the retraction assembly 30 via an external hose.
In the present embodiment, the fixture 50 is used to fix the LED display screen to be detected on the placing position 11.
Further, the telescopic assembly 30 includes a fixing member 32, a movable groove (not shown) is formed on the fixing member 32, one end of the connecting pipe 31 is accommodated in the movable groove, and the other end of the connecting pipe 31 is fixedly connected to the clamp 50.
In the present embodiment, the connection pipe 31 has a hollow round bar structure.
Further, a first cavity 51 is formed in the clamp 50, and the first cavity 51 is communicated with the connecting pipe 31.
Further, a second cavity 52 is formed in the clamp 50, the second cavity 52 is communicated with the first cavity 51, the maximum diameter of the second cavity 52 is larger than that of the first cavity 51, an abutting surface 53 is arranged on the clamp 50, and the abutting surface 53 is located in the second cavity 52.
In this embodiment, the maximum diameter of the second cavity 52 is larger than the maximum diameter of the first cavity 51, so that the first cavity 51 can be vacuumized more quickly, the time for vacuuming is reduced, and the detection efficiency is improved.
Further, the device for detecting the air tightness of the LED display screen further comprises a controller 60, wherein the controller 60 is installed on the placing table 10, and the controller 60 is electrically connected with the negative pressure instrument 20.
In this embodiment, the controller 60 is configured to control the LED display screen air tightness detection device to detect the LED display screen to be detected.
Furthermore, a first positioning plate 12 and a second positioning plate 13 are arranged on the placing position 11, and the first positioning plate 12 and the second positioning plate 13 are arranged perpendicularly.
In this embodiment, the first positioning plate 12 is perpendicular to the second positioning plate 13, so that the LED display screen to be detected can be positioned and placed on the placing position 11 quickly.
Further, a sensor (not shown) for detecting air pressure is provided in the vacuum gauge 20.
In the present embodiment, the sensor is used to detect the degree of vacuum.
Further, the jig 50 is provided with an abutting portion 54, and the abutting portion 54 is adjacent to the placement site 11.
In the present embodiment, the abutment portion 54 has an annular structure.
Example (b):
in this embodiment, when in use, the LED display screen to be detected is placed on the placing position 11, two adjacent sides of the LED display screen to be detected are respectively abutted to the first positioning plate 12 and the second positioning plate 13, the controller 60 is started, the controller 60 controls the telescopic assembly 30 to work, the connecting pipe 31 moves in the movable groove, the connecting pipe 31 moves towards the direction close to the placing position 11 along the length direction of the connecting pipe 31, the fixture 50 is driven to move towards the direction close to the placing position 11, the surface of the LED display screen to be detected is abutted to the abutting portion 54, so that the LED display screen to be detected is fixed on the placing position 11, the waterproof ring of the LED display screen to be detected is accommodated in the second cavity 52 and abutted to the abutting surface 53, the LED display screen to be detected is conveniently positioned in the second cavity 52, the controller 60 controls the negative pressure instrument 20 to vacuumize the LED display screen to be detected through the connecting pipe 31 and the first cavity 51, the sensor in the negative pressure appearance 20 detects, detect the vacuum in first chamber 51 promptly, reach the predetermined vacuum in the negative pressure appearance 20 when first chamber 51 in the preset time, namely, the connecting pipe 31 treats that the LED display screen that detects can carry out evacuation processing, then the green lamp is instructed to pilot lamp 40, the module on the LED display screen that treats to detect is the yields, the vacuum predetermined in negative pressure appearance 20 has not been reached in the preset time when first chamber 51, then there is gas pocket or gap in filling sealed silica gel and the waterproof circle on the LED display screen module that treats to detect, lead to connecting pipe 31 to treat that the LED display screen that detects can't carry out evacuation processing, at this moment, pilot lamp 40 instructs the red lamp, the module on the LED display screen that treats to detect is the yields.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. The utility model provides a LED display screen airtightness detection device, is including placing the platform, its characterized in that, LED display screen airtightness detection device includes: the negative pressure instrument comprises a negative pressure instrument body, a telescopic assembly and an indicating lamp, wherein the telescopic assembly comprises a connecting pipe, the connecting pipe is communicated with the negative pressure instrument body, the telescopic assembly, the negative pressure instrument body and the indicating lamp are all installed on a placing table, and the placing table is provided with a placing position for placing a product.
2. The LED display screen airtightness detection apparatus according to claim 1, wherein the LED display screen airtightness detection apparatus further comprises a clamp, the clamp is fixedly mounted on the connection pipe, and the connection pipe is communicated with the clamp.
3. The device for detecting the airtightness of the LED display screen according to claim 2, wherein the telescopic assembly includes a fixing member, the fixing member is provided with a movable groove, one end of the connecting pipe is received in the movable groove, and the other end of the connecting pipe is fixedly connected to the clamp.
4. The device for detecting the airtightness of the LED display screen according to claim 2, wherein a first cavity is formed in the fixture, and the first cavity is communicated with the connecting pipe.
5. The LED display screen airtightness detection device according to claim 4, wherein a second cavity is formed in the fixture, the second cavity is communicated with the first cavity, the maximum diameter of the second cavity is larger than the maximum diameter of the first cavity, an abutting surface is arranged on the fixture, and the abutting surface is located in the second cavity.
6. The LED display screen airtightness detection apparatus according to claim 1, further comprising a controller, wherein the controller is mounted on the placement table, and the controller is electrically connected to the negative pressure gauge.
7. The LED display screen airtightness detection device according to claim 1, wherein a first positioning plate and a second positioning plate are arranged on the placement position, and the first positioning plate and the second positioning plate are arranged perpendicularly.
8. The LED display screen airtightness detection apparatus according to claim 1, wherein a sensor for detecting air pressure is provided in the negative pressure gauge.
9. The LED display screen airtightness detection apparatus according to claim 5, wherein the jig is further provided with an abutting portion, and the abutting portion is close to the placement position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220567612.9U CN217384567U (en) | 2022-03-15 | 2022-03-15 | LED display screen airtightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220567612.9U CN217384567U (en) | 2022-03-15 | 2022-03-15 | LED display screen airtightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217384567U true CN217384567U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220567612.9U Active CN217384567U (en) | 2022-03-15 | 2022-03-15 | LED display screen airtightness detection device |
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| CN (1) | CN217384567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230029615A1 (en) * | 2021-07-28 | 2023-02-02 | Manufacturing Resources International, Inc. | Display assemblies with differential pressure sensors |
| US20230160774A1 (en) * | 2021-07-28 | 2023-05-25 | Manufacturing Resources International, Inc. | Display assemblies with differential pressure sensors |
-
2022
- 2022-03-15 CN CN202220567612.9U patent/CN217384567U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230029615A1 (en) * | 2021-07-28 | 2023-02-02 | Manufacturing Resources International, Inc. | Display assemblies with differential pressure sensors |
| US20230160774A1 (en) * | 2021-07-28 | 2023-05-25 | Manufacturing Resources International, Inc. | Display assemblies with differential pressure sensors |
| US11921010B2 (en) * | 2021-07-28 | 2024-03-05 | Manufacturing Resources International, Inc. | Display assemblies with differential pressure sensors |
| US11965804B2 (en) * | 2021-07-28 | 2024-04-23 | Manufacturing Resources International, Inc. | Display assemblies with differential pressure sensors |
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