CN209980678U - Outdoor LED display screen - Google Patents
Outdoor LED display screen Download PDFInfo
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- CN209980678U CN209980678U CN201920587404.3U CN201920587404U CN209980678U CN 209980678 U CN209980678 U CN 209980678U CN 201920587404 U CN201920587404 U CN 201920587404U CN 209980678 U CN209980678 U CN 209980678U
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- display screen
- led display
- rectangular frame
- heat dissipation
- dehumidifying
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Abstract
The utility model discloses an outdoor LED display screen, which comprises a rectangular frame, a display screen fixing frame fixedly connected with the rectangular frame, an LED display screen arranged at the inner side of the display screen fixing frame and a controller arranged on the rectangular frame, wherein the rectangular frame is also provided with a dehumidifying device for dehumidifying the LED display screen and a heat radiating system for radiating the LED display screen; the heat dissipation system is fixedly connected with the rectangular frame and arranged on the rear side of the dehumidification device; the dehumidification device is arranged in the rectangular frame, so that water vapor can be effectively prevented from being accumulated in the rectangular frame to influence the work of electrical elements on the circuit board; and the heat dissipation system can timely dissipate heat of the LED display screen, so that stable work of the outdoor LED display screen is ensured.
Description
Technical Field
The utility model relates to a LED display screen technical field, in particular to outdoor LED display screen.
Background
An LED display screen is a display screen which is used for displaying various information such as characters, figures, images, animation and the like by controlling the display mode of a semiconductor light-emitting diode; because the LED display screen has the advantages of strong luminous brightness, clear and visible display content, clear and vivid color, strong stereoscopic impression and the like, the LED display screen can obtain the optimal playing effect under different brightness environments, and the LED display screen is widely applied to various outdoor occasions at present.
However, due to the special outdoor environment, the service life of the LED display screen is greatly shortened in rainy days and solarization conditions; the dust accumulation can affect the luminous brightness and the luminous effect of the LED lamp; in addition, dust and moisture can affect components on the circuit board, causing display white space on the surface of the LED display screen.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide an outdoor LED display screen with waterproof and dustproof functions and good heat dissipation effect.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an outdoor LED display screen comprises a rectangular frame, a display screen fixing frame fixedly connected with the rectangular frame, an LED display screen arranged on the inner side of the display screen fixing frame and a controller arranged on the rectangular frame; the rectangular frame is also provided with a dehumidifying device for dehumidifying the LED display screen and a heat radiating system for radiating the LED display screen; the dehumidification device is fixedly connected with the rectangular frame and arranged on the rear side of the display screen fixing frame, and the heat dissipation system is fixedly connected with the rectangular frame and arranged on the rear side of the dehumidification device.
Outdoor LED display screen in, dehydrating unit is including dehumidification box with a net, a plurality of dehumidification sponge and a plurality of activated carbon plate, activated carbon plate with the dehumidification sponge sets up in the dehumidification box with a net, and sets up in turn along the thickness direction of dehumidification box with a net, the dehumidification sponge is the wave structure.
Outdoor LED display screen in, cooling system includes the air intake, is used for radiating heat dissipation box and air outlet, the top in rectangular frame is seted up to the air intake, the bottom in rectangular frame is seted up to the air outlet, the heat dissipation box sets up between air intake and air outlet, communicates with external environment through air intake and air outlet.
In the outdoor LED display screen, a first dust cover is arranged on the air inlet, and a second dust cover is arranged on the air outlet.
In the outdoor LED display screen, a plurality of radiating fins are uniformly arranged in the radiating box.
In the outdoor LED display screen, the heat dissipation system further comprises a heat dissipation fan, the heat dissipation fan is arranged on the rear side of the heat dissipation box and fixed on the rectangular frame, the heat dissipation fan is connected with the controller, and the controller controls the start and stop of the heat dissipation fan.
In the outdoor LED display screen, a temperature sensor is further arranged on the rectangular frame and connected with the controller through a signal line.
In the outdoor LED display screen, the outer surface of the rectangular frame is coated with a waterproof material.
The outdoor LED display screen, the front side of LED display screen is provided with the apron, the apron is toughened glass, the department of connection of apron and rectangular frame bonds and has sealed the pad.
Advantageous effects
Compared with the prior art, the utility model provides an outdoor LED display screen, which can effectively prevent the accumulation of water vapor in the rectangular frame and the influence on the work of electrical elements on the circuit board by arranging the dehumidifying device in the rectangular frame; and the heat dissipation system can timely dissipate heat of the LED display screen to ensure stable work of the outdoor LED display screen, and the dust covers are respectively arranged on the air inlet and the air outlet to effectively prevent dust from entering the rectangular frame and avoid the dust from influencing the work of electrical components.
Drawings
Fig. 1 is a schematic structural view of an outdoor LED display screen provided by the present invention;
fig. 2 is a schematic structural view of a dehumidifying net cage according to the present invention;
fig. 3 is a schematic structural diagram of the heat dissipation box provided by the present invention.
Detailed Description
The utility model provides an outdoor LED display screen, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the embodiment is lifted to follow with reference to the attached drawing the utility model discloses do further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it should be understood that the terms "top", "bottom", "rear side", etc. indicate the orientation or position relationship of the present invention based on the drawings, and are only for convenience of description and simplified description. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Referring to fig. 1, the present invention provides an outdoor LED display screen, which includes a rectangular frame 1, a display screen fixing frame 2 fixedly mounted inside the rectangular frame 1 by bolts, an LED display screen (not shown in the figure) disposed inside the display screen fixing frame 2, and a controller 3 disposed on the rectangular frame 1; the rectangular frame 1 is also provided with a dehumidifying device 4 for dehumidifying the LED display screen and a heat radiating system 5 for radiating the heat of the LED display screen; the dehumidifying device 4 is fixedly connected with the rectangular frame 1 and is arranged at the rear side of the display screen fixing frame 2, and the heat radiating system 5 is fixedly connected with the rectangular frame 1 and is arranged at the rear side of the dehumidifying device 4; in the embodiment, the controller is of a type of DATA-6311, and is mounted on the back plate of the rectangular frame through bolts.
Further, referring to fig. 2, the dehumidifying device 4 includes a dehumidifying net cage 41, a plurality of dehumidifying sponges 42 and a plurality of activated carbon plates 43, the activated carbon plates 43 and the dehumidifying sponges 42 are disposed in the dehumidifying net cage 41 and are alternately arranged along the thickness direction of the dehumidifying net cage 41, and the dehumidifying sponges 42 are in a wave-shaped structure; in the present embodiment, the dehumidifying net cage 41 is fixedly installed in the rectangular frame 1 by screws.
Further, referring to fig. 1, the heat dissipation system includes an air inlet 11, a heat dissipation box 5 for dissipating heat, and an air outlet 12, where the air inlet 11 is opened at the top of the rectangular frame 1, the air outlet 12 is opened at the bottom of the rectangular frame 1, the heat dissipation box 5 is disposed between the air inlet 11 and the air outlet 12, and is communicated with the external environment through the air inlet 11 and the air outlet 12; in the present embodiment, the heat dissipation case 5 is fixedly mounted in the rectangular frame 1 by screws.
Preferably, the air inlet 11 is provided with a first dust cover (not shown in the figure), and the air outlet 12 is provided with a second dust cover (not shown in the figure); the first dust cover is arranged on the air inlet and the second dust cover is arranged on the air outlet, so that dust and the like can be effectively prevented from entering the rectangular frame from the air inlet or the air outlet, and the phenomenon that the dust affects electrical elements on a circuit board to cause a blank area on a display screen is avoided; in this embodiment, the first dust cover is mounted inside the air inlet 11 by screws, and the second dust cover is mounted inside the air outlet 12 by screws.
Further, referring to fig. 3, a plurality of heat dissipation fins 51 are uniformly disposed in the heat dissipation box 5; in practical application, the heat dissipation plates 51 and the heat dissipation box 5 are integrally formed, and the heat dissipation plates are aluminum profile heat dissipation plates.
Further, referring to fig. 1, the heat dissipation system further includes a heat dissipation fan 6, the heat dissipation fan 6 is disposed at the rear side of the heat dissipation box 5 and fixed on the rectangular frame, the heat dissipation fan 6 is connected with the controller 3, and the controller 3 controls the start and stop of the heat dissipation fan 6; in this embodiment, the heat dissipation fan is mounted on the back plate of the rectangular frame by bolts.
Further, referring to fig. 1, the temperature sensor 7 is mounted on the back plate of the rectangular frame through screws, and the temperature sensor 7 is connected with the controller 3 through a signal line; when the LED display screen is in a working state, heat is generated, when the temperature sensor detects that the temperature in the rectangular frame rises to a preset upper limit temperature, if the upper limit temperature is 40 ℃, the temperature sensor sends a signal for turning on the cooling fan to the controller, and the controller controls the cooling fan to be turned on, so that the air circulation between the LED display screen and the external environment is accelerated, and the cooling effect is achieved; when the temperature sensor detects that the temperature in the rectangular frame is reduced to a preset lower limit temperature, if the lower limit temperature is 20 ℃, the temperature sensor sends a signal for closing the cooling fan to the controller, and the controller controls the cooling fan to be closed; the arrangement of the temperature sensor improves the intelligence of the heat dissipation function of the outdoor LED display screen.
Preferably, the outer surface of the rectangular frame 1 is coated with a waterproof material, and the coating of the waterproof material can effectively prolong the service life of the outdoor LED display screen.
Furthermore, a cover plate (not shown in the figure) is arranged on the front side of the LED display screen, the cover plate is made of toughened glass, a buckle is connected to the bottom of the cover plate through a thread, and the buckle is stably matched with the rectangular fixing frame; a sealing gasket is arranged at the joint of the cover plate and the rectangular frame in a bonding way; the cover plate is in sealing contact with the rectangular frame through the sealing gasket, so that water vapor or dust can be effectively prevented from entering the rectangular frame from the joint between the cover plate and the rectangular frame.
It is understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications are intended to fall within the scope of the appended claims.
Claims (7)
1. An outdoor LED display screen comprises a rectangular frame, a display screen fixing frame fixedly connected with the rectangular frame, an LED display screen arranged on the inner side of the display screen fixing frame and a controller arranged on the rectangular frame, and is characterized in that a dehumidifying device used for dehumidifying the LED display screen and a heat dissipation system used for dissipating heat of the LED display screen are further arranged on the rectangular frame; the heat dissipation system is fixedly connected with the rectangular frame and arranged on the rear side of the dehumidification device; the heat dissipation system comprises an air inlet, a heat dissipation box and an air outlet, the heat dissipation box is used for dissipating heat, the air inlet is formed in the top of the rectangular frame, the air outlet is formed in the bottom of the rectangular frame, and the heat dissipation box is arranged between the air inlet and the air outlet and is communicated with the external environment through the air inlet and the air outlet; a plurality of radiating fins are uniformly arranged in the radiating box.
2. The outdoor LED display screen according to claim 1, wherein the dehumidifying device comprises a dehumidifying net cage, a plurality of dehumidifying sponges and a plurality of activated carbon plates, the activated carbon plates and the dehumidifying sponges are arranged in the dehumidifying net cage and are alternately arranged along the thickness direction of the dehumidifying net cage, and the dehumidifying sponges are of a wave-shaped structure.
3. The outdoor LED display screen of claim 1, wherein the air inlet is provided with a first dust cover, and the air outlet is provided with a second dust cover.
4. The outdoor LED display screen of claim 1, wherein the heat dissipation system further comprises a heat dissipation fan, the heat dissipation fan is disposed at the rear side of the heat dissipation box and fixed on the rectangular frame, the heat dissipation fan is connected with the controller, and the controller controls the start and stop of the heat dissipation fan.
5. The outdoor LED display screen of claim 4, wherein the rectangular frame is further provided with a temperature sensor, and the temperature sensor is connected with the controller through a signal line.
6. The outdoor LED display screen of claim 1, wherein the outer surface of the rectangular frame is coated with a waterproof material.
7. The outdoor LED display screen of claim 1, wherein a cover plate is arranged on the front side of the LED display screen, the cover plate is made of tempered glass, and a sealing gasket is bonded at the joint of the cover plate and the rectangular frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920587404.3U CN209980678U (en) | 2019-04-26 | 2019-04-26 | Outdoor LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920587404.3U CN209980678U (en) | 2019-04-26 | 2019-04-26 | Outdoor LED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209980678U true CN209980678U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920587404.3U Active CN209980678U (en) | 2019-04-26 | 2019-04-26 | Outdoor LED display screen |
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| Country | Link |
|---|---|
| CN (1) | CN209980678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114677809A (en) * | 2022-03-25 | 2022-06-28 | 长沙宏达威爱信息科技有限公司 | Sharing auxiliary education platform based on VR mode |
-
2019
- 2019-04-26 CN CN201920587404.3U patent/CN209980678U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114677809A (en) * | 2022-03-25 | 2022-06-28 | 长沙宏达威爱信息科技有限公司 | Sharing auxiliary education platform based on VR mode |
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