CN209822205U - Outdoor LCD display device - Google Patents
Outdoor LCD display device Download PDFInfo
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- CN209822205U CN209822205U CN201920758459.6U CN201920758459U CN209822205U CN 209822205 U CN209822205 U CN 209822205U CN 201920758459 U CN201920758459 U CN 201920758459U CN 209822205 U CN209822205 U CN 209822205U
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Abstract
The utility model relates to a display device technical field especially relates to an outdoor LCD display device. This equipment includes the casing and sets up the display screen in the casing, forms the heat dissipation wind channel between the inner wall of display screen and casing, still includes: the display screen is arranged above the separation plate and positioned between the air inlet and the air outlet, and the air outlet can be communicated to the outside of the shell; the refrigeration assembly is used for cooling the display screen, is arranged on the outer side of the shell and is positioned below the partition plate, and can be communicated with the air inlet; and the filtering piece is arranged on the shell and used for filtering impurities in the cold air sent by the air inlet pipeline. The refrigeration assembly can continuously discharge hot air in the heat dissipation channel and heat generated by the display screen during working out of the shell through the air outlet when the display screen dissipates heat, and impurities in the heat dissipation air channel are discharged at the same time, so that the heat dissipation efficiency is improved.
Description
Technical Field
The utility model relates to a display device technical field especially relates to an outdoor LCD display device.
Background
As LCD display technology plays an increasingly important role in many technical fields and the application level of national informatization, new industrialization construction and management is continuously improved, the market of outdoor LCD display devices shows a steady growth trend. However, when the outdoor LCD display device works, sunlight often directly irradiates the front glass of the LCD, which causes the surface temperature of the LCD display screen to rise rapidly, thereby affecting the playing effect of the LCD display device and further shortening the service life of the LCD display device.
Among the prior art, multi-purpose air conditioner refrigerating system dispels the heat to outdoor LCD display device, makes the cold wind that the air conditioner produced specifically encircle and flow in the front portion and the rear portion of LCD display screen, forms the wind channel circulation to reach the radiating effect to the LCD display screen. However, the refrigeration method using the air conditioner to form the air duct circulation cannot discharge the heat inside the air duct, and only depends on the cool air discharged by the air conditioner to cool the air duct, and the irradiation of sunlight and the operation of the LCD display device can cause the LCD display screen to generate heat continuously, thereby causing the heat dissipation efficiency of the LCD display screen to be low; in addition, air conditioner refrigeration can not get rid of the inside impurity in wind channel, also can influence the radiating efficiency of display screen.
Therefore, an outdoor LCD display device is needed to be provided, which can solve the problems of low heat dissipation efficiency of the LCD display screen and more impurities in the air duct caused by air conditioning refrigeration in the prior art, and further shorten the service life of the LCD display screen.
SUMMERY OF THE UTILITY MODEL
Based on above, an object of the utility model is to provide an outdoor LCD display device can be constantly with the heat discharge of the inside and LCD display screen in wind channel, can discharge the inside impurity in wind channel simultaneously, guarantees the radiating effect and improves the radiating efficiency, and then prolongs the life of display screen.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an outdoor LCD display device, includes the casing and sets up display screen in the casing, the display screen with form the heat dissipation wind channel between the inner wall of casing, still include:
the display screen is arranged above the separation plate and positioned between the air inlet and the air outlet, and the air outlet can be communicated to the outside of the shell;
the refrigeration assembly is used for cooling the display screen and comprises an air inlet pipeline and a semiconductor refrigeration piece, the air inlet pipeline is arranged on the shell and is positioned below the partition plate, the semiconductor refrigeration piece is arranged on the pipe wall of the air inlet pipeline, one end of the air inlet pipeline is provided with an air supply fan, and the other end of the air inlet pipeline can be communicated with the air inlet;
and the filtering piece is arranged on the shell and used for filtering impurities in the cold air sent into the air inlet pipeline.
As a preferred scheme of outdoor LCD display equipment, the inside of casing is provided with T type baffle, T type baffle can with the below space of division board divides into air supply chamber and air-out room, the air supply chamber with heat dissipation wind channel with the intake stack all communicates, air-out room with heat dissipation wind channel intercommunication.
As an outdoor LCD display device's preferred scheme, still be provided with the air-out pipeline on the casing, the air-out pipeline with go out the plenum with the wind channel all communicates dispels the heat.
As an outdoor LCD display device's preferred scheme, first intercommunication mouth has been seted up on the supply-air chamber, the intake stack set up in first intercommunication mouth department, the second intercommunication mouth has been seted up on the air-out chamber, the air-out pipeline set up in second intercommunication mouth department.
As a preferred scheme of outdoor LCD display equipment, still be provided with the fan with higher speed in the air supply room, the fan with higher speed is used for making the cold wind that the intake stack sent into get into in the heat dissipation wind channel.
As a preferred scheme of outdoor LCD display device, the bottom of casing is provided with the base, the one end of T type baffle connect in the division board, the other end connect in the base, the fan sets up in with higher speed on the base.
As a preferred scheme of outdoor LCD display device, the one end that the air-out pipeline keeps away from the casing is provided with air-out fan, air-out fan is used for taking out the hot-air in the air-out room.
The utility model has the advantages that:
the utility model provides an outdoor LCD display device, semiconductor refrigeration piece can send air supply fan into the air temperature reduction of intake stack, then dispels the heat to the LCD display screen in getting into the heat dissipation wind channel through the air intake on the division board. In the heat dissipation process, hot air in the heat dissipation channel and heat generated by the display screen during working can be continuously discharged out of the shell through the air outlet, so that the heat dissipation efficiency of the LCD display screen is greatly improved; filter the impurity in can stopping the air in the air inlet line, and the air flow in-process also can be with the inside impurity discharge casing in heat dissipation wind channel to guarantee the radiating effect of display screen. The arrangement prolongs the service life of the LCD display screen.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and 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 the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an outdoor LCD display device according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating the principle that the outdoor LCD display device provided by the embodiment of the present invention dissipates heat of the display screen.
In the figure:
1. a housing; 2. a display screen; 3. a playback system and a power supply; 4. glass; 5. a partition plate; 51. an air inlet; 52. an air outlet; 6. an air inlet pipeline; 7. an air supply fan; 8. a semiconductor refrigeration sheet; 9. an air outlet pipeline; 10. an air outlet fan; 11. an accelerating fan; 12. a filter member; 13. a T-shaped baffle plate; 14. a base; 151. An air supply chamber; 152. an air outlet chamber; 16. and a heat dissipation air duct.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The technical solution of the present invention is further explained by the specific embodiments with reference to the drawings.
The embodiment provides an outdoor LCD display device, and belongs to the technical field of display devices. As shown in fig. 1, the apparatus comprises a housing 1, a display screen 2 and a refrigeration assembly. Wherein, the bottom of the shell 1 is provided with a base 14 for supporting the shell 1 and the internal structure thereof; a partition plate 5 is arranged in the shell 1, the partition plate 5 divides the shell 1 into an upper space and a lower space, the display screen 2 is positioned above the partition plate 5 and fixed on the partition plate 5, a heat dissipation air duct 16 is formed between the display screen 2 and the inner wall of the shell 1, glass 4 fixed on the shell 1 is arranged in front of the display screen 2, and sunlight irradiates the glass 4 to enable the display screen 2 to be rapidly heated; a playing system and a power supply 3 are arranged behind the display screen 2; the partition plate 5 is provided with an air inlet 51 and an air outlet 52 which are communicated with the heat dissipation air duct 16, the refrigeration assembly is communicated with the air inlet 51, and the air outlet 52 is communicated to the outside of the shell 1. When heat dissipation is needed, the refrigeration assembly sends cold air into the heat dissipation air duct 16 through the air inlet 51, the cold air flows to the back of the display screen 2 from the front of the display screen 2, and heat in the heat dissipation air duct 16 and heat generated by the display screen 2 are discharged to the outside of the shell 1 through the air outlet 52, so that the heat dissipation effect of the display screen 2 is ensured.
Specifically, the refrigeration assembly comprises an air inlet duct 6, an air supply fan 7 and a semiconductor refrigeration piece 8. Specifically, a first communication port is formed in the side wall of the shell 1 in front of the display screen 2, and the air inlet pipeline 6 is arranged at the first communication port and is positioned below the partition plate 5; the air supply fan 7 is arranged at one end of the air inlet pipeline 6, which is far away from the shell 1, and is used for sending air into the air inlet pipeline 6; the semiconductor refrigeration piece 8 is arranged on the side wall of the air inlet pipeline 6 and used for cooling and refrigerating air in the air inlet pipeline 6.
In order to guarantee the refrigerating effect, a plurality of semiconductor refrigerating pieces 8 are arranged on the side wall of the air inlet pipeline 6 in the vertical direction, a heat insulation layer (not shown in the figure) covers the air inlet pipeline 6, and grooves are formed in the positions, corresponding to the semiconductor refrigerating pieces 8, of one side, in contact with the air inlet pipeline 6, of the heat insulation layer, and are used for containing the semiconductor refrigerating pieces 8. Specifically, be provided with two semiconductor refrigeration pieces 8 on the last lateral wall of intake stack 6 in this embodiment, also be provided with two semiconductor refrigeration pieces 8 on the lower lateral wall, however in other embodiments, semiconductor refrigeration piece 8 can set up on the lateral wall of intake stack 6 with a certain quantity circumference, and can set up the multiunit according to the length of intake stack 6, the interval to guarantee good refrigeration effect.
In addition, in order to prevent the air supply fan 7 from bringing impurities in the air into the heat dissipation air duct 16, a filter member 12 is provided inside the housing 1, and specifically, the filter member 12 is provided at the first communication port. Before cold air in the air supply duct 6 enters the heat dissipation air duct 16, impurities in the cold air must be filtered by the filter 12, so that accumulation of the impurities in the heat dissipation air duct 16 is reduced, and the heat dissipation effect of the display screen 2 is guaranteed. In this embodiment, the filter member 12 is configured as a filter with a larger mesh number for better filtering effect, however, in other embodiments, the filter member 12 may be configured as other structures.
In order to separate the cold air from the hot air in the heat dissipation air duct 16, in this embodiment, a T-shaped baffle 13 is optionally further disposed inside the casing 1. One end of the T-shaped baffle 13 is connected to the partition plate 5, and the other end is connected to the base 14, so that the space below the partition plate 5 is divided into two spaces, namely a blowing chamber 151 and an air outlet chamber 152, wherein the blowing chamber 151 is communicated with the air inlet duct 6 and the heat dissipation air duct 16, specifically, cold air in the air inlet duct 6 firstly enters the blowing chamber 151 and then enters the heat dissipation air duct 16 between the display screen 2 and the glass 4 through the air inlet 51; the air outlet chamber 152 is communicated with the heat dissipation air duct 16 behind the display screen 2, and hot air enters the air outlet chamber 152 through the air outlet 52 and is then discharged out of the casing 1, so that heat dissipation of the display screen 2 is realized.
In order to accelerate the discharge speed of the hot air, optionally, an air outlet pipeline 9 communicated with the air outlet chamber 152 is arranged on the side wall of the air outlet chamber 152, specifically, a second communication port is arranged on the side wall of the air outlet chamber 152, and the air outlet pipeline 9 is arranged at the second communication port; the end of the air outlet duct 9 away from the air outlet chamber 152 is provided with an air outlet fan 10 for rapidly extracting the hot air discharged from the heat dissipation air duct 16 into the air outlet chamber 152 and discharging the hot air out of the housing 1, so as to shorten the retention time of the hot air in the housing 1 and further improve the heat dissipation efficiency of the display screen 2.
In order to make the cold air flow into the heat dissipation air duct 16 rapidly, optionally, an accelerating fan 11 is provided in the blowing chamber 151, and the accelerating fan 11 is fixed on the base 14. After the cold air enters the air supply chamber 151 from the air inlet duct 6, the accelerating fan 11 is started to blow the cold air into the heat dissipation air duct 16 quickly, so as to further improve the heat dissipation efficiency of the display screen 2.
Preferably, the outdoor LCD display device provided in this embodiment may further include a controller (not shown in the figure), where the controller may be a centralized or distributed controller, for example, the controller may be a single chip microcomputer or may be formed by a plurality of distributed single chip microcomputers, and the single chip microcomputer may run a control program to further control the air supply fan 7, the semiconductor cooling sheet 8, the air outlet fan 10, and the acceleration fan 11 to implement the functions thereof. The above control loops are all prior art in the field, and are not described herein again.
The outdoor LCD display device provided by this embodiment has the following specific working process:
1. starting an air supply fan 7 to send air into an air inlet pipeline 6;
2. the semiconductor refrigerating sheet 8 refrigerates the air in the air inlet pipeline 6, and then the air enters the air supply chamber 151 through the filtering piece 12;
3. starting the accelerating fan 11 to make the cold air rapidly enter the heat dissipation air duct 16 through the air inlet 51;
4. the cold air flows in the heat dissipation air duct 16, and flows from the front of the display screen 2 to the rear of the display screen 2 (refer to fig. 2);
5. the air inlet duct 6 continuously sends new cold air into the heat dissipation air duct 16, so as to drive the hot air in the previous heat dissipation air duct 16 to the air outlet chamber 152 through the air outlet 52;
6. the air outlet fan 10 is started to continuously pump out the hot air in the air outlet chamber 152.
In the outdoor LCD display device provided by this embodiment, the semiconductor cooling plate 8 can lower the temperature of the air sent by the air supply fan 7 into the air inlet duct 6, and then the air enters the heat dissipation air duct 16 through the air inlet 51 on the partition plate 5 to dissipate heat of the LCD display screen 2. In the heat dissipation process, the hot air in the heat dissipation channel 16 and the heat generated by the display screen 2 during operation can be continuously discharged out of the shell 1 through the air outlet 52, so that the heat dissipation efficiency of the display screen 2 is greatly improved; the filtering member 12 can block impurities in the air inlet duct 6, and impurities in the heat dissipation air duct 16 can be discharged out of the housing 1 during the air flowing process, so that the heat dissipation effect of the display screen 2 is ensured. The arrangement prolongs the service life of the LCD display screen 2.
In the description of the present application, it is to be noted that the terms "horizontal", "vertical", "upward", "downward", "below", "above", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (7)
1. An outdoor LCD display device, includes casing (1) and sets up display screen (2) in casing (1), display screen (2) with form heat dissipation wind channel (16) between the inner wall of casing (1), its characterized in that still includes:
the partition plate (5) is arranged inside the shell (1), an air inlet (51) and an air outlet (52) which are communicated with the heat dissipation air duct (16) are formed in the partition plate (5), the display screen (2) is arranged above the partition plate (5) and located between the air inlet (51) and the air outlet (52), and the air outlet (52) can be communicated to the outside of the shell (1);
the refrigeration assembly is used for cooling the display screen (2) and comprises an air inlet pipeline (6) and semiconductor refrigeration sheets (8), the air inlet pipeline (6) is arranged on the shell (1) and is positioned below the partition plate (5), the semiconductor refrigeration sheets (8) are arranged on the pipe wall of the air inlet pipeline (6), an air supply fan (7) is arranged at one end of the air inlet pipeline (6), and the other end of the air inlet pipeline can be communicated with the air inlet (51);
and the filtering piece (12) is arranged on the shell (1) and is used for filtering impurities in the cold air sent into the air inlet pipeline (6).
2. An outdoor LCD display device according to claim 1, wherein the casing (1) is provided with a T-shaped baffle (13) inside, the T-shaped baffle (13) can divide the space below the partition plate (5) into a blowing chamber (151) and an air outlet chamber (152), the blowing chamber (151) is communicated with the heat dissipation air duct (16) and the air inlet duct (6), and the air outlet chamber (152) is communicated with the heat dissipation air duct (16).
3. An outdoor LCD display apparatus according to claim 2, characterized in that an air outlet duct (9) is further provided on the casing (1), and the air outlet duct (9) is communicated with both the air outlet chamber (152) and the heat dissipation air duct (16).
4. The outdoor LCD display apparatus of claim 3, wherein the air supply chamber (151) is opened with a first communicating opening, the air inlet duct (6) is disposed at the first communicating opening, the air outlet chamber (152) is opened with a second communicating opening, and the air outlet duct (9) is disposed at the second communicating opening.
5. An outdoor LCD display device according to claim 2, wherein an accelerating fan (11) is further disposed in the blowing chamber (151), and the accelerating fan (11) is used for making the cold air fed from the air inlet duct (6) enter the heat dissipation air duct (16).
6. An outdoor LCD display device according to claim 5, characterized in that the bottom of the casing (1) is provided with a base (14), one end of the T-shaped baffle (13) is connected to the partition plate (5) and the other end is connected to the base (14), and the accelerating fan (11) is arranged on the base (14).
7. An outdoor LCD display device according to claim 3, characterized in that the end of the air outlet duct (9) remote from the casing (1) is provided with an air outlet fan (10), and the air outlet fan (10) is used for extracting hot air from the air outlet chamber (152).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920758459.6U CN209822205U (en) | 2019-05-24 | 2019-05-24 | Outdoor LCD display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920758459.6U CN209822205U (en) | 2019-05-24 | 2019-05-24 | Outdoor LCD display device |
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| Publication Number | Publication Date |
|---|---|
| CN209822205U true CN209822205U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920758459.6U Active CN209822205U (en) | 2019-05-24 | 2019-05-24 | Outdoor LCD display device |
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| CN (1) | CN209822205U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111489652A (en) * | 2020-05-27 | 2020-08-04 | 深圳市创意之都投资有限公司 | Intelligent floor index screen |
| CN112074152A (en) * | 2020-08-25 | 2020-12-11 | 深圳市元鼎科技有限公司 | Waterproof heat dissipation air duct structure and electronic equipment |
| CN113643616A (en) * | 2021-08-13 | 2021-11-12 | 宁波视睿迪光电有限公司 | Display device |
| CN114694530A (en) * | 2022-04-18 | 2022-07-01 | 深圳市迅豹聚能科技有限公司 | Outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation |
| CN114974009A (en) * | 2022-04-13 | 2022-08-30 | 深圳市迅豹聚能科技有限公司 | Outdoor liquid crystal display advertising machine with double heat dissipation modes |
-
2019
- 2019-05-24 CN CN201920758459.6U patent/CN209822205U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111489652A (en) * | 2020-05-27 | 2020-08-04 | 深圳市创意之都投资有限公司 | Intelligent floor index screen |
| CN112074152A (en) * | 2020-08-25 | 2020-12-11 | 深圳市元鼎科技有限公司 | Waterproof heat dissipation air duct structure and electronic equipment |
| CN113643616A (en) * | 2021-08-13 | 2021-11-12 | 宁波视睿迪光电有限公司 | Display device |
| CN114974009A (en) * | 2022-04-13 | 2022-08-30 | 深圳市迅豹聚能科技有限公司 | Outdoor liquid crystal display advertising machine with double heat dissipation modes |
| CN114974009B (en) * | 2022-04-13 | 2024-03-01 | 深圳市迅豹聚能科技有限公司 | Outdoor liquid crystal display advertising machine with double heat dissipation modes |
| CN114694530A (en) * | 2022-04-18 | 2022-07-01 | 深圳市迅豹聚能科技有限公司 | Outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation |
| CN114694530B (en) * | 2022-04-18 | 2023-11-07 | 深圳市迅豹聚能科技有限公司 | Outdoor liquid crystal display advertising machine based on forced air cooling and TEC heat dissipation |
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