CN222283670U - A display device with heat exchange and heat dissipation by air internal and external circulation - Google Patents
A display device with heat exchange and heat dissipation by air internal and external circulation Download PDFInfo
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- CN222283670U CN222283670U CN202420928647.XU CN202420928647U CN222283670U CN 222283670 U CN222283670 U CN 222283670U CN 202420928647 U CN202420928647 U CN 202420928647U CN 222283670 U CN222283670 U CN 222283670U
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 32
- 239000011521 glass Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 3
- 239000003595 mist Substances 0.000 abstract 1
- 239000002390 adhesive tape Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of display equipment, in particular to display equipment for heat exchange and heat dissipation of internal and external circulation of air, which comprises a display screen and a heat exchanger, wherein the heat exchanger is positioned at the rear half side of the display screen, an external circulation fan unit is arranged at the bottom of the heat exchanger, an inner circulation air blower unit is installed on one side of the heat exchanger, which is close to the center of the display screen, and the heat exchanger is provided with an outer circulation air duct for the outer circulation air blower unit and an inner circulation air duct for the inner circulation air blower unit. The utility model has the heat dissipation function of the mutually independent internal and external circulating air channels, has good heat dissipation effect, can effectively prevent the outdoor environment moisture, dust and salt mist from entering the case to influence the reliability of the equipment, and can effectively prolong the service life of the display equipment.
Description
Technical Field
The utility model belongs to the technical field of display equipment, and particularly relates to display equipment with air internal and external circulation heat exchange and heat dissipation functions.
Background
With the development of economy and the improvement of living standard, the rapid growth of paperless advertising media and the construction of smart cities, the application of the outdoor display signage technology has been rapidly increased in recent years, however, the current outdoor display equipment faces the problems of high heat consumption, outdoor high-temperature illumination, poor heat dissipation effect caused by outdoor environmental moisture, dust, salt fog and the like when in use, so that the current outdoor display signage has poor reliability and short service life. Therefore, a new heat dissipation solution is needed to solve the problems of heat dissipation and protection of the outdoor display device, so that the new solution can not only solve the heat dissipation but also meet the protection IP66 of the whole display device.
Disclosure of utility model
The utility model aims to provide a display device for heat exchange and heat dissipation of internal and external circulation of air so as to effectively improve the heat dissipation efficiency of the device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a display device of air internal and external circulation heat exchange heat dissipation, includes display screen and heat exchanger, the heat exchanger is located the latter half side of display screen, the outer circulation fan group is installed to the bottom of heat exchanger, the heat exchanger be close to the one side of the central authorities of display screen installs the inner circulation fan group, the heat exchanger has just to the outer circulation wind channel of outer circulation fan group and just to the inner circulation wind channel of inner circulation fan group.
Further, a baffle is arranged on one side of the heat exchanger, which is far away from the internal circulation fan group, and the surface of the baffle extends towards the right front of the display screen.
Further, a plurality of rows of the outer circulation ducts and a plurality of rows of the inner circulation ducts are alternately arranged along the front surface to the rear surface of the heat exchanger.
Further, the outer circulation air duct and the inner circulation air duct are mutually perpendicular and are not communicated, so that the outer circulation heat dissipation and the inner circulation airflow flow in the equipment are guaranteed to realize cooling mutually independently and independently without influence.
Further, the bottom of the outer circulation air duct set and the top of the heat exchanger are respectively provided with an outer circulation air duct connecting piece with a hollow structure, the outer circulation air duct connecting piece is of a surrounding frame type structure with a cavity in the middle, and the air flow of the outer circulation can flow in the cavity of the outer circulation air duct connecting piece from bottom to top and pass through the outer circulation air duct set and the outer circulation air duct.
Further, a functional circuit board horizontally parallel to the heat exchanger is arranged at the rear of the display screen, and the functional circuit board is close to the internal circulation fan unit, wherein internal circulation airflow and air flow in the device can sequentially pass through the functional circuit board, the internal circulation fan unit and the internal circulation air duct, so that heat generated by the functional circuit board during power-on operation can be efficiently taken away.
Further, a lamp box is arranged behind the heat exchanger.
Further, the display screen, the heat exchanger, the outer circulation fan set and the inner circulation fan set are all installed in the cabinet, the top of the cabinet is provided with an exhaust hole for the outer circulation air duct, and the bottom of the cabinet is provided with an air inlet hole for the outer circulation fan set.
Further, both sides are articulated respectively to the front and back of rack have the door plant, the lateral part of door plant pass through the gas stay bar connect in the rack, the rack with have between the door plant be used for sealing the rack with waterproof adhesive tape in the gap between the door plant, wherein, the surface of door plant inlays and is equipped with transparent protective glass, installs the excellent transparent glass of barrier property in the door plant to play sealed and transparent demonstration effect to the whole machine.
Further, a gap of at least 10 mm-20 mm is formed between the display screen and the door plate right opposite to the display screen, and the gap can promote front heat dissipation of the display screen and effectively solve the problem of heat accumulation caused by heat radiation of solar radiation glass and the display screen.
Further, the cabinet is internally provided with a mounting frame, and the display screen, the heat exchanger, the outer circulation fan unit and the inner circulation fan unit are all mounted on the mounting frame.
The heat exchanger has the beneficial effects that the heat exchanger comprises a display screen and the heat exchanger, the heat exchanger is positioned on the rear half side of the display screen, the outer circulation fan unit is arranged at the bottom of the heat exchanger, the inner circulation fan unit is arranged at one side of the heat exchanger, which is close to the center of the display screen, the heat exchanger is provided with an outer circulation air channel for the outer circulation fan unit and an inner circulation air channel for the inner circulation fan unit, wherein the heat exchanger is divided into an outer circulation and an inner circulation according to the heat dissipation air flow, the outer circulation is that outdoor fresh air flows through the outer circulation fan unit and then flows into the outer circulation air channel of the heat exchanger to take away heat, the inner circulation is that the air flow in the equipment enters the inner circulation air channel of the heat exchanger from the inner circulation fan unit to form cooling air flow and then respectively enters the front surface and the back of the display screen to realize annular circulation around a heat generation source and the heat exchanger, the air flow after the inner circulation cooling can carry heat to the electronic devices such as the display screen, and the air flow continuously enters the heat exchanger to realize the whole machine heat dissipation after the heat is carried away, and the inner circulation air flow is independent, so that the inner circulation air flow and outer circulation is independent.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is an exploded view of the present utility model.
Fig. 3 is a schematic structural diagram of a display screen, a heat exchanger, a fan set and a circuit board according to the present utility model.
Fig. 4 is a perspective view of a heat exchanger according to the present utility model.
Fig. 5 is a schematic diagram of the internal circulation process of the present utility model.
Fig. 6 is a bottom view of the present utility model.
Fig. 7 is a schematic diagram of the external circulation process of the present utility model.
FIG. 8 is a second schematic diagram of the outer circulation process of the present utility model.
The device comprises a display screen 1, a heat exchanger 2, an external circulation air duct 21, an internal circulation air duct 22, an external circulation air duct 3, an internal circulation air fan unit 4, an air deflector 5, an external circulation air duct connecting piece 6, a functional circuit board 7, a functional circuit board 8, a lamp box 9a, a cabinet 9b, a door panel 91, an exhaust hole 92, an air inlet hole 10, an air brace rod 11 and a waterproof adhesive tape.
Detailed Description
As a particular component is referred to by some of the terms used in the description and claims, it should be understood by those skilled in the art that a manufacturer may refer to the same component by different terms. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art can solve the technical problem within a certain error range, substantially achieving the technical effect.
In the description of the present utility model, it should be understood that the terms "top," "bottom," "upper," "lower," "front," "rear," "left," "right," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The present utility model will be described in further detail with reference to fig. 1 to 8 and specific examples, but the present utility model is not limited thereto.
Example 1
Referring to fig. 1-3, the display device capable of efficiently dissipating heat through internal and external circulation comprises a display screen 1 and a heat exchanger 2, wherein the heat exchanger 2 is located on the rear half side of the display screen 1, an external circulation fan set 3 is installed at the bottom of the heat exchanger 2, an internal circulation fan set 4 is installed on one side, close to the center of the display screen 1, of the heat exchanger 2, and the heat exchanger 2 is provided with an external circulation air duct 21 for the external circulation fan set 3 and an internal circulation air duct 22 for the internal circulation fan set 4.
In the device, referring to fig. 4-8, solid arrows represent air flow of internal circulation, dashed arrows represent air flow of external circulation, air flow of the heat exchanger 2 is divided into two types, namely external circulation and internal circulation, the external circulation is that outdoor fresh air flows from the bottom air inlet top air outlet or the top air inlet bottom air outlet of the cabinet 9a, the outdoor fresh air flows through the external circulation air duct 21 of the external circulation air fan set 3 and then enters the heat exchanger 2 to take away heat and dissipate heat, the internal circulation is that air flow in the device is transmitted into the internal circulation air duct 22 from the internal circulation air fan set 4 so as to realize left and right circulation of air flow in the cabinet 9a, the air flow enters the internal circulation air duct 22 of the heat exchanger 2 from the internal circulation air fan set 4 to form cooling air flow, and then enters the front and the back of the display screen 1 respectively so as to realize annular circulation around a heating source, a plurality of fans in the internal circulation air fan set 4 are distributed at intervals along the up and down directions, the air flow after internal circulation cooling can dissipate heat for electronic devices such as the display screen 1, and the air flow carries heat and then enters the heat exchanger 2 for continuous circulation to realize heat dissipation.
Preferably, the plurality of rows of the outer circulation duct 21 and the plurality of rows of the inner circulation duct 22 are alternately arranged along the front surface to the rear surface of the heat exchanger 2, and the outer circulation duct 21 and the inner circulation duct 22 are perpendicular to each other and are not communicated with each other.
Preferably, the side of the heat exchanger 2 remote from the internal circulation fan group 4 is provided with a deflector 5. As shown in fig. 5, in the internal circulation process of the device, high-temperature air flows enter the internal circulation air channels 22 of the heat exchanger 2 through the internal circulation air fan unit 4, the cooled air flows coming out from one side, close to the guide plate 5, of the internal circulation air channels 22 of the heat exchanger 2 through the internal circulation air fan unit 4 at intervals are transmitted along the surface of the guide plate 5, so that the cooled air flows are transmitted from right to left along the front and rear surfaces of the display screen 1 to quickly cool the surface of the display screen 1, and under the cooperation of the internal circulation air channels 22 of the internal circulation air fan unit 4 and the heat exchanger 2 through the internal circulation air channels 22 of the heat exchanger 2 and the guide plate 5, the front and rear surfaces of the display screen 1 can form an air channel for realizing efficient cooling.
The outer circulation fan set 3 is provided with a plurality of fans which are transversely arranged at intervals, the fans of the outer circulation fan set 3 are arranged in a protective cover, and the protection level of the outer circulation fan set 3 can reach IP66.
Preferably, the display screen 1, the heat exchanger 2, the outer circulation fan set 3 and the inner circulation fan set 4 are all installed in the cabinet 9a, the top of the cabinet 9a is provided with an exhaust hole 91 corresponding to the outer circulation air duct 21, and the bottom of the cabinet 9a is provided with an air inlet hole 92 corresponding to the outer circulation fan set 3, so that air flow in the outer circulation can flow efficiently.
Preferably, the front and back both sides of rack 9a are articulated respectively to have the door plant 9b of taking glass, the long limit side of door plant 9b passes through gas stay 10 and connects in rack 9a, wherein, the surface of door plant 9b inlays and is equipped with transparent protective glass, the quick-witted case is constituteed to rack 9a and door plant 9b, reach sealed reliable through closing the door compression adhesive tape between rack 9a and the door plant 9b, this compression adhesive tape is waterproof adhesive tape 11, waterproof adhesive tape 11 is used for sealing the gap between rack 9a and the door plant 9b, can fully isolate steam, dust, salt fog entering machine case and then avoided equipment to be damaged, and can ensure effectively that the inner loop of air current separates the external world.
Preferably, a gap of at least 10 mm-20 mm is formed between the display screen 1 and the door plate 9b opposite to the display screen 1 and is used for forming a front air duct of the display screen 1, and the gap can promote front heat dissipation of the display screen 1 and effectively solve the problem of heat accumulation caused by heat radiation due to glass of the solar radiation door plate 9b and the display screen 1.
Preferably, the bottom of the outer circulation fan unit 3 and the top of the heat exchanger 2 are respectively provided with an outer circulation air duct connecting piece 6 with a hollow structure, the outer circulation air duct connecting piece 6 is a peripheral frame type structure with a cavity in the middle, the outer circulation air duct connecting piece 6 at the bottom of the outer circulation fan unit 3 can be correspondingly arranged with an air inlet 92 at the bottom of the cabinet 9a, the outer circulation air duct connecting piece 6 at the top of the heat exchanger 2 can be correspondingly arranged with an air outlet 91 at the top of the cabinet 9a, and the air flow of the outer circulation can flow from bottom to top in the cavity of the outer circulation air duct connecting piece 6 at the bottom of the outer circulation fan unit 3 and pass through the outer circulation air duct 21 to reach the cavity of the outer circulation air duct connecting piece 6 at the top of the heat exchanger 2, and the air flow of the outer circulation can be discharged from the air outlet 91 at the top of the cabinet 9 a.
Preferably, a functional circuit board 7 horizontally parallel to the heat exchanger 2 is arranged at the rear of the display screen 1, the functional circuit board 7 is arranged close to the internal circulation fan set 4, the functional circuit board 7 can ensure the power supply operation of the equipment, and the internal circulation airflow in the equipment can also take away the heat generated in the functional circuit board 7.
Preferably, the display device may be an outdoor high brightness LCD digital signage that uses a cross-flow heat exchanger for efficient heat dissipation.
Example 2
Preferably, a lamp box 8 is arranged at the rear of the heat exchanger 2, the lamp box 8 adopts LED backlight, and the lamp box 8 can be installed on the cabinet 9a in a vertical rotation mode.
Preferably, a locking member for locking each door panel 9b is further provided in the cabinet 9 a.
Other structures of this embodiment are the same as those of embodiment 1, and will not be described here again.
Obviously, the utility model has good sealing performance, high protection level and good heat dissipation performance, and has the heat dissipation function of mutually independent internal and external circulating air channels.
Variations and modifications of the above embodiments will occur to those skilled in the art to which the utility model pertains from the foregoing disclosure and teachings. Therefore, the utility model is not limited to the specific embodiments described above, but is intended to cover any obvious modifications, substitutions or changes made by one skilled in the art on the basis of the present utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420928647.XU CN222283670U (en) | 2024-04-30 | 2024-04-30 | A display device with heat exchange and heat dissipation by air internal and external circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420928647.XU CN222283670U (en) | 2024-04-30 | 2024-04-30 | A display device with heat exchange and heat dissipation by air internal and external circulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222283670U true CN222283670U (en) | 2024-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420928647.XU Active CN222283670U (en) | 2024-04-30 | 2024-04-30 | A display device with heat exchange and heat dissipation by air internal and external circulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222283670U (en) |
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2024
- 2024-04-30 CN CN202420928647.XU patent/CN222283670U/en active Active
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