CN222965789U - Outdoor waterproof heat dissipation display screen - Google Patents
Outdoor waterproof heat dissipation display screen Download PDFInfo
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- CN222965789U CN222965789U CN202421869420.9U CN202421869420U CN222965789U CN 222965789 U CN222965789 U CN 222965789U CN 202421869420 U CN202421869420 U CN 202421869420U CN 222965789 U CN222965789 U CN 222965789U
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- heat dissipation
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- sealing
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Abstract
The utility model provides an outdoor waterproof heat dissipation display screen which comprises a display screen, a frame and a rear cover, wherein the display screen and the rear cover are respectively fixed on the front surface and the back surface of the frame, a middle frame partition is arranged between the display screen and the rear cover, and a heat dissipation cavity is formed between the middle frame and the rear cover through installing a sealing frame. The back of the heat dissipation cavity is provided with a circuit module, the circuit module is wrapped by a module frame, the module frame is also provided with a detachable sealing cover, and one side of the module frame is provided with a plurality of waterproof joints which are electrically connected with the outside. The fan on the rear cover blows air into the heat dissipation cavity, takes away heat generated by the circuit module and the display screen, and discharges the heat from the air outlet hole of the heat dissipation cavity. According to the utility model, the circuit module and the display screen are respectively separated and sealed independently, so that a heat dissipation cavity is formed between the circuit module and the display screen, air can be blown into the heat dissipation cavity to take away heat, the waterproof performance and the heat dissipation capacity are improved, the joint of the sealing cover and the rear cover is sealed by adopting the sealing ring, glue is not required, and the assembly, the disassembly and the maintenance are convenient.
Description
Technical Field
The utility model relates to the technical field of display screens, in particular to an outdoor waterproof heat dissipation display screen.
Background
With the development of society and the progress of technology, the application of display screens is more and more widespread, not only in indoor environments, but also in outdoor environments, such as billboards, traffic signs, outdoor stage backgrounds and the like. These outdoor displays need to be exposed to a variety of complex environmental conditions including, but not limited to, extreme temperature changes, rain, dust, ultraviolet radiation, and the like. Therefore, the outdoor display screen must be designed in consideration of durability and reliability thereof, particularly in terms of both water resistance and heat dissipation.
Although the outdoor display screen in the current market has a certain waterproof function, most of the outdoor display screen is realized through simple sealing treatment, the method can prevent rainwater from directly invading to a certain extent, and in the long-time use process, particularly under frequent temperature and humidity changes, the phenomenon of dew condensation still can occur in the display screen, so that electronic elements are damped and fail. In addition, because the outdoor display screen is usually larger in size and higher in power, the generated heat is correspondingly more, if effective heat dissipation measures are not adopted, the display effect is poor and even electronic elements are damaged due to the fact that the temperature inside the display screen is too high, and the service life is shortened.
In the prior art, the waterproof measures for the outdoor display screen are mainly concentrated on the sealing of the front surface of the display screen and the joint of the shell, and the gap is filled by waterproof glue, so that maintenance is very difficult, and for heat dissipation, natural heat dissipation modes are mostly adopted, namely, the heat dissipation is carried out by means of a metal shell of the display screen, and a part of the heat dissipation is carried out by a fan, but the waterproof performance is insufficient, a filter screen is often blocked, and the heat dissipation capacity is greatly reduced after a period of time.
Therefore, how to ensure that the outdoor display screen has good waterproof performance and can effectively dissipate heat at the same time becomes one of the problems to be solved currently.
Disclosure of utility model
The utility model aims to provide an outdoor waterproof heat-dissipation display screen which is simple in structure, good in waterproof performance and high in heat-dissipation efficiency. The utility model provides an outdoor waterproof heat dissipation display screen, which specifically comprises a display screen, a frame and a rear cover, wherein the display screen is fixed in front of the frame, the rear cover is arranged on the back of the frame, a middle frame partition is arranged between the display screen and the rear cover, and a heat dissipation cavity is formed between the middle frame and the rear cover through a sealing frame. The circuit module is installed in the back of heat dissipation chamber, the outside of back lid promptly, the circuit module is wrapped up by the module frame, the module frame still is equipped with detachable sealed lid, forms circuit module sealed chamber between sealed lid and the module frame, module frame one side is provided with a plurality of water joint and outside electric connection. And the rear cover is also provided with a fan, the fan blows air into the heat dissipation cavity, takes away heat generated by the circuit module and the display screen and discharges the heat from an air outlet of the heat dissipation cavity. According to the technical scheme, the circuit module and the display screen are respectively separated and sealed, a heat dissipation cavity is formed between the circuit module and the display screen, water vapor can be blown into the heat dissipation cavity to take away heat, and therefore waterproof performance and heat dissipation capacity are improved.
Further, the display screen is connected with the circuit module in a sealing mode through a waterproof FPC flat cable.
Further, the waterproof groove is arranged at the back of the frame, and the rear cover is in sealing connection with the frame through the first sealing ring arranged in the waterproof groove, so that glue is not required, and the assembly, disassembly and maintenance are convenient.
More preferably, the top of the module frame and the joint of the sealing cover are bent to form a U shape with opposite levels, the end part of the module frame is wrapped by the second sealing ring and the third sealing ring, and the sealing cover forms double sealing when being fixed on the module frame, so that the module frame is convenient to assemble, disassemble and maintain while sealing and waterproofing are ensured.
Further describing the above proposal, the fan is mounted on the side of the module frame and is covered on the rear cover by a fan cover, the fan cover is provided with a plurality of air inlet holes, and the fan is a waterproof fan.
More preferably, the loudspeaker of the circuit module is arranged on the module frame, faces the fan cover and is communicated with the fan cover, and the sound amplification is realized through the fan cover.
More preferably, the air outlet hole is formed at the edge of the heat dissipation cavity, an inclined plane is formed on one side, close to the heat dissipation cavity, of the sealing frame, drainage and pollution discharge are facilitated, and a fourth sealing ring is further arranged on the abutting surface of the sealing frame and the rear cover, so that the overall waterproof performance is improved.
Optionally, a light sensor is further installed on the front face of the display screen, and the light sensor is used for sensing the external illumination intensity to adjust the brightness of the screen. The rear cover is also provided with a handle, so that the rear cover is convenient to take and carry.
Compared with the prior art, the circuit module and the display screen are respectively separated and sealed, so that a heat dissipation cavity is formed between the circuit module and the display screen, water vapor can be blown into the heat dissipation cavity to take away heat, the waterproof performance is improved, the heat dissipation capacity is improved, a filter screen is not needed, a fan is effectively prevented from being blocked, the joint of the sealing cover and the rear cover is sealed by adopting a sealing ring, glue is not needed, the assembly, disassembly and maintenance are convenient, and the loudspeaker achieves multiple sound amplifying and bass effects through the fan cover, the heat dissipation cavity and the circuit module sealing cavity. The utility model realizes good waterproof performance through the multiple sealing design, and the heat dissipation cavity and the fan are arranged to enable the two sides of the display screen and the circuit module to be in contact with air, so that the heat dissipation efficiency is improved, and the service life of the display screen is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic front view of an embodiment of the present utility model;
FIG. 2 is a schematic back view of an embodiment of the present utility model;
FIGS. 3-5 are schematic explosion diagrams provided by embodiments of the present utility model;
FIG. 6 is an overall cross-sectional view provided by an embodiment of the present utility model;
FIG. 7 is a partial A enlarged schematic diagram provided in an embodiment of the present utility model;
FIG. 8 is an enlarged schematic view of a portion B according to an embodiment of the present utility model;
fig. 9 is a partial cross-sectional view provided by an embodiment of the present utility model.
Wherein, each reference sign in the figure:
1. The display screen, 11, the flat cable, 2, the frame, 21, the first sealing ring, 3, the back cover, 31, the module frame, 32, the sealing cover, 321, the second sealing ring, 322, the third sealing ring, 33, the circuit module, 331, the loudspeaker, 34, the handle, 35, the air outlet hole, 36, the waterproof joint, 4, the middle frame, 41, the sealing frame, 411, the inclined plane, 42, the fourth sealing ring, 5, the fan cover, 51, the fan, 52, the air inlet hole, 6, the circuit module sealing cavity, 7, the heat dissipation cavity, 8 and the light sensor.
Specific embodiments of the present utility model have been shown by way of the above drawings and will be described in more detail below. The drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but rather to illustrate the inventive concepts to those skilled in the art by reference to the specific embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. 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.
It will be understood that when an element is referred to as being "fixed 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. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiments, and the terms "upper," "lower," "left," "right," "front," "back," and the like are used herein with reference to the positional relationship of the drawings.
In order to make the technical scheme and advantages of the present utility model more apparent, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings.
Referring to fig. 1-9, the utility model provides an outdoor waterproof heat dissipation display screen, which specifically comprises a display screen 1, a frame 2 and a rear cover 3, wherein the display screen 1 is fixed in front of the frame 2, the rear cover 3 is arranged on the back of the frame 2, a middle frame 4 partition is arranged between the display screen 1 and the rear cover 3, and a heat dissipation cavity 7 is formed between the middle frame 4 and the rear cover 3 through an installation sealing frame 41. The back of heat dissipation chamber 7, the outside of back lid 3 installs circuit module 33 promptly, and circuit module 33 is wrapped up by module frame 31, and module frame 31 still is equipped with detachable sealed lid 32, forms circuit module sealed chamber 6 between sealed lid 32 and the module frame 31, and module frame 31 one side is provided with a plurality of waterproof joint 36 and outside electric connection. The rear cover 3 is also provided with a fan 51, and the fan 51 blows air into the heat dissipation cavity 7, takes away heat generated by the circuit module 33 and the display screen 1 and discharges the heat from the air outlet hole 35 of the heat dissipation cavity 7. The display screen 1 is connected with the circuit module 33 through the waterproof FPC bus 11 in a sealing manner. As shown in fig. 8, the back of the frame 2 is provided with a waterproof groove, and the rear cover 3 is in sealing connection with the frame 2 through a first sealing ring 21 arranged in the waterproof groove, so that glue is not required, and the assembly, disassembly and maintenance are convenient. As shown in fig. 1, the front of the display screen 1 is also provided with a light sensor 8 for sensing the external illumination intensity and adjusting the screen brightness. As shown in fig. 2, the rear cover 3 is also provided with a handle 34, which is convenient to take and carry.
As shown in fig. 7 and 9, the connection parts of the top of the module frame 31 and the sealing cover 32 are bent to form a horizontal opposite U shape, and the end parts are wrapped by the second sealing ring 321 and the third sealing ring 322, so that double sealing is formed when the sealing cover 32 is fixed on the module frame 31, and the sealing is ensured to be waterproof, and meanwhile, the assembly, disassembly and maintenance are also convenient.
As shown in fig. 6, 7 and 8, the fan 51 is mounted on the side of the module frame 31 and is wrapped on the rear cover 3 by the fan cover 5, the fan cover 5 is provided with a plurality of air inlet holes 52, and the fan 51 is a waterproof fan. As shown in fig. 9, the speaker 331 of the circuit module 33 is mounted on the module frame 31, the main body is in the circuit module sealing cavity 6, faces the fan cover 5 and is communicated with the fan cover 5, and sound amplification is achieved through the fan cover 5, and meanwhile, the speaker 331 vibrates to drive the heat dissipation cavity 7 and the circuit module sealing cavity, so that a more attractive sound effect is achieved.
Referring to fig. 8, the air outlet 35 is formed at the edge of the heat dissipation cavity 7, and an inclined surface 411 is formed on one side of the sealing frame 41 close to the heat dissipation cavity 7, which is beneficial to drainage and pollution discharge, and a fourth sealing ring 42 is further mounted on the abutting surface of the sealing frame 41 and the rear cover 3, so that the overall waterproof performance is improved.
The following further illustrates the principles of the present utility model in connection with a mode of use in order to provide a more thorough understanding of the present utility model.
In actual assembly, the display screen 1 is fixed in front of the frame 2 through glue, then the middle frame 4 is fixedly installed in the frame 2, then the first sealing ring 21 is installed in a groove of the frame 2, and two fourth sealing rings 42 are installed on the top of the sealing frame 41, as shown in fig. 8, and the rear cover 3 is fixed with the frame 2 and the sealing frame 41 through screws. Then, the circuit module 33 and the horn 331 are installed in the circuit module sealing cavity 6, and are connected with the flat cable 11 of the display screen 1 and connected with an external circuit through the waterproof connector 36. Next, the sealing cover 32 with the sealing ring is mounted on the module frame 31, and the fan 51, the fan cover 5, and the handle 34 are mounted and fixed.
After the power-on, when the temperature sensor of the circuit module 33 detects that the temperature reaches the set value, the fan 51 is started, as shown in fig. 7 and 8, air is blown into the heat dissipation cavity 7 to take away the heat of the display screen 1 and the circuit module 33, so that the waterproof performance is improved, the heat dissipation capacity is improved, a filter screen is not required to be installed on the fan 51, and the blockage is effectively prevented. The loudspeaker 331 realizes multiple sound amplifying and bass effects through the fan cover 5, the heat dissipation cavity 7 and the circuit module sealing cavity 6. When the sealing cover is assembled and disassembled, the sealing cover 32 and the rear cover 3 can be easily opened due to no glue, so that the sealing cover is convenient to maintain, and the maintenance cost is reduced.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.
It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421869420.9U CN222965789U (en) | 2024-08-05 | 2024-08-05 | Outdoor waterproof heat dissipation display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421869420.9U CN222965789U (en) | 2024-08-05 | 2024-08-05 | Outdoor waterproof heat dissipation display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222965789U true CN222965789U (en) | 2025-06-10 |
Family
ID=95900779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421869420.9U Active CN222965789U (en) | 2024-08-05 | 2024-08-05 | Outdoor waterproof heat dissipation display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222965789U (en) |
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2024
- 2024-08-05 CN CN202421869420.9U patent/CN222965789U/en active Active
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