CN220858795U - Heat radiation structure of head-up display and head-up display - Google Patents
Heat radiation structure of head-up display and head-up display Download PDFInfo
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- CN220858795U CN220858795U CN202322560136.5U CN202322560136U CN220858795U CN 220858795 U CN220858795 U CN 220858795U CN 202322560136 U CN202322560136 U CN 202322560136U CN 220858795 U CN220858795 U CN 220858795U
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- 230000005855 radiation Effects 0.000 title claims description 4
- 230000017525 heat dissipation Effects 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000006260 foam Substances 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model relates to a heat dissipation structure of a head-up display and the head-up display, wherein the heat dissipation structure of the head-up display comprises a fan, a light shield and a fan bracket, the fan bracket is arranged at one end of the light shield in the length direction, the fan is arranged on the fan bracket, two light shields are arranged at two sides of the light shield in the length direction, openings of the two light shields are opposite to form an air channel for the air flow of the fan to pass through, the light shields comprise a first light shield and a second light shield, the first light shield is positioned at one side close to the fan, the openings of the first light shield and the opening of the second light shield are respectively an air inlet and an air outlet, sealing foam is arranged at the air inlet, the fan and the light shield are in sealing connection through the sealing foam, and the air flow blown out by the fan enters the air channel through the air inlet to be blown to the display for heat dissipation.
Description
Technical Field
The utility model relates to the technical field of head-up displays, in particular to a heat dissipation structure of a head-up display and the head-up display.
Background
The head-up display can project the current speed of a motor vehicle, navigation and other information onto the photoelectric display device on the windshield glass, and forms an image in front of the glass, so that a driver can see navigation and vehicle speed information without turning the head and lowering the head, and the accident occurrence frequency can be effectively reduced. With the development of the automobile industry, the head-up display has been popularized gradually, so far, the head-up display generally adopts a passive mode of temperature detection, high temperature reduction brightness or shutdown to dissipate heat, so as to protect the internal head-up display from being burnt out. On passenger cars, the passive heat dissipation can barely meet most of brightness requirements, and on commercial cars, the windshield reflectivity is low due to the fact that the angle of the windshield glass is large, the output brightness of the PGU (image generating Unit) is required to be larger, the power is increased accordingly, and therefore the head-up display can excessively accumulate heat, and the problem of heat dissipation of the head-up display cannot be solved in time due to the passive heat dissipation.
At present, an active heat dissipation mode of the head-up display is mainly to add a fan or a heat dissipation fin to the head-up display, but the space for installing the head-up display is limited, the volume and the thickness of the head-up display can be increased by the existing active heat dissipation mode, and the head-up display cannot be adapted to a vehicle model with smaller vertical space.
Disclosure of utility model
The utility model aims to provide a heat dissipation structure of a head-up display and the head-up display, which have the advantages of simple structure, small occupied space, wide application range and capability of effectively reducing cost.
The utility model provides a new line display heat radiation structure, includes fan, lens hood and fan support, the fan support is located the one end of the length direction of lens hood, the fan is located the fan support, the length direction's of lens hood both ends are equipped with the lens hood, have the opening on the lens hood, two the opening of lens hood forms relatively and supplies the wind channel that the fan air current passed through.
In the above technical scheme, the air flow blown out by the fan can be guided to the display through the air channel of the light shield, the air flow blown out by the fan can take into account all positions of the screen to perform effective heat dissipation, the air is blown from the air inlet to the center of the screen of the display after induced draft by the fan, and meanwhile, the air flows to all positions of the screen along the direction of the air outlet in a dispersing way, so that the heat of the display is blown out from the air outlet. When the fan blows air to actively dissipate heat, the two light shielding plates at the two ends of the light shielding cover in the long direction can also block part of light, so that the brightness of the display is improved. Through locating the one end of display with the fan for the fan is located the coplanar with the display, can reduce the overall height of new line display when realizing heat dissipation, thereby reduces the space that occupies the direction of height, makes new line display can be applicable to more motorcycle types.
Further, the light shielding plate comprises a first light shielding plate and a second light shielding plate, the first light shielding plate is located on one side close to the fan, and an opening of the first light shielding plate and an opening of the second light shielding plate are respectively an air inlet and an air outlet.
In the technical scheme, the first light shielding plate and the second light shielding plate can shield part of light for the display, the brightness of the display can be improved while the influence of the light on the visual effect of the display is weakened, in addition, the air inlet and the air outlet can relatively form an air channel, air flow blown out by the fan flows along the air channel, and active heat dissipation is carried out on the display from different positions.
Further, sealing foam is stuck between the air inlet and the fan.
In the technical scheme, the sealing foam is adhered to the air inlet of the light shield in advance, the fan can be in sealing connection with the light shield through the sealing foam, air flow blown out by the fan can directly enter the air duct, and the sealing foam can prevent air leakage, so that all air flow blown out by the fan can be effectively directly acted on the display.
Further, the LED lamp further comprises a base, a radiator is arranged on the base, a TFT support is arranged on the radiator, and the TFT support is connected with the light shield.
In the technical scheme, the radiator is connected to the base to help the head-up display to radiate heat, and the TFT bracket is connected to the radiator to avoid shaking looseness of the TFT bracket.
Further, one side of the light shield, which is far away from the light shield, is provided with a plurality of buckles, and the TFT bracket is connected with the light shield through the buckles.
In the technical scheme, the buckle has a fixing effect, and the TFT bracket is connected with the light shield through a plurality of buckles on the light shield to fix the light shield.
Further, a fixing groove is formed in one side, far away from the light shielding plate, of the light shielding cover, and a plurality of thermistors are attached to the fixing groove.
In the technical scheme, the thermistor is attached to the fixing groove to conveniently detect the temperature change of the display.
Further, a circuit board is arranged on the base, and the thermistor is connected with the circuit board.
In the technical scheme, the thermistor can detect the temperature change of the display through the connection with the circuit board so as to control the starting of the fan and the wind speed, and effectively dissipate heat of the display screen.
The utility model also provides a head-up display, which comprises the heat dissipation structure of the head-up display.
In the technical scheme, the air flow blown out by the fan flows to each position of the display screen through the air duct, so that the temperature of the display is reduced, and effective heat dissipation is performed. When the fan air flow actively dissipates heat, the two light shielding plates at the two ends of the light shielding cover in the long direction can also block part of light, so that the brightness of the display is improved.
Compared with the prior art, the utility model has the beneficial effects that: through locating the one end of display with the fan for the fan is located the coplanar with the display, can reduce the overall height of new line display when realizing heat dissipation, thereby reduces the space that occupies the direction of height, makes new line display can be applicable to more motorcycle types. Meanwhile, the two ends of the light shield in the length direction are provided with light shields, and part of light rays projected to the display are shielded by the two light shields, so that the brightness of the display is improved. The utility model has the advantages of simple structure, small occupied space, wide application range and effective cost reduction.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation structure of a head-up display according to an embodiment of the utility model.
Fig. 2 is a schematic diagram of an overall structure of a heat dissipation structure of a head-up display according to an embodiment of the utility model.
Fig. 3 is a schematic view of a light shield according to an embodiment of the utility model.
Fig. 4 is a schematic view of another angle of the light shield according to the embodiment of the utility model.
Reference numerals illustrate:
Fan 1, lens hood 2, fan support 3, display 4, sealed bubble cotton 5, wind channel 6, first light screen 7, second light screen 8, air intake 9, air outlet 10, TFT support 11, thermistor 12, fixed slot 13, circuit board 14, radiator 15, base 16, buckle 17.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Referring to fig. 1, in a preferred embodiment, the heat dissipation structure of the head-up display of the present utility model includes a fan 1, a light shield 2, and a fan bracket 3.
Wherein, fan support 3 locates the one end of the length direction of lens hood 2, and fan 1 locates fan support 3, and fan support 3 can avoid rocking of fan 1, keeps fan 1's stability to guarantee that fan 1's end of giving vent to anger is relative with wind channel 6, make the air current that fan 1 blows out can dispel the heat to display 4. The two sides of the length direction of the light shield 2 are provided with light shields, openings are arranged on the light shields, the openings of the two light shields are opposite to each other to form an air duct 6 for the air flow of the fan 1 to pass through, and the air flow blown out by the fan 1 acts on the display 4 through the air duct 6 to dissipate heat. In this embodiment, the two light-shielding plates are a first light-shielding plate 7 and a second light-shielding plate 8, the first light-shielding plate 7 is located at one side of the light-shielding cover 2 close to the fan 1, the second light-shielding plate 8 is located at one side of the light-shielding cover 2 far away from the fan 1, and openings of the first light-shielding plate 7 and the second light-shielding plate 8 are an air inlet 9 and an air outlet 10 respectively.
According to the technical scheme, the air flow blown out by the fan 1 can be guided to the display 4 through the air duct 6 of the light shield 2, and the temperature in the middle of the screen of the display 4 is highest, so that the air duct 6 is mainly inclined towards the center of the screen when being arranged, the air flow blown out by the fan 1 flows to each position of the display 4 along the air duct 6 towards the air outlet 10, heat on the display 4 is taken away, and therefore the display 4 is effectively radiated. Meanwhile, the first light shielding plate 7 and the second light shielding plate 8 can also block part of light, so that the influence of the light on the display 4 is weakened, and the brightness of the display 4 is improved.
Referring to fig. 1 again, a sealing foam 5 is attached between the air inlet 9 and the fan 1, and in a specific implementation, the sealing foam 5 can be adhered to the air inlet 9 of the light-shielding cover 2 in advance, the fan 1 can be in sealing connection with the light-shielding cover 2 through the sealing foam 5, and air flow blown out by the fan 1 directly enters the air duct 6 to act on the display 4, so that heat on the display 4 is taken away.
Referring to fig. 1 and 3, a heat sink 15 is disposed on the base 16, the TFT support 11 is disposed on the heat sink 15, and the TFT support 11 is connected with the light shield 2, so that the heat sink 15 helps the display 4 to dissipate heat, and the TFT support 11 can be stabilized to avoid shaking and loosening of the TFT support 11, and influence on the heat dissipation effect of the whole device.
Specifically, the light shield 2 is kept away from one side of light shield is equipped with a plurality of buckles 17, and buckle 17 has fixed action, and TFT support 11 passes through buckle 17 to be connected with light shield 2, fixes light shield 2.
The side of the light shield 2, which is far away from the light shield, is also provided with a fixing groove 13, the fixing groove 13 is stuck with a plurality of thermistors 12, and the thermistors 12 are stuck on the fixing groove 13 to detect the temperature change of the display 4.
In specific implementation, the base 16 is provided with the circuit board 14, the thermistor 12 is connected with the circuit board 14, and the thermistor 12 can detect the change of the temperature of the display 4 through the connection with the circuit board 14 so as to control the starting of the fan 1 and the wind speed, and timely and effectively dissipate heat of the display 4.
In addition, the utility model also provides a head-up display, which comprises the heat dissipation structure of the head-up display.
In the above technical solution, the air flow blown out by the fan 1 flows to each position of the screen of the display 4 through the air duct 6, so as to reduce the temperature of the display 4 and perform effective heat dissipation. When the air flow of the fan 1 actively dissipates heat, the two light shielding plates at the two longitudinal ends of the light shielding cover 2 can also block part of light, so that the brightness of the display 4 is improved.
According to the utility model, the fan 1 is arranged at one end of the display 4, so that the fan 1 and the display 4 are positioned on the same plane, and the heat dissipation is realized, and meanwhile, the overall height of the head-up display is reduced, so that the space occupying the height direction is reduced, the head-up display can be suitable for more vehicle types, and the head-up display has the advantages of simple structure, small occupied space, wide application range and effective cost reduction.
In the description of the present utility model, it should be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying 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.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
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 formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.
While the utility model has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the spirit and scope of the following claims.
Claims (8)
1. The utility model provides a new line display heat radiation structure, its characterized in that includes fan, lens hood and fan support, the fan support is located the one end of the length direction of lens hood, the fan is located the fan support, the both ends of the length direction of lens hood are equipped with the lens hood, have the opening on the lens hood, two the opening of lens hood forms relatively and supplies the wind channel that the fan air current passed through.
2. The head-up display heat dissipation structure of claim 1, wherein the light shield comprises a first light shield and a second light shield, the first light shield is positioned at a side near the fan, and an opening of the first light shield and an opening of the second light shield are an air inlet and an air outlet, respectively.
3. The head-up display heat dissipation structure of claim 2, wherein a sealing foam is attached between the air inlet and the fan.
4. The head-up display heat dissipation structure of claim 1, further comprising a base, wherein a heat sink is provided on the base, wherein the heat sink is provided with a TFT bracket, and wherein the TFT bracket is connected to the light shield.
5. The head-up display heat dissipation structure of claim 4, wherein a plurality of buckles are arranged on a side, away from the light shielding plate, of the light shielding cover, and the TFT bracket is connected with the light shielding cover through the buckles.
6. The head-up display heat dissipation structure of claim 4, wherein a fixing groove is formed in a side, away from the light shielding plate, of the light shielding cover, and a plurality of thermistors are attached to the fixing groove.
7. The head-up display heat dissipation structure of claim 6, wherein the base is provided with a circuit board, and the thermistor is connected to the circuit board.
8. A head-up display comprising the head-up display heat dissipating structure of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322560136.5U CN220858795U (en) | 2023-09-20 | 2023-09-20 | Heat radiation structure of head-up display and head-up display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322560136.5U CN220858795U (en) | 2023-09-20 | 2023-09-20 | Heat radiation structure of head-up display and head-up display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220858795U true CN220858795U (en) | 2024-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322560136.5U Active CN220858795U (en) | 2023-09-20 | 2023-09-20 | Heat radiation structure of head-up display and head-up display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220858795U (en) |
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2023
- 2023-09-20 CN CN202322560136.5U patent/CN220858795U/en active Active
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