CN212675277U - Head-up display with heat radiation structure - Google Patents
Head-up display with heat radiation structure Download PDFInfo
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- CN212675277U CN212675277U CN202021264992.6U CN202021264992U CN212675277U CN 212675277 U CN212675277 U CN 212675277U CN 202021264992 U CN202021264992 U CN 202021264992U CN 212675277 U CN212675277 U CN 212675277U
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- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a new line display with heat radiation structure mainly has frame, first light-passing board, second light-passing board, display panel, fan, wherein: the base has the fixed part that is used for the fixed panel, with locate the projection on the first light-passing board, and there are two lateral walls on the fixed part, accommodation space has between the lateral wall, and wear to be equipped with the opening that communicates the accommodation space on two lateral walls respectively, second light-passing board and display panel all set are located on two lateral walls, and display panel is located between second light-passing board and the first light-passing board, divide the accommodation space into first channel and second channel by display panel, the fan is then installed in the opening part of one of them lateral wall, the fan is towards first channel and the air supply of second channel, with the two sides of cooling display panel, and then promote display panel's cooling effect.
Description
Technical Field
The utility model belongs to the technical field of the technique of automobile-used new line display and specifically relates to indicate a new line display with heat radiation structure.
Background
A Head Up Display (HUD) is a flight assistance instrument commonly used in aircrafts. The Head-Up means that a pilot can acquire important information required by flight without looking down at an instrument panel.
Heads-up displays were first shown on military aircraft to reduce the frequency with which pilots need to look down at the instruments. Because the head-up display can display information on the windshield of the aircraft, the head-up display not only provides convenience for pilots to confirm the information, but also improves flight safety, and therefore, the civil aircrafts also follow each other to install the head-up display.
Along with the progress of science and technology, the automobile industry also releases and installs new line display equipment on the automobile to let motorist can more conveniently acquire the key information of driving.
However, the above-mentioned head-up display has a heat dissipation problem, and since the projection device of the head-up display projects an image toward the display panel, the display panel will be gradually heated, and meanwhile, the sunlight penetrating through the windshield will be irradiated on the display panel to cause the temperature of the display panel to rise, and the temperature of both sides of the display panel will rise simultaneously, which will cause the failure of the display panel.
Accordingly, it is necessary to provide a technical solution to solve the problem of the display panel receiving the image heat of the projection device and receiving the heat of the sunlight penetrating through the windshield, which results in an over-high temperature.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the heat energy that new line display received image and sunlight simultaneously, lead to the easy problem that excessively rises of temperature.
To achieve the above object, the present invention provides a head up display with a heat dissipation structure, comprising: the base is provided with a projection part and a fixing part, the fixing part is provided with two side walls and a front opening, an accommodating space is arranged between the two side walls, and the two side walls are respectively provided with an opening communicated with the accommodating space;
a first transparent plate provided in the projection unit;
the second light-transmitting plate is connected with the two side walls and is positioned at the front opening;
the display panel is connected with the two side walls and positioned in the accommodating space, the display panel is positioned between the second light-transmitting plate and the projection part, and the accommodating space is divided into a first channel and a second channel, the first channel is positioned between the display panel and the first light-transmitting plate, and the second channel is positioned between the display panel and the second light-transmitting plate;
and the fan is assembled on one of the side walls and connected with the first channel and the second channel.
In a preferred embodiment, the projection portion of the base has a backlight module, the projection portion projects the light source toward the display panel through the backlight module, and the first transparent plate is disposed between the backlight module and the display panel.
In a preferred embodiment, the projection portion of the base further has a reflective sheet, and the reflective sheet reflects the light source projected by the backlight module to the display panel.
In a preferred embodiment, the base is embedded in an instrument desk of a vehicle, a reflection module is additionally embedded in the instrument desk, and an image passing through the display panel is reflected to a windshield of the vehicle through the reflection module.
In a preferred embodiment, the display device further comprises a reflective film attached to the windshield, and the reflective film receives the image passing through the display panel.
In a preferred embodiment, the base is provided with a circuit board and a light sensing module.
In a preferred embodiment, the base is provided with a circuit board and a temperature sensing module.
In a preferred embodiment, the base is provided with a circuit board therein and a key set, and the key set is provided with an open key and a close key.
In a preferred embodiment, a heat dissipation module is disposed on the back of the backlight module.
In a preferred embodiment, the first transparent plate is heat-insulating glass.
When the backlight module projects light towards the display panel, the temperature of one surface of the display panel facing to the projection surface is suddenly raised, meanwhile, the sunlight passing through the windshield reversely passes through the reflection module to irradiate the display panel, so that the temperature of one surface of the display panel facing to the second light-transmitting plate is suddenly raised, the fan can simultaneously blow air towards the first channel and the second channel, therefore, the air can simultaneously pass through the two surfaces of the display panel to reduce the temperature of the two surfaces of the display panel, and the heated hot air is sent out from the opening at the other side, so that the temperature of the display panel is reduced by shunting, and the beneficial effect of temperature reduction is improved.
First light-passing board with the second light-passing board, and display panel forms the wind-tunnel heat dissipation, compresses the velocity of wind flow can be extruded to the promotion area of fan, and first characteristics increase the wind pressure, can increase the air with the efficiency of display panel heat exchange, second characteristics, air flow rate is fast, increases the speed that the cold air replaces the hot-air, third characteristics, the air all flows around the display panel, makes display panel dispels the heat around, increases display panel heat radiating area.
Drawings
Fig. 1 is a perspective view of the present invention in a preferred embodiment;
fig. 2 is an exploded view of the present invention in a preferred embodiment;
fig. 3 is a side view of the present invention in a preferred embodiment;
FIG. 4 is a circuit diagram of the present invention in a preferred embodiment;
fig. 5 is a schematic view of the present invention assembled on the dashboard of a vehicle according to a preferred embodiment of the present invention.
Description of the symbols in the drawings:
Fixed part 12
Front opening 132
Accommodating space 14
First light-transmitting plate 21
Second light-transmitting panel 22
Windshield 52
Light-sensing side module 70
Key set 90
Sunlight S
Detailed Description
The technical solution of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 5, the utility model relates to a new line display with heat radiation structure mainly has frame 10, first light-passing board 21, second light-passing board 22, display panel 30, fan 40, wherein:
the base 10 has a projection part 11 and a fixing part 12, the fixing part 12 has two side walls 13 and a front opening 132, an accommodating space 14 is provided between the two side walls 13, and the two side walls 13 are respectively provided with an opening 131 communicated with the accommodating space 14; in the embodiment, the base 10 is provided with a circuit board 15, and includes a processor 150, and the processor 150 can integrate various system information of driving such as an automobile or an airplane, convert the information into a specific pattern, character or symbol (for example, instrument display, temperature image display, rotation speed display, etc.) according to a selected mode, and output the integrated specific pattern, character or symbol to a display screen.
A first transparent plate 21 provided in the projection unit 11;
the second transparent plate 22 is connected with the two side walls 13; in this embodiment, the second transparent plate 20 is assembled on the two sidewalls 13 and located at the front opening 132.
The display panel 30 is connected to the two sidewalls 13 and located in the accommodating space 14, the display panel 30 is located between the second transparent plate 22 and the first transparent plate 21, the accommodating space 14 is divided into a first channel 141 and a second channel 142, the first channel 141 is located between the display panel 30 and the first transparent plate 21, the second channel 142 is located between the display panel 30 and the second transparent plate 22, and the display panel 30 is electrically connected to the circuit board 15 and receives a display image output by the circuit board 15; in this embodiment, a Thin film transistor liquid crystal display (TFT-LCD) 30 is one of many liquid crystal displays, and has a basic structure in which a layer of liquid crystal is sandwiched between two glass substrates, the upper glass substrate is a color filter, and the lower glass substrate is embedded with transistors. When the current passes through the transistor of the lower glass to generate electric field change, the liquid crystal molecules in the center of the two glass substrates are deflected to change the polarization of light, and the bright and dark states of the pixels are determined by the polaroid.
The fan 40 is disposed on one of the sidewalls 13 and connected to the first channel 141 and the second channel 142, and the fan 40 is electrically connected to the circuit board 15; in the present embodiment, the fan 40 blows air from one of the openings 131 toward the other opening 131, so that the air flows through the first channel 141 and the second channel 142, the air flows through the heat-generating display panel 30, and the heated air flows are blown out from the other opening 131, so that the temperature of the display panel 30 can be lowered toward both the first transparent plate 21 and the second transparent plate 22.
In this embodiment, the projecting portion 11 of the base 10 has a backlight module 112, the projecting portion 11 projects the light source toward the display panel 30 through the backlight module 112, the projecting portion 11 has a reflector 111, the reflector 111 reflects the light source projected by the backlight module 112 to the display panel 30, the back of the backlight module 112 has a heat dissipation module 16, the heat dissipation module 16 is a heat sink for reducing the temperature of the backlight module 112, the first transparent plate 111 is disposed between the backlight module 112 and the display panel 30 or disposed right in front of the backlight module 112, and the first transparent plate is heat-insulating glass capable of preventing the heat of the backlight module 112 from being transmitted to the display panel 30. It should be noted that the Backlight Module 112 (BLM) is also called a Backlight panel in the art, and is one of the important components of the display panel 30. Since the display panel 30 is a non-self-luminous display, light rays projected by the backlight source sequentially penetrate through the display panel 30 and other related components to enter human eyes to achieve the display effect.
Secondly, the present invention is suitable for a vehicle (not shown), the vehicle has instrument desk 51, frame 10 buries underground in instrument desk 51, and projection 11 of frame 10 can be towards the windshield 52 of vehicle throws the picture. In particular, a reflection module 53 is separately embedded in the instrument desk 51, and an image passing through the display panel 30 is reflected to the windshield 52 by the reflection module 53, so that the driver can receive the image from the windshield 52.
Furthermore, a reflective film 60 is attached to the windshield 52, and the reflective film 60 is used for reflecting the image generated by the stand 10 to the eyes of the driver. In particular, the reflective film 60 is referred to in the art as a highly reflective film 60 that maximizes reflectivity across a single or a range of spectral bands, whereas the conventional reflective film 60 can pass tantalum pentoxide (Ta)2O5) And/or Aluminum Oxide (Al)2O3) Etc.), the reflective film 60 can be made of a material capable of interfering with the penetration of light, not only the aforementioned materials, but also the reflective film 60 can be made of a material capable of interfering with the penetration of light, as is common knowledge in the art.
The light sensing module 70 is electrically connected to the circuit board 15, and the light sensing module 70 is used for sensing the daylight intensity in the vehicle and transmitting a light signal to the second transparent plate 20 according to the received daylight intensity to adjust the brightness of the second transparent plate 20. It should be noted that the Light sensing module 70(Light Sensor) is a Sensor that converts Light signals into telecommunication signals by using a photosensitive element. The light sensing module 70 generally comprises a set of light projector and light receiver, wherein the light projector focuses light through a lens to transmit to the lens of the light receiver, and then transmits to the receiving sensor. The receiving sensor converts the received light signal into a telecommunication signal, and the telecommunication signal can switch on or off the backlight module 112 or control the brightness. In other words, the basic principle of the light sensing module 70 is to use the light between the light projector and the light receiver to change the obtained signal, so as to accomplish various kinds of automation control.
The temperature sensing module 80 is electrically connected to the circuit board 15, the temperature sensing module 80 is used for sensing the temperature of the vehicle and the display panel 30, and the rotation speed of the fan 40 is adjusted by the temperature measured by the temperature sensing module 80. It should be noted that the temperature sensing module 80 is mainly divided into a contact sensing module and a non-contact sensing module in the technical field, and the contact sensing module is made of a thermocouple or a thermistor and contacts with a measured object during measurement; the non-contact sensing module can measure the temperature radiation released by the heat source and can be far away from the measured object during measurement. The Thermocouple (TC) is composed of a pair of junctions made of two different metals. One of the junctions represents a reference temperature, and the other is a measured temperature, and a voltage generated by a temperature difference between the two is converted into a temperature signal for controlling the fan 40. The thermistor is made of a resistive semiconductor material and is particularly sensitive to temperature, and the resistance value of the thermistor decreases when the temperature rises, so that when the temperature changes, the change of the resistance can be predicted, and a temperature signal for controlling the fan 40 is generated through the change.
In addition, a key set 90 is electrically connected to the circuit board 15, and an open key (not shown) and a close key (not shown) electrically connected to the frame 10 are provided on the key set 90, so that a user can start or close the head-up display with a heat dissipation structure by the open key and the close key.
In view of the above, the present invention provides a structure configuration and connection relationship thereof in a preferred embodiment, which is used as follows:
as shown in fig. 3, after the user starts the base 10, the backlight module 112 projects a light source to the display panel 30, and after the image of the display panel 30 passes through the second transparent plate 20, the image is reflected to the reflective film 60 attached to the windshield 52 by the reflective module 53, so that the user can directly view the image on the windshield 52.
It should be noted that when the backlight module 112 projects the light source toward the display panel 30, the temperature of the side of the display panel 30 facing the projecting part 11 is abruptly raised, and at the same time, the sunlight S passing through the windshield 52 is reversely irradiated to the display panel 30 through the reflection module 53, so that the temperature of the side of the display panel 30 facing the second transparent plate 20 is abruptly raised, and the fan 40 can simultaneously blow air toward the first channel 141 and the second channel 142, so that the wind energy can simultaneously pass through the two sides of the display panel 30 to lower the temperature of the two sides of the display panel 30, and the heated hot air is discharged from the opening 131 on the other side, thereby reducing the temperature of the display panel 30 by shunting, so as to improve the advantageous effect of cooling, the first transparent plate 21 and the second transparent plate 22, and the display panel 30 form a wind tunnel for heat dissipation, the pushing area of the compression fan 40 can press the wind flow, the first characteristic is that the wind pressure is increased, the efficiency of the heat exchange between the air and the display panel 30 can be increased, the second characteristic is that the air flow rate is high, the speed of replacing hot air by cold air is increased, and the third characteristic is that the air flows around the display panel 30, so that the heat of the display panel 30 is dissipated from the front and the back, and the heat dissipation area of the display panel is increased.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A head-up display with a heat dissipation structure, comprising:
the base is provided with a projection part and a fixing part, the fixing part is provided with two side walls and a front opening, an accommodating space is arranged between the two side walls, and the two side walls are respectively provided with an opening communicated with the accommodating space;
a first transparent plate provided in the projection unit;
the second light-transmitting plate is connected with the two side walls and is positioned at the front opening;
the display panel is connected with the two side walls and is positioned in the accommodating space, the display panel is positioned between the first light-transmitting plate and the second light-transmitting plate, the accommodating space is divided into a first channel and a second channel, the first channel is positioned between the display panel and the first light-transmitting plate, and the second channel is positioned between the display panel and the second light-transmitting plate;
and the fan is arranged on one side wall and connected with the first channel and the second channel.
2. The head-up display with the heat dissipation structure of claim 1, wherein the projection portion of the base has a backlight module, the backlight module projects a light source toward the display panel, and the first transparent plate is disposed between the backlight module and the display panel.
3. The head-up display with the heat dissipation structure of claim 2, wherein the projection portion of the base further comprises a reflector plate, and the reflector plate reflects the light source projected by the backlight module to the display panel.
4. The head-up display with a heat dissipation structure according to claim 1, wherein the base is embedded in an instrument desk of a vehicle, a reflection module is additionally embedded in the instrument desk, and an image passing through the display panel is reflected to a windshield of the vehicle by the reflection module.
5. The head-up display with a heat dissipation structure as recited in claim 4, further comprising a reflective film attached to the windshield, wherein the reflective film receives an image passing through the display panel.
6. The head-up display with heat dissipation structure of claim 1, wherein a circuit board is installed in the housing and electrically connected to the light sensing module.
7. The head-up display with a heat dissipation structure as claimed in claim 1, wherein a circuit board is installed in the housing and electrically connected to the temperature sensing module.
8. The head-up display with heat dissipation structure as claimed in claim 1, wherein the housing has a circuit board mounted therein and electrically connected to a key set, and the key set has an on key and an off key.
9. The head-up display with heat dissipation structure of claim 2, wherein a heat dissipation module is disposed on a back surface of the backlight module.
10. The head-up display with the heat dissipation structure of claim 1, wherein the first transparent plate is heat insulating glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264992.6U CN212675277U (en) | 2020-07-02 | 2020-07-02 | Head-up display with heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264992.6U CN212675277U (en) | 2020-07-02 | 2020-07-02 | Head-up display with heat radiation structure |
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| Publication Number | Publication Date |
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| CN212675277U true CN212675277U (en) | 2021-03-09 |
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| CN202021264992.6U Active CN212675277U (en) | 2020-07-02 | 2020-07-02 | Head-up display with heat radiation structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023028953A1 (en) * | 2021-09-02 | 2023-03-09 | 京东方科技集团股份有限公司 | Projection assembly, display system, and vehicle |
| CN116300176A (en) * | 2023-03-09 | 2023-06-23 | 业成科技（成都）有限公司 | Image generating apparatus |
| CN116449574A (en) * | 2023-05-15 | 2023-07-18 | 广东睿华光电科技有限公司 | Head-up display and heat-resistant assembly thereof |
-
2020
- 2020-07-02 CN CN202021264992.6U patent/CN212675277U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023028953A1 (en) * | 2021-09-02 | 2023-03-09 | 京东方科技集团股份有限公司 | Projection assembly, display system, and vehicle |
| CN116300176A (en) * | 2023-03-09 | 2023-06-23 | 业成科技（成都）有限公司 | Image generating apparatus |
| CN116449574A (en) * | 2023-05-15 | 2023-07-18 | 广东睿华光电科技有限公司 | Head-up display and heat-resistant assembly thereof |
| CN116449574B (en) * | 2023-05-15 | 2023-11-14 | 广东睿华光电科技有限公司 | Head-up display |
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