CN218767600U - Head-up display protection device and vehicle - Google Patents
Head-up display protection device and vehicle Download PDFInfo
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- CN218767600U CN218767600U CN202223185598.5U CN202223185598U CN218767600U CN 218767600 U CN218767600 U CN 218767600U CN 202223185598 U CN202223185598 U CN 202223185598U CN 218767600 U CN218767600 U CN 218767600U
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Abstract
The utility model discloses a new line display protection device is applied to and protects the display mechanism in the new line display system. The head-up display protection device comprises a controller, a reflection mechanism and a temperature sensor. The controller is arranged in the head-up display device and is electrically connected with the display mechanism. The reflecting mechanism is arranged facing the display mechanism and electrically connected with the controller. The temperature sensor faces the display mechanism and is electrically connected with the controller. And the controller respectively adjusts the display mechanism or the reflecting mechanism according to the temperature of the display mechanism monitored by the temperature sensor. The utility model also discloses a vehicle. So set up, new line display protection device can protect display mechanism, avoids burning out because of the high temperature.
Description
Technical Field
The utility model relates to an on-vehicle demonstration field especially relates to a new line shows protection device and vehicle.
Background
The temperature of a vehicle-mounted head-up display screen in the current market can not be directly acquired to obtain a temperature value on the screen, but the temperature of the screen is read through an NTC (negative temperature coefficient) sampling resistor on a screen flat cable, and as sunlight backflow occurs on the head-up display screen, the sunlight backflow directly accumulates high temperature on condensation generated in a screen display area, an existing temperature sampling point can only be distributed on a flat cable, and the flat cable is far away from a display area which really needs to be monitored. Therefore, the real temperature condition of the screen surface cannot be obtained quickly, and the protection measures cannot be executed directly and effectively, so that the condition that the screen liquid crystal molecules are burnt due to the converged high temperature occurs.
Therefore, it is desirable to provide a new head-up display protection device and a vehicle to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a new line shows protection device and vehicle, when taking place sunshine and flowing backward the high temperature, new line shows protection device can be right display mechanism protects, prevents display mechanism burns out because of the high temperature.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a heads-up display protection device for protecting a display mechanism in a heads-up display system, the heads-up display protection device comprising:
the controller is arranged in the head-up display system and is electrically connected with the display mechanism;
the reflecting mechanism is arranged facing the display mechanism and is electrically connected with the controller; and
the temperature sensor is arranged facing the display mechanism and electrically connected with the controller, and the controller is used for adjusting the display mechanism or the reflecting mechanism respectively according to the temperature of the display mechanism monitored by the temperature sensor.
As the utility model discloses further improvement scheme, display mechanism includes like source backlight unit and liquid crystal display screen, the liquid crystal display screen set up in like source backlight unit's surface, temperature sensor configuration is right the liquid crystal display screen carries out temperature monitoring often.
As a further improvement, the reflecting mechanism includes a first reflecting member and a second reflecting member, the first reflecting member is disposed on the same side of the display mechanism, the second reflecting member is disposed on the same side of the temperature sensor, and the first reflecting member is disposed on the opposite side of the second reflecting member.
As a further improvement, the new line display protection device further includes an actuating mechanism, the first reflector rotate set up in actuating mechanism, actuating mechanism with controller electric connection.
As a further improvement of the present invention, the reflection surface of the first reflection member is arc-surface shaped, and the reflection surface of the second reflection member is planar.
As a further improvement of the present invention, the reflection surface of the first reflection member is planar, and the reflection surface of the second reflection member is planar.
As a further improvement of the present invention, the controller includes a circuit board, the temperature sensor and the driving mechanism respectively with the circuit board electrically connected.
As the utility model discloses further improvement scheme, temperature sensor is non-contact infrared temperature sensor.
As a further improvement of the present invention, the temperature sensor is a non-contact radiation temperature sensor.
In order to achieve the above purpose, the utility model discloses still adopt following technical method:
a vehicle comprises the head-up display protection device.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a new line display protection device for protect new line display system's display mechanism. The head-up display protection device comprises a controller, a reflecting mechanism and a temperature sensor. The temperature sensor is arranged facing the display mechanism, the temperature sensor monitors the temperature of the display mechanism in real time, and the controller respectively adjusts the display mechanism or the reflecting mechanism according to the temperature of the display mechanism monitored by the temperature sensor, so that the purpose of protecting the display mechanism is achieved, and the maintenance cost is reduced.
Drawings
FIG. 1 is a prior art light path schematic of sunlight being refracted through a windshield to a display mechanism;
FIG. 2 is a schematic diagram of a prior art display mechanism in cooperation with an NTC (negative temperature coefficient) sampling resistor;
fig. 3 is a schematic view of the present invention in a first protection mode;
fig. 4 is a schematic diagram of the second protection mode of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. If several embodiments exist, the features of these embodiments may be combined with each other without conflict. When the description refers to the accompanying drawings, the same numbers in different drawings represent the same or similar elements, unless otherwise specified. The description set forth below in the exemplary detailed description does not represent all embodiments consistent with the present invention; rather, they are merely examples of apparatus, products and/or methods consistent with certain aspects of the invention, as set forth in the claims.
The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. As used in the specification and claims of this application, the singular form of "a", "an", or "the" is intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the terms "first," "second," and the like as used in the description and in the claims of the present invention do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the terms "front," "back," "up," "down," and the like in the description of the invention are used for convenience of description and are not limited to a particular position or spatial orientation. The word "comprise" or "comprises", and the like, is an open-ended expression meaning that an element that precedes "includes" or "comprising" includes "that the element that follows" includes "or" comprises "and its equivalents, that do not preclude the element that precedes" includes "or" comprising "from also including other elements. If the utility model discloses in appear "a plurality of", its meaning indicates two and more than two.
Referring to fig. 1 to 2, a heads-up display system 200 is an apparatus for providing a driver with vehicle travel information for safe driving. The display mechanism 210 in the head-up display system 200 is provided on a side facing the cab, and the display mechanism 210 projects an image onto the windshield 10 through an optical system so that the driver can receive the image information. The head-up display system 200 is provided with a display mechanism 210, the display mechanism 210 includes an image source backlight module 211 and a liquid crystal display screen 212, and the liquid crystal display screen 212 is disposed on a surface of the image source backlight module 211. At present, the surface temperature of the display mechanism 210 commonly available in the market cannot directly collect the temperature value, but the NTC (negative temperature coefficient) sampling resistor 213 arranged on the inner line of the liquid crystal display screen 212 is used to read the temperature of the screen. Because the accumulated high temperature is directly generated on the liquid crystal display screen 212 by the reverse flow of sunlight, the real temperature condition of the screen surface cannot be quickly obtained by the temperature sampling mode of the NTC (negative temperature coefficient) sampling resistor on the flat cable at present, and the protection measures cannot be directly and effectively executed on the liquid crystal display screen 212, so that the liquid crystal display screen 212 is burnt due to the accumulated high temperature, the maintenance cost of a user is increased, and the experience feeling of the user is deteriorated.
Referring to fig. 3 to 4, the present invention discloses a head-up display protection device 100, which is applied to protect a display mechanism 210 in a head-up display system 200, and can prevent the display mechanism 210 from being burnt out due to an excessively high surface temperature when sunlight flows backward.
Referring to fig. 3 to 4, the protection apparatus 100 includes a controller 1, a reflection mechanism 2 and a temperature sensor 3. The controller 1, the reflection mechanism 2, and the temperature sensor 3 are disposed in the head-up display system 200. The controller 1 is disposed in the head-up display system 200, the reflection mechanism 2 is disposed facing the display mechanism 210, and the reflection mechanism 2 is electrically connected to the control structure 1. The temperature sensor 3 is disposed facing the display mechanism 210, the temperature sensor 3 is electrically connected to the controller 1, the temperature sensor 3 is configured to perform real-time temperature monitoring of the display mechanism 210. According to the temperature of the display mechanism 210 monitored by the temperature sensor 3, the controller 1 respectively adjusts the display mechanism 210 or the reflection mechanism 2 to protect the display mechanism 210 and prevent the display mechanism 210 from being burnt due to high temperature.
The reflecting mechanism 2 includes a first reflecting member 21 and a second reflecting member 22, the first reflecting member 21 is disposed on the same side as the display mechanism 210, and the second reflecting member 22 is disposed on the same side as the temperature sensor 3. The reflecting surface of the first reflecting member 21 is disposed opposite to the reflecting surface of the second reflecting member 22, and the first reflecting member 21 and the second reflecting member 22 are disposed in a shifted manner. The reflecting surface of the first reflecting member 21 faces the windshield 10 to receive the light incident through the windshield 10, the light is reflected by the first reflecting member 21 toward the second reflecting member 22, and the second reflecting member 22 reflects the received light toward the liquid crystal display screen 212.
In the first embodiment, the reflecting surface of the first reflecting member 21 has an arc-shaped surface, and the reflecting surface of the second reflecting member 22 has a planar surface. The arc-shaped first reflecting member 21 is recessed toward a side away from the second reflecting member 22 to form a concave mirror, and the reflecting surface of the first reflecting member 21 has a converging effect on the light incident from the windshield 10 by using the principle of reflection by the concave mirror. Therefore, it is possible to receive as many light rays as possible incident from the windshield 10 and reflect the light rays to the reflecting surface of the second reflecting member 22.
In the second embodiment, the reflecting surface of the first reflector 21 is planar, and the reflecting surface of the second reflector 22 is planar, and the planar reflecting surface of the first reflector 21 can receive light beams incident from the windshield 10 and reflect the light beams to the second reflector 22.
The head-up display protection device 100 further includes a driving mechanism 4, the first reflective member 21 is rotatably disposed on the driving mechanism 4, and the driving mechanism 4 is electrically connected to the controller 1. The controller 1 can control the first reflecting member 21 to rotate through the driving mechanism 4, so as to adjust the angle of the first reflecting member 21 for receiving light. In the present embodiment, the drive mechanism 4 is a motor.
In the present embodiment, the temperature sensor 3 is a non-contact infrared temperature sensor. The temperature sensor 3 monitors the temperature of the lcd screen 212 in real time. The accuracy of temperature monitoring can be improved by using the non-contact infrared temperature sensor. When the sunlight flows backwards in the sun, the sunlight refracted by the windshield 10 sequentially passes through the first reflecting piece 21 and the second reflecting piece 22 and is converged on the liquid crystal display screen 212, the non-contact infrared temperature sensor converts the returned infrared radiation value into a temperature signal and transmits the temperature signal to the controller 1, and the controller 1 controls the driving mechanism 4 to drive the first reflecting piece 21 to rotate according to the temperature signal. Preferably, the controller 1 includes a circuit board, and the temperature sensor 3 and the driving mechanism 4 are electrically connected to the circuit board respectively.
In other embodiments, the temperature sensor 3 is a non-contact radiation temperature sensor, and is not limited herein.
Referring to fig. 3, the first protection measure: when the temperature sensor 3 monitors that the temperature of the liquid crystal display screen 212 is greater than the set temperature T1 and less than or equal to the set temperature T2, the controller 1 controls the image source backlight module 211 to adjust the backlight brightness thereof, and the purpose of reducing the self-heating value of the image source backlight module 211 is achieved by reducing the self-brightness of the image source backlight module 211, so as to meet the capability that the image source backlight module 211 can continuously perform display work. Preferably, the image source backlight module 211 is adjusted by a PWM controller. In this embodiment, the first protection measure is primary protection.
Referring to fig. 4, the second protection measure: when the temperature sensor 3 detects that the temperature of the lcd screen 212 is higher than the set temperature T2, the controller 1 turns off the image source backlight module 212, and the controller 1 controls the reflection mechanism 2 to rotate. Specifically, the controller 1 controls the driving mechanism 4 to drive the first reflecting member 21 to rotate 20 ° from the first position to the second position. Specifically, the first position is an initial position, and the second position is a position in which the first reflecting member 21 is rotated by 20 ° toward the second reflecting member 22 and along the rotating shaft 41 of the driving mechanism 4. So as to prevent the sunlight from flowing back to the liquid crystal display screen 212 along the original light path, so that the surface temperature of the liquid crystal display screen 212 is increased sharply, and the liquid crystal display screen 212 is burnt. In this embodiment, the second protection measure is advanced protection. The heads-up display protection device 100 performs a high level of protection equivalent to turning off the display function of the heads-up display system 200, thereby performing overheat protection. When the temperature sensor 3 detects that the surface temperature of the liquid crystal display screen 212 is restored to a lower value, the controller 1 controls the driving mechanism 4 to drive the first reflecting member 21 to reversely rotate from the second position to the first position, the display mechanism 210 is normally turned on, and the head-up display system 200 performs a normal display function. In this embodiment, the temperature values of T1 and T2 may be set as required, and preferably T1 is (70 ± 5) ° c; t2 is (85 +/-5) DEG C. The temperature T2 is set according to the temperature tolerance of the LCD screen 212. In other embodiments, T2 is (95 + -5) deg.C.
The utility model discloses new line shows protection device 100 is applicable to W-HUD (Windshield Head Up Display) windscreen type new line Display equipment and AR-HUD (Augmented Reality Head Up Display) reinforcing Reality type new line Display equipment, does not do the restriction here.
The utility model also discloses a vehicle, the vehicle is including new line display protection device 100. By installing the head-up display protection device 100 in the head-up display system 200, the liquid crystal display screen 212 is protected, the situation that the liquid crystal display screen 212 is burnt due to high temperature caused by the fact that sunlight flows back to the liquid crystal display screen 212 is prevented, maintenance cost is reduced, and user satisfaction is improved.
In summary, the following steps: the utility model discloses a new line display protection device 100 for protect display mechanism 212 in new line display system 200. The head-up display protection device 100 includes a controller 1, a reflection mechanism 2, and a temperature sensor 3. Through setting temperature sensor 3 towards display mechanism 212 to temperature sensor 3 carries out real-time temperature monitoring to display mechanism 212, monitors the temperature of display mechanism 212 according to temperature sensor 3, and controller 1 adjusts display mechanism 210 or reflecting mechanism 2 respectively to reach the purpose of protecting display mechanism 210, thereby reduced the maintenance cost.
The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical personnel in the technical field, such as the descriptions of the directions of "front", "back", "left", "right", "upper", "lower", etc., and although the present specification has been described in detail with reference to the above embodiments, the ordinary technical personnel in the technical field should understand that the present invention can still be modified or substituted by the equivalent, and all the technical solutions and the modifications thereof without departing from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.
Claims (10)
1. A heads-up display protection device for protecting a display mechanism (210) in a heads-up display system (200), the heads-up display protection device comprising:
the controller (1) is arranged in the head-up display system (200), and the controller (1) is electrically connected with the display mechanism (210);
the reflecting mechanism (2) is arranged facing the display mechanism (210), and the reflecting mechanism (2) is electrically connected with the controller (1); and
the temperature sensor (3) faces the display mechanism (210), the temperature sensor (3) is electrically connected with the controller (1), and the controller (1) respectively adjusts the display mechanism (210) or the reflecting mechanism (2) according to the temperature of the display mechanism (210) monitored by the temperature sensor (3).
2. The heads-up display protection device of claim 1, wherein: the display mechanism (210) comprises an image source backlight module (211) and a liquid crystal display screen (212), the liquid crystal display screen (212) is arranged on the surface of the image source backlight module (211), and the temperature sensor (3) is configured to monitor the temperature of the liquid crystal display screen (212) in real time.
3. The heads-up display protection device of claim 1, wherein: the reflecting mechanism (2) comprises a first reflecting piece (21) and a second reflecting piece (22), the first reflecting piece (21) and the display mechanism (210) are arranged on the same side, the second reflecting piece (22) and the temperature sensor (3) are arranged on the same side, and the first reflecting piece (21) and the second reflecting piece (22) are arranged oppositely.
4. The heads-up display protection device of claim 3, wherein: the head-up display protection device further comprises a driving mechanism (4), the first reflecting piece (21) is rotatably arranged on the driving mechanism (4), and the driving mechanism (4) is electrically connected with the controller (1).
5. The heads-up display protection device of claim 3, wherein: the reflecting surface of the first reflecting piece (21) is arc-surface-shaped, and the reflecting surface of the second reflecting piece (22) is plane-shaped.
6. The heads-up display protection device of claim 3, wherein: the reflecting surface of the first reflecting member (21) is planar, and the reflecting surface of the second reflecting member (22) is planar.
7. The heads-up display protection device of claim 4, wherein: the controller comprises a circuit board, and the temperature sensor (3) and the driving mechanism (4) are electrically connected with the circuit board respectively.
8. The heads-up display protection device of claim 1, wherein: the temperature sensor (3) is a non-contact infrared temperature sensor.
9. The heads-up display protection device of claim 1, wherein: the temperature sensor (3) is a non-contact radiation temperature sensor.
10. A vehicle, characterized in that: comprising the heads-up display protection device of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223185598.5U CN218767600U (en) | 2022-11-29 | 2022-11-29 | Head-up display protection device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223185598.5U CN218767600U (en) | 2022-11-29 | 2022-11-29 | Head-up display protection device and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218767600U true CN218767600U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223185598.5U Active CN218767600U (en) | 2022-11-29 | 2022-11-29 | Head-up display protection device and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218767600U (en) |
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- 2022-11-29 CN CN202223185598.5U patent/CN218767600U/en active Active
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