CN113103843A - Temperature regulation method, storage medium and system of head-up display - Google Patents
Temperature regulation method, storage medium and system of head-up display Download PDFInfo
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- CN113103843A CN113103843A CN202110545869.4A CN202110545869A CN113103843A CN 113103843 A CN113103843 A CN 113103843A CN 202110545869 A CN202110545869 A CN 202110545869A CN 113103843 A CN113103843 A CN 113103843A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000033228 biological regulation Effects 0.000 title claims abstract description 7
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000005057 refrigeration Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 7
- 230000015654 memory Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 238000007664 blowing Methods 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 81
- 230000001276 controlling effect Effects 0.000 description 19
- 230000001105 regulatory effect Effects 0.000 description 11
- 238000001514 detection method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- 238000012795 verification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00871—Air directing means, e.g. blades in an air outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H2001/003—Component temperature regulation using an air flow
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Abstract
The application provides a temperature regulation method, a storage medium and a system of a head-up display, wherein the method comprises the following steps: monitoring a device temperature value of the head-up display; if the device temperature value is larger than a first set threshold value, controlling an electric valve in a preset air duct to be opened, wherein an air inlet of the preset air duct faces the air conditioner blower, and an air outlet of the preset air duct faces the head-up display; and starting an air conditioner blower to blow air to the direction of the head-up display through the preset air channel. According to the scheme, the heat dissipation of blowing can be performed for the head-up display when the temperature of the head-up display is too high, so that the device temperature of the head-up display is reduced, and the performance reduction of the head-up display due to the too high temperature is avoided.
Description
Technical Field
The application relates to the technical field of automobile electronic components, in particular to a temperature regulation and control method, a storage medium and a system of a head-up display.
Background
With the development of the automobile industry, HUDs (head up displays) are gradually popularized in automobiles, and with the development of AR (augmented reality) technology, AR-HUDs are also gradually becoming the future development direction of HUDs.
From traditional C-HUD (combiner HUD) to W-HUD (Windshield-HUD) to future AR-HUD, with the technical iteration of HUD, it indeed brings better visual experience for the car owner from the aspects of display effect and technology. However, as the area of the HUD projection becomes larger and larger, the display definition becomes higher and higher, the amount of processed data becomes larger and larger, and the power consumption associated therewith becomes larger and larger, resulting in a faster temperature rise of the HUD. Meanwhile, because AR-HUD can replace traditional instrument function gradually, HUD's work security also becomes very important, in case when the vehicle goes, because HUD consumption is too high and the heat dissipation is bad, has aroused HUD's processing speed reduction, HUD crash or automatic shutdown etc. will seriously influence driving safety.
Disclosure of Invention
Embodiments of the present application are directed to a temperature control method, a storage medium, and a system for a head-up display, so as to solve a technical problem that driving safety may be affected due to poor heat dissipation when functions of the head-up display are increased day by day.
To solve the above problem, some embodiments of the present disclosure provide a temperature control method for a head-up display, including the following steps:
monitoring a device temperature value of the head-up display;
if the device temperature value is larger than a first set threshold value, controlling an electric valve in a preset air duct to be opened, wherein an air inlet of the preset air duct faces the air conditioner blower, and an air outlet of the preset air duct faces the head-up display;
and starting an air conditioner blower to blow air to the direction of the head-up display through the preset air channel.
In some embodiments of the present application, the method for regulating the temperature of a head-up display further includes the following steps:
if the device temperature value is greater than a second set threshold value, or after a set time, if the device temperature value is still greater than the first set threshold value, controlling the air conditioner to start a refrigeration mode;
the second set threshold is greater than the first set threshold.
In some embodiments of the present application, in the method for regulating and controlling the temperature of the head-up display, the step of controlling the air conditioner to start the cooling mode includes:
determining a target temperature value in a refrigeration mode according to a difference value between the device temperature value and the first set threshold/the second set threshold;
and controlling the air conditioner to start according to the corresponding air volume and air speed according to the target temperature value.
In some embodiments of the present application, the method for regulating the temperature of a head-up display further includes the following steps:
monitoring an ambient light intensity value;
and if the device temperature value is less than or equal to the first set threshold value, controlling the screen brightness of the head-up display according to the ambient light intensity value.
In the method for regulating and controlling the temperature of the head-up display according to some embodiments of the present application, in the step of controlling the screen brightness of the head-up display according to the ambient light intensity value:
and if the device temperature value is greater than the first set threshold value, controlling the screen brightness of the head-up display to be smaller than a brightness threshold value.
In the method for regulating and controlling the temperature of the head-up display according to some embodiments of the present application, in the step of controlling the screen brightness of the head-up display according to the ambient light intensity value:
and if the device temperature value is greater than the first set threshold value, controlling the screen brightness of the head-up display to be the lowest brightness.
Some embodiments of the present application further provide a storage medium, where the storage medium stores program information, and a computer reads the program information and then executes the temperature control method of the head-up display according to any one of the above embodiments.
Some embodiments of the present application further provide a temperature control system of a head-up display, including at least one processor and at least one memory, where at least one of the memories stores program information, and after the at least one of the processors reads the program information, the at least one of the processors executes any one of the temperature control methods of the head-up display.
In some embodiments of the present application, a temperature control system of a head-up display further includes:
the temperature sensor is arranged in the head-up display and used for detecting the device temperature value of the head-up display in real time and sending the device temperature value to the processor;
the air outlet of the preset air duct faces the head-up display according to the installation position of the head-up display in a vehicle and the outlet of an air conditioner blower;
the electric valve is arranged in the preset air duct, the controlled end of the electric valve is opened or closed under the control of the processor, and the preset air duct is conducted when the electric valve is opened.
The temperature regulation and control system of new line display that some embodiments of this application provided still includes light sensor, sets up inside the vehicle for real-time detection environment light intensity value and with environment light intensity value sends to the treater.
Compared with the prior art, the technical scheme provided by the application at least has the following beneficial effects: the device temperature value of the head-up display is monitored in real time, once the device temperature value is larger than a first set threshold value, the electric valve in the preset air duct is controlled to be opened, the air conditioner air blower is started to blow air towards the head-up display through the air outlet of the preset air duct, and air blowing and heat dissipation of the head-up display can be achieved, so that the device temperature of the head-up display is reduced, and the performance of the head-up display is prevented from being reduced due to overhigh temperature.
Drawings
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
FIG. 1 is a flow chart illustrating a method for regulating temperature of a head-up display according to an embodiment of the present disclosure;
FIG. 2 is a flow chart of a method for regulating temperature of a head-up display according to another embodiment of the present disclosure;
FIG. 3 is a flow chart of a method for regulating temperature of a head-up display according to another embodiment of the present disclosure;
FIG. 4 is a block diagram of a hardware configuration of a temperature regulation system of a head-up display according to an embodiment of the present disclosure;
fig. 5 is a block diagram of a hardware configuration of a temperature control system of a head-up display according to another embodiment of the present disclosure.
Detailed Description
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of description of the present application, and do not indicate or imply that the device or component being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Some embodiments of the present disclosure provide a temperature control method for a head-up display, which is performed when a vehicle is in a starting state, and may be applied to an on-board controller, as shown in fig. 1, where the method may include the following steps:
s101: and monitoring the device temperature value of the head-up display. In this step, the temperature of the head-up display may be detected by a temperature sensor provided in the head-up display, and then the detection result may be sent to the onboard controller. The ambient air temperature at the position where the head-up display is located can be detected through an air temperature detection sensor in the carriage, the detection result is sent to the vehicle-mounted controller, and the vehicle-mounted controller can calculate the device temperature value of the head-up display according to the detection result of the ambient air temperature.
S102: and judging whether the device temperature value is greater than a first set threshold value, if so, executing the step S103, otherwise, returning to the step S101. The first set threshold is a pre-stored standard value, and the first set threshold can be measured in a calibration test manner in advance. The first set threshold value can be obtained by comprehensively operating the temperature value when the processing speed of the head-up display becomes slow or the temperature value is in the pause state.
S103: and controlling an electric valve in a preset air duct to be opened, wherein an air inlet of the preset air duct faces to the air conditioner blower, and an air outlet of the preset air duct faces to the head-up display. That is, reform transform the wind channel of vehicle air conditioner, when the new line display need cool down, switch on the wind channel between air-blower and the new line display.
S104: and starting an air conditioner blower to blow air to the direction of the head-up display through the preset air channel. The vehicle-mounted controller CAN send the control command to the air conditioner controller through the CAN bus, the air conditioner controller CAN start an air blower inside the air conditioner box according to the control command, and the air blower blows air to the head-up display through an air outlet of a preset air channel.
In this scheme, through carrying out real-time supervision to the device temperature value of new line display, in case the device temperature value is greater than first settlement threshold value and just control the motorised valve of predetermineeing in the wind channel and open to thereby open the air conditioner air-blower and can blow towards new line display through the air outlet of predetermineeing the wind channel, can realize blowing for new line display and dispel the heat, in order to reduce new line display's device temperature, avoid new line display because the high temperature performance descends.
In some embodiments of the present application, as shown in fig. 2, the method for regulating the temperature of the head-up display may further include the following steps:
s105: and judging whether the device temperature value is still larger than the first set threshold value after the set time, if so, executing the step S106, otherwise, returning to the step S101. The set time can be obtained according to a calibration test, and the head-up display can not normally work after the head-up display reaches the set temperature value by verification.
S106: and controlling the air conditioner to start a refrigeration mode.
In the scheme, if the heat dissipation effect of the head-up display is not ideal due to the fact that air is blown to dissipate heat by the aid of the air blower, the air conditioner is controlled to start a refrigeration mode, and the air conditioner performs forced refrigeration on the head-up display by means of cold air.
In the above scheme, step S105 may further be: and judging whether the device temperature value is greater than a second set threshold value, if so, executing step S106. The second set threshold is greater than the first set threshold. The second set threshold may also be obtained in a calibration manner, and may be a temperature value corresponding to the crash or restart of the head-up display.
In the scheme, the head-up display is calibrated through a real vehicle, two different temperature thresholds are set, when the temperature reaches the first set threshold, the air conditioner starts natural air cooling, the processing speed is prevented from being slowed down due to overhigh temperature of the head-up display, when the temperature reaches the second set threshold or the air conditioner controller does not continuously cool down, the air conditioner compressor is started, the air conditioner enters a cooling mode, and the head-up display is prevented from being halted or stopped or restarted.
In some embodiments of the present disclosure, in the method for regulating and controlling the temperature of the head-up display, step S106 may be implemented as follows:
s1061: and determining a target temperature value in a refrigeration mode according to the difference value between the device temperature value and the set threshold value.
S1062: and controlling the air conditioner to start according to the corresponding air volume and air speed according to the target temperature value.
In the scheme, the target temperature value can be determined in a calibration mode, specifically, an operation model is built in the air conditioner controller in advance, and according to the rising speed of the temperature of the head-up display and the expected lowering speed of the temperature of the head-up display, the reasonable target temperature value and the working curve of the air conditioner air speed are calculated through calibration according to the comfort requirement of passengers in the cabin, so that the air conditioner can meet the requirements of the heat dissipation effect of the head-up display and the comfort of the passengers in the cabin in a refrigeration mode. In addition, the refrigeration mode is used for the purpose of cooling the head-up display, so that the temperature value of the air conditioner in the last use can be automatically memorized before the refrigeration mode of the air conditioner is started, and once the temperature value of the head-up display is reduced to the temperature value meeting the requirement, the memorized temperature value can be used as the target temperature of the air conditioner in the next start.
It can be understood that, according to the temperature control method for the head-up display provided in the above scheme, once the device temperature value of the head-up display reaches the temperature value capable of working normally, that is, below the first set threshold, the cooling operation may be stopped, and the temperature of the head-up display may be continuously monitored.
In some embodiments of the present application, as shown in fig. 3, the method for regulating the temperature of the head-up display may further include the following steps:
s200: and monitoring the intensity value of the ambient light. This can be achieved by a light sensor arranged in the vehicle, the result detected by the light sensor being sent directly to the vehicle-mounted controller.
S201: and judging whether the device temperature value is larger than the set threshold value, if so, executing step S203, otherwise, executing step S202.
S202: and controlling the screen brightness of the head-up display according to the ambient light intensity value.
S203: and controlling the screen brightness of the head-up display to be smaller than a brightness threshold value, or controlling the screen brightness of the head-up display to be the lowest brightness.
In the scheme, when the temperature of the head-up display meets the normal working condition, the screen brightness of the head-up display can be adaptively adjusted along with the light intensity detected by the light sensor. When the ambient light is strong, the screen brightness of the head-up display is increased, and conversely, when the ambient light is weak, the screen brightness of the head-up display is decreased. The problem that the screen brightness of the head-up display is strong and dazzling is caused by the fact that the ambient light is too strong but the screen brightness of the head-up display is weak and the display is unclear or the ambient light is weak and the screen brightness of the head-up display is strong is solved, and the screen brightness of the head-up display is matched with the ambient light brightness. The screen of the head-up display is a TFT screen, the TFT screen is a display screen arranged in the probe display, display information is projected onto a front windshield finally under the action of an internal reflection lens, and the brightness of the TFT screen is directly related to the brightness of a projected picture of the front windshield, so that the brightness of the TFT screen is adjusted in a self-adaptive mode according to the ambient light intensity.
Some embodiments of the present application further provide a storage medium, where the storage medium stores program information, and a computer reads the program information and then executes the temperature control method for a head-up display according to any one of the above aspects.
Some embodiments of the present application further provide a temperature control system of a head-up display, as shown in fig. 4, including at least one processor 101 and at least one memory 102, where at least one of the memory 102 stores program instructions, and after reading the program instructions, at least one of the processor 101 executes the temperature control method of the head-up display according to any one of the above aspects. The temperature control system of the head-up display may further include: an input device 103 and an output device 104. The processor 101, the memory 102, the input device 103 and the output device 104 may be connected by a bus or other means, and the solution in the present embodiment is connected by a car CAN bus.
As shown in fig. 5, the temperature control system of a head-up display in some embodiments of the present application further includes: and the temperature sensor 105 is arranged in the head-up display and used for detecting the device temperature value of the head-up display in real time and sending the device temperature value to the processor 101. And the air outlet of the preset air duct faces the head-up display according to the installation position of the head-up display in the vehicle and the outlet of the air conditioner blower. And the electric valve 106 is arranged in the preset air duct, the controlled end of the electric valve 106 is opened or closed under the control of the processor 101, and the preset air duct is communicated when the electric valve 106 is opened.
In the scheme, a temperature sensor 105 arranged in the head-up display monitors the temperature of key devices or peripheral air in the head-up display in real time, when the temperature is too high and exceeds a set threshold value, the air conditioner controller controls the electric valve 106 to open a heat dissipation air duct of the head-up display, and starts the air blower to blow the air volume generated by the air blower to the periphery of the head-up display through the air duct so as to cool the head-up display by air cooling.
In some embodiments, the system may further include a light sensor 107 disposed inside the vehicle for detecting the ambient light intensity value in real time and sending the ambient light intensity value to the processor 101. If the temperature of the head-up display is not high, the screen brightness of the head-up display can be adjusted in a self-adaptive mode according to the ambient light intensity, and if the temperature of the head-up display is too high, the brightness of the screen of the head-up display cannot be adjusted upwards, or the brightness of the screen of the head-up display is directly reduced to the lowest brightness.
The system can execute the method provided by the embodiment of the application, and has the corresponding functional modules and beneficial effects of the execution method. For technical details that are not described in detail in this embodiment, reference may be made to the methods provided in the embodiments of the present application.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A temperature regulation and control method of a head-up display is characterized by comprising the following steps:
monitoring a device temperature value of the head-up display;
if the device temperature value is larger than a first set threshold value, controlling an electric valve in a preset air duct to be opened, wherein an air inlet of the preset air duct faces the air conditioner blower, and an air outlet of the preset air duct faces the head-up display;
and starting an air conditioner blower to blow air to the direction of the head-up display through the preset air channel.
2. The method of claim 1, further comprising the steps of:
if the device temperature value is greater than a second set threshold value, or after a set time, if the device temperature value is still greater than the first set threshold value, controlling the air conditioner to start a refrigeration mode;
the second set threshold is greater than the first set threshold.
3. The method as claimed in claim 2, wherein the step of controlling the air conditioner to start the cooling mode comprises:
determining a target temperature value in a refrigeration mode according to a difference value between the device temperature value and the first set threshold/the second set threshold;
and controlling the air conditioner to start according to the corresponding air volume and air speed according to the target temperature value.
4. The method of claim 1, further comprising the steps of:
monitoring an ambient light intensity value;
and if the device temperature value is less than or equal to the first set threshold value, controlling the screen brightness of the head-up display according to the ambient light intensity value.
5. The method as claimed in claim 4, wherein the step of controlling the screen brightness of the head-up display according to the ambient light intensity value comprises:
and if the device temperature value is greater than the first set threshold value, controlling the screen brightness of the head-up display to be smaller than a brightness threshold value.
6. The method as claimed in claim 4, wherein the step of controlling the screen brightness of the head-up display according to the ambient light intensity value comprises:
and if the device temperature value is greater than the first set threshold value, controlling the screen brightness of the head-up display to be the lowest brightness.
7. A storage medium having program information stored therein, wherein the program information is read by a computer to execute the temperature control method of the head-up display according to any one of claims 1 to 6.
8. A temperature control system for a head-up display, comprising at least one processor and at least one memory, wherein at least one memory stores program information, and the at least one processor reads the program information and executes the temperature control method for a head-up display according to any one of claims 1-6.
9. The system of claim 8, further comprising:
the temperature sensor is arranged in the head-up display and used for detecting the device temperature value of the head-up display in real time and sending the device temperature value to the processor;
the air outlet of the preset air duct faces the head-up display according to the installation position of the head-up display in a vehicle and the outlet of an air conditioner blower;
the electric valve is arranged in the preset air duct, the controlled end of the electric valve is opened or closed under the control of the processor, and the preset air duct is conducted when the electric valve is opened.
10. The system of claim 9, further comprising:
and the light sensor is arranged in the vehicle and used for detecting the ambient light intensity value in real time and sending the ambient light intensity value to the processor.
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| CN202110545869.4A CN113103843A (en) | 2021-05-19 | 2021-05-19 | Temperature regulation method, storage medium and system of head-up display |
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| CN202110545869.4A CN113103843A (en) | 2021-05-19 | 2021-05-19 | Temperature regulation method, storage medium and system of head-up display |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113985940A (en) * | 2021-10-22 | 2022-01-28 | 福州京东方光电科技有限公司 | Method, device and equipment for adjusting temperature control device, display device and storage medium |
| CN115855455A (en) * | 2023-02-27 | 2023-03-28 | 泽景(西安)汽车电子有限责任公司 | Method and device for determining screen temperature of display and storage medium |
| CN115955822A (en) * | 2022-12-30 | 2023-04-11 | 信利半导体有限公司 | Vehicle-mounted display screen temperature adjusting method, display module and electronic product |
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