Vehicle-mounted HUD control method, device and system and readable storage medium

Abstract

The invention relates to a vehicle-mounted HUD control method, device and system and a storable medium, and the method comprises the steps: detecting whether sunlight flows backwards on a TFT screen or not; detecting the intensity of sunlight flowing backwards on the TFT screen; and executing control, and controlling the TFT screen to be turned off if the sunlight flows backward and the sunlight intensity is greater than a preset value. According to the technical scheme, whether sunlight backward flowing occurs on the TFT screen or not is efficiently monitored by detecting whether the backward flowing light spot exists on the TFT screen or not and then detecting the light intensity of the sunlight backward flowing on the TFT screen, when the backward flowing light spot exists and the light intensity is too large, the TFT screen is controlled to be shut down, positions of other parts do not need to be changed, and the time and labor are saved. Therefore, the burn-in phenomenon caused by the backward flow of the sun can be effectively prevented, the subsequent normal use of the equipment is not influenced, and the use experience of the product is greatly improved.

Description

technical field [0001] The invention relates to the technical field of in-vehicle equipment, in particular to a control method, device and system of an in-vehicle HUD. Background technique [0002] The head-up display is referred to as HUD, also known as the head-up display system, which refers to the driver-centered, blind-operated, multi-functional instrument panel. HUD projects important driving information such as speed and navigation onto the windshield in front of the driver, so that the driver can see important driving information such as speed and navigation without turning his head or turning his head. It is of great help to assisted driving and improves the driving experience of the driver. [0003] Inversion of sunlight is a very important issue in the production and development of HUD. In the HUD with TFT projection technology, when the external ambient light is higher than a certain intensity, the sunlight is reflected on the TFT screen through the internal str...

AI Technical Summary

Problems solved by technology

[0003] Sunlight intrusion is a very important problem in the production and development of HUD. In the HUD with projection technology using TFT, when the external ambient light is higher than a certain intensity, the sunlight is reflected to the TFT screen through the internal structure of the HUD. Since the TFT screen Poor high-temperature resistance properties lead to damage to the TFT screen, which means burn-in

[0004] Judging from the current market, there are relatively few studies on the problem of solar backlighting in HUD. The more commonly used method in the prior art is to adjust the first-level reflector to direct the sunlight on the TFT screen when the ambient light is strong. However, due to the change of the light path, when the light intensity of the external environment decreases, because the light spot does not appear on the TFT screen at this time, it is impossible to detect the light intensity of the external environment, and then it cannot be detected in time. Restoring the primary reflector to its original position for normal work will greatly affect the user experience of the product, and it may even be necessary to restore the primary reflector to its original position manually, which may cause damage to the device

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