Intelligent projection head-up display hud navigation

Abstract

The invention discloses an intelligent projection type head up display HUD navigation, comprising a master control CPU, a supplementary control CPU, a digital projection display module and an optical sensing device. The master control CPU is connected with the supplementary control CPU and the digital projection display module; the optical sensing device and the digital projection display module are connected with the supplementary control CPU; the optical sensing device obtains environmental light intensity value, converts the environmental light intensity value into 16-bit value and transmits to the master control CPU through an I2C serial port, the supplementary control CPU reads the environmental light intensity value through the I2C serial port. According to the intelligent projection type head up display HUD navigation, the light-dark degree of the surrounding environment can be automatically obtained, the display brightness of the HUD is adjusted according to the light-dark degree of the environment; compared with the prior art, the overall design is more reasonable, and the comfort level in user experience is improved.

Description

technical field [0001] The invention relates to the field of vehicle equipment, in particular to an intelligent projection type head-up display (HUD) navigation. Background technique [0002] HUD stands for Head Up Display, meaning head-up display, which refers to projecting the content to be displayed on the windshield to form a virtual image outside the windshield. This technology first appeared on fighter jets, and the purpose is to keep the fighter pilot's sight directly in front of the plane. Since the 1990s, HUD has been gradually transformed into civilian vehicles. Its meaning is similar to the HUD of fighter jets, that is, to keep the driver's line of sight straight ahead and avoid accidents caused by the driver looking elsewhere. [0003] In recent years, based on the optical principle of traditional pre-installation HUD, HUD based on DLP digital projection has appeared in the aftermarket. This kind of HUD has the characteristics of small size, flexibility, multipl...

AI Technical Summary

Problems solved by technology

However, the shortcomings of this type of HUD are also particularly obvious, such as the inability to automatically sense light, obtain the degree of ambient light and darkness, the imaging film (curtain) has a strong grainy feel, and the contrast and brightness are generally low, which is more obvious under strong light.

This type of HUD cannot be turned on when the vehicle's engine is started, nor can it be turned off when the engine is turned off

When the temperature is too high, the projection imaging unit cannot be turned off; this type of HUD cannot directly reply to WeChat by voice, and cannot log in to the user’s WeChat through the QR code generated in the mobile phone

This type of HUD does not have a remote control, and all operations can only be performed through gesture recognition or voice recognition

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