Motorcycle HUD equipment

Abstract

The utility model discloses a motorcycle HUD (head up display) device, which relates to the field of HUD devices and comprises a shell, a display screen, a free reflecting mirror and a transparent reflecting mirror are mounted on the shell, the transparent reflecting mirror is arranged on the upper portion of the shell, and the display screen and the free reflecting mirror are mounted inside the shell. Driving information of the display screen enters the transparent reflecting mirror after being reflected by the free reflecting mirror and enters human eyes of a rider after being reflected by the transparent reflecting mirror, and a virtual image of the driving information in the display screen is formed in front of the rider; driving information in the display screen is doubly reflected through the free reflecting mirror and the transparent reflecting mirror and then reaches the eyes of a rider, so that the rider can see a driving information virtual image amplified in a long distance in front of the rider, the situation that the rider lowers the head to check the driving information is avoided, and the driving safety is improved; and the rider can be ensured to always look forward in the riding process, so that the distraction of the rider is avoided, the riding sight is not blocked, and the riding safety is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of HUD equipment, especially to a motorcycle HUD equipment. BACKGROUND

[0002] HUD (Head-Up Display) is a technology that displays information directly in the user's field of view. It was first used in aircraft to allow pilots to see necessary information without looking down at the instruments while flying. With the advancement of technology, HUD has been widely used in many fields such as cars, motorcycles, smart glasses, AR devices, etc.

[0003] Patent application number CN202120845854.5 discloses a control system for a motorcycle HUD helmet information light, which includes a car machine system and a helmet system that establishes communication with the car machine system. The car machine system includes a car machine processor and a car machine BLE. The car machine processor is connected to the car machine BLE, and the car machine processor transmits instruction signals to the car machine BLE. The helmet system includes a helmet processor, a helmet BLE, and a helmet BLE. The helmet processor is connected to the helmet BLE, and the helmet BLE is used to receive car machine steering and car machine brake information transmitted by the car machine BLE. The helmet BLE transmits information to the helmet processor. An LED constant current driver is electrically connected to the helmet processor. The LED constant current driver is electrically connected to multiple groups of LED light strips. The helmet processor controls the display of the multiple groups of LED light strips through the LED constant current driver. Patent application number CN202020104076.X discloses a motorcycle HUD helmet control system, which includes a collection module, an MCU chip, a driving module, a HUD module, a HUD display screen, and a first Bluetooth transmission module. The collection module inputs collected road condition information to the MCU chip. The MCU chip controls the HUD module through the driving module. The MCU chip controls the HUD display screen. The MCU chip transmits information data through the first Bluetooth transmission module.

[0004] The existing motorcycle HUD connects the car machine processor to the helmet BLE, so that the vehicle information of the motorcycle is input into the helmet, allowing the motorcycle rider to view the instrument data without looking down. However, this motorcycle HUD can easily affect the rider's vision when displaying vehicle information, posing a safety hazard and distracting the rider, which can affect the safety of the ride. Therefore, the utility model discloses a motorcycle HUD device to solve the above problems. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide a motorcycle HUD device to solve the above technical problems, which can double reflect the driving information in the display screen through a free reflector and a transparent reflector to reach the eyes of the rider, so that the rider can see a far distance enlarged virtual image of the driving information in front of the rider, avoid looking down to check the driving information, improve the driving safety, and ensure that the rider always looks forward during the riding process, avoid the distraction of the rider, and will not block the view of the rider, thereby ensuring the safety of the riding.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A motorcycle HUD device comprises a shell, the shell is fixed on the upper end of the head of a motorcycle, a display screen, a free reflector and a transparent reflector are installed on the shell, the transparent reflector is arranged on the upper part of the shell, the display screen and the free reflector are installed in the shell, the driving information of the display screen is reflected by the free reflector and then enters the transparent reflector, and the virtual image of the driving information in the display screen is formed in front of the rider after the driving information is reflected by the transparent reflector and then enters the eyes of the rider.

[0008] As a preferred embodiment of the motorcycle HUD device, the display screen is connected with a car processor to display the vehicle information in real time.

[0009] As a preferred embodiment of the motorcycle HUD device, the screen of the display screen is a high-brightness TFT screen, and the light transmittance of the TFT screen is 6-15%, and the backlight brightness of the display screen is 600-1000 nit.

[0010] As a preferred embodiment of the motorcycle HUD device, the free reflector and the transparent reflector are both curved mirrors.

[0011] As a preferred embodiment of the motorcycle HUD device, the free reflector is prepared by a vacuum coating method, and the reflectivity of the free reflector is greater than 94%.

[0012] As a preferred embodiment of the motorcycle HUD device, the reflectivity of the transparent reflector is 4-10%.

[0013] As a preferred embodiment of the motorcycle HUD device, the material of the transparent reflector is tempered glass or transparent plastic.

[0014] As a preferred embodiment of the motorcycle HUD device, the distance between the eyes of the rider and the transparent reflector is 500-800 mm.

[0015] As a preferred embodiment of the motorcycle HUD device provided by the utility model, the display screen is fixed at the bottom of the shell through the first frame body, and the transparent reflector is fixed at the top of the end of the shell far from the rider through the cross seat.

[0016] As a preferred embodiment of the motorcycle HUD device provided by the utility model, the bottom of the shell is fixed with a stand, the stand is fixedly connected with an axle seat, the axle seat is rotationally connected with a back frame through a shaft rod, the free reflector is fixedly installed on the back frame, the both ends of the shaft rod extend out of the both sides of the axle seat and the extending parts are screw structures, and the screw structures are threadedly connected with lockers.

[0017] Compared with the prior art, the motorcycle HUD device provided by the utility model has the following beneficial effects: the shell is fixed on the top of the motorcycle head, the driving information in the display screen is reflected to the eyes of the rider through the free reflector and the transparent reflector, the rider sees a long-distance enlarged driving information virtual image in front of the rider, the rider does not need to look down to check the driving information, the driving safety is improved, the rider always looks forward during the riding process, the rider is not distracted, the rider's vision is not blocked, and the safety of the riding is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the scheme in the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to the drawings without paying creative labor.

[0019] Figure 1 The optical system three-dimensional schematic view of the motorcycle HUD device provided by the utility model;

[0020] Figure 2 The optical system plane schematic view of the motorcycle HUD device provided by the utility model;

[0021] Figure 3 The overall structure three-dimensional schematic view of the motorcycle HUD device provided by the utility model;

[0022] Figure 4 The partial structure three-dimensional schematic view of the motorcycle HUD device provided by the utility model;

[0023] Figure 5 The Figure 4 The enlarged schematic view of A in the figure;

[0024] Figure 6A point diagram of an optical system and a relation diagram of Eri patterns;

[0025] Figure 7 An MTF diagram of an optical system;

[0026] Figure 8 A diffraction circle energy diagram of an optical system;

[0027] Figure 9 A distortion diagram of an optical system;

[0028] Figure 10 A schematic diagram of the motorcycle HUD device provided by the utility model applied to a motorcycle.

[0029] The mark in the figure is explained as follows:

[0030] 1, display screen; 2, free reflecting mirror; 3, transparent reflecting mirror; 4, human eye; 5, virtual image; 6, shell; 7, first frame body; 8, stand; 9, shaft seat; 10, back frame; 11, shaft rod; 12, convex block; 13, locker. DETAILED DESCRIPTION

[0031] In order for the personnel in the technical field to better understand the utility model scheme, the technical scheme in the utility model embodiments will be clearly and completely described below in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the personnel in the field without making creative labor should belong to the protection scope of the utility model.

[0032] As described in the background, the existing motorcycle HUD is connected with the helmet BLE through the vehicle processor, so as to input the vehicle information of the motorcycle into the helmet, so that the motorcycle rider does not need to lower the head to check the instrument data. However, such motorcycle HUD is easy to affect the sight of the rider when displaying the vehicle information, has a safety hazard, and also distracts the rider, affecting the riding safety.

[0033] In order to solve the technical problem, the utility model provides a motorcycle HUD device, which is applied to the field of HUD device.

[0034] Specifically, please refer to Figures 1-5The motorcycle HUD device specifically comprises a shell 6 fixed on the upper end of the motorcycle head, a display screen 1, a free mirror 2 and a transparent mirror 3 are installed on the shell 6, the transparent mirror 3 is arranged on the upper portion of the shell 6, the display screen 1 and the free mirror 2 are installed inside the shell 6, the driving information of the display screen 1 enters the transparent mirror 3 after being reflected by the free mirror 2, and the virtual image 5 of the driving information in the display screen 1 is formed in front of the rider after being reflected by the transparent mirror 3.

[0035] The motorcycle HUD device provided by the utility model, the shell 6 is fixed on the upper end of the motorcycle head, the driving information in the display screen 1 reaches the eyes of the rider after being doubly reflected by the free mirror 2 and the transparent mirror 3, so that the rider sees a long-distance enlarged virtual image 5 of the driving information in front of the rider, the rider can not lower the head to check the driving information, the driving safety is improved, the rider can always look forward during the riding process, the rider is prevented from being distracted, the rider's vision is not blocked, and the safety of the riding is ensured.

[0036] In order for those skilled in the art to better understand the utility model scheme, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings.

[0037] It should be noted that the embodiments in the utility model and the features and technical schemes in the embodiments can be combined with each other without conflict.

[0038] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0039] Embodiment one

[0040] Please refer to Figures 1-5 、 Figure 10 As shown in the figure, a motorcycle HUD device is provided, which comprises a shell 6 fixed on the upper end of the motorcycle head, a display screen 1, a free mirror 2 and a transparent mirror 3 are installed on the shell 6, the transparent mirror 3 is arranged on the upper portion of the shell 6, and the side of the transparent mirror 3 facing the rider is inclined, the inclination angle is 60-90°, the display screen 1 and the free mirror 2 are installed inside the shell 6, the driving information of the display screen 1 enters the transparent mirror 3 after being reflected by the free mirror 2, and the virtual image 5 of the driving information in the display screen 1 is formed in front of the rider after being reflected by the transparent mirror 3, and the distance between the virtual image 5 and the eye 4 is 1.5 m.

[0041] Display screen 1 is connected to the vehicle's infotainment processor for real-time display of vehicle information. The original display screen 1, which displays vehicle information on the motorcycle, is repositioned. The vehicle's infotainment processor collects real-time data on the motorcycle's driving status and converts it into digital information displayed on display screen 1. Display screen 1 uses a high-brightness TFT screen with a light transmittance of 6-15%. The backlight brightness of display screen 1 is 600,000-1,000,000 nits, ensuring sufficient light emission for clear reflection. Display screen 1 is fixed to the bottom of the outer casing 6 via the first frame 7, and the transparent reflector 3 is fixed to the top of the outer casing 6 at the end furthest from the rider via a horizontal bracket.

[0042] Optical performance was evaluated according to the optical model described above.

[0043] Figure 6 The graph shows the relationship between the dot plot and the Airy disk plot. As can be seen from the graph, the dot plot is smaller than the Airy disk plot. The resolution of the optical system has reached the diffraction limit, the imaging has reached the ideal state, the resolution is high, and the quality of the optical system is qualified.

[0044] Figure 7 This is an MTF plot, where the X-axis represents spatial frequency (LP / mm) and the Y-axis represents the system's MTF value (contrast retention ratio). The curve in this MTF plot is relatively flat, indicating that the optical system has consistent transmission capability across different spatial frequencies and good high-frequency detail retention.

[0045] Figure 8 This is a diffraction ingress energy diagram, used to illustrate the impact of diffraction effects on image quality in an optical system. In the diagram, the Y-axis represents light intensity; the X-axis represents distance.

[0046] Figure 9 This is a distortion image with a distortion level of 3%.

[0047] After the Figures 6-9 Analysis shows that the optical performance indicators of the optical system in this embodiment can meet the requirements well.

[0048] Example 2

[0049] The motorcycle HUD device provided in Embodiment 1 has been further optimized, specifically, as follows: Figures 1-2As shown, the free mirror 2 and the transparent mirror 3 are both curved mirrors, the concave surface of the free mirror 2 faces the transparent mirror 3, and the concave surface of the transparent mirror 3 faces the position of the human eye 4 of the rider, so that the reflected light can be concentrated at the human eye 4 of the rider, and the light transmits through the transparent mirror 3 and is diverged at the back to form an enlarged virtual image 5 for the human eye 4 to watch. Specifically, the free mirror 2 is prepared by vacuum coating, and the vacuum coating preparation mirror is a prior art which will not be described here. The reflectivity of the free mirror 2 is greater than 94%, so that the light emitted by the display screen 1 can be reflected out of the free mirror 2 as much as possible, improving the clarity of the reflected picture.

[0050] The reflectivity of the transparent mirror 3 is 4-10%, which can reflect part of the light to the human eye 4, and the remaining light is transmitted to form a virtual image 5. The free mirror 2 can be made of glass or injection-molded engineering plastic. For safety reasons, the transparent free mirror is made of transparent plastic material or tempered glass. The distance between the human eye 4 of the rider and the transparent mirror 3 is 500-800mm, and preferably, in this example, the distance between the human eye 4 of the rider and the transparent mirror 3 is 70mm, so that the rider has a comfortable riding posture.

[0051] Embodiment three

[0052] The motorcycle HUD device provided in embodiment two is further optimized, and specifically, as shown in Figures 4-5 The bottom of the shell 6 is fixed with a stand 8, the stand 8 is fixedly connected with an axle seat 9, the axle seat 9 is rotatably connected with a back frame 10 through an axle 11, specifically, the back surface of the back frame 10 is provided with a protruding block 12, the protruding block 12 is fixedly connected with the axle 11, the both ends of the axle 11 are movably connected with the axle seat 9, the free mirror 2 is fixedly installed on the front surface of the back frame 10, the both ends of the axle 11 extend out of the both sides of the axle seat 9 and the extending parts are screw structures, the screw structures are screw-connected with a lock 13, the lock 13 rotates on the screw structures on the both sides of the axle 11 and abuts against the side surface of the axle seat 9, achieving the purpose of fixing the back frame 10, a friction plate can be added between the lock 13 and the axle seat 9, and the contact surfaces are all made into wave stripe structures, so as to improve the fixing stability. Of course, other structures of fixing structures can also be adopted, which can achieve the fixing of the axle 11 or the rotation adjustment of the back frame 10. The back frame 10 rotates around the axle seat 9 to adjust the inclination angle of the free mirror 2, so as to adjust the mirror light angle of the display screen 1, and then adjust the position of the virtual image 5 formed after being reflected by the transparent mirror 3 and the position of the human eye 4 after being focused, so as to adapt to riders of different heights and riders sitting at different positions of the vehicle body.

[0053] The working principle of the motorcycle HUD device provided by the utility model is as follows: Figure 10The display screen 1 is electrically connected with the car processor, the free mirror 2 is adjusted and fixed according to the position of the eyes 4 of the rider after sitting on the frame from the transparent mirror 3, after the motorcycle is started, the driving information is displayed on the display screen 1, and the driving information in the display screen 1 reaches the eyes of the rider through the double reflection of the free mirror 2 and the transparent mirror 3, so that the rider sees a long-distance enlarged driving information virtual image 5 in front of the rider, the rider does not need to look down to check the driving information, the driving safety is improved, the rider can always look forward during riding, the rider is not distracted, the riding line of sight is not blocked, and the riding safety is ensured.

[0054] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between two elements, unless otherwise clearly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0055] Obviously, the above-described embodiments are only part of the embodiments of the present application, not all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features. Any equivalent structure made by using the contents of the present application specification and drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A motorcycle HUD device comprising a housing, characterized in that, The shell is fixed on the upper end of the motorcycle head, the shell is provided with a display screen, a free mirror and a transparent mirror, the transparent mirror is arranged on the upper part of the shell, the display screen and the free mirror are arranged in the shell, the driving information of the display screen is reflected by the free mirror and then enters the transparent mirror, and the driving information is reflected by the transparent mirror and then enters the eyes of the rider, and the virtual image of the driving information in the display screen is formed in front of the rider.

2. A motorcycle HUD device according to claim 1, characterized in that, The display screen is connected with the vehicle processor and is used for displaying the vehicle information in real time.

3. The motorcycle HUD device of claim 1, wherein, The screen of the display screen is a high-brightness TFT screen, and the light transmittance of the TFT screen is 6-15%, and the backlight brightness of the display screen is 600-100 million nits.

4. The motorcycle HUD device of claim 1, wherein, The free mirror and the transparent mirror are both curved mirrors.

5. The motorcycle HUD device of claim 1, wherein, The free mirror is prepared by vacuum coating, and the reflectivity of the free mirror is greater than 94%.

6. The motorcycle HUD device of claim 1, wherein, The reflectivity of the transparent mirror is 4-10%.

7. The motorcycle HUD device of claim 1 or 6, wherein, The material of the transparent mirror is tempered glass or transparent plastic.

8. The motorcycle HUD device of claim 1, wherein, The distance between the eyes of the rider and the transparent mirror is 500-800mm.

9. The motorcycle HUD device of claim 1, wherein, The display screen is fixed on the bottom of the shell through the first frame body, and the transparent mirror is fixed on the top of the end of the shell away from the rider through the horizontal seat.

10. A motorcycle HUD device according to claim 9, characterized in that, The bottom of the shell is fixed with a stand, the stand is fixedly connected with an axle seat, the axle seat is rotatably connected with a back frame through an axle rod, the free mirror is fixedly arranged on the back frame, both ends of the axle rod extend out of both sides of the axle seat and the extending parts are screw structures, and a lock is threadedly connected on the screw structure.

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