Film head-up logo projection lighting system, vehicle-mounted equipment and vehicle

By using the film head-up logo projection lighting system in the vehicle equipment, and combining film projection technology and ADAS system, the limitations of existing HUD technology in terms of cost, stability and assembly space requirements are solved, and dynamic logo image display and active safety warning functions are realized.

CN222850848UActive Publication Date: 2025-05-09MIND ELECTRONICS APPLIANCE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420803995.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-17
Publication Date
2025-05-09
Estimated Expiration
2034-04-17

AI Technical Summary

Technical Problem

The existing HUD technology has limitations in terms of cost, stability and assembly space requirements, making it difficult to meet the safety and intelligence needs of on-board applications.

Method used

The film head-up logo projection lighting system is adopted, which includes a light source, film, adjustment components and projection lens. The preset logo image is projected near the front hood of the vehicle through film projection technology, and the ADAS system is combined to achieve active safety warning.

Benefits of technology

It effectively reduces the system size and power consumption, simplifies structural design, reduces costs, and realizes the display of dynamic logo images and active safety warning functions.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222850848U_ABST
    Figure CN222850848U_ABST
Patent Text Reader

Abstract

The utility model provides a film head-up logo projection lighting system, a vehicle-mounted device and a vehicle, and relates to the technical field of automobile projection lamps, according to the film head-up logo projection lighting system, a projection module can be placed below a front windshield of the vehicle, imaging light output by the projection module is projected to the front windshield, and the projection module can be used for projecting the imaging light to the front windshield. A target logo image on a film is reflected into an eye ellipsoid range by using a front windshield, and a virtual image is formed in front of the front windshield after human eyes receive reflected light.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of automobile projection lamps, and more specifically to a film head-up logo projection lighting system, vehicle-mounted equipment and a vehicle. Background Art

[0002] As cars evolve into a human-centered "third living space", the interaction between cars and drivers is no longer limited to simple driving status interaction, but has gradually expanded to intelligent driving, consulting and entertainment, etc. Traditional instruments can no longer meet users' needs for safe, intelligent, and immersive experience. In this context, head-up display (full name: Head-Up Display, referred to as HUD) came into being. It projects driving status, navigation, assisted driving and other information directly in front of the driver and passengers. The driver can intuitively feel the driving status and other information without switching his or her sight, which greatly reduces the blind driving time and improves driving safety.

[0003] The HUD technology in the current market has developed into the third-generation product AR-HUD (full name: Augmented Reality-Head-Up Display), but its technological maturity as well as issues such as cost and assembly space requirements limit the actual application of head-up display in vehicles. Utility Model Content

[0004] In view of this, in order to solve the above problems, the utility model provides a film head-up logo projection lighting system, vehicle-mounted equipment and vehicle, and the technical solution is as follows:

[0005] A film head-up logo projection lighting system, the film head-up logo projection lighting system comprising: a projection module, the projection module comprising: a light source, a film, an adjustment component and a projection lens;

[0006] Wherein, a plurality of logo images are arranged on the film sheet, and the film sheet is located between the projection lens and the light source;

[0007] The light source is used to emit light and illuminate the logo image on the film;

[0008] The adjusting component is connected to the film sheet, and the adjusting component is used to drive the film sheet to rotate so that the light incident surface of the projection lens faces the target logo image, and the target logo image is any one of the multiple logo images;

[0009] The projection lens is used to project the target logo image onto a target object.

[0010] Preferably, in the above-mentioned film head-up logo projection lighting system, the light source includes:

[0011] A support plate, and at least one light emitting element located on the support plate.

[0012] Preferably, in the above-mentioned film head-up logo projection lighting system, the light source further comprises:

[0013] A lens assembly is located on the support plate, and the lens assembly is used to adjust the light angle of the light emitted by the light emitting element.

[0014] Preferably, in the above-mentioned film head-up logo projection lighting system, the lens assembly is a collimating lens, and the light emitting surface of the collimating lens is arranged corresponding to the light incident surface of the projection lens.

[0015] Preferably, in the above-mentioned film head-up logo projection lighting system, the film head-up logo projection lighting system further comprises:

[0016] A mounting bracket, on which the projection lens is mounted;

[0017] A fixing seat, through which the film is connected to the adjusting component.

[0018] Preferably, in the above-mentioned film head-up logo projection lighting system, the adjustment component is a rotary motor;

[0019] The film head-up logo projection lighting system also includes: a motor bracket;

[0020] The rotating motor is fixed on the motor bracket.

[0021] Preferably, in the above-mentioned film head-up logo projection lighting system, the film head-up logo projection lighting system further comprises:

[0022] A reflector, wherein the reflector is used to reflect the image light emitted by the projection lens so as to project the target logo image onto the target object.

[0023] Preferably, in the above-mentioned film head-up logo projection lighting system, the film head-up logo projection lighting system further comprises:

[0024] A packaging shell, in which all components in the film head-up logo projection lighting system are integrated and packaged.

[0025] The present application also provides a vehicle-mounted device, the vehicle-mounted device comprising the film head-up logo projection lighting system described in any one of the above items, wherein the projection module is located below the front windshield of the vehicle;

[0026] The film head-up logo projection lighting system is connected to the vehicle's ADAS system via a CAN bus.

[0027] The present application also provides a vehicle, the vehicle comprising the film head-up logo projection lighting system as described in any one of the above items;

[0028] Or, the vehicle includes the vehicle-mounted equipment described above.

[0029] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0030] The utility model provides a film head-up logo projection lighting system, which includes: a projection module, the projection module includes: a light source, a film, an adjustment component and a projection lens; wherein, a plurality of logo images are arranged on the film, the film is located between the projection lens and the light source; the light source is used to emit light and illuminate the logo image on the film; the adjustment component is connected to the film, and the adjustment component is used to drive the film to rotate so that the light incident surface of the projection lens faces the target logo image, and the target logo image is any one of the multiple logo images; the projection lens is used to project the target logo image onto the target object. The film head-up logo projection lighting system can effectively reduce the volume based on the film projection technology, making the overall structure of the product relatively simple, and can effectively reduce power consumption and cost, and has relatively low requirements on the accuracy and requirements of electrical components, and can realize dynamic logo images to make it full of technology, and can realize more functions such as active safety warning in combination with the vehicle's own ADAS system. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0032] Figure 1 A cross-sectional schematic diagram of a projection module in a film head-up logo projection lighting system provided by an embodiment of the utility model;

[0033] Figure 2 A schematic diagram of the projection imaging principle provided by an embodiment of the utility model;

[0034] Figure 3An exploded schematic diagram of a projection module in a film head-up logo projection lighting system provided by an embodiment of the utility model;

[0035] Figure 4 An exploded schematic diagram of a projection module in another film head-up logo projection lighting system provided by an embodiment of the utility model;

[0036] Figure 5 An exploded schematic diagram of a projection module in another film head-up logo projection lighting system provided by an embodiment of the utility model;

[0037] Figure 6 A schematic diagram of a vehicle model provided for an embodiment of the utility model. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] Based on the contents recorded in the background technology, the applicant discovered during the creation process of the present utility model that the third-generation HUD technology is difficult, costly and has low stability. The difficulty of head-up display technology is not only in optics, but there are many technical problems to be solved in software and hardware. Vehicle-mounted products require safety and stability, and space limitations and cost control continue to increase the difficulty of application.

[0040] Based on this, the utility model provides a film head-up logo projection lighting system, vehicle-mounted equipment and vehicle. The film head-up logo projection lighting system can realize the projection of the system preset logo image near the front hood of the vehicle, and realize the display of the dynamic standing logo image in combination with the whole vehicle environment; and the film head-up logo projection lighting system can also be combined with the vehicle's ADAS system based on the CAN bus to realize active safety warning. For example, warning through color changes and dynamic changes.

[0041] Compared with the third-generation HUD technology in the prior art, the film head-up logo projection lighting system provided by the utility model can effectively reduce the volume based on film projection technology, making the overall structure of the product relatively simple, effectively reducing power consumption and cost, and has relatively low requirements on the accuracy of electrical components. It can realize dynamic logo images to make it full of technological sense, and combined with the vehicle's own ADAS system, it can realize more functions such as active safety warning.

[0042] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0043] refer to Figure 1 , Figure 1 A cross-sectional schematic diagram of a projection module in a film head-up logo projection lighting system provided in an embodiment of the utility model. A film head-up logo projection lighting system provided in an embodiment of the utility model includes: a projection module 100, and the projection module 100 includes: a light source 11, a film 12, an adjustment component 13 and a projection lens 14.

[0044] A plurality of logo images are arranged on the film sheet 12 , and the film sheet 12 is located between the projection lens 14 and the light source 11 .

[0045] The light source 11 is used to emit light and illuminate the logo image on the film 12 .

[0046] The adjusting component 13 is connected to the film sheet 12, and is used to drive the film sheet 12 to rotate so that the light incident surface of the projection lens 14 faces the target logo image, and the target logo image is any one of the multiple logo images.

[0047] The projection lens 14 is used to project the target logo image onto a target object.

[0048] Specifically, in the embodiment of the present utility model, Figure 2 As shown, Figure 2 A schematic diagram of the projection imaging principle provided for an embodiment of the utility model, in which the projection module 100 can be placed below the front windshield of the vehicle, and the imaging light output by the projection module 100 is projected onto the front windshield. The front windshield is used to reflect the target logo image into the eye ellipsoid range, and after the human eye receives the reflected light, a virtual image will be formed in front of the front windshield.

[0049] Among them, the film 12 adopts a semi-transparent or light-blocking form to allow part of the light to illuminate the light-incident surface of the projection lens 14. A black and white logo image, a gradient logo image, a color logo image, etc. can be arranged on the film 12; the projection lens 14 can include multiple lenses, each lens plays a different role, but at least two lenses need to play an imaging role; the projection lens 14 processes the logo image content on the film 12 and projects it onto the target object, such as onto the front windshield, so that the user can see the virtual image outside the car.

[0050] The film head-up logo projection lighting system provided by the embodiment of the utility model can effectively reduce the volume based on film projection technology, make the overall structure of the product relatively simple, effectively reduce power consumption and cost, and has relatively low requirements on the accuracy of electrical components. It can realize dynamic logo images to make it full of technological sense, and combined with the vehicle's own ADAS system, it can realize more functions such as active safety warning.

[0051] Optionally, in another embodiment of the present invention, refer to Figure 3 , Figure 3 An exploded schematic diagram of a projection module in a film head-up logo projection lighting system provided by an embodiment of the utility model, wherein the film head-up logo projection lighting system further includes:

[0052] The packaging shell 15 , the components in the film head-up logo projection lighting system are all integrated and packaged in the packaging shell 15 .

[0053] Specifically, in this step, Figure 3 As shown, the encapsulation shell 15 can be composed of a lampshade 151 and a lamp housing 152. When the lampshade 151 and the lamp housing 152 are connected, a encapsulation shell 15 can be formed, which can improve the integration and structural stability of the film head-up logo projection lighting system.

[0054] Optionally, in another embodiment of the present invention, as Figure 1 As shown, the light source 11 includes: a support plate, and at least one light emitting element 16 located on the support plate.

[0055] Specifically, in the embodiment of the utility model, the light emitted by the light source 11 needs to be irradiated on the logo image on the film 12, so the display effect of the final projected image is inseparable from the performance of the light source 11. Based on this, in the embodiment of the utility model, by fixing at least one light-emitting element 16 on the support plate, the support plate can be fixedly connected to the packaging shell 15 to ensure that the position of the light-emitting element 16 will not be offset, and then the light path emitted by the light-emitting element 16 will not be offset, ensuring that enough light can be irradiated on the logo image on the film 12, thereby improving the display effect of the final projected image of the film head-up logo projection lighting system.

[0056] Exemplarily, the light-emitting element 16 includes but is not limited to an LED light-emitting element, and preferably a high-brightness LED light-emitting element is used. In the embodiment of the utility model, the number of the light-emitting elements 16 and the color of the light emitted are not limited. For example, a single light-emitting element or multiple light-emitting elements can be selectively selected in combination with the logo image on the film 12. Obviously, a light-emitting element that emits white light or a light-emitting element that emits colored light can also be selected.

[0057] Optionally, in another embodiment of the present invention, the light source 11 further includes:

[0058] The lens assembly 17 is located on the support plate, and the lens assembly 17 is used to adjust the angle of the light emitted by the light emitting element 16 .

[0059] Specifically, the lens assembly 17 exemplified in the embodiment of the utility model is a collimating lens, and the light-emitting surface of the collimating lens is arranged corresponding to the light-incident surface of the projection lens 14, wherein the lens assembly 17 mainly plays the role of focusing light. Taking the collimating lens as an example for explanation, the collimating lens is arranged corresponding to the light-emitting element 16, and the collimating lens includes a light-incident surface and a light-emitting surface. The light-incident surface is used to receive the light emitted by the light-emitting element 16, and focus the light into parallel light or light at a certain angle, so that the light converges, and then the light emitted through the light-emitting surface of the collimating lens can be more evenly irradiated on the logo image on the film 12, so as to improve the optical utilization rate, thereby improving the display effect of the final projection image of the film head-up logo projection lighting system.

[0060] Optionally, in another embodiment of the present invention, refer to Figure 4 , Figure 4 An exploded schematic diagram of a projection module in another film head-up logo projection lighting system provided for an embodiment of the utility model, the film head-up logo projection lighting system also includes: a mounting bracket 18, the projection lens 14 is mounted on the mounting bracket 18; a fixing seat 19, the film 12 is connected to the adjustment component 13 via the fixing seat 19.

[0061] Specifically, the exemplary adjustment component 13 in the embodiment of the utility model includes but is not limited to a rotating motor 20 , and the film head-up logo projection lighting system also includes: a motor bracket 21 ; the rotating motor 20 is fixed on the motor bracket 21 .

[0062] Among them, in the embodiment of the utility model, the projection lens 14 can be fixedly installed by the mounting bracket 18. The projection lens 14 is fixed to the mounting bracket 18 by means of a screw rotation assembly, and the focal length can be adjusted and / or aligned, for example, the light exit surface of the collimating lens is designed to correspond to the light entrance surface of the projection lens 14. Optionally, the mounting bracket 18 can also be fixedly connected to the packaging shell 15 to further improve the structural stability of the film head-up logo projection lighting system.

[0063] The rotating motor 20 is fixed on the motor bracket 21, and the motor bracket 21 is fixedly connected to the packaging shell 15. The exemplary motor bracket 21 can be fixed on the lamp housing 152 to ensure that the position of the rotating motor 20 will not change, so as to further improve the structural stability of the film head-up logo projection lighting system.

[0064] Exemplarily, the film 12 is connected to the rotary motor 20 via the fixing base 19 , and the rotary motor 20 can drive the film 12 to rotate via the fixing base 19 to achieve the switching of the logo image.

[0065] Optionally, in another embodiment of the present invention, refer to Figure 5 , Figure 5 An exploded schematic diagram of a projection module in another film head-up logo projection lighting system provided for an embodiment of the utility model, the film head-up logo projection lighting system also includes: a reflector 22, the reflector 22 is used to reflect the image light emitted by the projection lens 14, so that the target logo image is projected onto the target object.

[0066] Specifically, in the embodiment of the present utility model, the reflector 22 receives the image light projected by the projection lens 14 , reflects the image light, and irradiates the image light onto the front windshield through the transparent lampshade 151 .

[0067] Among them, the film 12 adopts a semi-transparent or light-blocking form to allow part of the light to illuminate the incident surface of the projection lens 14. A black and white logo image, a gradient logo image, a color logo image, etc. can be arranged on the film 12; the projection lens 14 can include multiple lenses, each lens plays a different role, but at least two lenses need to play an imaging role; the projection lens 14 processes the logo image content on the film 12 and projects it onto the reflector 22. The reflector 22 includes but is not limited to a free-form mirror. The free-form mirror magnifies the original image and adapts to the surface shape of the front windshield to complete optical distortion correction, and then irradiates the image onto the front windshield, so that the user can see the virtual image outside the car.

[0068] It should be noted that the film 12 provided in the embodiment of the utility model can be deeply customized according to the actual vehicle design, combined with the vehicle brand and culture, to conform to its special logo image, and the number of films 12 in the film head-up logo projection lighting system is not limited to one. Complex animation projection display can be achieved when there are multiple films 12.

[0069] Furthermore, a film head-up logo projection lighting system provided by an embodiment of the utility model may also include an electronic subsystem. The film head-up logo projection lighting system can be combined with the electronic subsystem to achieve linkage with the entire vehicle, including but not limited to active safety warning functions. The film head-up logo projection lighting system can also be controlled through the vehicle body CAN bus information to complete interactive display, improve safety, and increase the sense of technology.

[0070] Based on the above embodiments of the utility model, a vehicle-mounted device is further provided in another embodiment of the utility model. The vehicle-mounted device includes the film head-up logo projection lighting system described in the above embodiments, and the projection module is located below the front windshield of the vehicle.

[0071] The film head-up logo projection lighting system is connected to the vehicle's ADAS system via a CAN bus, and an electronic subsystem of the film head-up logo projection lighting system is exemplarily connected to the vehicle's ADAS system via a CAN bus.

[0072] Based on the above embodiments of the utility model, a vehicle is provided in another embodiment of the utility model. Figure 6 , Figure 6 A schematic diagram of a vehicle model provided for an embodiment of the utility model, the vehicle 200 includes the above-mentioned film head-up logo projection lighting system; or, the vehicle 200 includes the above-mentioned vehicle-mounted equipment.

[0073] It should be noted that the vehicle 200 includes but is not limited to electric vehicles, fuel vehicles, cars, trucks, motor vehicles, trains and other types of vehicles. Figure 6 Only the sedan model is used as an example for explanation.

[0074] The above is a detailed introduction to a film head-up logo projection lighting system, vehicle-mounted equipment and vehicle provided by the utility model. Specific examples are used in this article to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model; at the same time, for general technical personnel in this field, according to the idea of ​​the utility model, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

[0075] It should be noted that each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part description.

[0076] It should also be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device that includes a series of elements is inherent to the elements, or also includes elements inherent to these processes, methods, articles or devices. In the absence of further restrictions, the elements defined by the sentence "including a..." do not exclude the presence of other identical elements in the process, method, article or device that includes the elements.

[0077] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A film head-up logo projection lighting system, characterized in that: The film head-up logo projection lighting system comprises: a projection module, and the projection module comprises: a light source, a film, an adjustment component and a projection lens; Wherein, a plurality of logo images are arranged on the film sheet, and the film sheet is located between the projection lens and the light source; The light source is used to emit light and illuminate the logo image on the film; The adjusting component is connected to the film sheet, and the adjusting component is used to drive the film sheet to rotate so that the light incident surface of the projection lens faces the target logo image, and the target logo image is any one of the multiple logo images; The projection lens is used to project the target logo image onto a target object.

2. The film head-up logo projection lighting system according to claim 1, characterized in that: The light source comprises: A support plate, and at least one light emitting element located on the support plate.

3. The film head-up logo projection lighting system according to claim 2, characterized in that: The light source also includes: A lens assembly is located on the support plate, and the lens assembly is used to adjust the light angle of the light emitted by the light emitting element.

4. The film head-up logo projection lighting system according to claim 3, characterized in that: The lens assembly is a collimating lens, and the light emitting surface of the collimating lens is arranged corresponding to the light incident surface of the projection lens.

5. The film head-up logo projection lighting system according to claim 1, characterized in that: The film head-up logo projection lighting system also includes: A mounting bracket, on which the projection lens is mounted; A fixing seat, through which the film is connected to the adjusting component.

6. The film head-up logo projection lighting system according to claim 1, characterized in that: The regulating component is a rotating motor; The film head-up logo projection lighting system also includes: a motor bracket; The rotating motor is fixed on the motor bracket.

7. The film head-up logo projection lighting system according to claim 1, characterized in that: The film head-up logo projection lighting system also includes: A reflector, wherein the reflector is used to reflect the image light emitted by the projection lens so as to project the target logo image onto the target object.

8. The film head-up logo projection lighting system according to any one of claims 1 to 7, characterized in that: The film head-up logo projection lighting system also includes: A packaging shell, in which all components in the film head-up logo projection lighting system are integrated and packaged.

9. A vehicle-mounted device, characterized in that: The vehicle-mounted device comprises the film head-up logo projection lighting system according to any one of claims 1 to 8, wherein the projection module is located below the front windshield of the vehicle; The film head-up logo projection lighting system is connected to the vehicle's ADAS system via a CAN bus.

10. A vehicle, characterized in that: The vehicle comprises the film head-up logo projection lighting system according to any one of claims 1 to 8; Or, the vehicle includes the vehicle-mounted device according to claim 9.