Prompt information projection method, device and equipment for automobile

Abstract

The invention discloses a prompt information projection method, device and equipment for an automobile, and relates to the technical field of display. Determining a vehicle driving state according to the vehicle driving speed; determining projection content according to the vehicle driving state; and projecting the projection content on the rear windshield of the automobile for external display. According to the scheme, the reason that the front vehicle cannot move can be directly and visually transmitted to the rear vehicle in a projection mode, doubts and misunderstanding of a driver of the rear vehicle are eliminated, meaningless whistling caused by information asymmetry is remarkably reduced, and urban noise pollution is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of display technology, in particular to a prompt information projection method, device and equipment for a vehicle. BACKGROUND

[0002] On urban roads or congested road sections, vehicles often need to queue. The driver of the rear vehicle cannot observe the actual road conditions in front of the front vehicle (such as the front vehicle not moving, pedestrians crossing the road, traffic signal light status, accidents, and obstacles, etc.) due to the obstruction of the front vehicle. When the waiting time is slightly long, some drivers of the rear vehicle may become impatient and honk to urge the front vehicle, causing noise pollution and emotional tension of the driver of the front vehicle. Therefore, there is an urgent need for a technical solution that can transmit real-time and intuitive real road condition information faced by the front vehicle to the rear vehicle, so as to reduce the impatience of the driver of the rear vehicle and reduce the honking of the rear vehicle. SUMMARY

[0003] In view of the above, the present application aims to provide a prompt information projection method, device and equipment for a vehicle to solve the aforementioned technical problems.

[0004] The technical solutions adopted by the present application are as follows:

[0005] The present application provides a prompt information projection method for a vehicle, which comprises:

[0006] acquiring a vehicle speed;

[0007] determining a vehicle driving state according to the vehicle speed;

[0008] determining projection content according to the vehicle driving state;

[0009] projecting the projection content on the rear windshield of the vehicle for external display.

[0010] Optionally, determining the vehicle driving state comprises:

[0011] when the vehicle speed is continuously less than a preset speed or continuously 0 within a preset time period, determining that the vehicle is in a first driving state;

[0012] when the vehicle speed is continuously greater than or equal to the preset speed within the preset time period, determining that the vehicle is in a second driving state.

[0013] Optionally, determining the projection content according to the vehicle driving state comprises:

[0014] when the vehicle is in the first driving state and there is a vehicle behind, acquiring a road condition;

[0015] determining the projection content according to the road condition

[0016] Optionally, the road condition at least comprises:

[0017] a red light appears in front of the vehicle;

[0018] and / or,

[0019] a vehicle stops in front of the vehicle;

[0020] and / or,

[0021] a target crosses the road in front of the vehicle;

[0022] and / or,

[0023] an obstacle exists in front of the vehicle.

[0024] Optionally, the projection content is determined according to the vehicle driving environment state, comprising:

[0025] when a red light appears in front of the vehicle, the projection content is determined as a traffic light icon;

[0026] when a vehicle stops in front of the vehicle, the projection content is determined as a car icon;

[0027] when a target crosses the road in front of the vehicle, the projection content is determined as a pedestrian icon;

[0028] when an obstacle exists in front of the vehicle, the projection content is determined as an obstacle icon.

[0029] Optionally, the projection content is determined according to the vehicle driving environment state, further comprising:

[0030] text description, the text description and the icon are projected on the rear windshield of the vehicle at the same time.

[0031] Optionally, the prompt information projection method for the vehicle further comprises:

[0032] when the vehicle driving speed is greater than 0 and the vehicle is in a continuous acceleration state, the projection is ended.

[0033] The application further provides a prompt information projection device for a vehicle, comprising:

[0034] an acquisition module, configured to acquire a vehicle driving speed;

[0035] a processing module, configured to determine a vehicle driving state according to the vehicle driving speed, determine a projection content according to the vehicle driving state, and project the projection content on the rear windshield of the vehicle for external display.

[0036] The application further provides a computing device, comprising a processor and a memory storing a computer program, wherein the computer program is run by the processor to execute the method as described above.

[0037] The application further provides a computer readable storage medium, which stores instructions, when the instructions are executed on a computer, the computer executes the method as described above.

[0038] The above scheme of the application has at least the following beneficial effects:

[0039] The above scheme of the application, by acquiring a vehicle speed, determining a vehicle running state according to the vehicle speed, determining projection content according to the vehicle running state, and projecting the projection content on the rear windshield of the car for external display, can directly and intuitively transmit the reason why the front vehicle cannot move to the rear vehicle through projection, eliminate the doubts and misunderstandings of the driver of the rear vehicle, significantly reduce the unnecessary horn caused by information asymmetry, and reduce urban noise pollution. BRIEF DESCRIPTION OF DRAWINGS

[0040] To make the objectives, technical schemes and advantages of the application clearer, the application will be further described below with reference to the drawings, in which:

[0041] Figure 1 The flow chart of the method for projecting prompt information for a car provided by the embodiment of the application is shown.

[0042] Figure 2 The module schematic diagram of the device for projecting prompt information for a car provided by the embodiment of the application is shown. DETAILED DESCRIPTION

[0043] The embodiments of the application will be described in detail below, and the examples of the embodiments are shown in the drawings, in which the same or similar notations represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the application, and cannot be interpreted as a limitation of the application.

[0044] The application provides an embodiment of a method for projecting prompt information for a car, specifically as shown in Figure 1 which includes:

[0045] Step 11, acquiring a vehicle speed;

[0046] Step 12, determining a vehicle running state according to the vehicle speed;

[0047] Step 13, determining projection content according to the vehicle running state;

[0048] Step 14, projecting the projection content on the rear windshield of the car for external display.

[0049] In this embodiment, it can be manually selected whether to project the road information in front of the vehicle on the rear windshield. After selecting the projection on the windshield, the vehicle speed is continuously monitored, and when the vehicle speed is continuously low (less than the preset speed) or continuously 0 within a preset time period, it indicates that there may be a situation such as stopping or slow speed of the front vehicle, pedestrian or non-motor vehicle passing, waiting for a traffic light, or other obstacles in front of the vehicle.

[0050] According to the front camera of the vehicle, the road condition is obtained, and then the icon is projected on the rear windshield through the HUD technology (or embedded in the light modulation film and display bearing layer in the windshield). At the same time, the corresponding text is projected according to the situation to explain and pacify the driver of the rear vehicle, and reduce the horn prompting of the rear vehicle.

[0051] As shown in Table 1, the following table 1 shows examples of projected text, projected icons, and pacifying text under different road conditions:

[0052] Table 1:

[0053]

[0054] When it is detected that the speed of the front vehicle is greater than 0 and the speed is continuously increasing, the icon projection and the text projection are cancelled.

[0055] The projection method of the prompt information for the automobile of the embodiment realizes automatic triggering combined with the sensor, does not require additional operation of the driver of the front vehicle, can directly and intuitively transmit the reason why the front vehicle cannot move to the rear vehicle through the projection method, eliminates the doubts and misunderstandings of the driver of the rear vehicle, and after the driver of the rear vehicle understands the real situation, can significantly reduce the unnecessary horn caused by the information asymmetry, reduces the urban noise pollution, the driver of the front vehicle does not need to bear the unreasonable pressure from the rear vehicle, and the driver of the rear vehicle can also understand the waiting reason, and a more harmonious and less stressful driving environment is jointly created.

[0056] As shown in Figure 2 , the embodiment also provides a projection device 20 for the prompt information of the automobile, which comprises:

[0057] The acquisition module 21 is used to acquire the vehicle speed;

[0058] The processing module 22 is used to determine the vehicle driving state according to the vehicle speed, determine the projection content according to the vehicle driving state, and project the projection content on the rear windshield of the automobile for external display.

[0059] Optionally, the determination of the vehicle driving state comprises:

[0060] The determination of the vehicle driving state comprises:

[0061] determining the vehicle is in a first driving state when the vehicle driving speed is less than a preset speed or is 0 for a preset time period;

[0062] determining the vehicle is in a second driving state when the vehicle driving speed is greater than or equal to the preset speed for the preset time period.

[0063] Optionally, the projection content is determined according to the vehicle driving state, comprising:

[0064] acquiring a road condition when the vehicle is in the first driving state and a rear vehicle exists;

[0065] determining the projection content according to the road condition

[0066] Optionally, the road condition at least comprises:

[0067] a red light appears in front of the vehicle;

[0068] and / or,

[0069] a front vehicle stops;

[0070] and / or,

[0071] a target crosses the road in front of the vehicle;

[0072] and / or,

[0073] an obstacle exists in front of the vehicle.

[0074] Optionally, the projection content is determined according to the vehicle driving environment state, comprising:

[0075] determining the projection content as a traffic light icon when a red light appears in front of the vehicle;

[0076] determining the projection content as a car icon when a front vehicle stops;

[0077] determining the projection content as a pedestrian icon when a target crosses the road in front of the vehicle;

[0078] determining the projection content as an obstacle icon when an obstacle exists in front of the vehicle.

[0079] Optionally, the projection content is determined according to the vehicle driving environment state, further comprising:

[0080] text description, the text description and the icon are projected on the rear windshield of the vehicle at the same time.

[0081] Optionally, the projection method for the prompt information of the vehicle further comprises:

[0082] ending the projection when the vehicle driving speed is greater than 0 and the vehicle is in a continuous acceleration state.

[0083] It should be noted that this device is the same as the method described above. All implementations in the above method embodiments are applicable to the embodiments of this device and can achieve the same technical effect.

[0084] An embodiment of the present invention also provides a computing device, including: a processor and a memory storing a computer program, wherein the computer program, when executed by the processor, performs the method described in the above embodiments. All implementations in the above method embodiments are applicable to this embodiment and can achieve the same technical effect.

[0085] In this embodiment of the invention, a computer-readable storage medium is also provided, storing instructions that, when executed on a computer, cause the computer to perform the method described in the above embodiments. All implementations of the methods described in the above embodiments are applicable to this embodiment and can achieve the same technical effect.

[0086] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementations should not be considered beyond the scope of this invention.

[0087] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0088] In the embodiments provided by this invention, it should be understood that the disclosed apparatus and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between devices or units may be electrical, mechanical, or other forms.

[0089] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0090] In addition, each functional unit in various embodiments of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit.

[0091] If the functions are realized in the form of software functional units and sold or used as independent products, they can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the present application or the parts that essentially contribute to the prior art or the parts of the technical solutions can be embodied in the form of software products. The computer software product is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in various embodiments of the present application. The aforementioned storage medium includes a U disk, a mobile hard disk, a ROM, a RAM, a magnetic disk or an optical disk, and various program code storage media.

[0092] In addition, it should be noted that in the device and method of the present application, it is obvious that each component or each step can be decomposed and / or recombined. These decompositions and / or recombination should be considered as equivalent solutions of the present application. Moreover, the steps of performing the above series of processes can naturally be executed in time sequence according to the order of description, but do not necessarily have to be executed in time sequence. Some steps can be executed in parallel or independently of each other. It can be understood by those skilled in the art that all or any steps or components of the method and device of the present application can be realized in hardware, firmware, software or their combination in any computing device (including processors, storage media, etc.) or network of computing devices, which can be realized by those skilled in the art using their basic programming skills after reading the description of the present application.

[0093] Therefore, the object of the present application can also be realized by running a program or a set of programs on any computing device. The computing device can be a commonly known general-purpose device. Therefore, the object of the present application can also be realized only by providing a program product containing program code for realizing the method or device. That is, such a program product also constitutes the present application, and a storage medium storing such a program product also constitutes the present application. Obviously, the storage medium can be any commonly known storage medium or any storage medium developed in the future. It should be noted that in the device and method of the present application, it is obvious that each component or each step can be decomposed and / or recombined. These decompositions and / or recombination should be considered as equivalent solutions of the present application. Moreover, the steps of performing the above series of processes can naturally be executed in time sequence according to the order of description, but do not necessarily have to be executed in time sequence. Some steps can be executed in parallel or independently of each other.

[0094] The above describes the preferred embodiments of the present application. It should be noted that those skilled in the art can make several improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be considered within the protection scope of the present application.

Claims

1. A method for projecting a prompt message for a vehicle, characterized by, The method comprises: acquiring a vehicle running speed; determining a vehicle running state according to the vehicle running speed; determining projection content according to the vehicle running state; projecting the projection content on the rear windshield of the vehicle for external display.

2. The projection method of the prompt information for the automobile according to claim 1, characterized by, The determination of the vehicle running state according to the vehicle running speed comprises: when the vehicle running speed is less than a preset speed or is 0 for a preset time period, determining that the vehicle is in a first running state; when the vehicle running speed is greater than or equal to the preset speed for the preset time period, determining that the vehicle is in a second running state.

3. The method of projecting a prompt message for a vehicle according to claim 2, wherein The determination of the projection content according to the vehicle running state comprises: when the vehicle is in the first running state and there is a vehicle behind the vehicle, acquiring a road condition; determining the projection content according to the road condition.

4. The method of projecting a prompt message for a vehicle according to claim 3, wherein The road condition at least comprises: a red light appearing in front of the vehicle; and / or, a vehicle stopping in front of the vehicle; and / or, a target crossing the road in front of the vehicle; and / or, an obstacle existing in front of the vehicle.

5. The method of projecting a prompt message for a vehicle according to claim 4, wherein The determination of the projection content according to the vehicle running state comprises: when the red light appears in front of the vehicle, determining that the projection content is a red light icon; when the vehicle stops in front of the vehicle, determining that the projection content is a car icon; when the target crosses the road in front of the vehicle, determining that the projection content is a pedestrian icon; when the obstacle exists in front of the vehicle, determining that the projection content is an obstacle icon.

6. The method of projecting a prompt message for a vehicle according to claim 5, wherein The determination of the projection content according to the vehicle running state further comprises: textual description, which is projected on the rear windshield of the vehicle together with the icon.

7. The method of projecting a prompt message for a vehicle according to Claim 1, wherein The method further comprises: when the vehicle running speed is greater than 0 and the vehicle is in a continuous acceleration state, ending the projection.

8. A projection device for a vehicle, comprising: a display device; a light source; a light guide; a light source driver; a display driver; a light guide driver; and a controller. The method comprises: an acquisition module, configured to acquire a vehicle running speed; a processing module, configured to determine a vehicle running state according to the vehicle running speed; determine projection content according to the vehicle running state; and project the projection content on the rear windshield of the vehicle for external display.

9. A computing device, comprising: The method comprises: a processor and a memory storing a computer program, wherein the computer program is run by the processor to execute the method according to any one of claims 1 to 7.

10. A computer readable storage medium, characterized in that, instructions stored in a computer, wherein the instructions are run on the computer to make the computer execute the method according to any one of claims 1 to 7.

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