CN219676378U - Head-up display device, head-up display optical system and vehicle - Google Patents
Head-up display device, head-up display optical system and vehicle Download PDFInfo
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- CN219676378U CN219676378U CN202320910567.7U CN202320910567U CN219676378U CN 219676378 U CN219676378 U CN 219676378U CN 202320910567 U CN202320910567 U CN 202320910567U CN 219676378 U CN219676378 U CN 219676378U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 19
- 238000003384 imaging method Methods 0.000 claims abstract description 15
- 238000010586 diagram Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
Abstract
The utility model relates to the technical field of head-up display, in particular to a head-up display device, a head-up display optical system and a vehicle. The head-up display device comprises a shell, and an image source, a plane mirror assembly and a curved mirror which are positioned in the shell; the top of the shell is provided with a light outlet; the curved mirror is close to the bottom of the shell, and the reflecting surface of the curved mirror faces the light outlet; the image source and the plane mirror component are close to the light outlet; the image light emitted by the image source can reach the curved mirror through the reflection of a plurality of plane mirrors in the plane mirror assembly, and is reflected to the light outlet through the curved mirror. Therefore, the optical path can be increased through the arrangement of the plurality of plane mirrors while the size of the head-up display device in the longitudinal space is effectively reduced, and the imaging performance of the head-up display device is further improved.
Description
Technical Field
The utility model relates to the technical field of head-up display, in particular to a head-up display device, a head-up display optical system and a vehicle.
Background
The Head Up Display (HUD) device is applied to an airplane at the earliest, important flight related information (such as oil pressure and the like) can be projected on glass positioned at the front end of a cockpit by utilizing the principle of optical reflection, the projected characters and images are adjusted on the distance with infinite focal length by setting the height of the glass to be approximately at the same height level with eyes of a pilot, so that when the pilot looks forward through the HUD, the pilot can easily fuse external scenes with information displayed by the HUD, the pilot does not need to look at the flight related information at a low Head in the flight driving process, the vision blind area period is avoided, and the driving safety is improved.
In recent years, with the development of vehicle intellectualization and networking, a head-up display device is increasingly applied to a vehicle. However, the existing head-up display device generally requires a large longitudinal space, so that it cannot be mounted on a vehicle having a small longitudinal space.
Disclosure of Invention
The utility model aims to solve the technical problem that the longitudinal space size of the head-up display device in the prior art is large.
In order to solve the technical problems, in one aspect, the utility model discloses a head-up display device, which comprises a shell, an image source, a plane mirror assembly and a curved mirror, wherein the image source, the plane mirror assembly and the curved mirror are positioned in the shell;
the top of the shell is provided with a light outlet;
the curved mirror is close to the bottom of the shell, and the reflecting surface of the curved mirror faces the light outlet;
the image source and the plane mirror component are close to the light outlet;
the image light emitted by the image source can reach the curved mirror through the reflection of a plurality of plane mirrors in the plane mirror assembly, and is reflected to the light outlet through the curved mirror.
In one possible embodiment, the image source is near the steering column of the steering wheel;
the plane mirror assembly is close to the engine cover of the vehicle, and a plurality of plane mirrors in the plane mirror assembly are arranged at intervals along a first direction; the first direction is the direction from the light outlet to the bottom of the shell.
In one possible embodiment, the image source is near the steering column of the steering wheel;
the plurality of plane mirrors in the plane mirror assembly are arranged at intervals along the second direction; the second direction is a direction from the top of the housing toward the side of the housing away from the steering column.
In one possible embodiment, the image source is near the hood of the vehicle;
the plane mirror assembly is close to a steering column of the steering wheel, and a plurality of plane mirrors in the plane mirror assembly are arranged at intervals along a third direction; the third direction is the direction from the light outlet to the bottom of the shell.
In one possible embodiment, the image source is near the hood of the vehicle;
the plurality of plane mirrors in the plane mirror assembly are arranged at intervals along the fourth direction; the fourth direction is a direction from the top of the case toward the side of the case away from the hood.
In one possible embodiment, the planar mirror assembly includes a first planar mirror and a second planar mirror;
a first preset distance exists between the first plane mirror and the top of the shell, and the reflecting surface of the first plane mirror faces the curved mirror;
the second plane mirror is at a second preset distance from the top of the shell, and the second preset distance is greater than the first preset distance.
In one possible embodiment, the planar mirror assembly includes a first planar mirror and a second planar mirror;
a first preset distance exists between the first plane mirror and the top of the shell; the reflecting surface of the first plane mirror faces to the bottom of the shell;
the second plane mirror is at a second preset distance from the top of the shell, and the second preset distance is greater than the first preset distance.
In another aspect, the utility model also discloses a head-up display optical system comprising the head-up display device and an imaging element.
In one possible embodiment, the image light reflected by the curved mirror is capable of being reflected by the imaging element to the eye box.
The utility model further discloses a vehicle comprising the head-up display optical system.
By adopting the technical scheme, the head-up display device provided by the utility model has the following beneficial effects:
the head-up display device comprises a shell, and an image source, a plane mirror assembly and a curved mirror which are positioned in the shell; the top of the shell is provided with a light outlet; the curved mirror is close to the bottom of the shell, and the reflecting surface of the curved mirror faces the light outlet; the image source and the plane mirror component are close to the light outlet; the image light emitted by the image source can reach the curved mirror through the reflection of a plurality of plane mirrors in the plane mirror assembly, and is reflected to the light outlet through the curved mirror. Under the condition, the size of the long-optical-path head-up display device in the longitudinal space can be effectively reduced, and the long-optical-path head-up display device has the characteristic of good imaging performance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a first head-up display device according to an embodiment of the present utility model;
fig. 2 is a schematic view of an installation environment of a head-up display device according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a second head-up display device according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a third head-up display device according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a fourth head-up display device according to an embodiment of the present utility model;
FIG. 6 is a schematic view of an installation environment of another head-up display device according to an embodiment of the present utility model;
fig. 7 is a schematic structural diagram of a fifth head-up display device according to an embodiment of the present utility model.
The following supplementary explanation is given to the accompanying drawings:
1-a housing; 11-a light outlet; 2-image source; a 3-plane mirror assembly; 31-a first plane mirror; 32-a second plane mirror; 4-curved mirrors; 5-steering column; 6-engine cover; 7-an imaging element; 8-eye box.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the utility model. In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may include one or more of the feature, either explicitly or implicitly. Moreover, the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a first head-up display device according to an embodiment of the utility model. The head-up display device comprises a shell 1, an image source 2, a plane mirror assembly 3 and a curved mirror 4, wherein the image source 2, the plane mirror assembly 3 and the curved mirror 4 are positioned in the shell 1; the top of the shell 1 is provided with a light outlet 11; the curved mirror 4 is close to the bottom of the shell 1, and the reflecting surface of the curved mirror 4 faces the light outlet 11; the image source 2 and the plane mirror assembly 3 are close to the light outlet 11; the image light emitted by the image source 2 can reach the curved mirror 4 through the reflection of a plurality of plane mirrors in the plane mirror assembly 3, and is reflected to the light outlet 11 through the curved mirror 4. Therefore, the size of the head-up display device in the longitudinal space can be effectively reduced, the optical path can be increased through the arrangement of the plurality of plane mirrors, and the imaging performance of the head-up display device is improved.
According to different spatial positions suitable for being placed in a scene where the head-up display device is applicable, the head-up display device provided by the utility model at least comprises the following two types of structures. The first type is suitable for an arrangement with a large space in front of the steering column 5 in a vehicle, wherein the image source 2 is close to the steering column 5 of the steering wheel of the vehicle; the second type is applicable to arrangements with a large space above the front wheels in the vehicle, where the image source 2 is close to the hood 6 of the vehicle.
The following describes a first type of head-up display device, i.e. a layout of the image source 2 near the steering column 5 of the steering wheel, which is suitable for a layout with a large space in front of the steering column 5 in a vehicle:
in one possible implementation, referring to fig. 2 and 3, for an arrangement suitable for a large space in front of the steering column in a vehicle, the image source 2 is close to the steering column 5 of the steering wheel; the plane mirror assembly 3 is close to the engine cover 6 of the vehicle, and a plurality of plane mirrors in the plane mirror assembly 3 are arranged at intervals along the first direction; the first direction is a direction from the light outlet 11 toward the bottom of the housing 1.
In a possible embodiment, referring to fig. 3, the plane mirror assembly 3 includes a first plane mirror 31 and a second plane mirror 32, a first preset distance exists between the first plane mirror 31 and the top of the housing 1, the reflecting surface of the first plane mirror 31 faces the curved mirror 4, a second preset distance exists between the second plane mirror 32 and the top of the housing 1, and the second preset distance is greater than the first preset distance.
It will be appreciated that the number of mirrors included in the actual mirror assembly 3 is not limited to 2, and a plurality of mirrors may be arranged according to the actual optical path requirement, so that the image light may be reflected between the plurality of mirrors to increase the optical path, and improve the imaging performance of the head-up display device.
As shown in fig. 3, the image light emitted from the image source 2 is reflected to the eye box 8 through the first plane mirror 31, the second plane mirror 32, the curved mirror 4 and the imaging element 7 in order, so that a human eye located in the eye box 8 can see a virtual image formed by the HUD. Alternatively, the imaging element 7 may be a windshield of a vehicle and the eye box 8 may refer to an area where the human eye moves.
In another possible implementation manner suitable for an arrangement mode with a large space in front of the steering column in the vehicle, referring to fig. 4, the image source 2 is close to the steering column 5 of the steering wheel, and the plurality of flat mirrors in the flat mirror assembly 3 are arranged at intervals along the second direction; the second direction is a direction from the top of the housing 1 toward the side of the housing 1 away from the steering column 5.
The above description is a description of the first type of head-up display device, and the head-up display device of the first type has the feature of small longitudinal space occupation, and is suitable for a small-sized vehicle with a large space in front of the in-vehicle steering column 5 and a tight space allocation.
The following will describe a second type of head-up display device, i.e. a layout in which the image source 2 is close to the hood 6, which is suitable for a layout in which the space above the front wheels is large:
in a possible implementation manner suitable for an arrangement manner with a large space above the front wheel in the vehicle, referring to fig. 5, the image source 2 is close to the hood 6 of the vehicle, the plane mirror assembly 3 is close to the steering column 5 of the steering wheel, and the plurality of plane mirrors in the plane mirror assembly 3 are arranged at intervals along the third direction; the third direction is a direction from the light outlet 11 toward the bottom of the housing 1.
It can be understood that when the plurality of flat mirrors in the flat mirror assembly 3 are arranged at intervals along the first direction and the third direction, the curved mirror is used to reflect the light path of the image light to the light outlet as the dividing line, and referring to fig. 3 and 5, specifically, an image source may be arranged on one side of the dividing line, and the flat mirror assembly may be arranged on the other side of the dividing line, so as to reduce the longitudinal space size. Specifically, the first direction is located at the left side of the dividing line (see fig. 3), the third direction is located at the right side of the dividing line (see fig. 5), and the reverse extension line where the first direction is located and the reverse extension line where the third direction is located are both inclined towards the dividing line and intersect.
In another possible implementation suitable for an arrangement with a large space above the front wheel in the vehicle, referring to fig. 6 and 7, the image source 2 is close to the hood 6 of the vehicle, and the plurality of flat mirrors in the flat mirror assembly 3 are spaced apart along the fourth direction; the fourth direction is a direction from the top of the casing 1 toward the side of the casing 1 away from the hood 6.
In a possible embodiment, please continue to refer to fig. 7, the plane mirror assembly 3 includes a first plane mirror 31 and a second plane mirror 32, where the first plane mirror 31 has a first preset distance from the top of the housing 1; the reflecting surface of the first plane mirror 31 faces the bottom of the housing 1, and a second preset distance exists between the second plane mirror 32 and the top of the housing 1, and the second preset distance is greater than the first preset distance. It can be understood that the number of the mirrors included in the actual mirror assembly 3 is not limited to 2, and a plurality of mirrors can be arranged according to the actual optical path requirement, so that the image light can be reflected between the plurality of mirrors to increase the optical path, and the imaging performance of the head-up display device is improved.
It can be understood that when the plurality of flat mirrors in the flat mirror assembly 3 are arranged at intervals along the second direction or the fourth direction, the curved mirror is used to reflect the light path of the image light to the light outlet as the dividing line, and referring to fig. 4 and 7, specifically, an image source and a flat mirror may be arranged on one side of the dividing line, and a flat mirror may be arranged on the other side of the dividing line, so as to reduce the longitudinal space dimension.
The head-up display device of the second type has the characteristic of small longitudinal occupied space, and is suitable for an arrangement mode with larger space above the front wheels in the vehicle.
The head-up display device provided by the utility model comprises a shell 1, an image source 2, a plane mirror assembly 3 and a curved mirror 4, wherein the image source 2, the plane mirror assembly 3 and the curved mirror 4 are positioned in the shell 1, the top of the shell 1 is provided with a light outlet 11, the curved mirror 4 is close to the bottom of the shell 1, and the reflecting surface of the curved mirror 4 faces the light outlet 11; the image source 2 and the flat mirror assembly 3 are close to the light exit 11. The image light emitted by the image source 2 can reach the curved mirror 4 through the reflection of a plurality of plane mirrors in the plane mirror assembly 3 and can be reflected to the light outlet 11 through the curved mirror 4, so that the size of the head-up display device in the longitudinal space can be effectively reduced, the optical path can be increased through the arrangement of the plane mirrors, and the imaging performance of the head-up display device is improved. In particular, the image source 2 can be arranged at different positions (such as near the steering column 5 or the engine cover 6) to adapt to different types of vehicle space layout so as to meet the actual requirements.
The utility model also discloses in another aspect a head-up display optical system comprising a head-up display device as described above and an imaging element 7.
In one possible embodiment, referring to fig. 3, the reflected image light of the curved mirror 4 can be reflected to the eye box 8 via the imaging element 7.
In another aspect, referring to fig. 2, the present utility model further discloses a vehicle, which includes the above head-up display optical system.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The head-up display device is characterized by comprising a shell (1), an image source (2), a plane mirror assembly (3) and a curved mirror (4), wherein the image source (2), the plane mirror assembly (3) and the curved mirror (4) are positioned in the shell (1);
the top of the shell (1) is provided with a light outlet (11);
the curved mirror (4) is close to the bottom of the shell (1), and the reflecting surface of the curved mirror (4) faces the light outlet (11);
the image source (2) and the plane mirror assembly (3) are close to the light outlet (11);
the image light emitted by the image source (2) can reach the curved mirror (4) through reflection of a plurality of plane mirrors in the plane mirror assembly (3), and is reflected to the light outlet (11) through the curved mirror (4).
2. Head-up display device according to claim 1, characterized in that the image source (2) is close to the steering column (5) of the steering wheel;
the plane mirror assembly (3) is close to an engine cover (6) of the vehicle, and a plurality of plane mirrors in the plane mirror assembly (3) are arranged at intervals along a first direction; the first direction is a direction from the light outlet (11) towards the bottom of the shell (1).
3. Head-up display device according to claim 1, characterized in that the image source (2) is close to the steering column (5) of the steering wheel;
the plane mirrors in the plane mirror assembly (3) are arranged at intervals along the second direction; the second direction is a direction from the top of the housing (1) toward the side of the housing (1) away from the steering column (5).
4. The head-up display device according to claim 1, wherein the image source (2) is close to a hood (6) of the vehicle;
the plane mirror assembly (3) is close to a steering column (5) of the steering wheel, and a plurality of plane mirrors in the plane mirror assembly (3) are arranged at intervals along a third direction; the third direction is a direction from the light outlet (11) towards the bottom of the shell (1).
5. The head-up display device according to claim 1, wherein the image source (2) is close to a hood (6) of the vehicle;
the plurality of plane mirrors in the plane mirror assembly (3) are arranged at intervals along the fourth direction; the fourth direction is a direction from the top of the housing (1) toward the side of the housing (1) away from the hood (6).
6. Head-up display device according to claim 2, characterized in that the flat mirror assembly (3) comprises a first flat mirror (31) and a second flat mirror (32);
a first preset distance exists between the first plane mirror (31) and the top of the shell (1), and the reflecting surface of the first plane mirror (31) faces the curved mirror (4);
the second plane mirror (32) has a second preset distance from the top of the shell (1), and the second preset distance is larger than the first preset distance.
7. The head-up display device according to claim 5, wherein the planar mirror assembly (3) comprises a first planar mirror (31) and a second planar mirror (32);
a first preset distance exists between the first plane mirror (31) and the top of the shell (1); the reflecting surface of the first plane mirror (31) faces the bottom of the shell (1);
the second plane mirror (32) has a second preset distance from the top of the shell (1), and the second preset distance is larger than the first preset distance.
8. Head-up display optical system, characterized by comprising a head-up display device according to any of claims 1-7 and an imaging element (7).
9. The heads-up display optical system according to claim 8, wherein image light reflected by the curved mirror (4) can be reflected to an eye box (8) via the imaging element (7).
10. A vehicle comprising the heads-up display optical system of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320910567.7U CN219676378U (en) | 2023-04-17 | 2023-04-17 | Head-up display device, head-up display optical system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320910567.7U CN219676378U (en) | 2023-04-17 | 2023-04-17 | Head-up display device, head-up display optical system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219676378U true CN219676378U (en) | 2023-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320910567.7U Active CN219676378U (en) | 2023-04-17 | 2023-04-17 | Head-up display device, head-up display optical system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219676378U (en) |
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2023
- 2023-04-17 CN CN202320910567.7U patent/CN219676378U/en active Active
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