CN212341610U

CN212341610U - Head-up display and automobile

Info

Publication number: CN212341610U
Application number: CN202021335405.8U
Authority: CN
Inventors: 宁才祥; 卢俐俊; 李德明; 刘风雷
Original assignee: Zhejiang Crystal Optech Co Ltd
Current assignee: Zhejiang Crystal Optech Co Ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-01-12
Anticipated expiration: 2030-07-09

Abstract

The utility model provides a new line display and car, relates to new line display technical field, including the casing and set up on the casing and along the imaging component that the light path set gradually, one-level speculum and second grade speculum subassembly, the imaging component is used for showing the image information of car and throws image information to one-level speculum, is the setting of predetermineeing the contained angle between the mirror surface of one-level speculum and the imaging component, and one-level speculum receives image information and reflects to second grade speculum subassembly, through the emergent after second grade speculum subassembly enlargies. This new line display and car can reduce the assembly size chain to improve the assembly precision, and then ensure the quality of projection picture, promote driver's driving experience.

Description

Head-up display and automobile

Technical Field

The utility model relates to a new line display technical field particularly, relates to a new line display and car.

Background

Head-up displays (HUDs), also known as Head-up displays, are commonly used in the field of aviation, and originate from helmet displays for pilots and Head-up displays for flight cabins. The pilot can see the important information required by the pilot without lowering the head, the sight line is kept to be always level up, and the trouble that the pilot needs to lower the head to check the information and the discomfort caused by the continuous adjustment of the focal length of eyes are solved. Now get into the automotive filed more and more for important driving information such as display speed, navigation turn to, oil consumption can make the driver be absorbed in and drive, need not look at the panel board with the head down, has ensured safe driving well, has promoted driver's driving experience.

At present, on-vehicle HUD among the prior art is mostly split type structure, has increased the assembly size chain, has reduced the assembly precision to influence the quality of projection picture, and then influence driver's driving experience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new line display and car can reduce the assembly size chain to improve the assembly precision, and then ensure the quality of projection picture, promote driver's driving experience.

The embodiment of the utility model is realized like this:

an aspect of the embodiment of the utility model provides a new line display, including the casing and set up in just follow imaging element, one-level speculum and the second grade speculum subassembly that the light path set gradually on the casing, imaging element is used for showing the image information of car and will image information throws extremely the one-level speculum, the mirror surface of one-level speculum with be the setting of predetermineeing the contained angle between the imaging element, the one-level speculum is received image information and reflection extremely second grade speculum subassembly passes through second grade speculum subassembly is emergent after enlargiing. This new line display can reduce the assembly size chain to improve the assembly precision, and then ensure the quality of projection picture, promote driver's driving experience.

Optionally, in the preferred embodiment of the present invention, the casing includes a bottom plate and a side plate connected to the bottom plate, the side plate is connected in sequence along a side of the bottom plate to form a quadrilateral structure, a projection port is opened on the bottom plate, the imaging assembly and the first-level reflector are respectively located at two opposite sides of the projection port, and the imaging assembly projects the image information to the first-level reflector through the projection port.

Optionally, in the preferred embodiment of the present invention, the casing further includes a support frame and two light barriers respectively fixedly connected to the bottom plate, one side of the support frame is fixedly connected to the side plate, the other side of the support frame is fixedly connected to the first-level reflector, the first-level reflector is relatively disposed to the second-level reflector component, and the two light barriers are relatively disposed to the second-level reflector component, and the first-level reflector is located between the two light barriers.

Optionally, in the preferred embodiment of the present invention, the second-stage mirror assembly includes a fixing bracket, a second-stage mirror and a driving assembly, the fixing bracket is a U-shaped structure, the connecting plate of the U-shaped structure is fixedly connected to the bottom plate, the second-stage mirror is disposed in the U-shaped structure, and two side edges of the second-stage mirror are respectively disposed on two supporting plates of the U-shaped structure, the driving assembly is in transmission connection with the second-stage mirror for driving the second-stage mirror to rotate relative to the fixing bracket.

Optionally, in the preferred embodiment of the present invention, the two side edges of the secondary reflector respectively extend outward to form protrusions, the two supporting plates of the U-shaped structure are respectively provided with through holes, and the protrusions are disposed in the through holes, so that the secondary reflector is set on the fixing bracket.

Optionally, in a preferred embodiment of the present invention, the protrusion is formed with a recess, the support plate is formed with a channel, the channel communicates with the inside and the outside of the through hole, the recess moves along one side of the channel facing the through hole, so that the protrusion moves into the through hole, and the recess moves along one side of the channel facing the through hole, so that the protrusion moves out of the through hole.

Optionally, in a preferred embodiment of the present invention, the shape of the channel matches the shape of the recess.

Optionally, in a preferred embodiment of the present invention, the secondary reflector assembly further includes a light shielding shell, and the light shielding shell is sleeved on an outer edge of the secondary reflector.

Optionally, in the preferred embodiment of the present invention, the driving assembly includes a motor disposed on a supporting plate of the U-shaped structure, and a first transmission gear sleeved on an output shaft of the motor, a second transmission gear correspondingly disposed on the secondary reflecting mirror, and the first transmission gear and the second transmission gear are meshed with each other.

The embodiment of the utility model provides a further aspect provides a car, including foretell new line display. This new line display can reduce the assembly size chain to improve the assembly precision, and then ensure the quality of projection picture, promote driver's driving experience.

The utility model discloses beneficial effect includes:

this new line display includes the casing and sets up imaging components, one-level speculum and the second grade speculum subassembly that sets gradually on the casing and along the light path, and imaging components is used for showing the image information of car and throws image information to one-level speculum, is preset contained angle setting between the mirror surface of one-level speculum and the imaging components, and one-level speculum receives image information and reflects to second grade speculum subassembly, through the emergent after the second grade speculum subassembly enlargies. The working principle of the head-up display is as follows: when the system is powered on, the imaging assembly can display image information of the automobile and projects the image information to the mirror surface of the primary reflector, the mirror surface of the primary reflector receives the image information and reflects the image information to the mirror surface of the secondary reflector assembly, the image information is amplified through the mirror surface of the secondary reflector and is emitted to the front windshield of the automobile, and the front windshield of the automobile receives the image information and displays the image information, so that the image information can be finally identified by human eyes. Compare in the on-vehicle HUD that is split type structure among the prior art, the new line display that this embodiment provided can reduce the assembly size chain with imaging component, one-level speculum and second grade speculum subassembly respectively integrated to same casing on to improve the assembly precision, and then ensure the quality of projection picture, promote driver's driving experience.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a head-up display according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of a head-up display according to an embodiment of the present invention;

fig. 3 is a third schematic structural diagram of a head-up display according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a secondary mirror assembly in a head-up display according to an embodiment of the present invention;

fig. 5 is a second schematic structural diagram of a secondary mirror assembly in a head-up display according to an embodiment of the present invention;

fig. 6 is a partial cross-sectional view at a in fig. 5.

Icon: 100-head up display; 10-a housing; 11-a base plate; 111-a projection port; 12-side plates; 13-a support frame; 14-a light barrier; 20-an imaging assembly; 30-a primary mirror; a 40-secondary mirror assembly; 41-fixing a bracket; 411-connecting plate; 412-a support plate; 4121-a through hole; 4122-channel; 42-a secondary mirror; 421-projection; 4211-a depression; 43-a drive assembly; 431-a motor; 432-first drive gear; 433 — a second transmission gear; 44-light shielding shell.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1 to 3, the embodiment provides a head-up display 100, which includes a housing 10, and an imaging component 20, a primary reflector 30, and a secondary reflector component 40 disposed on the housing 10 and sequentially disposed along a light path, wherein the imaging component 20 is configured to display image information of an automobile and project the image information to the primary reflector 30, a preset included angle is formed between a mirror surface of the primary reflector 30 and the imaging component 20, and the primary reflector 30 receives the image information and reflects the image information to the secondary reflector component 40, and the image information is amplified by the secondary reflector component 40 and then exits. The head-up display 100 can reduce the assembly size chain, thereby improving the assembly precision, ensuring the quality of a projection picture and improving the driving experience of a driver.

It should be noted that, firstly, as shown in fig. 1 to fig. 3, the imaging assembly 20, the primary reflecting mirror 30 and the secondary reflecting mirror assembly 40 are respectively integrated on the same housing 10, and the imaging assembly 20, the primary reflecting mirror 30 and the secondary reflecting mirror assembly 40 are sequentially arranged along the optical path, wherein a preset included angle exists between the mirror surfaces of the imaging assembly 20 and the primary reflecting mirror 30. Compare in the on-vehicle HUD that is split type structure among the prior art, the new line display 100 that this embodiment provided integrates imaging component 20, one-level speculum 30 and second grade speculum subassembly 40 respectively to same casing 10 on, can reduce the assembly size chain to improve the assembly precision, and then ensure the quality of projection picture, promote driver's driving experience.

Second, the working principle of the head-up display 100 is as follows: when the system is powered on, the imaging assembly 20 can display image information of the automobile and project the image information to the mirror surface of the primary reflector 30, the mirror surface of the primary reflector 30 receives the image information and reflects the image information to the mirror surface of the secondary reflector assembly 40, the image information is amplified through the mirror surface of the secondary reflector 42 and is emitted to the front windshield of the automobile, and the front windshield of the automobile receives the image information and displays the image information, so that the image information can be finally identified by human eyes.

Third, the mirror surface of the primary mirror 30 and the mirror surface of the secondary mirror assembly 40 may be the same or different, and may be any one of a plane mirror, a spherical mirror, or an aspherical mirror, and for example, the mirror surface of the primary mirror 30 is a plane mirror and the mirror surface of the secondary mirror assembly 40 is a concave mirror. The image formed by the plane mirror is formed by reflecting light from an object through the plane mirror and then forming a reverse extension line of the reflected light, so that the plane mirror is an upright virtual image and an equal-size virtual image.

Of course, in other embodiments, the distance between the mirror surface of the primary mirror 30 and the mirror surface of the secondary mirror assembly 40 should be adjusted adaptively according to the imaging characteristics of different mirrors, and those skilled in the art should be able to make reasonable design and selection according to the actual situation, and is not limited herein.

As described above, the head-up display 100 includes the housing 10, and the imaging component 20, the primary reflector 30, and the secondary reflector component 40 that are disposed on the housing 10 and are sequentially disposed along the light path, where the imaging component 20 is configured to display image information of an automobile and project the image information to the primary reflector 30, a preset included angle is formed between the mirror surface of the primary reflector 30 and the imaging component 20, and the primary reflector 30 receives the image information and reflects the image information to the secondary reflector component 40, and the image information is amplified by the secondary reflector component 40 and then exits. The working principle of the head-up display 100 is as follows: when the system is powered on, the imaging assembly 20 can display image information of the automobile and project the image information to the mirror surface of the primary reflector 30, the mirror surface of the primary reflector 30 receives the image information and reflects the image information to the mirror surface of the secondary reflector assembly 40, the image information is amplified through the mirror surface of the secondary reflector 42 and is emitted to the front windshield of the automobile, and the front windshield of the automobile receives the image information and displays the image information, so that the image information can be finally identified by human eyes. Compare in the on-vehicle HUD that is split type structure among the prior art, the new line display 100 that this embodiment provided integrates imaging component 20, one-level speculum 30 and second grade speculum subassembly 40 respectively to same casing 10 on, can reduce the assembly size chain to improve the assembly precision, and then ensure the quality of projection picture, promote driver's driving experience.

As shown in fig. 1 to 3, in the present embodiment, the housing 10 includes a bottom plate 11 and a side plate 12 connected to the bottom plate 11, the side plate 12 is sequentially connected along a side of the bottom plate 11 to form a quadrilateral structure, a projection opening 111 is formed on the bottom plate 11, the imaging assembly 20 and the primary reflector 30 are respectively located at two opposite sides of the projection opening 111, and the imaging assembly 20 projects image information to the primary reflector 30 through the projection opening 111.

It should be noted that, since the projection opening 111 is opened on the base plate 11, the imaging assembly 20 and the primary reflecting mirror 30 are respectively located at two opposite sides of the projection opening 111, in other words, the imaging assembly 20 and the primary reflecting mirror 30 are respectively located below and above the base plate 11 (for ease of understanding, the orientation in the drawing is used for description), and the imaging assembly 20 can project the image information to the primary reflecting mirror 30 through the projection opening 111. In the present embodiment, the imaging assembly 20 is fixedly connected to the bottom plate 11 located at the edge of the projection opening 111, and the primary reflecting mirror 30 has a certain distance from the projection opening 111, which is determined by that the imaging assembly 20 can completely project image information onto the primary reflecting mirror 30, and those skilled in the art should be able to reasonably design and select the distance according to actual situations, and no specific limitation is made herein.

In addition, since the main improvement point of the present application is that the imaging assembly 20, the primary mirror 30 and the secondary mirror assembly 40 are respectively integrated into the same housing 10, the above-mentioned imaging assembly 20 can be reasonably selected and designed with reference to the imaging assembly 20 in the prior art, as long as the imaging assembly 20 can display the image information of the automobile and project the image information to the primary mirror 30 through the projection port 111, and the specific structure of the imaging assembly 20 will not be explained too much.

As shown in fig. 1 to 3, the primary reflector 30 and the secondary reflector assembly 40 are respectively located above the bottom plate 11 (for convenience of understanding, the orientation in the drawings is used for description), and the primary reflector 30 and the secondary reflector assembly 40 are disposed opposite to each other, in order to provide a supporting and fixing function for the primary reflector 30, in this embodiment, the housing 10 further includes a supporting frame 13 fixedly connected with the bottom plate 11, one side of the supporting frame 13 is fixedly connected with the side plate 12, and the other side of the supporting frame 13 is fixedly connected with the primary reflector 30, for example, the primary reflector 30 may be fixed on the supporting frame 13 by 3M glue. Meanwhile, in order to avoid the influence of the external environment on the light transmission between the primary reflector 30 and the mirror surface of the secondary reflector assembly 40, in this embodiment, the housing 10 further includes two light blocking plates 14 respectively fixedly connected to the bottom plate 11, the two light blocking plates 14 are oppositely disposed, the primary reflector 30 is located between the two light blocking plates 14, and similarly, the secondary reflector assembly 40 is also located between the two light blocking plates 14.

Referring to fig. 4 and fig. 5, in the present embodiment, the secondary mirror assembly 40 includes a fixing bracket 41, a secondary mirror 42 and a driving assembly 43, the fixing bracket 41 is a U-shaped structure, a connecting plate 411 of the U-shaped structure is fixedly connected to the bottom plate 11, the secondary mirror 42 is disposed in the U-shaped structure, two side edges of the secondary mirror 42 are respectively overlapped on two supporting plates 412 of the U-shaped structure, and the driving assembly 43 is in transmission connection with the secondary mirror 42 for driving the secondary mirror 42 to rotate relative to the fixing bracket 41. In the present embodiment, the secondary reflector assembly 40 further includes a light shielding shell 44, and the light shielding shell 44 is sleeved on the outer edge of the secondary reflector 42. Of course, in other embodiments, the secondary reflector 42 may be shielded from light in other manners.

It should be noted that, as shown in fig. 4 and 5, the U-shaped structure includes a connecting plate 411 and two supporting plates 412 disposed opposite to each other, and two ends of the connecting plate 411 are respectively connected to one ends of the two supporting plates 412 to form the fixing bracket 41 in the U-shaped structure. Wherein, the backup pad 412 of two relative settings, in this embodiment, be parallel to each other and set up, of course, in other embodiments, also can be the mutual symmetry that has certain contained angle and set up, only need guarantee that second grade speculum 42 can rotate relatively fixed bolster 41, and can not receive the influence of two backup pads 412, cause the unable relatively fixed bolster 41 rotation of second grade speculum 42, lead to projection picture can not carry out nimble adjustment according to actual demands such as motorist's physical dimension, driving habits, different position of sitting.

Referring to fig. 6, in the present embodiment, two side edges of the secondary reflector 42 respectively extend outward to form protrusions 421, through holes 4121 are respectively formed on the two support plates 412 of the U-shaped structure, and the protrusions 421 are disposed in the through holes 4121, so that the secondary reflector 42 is erected on the fixing bracket 41. In order to make the rotation of the secondary reflecting mirror 42 relative to the fixing bracket 41 smoother, the cross-sectional shapes of the protrusion 421 and the through hole 4121 are both circular.

Further, in order to restrict the assembly of the secondary mirror 42 with the fixing bracket 41, as shown in fig. 6, in the present embodiment, a recessed portion 4211 is formed on the protrusion 421, a passage 4122 is formed on the support plate 412, the passage 4122 communicates the inside and the outside of the through hole 4121, the recessed portion 4211 moves toward a side close to the through hole 4121 along the passage 4122 so that the protrusion 421 moves into the through hole 4121, and the recessed portion 4211 moves toward a side away from the through hole 4121 along the passage 4122 so that the protrusion 421 moves out of the through hole 4121, so as to prevent the secondary mirror 42 from being carelessly detached out of the fixing bracket 41 during the rotation. Wherein the shape of the channel 4122 should match the shape of the depression 4211. Illustratively, the channel 4122 is rectangular in shape.

Specifically, as shown in fig. 4, in this embodiment, the driving assembly 43 includes a motor 431 disposed on a supporting plate 412 of the U-shaped structure, and a first transmission gear 432 sleeved on an output shaft of the motor 431, a second transmission gear 433 is correspondingly disposed on the secondary reflecting mirror 42, and the first transmission gear 432 is engaged with the second transmission gear 433, so that the motor 431 can drive the first transmission gear 432 to rotate, and the first transmission gear 432 drives the second transmission gear 433 to rotate, thereby realizing the rotation of the secondary reflecting mirror 42 relative to the fixing bracket 41.

The application also provides an automobile. The automobile provided by the embodiment comprises the head-up display 100. Since the structure and the advantages of the head-up display 100 have been described in detail in the foregoing embodiments, no further description is provided herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a new line display, its characterized in that, including the casing and set up in imaging components, one-level speculum and second grade speculum subassembly that the light path set gradually on the casing and along, imaging components is used for showing the image information of car and will image information throws extremely one-level speculum, the mirror surface of one-level speculum with be the setting of predetermineeing the contained angle between the imaging components, one-level speculum is received image information and reflection extremely second grade speculum subassembly passes through emergent after the second grade speculum subassembly enlargies.

2. The head-up display of claim 1, wherein the housing comprises a bottom plate and side plates connected to the bottom plate, the side plates are sequentially connected along sides of the bottom plate to form a quadrilateral structure, the bottom plate is provided with a projection opening, the imaging assembly and the primary reflector are respectively located at two opposite sides of the projection opening, and the imaging assembly projects the image information to the primary reflector through the projection opening.

3. The head-up display according to claim 2, wherein the housing further comprises a support frame and two light barriers, the support frame is fixedly connected to the bottom plate, the support frame is fixedly connected to the side plate on one side, the support frame is fixedly connected to the primary reflector on the other side, the primary reflector is opposite to the secondary reflector, the two light barriers are opposite to each other, and the primary reflector is located between the two light barriers.

4. The head-up display according to claim 2, wherein the secondary mirror assembly comprises a fixing bracket, a secondary mirror and a driving assembly, the fixing bracket is a U-shaped structure, a connecting plate of the U-shaped structure is fixedly connected with the bottom plate, the secondary mirror is disposed in the U-shaped structure, two side edges of the secondary mirror are respectively overlapped on two supporting plates of the U-shaped structure, and the driving assembly is in transmission connection with the secondary mirror and is used for driving the secondary mirror to rotate relative to the fixing bracket.

5. The head-up display of claim 4, wherein two sides of the secondary reflector respectively extend outward to form protrusions, through holes are respectively formed on the two support plates of the U-shaped structure, and the protrusions are arranged in the through holes, so that the secondary reflector is erected on the fixing bracket.

6. The head-up display of claim 5, wherein the protrusion has a recess formed thereon, the support plate has a channel formed thereon, the channel communicates between an inside and an outside of the through hole, the recess moves along the channel toward a side close to the through hole to move the protrusion into the through hole, and the recess moves along the channel toward a side away from the through hole to move the protrusion out of the through hole.

7. The heads-up display of claim 6 wherein the channel has a shape that matches a shape of the recess.

8. The heads-up display of claim 4 wherein the secondary mirror assembly further comprises a light shield that is disposed around an outer edge of the secondary mirror.

9. The head-up display according to claim 4, wherein the driving assembly comprises a motor disposed on a supporting plate of the U-shaped structure, and a first transmission gear sleeved on an output shaft of the motor, and a second transmission gear is correspondingly disposed on the secondary reflector, and the first transmission gear and the second transmission gear are engaged with each other.

10. An automobile, characterized in that it comprises a head-up display according to any one of claims 1-9.