CN217484602U

CN217484602U - Head-up display imaging device with transversely arranged multiple lenses

Info

Publication number: CN217484602U
Application number: CN202123101954.6U
Authority: CN
Inventors: 侍强; 钟清志
Original assignee: Shenzhen Qianhai Zhiyungu Technology Co ltd
Current assignee: Shenzhen Qianhai Zhiyungu Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-09-23
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a new line of many lens arrangements shows image device, include two at least independent HUD optical system for driver's driving position of a sitting transversal arrangement, wherein, every HUD optical system includes independent reflection lens of an at least function and image generation unit, wherein, every reflection lens corresponds an independent image generation unit, perhaps multi-disc image generation unit of reflection lens sharing. The utility model discloses can produce the bigger image of angle of vision (HFOV) in windshield's the place ahead, can cover more lanes to carry out AR fusion display with the road in the wider field of vision in the middle of realizing using the scene, when the adjacent lane near the vehicle had the risk factor (for example the pedestrian crosses road etc. suddenly), can throw out earlier on AR HUD, the driver obtains the early warning earlier, and then promotes the security that the vehicle was driven.

Description

Head-up display imaging device with transversely arranged multiple lenses

Technical Field

The utility model relates to an automotive electronics spare part technical field, in particular to new line display image device that horizontal many lenses were arranged.

Background

The automobile head-up display technology is an important component of an intelligent cockpit of an intelligent networked automobile which is being vigorously developed at home and abroad at present, and through application and popularization of HUDs on high-end luxury brands such as BMW (horse-rush) automobiles in the earlier stage, more and more automobile factories and users recognize the importance of the head-up display technology of the automobile to safe driving, and more automobile factories assemble a head-up display system on own new automobiles to effectively configure the safety of the automobile.

There is an industry pain point problem at present in the car new line display trade, the consumer expects HUD's display screen more better promptly, and be restricted to the restriction of the geometric optics principle that present traditional HUD adopted, will obtain bigger display screen, must adopt bigger reflection lens in the middle of the design scheme, the volume of whole HUD product increases thereupon, however, the structure space under the motormeter platform is limited, bigger HUD complete machine volume and motormeter platform's panel beating bounding wall, the air conditioner defrosting air outlet that preceding windshield was used, installing support etc. produce easily and interfere and arrange not down.

In order to solve the problems, the design of a horizontal single-reflector lens is mostly adopted in the design of the HUD imaging system on the market at present, and the lens is designed in a maximum range allowed by the space under an instrument desk in a maximized mode.

If the lateral dimension of the reflector is further enlarged, the HUD volume brought by the reflector is easy to generate structural interference with the sheet metal coaming on the left or the air conditioner defrosting port on the right, so that the left and right expansion space of the single reflector is limited, and a larger lateral field angle (HFOV) is not easy to make.

To overcome the deficiencies of the prior art, there are designs on the market for longitudinal multi-mirror arrangements that allow for larger longitudinal field of view (VFOV) but still do not address the problem of transverse FOV enlargement.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a new line display imaging device with a plurality of horizontal mirror pieces, which aims to realize the interference problem of the structure under the instrument desk by using a plurality of horizontal mirror pieces under the condition of non-interference with the structure of the vehicle body, so as to solve the problem of the expansion of the horizontal field angle.

In order to achieve the above object, the present invention provides a head-up display imaging device with a plurality of horizontal lens arrays, which comprises at least two independent HUD optical systems arranged horizontally relative to the driving sitting posture of the driver, wherein each of the HUD optical systems comprises at least one independent reflection lens with independent function and an image generation unit, wherein each reflection lens corresponds to an independent image generation unit, or a plurality of reflection lenses share an image generation unit.

The utility model discloses further technical scheme is, the multi-disc an image generation unit of reflector plate sharing, a plurality of luminescence units, every are split into to the light emitting area of image generation unit luminescence unit corresponds an independence the reflector plate will the imaging beam that the image generation unit sent reflects on the windshield, the process in windshield's reflection assembles the portrait form the image on the windshield, constitute a simplest HUD optical imaging system.

The utility model discloses a further technical scheme is, the mirror piece with be provided with relay lens between the image generation unit.

The utility model discloses a further technical scheme is, the relay lens is the reflection of mirrors piece.

The utility model discloses a further technical scheme is, the relay lens includes one of concave surface mirror piece, convex surface mirror piece or plane mirror piece.

The utility model discloses a further technical scheme is, the relay lens is lens.

The utility model discloses a further technical scheme is, the relay lens includes in convex lens or the concave lens one kind.

The utility model discloses a further technical scheme is, the mirror plate includes one in concave surface mirror plate, convex surface mirror plate or the plane mirror plate.

The utility model discloses a further technical scheme is, HUD optical imaging system is three, place cockpit instrument desk below in the three HUD optical imaging system in, three HUD optical imaging system finally forms images in same observation eye position, the eye position is located same eye ellipsoid within range.

The utility model discloses further technical scheme is, among the three HUD optical imaging system, control the HUD picture that two HUD optical imaging systems transmitted and the HUD that the distance is less than the centre.

The utility model discloses horizontal many lenses are arranged's new line display image device's beneficial effect is: the utility model discloses an above technical scheme, independent more than two, the image that transverse arrangement's HUD optical system produced is transverse arrangement on windshield, just so can be in windshield's the place ahead, produce the bigger image of angle of vision (HFOV), can cover more lanes, thereby carry out AR fusion in the middle of the realization use scene with the road in the wider field of vision and show, when the adjacent lane near the vehicle has the risk factor (for example the pedestrian crosses road etc. suddenly), can throw out earlier on AR HUD, the driver obtains the early warning earlier, and then promotes vehicle driving's security.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic diagram of a preferred embodiment of a head-up display imaging device with a transverse multi-lens arrangement according to the present invention;

FIG. 2 is a schematic diagram of a concave mirror;

FIG. 3 is a schematic diagram of a convex mirror;

FIG. 4 is a schematic view of a flat mirror;

FIG. 5 is a schematic diagram of a PGU of a typical LDC + backlight;

fig. 6 is a schematic diagram of three HUD beams converging at the same eye position.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a new line of horizontal many lenses range shows imaging device, the utility model discloses the new line of horizontal many lenses range shows the AR HUD technical field that imaging device belongs to, optical display demand that AR HUD was realized to an optical system that adopts more at present, for the place ahead lane of more covers, need adopt the optical reflection mirror that horizontal size exceeds more than 150mm to reflect PGU formation of image light beam to windshield, in the middle of the actual case, a reflection lens does not have the segmentation nature, run into the structure and interfere and can not dodge, often can with the panel beating, the air conditioner defrosting hole, the air conditioner tuber pipe, CCD, the crossbeam produces the structure and interferes, it limits within 12 more to respond some horizontal HFOV.

The utility model discloses the technical scheme who adopts carries out transverse arrangement mainly with two above mirror pieces (this mirror piece includes the concave surface speculum, one kind in plane speculum or the convex surface mirror), will come from the formation of image light beam reflection to windshield of ray apparatus (PGU) of new line display (HUD), assemble in driver or copilot's eye ellipsoid position, thereby realize than the wideer field angle (FOV) of horizontal single mirror piece, and simultaneously, because the design of horizontal many mirror pieces, can carry out the components of a whole that can function independently design with HUD imaging system more than two more in a flexible way, thereby have more nimble structural arrangement, avoid interfering with the auto parts of driver's platform below, stronger suitability and practicality have.

Specifically, referring to fig. 1 to 6, the preferred embodiment of the head-up display imaging device with multiple horizontal lens arrays of the present invention includes at least two independent HUD optical systems transversely arranged relative to the driving sitting posture of the driver, wherein each of the HUD optical systems includes at least one reflection lens with independent function and an image generation unit, wherein each reflection lens corresponds to an independent image generation unit, or a plurality of reflection lenses share an image generation unit.

In this embodiment, the plurality of reflection mirrors with independent optical functions, which are distinguished from each other by their optical functions, may include a concave mirror, a plane mirror, and a convex mirror. The multiple pieces are two or more pieces, the independent means that the reflection function of each reflector is independent, each reflector corresponds to different imaging light beams, and the reflectors can be connected together or completely separated in a physical mode.

As shown in fig. 2, the concave reflector is a quadrangular lens with curvature, or a polygonal lens with more than four sides, and the concave surface is coated with a reflective film.

As shown in fig. 3, the convex reflector is a quadrilateral lens with curvature, or a polygonal lens with more than four sides, and the convex surface is coated with a reflective film.

As shown in fig. 4, the plane mirror is a plane quadrilateral mirror without curvature, and may also be a polygonal mirror with more than four sides, and one side facing the imaging light beam is coated with a reflective film layer.

The HUD image generation unit (PGU) may be an independent PGU corresponding to each of the reflection lenses, or a PGU shared by a plurality of reflection lenses, and when sharing the same PGU, the light emitting surface of the PGU may be divided, and each unit corresponds to an independent reflection lens.

The PGU includes a pattern generating unit capable of converting an electrical signal into an optical signal, and generally adopts an LCD + backlight, a DLP, a laser projection module, and an LCOS projection module, and a typical PGU having an LDC + backlight has a structure shown in fig. 5.

As an implementation scheme, in this embodiment, a plurality of the reflective mirrors share one image generating unit, a light emitting surface of the image generating unit is divided into a plurality of light emitting units, each light emitting unit corresponds to one independent reflective mirror, an imaging light beam emitted by the image generating unit is reflected onto a windshield, and is converged into a human image through reflection of the windshield, so as to form an image on the windshield, thereby forming a simplest HUD optical imaging system.

In this embodiment, a relay lens may be added between the PGU unit and the mirror plate, and the relay lens may be a mirror plate (including a concave mirror, a convex mirror, and a plane mirror), or may be a lens (a convex lens or a concave lens), so as to optimize the imaging effect of the HUD.

Preferably, as shown in fig. 6, in this embodiment, three HUD optical imaging systems are arranged in the lower portion of the cockpit instrument desk, and are transversely arranged relative to the normal driving sitting posture of the driver, so as to observe an image in the range of an eye ellipsoid of the driver, and the three HUD optical imaging systems finally image in the same observation eye position, where the eye position is located in the range of the same eye ellipsoid.

Referring to fig. 1 and fig. 6 again, in the three HUD optical imaging systems, the HUD frames and distances transmitted by the left and right HUD optical imaging systems are smaller than the HUD in the middle. Because big HUD in the middle can throw farther, is fit for showing AR image, and the little HUD of both sides can show close-range content, can replace motormeter to show automobile body parameter, back vision image, and such scheme has very strong practicality.

The utility model discloses horizontal many lenses are arranged's new line display image device's beneficial effect is: the utility model discloses an above technical scheme, independent more than two, the image that transverse arrangement's HUD optical system produced on windshield is transverse arrangement, just so can be in windshield's the place ahead, produce the image that angle of vision (HFOV) is bigger, can cover more lanes, thereby road in realizing using the scene in with the wideer field of vision carries out AR and fuses the demonstration, when the adjacent lane of vehicle near has danger factor (for example the pedestrian crosses road etc. suddenly), can throw out earlier on AR HUD, the driver obtains the early warning earlier, and then promote vehicle driving's security.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the conception of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A head-up display imaging device with a transverse multi-mirror arrangement is characterized by comprising at least two independent HUD optical systems which are transversely arranged relative to the driving sitting posture of a driver, wherein each HUD optical system comprises at least one reflection mirror with independent functions and an image generation unit, each reflection mirror corresponds to one independent image generation unit, or a plurality of reflection mirrors share one image generation unit.

2. The head-up display imaging device with multiple transverse mirror plates according to claim 1, wherein a plurality of the mirror plates share one image generating unit, a light emitting surface of the image generating unit is divided into a plurality of light emitting units, each light emitting unit corresponds to an independent mirror plate, an imaging light beam emitted by the image generating unit is reflected to a windshield, and is converged to a portrait through reflection of the windshield, and an image is formed on the windshield, so that a simplest HUD optical imaging system is formed.

3. The head-up display imaging apparatus of claim 1, wherein a relay lens is disposed between the mirror plate and the image generating unit.

4. The device of claim 3, wherein the relay lens is a mirror lens.

5. The head-up display imaging device of claim 4, wherein the relay lens comprises one of a concave mirror, a convex mirror, or a flat mirror.

6. The device of claim 4, wherein the relay optic is a lens.

7. The device of claim 6, wherein the relay optic comprises one of a convex or concave lens.

8. The head-up display imaging device of claim 1, wherein the mirror plate comprises one of a concave mirror plate, a convex mirror plate, or a flat mirror plate.

9. The head-up display imaging device with the transverse multi-lens arrangement according to claim 1, wherein the number of the HUD optical imaging systems is three, the three HUD optical imaging systems are arranged in the lower portion of the cockpit instrument desk, and the three HUD optical imaging systems are finally imaged at the same observation eye position, and the eye positions are located in the same eye ellipsoid range.

10. The heads-up display imaging apparatus of claim 9, wherein the three HUD optical imaging systems, the right and left HUD optical imaging systems transmit HUD frames and distances smaller than the HUD in the middle.