Adjustable PGU imaging surface

Abstract

The utility model discloses an adjustable PGU imaging surface, and aims to solve the technical problems that the position of the existing adjustable PGU imaging surface is fixed, and the definition of the imaging surface is influenced to a certain extent due to objective existence of assembly and processing errors, so that the imaging effect of an HUD (Head Up Display) complete machine is influenced. The adjustable PGU imaging surface comprises a PGU main body, a reflector and a PGU image surface, the PGU image surface is of a two-layer structure, and the bottommost layer of the PGU image surface can be finely adjusted in the Z direction and the angle. According to the utility model, through adjusting the position of the PGU image plane and adjusting the projection object distance from the lens on the PGU main body to the PGU image plane, the projection object distance from the lens on the PGU main body to the PGU image plane can be ensured to accord with a tolerance value of an industrial standard, so that a PGU imaging picture can be ensured to achieve a clearest effect, the definition of the HUD whole machine imaging quality can be optimal, and the HUD whole machine imaging quality can be improved. According to the utility model, through adjusting the projection object distance from the lens on the PGU main body to the PGU image plane, the existing assembling and processing tolerance can be made up.

Description

Technical Field

[0001] The utility model belongs to the technical field related to HUD, and in particular relates to an adjustable PGU imaging surface. Background Art

[0002] PGU (picture generation unit) is one of the core components of HUD (head-up display). It is responsible for generating graphics and controlling brightness, while the PGU lens is part of the PGU, responsible for generating and projecting these images. The existing adjustable PGU imaging surface position is fixed. Due to the objective existence of assembly and processing errors, the clarity of the imaging surface will be affected to a certain extent, thereby affecting the imaging effect of the entire HUD. Utility Model Content

[0003] (1) Technical issues to be solved

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an adjustable PGU imaging surface, which is intended to solve the problem that the position of the existing adjustable PGU imaging surface is fixed, and due to objective assembly and processing errors, the clarity of the imaging surface will be affected to a certain extent, thereby affecting the imaging effect of the HUD machine.

[0005] (2) Technical solution

[0006] In order to solve the above technical problems, the utility model provides an adjustable PGU imaging surface, which includes a PGU body, a reflector and a PGU image surface. The PGU image surface is arranged as a two-layer structure, and the bottom layer of the PGU image surface can be fine-tuned in the Z direction and the angle. The projection object distance from the PGU body to the reflector is P1, and the projection object distance from the reflector to the PGU image surface is P2. Fine-tuning the Z direction and the angle of the bottom layer of the PGU image surface can change P2.

[0007] Preferably, the reflector is mounted on the optical cavity, and a through hole for light emitted from the PGU body to pass through is provided on a side of the optical cavity away from the reflector.

[0008] Furthermore, the PGU image plane is installed at the bottom of the optical cavity.

[0009] Beneficial Effects

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The utility model can adjust the projection object distance from the lens on the PGU main body to the PGU image plane by adjusting the position of the PGU image plane, thereby ensuring that the projection object distance from the lens on the PGU main body to the PGU image plane meets the tolerance value of the industry standard, thereby ensuring that the PGU imaging picture achieves the clearest effect, thereby optimizing the clarity of the HUD whole machine imaging quality. Therefore, the utility model can compensate for the existing assembly and processing tolerances by adjusting the projection object distance from the lens on the PGU main body to the PGU image plane. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 2 It is a front view structural schematic diagram of the prism of the utility model installed horizontally.

[0014] Figure 3 It is a schematic diagram of the projection object distance of the utility model.

[0015] Figure 4 The utility model Figure 3 A schematic diagram of the enlarged structure in the middle.

[0016] The markings in the attached drawings are: 1. PGU main body; 2. reflector; 3. PGU image plane; 4. optical cavity. DETAILED DESCRIPTION

[0017] This specific implementation is an adjustable PGU imaging surface, and its structural schematic diagram is as follows Figure 1-Figure 4 As shown, the adjustable PGU imaging surface includes a PGU body 1, a reflector 2 and a PGU image plane 3, the reflector 2 is installed on the optical cavity 4, and a through hole for the light emitted from the PGU body 1 to pass through is provided on the side of the optical cavity 4 away from the reflector 2, and the PGU image plane 3 is installed at the bottom of the optical cavity 4, the PGU image plane 3 is set to a two-layer structure, and the bottom layer of the PGU image plane 3 can be fine-tuned in the Z direction and angle, specifically: the bottom layer to the upper layer of the PGU image plane 3 represents an adjustable area, and the bottom layer PGU image plane of the PGU image plane 3 can be adjusted in this area, the projection object distance from the PGU body 1 to the reflector 2 is P1, P1 is fixed, the projection object distance from the reflector 2 to the PGU image plane 3 is P2, P2 is adjustable, and the fine-tuning of the bottom layer of the PGU image plane 3 in the Z direction and angle changes the position of the bottom layer PGU image plane of the PGU image plane 3, so P2 can be changed.

[0018] The projection generated by the lens of the PGU main body 1 is reflected onto the PGU image plane 3 through the reflector 2. Since the PGU image plane 3 is set as a two-layer structure, and the bottom layer of the PGU image plane 3 can be adjusted in the Z direction and angle, the projection object distance P2 between the reflector 2 and the PGU image plane 3 is adjusted, thereby changing the object distance P1+P2. That is, the utility model can adjust the projection object distance P2 from the lens on the PGU main body 1 to the PGU image plane 3 by adjusting the position of the bottom layer of the PGU image plane 3, thereby ensuring that the projection object distance from the lens on the PGU main body 1 to the PGU image plane 3 meets the tolerance value of the industry standard (for example, the tolerance is ±0.2mm), and further ensuring that the PGU imaging picture achieves the clearest effect, thereby optimizing the clarity of the imaging quality of the HUD as a whole. Therefore, the utility model can compensate for the existing assembly and processing tolerances by adjusting the projection object distance from the lens on the PGU main body 1 to the PGU image plane 3.

[0019] All technical features in this embodiment can be freely combined according to actual needs.

[0020] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. An adjustable PGU imaging surface, characterized in that: The adjustable PGU imaging surface comprises a PGU body (1), a reflector (2) and a PGU image surface (3); the PGU image surface (3) is arranged as a two-layer structure, and the bottom layer of the PGU image surface (3) can be finely adjusted in the Z direction and in terms of angle; the projection object distance from the PGU body (1) to the reflector (2) is P1, and the projection object distance from the reflector (2) to the PGU image surface (3) is P2; and the bottom layer of the PGU image surface (3) can change P2 by finely adjusting the Z direction and in terms of angle.

2. The adjustable PGU imaging surface according to claim 1, characterized in that: The reflector (2) is mounted on the optical cavity (4), and a through hole for light emitted by the PGU body (1) to pass through is provided on a side of the optical cavity (4) away from the reflector (2).

3. The adjustable PGU imaging surface according to claim 2, characterized in that: The PGU image plane (3) is installed at the bottom of the optical cavity (4).

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