PGU module

Abstract

The utility model relates to the technical field of HUD systems, and discloses a PGU module. Wherein the PGU module comprises a seat body lamp panel, a first lens group, a bracket, a third lens and a display screen, one of two adjacent surfaces of a seat body is provided with a light inlet, the other one is provided with a mounting opening, and one surface, opposite to the light inlet and the mounting opening, of the seat body is set as a reflecting inclined surface; the lamp panel and the first lens group are both connected with the base body, and the first lens group is arranged between the light inlet and the lamp panel; the bracket is connected with the seat body, and the bracket is provided with a light outlet communicated with the mounting port; the third lens is arranged between the reflection slope and the display screen, and the display screen blocks the light outlet. The PGU module gives consideration to optical path and brightness uniformity, and is more reasonable in structural layout and smaller in size.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of HUD system especially, and it is a kind of PGU module. BACKGROUND

[0002] HUD is the abbreviation of Head-up Display, it is a kind of head-up display equipment.PGU (Projection Gateway Unit) module is the most core module in HUD system, is responsible for the generation of image and brightness, directly influences imaging quality, hardware volume, power consumption and other core performance.

[0003] In prior art, the optical path of PGU module is short, and the brightness uniformity is low;To increase optical path and improve brightness uniformity will result in the volume of HUD system becomes larger, weight and cost are all increased.

[0004] Therefore, a kind of PGU module is needed to solve the above problems. UTILITY MODEL CONTENT

[0005] Based on the above, the purpose of the utility model is to provide a kind of PGU module, give consideration to optical path and brightness uniformity, while structure layout is more reasonable, and volume is more small and exquisite.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] PGU module, comprising:

[0008] seat, one of the adjacent two faces of the seat is provided with light inlet, and the other is provided with mounting port, the side of the seat opposite to the light inlet and the mounting port is provided with reflection inclined plane;

[0009] lamp plate and first lens group, are connected with the seat, the first lens group is set between the light inlet and the lamp plate;

[0010] support, connected with the seat, the support is provided with light outlet that communicates with the mounting port;

[0011] third lens and display screen, the third lens is set between the reflection inclined plane and the display screen, and the display screen blocks the light outlet.

[0012] As a preferred scheme of PGU module, the PGU module is further provided with upper cover, the upper cover is provided with light transmission hole corresponding to the light outlet, and the upper cover is arranged on the side of the display screen away from the light outlet.

[0013] As a preferred scheme of the PGU module, the PGU module is further provided with a light uniformizing film, the support is provided with a mounting groove, the mounting port penetrates through the groove bottom of the mounting groove, the light uniformizing film is arranged on the groove bottom of the mounting groove, the display screen abuts against one side of the light uniformizing film away from the groove bottom of the mounting groove, and the upper cover is clamped with the support and abuts against one side of the display screen away from the light uniformizing film.

[0014] As a preferred scheme of the PGU module, the upper cover is provided with a spring buckle, and the spring buckle can elastically abut against the frame of the display screen in the direction towards the support.

[0015] As a preferred scheme of the PGU module, the first lens group comprises a first lens and a second lens, the first lens is arranged between the second lens and the lamp plate, the side of the first lens close to the second lens is provided with a first abutting part capable of abutting against the second lens, and the side of the first lens close to the lamp plate is provided with a second abutting part capable of abutting against the lamp plate.

[0016] As a preferred scheme of the PGU module, the seat body is provided with a first U-shaped side wall arranged around the light inlet port in the circumferential direction, the support is oppositely provided with a second U-shaped side wall, the first U-shaped side wall and the second U-shaped side wall can surround a mounting space, and the lamp plate and the first lens group are arranged in the mounting space.

[0017] As a preferred scheme of the PGU module, the seat body is provided with a guide rib, the second lens is provided with a guide groove, the guide rib can be arranged in the guide groove, the first lens is provided with a buckle, the buckle can be clamped with the seat body, and the lamp plate is connected with the seat body through a connecting piece.

[0018] As a preferred scheme of the PGU module, the seat body is provided with a positioning protrusion, the third lens is provided with a positioning edge, the positioning edge is provided with a positioning gap, the support is provided with a positioning rib, the positioning protrusion can be arranged in the positioning gap, and the positioning rib can abut against the positioning edge.

[0019] As a preferred scheme of the PGU module, the two sides of the seat body are provided with first mounting ears, the two sides of the support are provided with second mounting ears, and the first mounting ears can be connected with the second mounting ears through a connecting piece.

[0020] As a preferred scheme of the PGU module, the reflecting inclined surface is provided with a plane mirror, the plane mirror is bonded to the reflecting inclined surface, or the reflecting inclined surface is coated with a reflecting film.

[0021] The PGU module has the advantages that:

[0022] The utility model discloses a light inlet is arranged in one of the adjacent two sides of seat body, and the other sets up the mounting port, and the support with the light outlet is set up in the mounting port, and the reflection inclined plane is set up in the opposite side of seat body and the two sides, the light of the lamp panel that sets up in the light inlet is reflected by the reflection inclined plane and then is shown on the display screen of the light outlet, is used to show the preset image, effectively prolongs the optical path on the basis of the existing volume. In addition, the first lens group is arranged between the lamp panel and the reflection inclined plane, and the third lens is arranged between the reflection surface, is used to handle the light, can improve the imaging quality. In summary, the PGU module gives consideration to the optical path and the brightness uniformity, and the structure layout is more reasonable, and the volume is more compact. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed in the embodiment of the utility model will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the content of the embodiment of the utility model and these drawings for the ordinary skilled in the art without the premise of creating the creative labor.

[0024] Figure 1 It is the explosion schematic view of the PGU module provided by the embodiment of the utility model.

[0025] In the drawing:

[0026] 100, seat body, 101, light inlet, 102, mounting port, 110, reflection inclined plane, 111, mounting protrusion, 120, support table, 130, first U-shaped side wall, 131, clamping buckle, 140, guide rib, 150, positioning protrusion, 160, first mounting ear, 170, positioning table, 180, positioning groove,

[0027] 200, lamp panel, 210, positioning hole, 220, interface,

[0028] 300, first lens group, 310, first lens, 311, second abutting member, 312, buckle, 313, positioning column, 320, second lens, 321, guide groove,

[0029] 400, support, 401, light outlet, 410, second U-shaped side wall, 411, clamping hole, 412, avoiding gap, 430, second mounting ear, 440, mounting groove, 441, positioning structure, 450, guide convex rib,

[0030] 500, third lens, 510, positioning edge, 511, positioning gap,

[0031] 600, display screen,

[0032] 700, upper cover; 701, light transmission hole; 710, elastic buckle; 720, guide flange;

[0033] 800, light uniformity film;

[0034] 900, plane mirror. DETAILED DESCRIPTION

[0035] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0036] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0037] Unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" should be understood broadly, for example, it can be fixed connection, or detachable connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "above", "upper" and "upper surface" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0039] The technical scheme of the utility model is further illustrated below in combination with the drawings and through specific embodiments.

[0040] As Figure 1 The PGU module can be applied to a HUD system, and the PGU module comprises a seat body 100, a lamp plate 200, a first lens group 300, a support 400, a third lens 500 and a display screen 600, one of the two adjacent surfaces of the seat body 100 is provided with a light inlet 101, and the other is provided with a mounting opening 102, the surface of the seat body 100 opposite to the light inlet 101 and the mounting opening 102 is provided as a reflection inclined surface 110; the lamp plate 200 and the first lens group 300 are connected with the seat body 100, and the first lens group 300 is arranged between the light inlet 101 and the lamp plate 200; the support 400 is connected with the seat body 100, and the support 400 is provided with a light outlet 401 which is in communication with the mounting opening 102; the third lens 500 is arranged between the reflection inclined surface 110 and the display screen 600, and the display screen 600 blocks the light outlet 401.

[0041] By arranging the light inlet 101 on one of the two adjacent surfaces of the seat body 100 and the mounting opening 102 on the other, and arranging the support 400 with the light outlet 401 at the mounting opening 102, and arranging the reflection inclined surface 110 on the surface of the seat body 100 opposite to the two surfaces, the light emitted by the lamp plate 200 arranged at the light inlet 101 is reflected by the reflection inclined surface 110 and then emitted by the display screen 600 at the light outlet 401 for displaying a preset image, thereby effectively prolonging the optical path on the basis of the existing volume. In addition, the first lens group 300 is arranged between the lamp plate 200 and the reflection inclined surface 110, and the third lens 500 is arranged between the reflection surfaces, for processing light, thereby improving the imaging quality. In summary, the PGU module takes into account the optical path and the uniformity of brightness, and the structural layout is more reasonable and the volume is more compact.

[0042] It is worth noting that the outer side of the reflection inclined surface 110 is part of the seat body 100, so that the seat body 100 as a whole is in the shape of a triangular prism, and the arrangement of the reflection inclined surface 110 reduces the structure of the PGU module as a whole, avoids a larger space, and makes the arrangement of the PGU module more flexible. Optionally, the included angle between the reflection inclined surface 110 and the two sides provided with the light inlet 101 and the mounting opening 102 is 45°. Preferably, the outer side of the reflection inclined surface 110 is provided with a reinforcing rib to improve the structural strength of the seat body 100, especially the reflection inclined surface 110.

[0043] Specifically, for reflecting light rays, a plane mirror 900 can be arranged on the reflecting slope 110, the reflecting effect of the plane mirror 900 is higher, which is conducive to improving the clarity of imaging. Optionally, a plurality of mounting protrusions 111 are arranged on the circumference of the reflecting slope 110, and the plane mirror 900 is arranged between the plurality of mounting protrusions 111, and the mounting protrusions 111 provide positioning for the mounting of the plane mirror 900. Further, the plane mirror 900 can be bonded to the reflecting slope 110. In other embodiments, a reflective film can also be coated on the reflecting slope 110 for reflecting light rays, and the arrangement of the reflective film is conducive to simplifying the structure of the seat body 100.

[0044] Further, the PGU module is also provided with an upper cover 700, which covers the side of the display screen 600 away from the light outlet 401, and the upper cover 700 is provided with a light transmission hole 701 corresponding to the light outlet 401, so that light can pass through the light transmission hole 701. The arrangement of the upper cover 700 can be used to realize the connection between the display screen 600 and the seat body 100.

[0045] In this embodiment, the PGU module is also provided with a light uniformizing film 800, which is arranged between the display screen 600 and the third lens 500, and is used for uniformizing light, so that the light emitted by the PGU module is more uniform. In order to realize the mounting of the light uniformizing film 800 and the display screen 600, the bracket 400 is provided with a mounting groove 440, the mounting opening 102 penetrates the groove bottom of the mounting groove 440, the light uniformizing film 800 is arranged on the groove bottom of the mounting groove 440, the display screen 600 abuts on the side of the light uniformizing film 800 away from the groove bottom of the mounting groove 440, and the upper cover 700 is clamped with the bracket 400 and abuts on the side of the display screen 600 away from the light uniformizing film 800. It can be understood that when the upper cover 700 is clamped with the bracket 400, the upper cover 700 abuts on the display screen 600, the display screen 600 abuts on the light uniformizing film 800, and the light uniformizing film 800 abuts on the groove bottom of the mounting groove 440, that is, only through the connection between the upper cover 700 and the bracket 400, the connection of the light uniformizing film 800 and the display screen 600 between the bracket 400 and the upper cover 700 can be realized, which is conducive to simplifying the structure and improving the assembly efficiency.

[0046] Preferably, the upper cover 700 is also provided with a spring buckle 710, which can elastically press the frame of the display screen 600 in the direction towards the bracket 400, so that the connection between the display screen 600 and the bracket 400 is more reliable. The spring buckle 710 is arranged along the circumference of the light transmission hole 701, so that the pressure connection of the display screen 600 is more reliable, the circumferential stress of the display screen 600 is more uniform, and the damage to the display screen 600 is reduced.

[0047] Exemplarily, the inner wall of the mounting groove 440 and the outer wall of the display screen 600 and the light uniformizing film 800 are correspondingly provided with positioning structures 441 extending along the depth direction of the groove, so as to realize the positioning along the plane of the display screen 600 and the light uniformizing film 800 during the mounting of the display screen 600, the light uniformizing film 800 and the seat body 100. The positioning structures 441 can be provided with matching protrusions and grooves, which are simple in structure and reliable in positioning.

[0048] Further, the outer wall of the bracket 400 is provided with a plurality of guide ribs 450, and the upper cover 700 is provided with a guide flange 720. When the upper cover 700 is covered on the bracket 400, the guide flange 720 can be placed between the adjacent guide ribs 450, so as to realize the positioning between the upper cover 700 and the bracket 400. Among them, the three outer walls of the bracket 400 are respectively provided with two guide ribs 450, and correspondingly, the guide flange 720 is also provided with three guide flanges. The distance between the guide ribs 450 and the width of the guide flange 720 are matched, and the person skilled in the art can set them according to the width of the bracket 400; in addition, the two sides of the guide flange 720 can also be provided with guide surfaces, so as to facilitate the placement of the guide flange 720 between the guide ribs 450.

[0049] Specifically, the first lens group 300 includes a first lens 310 and a second lens 320, and the first lens 310 is arranged between the second lens 320 and the lamp plate 200. The first lens 310 and the second lens 320 are used to process the light emitted by the lamp plate 200, so as to improve the imaging effect of the PGU module. Preferably, the side of the first lens 310 close to the second lens 320 is provided with a first abutting piece capable of abutting with the second lens 320, and the side of the first lens 310 close to the lamp plate 200 is provided with a second abutting piece 311 capable of abutting with the lamp plate 200. By arranging the first abutting piece and the second abutting piece 311, the distance between the first lens 310 and the second lens 320 and the distance between the first lens 310 and the lamp plate 200 are limited, so as to ensure the processing effect of the first lens 310 and the second lens 320 on the light.

[0050] Preferably, the side of the second abutting piece 311 close to the lamp plate 200 is provided with a positioning column 313, and the lamp plate 200 is correspondingly provided with a positioning hole 210. The positioning column 313 can be placed in the positioning hole 210, so as to realize the positioning between the first lens 310 and the lamp plate 200 along the parallel direction of the two.

[0051] Optionally, the seat body 100 is provided with a first U-shaped side wall 130 arranged circumferentially around the light inlet 101, and the support 400 is provided with a second U-shaped side wall 410. When the support 400 is connected to the seat body 100, the first U-shaped side wall 130 and the second U-shaped side wall 410 can surround the mounting space, and the lamp panel 200 and the first lens group 300 are arranged in the mounting space. The arrangement of the mounting space is beneficial to ensure the structural strength and prevent the light inside the PGU module from scattering to the outside of the PGU module. It is worth noting that one of the two U-shaped side walls is a positive U-shaped side wall, and the other is a negative U-shaped side wall, which facilitates the buckling of the two side walls to form the mounting space.

[0052] Exemplarily, one of the first U-shaped side wall 130 and the second U-shaped side wall 410 is provided with a clamping buckle 131, and the other is provided with a clamping hole 411, that is, the first U-shaped side wall 130 and the second U-shaped side wall 410 are connected by clamping, which is more convenient. The lamp panel 200 is also provided with an interface 220 for powering or controlling the lamp panel 200. Correspondingly, the second U-shaped side wall 410 is also provided with a relief gap 412 for avoiding interference with the interface 220.

[0053] Further, the seat body 100 is provided with a guide rib 140, and the second lens 320 is provided with a guide groove 321, and the guide rib 140 can be arranged in the guide groove 321. At the same time, the seat body 100 is provided with a support table 120, and the side of the second lens 320 away from the first lens 310 can abut against the support table 120. The first lens 310 is provided with a clamping buckle 312, which can be clamped with the seat body 100. The clamping not only realizes the connection of the first lens 310 with the seat body 100, but also realizes the connection between the second lens 320 and the seat body 100. The lamp panel 200 is connected with the seat body 100 through the connecting piece. In other embodiments, the lamp panel 200 can also be connected with the first lens 310 through the clamping structure, thereby realizing the connection between the lamp panel 200 and the seat body 100. Those skilled in the art can make settings according to actual needs, which are not limited here.

[0054] In this embodiment, in order to realize the installation of the third lens 500, the seat body 100 is provided with a positioning protrusion 150, and the third lens 500 is provided with a positioning edge 510, and the positioning edge 510 is provided with a positioning gap 511. At the same time, the seat body 100 is provided with a positioning table 170, and the support 400 is provided with a positioning rib. When assembling, the positioning protrusion 150 is placed in the positioning gap 511, then the third lens 500 is placed on the positioning table 170, and then buckled on the support 400, so that the positioning rib of the support 400 can abut against the positioning edge 510. Finally, the support 400 and the seat body 100 are fixed, and the fixing of the third lens 500 is realized.

[0055] It is worth mentioning that the lenses of the PGU module are connected with the seat body 100, the connection is convenient and reliable, can prevent wear, displacement, abnormal sound during vibration process, and at the same time ensures the position precision between each other, and further ensures the accuracy of light exit angle and imaging effect.

[0056] Specifically, the two sides of the seat body 100 are provided with the first mounting ears 160, the two sides of the bracket 400 are provided with the second mounting ears 430, the first mounting ears 160 can be connected with the second mounting ears 430 through the connecting piece, the connection is more reliable. At the same time, the first mounting ears 160 and the second mounting ears 430 can also realize the installation of the whole PGU module. Further, the first mounting ears 160 and the second mounting ears 430 are respectively provided with mounting holes, and the connecting piece is connected by penetrating the mounting holes to realize the connection of the two mounting ears. Preferably, the seat body 100 is also provided with a positioning groove 180, and the bracket 400 is also provided with a positioning block, the positioning block can be placed in the positioning groove 180 to realize the positioning between the bracket 400 and the seat body 100, so that the mounting hole after positioning can be opposite, and the penetrating and connection of the connecting piece are facilitated.

[0057] The above is only the preferred embodiment of the present application, for the ordinary skilled in the art, according to the idea of the present application, the specific implementation and application range will be changed, the content of the specification should not be understood as the limitation of the present application.

Claims

1. A PGU module, characterized in that, include: A base (100) has a light inlet (101) on one of its two adjacent surfaces and a mounting port (102) on the other surface. The side of the base (100) opposite to the light inlet (101) and the mounting port (102) is configured as a reflective slope (110). The lamp panel (200) and the first lens group (300) are both connected to the base (100), and the first lens group (300) is disposed between the light inlet (101) and the lamp panel (200); A bracket (400) is connected to the base (100), and the bracket (400) is provided with a light outlet (401) communicating with the mounting port (102); A third lens (500) and a display screen (600) are provided, wherein the third lens (500) is disposed between the reflective inclined surface (110) and the display screen (600), and the display screen (600) blocks the light outlet (401).

2. The PGU module according to claim 1, characterized in that, The PGU module is also provided with a top cover (700), the top cover (700) is provided with a light-transmitting hole (701) corresponding to the light outlet (401), and the top cover (700) is placed on the side of the display screen (600) away from the light outlet (401).

3. The PGU module according to claim 2, characterized in that, The PGU module is also provided with a light-diffusing film (800), the bracket (400) is provided with a mounting groove (440), the mounting port (102) penetrates the bottom of the mounting groove (440), the light-diffusing film (800) is disposed at the bottom of the mounting groove (440), the display screen (600) abuts against the side of the light-diffusing film (800) away from the bottom of the mounting groove (440), and the top cover (700) is snapped into the bracket (400) and abuts against the side of the display screen (600) away from the light-diffusing film (800).

4. The PGU module according to claim 3, characterized in that, The top cover (700) is provided with a spring buckle (710), which can elastically press against the frame of the display screen (600) in the direction toward the bracket (400).

5. The PGU module according to claim 1, characterized in that, The first lens group (300) includes a first lens (310) and a second lens (320). The first lens (310) is disposed between the second lens (320) and the lamp panel (200). A first abutting member that can abut against the second lens (320) is provided on the side of the first lens (310) near the second lens (320), and a second abutting member (311) that can abut against the lamp panel (200) is provided on the side of the first lens (310) near the lamp panel (200).

6. The PGU module according to claim 5, characterized in that, The base (100) is provided with a first U-shaped sidewall (130) surrounding the light inlet (101) in the circumferential direction, and the bracket (400) is provided with a second U-shaped sidewall (410) opposite to it. The first U-shaped sidewall (130) and the second U-shaped sidewall (410) can enclose an installation space, and the lamp plate (200) and the first lens group (300) are both provided in the installation space.

7. The PGU module according to claim 5, characterized in that, The base (100) is provided with a guide rib (140), and the second lens (320) is provided with a guide groove (321). The guide rib (140) can pass through the guide groove (321). The first lens (310) is provided with a buckle (312), and the buckle (312) can be engaged with the base (100). The lamp panel (200) is connected to the base (100) through a connector.

8. The PGU module according to claim 1, characterized in that, The base (100) is provided with a positioning protrusion (150), the third lens (500) is provided with a positioning edge (510), the positioning edge (510) is provided with a positioning notch (511), the bracket (400) is provided with a positioning rib, the positioning protrusion (150) can be placed in the positioning notch (511), and the positioning rib can abut against the positioning edge (510).

9. The PGU module according to claim 1, characterized in that, The base (100) is provided with a first mounting ear (160) on both sides, and the bracket (400) is provided with a second mounting ear (430) on both sides. The first mounting ear (160) can be connected to the second mounting ear (430) through a connector.

10. The PGU module according to any one of claims 1-9, characterized in that, A plane mirror (900) is provided on the reflective inclined surface (110), and the plane mirror (900) is bonded to the reflective inclined surface (110); or a reflective film is coated on the reflective inclined surface (110).

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