Automobile projection control device

Abstract

The present invention discloses a car projection control device, comprising a PCB board, a sensor, an optical module, a front cover located on the front surface of the optical module, a rear cover located on the rear surface of the optical module, a heat conduction module located on the lower side of the optical module, and a mounting bracket located on the rear side of the rear cover; a housing cavity is provided in the front end of the optical module, and the PCB board and the sensor are located in the housing cavity; the front cover and the rear cover are provided with an annular sealing ring structure, and form a sealed cavity with the optical module. The car projection control device provided by the present invention improves the sealing, waterproof and dustproof performance of the structure by arranging an annular sealing ring, and at the same time, the optical bracket body adopts a door-type structure, which reduces the volume and size of the optical device, and replaces the traditional cooling fan with a heat conduction module, further reducing the volume of the device.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile intelligent equipment parts and components, and in particular to an automobile projection control device. Background Art

[0002] With the advent of the wave of automotive intelligence, cars are equipped with more and more smart devices. Among them, car projection equipment has greatly improved the user's visual experience, and more and more projection devices are appearing in cars.

[0003] Most of the existing projection devices are huge in size, occupying a large layout space, and the sealing of the optical system is poor, resulting in extremely high requirements for the installation environment. At the same time, the heat dissipation technology of the existing projection devices is mostly air flow heat dissipation, and is equipped with fans, huge heat sinks and other components, which further leads to a large device size, limiting the application scenarios and installation locations of the projection devices. Summary of the invention

[0004] In view of the defects existing in the above-mentioned prior art, the present invention discloses a car projection control device to solve the problems of the projection device in the prior art being large in size, poor in sealing and poor in heat dissipation. Combined with the drawings of the specification, the technical solution of the present invention is as follows:

[0005] A car projection control device, the device comprising: a PCB board, a sensor, an optical module, a front cover located on the front surface of the optical module, a rear cover located on the rear surface of the optical module, a heat conduction module located on the lower side of the optical module, and a mounting bracket located on the rear side of the rear cover;

[0006] A housing cavity is provided in the front end of the optical module, and the PCB board and the sensor are located in the housing cavity;

[0007] The front cover and the rear cover are provided with annular sealing rings, and the front cover, the rear cover and the optical module form a sealed cavity;

[0008] The heat conduction module is fixedly formed by two heat conduction plates arranged in an "L" shape, wherein one heat conduction plate is connected to the optical module, and the other heat conduction plate is connected to the mounting bracket.

[0009] Furthermore, the optical module comprises: an optical support body, a light source, an optical shaping module, a pattern module and an optical amplification module;

[0010] The light source, optical shaping module, pattern module, and optical amplification module are sequentially arranged in the rear cavity formed by the optical bracket body and the rear cover;

[0011] The light source is arranged on the lower side of the optical bracket body and connected to the heat conduction module.

[0012] Furthermore, a projection light output hole and a detection hole are provided on the lower side of the optical module, and the surfaces of the projection light output hole and the detection hole are covered with a glass cover;

[0013] The light source projects light outward through the projection light output hole;

[0014] The sensor detects signals through the detection hole.

[0015] Furthermore, the thermal conductive module is made of copper.

[0016] Furthermore, the mounting bracket is made of magnesium-aluminum alloy.

[0017] Furthermore, the optical bracket body is a door-shaped structure.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The automobile projection control device of the present invention is provided with various sealing structures such as annular sealing rings on the front cover and the rear cover, which ensures the waterproof and dustproof performance of the projection control device and improves the stability of the device;

[0020] 2. The optical bracket body of the automobile projection control device of the present invention adopts a door-type structure, which reduces the volume and size of the optical device and improves the flexibility of the overall layout of the device;

[0021] 3. The automotive projection control device of the present invention is provided with a heat conduction module at the lower side of the optical module, through which the heat is conducted to the mounting bracket, and the heat dissipation effect is good; at the same time, the PCB board, the sensor and the optical module are respectively placed on both sides of the optical bracket body to avoid heat concentration, which is conducive to heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The figure is a schematic diagram of the structural decomposition of the automobile projection control device of the present invention.

[0023] In the figure:

[0024] 100-optical module, 200-PCB board, 300-sensor,

[0025] 400-front cover, 500-rear cover, 600-mounting bracket,

[0026] 700-Thermal conductivity module. DETAILED DESCRIPTION

[0027] In order to clearly and completely describe the technical solution and its specific working process of the present invention, the specific implementation methods of the present invention are as follows in conjunction with the accompanying drawings of the specification:

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0030] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0031] like Figure 1 As shown, the present invention discloses an automobile projection control device, including a PCB board 200, a sensor 300, an optical module 100, a front cover 400 located on the front surface of the optical module 100, a rear cover 500 located on the rear surface of the optical module 100, a heat conduction module 700 located on the lower side of the optical module 100, and a mounting bracket 600 located on the rear side of the rear cover 500.

[0032] The front end of the optical module 100 is provided with a housing cavity, and the PCB board 200 and the sensor 300 are located in the housing cavity.

[0033] The front cover 400 and the back cover 500 are respectively provided with an annular sealing ring structure, and the front cover 400 , the back cover 500 and the optical module 100 form a sealed cavity.

[0034] The thermal conductive module 700 is welded by two thermal conductive plates arranged in an "L" shape in the installation plane of the optical module 100. The thermal conductive plate at the lower end of the thermal conductive module 700 is connected to the bottom of the optical module 100, and the other thermal conductive plate located on the side of the thermal conductive module 700 is connected to the side of the mounting bracket 600.

[0035] The heat conduction module 700 is made of copper, which can effectively transfer heat.

[0036] The mounting bracket 600 is made of magnesium-aluminum alloy, which can effectively dissipate heat, reduce weight and improve strength.

[0037] The optical module 100 includes: an optical support body, a light source, an optical shaping module, a pattern module and an optical amplification module.

[0038] The light source, optical shaping module, pattern module and optical amplification module are arranged in sequence from front to back in the rear cavity formed by the optical bracket body and the back cover 500; wherein the light source is arranged at the lower side of the optical bracket body and connected to the thermal conductive module 700.

[0039] The optical module 100 has a projection light output hole and a detection hole at the lower side. The projection light output hole is located on the right side of the detection hole. The outer surfaces of the projection light output hole and the detection hole are covered with glass covers for light transmission, sealing and waterproofing.

[0040] The light source projects light outward through the projection light output hole, and the sensor 300 performs signal detection through the detection hole.

[0041] The optical bracket body adopts a door-type structure to make the optical module 100 more compact, realize the miniaturized design of the projection control device, and facilitate the arrangement and installation of the projection control device.

[0042] In summary, according to the above technical scheme of the present invention, various sealing structures such as annular sealing rings are arranged on the front cover and the rear cover, which ensures the waterproof and dustproof performance of the projection device and improves the stability of the device; the optical bracket body adopts an "H"-shaped structure, which reduces the volume and size of the optical module and improves the flexibility of the layout; a heat conduction module is arranged on the lower side of the optical module, and the heat is conducted to the mounting bracket through the heat conduction module, so that the heat dissipation effect is good; at the same time, the PCB board, the sensor and the optical module are respectively placed on both sides of the optical bracket body to avoid heat concentration, which is conducive to heat dissipation; the present invention adopts a fanless heat dissipation structure, has no noise pollution, and is lightweight in design.

[0043] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

[0044] The specific implementation of the present invention described above does not constitute a limitation on the protection scope of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A car projection control device, characterized in that: The device comprises: a PCB board, a sensor, an optical module, a front cover located on the front surface of the optical module, a rear cover located on the rear surface of the optical module, a heat conduction module located on the lower side of the optical module, and a mounting bracket located on the rear side of the rear cover; A housing cavity is provided in the front end of the optical module, and the PCB board and the sensor are located in the housing cavity; The front cover and the rear cover are provided with annular sealing rings, and the front cover, the rear cover and the optical module form a sealed cavity; The heat conduction module is fixedly composed of two heat conduction plates arranged in an "L" shape, wherein one heat conduction plate is connected to the optical module, and the other heat conduction plate is connected to the mounting bracket; The optical module comprises: an optical support body, a light source, an optical shaping module, a pattern module and an optical amplification module; The light source, optical shaping module, pattern module, and optical amplification module are sequentially arranged in the rear cavity formed by the optical bracket body and the rear cover; The light source is arranged on the lower side of the optical bracket body and connected to the heat conduction module; a projection light output hole and a detection hole are provided on the lower side of the optical module, and the surfaces of the projection light output hole and the detection hole are covered with a glass cover; The light source projects light outward through the projection light output hole; The sensor detects signals through the detection hole, the heat conduction module is made of copper, the mounting bracket is made of magnesium-aluminum alloy, and the optical bracket body is a door-shaped structure.

Images