CN218767782U - Optical machine module and projection device - Google Patents

Abstract

The disclosure relates to an optical machine module and a projection device, and relates to the technical field of projection. The optical-mechanical module comprises a light source component, a first reflector, a second reflector, an imaging component and a lens component which are sequentially arranged along a light path; the first reflector and the light source assembly are arranged along a first direction, the second reflector and the first reflector are arranged along a second direction, the imaging assembly and the second reflector are arranged along a third direction, the lens assembly and the imaging assembly are arranged along the second direction, and the optical axis of the lens assembly is parallel to the second direction; the first direction, the second direction and the third direction are intersected pairwise; the light source assembly is used for emitting light beams, the light beams can be transmitted to the first reflecting mirror, are reflected to the second reflecting mirror through the first reflecting mirror and are reflected to the imaging assembly through the second reflecting mirror, and the imaging assembly converts the light beams into image light and guides the image light to the lens assembly. The optical system compatible with the long optical path and the miniaturization design are realized.

Description

Optical machine module and projection device

Technical Field

The application relates to the technical field of projection, in particular to an optical machine module and a projection device comprising the optical machine module.

Background

Along with user's life quality promotes, image quality to the projecting apparatus is higher and higher, in order to satisfy user's demand, need use more complicated, the longer optical system of optical path, means that the volume of the ray apparatus module that bears this optical system can be bigger, bulky ray apparatus module is difficult to be compatible with miniaturized industrial design.

SUMMERY OF THE UTILITY MODEL

The present disclosure provides an optical module and a projection apparatus, which can implement an optical system compatible with a long optical path and a miniaturized design.

In a first aspect, the present disclosure relates to an optical-mechanical module, which includes a light source assembly, a first reflector, a second reflector, an imaging assembly, and a lens assembly, which are sequentially disposed along a light path; the first reflector and the light source assembly are arranged along a first direction, the second reflector and the first reflector are arranged along a second direction, the imaging assembly and the second reflector are arranged along a third direction, the lens assembly and the imaging assembly are arranged along the second direction, and an optical axis of the lens assembly is parallel to the second direction; wherein the first direction, the second direction and the third direction intersect each other; the light source assembly is used for emitting light beams, the light beams can be transmitted to the first reflecting mirror, are reflected to the second reflecting mirror through the first reflecting mirror and are reflected to the imaging assembly through the second reflecting mirror, and the imaging assembly converts the light beams into image light and guides the image light to the lens assembly.

The optical-mechanical module further comprises a first shell and a second shell. The first shell is provided with a first accommodating cavity, the first reflector is arranged in the first accommodating cavity, and the light emitting end of the light source component corresponds to the first reflector. One end of the second shell is connected with the lens component, the other end of the second shell is detachably connected with the first shell, the second shell is provided with a second accommodating cavity and a third accommodating cavity which are communicated along the third direction, the second accommodating cavity is communicated with the first accommodating cavity, the second reflector is arranged in the second accommodating cavity, and the imaging component is arranged in the third accommodating cavity.

Wherein the first receiving cavity comprises a first sub-cavity and a second sub-cavity. The first subchamber extends in the first direction. The second sub-cavity extends along the second direction and is respectively communicated with the first sub-cavity and the second accommodating cavity; the light source subassembly is located first sub-chamber deviates from the one end of second sub-chamber, first speculum is located first sub-chamber with the junction of second sub-chamber.

The optical machine module further comprises a first light homogenizing assembly and a second light homogenizing assembly. The first light homogenizing assembly is arranged in the first sub-cavity and is positioned on a light path between the light source assembly and the first reflecting mirror. The second light homogenizing assembly is arranged in the second sub cavity and is positioned on a light path between the first reflecting mirror and the second reflecting piece.

The lens assembly and the first shell are arranged at intervals in the third direction, the optical-mechanical module further comprises an adapter plate and a plurality of flexible electric connecting pieces, the adapter plate is arranged between the lens assembly and the first shell, the flexible electric connecting pieces are respectively electrically connected with the light source assembly and the imaging assembly through a plurality of flexible electric connecting pieces, and the adapter plate is used for being connected with a control board.

The optical-mechanical module further comprises a dynamic diffusion sheet device arranged in the first accommodating cavity, and the dynamic diffusion sheet device is electrically connected with the adapter plate through the flexible electric connector.

The second shell is provided with an open opening at one side facing away from the first shell in the third direction, and the imaging assembly is detachably arranged in the second shell and can be disassembled and assembled from the open opening.

The optical machine module further comprises a radiating piece, wherein the radiating piece is arranged on one side, deviating from the first reflecting mirror, of the imaging assembly in the second direction and used for exchanging heat with the imaging assembly.

Wherein, the radiating member comprises a radiating pipe and a radiator. The radiating pipe is arranged on the imaging assembly and extends along the first direction. The radiator with the cooling tube is connected, the radiator is in the second direction with the light source subassembly interval sets up, and in the first direction with the formation of image subassembly interval sets up.

In a second aspect, the present disclosure further relates to a projection apparatus, which includes a housing and the optical mechanical module, wherein the optical mechanical module is disposed in the housing.

Has the advantages that:

in the ray apparatus module of this disclosure, light source subassembly and first speculum set up at the first direction, the second mirror sets up along the second direction with first speculum, formation of image subassembly sets up along the third direction with the second mirror, make the ray apparatus module at the first direction, second direction and third direction have comparatively reasonable and balanced size respectively, thereby the too big problem of size in a direction is difficult for appearing to the ray apparatus module, the compact structure nature of ray apparatus module has been improved, be convenient for the ray apparatus module piles up with projection arrangement's other subassembly equipment, can satisfy miniaturized industrial design's demand betterly. Meanwhile, the first reflector and the second reflector are sequentially arranged between the light source assembly and the imaging assembly, so that the optical path from the light source assembly to the imaging assembly can be ensured, and the optical design requirement of high imaging quality is met.

Drawings

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

Fig. 1 is a schematic structural diagram of an optical-mechanical module according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of the opto-mechanical module of FIG. 1;

FIG. 3 is a front view of the opto-mechanical module of FIG. 1;

FIG. 4 is a side view of the opto-mechanical module of FIG. 1;

FIG. 5 is a top view of the opto-mechanical module of FIG. 1;

FIG. 6 is a schematic diagram of a partial structure of the optical-mechanical module shown in FIG. 1;

FIG. 7 is an exploded view of the opto-mechanical module shown in FIG. 1;

fig. 8 is a schematic structural diagram of a projection apparatus according to an embodiment of the present application.

Description of reference numerals:

optical-mechanical module 100

Light source assembly 10

Laser 11

Light combining component 12

First reflector 20

Second reflector 30

Imaging assembly 40

Light valve 41

Prism 42

Lens assembly 50

Front focal part 51

Back focal length 52

Focusing part 53

Focusing motor 54

First case 61

First receiving cavity 611

First subchamber 612

Second sub-cavity 613

Second housing 62

The second receiving cavity 621

Third containing cavity 622

Open mouth 623

Cover plate 63

First light homogenizing assembly 71

Second light homogenizing assembly 72

Dynamic diffusion sheet device 73

Galvanometer module 74

Adapter plate 81

Flexible electrical connector 82

Printed circuit board 83

Heat sink 90

Heat radiation pipe 91

Heat sink 92

Projection device 200

Casing 201

First direction X

Second direction Y

Third direction Z

Detailed Description

Technical solutions in embodiments of the present disclosure will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The term "upper" and similar expressions are used herein for the purpose of illustration only.

It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.

The projector includes a laser projector, the laser projector is a projector that projects pictures through laser beams, some laser beams need to be processed by optical elements, and the quality of images can be achieved only after the laser beams reach the light valve. However, after the optical path of the optical system is lengthened, the size of the optical module carrying the optical system becomes large, and it is difficult to be compatible with the miniaturized industrial design, and the optical module with an excessively large size is also difficult to meet the requirement of the user on the miniaturized projector.

Examples

Referring to fig. 1 and fig. 2, the present embodiment provides an optical-mechanical module 100, which includes a light source assembly 10, a first reflecting mirror 20, a second reflecting mirror 30, an imaging assembly 40, and a lens assembly 50, which are sequentially disposed along a light path; the first reflector 20 and the light source assembly 10 are disposed along a first direction X, the second reflector 30 and the first reflector 20 are disposed along a second direction Y, the imaging assembly 40 and the second reflector 30 are disposed along a third direction Z, the lens assembly 50 and the imaging assembly 40 are disposed along the second direction Y, and an optical axis of the lens assembly 50 is parallel to the second direction Y; the first direction X, the second direction Y and the third direction Z are intersected pairwise; the light source assembly 10 is configured to emit a light beam, the light beam can be transmitted to the first reflecting mirror 20, reflected to the second reflecting mirror 30 by the first reflecting mirror 20, and reflected to the imaging assembly 40 by the second reflecting mirror 30, and the imaging assembly 40 converts the light beam into image light and guides the image light to the lens assembly 50.

Referring to fig. 3 to 5 in a matching manner, the light source assembly 10 and the first reflector 20 are arranged in a first direction X, the second reflector 30 and the first reflector 20 are arranged in a second direction Y, the imaging assembly 40 and the second reflector 30 are arranged in a third direction Z, so that the optical module 100 is arranged in the first direction X, the second direction Y and the third direction Z have reasonable and balanced sizes respectively, the optical module 100 is not prone to appear in one direction, the problem of overlarge size is solved, the structure compactness of the optical module 100 is improved, the optical module 100 is convenient to assemble and stack with other assemblies of the projection device 200, and the requirement of small industrial design can be well met. Meanwhile, the first reflector 20 and the second reflector 30 are sequentially arranged between the light source assembly 10 and the imaging assembly 40 in the embodiment, so that the optical path from the light source assembly 10 to the imaging assembly 40 can be ensured, and the optical design requirement of high imaging quality can be met.

Meanwhile, the lens assembly 50 and the imaging assembly 40 are disposed along the second direction Y, and the optical axis of the lens assembly 50 is parallel to the second direction Y, so that the optical axis of the lens assembly 50 corresponds to the optical path of the light beam between the first reflector 20 and the second reflector 30 along the third direction Z, and the lens assembly 50 occupies a smaller spatial area deviating from the second direction Y within the spatial range, so that the light source assembly 10 is close to one side of the second reflector 30 along the second direction Y, and is a vacant spatial area close to one side of the light source assembly 10 along the first direction X with the imaging assembly 40 or the second reflector 30, so that the structural compactness of each assembly of the optical module 100 is better.

Therefore, the optical mechanical module 100 of the present embodiment can achieve a long optical path to meet the optical design requirement of high imaging quality; and the first direction X, the second direction Y and the third direction Z in the space are all small in size, and the optical-mechanical module 100 is compatible with the miniaturized industrial design, so that the size of the projection device 200 is small, and the requirement of a user on the miniaturized projection device 200 is met.

In this embodiment, the first direction X is an X-axis direction, the second direction Y is a Y-axis direction, and the third direction Z is a Z-axis direction, so as to realize that the optical module 100 has a smaller volume in a three-dimensional space, according to the actual design requirement of the optical module 100, the first direction X, the second direction Y, and the third direction Z may also be set as skew intersection of every two, or, the first direction X and the second direction Y are skew intersection, the first direction X is perpendicular to the third direction Z, the second direction Y and the third direction Z are skew intersection, and the like. Preferably, the first direction X, the second direction Y and the third direction Z are perpendicular to each other.

In this embodiment, referring to fig. 2, the light source assembly 10 includes a laser 11, and the laser 11 may be a multi-color laser 11 capable of emitting laser light of three colors, i.e., red, green, and blue. The light source assembly 10 further includes a light combining assembly 12, where the light combining assembly 12 is configured to combine the RGB three-color laser light emitted from the multi-color laser 11 into a white light beam, so as to improve uniformity of light color. In this embodiment, a plurality of lasers 11 may be provided, and the light combining component 12 may be a light combining mirror and is disposed on the light exit axis of the laser 11. The light combining mirror can be a dichroic mirror, a hollow-out reflector, a half-transmitting mirror or other optical elements capable of achieving light combining.

In this embodiment, referring to fig. 2, the imaging assembly 40 includes a light valve 41 and a prism 42, the prism 42 is disposed between the light valve 41 and the second reflecting mirror 30 along the third direction Z and can direct the light beam to the light valve 41, and then the light valve 41 converts the light beam into image light and directs the image light to the lens assembly 50 for imaging. The light valve 41 may be a DMD (Digital micro mirror Device) chip or an LCOS (Liquid Crystal On Silicon) chip. The prism 42 may be a TIR (Total Internal Reflection) prism, which has a good stray light elimination effect and can further divert the light beam reflected by the second reflecting mirror 30 so that the light beam can be accurately incident on the light valve 41. In other embodiments of the present disclosure, the prism 42 may also be a PBS prism (polarization splitting prism); the present disclosure is not limited thereto.

Referring to fig. 1, in the present embodiment, the optical-mechanical module 100 further includes a heat sink 90, and the heat sink 90 is disposed on a side of the imaging assembly 40 facing away from the first reflector 20 in the second direction Y and is used for exchanging heat with the imaging assembly 40.

In the operation process of the optical module 100, the imaging component 40 usually generates more heat, and the heat sink 90 can exchange heat with the imaging component 40 and the external environment, so as to conduct the heat of the imaging component 40 to the external environment, improve the heat dissipation efficiency of the imaging component 40, and ensure the normal operation of the imaging component 40. Meanwhile, in the present embodiment, the heat dissipation member 90 is specifically disposed in the second housing 62, and the imaging assembly 40 exchanges heat with the heat dissipation member 90 through the second housing 62. In other embodiments of the present disclosure, the heat dissipation member 90 may be disposed on both sides of the imaging assembly 40 along the first direction X.

Referring to fig. 5, in the present embodiment, the heat radiating member 90 includes a radiating pipe 91 and a radiator 92. The heat dissipation pipe 91 is disposed on the imaging assembly 40 and extends along the first direction X. The heat sink 92 is connected to the heat pipe 91, and the heat sink 92 is spaced apart from the light source assembly 10 in the second direction Y and spaced apart from the imaging assembly 40 in the first direction X. Compared with a common radiating fin, the radiating pipe 91 has a better heat exchange effect, and can meet the radiating requirement of the imaging assembly 40 with a larger heat value, and the radiating pipe 91 can conduct the heat to the radiator 92 far away from the first shell 61 and the second shell 62, so as to reduce the influence of heat accumulation of the radiating piece 90 on the imaging assembly 40. Of course, depending on the specific model of the imaging assembly 40, for example, when the imaging assembly 40 includes an imaging chip with a small amount of heat generation, the heat sink 90 may be a separate aluminum extruded heat sink 92 and disposed on the second housing 62, so that the space area between the first housing 61 and the second housing 62 is not occupied.

Referring to fig. 2, in the present embodiment, the optical-mechanical module 100 further includes a first housing 61 and a second housing 62. The first housing 61 has a first accommodating cavity 611, the first reflector 20 is disposed in the first accommodating cavity 611, and the light emitting end of the light source assembly 10 corresponds to the first reflector 20. The second housing 62 has one end connected to the lens assembly 50 and the other end detachably connected to the first housing 61, and has a second receiving cavity 621 and a third receiving cavity 622 communicating with each other along the third direction Z, the second receiving cavity 621 communicates with the first receiving cavity 611, the second reflector 30 is disposed in the second receiving cavity 621, and the imaging assembly 40 is disposed in the third receiving cavity 622.

The first housing 61 may stably mount the light source assembly 10 and the first reflecting mirror 20 and may reduce the light beam from escaping the first housing 61. The second housing 62 may stably mount the imaging assembly 40 and the second mirror 30, reducing the escape of light from the second housing 62. Second casing 62 can be dismantled with first casing 61 and be connected, can be convenient for change different second casings 62 at first casing 61 to satisfy the installation demand of the imaging assembly 40 of different models, improve ray apparatus module 100's expansion performance. For example, the imaging assembly 40 may be divided into a 4K chip and a 1080P chip, the 4K chip may project an image with a maximum resolution of 4K, the 1080P chip may project an image with a maximum resolution of 1080P, the second housing 62 corresponding to the 1080P chip and the second housing 62 corresponding to the 4K chip may be processed by using the same mold, and only local modification is required in the mold to meet the installation requirements of the 4K chip and the 1080P chip.

In other embodiments of the present disclosure, the second reflector 30 may also be disposed in the first receiving cavity 611 and spaced apart from the first reflector 20, and the second housing 62 and the first housing 61 are disposed along the third direction Z and only define the third receiving cavity 622, so that the laser emitted from the light source assembly 10 can be sequentially transmitted to the imaging assembly 40 along the light path.

Referring to fig. 2, in the present embodiment, the first receiving cavity 611 includes a first sub-cavity 612 and a second sub-cavity 613. First subchamber 612 extends along first direction X. The second sub-cavity 613 extends along the second direction Y and is respectively communicated with the first sub-cavity 612 and the second receiving cavity 621; the light source assembly 10 is disposed at an end of the first sub-chamber 612, which faces away from the second sub-chamber 613, and the first reflector 20 is disposed at a connection position of the first sub-chamber 612 and the second sub-chamber 613. The extending direction of the first sub-chamber 612 can match the optical path direction between the light source assembly 10 and the first reflector 20, and the extending direction of the second sub-chamber 613 can match the optical path direction between the first reflector 20 and the second reflector 30. In the present embodiment, the first housing 61 is formed in an L shape to form a first sub-chamber 612 and a second sub-chamber 613 communicating therein.

Referring to fig. 2 and fig. 6, in the present embodiment, the optical mechanical module 100 further includes a first light-homogenizing assembly 71 and a second light-homogenizing assembly 72. The first light homogenizing assembly 71 is disposed in the first sub-cavity 612 and is located on the optical path between the light source assembly 10 and the first reflector 20. The second light homogenizing assembly 72 is disposed in the second sub-cavity 613 and is located on a light path between the first reflector 20 and the second reflector. The first light homogenizing assembly 71 and the second light homogenizing assembly 72 can improve the uniformity, brightness and other properties of the light beams reaching the imaging assembly 40, and reduce stray light of laser light and the like, so as to improve the performance of the image light converted by the imaging assembly 40, and further improve the image quality of the final projection of the lens assembly 50.

In the present embodiment, referring to fig. 1 and 2, the lens assembly 50 includes a front focus portion 51, a rear focus portion 52, a focusing portion 53, and a focusing motor 54. A focus section 53 is provided between the front focus section 51 and the back focus section 52, and a focus motor 54 is connected to the focus section 53 and drives the adjustment section to move to adjust the focal length of the front focus section 51 and to adjust the focal length of the back focus section 52.

In this embodiment, referring to fig. 1 and fig. 2, the lens assembly 50 and the first housing 61 are disposed at an interval along the third direction Z, the optical-mechanical module 100 further includes an adapter plate 81 and a plurality of flexible electrical connectors 82, the adapter plate 81 is disposed between the lens assembly 50 and the first housing 61 and is electrically connected to the light source assembly 10 and the imaging assembly 40 through the plurality of flexible electrical connectors 82, and the adapter plate 81 is used for connecting a control board (not shown). The Flexible electrical connector 82 may be a Flexible Printed Circuit (FPC) and is adhered to the surfaces of the first and second housings 61 and 62.

The adapter plate 81 is disposed between the lens assembly 50 and the first housing 61, and a gap between the lens assembly 50 and the first housing 61 along the third direction Z can be further utilized, so as to reduce an influence of the arrangement of the adapter plate 81 on the size of the optical module 100 in the third direction Z. The flexible electrical connector 82 can extend and bend along the surface of the first shell 61 or the second shell 62, and then is connected with the adapter plate 81, so that the wire normalization is improved, the disordered appearance of the connecting wires of the optical-mechanical module 100 is reduced, and the whole wiring of the optical-mechanical module 100 is simple; and compared with the light source assembly 10 and the imaging assembly 40 which are directly connected with the control board through the flexible electric connector 82, the possibility of damage caused by pulling connecting wires in the assembling process of the optical-mechanical module 100 can be reduced, so that the electrical reliability and the assembling and stacking reliability of the optical-mechanical module 100 are improved. The adapter plate 81 is connected to a control board via a flexible electrical connection 82, which controls the lens assembly 50, the light source assembly 10, and the imaging assembly 40.

Referring to fig. 2, in an embodiment of the present invention, the optical-mechanical module 100 further includes a Printed Circuit Board 83 (PCB), the Printed Circuit Board 83 is disposed on the lens assembly 50 and is used for controlling the adjustment motor and the focusing module of the lens assembly 50, in this embodiment, the Printed Circuit Board 83 is disposed on a side of the lens assembly 50 departing from the first housing 61 along the third direction Z and can be connected to the adapter plate 81 through the flexible electrical connector 82, so as to achieve an effect of simplifying the wiring.

In one embodiment of this embodiment, the galvanometer module 74 is also connected to the interposer 81 via a flexible electrical connection 82.

Referring to fig. 2, in the embodiment, the optical-mechanical module 100 further includes a dynamic diffusion sheet device 73 disposed in the first receiving cavity 611, and the dynamic diffusion sheet device 73 is electrically connected to the adaptor plate 81 through the flexible electrical connector 82. The dynamic diffusion sheet device 73 can reduce the coherence of laser in space and time, eliminate the speckle of the light beam, and improve the speckle eliminating effect of the light beam. The dynamic diffuser means 73 may specifically include a static diffuser and a dynamic diffuser.

In this embodiment, referring to fig. 7, the second housing 62 is provided with an open opening 623 on a side facing away from the first housing 61 in the third direction Z, and the imaging assembly 40 is detachably disposed in the second housing 62 and can be detached from the open opening 623, so as to improve the convenience of detaching the imaging assembly 40. In this embodiment, the optical module 100 further includes a cover plate 63, and the cover plate 63 is detachably covered on the open hole 623 to perform the sealing and dust-proof functions.

In addition, in the present embodiment, referring to fig. 7, the optical module 100 further includes a galvanometer module 74, and the galvanometer module 74 is detachably disposed in the second housing 62 and disposed between the lens assembly 50 and the imaging assembly 40 in the second direction Y. The opening 623 can also facilitate the disassembly and assembly of the galvanometer module 74. The mirror-vibrating module 74 can swing and shift a single pixel point of the image light emitted by the imaging component 40 to a plurality of pixel points, thereby increasing the number of the pixel points of the image light, further increasing the image quality of the lens component 50, and satisfying the demand for differentiated configuration of the optical-mechanical module 100.

In other embodiments of the present disclosure, the opening 623 may also be provided on both sides of the second housing 62 along the first direction X according to the connection position of the imaging assembly 40 and the second housing 62.

Referring to fig. 8, the embodiment further relates to a projection apparatus 200, which includes a housing 201 and the optical-mechanical module 100, wherein the optical-mechanical module 100 is disposed in the housing 201. In the projection apparatus 200 of the embodiment of the disclosure, due to the adoption of the optical module 100, the housing 201 can form a miniaturization design matching with the optical module 100, so as to realize miniaturization of the whole projection apparatus 200 and ensure the quality of the projection image of the projection apparatus 200.

Although the present application has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present application.

Claims (10)

1. An optical-mechanical module is characterized by comprising a light source component, a first reflector, a second reflector, an imaging component and a lens component which are sequentially arranged along a light path;

the first reflector and the light source assembly are arranged along a first direction, the second reflector and the first reflector are arranged along a second direction, the imaging assembly and the second reflector are arranged along a third direction, the lens assembly and the imaging assembly are arranged along the second direction, and an optical axis of the lens assembly is parallel to the second direction; wherein the first direction, the second direction and the third direction intersect each other;

the light source assembly is used for emitting light beams, the light beams can be transmitted to the first reflecting mirror, are reflected to the second reflecting mirror through the first reflecting mirror and are reflected to the imaging assembly through the second reflecting mirror, and the imaging assembly converts the light beams into image light and guides the image light to the lens assembly.

2. The opto-mechanical module of claim 1, wherein: the ray apparatus module still includes:

the first reflector is arranged in the first accommodating cavity, and the light outlet end of the light source component corresponds to the first reflector;

and one end of the second shell is connected with the lens component, the other end of the second shell is detachably connected with the first shell, the second shell is provided with a second accommodating cavity and a third accommodating cavity which are communicated along the third direction, the second accommodating cavity is communicated with the first accommodating cavity, the second reflector is arranged in the second accommodating cavity, and the imaging component is arranged in the third accommodating cavity.

3. The opto-mechanical module of claim 2, wherein: the first housing chamber includes:

a first subchamber extending in the first direction;

the second sub-cavity extends along the second direction and is respectively communicated with the first sub-cavity and the second accommodating cavity; the light source subassembly is located first sub-chamber deviates from the one end of second sub-chamber, first speculum is located first sub-chamber with the junction of second sub-chamber.

4. The opto-mechanical module of claim 3, wherein: the ray apparatus module still includes:

the first light homogenizing assembly is arranged in the first sub-cavity and is positioned on a light path between the light source assembly and the first reflecting mirror;

and the second dodging assembly is arranged in the second sub cavity and is positioned on a light path between the first reflector and the second reflector.

5. The opto-mechanical module of claim 2, wherein: the lens subassembly with first casing is followed the third direction interval sets up, the ray apparatus module still includes keysets and a plurality of flexible electric connection piece, the keysets is located the lens subassembly with between the first casing to through a plurality of flexible electric connection piece respectively with the light source subassembly with the formation of image subassembly electricity is connected, the keysets is used for connection control board.

6. The opto-mechanical module of claim 5, wherein: the optical-mechanical module further comprises a dynamic diffusion sheet device arranged in the first accommodating cavity, and the dynamic diffusion sheet device is electrically connected with the adapter plate through the flexible electric connector.

7. The opto-mechanical module of claim 2, wherein: the second shell is provided with an open opening at one side of the third shell facing away from the first shell, and the imaging assembly is detachably arranged in the second shell and can be disassembled and assembled from the open opening.

8. The opto-mechanical module of claim 1, wherein: the optical machine module further comprises a radiating piece, wherein the radiating piece is arranged on one side, deviating from the first reflecting mirror, of the imaging assembly in the second direction and used for exchanging heat with the imaging assembly.

9. The opto-mechanical module of claim 8, wherein: the heat sink includes:

the radiating pipe is arranged on the imaging assembly and extends along the first direction;

the radiator, the radiator with the cooling tube is connected, the radiator is in the second direction with the light source subassembly interval sets up, and be in the first direction with the formation of image subassembly interval sets up.

10. A projection device, comprising: the opto-mechanical module of any of claims 1 to 9, and a housing, the opto-mechanical module being disposed within the housing.

Images