CN219799969U - Ray apparatus and projecting apparatus with upper and lower heat dissipation wind path structure - Google Patents

Abstract

The utility model discloses an optical engine with an upper and lower heat radiation air path structure and a projector, wherein the optical engine with the upper and lower heat radiation air path structure comprises a shell, a lens is arranged on the front side wall of the shell, a light source component is arranged on the inner side wall of the shell, a first heat radiation plate is arranged in an opening at the lower end of the shell, a second heat radiation plate is arranged in an opening at the upper end of the shell, a lens module and an image display module are arranged between the first heat radiation plate and the second heat radiation plate, a heat radiation fan is arranged on the inner wall of the first heat radiation plate, an air outlet of the heat radiation fan faces the second heat radiation plate, air blown by the heat radiation fan sequentially passes through the inner component of the projector from bottom to top, so that the whole air flow penetrates through the whole optical engine from bottom to top, and heat generated inside the optical engine is emitted to the greatest extent.

Description

Ray apparatus and projecting apparatus with upper and lower heat dissipation wind path structure

Technical Field

The utility model relates to the technical field of projectors, in particular to an optical machine with an upper heat dissipation air duct structure and a lower heat dissipation air duct structure, and simultaneously provides a projector.

Background

With the continuous development of technology, projection technology is continuously advanced, projectors are widely applied to meeting, teaching, entertainment and other places, and with the wide application and use frequency improvement of projectors, higher requirements are also put on heat dissipation of the projectors, but at present, traditional projectors have the following disadvantages:

1. the existing projector generally adopts a left-right type heat radiation fan for heat radiation in the optical engine, and the heat accumulation at the bottom end of a component in the optical engine is caused by the rising of air flow, so that the conditions of local heating and the like are generated in the use process, and the projection effect of the optical engine is affected;

2. when the heat dissipation fan operates, the air flow circulation is not smooth, so that the heat dissipation effect of the lens is poor.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a light machine with an up-down heat dissipation air path structure and a projector aiming at the defects in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the light machine with the upper and lower heat dissipation air path structures comprises a shell, wherein a lens is arranged on the front side wall of the shell, and the light machine is characterized in that a lens module and an image display module are arranged in the inner cavity of the shell at right and left intervals, a light source assembly is arranged on the side wall of the shell positioned on the right of the image display module, a reflector is arranged on the inner wall of the shell positioned on the left of the lens module, and light rays emitted from the light source module are reflected to the lens through the image display module, the lens module and the reflector for projection;

the upper end and the lower end of the shell are respectively provided with an opening, a first heat dissipation plate is arranged in the opening at the lower end of the shell, a second heat dissipation plate is arranged in the opening at the upper end of the shell, and the lens module, the image display module and the reflecting mirror are respectively arranged between the first heat dissipation plate and the second heat dissipation plate;

the heat dissipation fan is arranged on the inner wall of the first heat dissipation plate, and an air outlet of the heat dissipation fan is arranged towards the second heat dissipation plate.

In one embodiment, the upper and lower edges of the left side of the lens module are respectively provided with a sealing plate, each edge of the sealing plate is correspondingly in sealing connection with the inner wall of the shell, the left side surface of the lens module and the right surface of the reflector,

the lens module, the image display module with clearance between the casing forms first wind path, is located the casing lateral wall of reflector left side forms the second wind path with the clearance between the reflector, and the wind that is blown out by the radiator fan passes through from bottom to top in proper order first wind path, lens module and image display module, first wind path, second heating panel, second wind path, first heating panel get back to the radiator fan again.

In one embodiment, the lens module comprises a lens support and a lens, vent holes are respectively formed in the upper end and the lower end of the lens support, an air guide component is arranged at the vent hole of the lower end of the lens support, an air outlet component is arranged at the vent hole of the upper end of the lens support, the air guide component and the air outlet component are respectively communicated with the inside of the lens support, and the lens is respectively arranged in the left end and the right end of the lens support.

In one embodiment, the air guide assembly comprises an air guide plate, the air guide plate is inserted into the ventilation hole, a plurality of air dividing plates are fixedly arranged on the air guide plate, and the left ends of the air dividing plates are fixedly connected with the lens support respectively;

the air-out subassembly includes a plurality of air-out storehouse, and a plurality of air-out storehouse sets up with the interval in the ventilation hole, the air intake has been seted up to the bottom in air-out storehouse, just the air intake in air-out storehouse with the inside intercommunication of lens support, be provided with the air outlet on the left side wall in air-out storehouse, the upper right corner in air-out storehouse is the fillet setting.

In one embodiment, the right side wall of the cooling fan is provided with an air outlet, the first cooling plate is provided with an arc groove, the arc groove is close to the air outlet on the cooling fan, a plurality of fixing plates are arranged in the arc groove, the lower end of the air deflector is of a bending structure, the bending concave surface of the lower end of the air deflector faces the air outlet of the cooling fan, the edge of the air deflector far away from one end of the lens bracket is provided with a plurality of grooves, one end of the fixing plates far away from the arc groove is correspondingly clamped in the plurality of grooves,

a plurality of transverse radiating fins are respectively arranged on the inner walls of the first radiating plate and the second radiating plate, arc-shaped grooves are formed on the radiating fins on the second radiating plate, the air outlet bin is fixedly arranged in the arc-shaped grooves,

the image display module is arranged above the arc-shaped groove and is abutted with the radiating fins on the second radiating plate.

In one embodiment, the lenses arranged at the left end and the right end of the lens support are respectively a second lens and a liquid crystal screen, the image display module comprises a reflective polarizer and a first lens which are arranged at left and right intervals, a lens support clamping groove, a reflective polarizer clamping groove and a first lens clamping groove are respectively arranged on the inner walls of the front side wall and the rear side wall of the shell, and the lens placing frame, the reflective polarizer and the first lens are respectively and correspondingly arranged in the lens placing frame clamping groove, the reflective polarizer clamping groove and the first lens clamping groove.

In one embodiment, the outer side wall of the bottom surface of the shell is also provided with a radiator, the radiator comprises a radiating substrate, a radiator fan, a heat conducting pipe and a plurality of radiating fins which are arranged at intervals,

the heat dissipation substrate is arranged on the outer side wall of the light source module, the first heat dissipation plate, the radiator fan and the heat dissipation fins are arranged side by side from left to right in sequence, one end of the heat conduction pipe is inserted into a plurality of the heat dissipation fins, and the other end of the heat conduction pipe is connected with the heat dissipation substrate.

In order to solve the technical problem, the utility model also provides a projector, which comprises a shell and is characterized by further comprising the optical machine with the upper and lower heat dissipation air path structures, wherein the optical machine with the upper and lower heat dissipation air path structures is arranged in the shell.

The beneficial effects of the utility model are as follows:

1. the utility model provides a light machine with an up-down heat radiation air path structure, wherein a first heat radiation plate and a second heat radiation plate are respectively arranged at the upper end and the lower end of a shell of the light machine, a heat radiation fan is arranged on the inner wall of the first heat radiation plate positioned at the lower end, and the whole air flow penetrates through the whole light machine from bottom to top in a bottom-to-top heat radiation mode, so that the aim of fully radiating heat is fulfilled.

2. The inside lens module of ray apparatus, image display module and the clearance between the ray apparatus casing form first wind path, and the casing lateral wall of reflector one side forms the second wind path with the clearance between the reflector, and the wind that is blown out by radiator fan passes through in proper order from bottom to top first wind path, lens module and image display module, first wind path, second heating panel, second wind path, first heating panel get back to radiator fan again, at the inside circulation wind path that forms of ray apparatus from top to bottom.

Drawings

FIG. 1 is a partial internal structure of an optical engine with an up and down cooling air duct structure;

FIG. 2 is an overall block diagram of a projector light engine;

FIG. 3 is a schematic view of a first perspective view of a projector light engine;

FIG. 4 is a schematic view of a second perspective view of a projector light engine;

FIG. 5 is a schematic view of a lens holder structure;

Detailed Description

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

As illustrated in the figure:

the light machine with the upper and lower heat dissipation air path structures comprises a shell 1, wherein a lens 2 is arranged on the front side wall of the shell 1, a lens module 4 and an image display module 3 are arranged in the inner cavity of the shell 1 at left and right intervals, a light source component 5 is arranged on the side wall of the shell 1 positioned on the right side of the image display module 3, a reflector 6 is arranged on the inner wall of the shell 1 positioned on the left side of the lens module 4, and light rays emitted from the light source module are reflected to the lens 2 through the image display module 3, the lens module 4 and the reflector 6 for projection;

the upper end and the lower end of the shell 1 are respectively provided with an opening, a first heat radiation plate 11 is arranged in the opening at the lower end of the shell 1, a second heat radiation plate 12 is arranged in the opening at the upper end of the shell 1, and the lens module 4, the image display module 3 and the reflecting mirror are respectively arranged between the first heat radiation plate 11 and the second heat radiation plate 12;

the heat dissipation fan 7 is arranged on the inner wall of the first heat dissipation plate 11, and an air outlet of the heat dissipation fan 7 is arranged towards the second heat dissipation plate 12;

the projector optical machine provided by the utility model has the advantages that the air flow blown out from the heat radiation fan 7 positioned on the inner part of the first heat radiation plate 11 sequentially passes through the lens module 4, the image display module 3 and the second heat radiation plate 12 from bottom to top, so that the whole air flow penetrates through the whole optical machine from bottom to top, and the purpose of fully radiating heat is achieved.

In the embodiment, the upper and lower edges of the left side of the lens module 4 are respectively provided with a sealing plate 13, each edge of the sealing plate 13 is in sealing connection with the inner wall of the shell 1, the left side surface of the lens module 4 and the right surface of the reflector 6,

the clearance between lens module 4, image display module 3 and casing 1 forms first wind path, the clearance between casing 1 lateral wall that is located the reflector 6 left side and reflector 6 forms the second wind path, the wind that is blown out by radiator fan 7 passes through first wind path from bottom to top in proper order, lens module 4 and image display module 3, first wind path, second heating panel 12, the second wind path, first heating panel 11 get back to radiator fan 7 again and form a circulation heat dissipation wind path structure, just so can be timely and furthest with the inside heat dissipation that produces of ray apparatus go out, in order to guarantee the permanent stable work of whole ray apparatus.

In this embodiment, the lens module 4 includes a lens support 31 and a lens, the upper and lower ends of the lens support 31 are respectively provided with a vent hole, the vent hole at the lower end of the lens support 31 is provided with an air guide component 32, the vent hole at the upper end of the lens support 31 is provided with an air outlet component 33, the air guide component 32 and the air outlet component 33 are respectively communicated with the inside of the lens support 31, the lens is respectively arranged in the left and right ends of the lens support 31, the air guide component 32 guides the air flow blown out by the heat dissipation fan 7 into the lens support 31, and takes away the heat generated by the lens and is guided out by the air outlet component 33.

In this embodiment, the air guide assembly 32 includes an air guide plate 321, the air guide plate 321 is inserted in the ventilation hole, a plurality of air dividing plates 322 are fixedly installed on the air guide plate 321, and left ends of the plurality of air dividing plates 322 are fixedly connected with the lens bracket 31 respectively;

the air outlet component 33 comprises a plurality of air outlet bins 331, the plurality of air outlet bins 331 are arranged in the ventilation holes at intervals, the bottom end of each air outlet bin 331 is provided with an air inlet, the air inlet of each air outlet bin 331 is communicated with the inside of the lens support 31, the left side wall of each air outlet bin 331 is provided with an air outlet, the upper right corner of each air outlet bin 331 is provided with a round corner, so that wind flowing through the air outlet bins 331 stably and smoothly flows, and the phenomenon of turbulent flow is avoided;

preferably, the right side wall of the heat dissipation fan 7 is provided with an air outlet, the first heat dissipation plate 11 is provided with an arc groove 111, so that the wind flowing through the air outlet is smooth and steady, the phenomenon of turbulence is avoided, the arc groove 111 is close to the air outlet on the heat dissipation fan 7, the lower end of the air deflector 321 provided with a plurality of fixing plates 112 in the arc groove 111 is of a bending structure, the bending concave surface of the lower end of the air deflector 321 is arranged towards the air outlet of the heat dissipation fan 7, the edge of the air deflector 321 far away from one end of the lens bracket 31 is provided with a plurality of grooves, one end of the fixing plates 112 far away from the arc groove 111 is correspondingly blocked in the plurality of grooves,

a plurality of transverse radiating fins 113 are respectively arranged on the inner walls of the first radiating plate 11 and the second radiating plate 12, arc-shaped grooves 114 are arranged on the radiating fins 113 on the second radiating plate 12, an air outlet bin 331 is fixedly arranged in the arc-shaped grooves 114,

the image display module 3 is arranged above the arc-shaped groove 111 and is in contact with the radiating fins 113 on the second radiating plate 12;

further, the lenses arranged at the left and right ends of the lens support 31 are respectively a second lens 34 and a liquid crystal screen 35, the image display module 3 comprises a reflective polarizer 41 and a first lens 42 which are arranged at intervals left and right, the inner walls of the front and rear side walls of the shell 1 are respectively provided with a lens support clamping groove, a reflective polarizer clamping groove and a first lens clamping groove, and the lens support 31, the reflective polarizer 41 and the first lens 42 are respectively and correspondingly arranged in the lens placing frame clamping groove, the reflective polarizer clamping groove and the first lens clamping groove;

through the structural design, the air from the air outlet of the heat radiation fan 7 flows upwards through the arc-shaped groove 111, wherein a part of the air is intercepted by the air deflector 321 and guided to the vent hole at the lower end of the lens bracket 31 through the bent concave surface of the air deflector 321, then enters the inside of the lens bracket 31 to take away the heat generated by the second lens 34 and the liquid crystal screen 35, enters the air outlet bin 331 through the vent hole at the upper end of the lens bracket 31, and flows leftwards from the air outlet of the air outlet bin 331 in a direction parallel to the radiating fins on the inner wall of the second radiating plate 8;

the part of the wind from the air outlet of the heat radiation fan 7, which is not intercepted by the air deflector 321, flows upwards along the gap between the arc-shaped groove 111 and the curved convex surface of the air deflector 321, flows upwards through the reflective polarizer 41 and the first lens 42 and takes away the heat generated by the reflective polarizer 41 and the first lens, and finally flows leftwards in the direction parallel to the radiating fins on the inner wall of the second radiating plate 8, so that the wind flowing out of the reflective polarizer 41 and the first lens 42 and the wind flowing out of the air outlet bin 331 flow leftwards in parallel to each other, and the phenomenon of mutual interference between the two wind is avoided to influence the heat radiation effect.

In the present embodiment, a radiator 8 is further provided on the outer side wall of the bottom surface of the housing 1, the radiator 8 includes a heat radiation substrate 81, a radiator fan 82, a heat conduction pipe 83 and a plurality of heat radiation fins 84 arranged at intervals,

the heat dissipation substrate 81 is arranged on the outer side wall of the light source assembly 5, the first heat dissipation plate 11, the radiator fan 82 and the heat dissipation fins 84 are arranged side by side from left to right in sequence, one end of the heat conduction pipe 83 is inserted into the plurality of heat dissipation fins 84, the other end of the heat conduction pipe is connected with the heat dissipation substrate 81, and therefore the wind direction blown out by the radiator fan is blown to the heat dissipation fins 84 right, and heat generated during the working of the light source assembly 5 through the heat conduction pipe 83 and the heat dissipation substrate 81 can be dissipated, so that long-term stable working of the whole light machine is guaranteed.

The utility model also provides a projector, which comprises a shell and is characterized by further comprising the optical machine with the upper and lower heat dissipation air path structures, wherein the optical machine with the upper and lower heat dissipation air path structures is arranged in the shell.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The light machine with the upper and lower heat dissipation air path structures comprises a shell (1), wherein a lens (2) is arranged on the front side wall of the shell (1), and the light machine is characterized in that a lens module (4) and an image display module (3) are arranged in the inner cavity of the shell (1) at left and right intervals, a light source component (5) is arranged on the side wall of the shell (1) positioned on the right side of the image display module (3), a reflector (6) is arranged on the inner wall of the shell (1) positioned on the left side of the lens module (4), and light rays emitted by the light source module are reflected to the lens (2) through the image display module (3), the lens module (4) and the reflector (6) to be projected;

the lens module (4), the image display module (3) and the reflecting mirror are respectively arranged between the first radiating plate (11) and the second radiating plate (12);

the cooling fan (7) is arranged on the inner wall of the first cooling plate (11), and an air outlet of the cooling fan (7) is arranged towards the second cooling plate (12).

2. The optical engine with the upper and lower heat dissipation air path structures according to claim 1, wherein the upper and lower end edges of the left side of the lens module (4) are respectively provided with a sealing plate (13), the edges of the sealing plates (13) are correspondingly connected with the inner wall of the shell (1), the left side surface of the lens module (4) and the right surface of the reflector (6) in a sealing way,

the lens module (4) the clearance between image display module (3) with casing (1) forms first air path, is located the clearance between casing (1) lateral wall and reflector (6) of reflector (6) left side forms the second air path, and the wind that is blown out by radiator fan (7) is passed through in proper order first air path, lens module (4) and image display module (3), first air path, second heating panel (12), second air path, first heating panel (11) return to radiator fan (7).

3. The optical engine with the upper and lower heat dissipation air path structures according to claim 2, wherein the lens module (4) comprises a lens support (31) and lenses, vent holes are respectively formed in the upper end and the lower end of the lens support (31), an air guide component (32) is arranged at the vent hole of the lower end of the lens support (31), an air outlet component (33) is arranged at the vent hole of the upper end of the lens support (31), the air guide component (32) and the air outlet component (33) are respectively communicated with the inside of the lens support (31), and the lenses are respectively arranged in the inside of the left end and the right end of the lens support (31).

4. A light machine with an up-down heat radiation air path structure according to claim 3, wherein the air guide assembly (32) comprises an air guide plate (321), the air guide plate (321) is inserted into the ventilation hole, a plurality of air dividing plates (322) are fixedly arranged on the air guide plate (321), and the left ends of the plurality of air dividing plates (322) are fixedly connected with the lens support (31) respectively;

the air outlet assembly (33) comprises a plurality of air outlet bins (331), the air outlet bins (331) are arranged in the ventilation holes at intervals, an air inlet is formed in the bottom end of each air outlet bin (331), the air inlet of each air outlet bin (331) is communicated with the inside of the lens support (31), an air outlet is formed in the left side wall of each air outlet bin (331), and the upper right corner of each air outlet bin (331) is provided with a round corner.

5. The bare engine with upper and lower heat dissipation wind path structure according to claim 4, wherein the right side wall of the heat dissipation fan (7) is provided with an air outlet, the first heat dissipation plate (11) is provided with an arc groove (111), the arc groove (111) is close to the air outlet on the heat dissipation fan (7), a plurality of fixing plates (112) are arranged in the arc groove (111), the lower end of the wind deflector (321) is of a curved structure, the curved concave surface of the lower end of the wind deflector (321) faces the air outlet of the heat dissipation fan (7), the edge of the wind deflector (321) far away from one end of the lens bracket (31) is provided with a plurality of grooves, a plurality of fixing plates (112) are correspondingly blocked in a plurality of grooves far away from one end of the arc groove (111),

a plurality of transverse radiating fins (113) are respectively arranged on the inner walls of the first radiating plate (11) and the second radiating plate (12), arc-shaped grooves (114) are formed on the radiating fins (113) on the second radiating plate (12), the air outlet bin (331) is fixedly arranged in the arc-shaped grooves (114),

the image display module (3) is arranged above the arc-shaped groove (111) and is abutted against the radiating fins (113) on the second radiating plate (12).

6. The optical engine with the upper and lower heat dissipation air path structures according to claim 5, wherein lenses arranged at the left end and the right end of the lens support (31) are respectively a second lens (34) and a liquid crystal screen (35), the image display module (3) comprises a reflective polarizer (41) and a first lens (42) which are arranged at left and right intervals, lens support clamping grooves, reflective polarizer clamping grooves and first lens clamping grooves are respectively arranged on the inner walls of the front side wall and the rear side wall of the shell (1), and the lens support (31), the reflective polarizer (41) and the first lens (42) are respectively and correspondingly arranged in the lens placing frame clamping grooves, the reflective polarizer clamping grooves and the first lens clamping grooves.

7. The bare engine with the structure of the upper and lower heat dissipation air paths according to claim 2, wherein the outer side wall of the bottom surface of the shell (1) is also provided with a radiator (8), the radiator (8) comprises a heat dissipation substrate (81), a radiator fan (82), a heat conduction pipe (83) and a plurality of heat dissipation fins (84) which are arranged at intervals,

the heat dissipation substrate (81) is arranged on the outer side wall of the light source assembly (5), the first heat dissipation plate (11), the radiator fan (82) and the heat dissipation fins (84) are arranged side by side from left to right in sequence, one end of the heat conduction pipe (83) is inserted into the plurality of heat dissipation fins (84), and the other end of the heat conduction pipe is connected with the heat dissipation substrate (81).

8. A projector comprising a housing, and further comprising a light engine having an up-and-down heat dissipation air path structure according to any one of claims 1 to 7, wherein the light engine having the up-and-down heat dissipation air path structure is disposed inside the housing.