CN222125609U - Optical-mechanical assembly of a projection device - Google Patents
Optical-mechanical assembly of a projection device Download PDFInfo
- Publication number
- CN222125609U CN222125609U CN202420744314.1U CN202420744314U CN222125609U CN 222125609 U CN222125609 U CN 222125609U CN 202420744314 U CN202420744314 U CN 202420744314U CN 222125609 U CN222125609 U CN 222125609U
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- China
- Prior art keywords
- heat
- heat conducting
- light source
- base plate
- fixedly connected
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims description 22
- 238000009423 ventilation Methods 0.000 claims description 17
- 238000003384 imaging method Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract 3
- 239000012790 adhesive layer Substances 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Projection Apparatus (AREA)
Abstract
The utility model relates to a projection equipment technical field, specifically is an optical machine component of projection equipment, the utility model discloses a casing, the inside light source that is provided with of casing, one side fixedly connected with heat conduction base plate of light source, one side fixedly connected with a plurality of fixed plates of heat conduction base plate, parallel arrangement between a plurality of fixed plates forms the heat dissipation wind channel between two arbitrary adjacent fixed plates, the utility model discloses a be connected together light source and heat conduction base plate to the base plate is connected through heat conduction copper sheet and heat radiation fin for the heat of light source can be conducted to heat radiation fin department and dispel the heat, and when cooperation heat radiation fan started, because be connected through the fixed plate between heat conduction base plate and the casing, the air current can pass through in the heat dissipation wind channel from, makes the air current pass through the light source outside and one side of heat conduction base plate simultaneously, can take away the partial heat of light source and heat conduction base plate simultaneously, can promote the heat-sinking capability of light source department by a wide margin.
Description
Technical Field
The utility model relates to the technical field of projection equipment, in particular to an optical-mechanical assembly of the projection equipment.
Background
A projector, also called a projector, is a device that can project images or videos onto a curtain, and is widely used in homes, offices, schools, and entertainment venues.
In the prior art, a full-sealed bare engine of a highlight monolithic liquid crystal projector as proposed in patent application number CN202021863562.6 comprises a shell, a light source system, an imaging system, a lens, an internal circulation fan and a cold and heat exchanger, wherein the light source system, the imaging system, the lens, the internal circulation fan and the cold and heat exchanger are sequentially arranged in the shell, and the imaging system comprises a first lens, heat insulation glass, a display screen and a second lens which are sequentially arranged.
However, the light machine of the projection device in the prior art lacks the heat dissipation capability of the light source, and after long-time projection, a large amount of heat is generated at the light source to increase the temperature in the light machine, so that the heat dissipation of an imaging system in the light machine is affected, and the projection performance of the projection device is affected.
Disclosure of utility model
The present utility model is directed to an optical-mechanical assembly of a projection device, so as to solve the above-mentioned problems.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a ray apparatus subassembly of projection equipment, includes the casing, the inside light source that is provided with of casing, one side fixedly connected with heat conduction base plate of light source, one side fixedly connected with a plurality of fixed plates of heat conduction base plate, parallel arrangement between a plurality of fixed plates forms the heat dissipation wind channel between two arbitrary adjacent fixed plates, has seted up the louvre on the fixed plate, and one side and the internal surface fixed connection of casing of heat conduction base plate are kept away from to the fixed plate.
The heat conducting base plate is characterized in that radiating fins are fixedly arranged on the outer surface of the shell, two heat conducting copper sheets are fixedly connected to one side, close to the fixing plate, of the heat conducting base plate, the two heat conducting copper sheets are symmetrically arranged, one end of each heat conducting copper sheet penetrates through the shell and extends to the outside of the shell, one end, located outside the shell, of each heat conducting copper sheet is fixedly connected with the radiating fins, and the heat conducting copper sheets are used for conducting heat of the heat conducting base plate to the radiating fins.
Preferably, the outer surface of the light source is provided with a heat conducting adhesive layer, the outer surface of the heat conducting adhesive layer is fixedly connected with a heat conducting ring, and the heat conducting ring and the heat conducting adhesive layer are fixedly connected to one side of the heat conducting substrate.
Preferably, the shell is fixedly connected with a fixing frame, an imaging system is arranged on the inner surface of the fixing frame, and the imaging system comprises a first Fresnel lens, a first polaroid, an LCD, a second polaroid and a second Fresnel lens which are sequentially arranged.
Preferably, a plurality of ventilation slots are formed in one side of the fixed frame, a plurality of ventilation holes are formed in the inner surface of the fixed frame, and the ventilation holes are communicated with the ventilation slots.
Preferably, the shell is fixedly connected with a reflector, and the shell is fixedly provided with a lens.
Preferably, a cooling fan is fixedly arranged on the inner wall of the shell and positioned on one side of the reflecting mirror, and a cold-heat exchanger matched with the cooling fan is fixedly arranged on the outer surface of the shell.
The utility model has the beneficial effects that:
according to the utility model, the light source and the heat conducting substrate are connected together, and the substrate is connected with the heat radiating fins through the heat conducting copper sheets, so that the heat of the light source can be conducted to the heat radiating fins for radiating, when the heat radiating fan is matched, because the heat conducting substrate is connected with the shell through the fixing plate, air flow can pass through the heat radiating air duct, so that the air flow passes through the outer side of the light source and one side of the heat conducting substrate at the same time, part of the heat of the light source and the heat conducting substrate can be taken away at the same time, and the heat radiating capability of the light source can be greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram illustrating the connection of the heat sink fins of the light source of FIG. 1 according to the present utility model;
FIG. 3 is a side view of the thermally conductive substrate of FIG. 2 in accordance with the present utility model;
fig. 4 is a schematic view of the structure of the fixing frame of fig. 1 according to the present utility model.
Reference numerals in the drawings are as follows:
1. The LED lamp comprises a shell, 101, a light bucket, 2, a light source, 3, a heat conducting substrate, 4, a fixing plate, 401, a heat radiating air duct, 402, a heat radiating hole, 5, a heat radiating fin, 6, a heat conducting copper sheet, 7, a heat conducting adhesive layer, 701, a heat conducting ring, 8, a fixing frame, 9, a first Fresnel lens, 10, a first polaroid, 11, an LCD,12, a second polaroid, 13, a second Fresnel lens, 14, a ventilation notch, 15, a ventilation hole, 16, a reflector, 17, a lens, 18, a heat radiating fan, 19 and a cold-heat exchanger.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a projection equipment's ray apparatus subassembly, includes casing 1, casing 1 is inside to be provided with light source 2, one side fixedly connected with heat conduction base plate 3 of light source 2, one side fixedly connected with a plurality of fixed plates 4 of heat conduction base plate 3, parallel arrangement between a plurality of fixed plates 4 forms heat dissipation wind channel 401 between arbitrary two adjacent fixed plates 4, has seted up louvre 402 on the fixed plate 4, one side and the internal surface fixed connection of casing 1 of heat conduction base plate 3 are kept away from to fixed plate 4.
The heat conducting base plate 3 is characterized in that the outer surface of the shell 1 is fixedly provided with the heat radiating fins 5, one side, close to the fixing plate 4, of the heat conducting base plate 3 is fixedly connected with two heat conducting copper sheets 6, the two heat conducting copper sheets 6 are symmetrically arranged, one end of each heat conducting copper sheet 6 penetrates through the shell 1 and extends to the outside of the shell 1, one end of each heat conducting copper sheet 6 located outside the shell 1 is fixedly connected with the heat radiating fins 5, and the heat conducting copper sheets are used for conducting heat of the heat conducting base plate 3 to the heat radiating fins 5.
As shown in fig. 1, a casing 1 is a closed casing, air flow interaction is not generated between the inside and the outside of the casing 1, and an electric connection port is arranged outside the casing 1 and can be connected with an external power supply to supply power to electronic elements inside the casing 1.
The surface of the light source 2 is provided with a heat conducting adhesive layer 7, the outer surface of the heat conducting adhesive layer 7 is fixedly connected with a heat conducting ring 701, and the heat conducting ring 701 and the heat conducting adhesive layer 7 are fixedly connected to one side of the heat conducting substrate 3.
As shown in fig. 1 and 2, the heat conducting glue layer 7 is used to cover the light source 2, so that heat conduction to the surface of the light source 2 is more convenient, and heat generated by the light source 2 is more quickly conducted to the heat conducting ring 701 and the heat conducting substrate 3.
The inner surface of the fixed frame 8 is provided with an imaging system, and the imaging system comprises a first Fresnel lens 9, a first polaroid 10, an LCD11, a second polaroid 12 and a second Fresnel lens 13 which are sequentially arranged.
As shown in fig. 1, a light tunnel 101 is disposed between a light source 2 and a first fresnel lens 9, the first fresnel lens 9, a first polarizer 10, an LCD11, a second polarizer 12 and a second fresnel lens 13 are all fixed in a fixed frame 8, the first fresnel lens 9 is located at one side close to the light source 2, and the light source generated by the light source 2 sequentially passes through the light tunnel 101, the first fresnel lens 9, the first polarizer 10, the LCD11, the second polarizer 12 and the second fresnel lens 13, and then is reflected by a reflecting mirror 16 to be projected to the outside from a lens 17.
A plurality of ventilation slots 14 are formed in one side of the fixed frame 8, a plurality of ventilation holes 15 are formed in the inner surface of the fixed frame 8, and the ventilation holes 15 are communicated with the ventilation slots 14.
As shown in fig. 1 and fig. 4, by forming the ventilation slot 14 on the fixed frame 8, when the cooling fan 18 drives the air flow inside the housing 1 to flow, the air flow can enter the position of the light source 2 through the fixed frame 8 and also can enter the imaging system through the ventilation hole 15 to perform auxiliary heat dissipation.
The inside of the shell 1 is fixedly connected with a reflecting mirror 16, and the shell 1 is fixedly provided with a lens 17.
A cooling fan 18 is fixedly arranged on the inner wall of the shell 1 and positioned on one side of the reflecting mirror 16, and a cold and heat exchanger 19 matched with the cooling fan 18 is fixedly arranged on the outer surface of the shell 1.
As shown in fig. 1, the heat exchanger 19 can accelerate the heat exchange of the hot air flow in the housing 1, so that the optical-mechanical assembly of the projection device has better heat dissipation effect.
The working principle of the optical-mechanical component of the projection equipment provided by the utility model is as follows:
The heat generated by the light source 2 is conducted to the heat radiating substrate 3 and the heat conducting adhesive layer 7, the heat conducting adhesive layer 7 conducts the heat to the heat radiating substrate 3 and the heat conducting ring 701, the heat of the heat conducting substrate 3 is conducted to the heat conducting copper sheet 6, and then the heat radiating fins 5 are conducted through the heat conducting copper sheet 6 to radiate heat;
When the heat dissipation fan 18 is started to drive the air flow to flow in the shell 1, the air flow can pass through the fixed frame 8 from the ventilation notch 14, so that the air flow enters the space where the light source 2 is located, the air flow can take away the heat of the light source 2, and meanwhile, the air flow can also pass through the heat dissipation air duct 401 on one side of the heat conduction substrate 3 far away from the light source 2, so that the heat of the heat conduction substrate 3 is taken away, and the heat conduction speed between the light source 2 and the heat conduction substrate 3 is accelerated.
Compared with the related art, the optical-mechanical assembly of the projection device provided by the utility model has the following components
The beneficial effects are that:
According to the utility model, the light source 2 and the heat conducting substrate 3 are connected together, and the substrate 3 is connected with the heat radiating fins 5 through the heat conducting copper sheet 6, so that the heat of the light source 2 can be conducted to the heat radiating fins 5 for radiating, when the heat radiating fan 18 is matched for starting, because the heat conducting substrate 3 is connected with the shell 1 through the fixing plate 4, air flow can pass through the heat radiating air duct 401, so that the air flow passes through the outer side of the light source 2 and one side of the heat conducting substrate 3 at the same time, part of the heat of the light source 2 and part of the heat conducting substrate 3 can be taken away at the same time, and the heat radiating capacity of the light source 2 can be greatly improved.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The utility model provides a ray apparatus subassembly of projection equipment, includes casing (1), its characterized in that, casing (1) inside is provided with light source (2), one side fixedly connected with heat conduction base plate (3) of light source (2), one side fixedly connected with a plurality of fixed plates (4) of heat conduction base plate (3), parallel arrangement between a plurality of fixed plates (4), form heat dissipation wind channel (401) between arbitrary two adjacent fixed plates (4), offered louvre (402) on fixed plate (4), one side and the internal surface fixed connection of casing (1) of heat conduction base plate (3) are kept away from to fixed plate (4);
The heat conducting base plate is characterized in that the outer surface of the shell (1) is fixedly provided with the heat radiating fins (5), one side, close to the fixing plate (4), of the heat conducting base plate (3) is fixedly connected with two heat conducting copper sheets (6), the two heat conducting copper sheets (6) are symmetrically arranged, one end of each heat conducting copper sheet (6) penetrates through the shell (1) and extends to the outer portion of the shell (1), one end, located in the outer portion of the shell (1), of each heat conducting copper sheet (6) is fixedly connected with the heat radiating fins (5), and the heat conducting base plate (3) is used for conducting heat to the heat radiating fins (5).
2. The optical-mechanical assembly of a projection device according to claim 1, wherein the outer surface of the light source (2) is provided with a heat conducting glue layer (7), the outer surface of the heat conducting glue layer (7) is fixedly connected with a heat conducting ring (701), and the heat conducting ring (701) and the heat conducting glue layer (7) are fixedly connected to one side of the heat conducting substrate (3).
3. The optical-mechanical assembly of a projection device according to claim 1, wherein a fixed frame (8) is fixedly connected in the housing (1), and an imaging system is arranged on the inner surface of the fixed frame (8), and comprises a first fresnel lens (9), a first polarizer (10), an LCD (11), a second polarizer (12) and a second fresnel lens (13) which are sequentially arranged.
4. A light engine assembly of a projection device according to claim 3, characterized in that a plurality of ventilation slots (14) are provided on one side of the fixed frame (8), a plurality of ventilation holes (15) are provided on the inner surface of the fixed frame (8), and the ventilation holes (15) are communicated with the ventilation slots (14).
5. The optical-mechanical assembly of a projection device according to claim 4, wherein the housing (1) is fixedly connected with a reflecting mirror (16), and a lens (17) is fixedly mounted on the housing (1).
6. The optical-mechanical assembly of a projection device according to claim 5, wherein a radiator fan (18) is fixedly mounted on the inner wall of the housing (1) and on one side of the reflector (16), and a heat-cooling exchanger (19) used in cooperation with the radiator fan (18) is fixedly mounted on the outer surface of the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420744314.1U CN222125609U (en) | 2024-04-11 | 2024-04-11 | Optical-mechanical assembly of a projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420744314.1U CN222125609U (en) | 2024-04-11 | 2024-04-11 | Optical-mechanical assembly of a projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222125609U true CN222125609U (en) | 2024-12-06 |
Family
ID=93671631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420744314.1U Active CN222125609U (en) | 2024-04-11 | 2024-04-11 | Optical-mechanical assembly of a projection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222125609U (en) |
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2024
- 2024-04-11 CN CN202420744314.1U patent/CN222125609U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |