CN216561377U - Novel projector - Google Patents
Novel projector Download PDFInfo
- Publication number
- CN216561377U CN216561377U CN202123431195.XU CN202123431195U CN216561377U CN 216561377 U CN216561377 U CN 216561377U CN 202123431195 U CN202123431195 U CN 202123431195U CN 216561377 U CN216561377 U CN 216561377U
- Authority
- CN
- China
- Prior art keywords
- light source
- heat exchanger
- imaging system
- fan
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003384 imaging method Methods 0.000 claims abstract description 58
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- 230000003287 optical effect Effects 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims description 40
- 239000011521 glass Substances 0.000 claims description 15
- 239000004973 liquid crystal related substance Substances 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 2
- 241000276498 Pollachius virens Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Landscapes
- Projection Apparatus (AREA)
Abstract
The utility model provides a novel projector which comprises a shell with openings at two ends, a light source system, a light source collector, an imaging system, a lens, a fan and a heat exchange radiator, wherein the light source system, the light source collector and the imaging system are sequentially arranged along an optical axis; the camera lens is arranged at the lower left corner of the imaging system, the fan is arranged below the imaging system, the heat exchange radiator comprises a first heat exchanger and a second heat exchanger, the first heat exchanger and the second heat exchanger are arranged outside the light source system, the light source collector and the imaging system, the second heat exchanger is arranged outside the fan, the inner walls of the first heat exchanger and the second heat exchanger are respectively communicated with the inner cavity of the shell, and the fan, the imaging system, the first heat exchange radiator, the imaging system and the second heat exchanger are communicated in sequence to form an inner circulation airflow channel; each part of the whole machine is structurally designed again to obtain better heat dissipation effect.
Description
Technical Field
The utility model relates to the technical field of projectors, in particular to a novel projector.
Background
A single chip liquid crystal projector is a projector which uses a full color TFT liquid crystal screen as a light valve, uses a Kohler lighting system with certain design, consists of a light source, a condenser lens, a front Fresnel lens, a liquid crystal screen, a rear Fresnel lens, a lens and the like, and forms images by projection and amplification. Since the end of the last 80 s and the beginning of the 90 s, many of the shortcomings, such as volume, luminous flux output, appearance, color, quality stability, etc., have been improved over the years of history that has been experienced.
However, since the transmittance of the liquid crystal screen is only 5-7% (depending on the manufacturer and model of the liquid crystal screen), the efficiency is only 5-7%, and the remaining 93-95% of light is totally concentrated on the liquid crystal screen and absorbed by the liquid crystal screen (about 1% of light is reflected by the liquid crystal screen), and is reflected in the form of heat, the temperature of the liquid crystal screen is very high, and forced heat dissipation by a fan is required to ensure that the temperature of the liquid crystal screen is lower than 70 ℃, so that the heat dissipation system of the existing projector is required to be improved in order to ensure that the temperature of the liquid crystal screen is lower than 70 ℃.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, the present invention provides a novel projector, which obtains a better heat dissipation effect by performing a new structural design on each component of the whole projector.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a novel projector comprises a shell with openings at two ends, a light source system, a light source collector, an imaging system, a lens, a fan and a heat exchange radiator, wherein the light source system, the light source collector and the imaging system are sequentially arranged along an optical axis; the camera lens is arranged at the lower left corner of the imaging system, the fan is arranged below the imaging system, the heat exchange radiator comprises a first heat exchanger and a second heat exchanger, the first heat exchanger is arranged outside the light source system, the light source collector and the imaging system, the second heat exchanger is arranged outside the fan, inner walls of the first heat exchanger and the second heat exchanger are respectively communicated with an inner cavity of the shell, and the fan, the imaging system, the first heat exchange radiator, the imaging system and the second heat exchanger are sequentially communicated to form an inner circulation airflow channel.
In one embodiment, the imaging system comprises a condensing lens, a heat insulation glass, a display screen, an imaging lens and a reflector which are sequentially arranged along an optical axis, wherein the reflector is arranged above the lens and on the left side of the imaging lens in an inclined mode.
In one embodiment, a first ventilation air duct is formed between the condenser lens and the heat insulation glass; a second ventilation air channel is formed between the heat insulation glass and the display screen; a third ventilation air channel is formed by gaps among the light source system, the light source collector and the imaging system and the first heat exchanger, and a fourth ventilation air channel is formed between the display screen and the imaging lens; one end of the first ventilation air channel and one end of the second ventilation air channel are communicated with the air outlet of the fan, and the other ends of the first ventilation air channel and the second ventilation air channel are communicated with the third ventilation air channel, the fourth ventilation air channel and the air inlet of the fan in sequence to form the internal circulation airflow channel.
In one embodiment, an incident polarizer is arranged on the heat-insulating glass, and an emergent polarizer is arranged on the display screen.
In one embodiment, the condensing lens and the imaging lens are fresnel lenses, and the display screen is a liquid crystal screen.
In one embodiment, the light source system further comprises a light source heat sink arranged on one side of the light source system.
In one embodiment, the lighting system further comprises a heat dissipation fan, wherein the heat dissipation fan is located between the light source heat sink and the light source system.
Compared with the prior art, the novel projector provided by the utility model comprises a shell with openings at two ends, a light source system, a light source collector and an imaging system which are sequentially arranged along an optical axis, a lens, a fan and a heat exchange radiator, wherein the light source collector and the imaging system are arranged in the shell; the camera lens sets up the lower left corner at imaging system, the fan sets up the below at imaging system, the heat exchange radiator is including setting up at light source system, the outside first heat exchanger of light source collector and imaging system and the setting is at the outside second heat exchanger of fan, first heat exchanger and second heat exchanger's inner wall communicates with the inner chamber of casing respectively, the fan, imaging system, first heat exchange radiator, imaging system and second heat exchanger switch-on in proper order are in order to constitute inner loop airflow channel, make light source system from this, light source collector and imaging system can obtain better radiating effect, the projection effect of whole projecting apparatus has been guaranteed, the working life of whole projecting apparatus has also been prolonged simultaneously.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and the like are used in the indicated orientations and positional relationships based on the orientation shown in the drawings for convenience in describing the utility model and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in FIG. 1, for convenience of description, the "up", "down", "left", "right", "front" and "back" orientation references in the present invention are based on the orientation shown in FIG. 1;
a novel projector comprises a shell 1 with openings at two ends, a light source system 2, a light source collector 3, an imaging system 4, a lens 5, a fan 6 and a heat exchange radiator, wherein the light source system 2, the light source collector 3 and the imaging system 4 are sequentially arranged along an optical axis; the lens 5 is arranged at the lower left corner of the imaging system 4, the fan 6 is arranged below the imaging system 4, the heat exchange radiator comprises a first heat exchanger 71 and a second heat exchanger 72, the first heat exchanger 71 and the second heat exchanger 72 are arranged outside the light source system 2, the light source collector 3 and the imaging system 4, the second heat exchanger 72 is arranged outside the fan 6, inner walls of the first heat exchanger 71 and the second heat exchanger 72 are respectively communicated with an inner cavity of the shell 1, and the fan 6, the imaging system 4, the first heat exchange radiator 1, the imaging system 4 and the second heat exchanger 72 are communicated in sequence to form an inner circulation airflow channel.
The imaging system 4 includes a condensing lens 41, a heat insulation glass 42, a display screen 43, an imaging lens 44 and a reflector 45, which are sequentially arranged along an optical axis, and the reflector 45 is disposed above the lens 5 and on the left side of the imaging lens 44 and is disposed obliquely, so that light from the light source system 2 and the light source collector 3 sequentially passes through the condensing lens 41, the heat insulation glass 42, the display screen 43, the imaging lens 44 and then is reflected to the lens 5 through the reflector 45, and finally is projected onto a curtain or other imageable plane through the lens 5, thereby achieving the purpose of projection operation.
In the present embodiment, the first ventilation duct 8 is formed between the condenser lens 41 and the heat insulating glass 42; a second ventilation duct 9 is formed between the heat insulation glass 42 and the display screen 43; a third ventilation air duct 10 is formed by gaps among the light source system 2, the light source collector 3, the imaging system 4 and the first heat exchanger 71, and a fourth ventilation air duct 11 is formed between the display screen 43 and the imaging lens 44; the lower ends of the first ventilation air duct 8 and the second ventilation air duct 9 are communicated with the air outlet of the fan 6, the other ends of the first ventilation air duct 8 and the second ventilation air duct 9 are communicated with the air inlets of the third ventilation air duct 10, the fourth ventilation air duct 11 and the fan 6 in sequence to form an internal circulation air flow passage, therefore, the air blown by the fan 6 firstly enters the lower ends of the first ventilation air duct 8 and the second ventilation air duct 9 through the lower ends of the first ventilation air duct 8 and the second ventilation air duct 9, then the air is discharged from the upper ends of the first ventilation air duct 8 and the second ventilation air duct 9, meanwhile, the heat on the surfaces of the condensing lens 41, the heat insulation glass 42 and the display screen 43 is taken away, then the air enters the third ventilation air duct 10, the heat on the surfaces of the condensing lens 41, the heat insulation glass 42 and the display screen 43 is emitted under the action of the first heat exchanger 71, and then the air flow from the fan flows into the upper end of the fourth ventilation air duct 11 leftwards, then, the air flows downwards to the lower end of the fourth ventilation air duct 11 and flows back to the fan, when the air flow passes through the fourth ventilation air duct 11, the heat on the surfaces of the display screen 43 and the imaging lens 44 is taken away to the second heat exchanger 72, and the heat is dissipated under the action of the second heat exchanger 72, so that the steps are repeated in sequence, and the light source system 2, the light source collector 3 and the imaging system 4 can obtain a better heat dissipation effect.
In this embodiment, an incident polarizer is disposed on the insulating glass 42, an exit polarizer is disposed on the display screen 43, the condensing lens 41 and the imaging lens 44 are fresnel lenses, respectively, and the display screen 43 is a liquid crystal screen.
In this embodiment, the projector further includes a light source heat sink 12 and a heat dissipation fan 13, the light source heat sink 12 is disposed below the light source system 2, the heat dissipation fan 13 is disposed between the light source heat sink 12 and the light source system 2, and heat generated inside the whole apparatus is dissipated through the light source heat sink 12 and the heat dissipation fan 13, so as to ensure normal operation of the whole projector.
The novel projector that this embodiment provided adopts both ends open-ended casing 1, light source system 2, light source collector 3 and imaging system 4 and camera lens 5, fan 6 and heat exchange radiator that arrange in proper order along the optical axis, and the ray apparatus adopts seal structure, and is dustproof, prevent that the highlight leaks outward, and inside heat adopts inside fan + inside and outside exchange radiator, reaches inside radiating effect, has low in manufacturing cost, the dustproof effectual advantage of heat dissipation simultaneously.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A novel projector is characterized by comprising a shell with openings at two ends, a light source system, a light source collector and an imaging system which are sequentially arranged along an optical axis, a lens, a fan and a heat exchange radiator, wherein the light source collector and the imaging system are arranged in the shell; the camera lens is arranged at the lower left corner of the imaging system, the fan is arranged below the imaging system, the heat exchange radiator comprises a first heat exchanger and a second heat exchanger, the first heat exchanger is arranged outside the light source system, the light source collector and the imaging system, the second heat exchanger is arranged outside the fan, inner walls of the first heat exchanger and the second heat exchanger are respectively communicated with an inner cavity of the shell, and the fan, the imaging system, the first heat exchange radiator, the imaging system and the second heat exchanger are sequentially communicated to form an inner circulation airflow channel.
2. The novel projector as claimed in claim 1, wherein the imaging system includes a condensing lens, a heat insulating glass, a display screen, an imaging lens and a reflector, which are arranged in sequence along the optical axis, and the reflector is disposed above the lens and on the left side of the imaging lens and is disposed obliquely.
3. The novel projector as claimed in claim 2, wherein a first ventilation duct is formed between the condensing lens and the heat insulating glass; a second ventilation air channel is formed between the heat insulation glass and the display screen; a third ventilation air channel is formed by gaps among the light source system, the light source collector and the imaging system and the first heat exchanger, and a fourth ventilation air channel is formed between the display screen and the imaging lens; one end of the first ventilation air channel and one end of the second ventilation air channel are communicated with the air outlet of the fan, and the other ends of the first ventilation air channel and the second ventilation air channel are communicated with the third ventilation air channel, the fourth ventilation air channel and the air inlet of the fan in sequence to form the internal circulation airflow channel.
4. The novel projector as claimed in claim 3, wherein an incident polarizer is disposed on the insulating glass, and an emergent polarizer is disposed on the display screen.
5. The novel projector as claimed in claim 4, wherein the condensing lens and the imaging lens are each a Fresnel lens, and the display screen is a liquid crystal screen.
6. The novel projector as claimed in any one of claims 1 to 5, further comprising a light source heat sink disposed on one side of the light source system.
7. The new projector as claimed in claim 6, further comprising a heat dissipation fan located between the light source heat sink and the light source system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123431195.XU CN216561377U (en) | 2021-12-30 | 2021-12-30 | Novel projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123431195.XU CN216561377U (en) | 2021-12-30 | 2021-12-30 | Novel projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216561377U true CN216561377U (en) | 2022-05-17 |
Family
ID=81560023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123431195.XU Active CN216561377U (en) | 2021-12-30 | 2021-12-30 | Novel projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216561377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024082479A1 (en) * | 2022-10-18 | 2024-04-25 | 京东方科技集团股份有限公司 | Projection apparatus |
-
2021
- 2021-12-30 CN CN202123431195.XU patent/CN216561377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024082479A1 (en) * | 2022-10-18 | 2024-04-25 | 京东方科技集团股份有限公司 | Projection apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101203803B (en) | Projector system having cooling fan | |
| JP5561401B2 (en) | projector | |
| JP2009258622A (en) | Projector | |
| CN109634031B (en) | Full-sealed liquid crystal projection optical machine device with efficient heat dissipation function | |
| CN101377613A (en) | Projection device and heat radiation method | |
| CN216561377U (en) | Novel projector | |
| CN107172405B (en) | Color wheel device and its light source equipment and optical projection system | |
| JP2007316626A (en) | Projection type video display device | |
| CN101285996A (en) | Projection device and lamp source module | |
| CN201177724Y (en) | Projector cooling construction | |
| CN109643047A (en) | Image projection device | |
| CN216351743U (en) | Optical machine heat radiation structure and projector | |
| CN115128889A (en) | High-brightness full-sealed optical machine and projector | |
| CN212276202U (en) | Projector | |
| CN211207054U (en) | Dustproof cooling system of inside and outside circulation of projecting apparatus | |
| CN209879239U (en) | Projection device | |
| CN112068388B (en) | Projection device | |
| CN217821231U (en) | LCD heating panel and have projecting apparatus of this LCD heating panel | |
| CN114594647B (en) | Projection ray apparatus and projection equipment | |
| CN217821229U (en) | High-brightness full-sealed optical machine and projector | |
| JP2021021783A (en) | Optical housing, and projection type display device including the same | |
| CN217443724U (en) | Projection optical machine and projection equipment | |
| CN216901303U (en) | Single-chip liquid crystal projector | |
| CN214704285U (en) | Novel projector ray apparatus cooling system | |
| CN220064596U (en) | Double-turbine radiating large-off-axis direct projection type projector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of projector Granted publication date: 20220517 Pledgee: Agricultural Bank of China Limited Hunan Xiangjiang New Area Branch Pledgor: CHANGSHA CRE ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2024980009145 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |