CN211207054U - Dustproof cooling system of inside and outside circulation of projecting apparatus - Google Patents
Dustproof cooling system of inside and outside circulation of projecting apparatus Download PDFInfo
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- CN211207054U CN211207054U CN202020009451.2U CN202020009451U CN211207054U CN 211207054 U CN211207054 U CN 211207054U CN 202020009451 U CN202020009451 U CN 202020009451U CN 211207054 U CN211207054 U CN 211207054U
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- dustproof
- air
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- total reflection
- reflection mirror
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Abstract
The utility model discloses a dustproof cooling system of inside and outside circulation of projecting apparatus, which comprises a housin, install the total reflection mirror in the casing, L CD LCD screen and camera lens, L CD LCD screen opposite side is equipped with the smooth through, the smooth through rear end is equipped with L ED and L ED radiator, the casing lateral wall of camera lens one side is equipped with the fresh air inlet, the fresh air inlet inboard is equipped with dustproof cotton subassembly, casing lateral wall and camera lens that the fresh air inlet was located, be formed with first wind channel between the total reflection mirror, first wind channel end is equipped with a turbofan, turbofan's air outlet one side intercommunication has the second, the third wind channel, the second, the third wind channel is located L CD LCD screen both sides respectively, the second, third wind channel end is equipped with an axial fan, L ED radiator's radiating fin is located axial fan's the air outlet outside, L ED radiator's the casing lateral wall in the radiating fin outside is equipped with the exhaust vent.
Description
Technical Field
The utility model relates to a projecting apparatus cooling system especially relates to a dustproof cooling system of projecting apparatus inner and outer circulation.
Background
The dust of the existing single L CD projector is easy to intrude, which causes the projected picture to form a large black spot on the screen, furthermore, the LCD screen can only bear the high temperature of 75 ℃, the high temperature of 70 ℃ is limited, the liquid of the LCD screen is changed when the temperature exceeds 70 ℃, the black spot sign appears, and further the brightness is influenced, the internal high temperature of the existing projector can reach more than 90 ℃, and the high temperature of a L ED radiator can reach more than 100 ℃, however, the heat dissipation effect of the existing projector is not good enough, and the use effect and the service life of the projector are seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned not enough, provide a dustproof cooling system of projecting apparatus inner and outer circulation.
The technical scheme includes that the internal and external circulation dustproof heat dissipation system comprises a shell, a total reflection mirror is installed in the shell, a L CD liquid crystal screen and a lens are respectively arranged on two vertical planes, the plane of one side of a reflection surface of the total reflection mirror forms a 45-degree angle with the plane of the total reflection mirror, the lens is installed on the front face of the shell, the L CD liquid crystal screen is installed in the middle position inside the shell, the other side of the L CD liquid crystal screen is provided with a light passage, the rear end of the light passage is provided with L ED, <ttttranslation = L & &gl &/t &g t ED rear side is provided with a L ED radiator, the internal circulation dustproof heat dissipation system is characterized in that an air inlet hole is formed in the side wall of the shell on one side of the lens, a dustproof cotton assembly is arranged on the inner side of the air inlet hole, a first air channel is formed between the side wall of the shell side wall of the air inlet hole and the lens and the total reflection mirror, a first air channel is provided with a turbofan, the end of a turbofan, the air outlet channel is communicated with an air inlet port of the turbofan, a second air channel and a third fan are respectively arranged on the outer side wall of the CD fan, the heat dissipation fan is provided with an air outlet port of the CD fan 3875, and a second fan.
Further, the dustproof cotton assembly is fixed in a slot at the bottom in the shell and comprises a dustproof cotton support and dustproof cotton, and the dustproof cotton is fixed on the dustproof cotton support.
Further, the second air duct and the third air duct are arranged in parallel.
The utility model discloses a turbo fan inhales cold air, and filter through dustproof cotton, keep apart the dust, cold air gets into first wind channel through the fresh air inlet, blow second wind channel and the third wind channel to the LCD screen both sides through turbo fan again, reduce the LCD screen temperature fast effectively, the roast screen phenomenon can not appear, guarantee the luminance of projecting apparatus, inhale the inside high-temperature air of complete machine with axial fan at last, the discharge is hot-blast, and take away the temperature on the L ED radiator radiating fin in the lump, reduce L ED's temperature fast, guarantee L ED's power.
Compared with the prior art, the utility model the advantage is that the biggest problem of single L CD projector is dirt point, luminance low, and single L CD projector returns goods rate and reaches more than thirty percent after sale on the market, and most problems come from dirt point, luminance low adopt the utility model discloses an inside and outside circulation cooling system that prevents dust can reduce after sale, greatly reduced the dirt point defective rate, and cooling system is good, and luminance gradually increases, has solved dustproof, heat dissipation and the low lumen problem of projector.
Drawings
Fig. 1 is a schematic diagram of the internal structure of the present invention.
Fig. 2 is a schematic view of the air flow of the present invention.
Fig. 3 is a schematic front perspective view of the present invention.
Fig. 4 is a schematic diagram of a back three-dimensional structure of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, an internal and external circulation dustproof heat dissipation system includes a housing 1, a total reflection mirror 2 is installed in the housing 1, a L CD liquid crystal screen 3 and a lens 4 are respectively installed on two vertical planes at a 45-degree angle between one side of a reflection surface of the total reflection mirror 2 and a plane where the total reflection mirror 2 is located, the lens 4 is installed on the front surface of the housing 1, the L CD liquid crystal screen 3 is installed in the middle position inside the housing 1, a light ventilation 5 is installed on the other side of the L CD liquid crystal screen 3, a L ED6 is installed at the rear end of the light ventilation 5, a L ED radiator 7 is installed at the rear side of the L ED6, an air inlet hole 8 is installed on the side wall of the housing 1 on one side of the lens 4, a dustproof cotton assembly 9 is installed inside the air inlet hole 8, a first air duct 10 is formed between the side wall of the housing 1 where the air inlet hole 8 is located and the lens 4 and the total reflection mirror 2, a turbo fan 11 is installed at the end and is in butt joint with an air inlet of the turbo fan 11, a second air duct 12 and a third air duct 13 are respectively located on the outer side wall of the heat dissipation fan 11, and an air outlet port of the heat radiator 3, an axial fan 3615 is located on the side wall of the heat radiator 3, and an axial fan 8614 of the heat dissipation fan 7.
Further, dustproof cotton subassembly 9 is fixed in the slot of bottom in casing 1, dustproof cotton subassembly 9 includes dustproof cotton support and dustproof cotton, and dustproof cotton is fixed in on the dustproof cotton support.
Further, the second air duct 12 and the third air duct 13 are arranged in parallel.
The utility model discloses a turbine fan 11 inhales the cold air, and filter through dustproof cotton, keep apart the dust, the cold air gets into first wind channel 10 through fresh air inlet 8, blow to the second wind channel 12 and the third wind channel 13 of LCD screen both sides through turbine fan 11 again, reduce the LCD screen temperature fast effectively, the roast screen phenomenon can not appear, guarantee the luminance of projecting apparatus, inhale the inside high temperature air of complete machine with axial fan 14 at last, the discharge is hot-blast, and take away the temperature on the 7 radiating fin of L ED radiator in the lump, reduce the temperature of L ED6 fast, guarantee L ED 6's power.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (3)
1. An inner and outer circulation dustproof heat dissipation system comprises a shell, a total reflection mirror is installed in the shell, a L CD liquid crystal screen and a lens are respectively arranged on two vertical planes, one side of a reflection surface of the total reflection mirror forms a 45-degree angle with a plane where the total reflection mirror is located, the lens is installed on the front face of the shell, a L CD liquid crystal screen is installed in the middle of the interior of the shell, an optical through is arranged on the other side of a L CD liquid crystal screen, a L ED is arranged at the rear end of the optical through, and an L' &gTtL and L Tt/T and gTt ED are arranged at the rear side of the optical through, the inner side of the optical through is provided with an air inlet hole, a dustproof cotton assembly is arranged inside the air inlet hole, a first air channel is formed between the shell side wall where the air inlet hole is located and the lens and the total reflection mirror, the tail end of the first air channel is provided with a turbo fan and is in butt joint with an air suction port of the turbo fan, an air outlet on one side of the turbo fan is communicated with a second air channel and a third air channel, the air outlet of the CD 2 and the heat dissipation fins are respectively arranged on the outer side wall of the axial flow fan, and the axial flow fan, the heat dissipation fins of the axial flow fan are arranged on the outer.
2. The internal and external circulation dustproof heat dissipation system of claim 1, characterized in that: the dustproof cotton assembly is fixed in the slot at the bottom in the shell and comprises a dustproof cotton support and dustproof cotton, and the dustproof cotton is fixed on the dustproof cotton support.
3. The internal and external circulation dustproof heat dissipation system of claim 1, characterized in that: the second air duct and the third air duct are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020009451.2U CN211207054U (en) | 2020-01-03 | 2020-01-03 | Dustproof cooling system of inside and outside circulation of projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020009451.2U CN211207054U (en) | 2020-01-03 | 2020-01-03 | Dustproof cooling system of inside and outside circulation of projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211207054U true CN211207054U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020009451.2U Active CN211207054U (en) | 2020-01-03 | 2020-01-03 | Dustproof cooling system of inside and outside circulation of projecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211207054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153870A (en) * | 2020-09-25 | 2020-12-29 | 科华恒盛股份有限公司 | Heat radiation structure and inverter |
-
2020
- 2020-01-03 CN CN202020009451.2U patent/CN211207054U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153870A (en) * | 2020-09-25 | 2020-12-29 | 科华恒盛股份有限公司 | Heat radiation structure and inverter |
| CN112153870B (en) * | 2020-09-25 | 2023-09-29 | 厦门科华数能科技有限公司 | Heat radiation structure and inverter |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220916 Address after: 518000 Room 202, No. 12, Longshan 6th Road, Luotian community, Yanluo street, Bao'an District, Shenzhen, Guangdong Patentee after: Shenzhen Qulight Technology Co.,Ltd. Address before: Room 502, Building G4, TCL International City E, Shuguang Community, Xili Street, Nanshan District, Shenzhen, Guangdong, 518000 Patentee before: Shenzhen yunduoduo Information Co.,Ltd. |
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| TR01 | Transfer of patent right |