CN203838466U - Projector - Google Patents
Projector Download PDFInfo
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- CN203838466U CN203838466U CN201420066164.XU CN201420066164U CN203838466U CN 203838466 U CN203838466 U CN 203838466U CN 201420066164 U CN201420066164 U CN 201420066164U CN 203838466 U CN203838466 U CN 203838466U
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- Prior art keywords
- light path
- projector
- totally
- enclosed
- chamber
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Abstract
The utility model relates to a projector. The projector is characterized in that an internal circulation refrigeration heat radiation air flue is installed in the projector. A circuit chamber and a totally-enclosed light path chamber are installed in the lower layer cabinet of the projector respectively. An upper layer cabinet is an air flow cooling chamber of the internal circulation heat radiation air flue. A base plate of a semiconductor refrigeration radiator is fixed on the cabinet cover. A built-in air filtration element is installed between the cooling air flow outlet end in the internal circulation refrigeration heat radiation air flue and the cooling air flow inlet end of the totally-enclosed projection light path chamber. After a heat radiation fan in the internal circulation refrigeration heat radiation air flue is installed behind the air filtration element in the air flue. The projector achieves totally-enclosed dust protection and heat radiation of a light path, and overcomes the defects of difficult dust protection and difficult heat radiation, thus the display screen of the projector works in an appropriate temperature, interference and destroy of high temperature and dust are avoided, the no-failure service life of the display screen in the machine is prolonged efficiently, and no-dust and clearness of the projection picture are kept.
Description
Technical field
This projector relates to projector equipment field, especially its totally-enclosed light path.
Background technology
Now the radiating mode utmost point of various popular projectors is unfavorable for the heat radiation, dustproof of machine intimate, the especially heat radiation of projector's display screen, light path etc., a dustproof difficult problem.In the projector of current trend, in machine, display screen is often operated in hot environment, and owing to having used the radiating elements such as multi-fan, open inner light path environment, thereby cause machine intimate to enter the dust on display screen in a large amount of dusts, particularly machine along with radiation air, if immediately do not cleared up, the not only unusual impact quality of watching, is also easy to cause occur in machine that heat dissipation wind channel stops up, temperature raises, display screen reduces fault or the accident of even burning etc. tenure of use.The specialty that the maintenance of projector in routine use, cleaning dust etc. work is all compared, and the expense of safeguarding is also relatively costly, and in fact the user of a lot of projectors does not possess professional machine maintenance and maintainability, make projector use trouble the more.
Summary of the invention
This projector is a kind of totally-enclosed and good projector of dispelling the heat of light path that realizes, this projector comprises: projector, have independent circuit chamber, radiator fan, the totally-enclosed interior circularly cooling heat dissipation wind channel of independent totally-enclosed projecting light path chamber, light path, semiconductor refrigerating radiator, two layer box body cabinets.This projector in complete projection cabinet, install in circularly cooling heat dissipation wind channel, interior circularly cooling heat dissipation wind channel inner space and space outerpace are isolated completely, interior circularly cooling heat dissipation wind channel is to be isolated in projector by template insulating material.Lower floor of projector cabinet is mounting circuit chamber and totally-enclosed light path chamber respectively, inner space and the space outerpace of totally-enclosed projecting light path chamber are isolated completely, totally-enclosed projecting light path chamber is an ingredient of interior circularly cooling heat dissipation wind channel, the cooling draught inlet, outlet of the cooling draught outlet, inlet mouth of interior circularly cooling heat dissipation wind channel and totally-enclosed projecting light path chamber is tightly connected, and upper strata cabinet is the air-flow cooling chamber in interior circulation cooling air channel.The substrate of this projector semiconductor refrigerating radiator used is to be fixed on the chassis lid of upper strata, because the hot and cold two ends of semiconductor refrigerating radiator are kept apart by its substrate and semiconductor chilling plate, the refrigeration end of semiconductor refrigerating radiator is closed in the air-flow cooling chamber in interior circulation cooling air channel, and its hot junction is terminated to outside cabinet.Air filtering core in fitting machine between cooling draught endpiece in interior circularly cooling heat dissipation wind channel, totally-enclosed projecting light path chamber cooling draught entrance point, in machine, air filtering core should cover the cooling draught air intake opening of light path chamber; Radiator fan in interior circularly cooling heat dissipation wind channel (the interior circulation power fan of display screen cooling draught in machine) is arranged in air channel after air filtering core, can be arranged on cooling draught air intake opening place, chamber of totally-enclosed projecting light path, also after can being arranged on cooling draught gas outlet place, totally-enclosed projecting light path chamber, the inlet, outlet of radiator fan and interior circularly cooling radiation air are said, the size of import is in full accord, are beneficial to the conveying of cooling draught.The object of the totally-enclosed light path of the utility model projector is to utilize semiconductor refrigerating radiator to be easy to sealing to install, be easy to separate the feature of interior or exterior space, realize the totally enclosed type dust-proof radiating of light path, the difficulty of having eliminated above-mentioned projector is dustproof, the defect of difficult heat radiation, thereby in the sealing completely that realizes projector's light path storehouse, when free from dust enters, heat in light path storehouse is shifted out to machine, make the inner display screen of projector be operated in suitable temperature, avoid high temperature, interference and the destruction of dust to machine intimate components and parts, greatly reduce the source of trouble of projector, also just effectively reduced the failure rate of projector, the efficient no-failure operation time limit that extends display screen in machine, accomplish to keep the dustless of projected picture, clear.
Brief description of the drawings
In institute's accompanying drawing:
Fig. 1: a kind of totally-enclosed interior circularly cooling heat dissipation wind channel structure schematic diagram of light path of projector;
Fig. 2: a kind of complete machine outward appearance front elevation of projector;
The vertical view of Fig. 3: Fig. 2;
The right view of Fig. 4: Fig. 2;
The upper and lower part schematic diagram of Fig. 5: Fig. 2;
Fig. 6: the complete machine front elevation that is unkitted the totally-enclosed interior circularly cooling heat dissipation wind channel of light path;
Fig. 7: Tu6Zhong lower floor cabinet 4 is unkitted the vertical view of the totally-enclosed interior circularly cooling heat dissipation wind channel of light path;
The vertical view of lower floor's cabinet 4 of Fig. 8: Fig. 5;
The schematic diagram of the hot and cold air flow guiding plate 16 of the totally-enclosed interior circularly cooling heat dissipation wind channel of light path is installed in the upper end of lower floor's cabinet 4 of Fig. 9: Fig. 6;
Figure 10: the skeleton view of hot and cold air flow guiding plate 16 in Fig. 9;
Figure 11: the schematic diagram that hot and cold air flow guiding cover 17,27 is installed on hot and cold air flow guiding plate 16;
The backplan of Figure 12: Figure 11;
The right view of Figure 13: Figure 11;
The vertical view of Figure 14: Figure 11;
Figure 15: semiconductor refrigerating radiator 1 is installed on cabinet top cover 15 in Fig. 6;
The skeleton view of Figure 16: Figure 15;
Figure 17: a kind of totally-enclosed interior circularly cooling heat dissipation wind channel structure schematic diagram of light path of projector, relates to another embodiment;
Figure 18: the schematic diagram of hot and cold air flow guiding cover 17,27 is installed on hot and cold air flow guiding plate 16 in Figure 17, is related to another embodiment;
The backplan of Figure 19: Figure 18;
The vertical view of Figure 20: Figure 18;
Figure 21: semiconductor refrigerating radiator 1 is installed on cabinet top cover 15 in Fig. 6, is related to another embodiment;
The skeleton view of Figure 22: Figure 21.
Embodiment
Now with regard to institute's accompanying drawing with non-limiting formal specification of a giving an example embodiment of the present utility model, in detailed description, clearly illustrate characteristics more of the present utility model and advantage.
Complete machine outward appearance is as Fig. 2.In Fig. 2, semiconductor refrigerating radiator 1 is arranged on the top cover 15 of cabinet, and its hot-side heat dissipation sheet 2 is arranged on outside cabinet; Lower floor's cabinet 4 is installed circuit and the light path of projector, and upper strata cabinet 14 is installed the cooling air duct of semiconductor refrigerating radiator 1.Projector's light path chamber is communicated with interior circularly cooling heat dissipation wind channel, and projecting light path chamber is the ingredient of circularly cooling heat dissipation wind channel in totally-enclosed light path, and projecting light path's interior space and extraneous space isolate completely, carry out refrigeration radiating with semiconductor refrigerating radiator 1.Circuit chamber is drawn into cold airflow by air inlet 18, discharges thermal current at the thermal current exhaust outlet 19 of Fig. 4.
In Fig. 1, as shown by arrows in FIG., the radiator fan 21 of thermal current shown screen 8 after the refrigeration end heat pipe radiating fin 3 of semiconductor refrigerating radiator 1 is cooling is extracted upper strata cabinet 14 out, cold airflow is through the cold airflow outlet 28 of fair water fin 16, kuppe 27, the cold airflow kuppe 13 of the projecting light path chamber 10 of lower floor's cabinet 4, air intake opening 23, air filtration core 22 enters the radiator fan 21 of display screen 8, radiator fan 21 blows into air channel 11 cold airflow, 24 pairs of display screens 8 carry out cooling, cold airflow enters thermal current kuppe 17 by the thermal current air intake opening 29 of fair water fin 16 after display screen 8 heating, thermal current is after the refrigeration end heat pipe radiating fin 3 of semiconductor refrigerating radiator 1 is cooling, do again interior circularly cooling heat radiation by the radiator fan 21 of display screen 8.
In Fig. 1, the cover plate 6 of the division board 5 of lower floor's cabinet 4, projection lamp condenser 9, circuit chamber 7 is isolated projecting light path chamber 10 and circuit chamber 7 completely.
In Fig. 7, it is indoor that projection lamp heat radiator 20 will be enclosed in circuit, do not affect the heat radiation of light path chamber; The interior heat dissipation wind channel that arranges in light path chamber 10 is light path chamber cold airflow entrance between projection reflective mirror and radiator fan 21.
As Fig. 8, in lower floor's cabinet 4, the cover plate of circuit chamber 7 refrigeration radiating air channel, the light path chamber seal pad 6 of holding concurrently is kept apart the wind path of circuit chamber and light path chamber completely, and circuit chamber forms independently heat dissipation wind channel, and projection display screen 8 is connected with mainboard through seal bore 26 by display screen thread plug 25; After projection reflective mirror 12, be light path chamber cold airflow kuppe 13 and cold airflow import 23, air filtration core 22 in an air channel of air intake opening configuration of radiator fan 21, gas outlet 11, the cold air duct 24 of radiator fan 21 are communicated with projection display screen 8.
As Fig. 9, hot and cold air flow guiding plate 16 is installed in the upper end of lower floor's cabinet 4.Fair water fin 16 will be inlaid into upper strata cabinet 14 inwalls, as Fig. 1.
In Figure 11, thermal current kuppe 17 and cold airflow kuppe 27 are installed on hot and cold air flow guiding plate 16.
In Figure 15, semiconductor refrigerating radiator 1 is installed on cabinet top cover 15.
In another embodiment of Figure 17, be that from the difference of Fig. 1 the refrigeration end heat radiator of semiconductor refrigerating radiator is different, the kuppe difference of installing on hot and cold air flow guiding plate.The refrigeration end heat radiator of semiconductor refrigerating radiator is the heat radiator that has air vent or ventilation slot on base plate, identical with the structure of the radiating end heat radiator 2 of semiconductor refrigerating radiator in Fig. 31.
In another embodiment of Figure 21, semiconductor refrigerating radiator 1 is installed on cabinet top cover 15.Figure 18 installs thermal current kuppe 17 and cold airflow kuppe 27 on hot and cold air flow guiding plate 16.
What display screen in projecting light path and machine had been accomplished by a kind of projector of the present utility model exempts from cleaning, non-maintaining, related personnel from heavy and professional clear dirt, fault repair and free cleaning, care of transaction frequently.
Above embodiment is only explanation technological thought of the present utility model; can not limit protection domain of the present utility model with this; every technological thought according to the utility model proposes, any change of doing on technical scheme basis, all belongs to protection domain of the present utility model.
Claims (7)
1. the totally-enclosed projector of light path, it comprises: projector, totally-enclosed projecting light path chamber in machine, interior circularly cooling heat dissipation wind channel, radiator fan, air filtering core in machine, semiconductor refrigerating radiator, it is characterized in that, circularly cooling heat dissipation wind channel in installing in projector, in lower floor of projector cabinet mounting circuit chamber and totally-enclosed light path chamber respectively, upper strata cabinet is the air-flow cooling chamber in interior circulation cooling air channel, the substrate of semiconductor refrigerating radiator is fixed on chassis lid, cooling draught endpiece in interior circularly cooling heat dissipation wind channel, air filtering core in fitting machine between totally-enclosed projecting light path chamber cooling draught entrance point, after radiator fan in interior circularly cooling heat dissipation wind channel is arranged on the air filtering core in air channel.
2. according to the totally-enclosed projector of a kind of light path of claim 1, it is characterized in that, described interior circularly cooling heat dissipation wind channel is isolated and is made in projector by insulating material, and the cooling draught inlet, outlet of the cooling draught outlet, inlet mouth of interior circularly cooling heat dissipation wind channel and totally-enclosed projecting light path chamber is tightly connected.
3. according to the totally-enclosed projector of a kind of light path of claim 1, it is characterized in that, totally-enclosed projecting light path chamber inner space and extraneous space isolate completely, and totally-enclosed light path chamber is an ingredient of interior circularly cooling heat dissipation wind channel.
4. according to the totally-enclosed projector of a kind of light path of claim 1, it is characterized in that, air filtering core in fitting machine between cooling draught endpiece in interior circularly cooling heat dissipation wind channel, totally-enclosed projecting light path chamber cooling draught entrance point, circulation power fan in using the radiator fan of projecting light path's indoor projection display screen as refrigeration radiating air channel, the air filtering core rear of radiator fan in interior circularly cooling heat dissipation wind channel, both can be arranged on cooling draught air intake opening place, chamber of totally-enclosed projecting light path, after also can being arranged on cooling draught gas outlet, totally-enclosed projecting light path chamber.
5. according to the totally-enclosed projector of a kind of light path of claim 1, it is characterized in that, projecting light path chamber and circuit chamber are used independently heat dissipation wind channel and independently cooling system separately.
6. according to the totally-enclosed projector of a kind of light path of claim 1, it is characterized in that, projecting light path chamber and projection display screen use semiconductor refrigeration radiating system.
7. according to the totally-enclosed projector of a kind of light path of claim 1, it is characterized in that, on projector's cabinet case lid, semiconductor refrigerating radiator is installed, the refrigeration end of semiconductor refrigerating radiator is closed in interior circularly cooling heat dissipation wind channel, and the radiating end of semiconductor refrigerating radiator is terminated to projection cabinet outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420066164.XU CN203838466U (en) | 2014-02-15 | 2014-02-15 | Projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420066164.XU CN203838466U (en) | 2014-02-15 | 2014-02-15 | Projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203838466U true CN203838466U (en) | 2014-09-17 |
Family
ID=51516286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420066164.XU Expired - Fee Related CN203838466U (en) | 2014-02-15 | 2014-02-15 | Projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203838466U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111297052A (en) * | 2020-03-09 | 2020-06-19 | 枣庄学院 | Multifunctional teaching desk for teaching |
| CN113048190A (en) * | 2021-03-31 | 2021-06-29 | 珠海市景晟包装材料有限公司 | Control system of blast drier |
-
2014
- 2014-02-15 CN CN201420066164.XU patent/CN203838466U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111297052A (en) * | 2020-03-09 | 2020-06-19 | 枣庄学院 | Multifunctional teaching desk for teaching |
| CN113048190A (en) * | 2021-03-31 | 2021-06-29 | 珠海市景晟包装材料有限公司 | Control system of blast drier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Longgang street Buji District Shenzhen city Guangdong province 518000 ban Ji Zheng Lu Hua Yu Garden 5 building 806 unit B Patentee after: Gu Jingyi Address before: 2, unit 518000, 6, peninsula garden, Longgang District, Guangdong, Shenzhen, 605 Patentee before: Gu Jingyi |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20160215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |