CN101699162B - Cooling system of projector bulb and projecting device by adopting same - Google Patents
Cooling system of projector bulb and projecting device by adopting same Download PDFInfo
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- CN101699162B CN101699162B CN2009101104897A CN200910110489A CN101699162B CN 101699162 B CN101699162 B CN 101699162B CN 2009101104897 A CN2009101104897 A CN 2009101104897A CN 200910110489 A CN200910110489 A CN 200910110489A CN 101699162 B CN101699162 B CN 101699162B
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- bulb
- heat
- heat pipe
- unit
- projector
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Abstract
The invention relates to a cooling system of a projector bulb, which is characterized by comprising a thermotube conduction unit with a groove and a bulb unit, wherein the bulb unit is fixed in the groove of the thermotube conduction unit. The cooling system of the projector bulb transmits a part of heat produced by the bulb unit to other parts which have low temperature relative to the bulb unit through the thermotube unit; then the cooling system exhausts the heat through a radiator fan of the part or forced convection or radiation; therefore, the heat produced by the bulb is not intensively exhausted through a bulb fan cooling system, the aims of better dispersing heat and dispersing exhaust are achieved, the projector bulb has good radiation effect, the temperature of the whole projector is reduced, the material temperature in the projector is ensured to be in a stipulated range and the service life of the projector is prolonged; the temperature of a shell near the projector bulb is reduced so as not to scald hands; the temperature of the exhausted gas is reduced so as not to produce peculiar smell; and users can have good impression on the projector in use..
Description
[technical field]
The present invention relates to a kind of image documentation equipment, relate in particular to a kind of projector bulb heat radiation system and adopt the projection arrangement of this system.
[background technology]
At present, along with the function and the complexity of electronic product improves day by day, power consumption constantly increases, and the loss of power converts certain heat energy usually into.The miniaturization of electronic product requires to make the heat flow density (heat that is transmitted through the unit heat transfer area in the unit interval) of product sharply to rise; Cause the temperature of electronic product to raise rapidly, if can not will have a strong impact on reliability of products and service life by efficiently radiates heat.And projector all is to use powerful bulb to realize high illumination as electronic product at present, produces a large amount of heats; And the bulb power consumption accounts for very big proportion in the whole power consumption of projector; If the bad meeting of heat radiation causes near the casing temperature the bulb very high, scald one's hand the bulb excessive discharge temperature easily; Material temperature in the machine influences the life-span of projector not in the scope of regulation.
[summary of the invention]
Based on this, be necessary to provide a kind of projector bulb heat radiation system that reduces projector's temperature.
In addition, also be necessary to provide a kind of projection arrangement that adopts the projector bulb heat radiation system.A kind of projector bulb heat radiation system comprises heat pipe for thermal conductivity unit and the bulb unit of being with groove, and said bulb unit is fixed in the groove of said heat pipe for thermal conductivity unit; Said heat pipe for thermal conductivity unit comprises heat pipe and heat conduction head; Said heat pipe comprises first end that has installing hole and second end that is connected said heat conduction head; Said heat pipe comprises heating section, heat transfer segment and the group section that connects successively; Said heating section forms groove and places the bulb unit, and said group section connects said heat transfer segment and said heat conduction head, and said heating section receives the heat that said bulb unit distributes; And passing to said heat conduction head through said heat transfer segment and group section, said heat conduction head passes to heat the power pack of projector.
Preferably, the groove of said heat pipe for thermal conductivity unit is a U type groove.
Preferably; Said bulb unit comprises the accommodating member and the ring plate of bulb, lampshade, connector, circular front end; Said bulb is fixedly connected with said lampshade through said connector; Said bulb, light cover and connector place in the said accommodating member, and said ring plate is around the circular front end of said accommodating member.
Preferably, said accommodating member also comprises top and resettlement section, has installing hole to communicate with the installing hole of first end of said heat pipe on one side of said top, fixes through screw; Said top another side has fixing hole, and the gap between said fixing hole and the said heat pipe is relative, and installed part connects said accommodating member and heat pipe through said fixing hole.
Preferably, a projection is arranged at the circular front end of said accommodating member bottom, and the gap between said projection and the said heat pipe is relative.
Preferably, said bulb is provided with that recess, said lampshade are provided with louvre, both sides, said resettlement section are provided with ventilating opening, and said recess and louvre and ventilating opening are relative.
A kind of projection arrangement; The Circuits System that comprises power-supply system, optical system, driving optical system; Power supply fan cooling system, bulb fan radiating system and have the casing of outside radiating part; It is characterized in that: said projection arrangement also comprises the projector bulb heat radiation system, and said projector bulb heat radiation system comprises the heat pipe for thermal conductivity unit of bulb unit and band groove, and said bulb unit is fixed in the groove of said heat pipe for thermal conductivity unit; Said bulb unit one end is near said bulb fan radiating system, the contiguous said optical system of the other end, the said heat pipe for thermal conductivity unit power-supply system that reclines; Said heat pipe for thermal conductivity unit comprises heat pipe and heat conduction head;, said heat pipe comprises heating section, heat transfer segment and the group section that connects successively, said heating section forms groove and places the bulb unit; Said group section connects said heat transfer segment and said heat conduction head; Said heat conduction head is positioned on the power pack of said power-supply system, and contiguous said power supply fan cooling system, and said heating section receives the heat that said bulb unit distributes; And passing to said heat conduction head through said heat transfer segment and group section, said heat conduction head passes to heat the power pack of said projector.
Preferably; Said heat pipe for thermal conductivity unit comprises heat pipe and heat conduction head, and said heat pipe comprises first end that has installing hole and second end that is connected said heat conduction head, and said bulb unit comprises the accommodating member and the ring plate of bulb, lampshade, connector, circular front end; Said bulb is fixedly connected with said lampshade through said connector; Said bulb, lampshade and connector place in the said accommodating member, and said ring plate is around the circular front end of said accommodating member, and a projection is arranged at the circular front end of said accommodating member bottom; Gap between said projection and the said heat pipe is relative; Said accommodating member also comprises top and resettlement section, has installing hole to communicate with the installing hole of first end of said heat pipe on one side of said top, fixes through screw; Said top another side has fixing hole; Gap between said fixing hole and the said heat pipe is relative; Installed part connects said accommodating member and heat pipe through said fixing hole; Said bulb is provided with that recess, said lampshade are provided with louvre, both sides, said resettlement section are provided with ventilating opening, and said recess and louvre and ventilating opening are relative.
The heat that above-mentioned projector bulb heat radiation system's employing heat pipe unit is distributed the bulb unit is transmitted to the lower part of other temperature of projector; Come out through forced convertion or radiation again; The bulb heat is not concentrated discharged, thereby reach the purpose of dispelling the heat preferably.
[description of drawings]
Fig. 1 is a projector bulb heat radiation entire system structural representation.
Fig. 2 is a projector bulb heat radiation system explosive view.
Fig. 3 is projection arrangement and projector bulb heat radiation system architecture sketch map.
Fig. 4 is a projection arrangement overall structure sketch map.
[specific embodiment]
Fig. 1 is a projector bulb heat radiation entire system structural representation, and Fig. 2 is a projector bulb heat radiation system explosive view.
A kind of projector bulb heat radiation system comprises heat pipe for thermal conductivity unit 10 and bulb unit 20.Heat pipe for thermal conductivity unit 10 comprises heat pipe 11 and heat conduction 13, and heat pipe 11 is used for receiving the heat of bulb unit 20, and is transmitted to heat conduction 13.
First end of heat pipe 11 is a free end, and second end and heat conduction 13 links to each other.Heat pipe 11 comprises heating section 111, heat transfer segment 113 and the group section 115 that connects successively.Heating section 111 forms groove and places bulb unit 20, is used for receiving the heat that bulb unit 20 distributes.The free end of heating section 111 is that first end of heat pipe 11 is provided with installing hole 112, is used for fixing bulb unit 20.The heat transmission that heat transfer segment 113 receives heating section 111.Group section 115 connects heat transfer segment 113 and heat conduction 13, and the transfer of heat that heat transfer segment 113 is transmitted is to heat conduction 13.
The groove that heating section 111 forms can be U type groove.
Lampshade 23 both sides are provided with louvre 231, and the centre is provided with manhole 233.
Accommodating member 27 comprises top 271, resettlement section 273 and front end 275.
Top 271 1 sides are provided with installing hole 272, and opposite side is provided with fixing hole 274.Installing hole 112 is corresponding on the installing hole 272 of top 271 1 sides and the heating section 111, can top 271 and heat pipe 11 be fixed together through screw; Fixing hole 274 on the opposite side is relative with the gap between the heat pipe 11, and installed part connects accommodating member 27 and heat pipe 11 through fixing hole 274.Installed part can be screw bolt and nut; Through bolts and nuts matching and fixing accommodating member 27 and heat pipe 11; Installed part also can be bolt and the card matching and fixing accommodating member 27 and heat pipe 11 of band draw-in groove; Or one end bolt and the connecting line matching and fixing accommodating member 27 and heat pipe 11 of lock hole are arranged, or two ends are provided with the stock and card matching and fixing accommodating member 27 and heat pipe 11 of draw-in groove, or an end has draw-in groove, the other end that stock and the card matching and fixing accommodating member 27 and the heat pipe 11 etc. of prominent piece are arranged.
There is a circular accepting hole (not marking among the figure) resettlement section 273, and both sides are provided with air vent 276.The external diameter of lampshade 23 is more smaller than the circular accepting hole diameter of resettlement section 273; Therefore; Bulb 21 constitutes one with lampshade 23 and connector 25, can be placed in the resettlement section 273, and louvre 231 is relative with the air vent 276 of 273 both sides, resettlement section; So that from then on an air part flows out, cooled air-flow is flowed out to the heating section 111 of heat pipe 11 through this.
Fig. 3 and Fig. 4 are a kind of projection arrangement structural representation.A kind of projection arrangement comprises Circuits System, power supply fan cooling system, the bulb fan system of power-supply system 30, optical system, driving optical system having the casing and the projector bulb heat radiation system of outside radiating part.The projector bulb heat radiation system comprises heat pipe for thermal conductivity unit 10 and bulb unit 20; Heat pipe for thermal conductivity unit 10 is posted by on the power-supply system 30; The heat conduction of heat pipe for thermal conductivity unit 10 13 is arranged on the power pack shell of power-supply system 30; And vicinity power supply fan system, the lamp socket 211 contiguous bulb fan systems of bulb unit 20, lampshade 23 adjacent optical systems.
The course of work of projector bulb heat radiation system is following: cold air is in ventilating opening gets into projector; Through the bulb cooling fan with cold air in the air channel is blown into bulb; Cooled off the hot-air behind the bulb, a part passes to heat the heating section of heat pipe for thermal conductivity unit through louvre; Heating section passes to the heat conduction head with heat through heat transfer segment and group section again; The heat conduction head passes to heat on the power pack, discharges outside the projector through discharge of power supply scavenger fan system and casing radiating part then, and another part heat is outside the bulb fan system is discharged projector; The transfer of heat that comes out bulb is like this discharged to projector's lower parts of other temperature again, is not to concentrate through the bulb fan system to discharge.
Above-mentioned projector bulb heat radiation system has adopted heat pipe for thermal conductivity unit 10 and bulb unit 20, and bulb unit 20 is placed the setting in the heat pipe for thermal conductivity unit 10; A part of heat that bulb unit 20 is produced passes to the lower parts of other relative bulb unit 20 temperature of projector through heat pipe for thermal conductivity unit 10, and heat is discharged in radiator fan through these parts or forced convertion or radiation then, and another part heat that bulb unit 20 produces is outside bulb fan radiating system discharge machine; The heat of bulb generation is not to concentrate through the bulb fan radiating system to discharge like this, has reached the purpose of the discharge of heat dispersing dispersion preferably, makes projector bulb heat radiation reach good effect; Reduced the temperature of whole projector; Guaranteed that material temperature has prolonged the service life of projector in the projector in prescribed limit, near the casing temperature the projecting camera light bulb reduces; Can not scald one's hand; The gas temperature of discharging reduces, and does not have peculiar smell, also can not stay bad impression when the user uses.
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (8)
1. projector bulb heat radiation system, it is characterized in that: comprise heat pipe for thermal conductivity unit and the bulb unit of being with groove, said bulb unit is fixed in the groove of said heat pipe for thermal conductivity unit; Said heat pipe for thermal conductivity unit comprises heat pipe and heat conduction head; Said heat pipe comprises first end that has installing hole and second end that is connected said heat conduction head; Said heat pipe comprises heating section, heat transfer segment and the group section that connects successively; Said heating section forms groove and places the bulb unit, and said group section connects said heat transfer segment and said heat conduction head, and said heating section receives the heat that said bulb unit distributes; And passing to said heat conduction head through said heat transfer segment and group section, said heat conduction head passes to heat the power pack of projector.
2. projector bulb heat radiation according to claim 1 system, it is characterized in that: the groove of said heat pipe for thermal conductivity unit is a U type groove.
3. projector bulb heat radiation according to claim 1 system; It is characterized in that: said bulb unit comprises the accommodating member and the ring plate of bulb, lampshade, connector, circular front end; Said bulb is fixedly connected with said lampshade through said connector; Said bulb, light cover and connector place in the said accommodating member, and said ring plate is around the circular front end of said accommodating member.
4. projector bulb heat radiation according to claim 3 system, it is characterized in that: said accommodating member also comprises top and resettlement section, has installing hole to communicate with the installing hole of first end of said heat pipe on one side of said top, fixes through screw; Said top another side has fixing hole, and the gap between said fixing hole and the said heat pipe is relative, and installed part connects said accommodating member and heat pipe through said fixing hole.
5. projector bulb heat radiation according to claim 3 system is characterized in that: a projection is arranged at the circular front end bottom of said accommodating member, and the gap between said projection and the said heat pipe is relative.
6. projector bulb heat radiation according to claim 4 system is characterized in that: said bulb is provided with that recess, said lampshade are provided with louvre, both sides, said resettlement section are provided with ventilating opening, and said recess and louvre and ventilating opening are relative.
7. projection arrangement; The Circuits System that comprises power-supply system, optical system, driving optical system; Power supply fan cooling system, bulb fan radiating system and have the casing of outside radiating part; It is characterized in that: said projection arrangement also comprises the projector bulb heat radiation system, and said projector bulb heat radiation system comprises the heat pipe for thermal conductivity unit of bulb unit and band groove, and said bulb unit is fixed in the groove of said heat pipe for thermal conductivity unit; Said bulb unit one end is near said bulb fan radiating system, the contiguous said optical system of the other end, the said heat pipe for thermal conductivity unit power-supply system that reclines; Said heat pipe for thermal conductivity unit comprises heat pipe and heat conduction head; Said heat pipe comprises heating section, heat transfer segment and the group section that connects successively; Said heating section forms groove and places the bulb unit, and said group section connects said heat transfer segment and said heat conduction head, and said heat conduction head is positioned on the power pack of said power-supply system; And contiguous said power supply fan cooling system; Said heating section receives the heat that said bulb unit distributes, and passes to said heat conduction head through said heat transfer segment and group section, and said heat conduction head passes to heat the power pack of said projector.
8. projection arrangement according to claim 7; It is characterized in that: said heat pipe for thermal conductivity unit comprises heat pipe and heat conduction head, and said heat pipe comprises first end that has installing hole and second end that is connected said heat conduction head, and said bulb unit comprises the accommodating member and the ring plate of bulb, lampshade, connector, circular front end; Said bulb is fixedly connected with said lampshade through said connector; Said bulb, lampshade and connector place in the said accommodating member, and said ring plate is around the circular front end of said accommodating member, and a projection is arranged at the circular front end of said accommodating member bottom; Gap between said projection and the said heat pipe is relative; Said accommodating member also comprises top and resettlement section, has installing hole to communicate with the installing hole of first end of said heat pipe on one side of said top, fixes through screw; Said top another side has fixing hole; Gap between said fixing hole and the said heat pipe is relative; Installed part connects said accommodating member and heat pipe through said fixing hole; Said bulb is provided with that recess, said lampshade are provided with louvre, both sides, said resettlement section are provided with ventilating opening, and said recess and louvre and ventilating opening are relative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101104897A CN101699162B (en) | 2009-11-05 | 2009-11-05 | Cooling system of projector bulb and projecting device by adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101104897A CN101699162B (en) | 2009-11-05 | 2009-11-05 | Cooling system of projector bulb and projecting device by adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101699162A CN101699162A (en) | 2010-04-28 |
| CN101699162B true CN101699162B (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101104897A Expired - Fee Related CN101699162B (en) | 2009-11-05 | 2009-11-05 | Cooling system of projector bulb and projecting device by adopting same |
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| Country | Link |
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| CN (1) | CN101699162B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443558B (en) * | 2019-01-16 | 2022-06-28 | 青岛海信激光显示股份有限公司 | Laser light source and laser projection display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1573530A (en) * | 2003-06-20 | 2005-02-02 | 株式会社日立制作所 | Liquid crystal projector |
| CN101035424A (en) * | 2006-03-07 | 2007-09-12 | 三星电子株式会社 | Heat radiating apparatus and optical projection device having the same |
| CN101414107A (en) * | 2007-10-17 | 2009-04-22 | 鸿富锦精密工业（深圳）有限公司 | Projector bulb module group with heat radiation structure |
-
2009
- 2009-11-05 CN CN2009101104897A patent/CN101699162B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1573530A (en) * | 2003-06-20 | 2005-02-02 | 株式会社日立制作所 | Liquid crystal projector |
| CN101035424A (en) * | 2006-03-07 | 2007-09-12 | 三星电子株式会社 | Heat radiating apparatus and optical projection device having the same |
| CN101414107A (en) * | 2007-10-17 | 2009-04-22 | 鸿富锦精密工业（深圳）有限公司 | Projector bulb module group with heat radiation structure |
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| Publication number | Publication date |
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| CN101699162A (en) | 2010-04-28 |
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