CN105334685A - Projector bulb - Google Patents
Projector bulb Download PDFInfo
- Publication number
- CN105334685A CN105334685A CN201510798164.8A CN201510798164A CN105334685A CN 105334685 A CN105334685 A CN 105334685A CN 201510798164 A CN201510798164 A CN 201510798164A CN 105334685 A CN105334685 A CN 105334685A
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- CN
- China
- Prior art keywords
- metal layer
- bulb
- projector
- bulb body
- metal level
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention belongs to the technical field of projectors, and discloses a projector bulb used for solving the problem of poor cooling effect of a projector bulb. The projector bulb comprises a bulb body, wherein a first metal layer coats the outer wall of the bulb body; a second metal layer is arranged outside the first metal layer; a vacuum steam cavity is formed between the first metal layer and the second metal layer; a sintered powder tube core is laid on the inner wall of the steam cavity; and the steam cavity is filled with a working liquid; and cooling fins are connected to the outer side of the second metal layer.
Description
Technical field
The invention belongs to porjector technology field, specifically disclose a kind of projector bulb.
Background technology
Multimedia technology is current areas of information technology technology with fastest developing speed, most active, it is the focus of electronic technology of new generation development and competition, multimedia technology fusion calculation machine, sound, text, image, animation, screen and the several functions such as to communicate in one, by day by day universal High speed Information Network.And projector is also known as projector, as part indispensable in multimedia teaching; Be a kind of can by image or VIDEO PROJECTION to the equipment on curtain, can be connected with computing machine etc. by different interfaces and to play corresponding vision signal.Operationally, the thermal value of lamp panel is very large, temperature is very high, and high temperature affects the most direct killer of projector bulb service life for projector merit, in order to improve the serviceable life of projector, be typically equipped with fan to dispel the heat, also need in addition to adopt wind guiding component, to improve radiating effect.Its wind deflector of traditional wind guiding component is welded and fixed by annex and ventilation housing, this connected mode needs to convince aerofoil and ventilation housing two mold by patient analysis on the one hand, increase point welding process, process is loaded down with trivial details, cause the waste of cost, manpower and time resource, on the other hand owing to being the increase in point welding process, sealing-off risk may be produced, add quality management and control difficulty.For the problems referred to above, application number be 201320456422.0 patent of invention disclose a kind of projector bulb radiating subassembly, comprise the ventilation housing be bent to form by metal material and the wind deflector being located at ventilation housing one end, the mode that ventilation housing and wind deflector pass through to stretch is integrally formed; The two bottom sides of ventilation housing is provided with fabricated section, and fabricated section offers mounting hole.
But existing projector bulb is all dispelled the heat by air-cooled mode, but due to the unusual light in surface of bulb own, surface thermal radiation is amassed little, cause air cooling effect poor.
Summary of the invention
The present invention in order to solve the problem of the radiating effect difference of projector bulb existence, and provides a kind of projector bulb, has the feature of good heat dissipation effect, can improve the serviceable life of projector bulb.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of projector bulb, comprise bulb body, it is characterized in that, the outer wall of described bulb body is coated with the first metal layer, the outside of described the first metal layer is provided with the second metal level, form the vapor chamber of vacuum between described the first metal layer and the second metal level, the inwall of described vapor chamber is equipped with sintered powder tube core, in described vapor chamber, be filled with hydraulic fluid; The outside of described second metal level is connected with heat radiator.
The width of described the first metal layer is less than the length of bulb body.
The upper end of described the first metal layer is positioned at the lower end of bulb body external diameter maximum.
Described the first metal layer is between the metallic lamp holder and bulb body external diameter maximum of bulb body.
Described the first metal layer and the second metal level are made up of 3Cr2W8V steel, and described hydraulic fluid is acetone.
Be added with corrosion inhibiter in described acetone, described corrosion inhibiter is chromate, dichromate, phosphate, silicate, borate, benzoate or cinnamate.
Described heat radiator is arranged along the length direction of bulb body.
On the outer wall being arranged on the second metal level that described heat radiator tilts.
Compared with prior art, the present invention has following beneficial effect:
Projector bulb of the present invention, comprise bulb body, the outer wall of described bulb body is coated with the first metal layer, the outside of described the first metal layer is provided with the second metal level, the vapor chamber of vacuum is formed between described the first metal layer and the second metal level, the inwall of described vapor chamber is equipped with sintered powder tube core, in described vapor chamber, is filled with hydraulic fluid; The outside of described second metal level is connected with heat radiator.Make the present invention can improve the area of dissipation of bulb body, improve the effect of heat radiation; The present invention simultaneously has the uniform feature of heat radiation, improves the radiating effect of bulb body further.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention;
Mark in figure: 1, bulb body, 2, the first metal layer, the 3, second metal level, 4, vapor chamber, 5, sintered powder tube core, 6, heat radiator, 7, metallic lamp holder.
Embodiment
Below in conjunction with embodiment, the invention will be further described, and described embodiment is only the present invention's part embodiment, is not whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments used obtained under creative work prerequisite, belongs to protection scope of the present invention.
By reference to the accompanying drawings, projector bulb of the present invention, comprise bulb body 1, the outer wall of described bulb body 1 is coated with the first metal layer 2, the outside of described the first metal layer 1 is provided with the second metal level 3, form the vapor chamber 4 of vacuum between described the first metal layer 2 and the second metal level 3, the inwall of described vapor chamber 4 is equipped with sintered powder tube core 5, in described vapor chamber 4, is filled with hydraulic fluid; The outside of described second metal level 3 is connected with heat radiator 6.The present invention is in the process used, the heat that filament gives out passes to the first metal layer, then passes to sintered powder tube core 5, and hydraulic fluid is again by heat second metal level, realized transmission and the radiation of heat energy again by heat radiator, the present invention has the high feature of heat transfer effect.Meanwhile, thermal-radiating area can be improved, thus improve the effect of heat radiation.As a kind of preferred mode of the present invention, in order to improve the effect of heat radiation further, on the outer wall being arranged on the second metal level 3 at the uniform interval of heat radiator of the present invention, and the outer wall of the second metal level between adjacent heat radiator is provided with radiation tooth or heat sink strip.
In order to ensure the normal use of projector bulb, the width of the first metal layer 2 of the present invention is less than the length of bulb body 1; And the upper end of the first metal layer 2 is positioned at the lower end of bulb body 1 external diameter maximum.
Conveniently use, the first metal layer 2 of the present invention is between the metallic lamp holder 7 and bulb body 1 external diameter maximum of bulb body 1.
The first metal layer 2 of the present invention and the second metal level 3 are made up of 3Cr2W8V steel, and described hydraulic fluid is acetone; In the process that material is selected, need to consider material and the blending between hydraulic fluid and sintered powder tube core, therefore, the selection for material is not the conventional techniques means of this area, needs to pay creative work.
In order to prevent the phenomenon of water-setting, be added with corrosion inhibiter in acetone of the present invention, described corrosion inhibiter is chromate, dichromate, phosphate, silicate, borate, benzoate or cinnamate.
For the ease of the winding-up effect of fan, heat radiator of the present invention is arranged along the length direction of bulb body.
As a kind of preferred mode of the present invention, on the outer wall being arranged on the second metal level that heat radiator tilts, improve thermal-radiating area further, improve radiating effect.
Embodiment one
The projector bulb of the present embodiment, comprise bulb body, the outer wall of described bulb body is coated with the first metal layer, the outside of described the first metal layer is provided with the second metal level, the vapor chamber of vacuum is formed between described the first metal layer and the second metal level, the inwall of described vapor chamber is equipped with sintered powder tube core, in described vapor chamber, is filled with hydraulic fluid; The outside of described second metal level is connected with heat radiator.
Embodiment two
The projector bulb of the present embodiment, comprise bulb body, the outer wall of described bulb body is coated with the first metal layer, the outside of described the first metal layer is provided with the second metal level, the vapor chamber of vacuum is formed between described the first metal layer and the second metal level, the inwall of described vapor chamber is equipped with sintered powder tube core, in described vapor chamber, is filled with hydraulic fluid; The outside of described second metal level is connected with heat radiator; The width of described the first metal layer is less than the length of bulb body.
Embodiment three
The projector bulb of the present embodiment, comprise bulb body, the outer wall of described bulb body is coated with the first metal layer, the outside of described the first metal layer is provided with the second metal level, the vapor chamber of vacuum is formed between described the first metal layer and the second metal level, the inwall of described vapor chamber is equipped with sintered powder tube core, in described vapor chamber, is filled with hydraulic fluid; The outside of described second metal level is connected with heat radiator; The width of described the first metal layer is less than the length of bulb body; The upper end of described the first metal layer is positioned at the lower end of bulb body external diameter maximum.
Embodiment four
The projector bulb of the present embodiment, comprise bulb body, the outer wall of described bulb body is coated with the first metal layer, the outside of described the first metal layer is provided with the second metal level, the vapor chamber of vacuum is formed between described the first metal layer and the second metal level, the inwall of described vapor chamber is equipped with sintered powder tube core, in described vapor chamber, is filled with hydraulic fluid; The outside of described second metal level is connected with heat radiator; The width of described the first metal layer is less than the length of bulb body; The upper end of described the first metal layer is positioned at the lower end of bulb body external diameter maximum; Described the first metal layer is between the metallic lamp holder and bulb body external diameter maximum of bulb body.
Embodiment five
On the basis of above-mentioned any embodiment, described the first metal layer and the second metal level are made up of 3Cr2W8V steel, and described hydraulic fluid is acetone.
Embodiment six
On the basis of embodiment five, be added with corrosion inhibiter in described acetone, described corrosion inhibiter is chromate, dichromate, phosphate, silicate, borate, benzoate or cinnamate.
Embodiment seven
On the basis of above-mentioned any embodiment, described heat radiator is arranged along the length direction of bulb body.
Embodiment eight
On the basis of embodiment seven, on the outer wall being arranged on the second metal level that described heat radiator tilts.
Claims (8)
1. a projector bulb, comprise bulb body, it is characterized in that, the outer wall of described bulb body is coated with the first metal layer, the outside of described the first metal layer is provided with the second metal level, form the vapor chamber of vacuum between described the first metal layer and the second metal level, the inwall of described vapor chamber is equipped with sintered powder tube core, in described vapor chamber, be filled with hydraulic fluid; The outside of described second metal level is connected with heat radiator.
2. projector bulb according to claim 1, is characterized in that, the width of described the first metal layer is less than the length of bulb body.
3. projector bulb according to claim 2, is characterized in that, the upper end of described the first metal layer is positioned at the lower end of bulb body external diameter maximum.
4. projector bulb according to claim 3, is characterized in that, described the first metal layer is between the metallic lamp holder and bulb body external diameter maximum of bulb body.
5., according to the arbitrary described projector bulb of claim 1-4, it is characterized in that, described the first metal layer and the second metal level are made up of 3Cr2W8V steel, and described hydraulic fluid is acetone.
6. projector bulb according to claim 5, is characterized in that, is added with corrosion inhibiter in described acetone, and described corrosion inhibiter is chromate, dichromate, phosphate, silicate, borate, benzoate or cinnamate.
7. projector bulb according to claim 1, is characterized in that, described heat radiator is arranged along the length direction of bulb body.
8. projector bulb according to claim 7, is characterized in that, on the outer wall being arranged on the second metal level that described heat radiator tilts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510798164.8A CN105334685A (en) | 2015-11-19 | 2015-11-19 | Projector bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510798164.8A CN105334685A (en) | 2015-11-19 | 2015-11-19 | Projector bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105334685A true CN105334685A (en) | 2016-02-17 |
Family
ID=55285306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510798164.8A Pending CN105334685A (en) | 2015-11-19 | 2015-11-19 | Projector bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105334685A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957927A (en) * | 2018-07-19 | 2018-12-07 | 苏州博学智能科技有限公司 | A kind of office projection instrument |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2882200Y (en) * | 2005-10-17 | 2007-03-21 | 奥古斯丁科技股份有限公司 | Radiation module |
| US20070131406A1 (en) * | 2005-12-14 | 2007-06-14 | Ming-Kun Tsai | Cooler |
| CN101030021A (en) * | 2006-03-03 | 2007-09-05 | 精工爱普生株式会社 | Projector |
| CN104247009A (en) * | 2012-09-19 | 2014-12-24 | 富士电机株式会社 | Semiconductor device and semiconductor device manufacturing method |
| CN204291733U (en) * | 2014-12-17 | 2015-04-22 | 西安菲尔特金属过滤材料有限公司 | A kind of copper fiber sintering felt serving radiator |
-
2015
- 2015-11-19 CN CN201510798164.8A patent/CN105334685A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2882200Y (en) * | 2005-10-17 | 2007-03-21 | 奥古斯丁科技股份有限公司 | Radiation module |
| US20070131406A1 (en) * | 2005-12-14 | 2007-06-14 | Ming-Kun Tsai | Cooler |
| CN101030021A (en) * | 2006-03-03 | 2007-09-05 | 精工爱普生株式会社 | Projector |
| CN104247009A (en) * | 2012-09-19 | 2014-12-24 | 富士电机株式会社 | Semiconductor device and semiconductor device manufacturing method |
| CN204291733U (en) * | 2014-12-17 | 2015-04-22 | 西安菲尔特金属过滤材料有限公司 | A kind of copper fiber sintering felt serving radiator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957927A (en) * | 2018-07-19 | 2018-12-07 | 苏州博学智能科技有限公司 | A kind of office projection instrument |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160217 |
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| RJ01 | Rejection of invention patent application after publication |