CN105278219A - A projector - Google Patents
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- CN105278219A CN105278219A CN201510797982.6A CN201510797982A CN105278219A CN 105278219 A CN105278219 A CN 105278219A CN 201510797982 A CN201510797982 A CN 201510797982A CN 105278219 A CN105278219 A CN 105278219A
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- Prior art keywords
- bulb
- metal cylinder
- projector
- metal
- liquid
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention relates to the technical field of projectors and provides a projector. The invention aims to solve the problem of poor heat dissipation effect of bulbs of conventional projectors. The projector comprises a shell. A bulb, a light modulation device used for modulating light emitted from the light source device according to image information and a projection lens used for projection of light speed obtained through modulation of the light modulation device are arranged in the shell. The bulb is provided with a bulb socket body comprising a first metal drum and a second metal layer; the inner wall of the first metal drum is provided with a thread matching a threaded head of the bulb; the bottom of the first metal drum is provided with a through hole and an insulation ring is clamped in the through hole; the insulation ring is provided with an electric conduction pillar in the middle; a vacuum steam cavity is formed between the first metal drum and the second metal layer; the inner wall of the steam cavity is provided with a liquid absorbing core; the steam cavity is filled with working fluid; the first metal drum is connected with a conductor; the outer wall of the second metal layer is wrapped in a ceramic insulation layer.
Description
Technical field
The invention belongs to porjector technology field, specifically disclose a kind of projector.
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.Projector merit operationally, the thermal value of lamp panel is very large, temperature is very high, and high temperature is the projector the most direct killer in serviceable life affecting high efficiency and heat radiation, 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 utility model patent disclose a kind of projector radiating assembly of high efficiency and heat radiation, 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 the tube face of existing high-power bulb does not possess the effect of heat radiation, but the thermal value of projector bulb own is larger, and tube face directly contacts with bulb, make tube face temperature higher, and bulb and tube face close contact, make heat accumulation, cause bulb heat radiation weak effect.
Summary of the invention
The present invention in order to solve the problem of the bulb heat radiation weak effect of existing projector existence, and provides a kind of projector, 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, comprise housing, bulb is provided with in described housing, the optic modulating device light penetrated from this light supply apparatus modulated according to image information and the projection lens that the light velocity after being modulated by optic modulating device is projected, described bulb is equipped with tube face body, it is characterized in that, described tube face body comprises the first metal cylinder and the second metal level, the inwall of described first metal cylinder is provided with the screw thread cooperatively interacted with the thread head of bulb, the bottom of described first metal cylinder offers through hole, described through hole is arranged with insulated ring, the middle part of described insulated ring is provided with conductive pole, the upper end of described conductive pole is through insulated ring, the lower end of described conductive pole is connected with wire, the vapor chamber of vacuum is formed between described first metal cylinder and the second metal level, the inwall of described vapor chamber is provided with liquid-sucking core, be filled with hydraulic fluid in described vapor chamber, described first metal cylinder is connected with wire, the outer wall of described second metal level is coated with ceramic insulating layer, described ceramic insulating layer is connected with heat radiator, be provided with the cooling chamber that liquid coolant is housed in described housing, one end of described heat radiator is connected on ceramic insulating layer, and the other end of heat radiator stretches in cooling chamber.
Sealant is provided with between described heat radiator and cooling chamber.
The water pump for driving coolant flow is equipped in described cooling chamber.
Described first metal cylinder and the second metal level are made up of 4Cr5MoSiV steel, and described hydraulic fluid is water.
Be added with corrosion inhibiter in described water, described corrosion inhibiter is chromate, dichromate, phosphate, silicate, borate, benzoate or cinnamate.
Described liquid-sucking core is copperly roll silk screen liquid-sucking core.
The described copper order number rolling silk screen liquid-sucking core is 70-120 order.
Compared with prior art, the present invention has following beneficial effect:
Projector of the present invention, comprise housing, bulb is provided with in described housing, the optic modulating device light penetrated from this light supply apparatus modulated according to image information and the projection lens that the light velocity after being modulated by optic modulating device is projected, described bulb is equipped with tube face body, described tube face body comprises the first metal cylinder and the second metal level, the inwall of described first metal cylinder is provided with the screw thread cooperatively interacted with the thread head of bulb, the bottom of described first metal cylinder offers through hole, described through hole is arranged with insulated ring, the middle part of described insulated ring is provided with conductive pole, the upper end of described conductive pole is through insulated ring, the lower end of described conductive pole is connected with wire, the vapor chamber of vacuum is formed between described first metal cylinder and the second metal level, the inwall of described vapor chamber is provided with liquid-sucking core, be filled with hydraulic fluid in described vapor chamber, described first metal cylinder is connected with wire, the outer wall of described second metal level is coated with ceramic insulating layer, described ceramic insulating layer is connected with heat radiator, be provided with the cooling chamber that liquid coolant is housed in described housing, one end of described heat radiator is connected on ceramic insulating layer, and the other end of heat radiator stretches in cooling chamber.The present invention is by arranged outside first metal cylinder of tube face body and the second metal level, and be provided with vapor chamber between the first metal cylinder and the second metal level, liquid-sucking core and hydraulic fluid is provided with in vapor chamber, when high-power bulb uses time, the heat distributed passes to the lamp holder of bulb, transfer heat to the first metal cylinder, liquid-sucking core and hydraulic fluid, then distribute heat is carried out by the second metal level and ceramic insulating layer, the efficiency of heat heat radiation can be improved, on acceleration bulb body, heat is lost, thus improves the radiating efficiency of bulb.
The present invention is simultaneously dispelled the heat by air-cooled and mode that is water-cooled, further increases the effect of heat radiation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of tube face body of the present invention;
Mark in figure: 1, the first metal cylinder, the 2, second metal level, 3, vapor chamber, 4, liquid-sucking core, 5, ceramic insulating layer, 6, insulated ring, 7, conductive pole, 8, housing, 9, cooling chamber, 10, water pump, 11, heat radiator.
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 of the present invention, comprise housing 8, bulb is provided with in described housing 8, the optic modulating device light penetrated from this light supply apparatus modulated according to image information and the projection lens that the light velocity after being modulated by optic modulating device is projected, described bulb is equipped with tube face body, described tube face body comprises the first metal cylinder 1 and the second metal level 2, the inwall of described first metal cylinder 1 is provided with the screw thread cooperatively interacted with the thread head of bulb, the bottom of described first metal cylinder 1 offers through hole, described through hole is arranged with insulated ring 6, the middle part of described insulated ring 6 is provided with conductive pole 7, the upper end of described conductive pole 7 is through insulated ring 6, the lower end of described conductive pole 7 is connected with wire, the vapor chamber 3 of vacuum is formed between described first metal cylinder 1 and the second metal level 2, the inwall of described vapor chamber 3 is provided with liquid-sucking core 4, hydraulic fluid is filled with in described vapor chamber 3, described first metal cylinder 1 is connected with wire, and wherein, the first metal cylinder 1 upper conductor extends out and to be communicated with power supply, the outer wall of described second metal level 2 is coated with ceramic insulating layer 5, ceramic insulating layer is coated on the outside of tube face body, improves the effect of insulation, improves the security performance that the present invention uses, described ceramic insulating layer 5 is connected with heat radiator 11, be provided with the cooling chamber 9 that liquid coolant is housed in described housing 8, one end of described heat radiator 11 is connected on ceramic insulating layer 5, and the other end of heat radiator 11 stretches in cooling chamber 9.The present invention is by arranged outside first metal cylinder of tube face body and the second metal level, and be provided with vapor chamber between the first metal cylinder and the second metal level, liquid-sucking core and hydraulic fluid is provided with in vapor chamber, when high-power bulb uses time, the heat distributed passes to the lamp holder of bulb, transfer heat to the first metal cylinder, liquid-sucking core and hydraulic fluid, then distribute heat is carried out by the second metal level and ceramic insulating layer, the efficiency of heat heat radiation can be improved, on acceleration bulb body, heat is lost, thus improves the radiating efficiency of bulb.The present invention simultaneously has the uniform feature of heat radiation.
The present invention is simultaneously dispelled the heat by air-cooled and mode that is water-cooled, further increases the effect of heat radiation.
In order to improve sealing property of the present invention, between described heat radiator 11 and cooling chamber 9, be provided with sealant.
In order to improve the flowing property of liquid coolant, be equipped with the water pump 10 for driving coolant flow in cooling chamber 9 of the present invention, wherein water pump belongs to prior art, and those skilled in the art understands and understands, and does not repeat them here.
As a kind of preferred mode of the present invention, the first metal cylinder 1 and the second metal level 2 are made up of 4Cr5MoSiV steel, and described hydraulic fluid is water.The melting temperature of hydraulic fluid must lower than the working temperature of heat pipe, critical point temperature then must higher than working temperature, consider simultaneously hydraulic fluid must with the first metal cylinder and the second metal level and liquid-sucking core material compatible, there is the larger factor that transports and heat conduction factor, stablize good thermophysical property and economy, therefore the present invention selects excellent water as hydraulic fluid; And the first metal cylinder and the second metal level are made up of 4Cr5MoSiV steel, because needs are can continuous firing, strength and stiffness in use must be ensured; Have simultaneously lower roughness and good can polishability and welding performance, the selection of material of the present invention, hydraulic fluid can ensure to have good economy, heat transference efficiency and serviceable life.First metal cylinder of the present invention and the material of the second metal level, the selection of hydraulic fluid are very complicated processes, for a person skilled in the art, are not apparent.
Be added with corrosion inhibiter in described water, described corrosion inhibiter is chromate, dichromate, phosphate, silicate, borate, benzoate or cinnamate; Thus ensure that steam is in the process of flowing, can not produce the situation of water condensation, ensure normally to work.
As a kind of preferred mode of the present invention, liquid-sucking core is copperly roll silk screen liquid-sucking core; The copper order number rolling silk screen liquid-sucking core is 70-120 order.Liquid-sucking core liquid flowing resistance be inversely proportional to Wang Yan size square, and the pressure that liquid-sucking core produces is inversely proportional to mesh size, when liquid-sucking core order number is greater than 300, rigidity can be caused not enough; When liquid-sucking core order number is less than 50, the capillary pressure of generation is stable not again; Show through repeatedly testing, the maximum capillary pressure that liquid-sucking core produces is at least about 2 times of fluid column static pressure, could steady operation.Consider, select that 70-120 object is copper rolls silk screen liquid-sucking core.
In order to improve radiating effect of the present invention, the outer wall of ceramic insulating layer 5 of the present invention is provided with heat sink strip, improves radiating efficiency of the present invention by arranging heat sink strip.
Embodiment one
The projector of the present embodiment, comprise housing, bulb is provided with in described housing, the optic modulating device light penetrated from this light supply apparatus modulated according to image information and the projection lens that the light velocity after being modulated by optic modulating device is projected, described bulb is equipped with tube face body, it is characterized in that, described tube face body comprises the first metal cylinder and the second metal level, the inwall of described first metal cylinder is provided with the screw thread cooperatively interacted with the thread head of bulb, the bottom of described first metal cylinder offers through hole, described through hole is arranged with insulated ring, the middle part of described insulated ring is provided with conductive pole, the upper end of described conductive pole is through insulated ring, the lower end of described conductive pole is connected with wire, the vapor chamber of vacuum is formed between described first metal cylinder and the second metal level, the inwall of described vapor chamber is provided with liquid-sucking core, be filled with hydraulic fluid in described vapor chamber, described first metal cylinder is connected with wire, the outer wall of described second metal level is coated with ceramic insulating layer, described ceramic insulating layer is connected with heat radiator, be provided with the cooling chamber that liquid coolant is housed in described housing, one end of described heat radiator is connected on ceramic insulating layer, and the other end of heat radiator stretches in cooling chamber.
Embodiment two
The projector of the present embodiment, comprise housing, bulb is provided with in described housing, the optic modulating device light penetrated from this light supply apparatus modulated according to image information and the projection lens that the light velocity after being modulated by optic modulating device is projected, described bulb is equipped with tube face body, it is characterized in that, described tube face body comprises the first metal cylinder and the second metal level, the inwall of described first metal cylinder is provided with the screw thread cooperatively interacted with the thread head of bulb, the bottom of described first metal cylinder offers through hole, described through hole is arranged with insulated ring, the middle part of described insulated ring is provided with conductive pole, the upper end of described conductive pole is through insulated ring, the lower end of described conductive pole is connected with wire, the vapor chamber of vacuum is formed between described first metal cylinder and the second metal level, the inwall of described vapor chamber is provided with liquid-sucking core, be filled with hydraulic fluid in described vapor chamber, described first metal cylinder is connected with wire, the outer wall of described second metal level is coated with ceramic insulating layer, described ceramic insulating layer is connected with heat radiator, be provided with the cooling chamber that liquid coolant is housed in described housing, one end of described heat radiator is connected on ceramic insulating layer, and the other end of heat radiator stretches in cooling chamber, sealant is provided with between described heat radiator and cooling chamber.
Embodiment three
The projector of the present embodiment, comprise housing, bulb is provided with in described housing, the optic modulating device light penetrated from this light supply apparatus modulated according to image information and the projection lens that the light velocity after being modulated by optic modulating device is projected, described bulb is equipped with tube face body, it is characterized in that, described tube face body comprises the first metal cylinder and the second metal level, the inwall of described first metal cylinder is provided with the screw thread cooperatively interacted with the thread head of bulb, the bottom of described first metal cylinder offers through hole, described through hole is arranged with insulated ring, the middle part of described insulated ring is provided with conductive pole, the upper end of described conductive pole is through insulated ring, the lower end of described conductive pole is connected with wire, the vapor chamber of vacuum is formed between described first metal cylinder and the second metal level, the inwall of described vapor chamber is provided with liquid-sucking core, be filled with hydraulic fluid in described vapor chamber, described first metal cylinder is connected with wire, the outer wall of described second metal level is coated with ceramic insulating layer, described ceramic insulating layer is connected with heat radiator, be provided with the cooling chamber that liquid coolant is housed in described housing, one end of described heat radiator is connected on ceramic insulating layer, and the other end of heat radiator stretches in cooling chamber, sealant is provided with between described heat radiator and cooling chamber, the water pump for driving coolant flow is equipped in described cooling chamber.
Embodiment four
On the basis of above-mentioned any embodiment, described first metal cylinder and the second metal level are made up of 4Cr5MoSiV steel, and described hydraulic fluid is water.
Embodiment five
On the basis of embodiment four, be added with corrosion inhibiter in described water, described corrosion inhibiter is chromate, dichromate, phosphate, silicate, borate, benzoate or cinnamate.
Embodiment six
On the basis of embodiment five, described liquid-sucking core is copperly roll silk screen liquid-sucking core.
Embodiment seven
On the basis of embodiment six, the described copper order number rolling silk screen liquid-sucking core is 70-120 order.
Claims (7)
1. a projector, comprise housing, bulb is provided with in described housing, the optic modulating device light penetrated from this light supply apparatus modulated according to image information and the projection lens that the light velocity after being modulated by optic modulating device is projected, described bulb is equipped with tube face body, it is characterized in that, described tube face body comprises the first metal cylinder and the second metal level, the inwall of described first metal cylinder is provided with the screw thread cooperatively interacted with the thread head of bulb, the bottom of described first metal cylinder offers through hole, described through hole is arranged with insulated ring, the middle part of described insulated ring is provided with conductive pole, the upper end of described conductive pole is through insulated ring, the lower end of described conductive pole is connected with wire, the vapor chamber of vacuum is formed between described first metal cylinder and the second metal level, the inwall of described vapor chamber is provided with liquid-sucking core, hydraulic fluid is filled with in described vapor chamber, described first metal cylinder is connected with wire, the outer wall of described second metal level is coated with ceramic insulating layer, and described ceramic insulating layer is connected with heat radiator, be provided with the cooling chamber that liquid coolant is housed in described housing, one end of described heat radiator is connected on ceramic insulating layer, and the other end of heat radiator stretches in cooling chamber.
2. projector according to claim 1, is characterized in that, is provided with sealant between described heat radiator and cooling chamber.
3. projector according to claim 2, is characterized in that, is equipped with the water pump for driving coolant flow in described cooling chamber.
4., according to the arbitrary described projector of claim 1-3, it is characterized in that, described first metal cylinder and the second metal level are made up of 4Cr5MoSiV steel, and described hydraulic fluid is water.
5. projector according to claim 4, is characterized in that, is added with corrosion inhibiter in described water, and described corrosion inhibiter is chromate, dichromate, phosphate, silicate, borate, benzoate or cinnamate.
6. projector according to claim 5, is characterized in that, described liquid-sucking core is copperly roll silk screen liquid-sucking core.
7. projector according to claim 6, is characterized in that, the described copper order number rolling silk screen liquid-sucking core is 70-120 order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510797982.6A CN105278219A (en) | 2015-11-19 | 2015-11-19 | A projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510797982.6A CN105278219A (en) | 2015-11-19 | 2015-11-19 | A projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105278219A true CN105278219A (en) | 2016-01-27 |
Family
ID=55147488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510797982.6A Pending CN105278219A (en) | 2015-11-19 | 2015-11-19 | A projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105278219A (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 (6)
| 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 |
| CN103962814A (en) * | 2014-04-09 | 2014-08-06 | 成都航空职业技术学院 | Method for manufacturing normal-temperature heat pipe type heat nozzle for injection mold |
| CN203851719U (en) * | 2014-06-10 | 2014-10-01 | 四川省复立茶业有限公司 | Drum-type tea drier |
| CN104247009A (en) * | 2012-09-19 | 2014-12-24 | 富士电机株式会社 | Semiconductor device and semiconductor device manufacturing method |
-
2015
- 2015-11-19 CN CN201510797982.6A patent/CN105278219A/en active Pending
Patent Citations (6)
| 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 |
| CN103962814A (en) * | 2014-04-09 | 2014-08-06 | 成都航空职业技术学院 | Method for manufacturing normal-temperature heat pipe type heat nozzle for injection mold |
| CN203851719U (en) * | 2014-06-10 | 2014-10-01 | 四川省复立茶业有限公司 | Drum-type tea drier |
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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Application publication date: 20160127 |