CN202351605U - Projector and radiating device - Google Patents
Projector and radiating device Download PDFInfo
- Publication number
- CN202351605U CN202351605U CN2011204224060U CN201120422406U CN202351605U CN 202351605 U CN202351605 U CN 202351605U CN 2011204224060 U CN2011204224060 U CN 2011204224060U CN 201120422406 U CN201120422406 U CN 201120422406U CN 202351605 U CN202351605 U CN 202351605U
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- Prior art keywords
- refrigerator
- heat
- shell body
- projector
- heat abstractor
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Abstract
The utility model provides a radiating device, which is arranged in an outer shell for cooling a heating element in the outer shell, wherein the radiating device comprises a refrigerator arranged in the outer shell, the refrigerator comprises a hot end and a cold end, and the hot end is connected with the outer shell; a radiating fin connected with the cold end; and a fan arranged between the heating element and the refrigerator for generating air flow used for radiating the heat of the heating element. According to the projector and radiating device provided by the utility model, the refrigerator capable of serving as heat transfer is arranged, so that the heat can be continuously transmitted by the inner crystal lattices of the refrigerator once temperature difference is generated between the cold end and the hot end of the refrigerator to move the heat to the hot end and dissipate the same so as to radiate the projector without adding the fan, and an effect of small noise and small space utilization is realized; besides, the outer shell is made from an aluminum alloy material, and the gaps on the outer shell are sealed by rubber, so that the radiating device can work in a water-containing environment or even under water.
Description
Technical field
The utility model relates to the image processing field, relates in particular to a kind of projector and heat abstractor.
Background technology
General projector is having under the environment of water because of heat radiation needs all can be provided with louvre, and water gets into projector inside and causes the circuit part short circuit easily; Damage projector, existing projector is arranged to the shell of projector the housing of a sealing in order to address this problem; So basically, solved the waterproof problem of projector, still, for projector; Its internal heat dissipating is of equal importance; Because the heat dispersion of projector is for having direct influence the serviceable life of projector, the heat radiation of projector is adopted and is added several exhaust fans or strengthen the power of exhaust fan a bit this exhaust fan power or increase exhaust fan quantity of strengthening simply in the prior art; Can cause noise or increase projector's volume, also can increase the cost of projector.
The utility model content
The purpose of the utility model is to overcome the defective of prior art, provides that a kind of noise is little, volume is little, cost is lower and waterproof, better projector of radiating effect and heat abstractor.
The utility model is achieved in that heat abstractor, is located in the shell body, and in order to the heater element in the cooled enclosure body, said heat abstractor comprises refrigerator, is located in the said shell body, comprises a hot junction and a cold junction, and said hot junction is connected with said shell body; Heat radiator, it is connected with said cold junction; Fan is arranged between said heater element and the said refrigerator, distributes the airflow of said heater element heat in order to generation.
Further, said refrigerator is installed in the said shell body in order to screw, and said heat radiator is located on the said refrigerator.
Particularly, said heat radiator sticks on the said refrigerator through alite paste.
Further, said refrigerator is a semiconductor chilling plate.
Further; The cold junction of said refrigerator comprises horizontal layer arrangement and a cold junction insulation course, a cold side metal layer, the semi-conductor layer processed by stupalith; Said hot junction comprises a hot junction insulation course and a hot side metal layer of being processed by stupalith; Said cold junction insulation course and said hot junction insulation course are distinguished double team in the outside of said cold side metal layer and said hot side metal layer, said cold side metal layer and the said semiconductor layer of said hot side metal layer double team.
Further, said heat abstractor also comprises the air channel, inside that heat interchange is carried out in the circulation of guiding airflow.
Particularly, said inner air channel is a pipeline that is located in the said shell body, and said pipeline is connected to said shell body one end from said fan.
The utility model also provides a kind of projector, comprises a shell body and is located at the heater element in the said shell body, and said projector also comprises heat abstractor as described above.
Particularly, said shell body is the tetragonal body structure, is to be processed by the material of high heat conduction.
Further; Said projector also comprises master control board, ray machine and the power supply that is located in the said shell body, and said power supply is for said heating element works electric power, and laser instrument and display image are controlled in said master control board; Said ray machine comprises camera lens and illuminator, to be responsible for image projection.
Projector that the utility model provides and heat abstractor, it can be used as the refrigerator that heat is transmitted through being provided with one, as long as the temperature difference occurs in cold junction, the hot junction of said refrigerator; Heat just can be constantly through the transmission of lattice in it, heat is moved to the hot junction and distributes, to reach the purpose of heat radiation projector; Need not increasing fan, to have reached noise little; The effect that space utilization is little, and the refrigerator cost is lower, and shell body adopts aluminum alloy materials simultaneously; Rubber seal is used in slit on the shell body, reaches having under the environment of water even under water all can work.
Description of drawings
Fig. 1 is first cut-open view of the utility model projector that embodiment provides;
Fig. 2 is second cut-open view of the utility model projector that embodiment provides;
Fig. 3 is the 3rd cut-open view of the utility model projector that embodiment provides.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Referring to Fig. 1-Fig. 3; The utility model embodiment provides a kind of heat abstractor 11, can be used in various device, instrument, the machine, and present embodiment is to be used in the projector 1; To provide projector 1 heat transmission; Above-mentioned heat abstractor 11 is located in the shell body 12, and the gap uses rubber to seal between the said shell body 12, to reach the effect of waterproof; Heat abstractor 11 mainly is to be used for heater element (figure does not show) in the cooled enclosure body 12; Heater element is the primary structure light engine of projector 1; Said heat abstractor 11 comprises refrigerator 13; Be located in the said shell body 12, comprise a hot junction 131 and a cold junction 132, said hot junction 131 is connected with said shell body 12; Heat radiator 14, it is connected with said cold junction 132; Fan 15 is arranged between said heater element and the said refrigerator 13, distributes the airflow of said heater element heat in order to generation.Projector 1 that the utility model provides and heat abstractor 11, it can be used as the refrigerator 13 that heat is transmitted through being provided with one, as long as the temperature difference occurs in cold junction 132, the hot junction 131 of said refrigerator 13, heat just can constantly pass through the transmission of lattice in it; Heat is moved to hot junction 131 and distributes through said shell body 12,, compared with prior art, need not increase more fan 15 to reach the purpose of heat radiation projector 1; It is little to have reached noise, the effect that space utilization is little, and said refrigerator 13 is without any need for cold-producing medium, but continuous working; Do not have pollution source not have rotary part, can not produce gyroscopic action, do not have slide unit; Said refrigerator 13 is a kind of solid piece part, does not have vibrations, noise, life-span long during work, install easily and cost lower; In addition, said refrigerator 13 has two kinds of functions, can freeze; Can heat again, therefore use a sheet spare just can replace discrete heating system and refrigeration system, very convenient; Simultaneously shell body 12 adopts aluminum alloy materials, and rubber seal is used in the slit on the shell body 12, reaches having under the environment of water even under water all can work.
Further, see also Fig. 1, Fig. 2, a kind of embodiment of the heat abstractor that provides as the utility model, said refrigerator 13 is installed in the said shell body 12 in order to screw, and is firm to install, be convenient to dismounting; Said heat radiator 14 is located on the said refrigerator 13.Particularly, said heat radiator 14 can stick on the said refrigerator 13 through alite paste, with quick, convenient said heat radiator 14 is fixed.Heat radiator 14 can adopt make by aluminium alloy, brass or bronze tabular, sheet, splintery etc.; The heat radiator of the preferred aluminium alloy sheet of this embodiment, it can provide enough hardness, and the advantage of aluminium alloy is cheap; In light weight, and satisfy projector's 1 demand, on said heat radiator 14, also scribble one deck heat-conducting silicone grease; It can say that heat is more effective and be transmitted on the said heat radiator 14, goes brushing to be dispersed in the surrounding air through fan 15.The effect of the said heat radiator 14 of this embodiment mainly is hot junction 131 heat radiations for said refrigerator 13; Usually the temperature in hot junction 131 can reach when not having heat abstractor 11 about 100 degree; The limit of bearing that very easily surpasses said refrigerator 13; And the key of said refrigerator 13 refrigerating efficiencies will reduce hot junction 131 temperature exactly as early as possible to increase the two ends temperature difference, the raising refrigeration.Under normal operating position, the temperature difference between said refrigerator 13 cold junctions 132 and the hot junction 131 will remain between 40～65 degree.
Particularly, by above-mentioned, said refrigerator is preferably semiconductor chilling plate.The cold junction of said semiconductor chilling plate comprises horizontal layer arrangement and a cold junction insulation course, a cold side metal layer, the semi-conductor layer processed by stupalith; The hot junction of said semiconductor chilling plate comprises a hot junction insulation course and a hot side metal layer of being processed by stupalith; Said cold junction insulation course and said hot junction insulation course are distinguished double team in the outside of said cold side metal layer and said hot side metal layer, said cold side metal layer and the said semiconductor layer of said hot side metal layer double team.When galvanic couple that direct current is connected into through two kinds of different semiconductor materials, can absorb heat at the two ends of galvanic couple respectively and emit heat, can realize the purpose of freezing.Semiconductor chilling plate is without any need for cold-producing medium, but continuous working does not have pollution source not have rotary part, can not produce gyroscopic action, and not having slide unit is a kind of solid piece part, does not have vibrations, noise, life-span long during work, installs easily.
Further, see also Fig. 1, a kind of embodiment of the heat abstractor that provides as the utility model, said heat abstractor 11 also comprises the air channel, inside 16 that heat interchange is carried out in the circulation of guiding airflow.Inner air channel 16 is set heat is discharged in said shell body 12 fast, particularly, said inner air channel 16 is for being located at the pipeline in the said shell body 12, and pipeline is rectangular structure, and said pipeline is connected to said shell body 12 1 ends from said fan 15.
The principle of work of the projector 1 that the utility model provides: after the energising of conductor refrigeration sheet; Said conductor refrigeration sheet will turn cold towards that one side (being cold junction 132) of said heat radiator 14; And towards said shell body 12 that the one side (being hot junction 131) with heating; Said fan 15 takes the said projector 1 inner heat that produces on the said heat radiator 14 to behind the heat-shift through air; Again cold wind is back to the heater element heat radiation inner to said projector of said projector 1 inside, like this, heat interchange is carried out in air circulation under 16 guiding of inner air channel; Simultaneously said shell body 12 is derived the heat of conductor refrigeration sheet hot side, utilizes said shell body 12 surfaces to dispel the heat, and heat is brought into the atmosphere of surrounding environment, reaches the purpose of cycle heat exchange.
Referring to Fig. 1, Fig. 2; The utility model also provides a kind of projector 1, comprises shell body 12 and is located at the heater element in the said shell body 12, and the heater element in the projector 1 is mainly high-power light engine; Said projector 1 also comprises above-mentioned described heat abstractor 11; Particularly, said shell body 12 is the tetragonal body structure, is to be processed by the material of high heat conduction.It can prevent that corrosion can be at water environment even underwater operation.
Further; See also Fig. 2, Fig. 3, a kind of embodiment of the projector that provides as the utility model, said projector 1 also comprises master control board 17, ray machine 18 and the power supply 19 that is located in the said shell body 12; Said power supply 19 is for said heating element works electric power; Said master control board 17 control laser instrument and display images, said ray machine 18 comprises camera lens and illuminator, to be responsible for image projection.
The above is merely the utility model preferred embodiment; Its structure is not limited to the above-mentioned shape of enumerating; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. heat abstractor is located in the shell body, and the heater element in order in the cooled enclosure body is characterized in that, comprises
Refrigerator is located in the said shell body, comprises a hot junction and a cold junction, and said hot junction is connected with said shell body;
Heat radiator, it is connected with said cold junction;
Fan is arranged between said heater element and the said refrigerator, distributes the airflow of said heater element heat in order to generation.
2. heat abstractor as claimed in claim 1 is characterized in that: said refrigerator is installed in the said shell body in order to screw, and said heat radiator is located on the said refrigerator.
3. heat abstractor as claimed in claim 2 is characterized in that: said heat radiator sticks on the said refrigerator through alite paste.
4. like each described heat abstractor of claim 1-3, it is characterized in that: said refrigerator is a semiconductor chilling plate.
5. heat abstractor as claimed in claim 1; It is characterized in that: the cold junction of said refrigerator comprises horizontal layer arrangement and a cold junction insulation course, a cold side metal layer, the semi-conductor layer processed by stupalith; Said hot junction comprises a hot junction insulation course and a hot side metal layer of being processed by stupalith; Said cold junction insulation course and said hot junction insulation course are distinguished double team in the outside of said cold side metal layer and said hot side metal layer, said cold side metal layer and the said semiconductor layer of said hot side metal layer double team.
6. heat abstractor as claimed in claim 1 is characterized in that: also comprise the air channel, inside that heat interchange is carried out in the circulation of guiding airflow.
7. heat abstractor as claimed in claim 6 is characterized in that: said inner air channel is a pipeline that is located in the said shell body, and said pipeline is connected to said shell body one end from said fan.
8. projector comprises a shell body and is located at the heater element in the said shell body, and it is characterized in that: said projector also comprises each described heat abstractor like above-mentioned claim 1-7.
9. projector as claimed in claim 8 is characterized in that: said shell body is the tetragonal body structure, is to be processed by the material of high heat conduction.
10. projector as claimed in claim 8; It is characterized in that: said projector further comprises master control board, ray machine and the power supply that is located in the said shell body; Said power supply is for said heating element works electric power; Said master control board control laser instrument and display image, said ray machine comprises camera lens and illuminator, to be responsible for image projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204224060U CN202351605U (en) | 2011-10-31 | 2011-10-31 | Projector and radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204224060U CN202351605U (en) | 2011-10-31 | 2011-10-31 | Projector and radiating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202351605U true CN202351605U (en) | 2012-07-25 |
Family
ID=46540595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204224060U Expired - Fee Related CN202351605U (en) | 2011-10-31 | 2011-10-31 | Projector and radiating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202351605U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424964A (en) * | 2013-09-11 | 2013-12-04 | 吴佳明 | Projector capable of being used for underwater working |
| CN104317149A (en) * | 2014-10-09 | 2015-01-28 | 苏州佳世达光电有限公司 | Projection device |
| CN106444239A (en) * | 2015-08-04 | 2017-02-22 | 杨毅 | Illuminating device, lighting fitting, projection display device |
| CN107301796A (en) * | 2017-09-04 | 2017-10-27 | 徐朋飞 | A kind of educational projector for possessing recording function |
| CN108227342A (en) * | 2018-01-24 | 2018-06-29 | 合肥埃科光电科技有限公司 | A kind of radiator for industrial camera |
| CN108307607A (en) * | 2017-01-13 | 2018-07-20 | 慧与发展有限责任合伙企业 | Inlet channel with thermoelectric cooling element |
| CN113286461A (en) * | 2021-04-16 | 2021-08-20 | 深圳供电局有限公司 | Distribution line diagnostic device with reinforced safety protection structure |
-
2011
- 2011-10-31 CN CN2011204224060U patent/CN202351605U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424964A (en) * | 2013-09-11 | 2013-12-04 | 吴佳明 | Projector capable of being used for underwater working |
| CN104317149A (en) * | 2014-10-09 | 2015-01-28 | 苏州佳世达光电有限公司 | Projection device |
| CN104317149B (en) * | 2014-10-09 | 2016-08-24 | 苏州佳世达光电有限公司 | Projection arrangement |
| CN106444239A (en) * | 2015-08-04 | 2017-02-22 | 杨毅 | Illuminating device, lighting fitting, projection display device |
| CN108307607A (en) * | 2017-01-13 | 2018-07-20 | 慧与发展有限责任合伙企业 | Inlet channel with thermoelectric cooling element |
| CN108307607B (en) * | 2017-01-13 | 2020-05-26 | 慧与发展有限责任合伙企业 | Intake passage with thermoelectric cooling element |
| CN107301796A (en) * | 2017-09-04 | 2017-10-27 | 徐朋飞 | A kind of educational projector for possessing recording function |
| CN108227342A (en) * | 2018-01-24 | 2018-06-29 | 合肥埃科光电科技有限公司 | A kind of radiator for industrial camera |
| CN113286461A (en) * | 2021-04-16 | 2021-08-20 | 深圳供电局有限公司 | Distribution line diagnostic device with reinforced safety protection structure |
| CN113286461B (en) * | 2021-04-16 | 2023-03-03 | 深圳供电局有限公司 | Distribution line diagnostic device with reinforced safety protection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20171031 |