CN103728823A - Waste heat utilization projector heat dissipation system based on thermoelectric conversion - Google Patents
Waste heat utilization projector heat dissipation system based on thermoelectric conversion Download PDFInfo
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- CN103728823A CN103728823A CN201310746751.3A CN201310746751A CN103728823A CN 103728823 A CN103728823 A CN 103728823A CN 201310746751 A CN201310746751 A CN 201310746751A CN 103728823 A CN103728823 A CN 103728823A
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Abstract
A waste heat utilization projector heat dissipation system based on thermoelectric conversion comprises a projector bulb, a direct current fan, a first thermoelectric conversion material, a second thermoelectric conversion material and a third thermoelectric conversion material, wherein the hot end of the first thermoelectric conversion material, the hot end of the second thermoelectric conversion material and the hot end of the third thermoelectric conversion material are connected to the upper surface of the projector bulb, the rear surface of the projector bulb and the lower surface of the projector bulb respectively, the direct current fan is arranged on the left side of the projector bulb, and the electric energy generated by the first thermoelectric conversion material, the second thermoelectric conversion material and the third thermoelectric conversion material is conveyed to the direction current fan through wires. The waste heat utilization projector heat dissipation system based on thermoelectric conversion is reasonable in design, simple in structure, and capable of guaranteeing electric supply of the heat dissipation system of the projector bulb and protection of the projector bulb under the condition of improper manual operation.
Description
Technical field
The invention belongs to technical field of thermoelectric conversion, specifically, is that a kind of used heat that utilizes projector bulb to produce generates electricity, the projector radiating system for bulb heat radiation fan by electric energy then.
Background technology
At present, projector has been widely used in family, office, school and public place of entertainment.LCD(Liquid Crystal Display) liquid crystal projection apparatus, can be divided into liquid crystal board projector and liquid crystal light valve projector, the former is the major product in projector market.Polysilicon LCD plate non-refractory, newer type is all equipped with temperature sensor near LCD plate, when air inlet and dirt filtrating screen blocked, when air-flow is smooth, projection built-in temperature can raise rapidly, at this moment temperature sensor can be reported to the police and be cut off immediately lamp source circuit.Projector is very harsh to the performance requirement of cooling system, therefore all can be the therein integrated cooling system driving by additional power of projector manufacturer, and mate temperature sensitive fan control system, to guarantee that cooling system started smoothly before bulb temperature reaches dangerous values.But this part additional control system has reduced the reliability of system to a great extent: once thermal sensing element accidental damage, fan just can not start automatically, and bulb is burnt.Moreover, when user finishes to use projector, if powered-down immediately, radiator fan can quit work immediately, causes bulb temperature not to be down to rapidly in safe range.If utilize thermoelectric generation technology, the used heat that projector bulb is produced is converted into electric energy, thereby offer cooling system work and replace extra power supply, can realize the effective utilization to used heat, and the maloperation of power switch can not affect the ventilation and heat of projector, can ensure better the safety in operation of projector.Under the very huge prerequisite of projector use amount, adopt native system not only to have good energy-saving effect, be also conducive to improve the serviceable life of projector, it has a extensive future.
Find by prior art documents, number of patent application a kind of waste heat utilization device that has been 201210154997.7 Introduction To Cn Patent, this patent readme is: the present invention designs a kind of for internal combustion engine, the particularly waste heat utilization device of the internal combustion engine of motor vehicle, it has the used heat that actuating medium circulates therein and utilizes loop, evaporator is located at used heat and utilizes in loop for evaporating actuating medium, this actuating medium can be supplied with the waste gas of internal combustion engine, expansion machine is arranged on used heat and utilizes the downstream of the evaporator in loop for this actuating medium that expands, condenser is arranged on used heat and utilizes the downstream of the expansion machine in loop for condensation actuating medium, transmitting device is arranged on used heat and utilizes the downstream of condenser in loop for transmitting the actuating medium that utilizes loop at used heat, and heat-storing device.But because this device is comprised of parts such as evaporator, expansion machine, transmitting device, condenser and heat-storing devices, and need actuating medium, be not suitable for using in this special small space of projector.
Summary of the invention
The present invention is directed to above-mentioned deficiency, provide a kind of used heat based on thermoelectricity conversion to utilize projector radiating system, can save the electric power energy that projector radiating system needs, can avoid again projector bulb because artificial improper operation causes damage simultaneously.
The present invention is achieved through the following technical solutions, the present invention includes projector bulb, DC fan, the first thermo-electric converting material, the second thermo-electric converting material and the 3rd thermo-electric converting material, the hot junction of the first thermo-electric converting material, the second thermo-electric converting material and the 3rd thermo-electric converting material is connected to upper surface, rear surface and the lower surface of projector bulb, DC fan is arranged in the left side of projector bulb, and the electric energy that the first thermo-electric converting material, the second thermo-electric converting material and the 3rd thermo-electric converting material produce flows to DC fan by wire.
Further, the first thermo-electric converting material, the second thermo-electric converting material and the 3rd thermo-electric converting material are all to utilize heat conductive silica gel to stick to the surface of described projector bulb in the present invention.
Further, in the present invention, also comprise some thermoelectric materials, these thermoelectric materials also utilize heat conductive silica gel to stick to the front surface of described projector bulb.
Further, in the present invention, also comprise special control module, the parallel connection that control module can be correlated with to each thermo-electric converting material and series connection are switched.
Further, also comprise in the present invention special power storage module, the unnecessary electric energy that can send each thermo-electric converting material stores.
In implementation process of the present invention, multiple thermo-electric converting materials utilize heat conductive silica gel to stick to the surface of described projector bulb, so just the heat of projector can be converted to electric energy, and electric energy drives DC fan to dispel the heat to projector again.In the present invention, can also add again special thermoelectricity conversion and control module, can control in real time the connected mode of multiple thermo-electric converting materials, in due course thermo-electric converting material be carried out to the mutual switching between parallel connection and series connection, to meet the electrical energy demands of DC fan.In the present invention, can also add special power storage module, the unnecessary electric energy that can send each thermo-electric converting material stores again.
The invention has the beneficial effects as follows: save the electric power energy that projector radiating system needs, the while, because the present invention's use is passive cooling system, can avoid projector bulb because artificial improper operation causes damage effectively.Used heat based on thermoelectricity conversion provided by the invention utilizes projector radiating system will effectively reduce projector operating ambient temperature, improves instrument work efficiency, extends its serviceable life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Label in accompanying drawing is respectively: 1, projector bulb, 2, DC fan, 3, the first thermo-electric converting material, 4, the second thermo-electric converting material, 5, the 3rd thermo-electric converting material.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, the present embodiment, take technical solution of the present invention as prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
embodiment
Embodiments of the invention as shown in Figure 1, the present invention includes projector bulb 1, DC fan 2, the first thermo-electric converting material 3, the second thermo-electric converting material 4 and the 3rd thermo-electric converting material 5, the first thermo-electric converting material 3, the hot junction of the second thermo-electric converting material 4 and the 3rd thermo-electric converting material 5 is connected to the upper surface of projector bulb 1, rear surface and lower surface, DC fan 2 is arranged in the left side of projector bulb 1, the first thermo-electric converting material 3, the electric energy that the second thermo-electric converting material 4 and the 3rd thermo-electric converting material 5 produce flows to DC fan 2 by wire, the first thermo-electric converting material 3, the second thermo-electric converting material 4 and the 3rd thermo-electric converting material 5 are all to utilize heat conductive silica gel to stick to the surface of described projector bulb 1.
In implementation process of the present invention, multiple thermo-electric converting materials utilize heat conductive silica gel to stick to the surface of described projector bulb 1, so just the heat of projector can be converted to electric energy, and electric energy drives DC fan 2 to dispel the heat to projector bulb 1 again.In the present invention, can also add again special thermoelectricity conversion and control module, can control in real time the connected mode of multiple thermo-electric converting materials, in due course thermo-electric converting material be carried out to the mutual switching between parallel connection and series connection, to meet the electrical energy demands of DC fan 2.In the present invention, can also add special power storage module, the unnecessary electric energy that can send each thermo-electric converting material stores again.
Except above-mentioned example, all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the scope of protection of the invention.
Claims (5)
1. the used heat based on thermoelectricity conversion utilizes projector radiating system, comprise projector bulb (1), it is characterized in that, also comprise DC fan (2), the first thermo-electric converting material (3), the second thermo-electric converting material (4) and the 3rd thermo-electric converting material (5), the first thermo-electric converting material (3), the hot junction of the second thermo-electric converting material (4) and the 3rd thermo-electric converting material (5) is connected to the upper surface of projector bulb (1), rear surface and lower surface, DC fan (2) is arranged in the left side of projector bulb (1), the first thermo-electric converting material (3), the electric energy that the second thermo-electric converting material (4) and the 3rd thermo-electric converting material (5) produce flows to DC fan (2) by wire.
2. the used heat based on thermoelectricity conversion according to claim 1 utilizes projector radiating system, it is characterized in that, described the first thermo-electric converting material (3), the second thermo-electric converting material (4) and the 3rd thermo-electric converting material (5) is all to utilize heat conductive silica gel to stick to the surface of described projector bulb (1).
3. the used heat based on thermoelectricity conversion according to claim 2 utilizes projector radiating system, it is characterized in that, also comprises some thermoelectric materials, and these thermoelectric materials also utilize heat conductive silica gel to stick to the front surface of described projector bulb (1).
4. the used heat based on thermoelectricity conversion according to claim 3 utilizes projector radiating system, it is characterized in that, also comprise special thermoelectricity conversion and control module, the parallel connection that thermoelectricity conversion and control module can be correlated with to each thermo-electric converting material and series connection are switched.
5. the used heat based on thermoelectricity conversion according to claim 4 utilizes projector radiating system, it is characterized in that, also comprise special power storage module, the unnecessary electric energy that can send each thermo-electric converting material stores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310746751.3A CN103728823A (en) | 2013-12-30 | 2013-12-30 | Waste heat utilization projector heat dissipation system based on thermoelectric conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310746751.3A CN103728823A (en) | 2013-12-30 | 2013-12-30 | Waste heat utilization projector heat dissipation system based on thermoelectric conversion |
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| Publication Number | Publication Date |
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| CN103728823A true CN103728823A (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310746751.3A Pending CN103728823A (en) | 2013-12-30 | 2013-12-30 | Waste heat utilization projector heat dissipation system based on thermoelectric conversion |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372914A (en) * | 2015-12-15 | 2016-03-02 | 重庆触视科技有限公司 | Laser projector heat radiation device |
| CN105509198A (en) * | 2016-01-18 | 2016-04-20 | 珠海格力电器股份有限公司 | Folding type portable air conditioner |
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|---|---|---|---|---|
| CN1532955A (en) * | 2003-03-24 | 2004-09-29 | ������������ʽ���� | Thermoelectric generator |
| CN101225946A (en) * | 2008-01-22 | 2008-07-23 | 西安交通大学 | LED lighting device capable of recovery heat |
| CN101324746A (en) * | 2007-06-15 | 2008-12-17 | 精工爱普生株式会社 | Projector |
| CN202791914U (en) * | 2012-07-24 | 2013-03-13 | 常州欧密格光电科技有限公司 | LED lamp radiating and waste heat recovery device |
| CN203162613U (en) * | 2013-01-14 | 2013-08-28 | 中山市倍森电子科技有限公司 | LED lamp with novel cooling system |
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2013
- 2013-12-30 CN CN201310746751.3A patent/CN103728823A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1532955A (en) * | 2003-03-24 | 2004-09-29 | ������������ʽ���� | Thermoelectric generator |
| CN101324746A (en) * | 2007-06-15 | 2008-12-17 | 精工爱普生株式会社 | Projector |
| CN101225946A (en) * | 2008-01-22 | 2008-07-23 | 西安交通大学 | LED lighting device capable of recovery heat |
| CN202791914U (en) * | 2012-07-24 | 2013-03-13 | 常州欧密格光电科技有限公司 | LED lamp radiating and waste heat recovery device |
| CN203162613U (en) * | 2013-01-14 | 2013-08-28 | 中山市倍森电子科技有限公司 | LED lamp with novel cooling system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372914A (en) * | 2015-12-15 | 2016-03-02 | 重庆触视科技有限公司 | Laser projector heat radiation device |
| CN105509198A (en) * | 2016-01-18 | 2016-04-20 | 珠海格力电器股份有限公司 | Folding type portable air conditioner |
| CN105509198B (en) * | 2016-01-18 | 2019-04-02 | 珠海格力电器股份有限公司 | A kind of folding-type portable air-conditioning |
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Application publication date: 20140416 |