CN101902175A - Miniature solar generating unit - Google Patents
Miniature solar generating unit Download PDFInfo
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- CN101902175A CN101902175A CN2009101434149A CN200910143414A CN101902175A CN 101902175 A CN101902175 A CN 101902175A CN 2009101434149 A CN2009101434149 A CN 2009101434149A CN 200910143414 A CN200910143414 A CN 200910143414A CN 101902175 A CN101902175 A CN 101902175A
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Abstract
The invention provides a miniature solar generating unit which comprises solar heating equipment and a temperature difference power generating set, wherein the temperature difference power generating set comprises a thermoelectric pile array, a heat supply fluid container and a heat radiator, one surface (hot surface) of a thermoelectric pile is tightly attached to the heat supply fluid container (8), and the other surface (cold surface) of the thermoelectric pile is tightly attached to the heat radiator to form temperature difference for powe4r generation. The miniature solar generating unit changes an operating medium 'water' of a solar water heater into high-boiling point 'oil' so that heating temperature is improved to 150-160 DEG C, thus significantly increasing output power of the temperature difference power generating set. The miniature solar generating unit is suitable for household power supply or directly used for load of electrical equipment in need of DC supply or power supply matched with a DC inverter technology for power supply, and excessive electric energy can be fed to a power grid; and temperature of the delivered cooling water can reach 40-50 DEG C, thus being capable of being used for household heating, bathing and living. The low-cost and multifunctional solar generating unit is favorable for popularization to really realize energy conservation and emission reduction as well as environmental protection.
Description
Technical field
The present invention for a kind of be the generating equipment of thermal source with solar energy, especially a kind of with improved solar water heater heat supply, realize the miniature solar generating set of the direct conversion of heat-electricity with the thermoelectric pile thermo-electric generation.
Background technology
Be energy-saving and emission-reduction, the protection environment, utilizing solar power generation, heat supply is a good approach.Current solar power generation mode all is to take the form of solar-energy photo-voltaic cell transducing, sets up solar photovoltaic power plant, and this solar photovoltaic power plant cost is higher, is unfavorable for popularization and application.Solar water heater then is to take the glass tube with vacuum heat collection technology that water is heated, for living needs.
Seebeck effect is the theoretical foundation of thermo-electric generation, and semiconductor heat electric device (hereinafter to be referred as thermoelectric pile) is exactly according to this theoretical device of producing.When keep a temperature difference on the two sides of thermoelectric pile, thermoelectric pile is exportable electric energy, and the temperature difference is big more, and energy output is many more; For example the temperature of automobile exhaust pipe can reach more than 300 ℃, and once the someone utilized automobile exhaust pipe to cross the thermoelectric pile thermo-electric generation do pyrogenic test, and obtained certain effect, obtains conclusion and thinks the favourable increase electromotive power output of temperature that improves thermal source.This " thermo-electric generation " apparatus structure is simple, does not have machinery motion, noiseless, has realized the direct conversion of heat-electricity.
Summary of the invention
The technical problem that the present invention solves is at the deficiencies in the prior art; a kind of low cost, multifunctional solar generating unit are provided; with the solar water heater heat supply; direct conversion with thermoelectric pile realization heat-electricity is generated electricity; the power supply of suitable family; help penetration and promotion, really realize energy-saving and emission-reduction, protection environment.
The technical solution adopted for the present invention to solve the technical problems provides a kind of miniature solar generating set, comprise solar heat collector and temperature difference electricity generation device, wherein said temperature difference electricity generation device comprises thermoelectric pile array, heat supply flow container and radiator, the high-temp liquid that solar heat collector produces is communicated to the heat supply flow container by the hydrothermal solution circulating line, the one side of thermoelectric pile is that hot side is close to the heat supply flow container, the another side of thermoelectric pile is the huyashi-chuuka (cold chinese-style noodles) held against heat sink, connects generating output cathode and generating output negative pole on the thermoelectric pile.
Described miniature solar generating set, solar heat collector wherein adopt solar energy deep fat device, and what circulate in hydrothermal solution circulating line and heat supply flow container is deep fat.
Described miniature solar generating set, radiator wherein adopt recirculated water cooling heat radiation jar, are connected with cooling water intake and cooling water outlet.The recirculated water leaving water temperature of cooling water outlet is 40～50 ℃.
Described miniature solar generating set, generating output cathode wherein also is connected follow-up DC/DC converter, storage battery, accumulator cell charging and discharging administration module and DC/AC inverter with the generating output negative pole.
In the above-mentioned technical scheme, because the energy output of single thermoelectric pile is little, the mode of available a plurality of thermoelectric pile series, parallel is formed the thermoelectric pile array and is increased energy output.Also have, the temperature difference on thermoelectric pile two sides is big more, and energy output is many more.How to improve the solar water heater heat supply temperature? will transform solar water heater for this reason, be about to working media " water " and change into high boiling " oil ", so solar water heater has just become " solar energy deep fat device ".If not transforming solar water heater is hot oil machine, construction power is that the small-sized household direct-current generating device difficulty of 200W～500W is a lot.The boiling point of water has only 100 ℃, and the heat supply temperature of solar water heater is greatly about 80～90 ℃; The boiling point of high boiling " oil " can reach more than 300 ℃, and heat supply temperature can be high a lot.Take all factors into consideration the temperature upper limit that long-term work fatigue performance and existing solar water heater are heated and can be reached under the present stage thermoelectric pile material at high temperature, select 150～160 ℃ heat supply temperature better.
During generating, the one side of thermoelectric pile is that hot side is close to thermal source, and the another side of thermoelectric pile is that huyashi-chuuka (cold chinese-style noodles) is wanted good heat radiating, to keep lower temperature, could guarantee that like this there is the enough big temperature difference on the two sides of thermoelectric pile, and enough electric energy output is arranged.The mode of the huyashi-chuuka (cold chinese-style noodles) heat radiation of thermoelectric pile is a lot, as is close to shape radiator, heat-pipe radiator etc.For accomplishing that heat energy makes full use of, the huyashi-chuuka (cold chinese-style noodles) of thermoelectric pile takes recirculated water cooling cooling measure for well, but the leaving water temperature of design cycle water is about 40～50 ℃, and the temperature difference on thermoelectric pile two sides can reach more than 100 ℃ like this.Cooling water can though solar water heater has been transformed into " solar energy deep fat device ", still play solar water heater for the usefulness of family's heating, bathing and life.
Certainly, this cover thermo-electric generation unit also should comprise voltage stabilizing, storage battery and storage battery charge and discharge administrative section, for the household appliances compatibility of current AC-powered, also the dc inversion part should be arranged.
Miniature solar generating set of the present invention can be realized many-sided technique effect.Investigate the solar power generation scheme, also have only photovoltaic generation a kind of at present, with " solar energy deep fat device " heat supply, realize that in conjunction with thermoelectric pile the scheme of thermo-electric generation yet there are no all reports.The mini domestic DC generation unit that to adopt the very suitable construction power of this scheme be 200W～500W, in fact a lot of household electrical appliance all suit or need low-voltage DC supply, instead bother with the AC network power supply, also will increase rectifying and wave-filtering step-down link.This has saved resource for society again, can be rated as a bigger change.
The miniature solar generating set has been realized the direct conversion of heat-electricity, the power supply of suitable family, or be directly used in the electric appliance load that needs direct current supply, or cooperate the power supply of dc inversion technology, unnecessary electric energy also can be presented electrical network.Do not have machinery motion, noiseless, and cooling water still can be for the usefulness of family's heating, bathing and life.This low cost, multifunctional solar generating unit help penetration and promotion, really realize energy-saving and emission-reduction, protection environment.
Description of drawings
Fig. 1 is the present invention realizes thermo-electric generation output with " solar energy deep fat device " heat supply, with thermoelectric pile a schematic diagram;
Fig. 2 is the present invention's block diagram that the output subsequent technology handles that generates electricity.
The implication that each sequence number among the figure is represented is:
(1) solar energy deep fat device (2) hydrothermal solution circulating line
(3) radiator (4) thermoelectric pile array
(5) cooling water outlet (6) heat-barrier material
(7) thermoelectric pile array (8) heat supply flow container
(9) cooling water intake (10) generating output negative pole
(11) generating output cathode (12) hydrothermal solution circulating line by-pass valve control
(13) storage battery (14) direct current output
(15) alternating current output (16) alternating current output
(17) DC/AC inverter (18) direct current output
(19) storage battery charge and discharge administration module (20) DC/DC converter
Embodiment
Come further description of the drawings and explanation invention of the present invention place below in conjunction with embodiment.
In Fig. 1, the present invention is transformed into solar water heater " solar energy deep fat device ", and purpose is to improve the solar water heater heat supply temperature, improves the power output of thermoelectric pile thermo-electric generation.Because oils medium boiling point height, heat accumulation is good, and long-term work is less scaling, and the oily temperature of output can exceed water temperature tens degree.The vexed solarization temperature of solar water heater can reach more than 270 ℃, and it is fully possible that oily medium is heated to 170～180 ℃, that is to say that it is simple solar water heater being transformed into " solar energy deep fat device ".
Oil after solar energy deep fat device (1) heating enters heat supply flow container (8) by hydrothermal solution circulating line (2).The hot side of thermoelectric pile array (4), (7) is close to the outer surface of heat supply flow container (8), considers that deep fat has some thermal losss by circulating line, and the hot side of thermoelectric pile can be warmed to 150～160 ℃ temperature.The huyashi-chuuka (cold chinese-style noodles) of thermoelectric pile array (4), (7) is close to the outer surface of chilled water tank, is dispelled the heat by the recirculated water by chilled water tank.But the leaving water temperature of design cycle water is about 40～50 ℃, and the temperature difference on thermoelectric pile two sides can reach more than 100 ℃ like this.Cooling water can accomplish that heat energy makes full use of for the usefulness of family.Fig. 1 only draws cooling water intake (9) and cooling water outlet (5), and circulating water pipeline etc. do not omit and draw.The hot side of thermoelectric pile and the space between the huyashi-chuuka (cold chinese-style noodles) will use heat-barrier material (6) to fill, and electric energy is by generating output cathode (11) and the output of generating output negative pole (10) two leads.
Fig. 2 is the present invention's block diagram that the output subsequent technology handles that generates electricity, the output of thermoelectric pile thermo-electric generation be direct current, the height of its output voltage is by the form decision of thermoelectric pile array series, parallel.Because heat source temperature and chilling temperature change at any time, its output voltage is also along with variation, be that this voltage is unsettled, need do voltage stabilizing handles, added DC/DC converter (20) afterwards in generating output (11), (10), its effect is that this voltage is become a stable direct current, and the height of this voltage can be determined according to concrete needs.
Be prevention rainy weather influence generating, set up storage battery (13) and storage battery charge and discharge administration module (19) is necessary, the dc electric apparatus load just can be with in direct current output (14) and (18) two ends thereafter.For with the AC-powered compatibility, can add a DC/AC inverter (17) again, drive AC load.For adapting to the boost battery charge of larger capacity, also design a kind of " accumulation-instantaneous relase " pulse current charge mode, this invention separate case is applied for a patent.
Implementing the thermoelectric pile thermo-electric generation is the system engineering of an electromechanical integration, and it only is a basis that a good thermal source is arranged, and also is nowhere near, and wherein Machine Design and assembly technology are concerning the generating success or failure, and automatically controlled design relation power supply quality, all is very important.
In sum, technical characterstic of the present invention is:
1) transform solar water heater, be about to working media " water " and change into high boiling " oil ", so solar water heater has just become " solar energy deep fat device ", to improve heat supply temperature.
2) combine with the thermoelectric pile thermo-electric generation, make the family expenses temperature difference electricity generation device.Can make at present hundreds of watts low power, also might make in the future powerful, as solar photovoltaic power plant.
3) huyashi-chuuka (cold chinese-style noodles) of thermoelectric pile is taked recirculated water cooling cooling measure, and the leaving water temperature of design cycle water is about 45～50 ℃, and cooling water can accomplish that heat energy makes full use of for the usefulness of family.
The above, it only is preferable enforcement example of the present invention, be not that any pro forma restriction is done in invention, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified to the equivalent embodiment of equivalent variations, but every technical solution of the present invention content that do not break away from,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (5)
1. miniature solar generating set, comprise solar heat collector and temperature difference electricity generation device, it is characterized in that: described temperature difference electricity generation device comprises thermoelectric pile array (4,7), heat supply flow container (8) and radiator (3), the high-temp liquid that solar heat collector produces is communicated to heat supply flow container (8) by hydrothermal solution circulating line (2), the one side of thermoelectric pile is that hot side is close to heat supply flow container (8), the another side of thermoelectric pile is huyashi-chuuka (cold chinese-style noodles) held against heat sink (3), connects generating output cathode (11) and generating output negative pole (10) on the thermoelectric pile.
2. miniature solar generating set as claimed in claim 1 is characterized in that described solar heat collector adopts solar energy deep fat device (1), and what circulate in hydrothermal solution circulating line (2) and heat supply flow container (8) is deep fat.
3. miniature solar generating set as claimed in claim 1 or 2 is characterized in that described radiator (3) adopts recirculated water cooling heat radiation jar, is connected with cooling water intake (9) and cooling water outlet (5).
4. miniature solar generating set as claimed in claim 3, the recirculated water leaving water temperature that it is characterized in that described cooling water outlet (5) is 40～50 ℃.
5. as claim 1,2 or 4 described miniature solar generating sets, the output cathode (11) that it is characterized in that generating electricity also is connected follow-up DC/DC converter (20), storage battery (11), accumulator cell charging and discharging administration module (19) and DC/AC inverter (17) with generating output negative pole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101434149A CN101902175A (en) | 2009-05-25 | 2009-05-25 | Miniature solar generating unit |
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|---|---|---|---|
| CN2009101434149A CN101902175A (en) | 2009-05-25 | 2009-05-25 | Miniature solar generating unit |
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| CN101902175A true CN101902175A (en) | 2010-12-01 |
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| CN2009101434149A Pending CN101902175A (en) | 2009-05-25 | 2009-05-25 | Miniature solar generating unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104271A (en) * | 2014-06-17 | 2014-10-15 | 安徽宿州懂你电力工程有限公司 | Household power generation device of solar water heater |
| US20150027511A1 (en) * | 2013-07-23 | 2015-01-29 | Lsis Co., Ltd. | Temperature control system for solar cell module |
| CN111447346A (en) * | 2020-04-30 | 2020-07-24 | 重庆大学 | Deicing and demisting device of field monitoring camera and mobile energy supply device thereof |
-
2009
- 2009-05-25 CN CN2009101434149A patent/CN101902175A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150027511A1 (en) * | 2013-07-23 | 2015-01-29 | Lsis Co., Ltd. | Temperature control system for solar cell module |
| US9847440B2 (en) * | 2013-07-23 | 2017-12-19 | Lsis Co., Ltd. | Temperature control system for solar cell module |
| CN104104271A (en) * | 2014-06-17 | 2014-10-15 | 安徽宿州懂你电力工程有限公司 | Household power generation device of solar water heater |
| CN111447346A (en) * | 2020-04-30 | 2020-07-24 | 重庆大学 | Deicing and demisting device of field monitoring camera and mobile energy supply device thereof |
| CN111447346B (en) * | 2020-04-30 | 2020-12-22 | 重庆大学 | Deicing and demisting device of field monitoring camera and mobile energy supply device thereof |
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Addressee: Sanhe Hualong New Energy Co., Ltd. Document name: Notification that Application Deemed to be Withdrawn |
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Application publication date: 20101201 |