CN202918223U - Power generating device utilizing temperature difference between internal and external environments of building - Google Patents
Power generating device utilizing temperature difference between internal and external environments of building Download PDFInfo
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- CN202918223U CN202918223U CN2012202748437U CN201220274843U CN202918223U CN 202918223 U CN202918223 U CN 202918223U CN 2012202748437 U CN2012202748437 U CN 2012202748437U CN 201220274843 U CN201220274843 U CN 201220274843U CN 202918223 U CN202918223 U CN 202918223U
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Abstract
The utility model discloses a power generating device utilizing the temperature difference of internal and external environments of a building, belonging to the technical fields of thermal energy utilization and energy conservation. A heat pipe heat exchanger is installed outside a building, a semiconductor power generating module is installed inside the building, a heat conduction device is fixed together with a radiating surface of the semiconductor power generating module together to form a semiconductor thermoelectric battery, the output of the semiconductor thermoelectric battery is connected with the input of a booster regulator, and the output of the booster regulator is respectively connected with a storage battery and household electric equipment. The power generating device utilizes the difference between the temperature inside the residential building and that in the external environment to drive the semiconductor thermoelectric battery to generate power and is widely used in the household electric equipment as an auxiliary power supply. The power generating device has the advantages of being free from mechanical movement, noise-free, pollution-free, non-wear, long in service life and the like, thus having important practical significance for the development of new energy.
Description
Technical field
The utility model belongs to heat energy utilization and energy-saving equipment field, particularly a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT) of utilizing the building internal and external environment temperature difference.
Background technology
Since the industrial civilization, huge material wealth has been created in the human development that has greatly promoted scientific and technological civilization.But a series of global resources shortage, environmental problem not only seriously restrict socioeconomic progress, and the mankind's survival have been consisted of serious threat.As everyone knows, the conventional energy resource that occurring in nature exists, the quantity that comprises oil, natural gas and coal is very limited.And these energy take all oneself and have caused very large destruction through the biological environment to the earth, have caused a lot of stubborn problems.Such as the at present toxic emission in the thermal power plant of operation, and the lasting discharging of the carbon dioxide in the vehicle exhaust etc., the greenhouse effect that are on the rise caused; The sour gas such as the burning discarded object sulfur oxide of industrial and agricultural production and communications and transportation, nitrogen oxide are converted into acid rain; When serious accident occured, nuclear radiation, nuclear leakage that nuclear power station occurs had also brought huge disaster to the mankind, and many countries are all reappraising the nuclear power developing problem.
Therefore, solution environment and energy gap problem are own through becoming the serious problems of 21 century facing mankind.China is in the critical stage of sustainable development, tap a new source of energy and take full advantage of low-grade energy, the wasted energy source is significant.Simultaneously, can save a large amount of fuel by energy-conservation, for reducing China at carbon dioxide, the discharging of sulfur dioxide and nitrogen oxide all has direct impact.There is a large amount of thermal waste phenomenons in China in various industrial processs, therefore develop various eco-friendly power-saving technologies, is very important.
In low-grade heat source is rationally utilized, thermo-electric generation is a kind of novel generation mode, has cleaning, and noiselessness pollutes, the unharmful substance discharging, efficiently, the life-span is long, and is sturdy and durable, reliability is high, the series of advantages such as simple and stable meet environment protection requirement, and the sustainable development of national economy is had important strategic importance.
The research early start of thermo-electric generation technology is the forties in 20th century.Borrow in its significant advantage, thermo-electric generation is widely used in fields such as aviation, military affairs, and the U.S., the former Soviet Union have have successively researched and developed the power supply that thousands of radioisotopes or nuclear reactor thermoelectric generator are used as space, marine device.Along with the increasingly exhaustion of fossil energy, the developed countries such as the U.S., Japan, European Union pay attention to the thermo-electric generation technology more in the research of civil area, and make some progress.A kind of combustion-type thermoelectric generator produced in USA in 1988 can use multiple service fuel oil, can realize uninterruptable power generation after once loading; The scholar of Lebanon university in 2003 utilizes a kind of high temperature of stove outer wall of the usefulness of cooking of this state and the temperature difference of environment to generate electricity.But directly utilize the household system of building internal and external environment temperature difference design not relate to.
China has certain strength aspect the research of semiconductor temperature differential generating, many researchers are devoted to how to utilize the research of low-grade heat source, some achievements have all been obtained separately, as utilize the solid adsorption type air conditioner of vehicle exhaust, and for example utilize the water heater of solar energy-refrigeration air-conditioner compounding machine, but utilize thermoelectric effect directly low-grade thermal power transfer but seldom to be mentioned at home for the research of electric energy.Domesticly still be in the starting stage in thermoelectric application facet, so the present invention utilizes the temperature difference direct generation of electricity that very real meaning is arranged.
The utility model content
The purpose of this utility model is the conventional energy resource that exists for occurring in nature, and the quantity that comprises oil, natural gas and coal is very limited.And these energy are taken all, and oneself has caused very large destruction through the biological environment to the earth, caused the deficiency of a lot of stubborn problems, a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT) of utilizing the building internal and external environment temperature difference is provided, it is characterized in that, the electricity generation system of utilizing the building internal and external environment temperature difference is that heat exchange of heat pipe 7 outside the building is installed, semiconductor electricity generation module 6 is installed in building, and the radiating surface of heat conductor spare 8 and semiconductor electricity generation module 6 is fixed together and consists of the semiconductor temperature difference battery; The output of semiconductor temperature difference battery is connected with the input of boost-voltage regulator 9, the output of boost-voltage regulator 9 connects respectively storage battery 10 and household electricity equipment 11.
The structure of described semiconductor electricity generation module is: at a pair of P type semiconductor and N type semiconductor two ends welding electric conductor copper 3, make the series connection of P type semiconductor and N type semiconductor consist of single N-P semi-conductor cell 4, be composed in series semiconductor electricity generation module 6 by M N-P semi-conductor cell 4, electric conductor copper 3 surface-coated one deck thermal insulation layer silicone grease 2 at semiconductor electricity generation module 6 two ends, the be placed in outermost layer of semiconductor electricity generation module 6 two ends thermal insulation layer silicone grease 2 of cold junction aluminium sheet 1 and hot junction aluminium sheet 1-1, with fastening bolt 5 cold junction aluminium sheet 1 and hot junction aluminium sheet 1-1 are fixed, consist of cold junction and the hot junction of semiconductor electricity generation module, then the cold junction of semiconductor electricity generation module and hot junction connect to form the semiconductor temperature difference battery with heat exchange of heat pipe 7 and heat conductor spare 8 respectively.
Described heat exchange of heat pipe and heat conductor spare are by heat pipe or superconductor manufacturing.
M is the positive integer of 100-1000 in described M the N-P semi-conductor cell.
The beneficial effects of the utility model are to utilize Seebeck effect, optimal design the semiconductor temperature difference battery; Utilize the generating of the building internal and external environment temperature difference, produce direct current, and direct current is directly used in household appliances; Or with storage battery electricity is stored first, be used further to it and use.The present invention takes full advantage of low grade heat energy, can save conventional fuel, protection of the environment.This device is simple, need not chemical reaction and machinery-free movable part, has cleaning, and noiselessness pollutes, the unharmful substance discharging, and the life-span is long, and is sturdy and durable, and reliability is high, simple and stable, a series of characteristics such as low price.Compare with present common method, this system can be with intermodulation in season Process of absorption or liberation of heat device; Realize low cost, relatively the high efficiency thermo-electric generation; Be easy to promote, market prospects are fine.
Description of drawings
Fig. 1 is the electricity generation system schematic diagram that utilizes the building internal and external environment temperature difference.
Fig. 2 is the semiconductor temperature differential generating basic principle schematic.
Fig. 3 is a kind of semiconductor temperature difference battery optimal design figure.
Embodiment
The utility model provides a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT) of utilizing the building internal and external environment temperature difference.Be explained below in conjunction with accompanying drawing.
Fig. 1 is the electricity generation system figure that utilizes the building internal and external environment temperature difference.System is made of semiconductor electricity generation module 6, heat exchange of heat pipe 7, heat conductor spare 8, boost-voltage regulator 9, storage battery 10 and household electricity equipment 11.Among the figure, heat exchange of heat pipe 7 is installed outside the building, semiconductor electricity generation module 6 is installed in building, the radiating surface of heat conductor spare 8 and semiconductor electricity generation module 6 is fixed together and consists of the semiconductor temperature difference battery; The output of semiconductor temperature difference battery is connected with the input of boost-voltage regulator 9, the output of boost-voltage regulator 9 connects respectively storage battery 10 and household electricity equipment 11.
Figure 3 shows that a kind of semiconductor temperature difference battery optimal design figure.The structure of the electricity generation module of semiconductor shown in the figure is: at a pair of P type semiconductor and N type semiconductor two ends welding electric conductor copper 3, make the series connection of P type semiconductor and N type semiconductor consist of single N-P semi-conductor cell 4, be composed in series semiconductor electricity generation module 6 by M N-P semi-conductor cell 4, electric conductor copper 3 surface-coated one deck thermal insulation layer silicone grease 2 at semiconductor electricity generation module 6 two ends, the be placed in outermost layer of semiconductor electricity generation module 6 two ends thermal insulation layer silicone grease 2 of cold junction aluminium sheet 1 and hot junction aluminium sheet 1-1, with fastening bolt 5 cold junction aluminium sheet 1 and hot junction aluminium sheet 1-1 are fixed, consist of cold junction and the hot junction of semiconductor electricity generation module, then the cold junction of semiconductor electricity generation module and hot junction connect to form the semiconductor temperature difference battery with heat exchange of heat pipe 7 and heat conductor spare 8 respectively.
The described suction heat release task of bearing thermal source and low-temperature receiver by heat exchange of heat pipe 7 and the heat conductor spare 8 of heat pipe or superconductor manufacturing; During summer and autumn, heat exchange of heat pipe 7 is accepted solar radiation and cross-ventilation heat exchange outdoor, and heat is conducted to quickly and efficiently on the hot junction aluminium sheet of semiconductor electricity generation module; Heat conductor spare 8 carries out free convection cooling at indoor normal-temperature water or the air of utilizing, and is reduced in the aluminium sheet temperature of semiconductor electricity generation module cold junction below the indoor temperature or remains on indoor temperature; The semiconductor electricity generation module generates direct current (semiconductor temperature differential generating basic principle as shown in Figure 2) under the effect of the temperature difference, for improving the direct current quality, be imported into boost-voltage regulator 9, thus the stable output high voltage electric energy; This moment, electric energy just can be used for storage battery 10 and household electricity equipment 11, such as light-emitting diode, and lithium battery, electromobile battery, computer, electric fan etc.; During winter in spring, outdoor is low-temperature receiver, and indoor these thermals source of floor heating, stove, heating installation or heated kang that utilize make system continue operation.
Semi-conducting material is elected Bi as in the related semiconductor temperature difference battery
2Te
3, its Seebeck coefficient α=530 μ v/k gets 500 μ v/k.Northern China temperature on average in summer is 38 ℃, and indoor temperature remains on 26 ℃, by heat exchange of heat pipe 7, heat conductor spare 8 efficient heat transfer, can make cold junction aluminium sheet and hot junction aluminium sheet 1 temperature difference reach 12 ℃.It is the 12V storage battery that storage battery 10 is selected the most frequently used discharge voltage, and its optimum charging voltage is 14.5V-15V, so for output voltage is maintained 14.5V-15V, adopt the boost-voltage regulator spare DC/DC transducer LTM4605 of 4.5 V low start voltages.As calculated, the thermoelectric pile that needs altogether 750 pairs of semiconductor thermocouples to form in the thermoelectric cell is considered compensation, uses in practice 800 pairs.
Claims (4)
1. Blast Furnace Top Gas Recovery Turbine Unit (TRT) of utilizing the building internal and external environment temperature difference, it is characterized in that, the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of utilizing the building internal and external environment temperature difference is that heat exchange of heat pipe (7) outside the building is installed, semiconductor electricity generation module (6) is installed in building, and the radiating surface of heat conductor spare (8) and semiconductor electricity generation module (6) is fixed together and consists of the semiconductor temperature difference battery; The output of semiconductor temperature difference battery is connected with the input of boost-voltage regulator (9), the output of boost-voltage regulator (9) connects respectively storage battery (10) and household electricity equipment (11).
2. the described Blast Furnace Top Gas Recovery Turbine Unit (TRT) of utilizing the building internal and external environment temperature difference according to claim 1, it is characterized in that, the structure of described semi-conductor thermo-electric generation module is: at a pair of P type semiconductor and N type semiconductor two ends welding electric conductor copper (3), make the series connection of P type semiconductor and N type semiconductor consist of single N-P semi-conductor cell (4), be composed in series semiconductor electricity generation module (6) by M N-P semi-conductor cell (4), electric conductor copper (3) surface-coated one deck thermal insulation layer silicone grease (2) at semiconductor electricity generation module (6) two ends, the be placed in outermost layer of semiconductor electricity generation module (6) two ends thermal insulation layer silicone grease (2) of cold junction aluminium sheet (1) and hot junction aluminium sheet (1-1), with fastening bolt (5) cold junction aluminium sheet (1) and hot junction aluminium sheet (1-1) are fixed, consist of cold junction and the hot junction of semi-conductor thermo-electric generation module, then the cold junction of semi-conductor thermo-electric generation module and hot junction connect to form the semiconductor temperature difference battery with heat exchange of heat pipe (7) and heat conductor spare (8) respectively.
3. the described Blast Furnace Top Gas Recovery Turbine Unit (TRT) of utilizing the building internal and external environment temperature difference according to claim 1 is characterized in that described heat exchange of heat pipe and heat conductor spare are by heat pipe or superconductor manufacturing.
4. the described Blast Furnace Top Gas Recovery Turbine Unit (TRT) of utilizing the building internal and external environment temperature difference according to claim 1 is characterized in that M is the positive integer of 100-1000 in described M the N-P semi-conductor cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202748437U CN202918223U (en) | 2012-06-11 | 2012-06-11 | Power generating device utilizing temperature difference between internal and external environments of building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012202748437U CN202918223U (en) | 2012-06-11 | 2012-06-11 | Power generating device utilizing temperature difference between internal and external environments of building |
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| CN202918223U true CN202918223U (en) | 2013-05-01 |
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| CN2012202748437U Expired - Fee Related CN202918223U (en) | 2012-06-11 | 2012-06-11 | Power generating device utilizing temperature difference between internal and external environments of building |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102739115A (en) * | 2012-06-11 | 2012-10-17 | 华北电力大学 | Power generating system utilizing internal and external environmental temperature difference of building |
| CN111146973A (en) * | 2020-01-10 | 2020-05-12 | 北京理工大学 | Power generation device utilizing temperature difference between inside and outside of building wall |
-
2012
- 2012-06-11 CN CN2012202748437U patent/CN202918223U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102739115A (en) * | 2012-06-11 | 2012-10-17 | 华北电力大学 | Power generating system utilizing internal and external environmental temperature difference of building |
| CN111146973A (en) * | 2020-01-10 | 2020-05-12 | 北京理工大学 | Power generation device utilizing temperature difference between inside and outside of building wall |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20150611 |
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| EXPY | Termination of patent right or utility model |