CN102355170A - Ground thermoelectric power generation device - Google Patents
Ground thermoelectric power generation device Download PDFInfo
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- CN102355170A CN102355170A CN2011103200468A CN201110320046A CN102355170A CN 102355170 A CN102355170 A CN 102355170A CN 2011103200468 A CN2011103200468 A CN 2011103200468A CN 201110320046 A CN201110320046 A CN 201110320046A CN 102355170 A CN102355170 A CN 102355170A
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Abstract
The invention discloses a ground thermoelectric power generation device, which comprises a thermoelectric power generation module, a DC-DC (Direct Current-Direct Current) converter, an inverter, storage batteries and a load, wherein the thermoelectric power generation module, the DC-DC converter, the inverter and the load are sequentially connected by electric wires, and the storage batteries are also connected between the DC-DC converter and the inverter in parallel; and a controller is also arranged outside the ground thermoelectric power generation device and is connected with the DC-DC converter, the storage batteries and the inverter. The ground thermoelectric power generation device solves the problems of the prior art, the thermoelectric power generation is carried out by utilizing the difference between the ground temperature and the underground temperature, the generated DC electric power is converted into AC (Alternating Current) electric power to be used by users, the primary energy is not consumed, and the device has a positive effect on the popularization of energy saving, emission reduction and low carbon life.
Description
Technical field
The present invention relates to thermo-electric generation field, ground, relate in particular to a kind of ground temperature difference electricity generation device.
Background technology
Along with The development in society and economy, also increasing to demands for energy, and traditional energy such as coal, oil etc., resource-constrained, and have problem of environmental pollution.Semiconductor temperature differential generating has no moving component, and shockproof, noiselessness, nothing are revealed, and has simple in structure, safe and reliable, long service life, characteristics such as pollution-free, and it uses the concern that has caused that People more and more is many.Because its significant advantage, thermo-electric generation have obtained in fields such as aviation military affairs using widely.The U.S., the former Soviet Union have have successively researched and developed thousands of radioisotopes or the nuclear reactor thermoelectric generator power supply as space, marine device.Along with the exhaustion day by day of coal, oil equal energy source, developed countries such as the U.S., Japan and European Union pay attention to the research of thermo-electric generation technology at civil area more, and have obtained considerable progress.The research of domestic thermo-electric generation aspect mainly concentrates on the research that electric organ is theoretical and thermoelectric material prepares the aspect, and being intended to provides theoretical direction and the good thermoelectric material of processability for the optimization of thermoelectric generator.At present, domestic and international civilian thermo-electric generation is mainly used in industrial afterheat recovery and utilizes the field, and the high-temperature residual heat of enterprises such as steel-making, manufacture of cement is acted on the temperature difference electricity generation device hot junction, thereby produces electric energy.But for also not having like low-quality thermals source such as the ground and the underground temperature difference.
Because it is poor that soil transmits the function of heat, cause on the ground and underground temperature different.Midsummer, heat wave can not be delivered to deep subsoil soon on the ground, can only transmit downwards at leisure in the time of the hottest.Subterranean layer is overhead near, and the arrival of the hottest phase is with the time of occurrence of the hottest phase is more approaching on the ground; Time of occurrence and the ground of the hottest phase differ bigger overhead far.According to relevant department's statistics, Shanghai temperature on average in July is 27.8 ℃, and underground 0.8 meter is 20.6 ℃ at 24.0 ℃, 1.6 meters, and 3.2 meters then drop to 16.9 ℃.So when ground was the hottest, deep under ground was very pleasantly cool.Otherwise Shanghai temperature on average in January is 3.4 ℃, and underground 0.8 meter is 9.8 ℃, and 1.6 meters are 13.1 ℃, and 3.2 meters then rise to 17.3 ℃.Therefore, utilize the ground and the underground temperature difference to generate electricity, have very high practical value.
Summary of the invention
The purpose of invention: the invention solves the problem that prior art exists, a kind of difference generating that utilizes ground and subsurface temperature is provided, and has converted the ground temperature difference electricity generation device that AC energy supplies household electrical appliance or other mini electrical equipments to use to.
Technical scheme: a kind of ground temperature difference electricity generation device; Comprise temperature-difference power generation module, DC-DC converter, inverter, storage battery and load; Said ground temperature difference electricity generation device is connected with temperature-difference power generation module, DC-DC converter, inverter and load in turn through electric wire; Also be connected in parallel to storage battery between said DC-DC converter and the inverter; Outside the temperature difference electricity generation device of said ground, also be provided with controller, said controller is connected with DC-DC converter, storage battery and inverter;
Said temperature-difference power generation module comprises cathode output end; The P type semiconductor of temperature-difference power generation module PN junction; The N type semiconductor of temperature-difference power generation module PN junction; Cathode output end; Be connected with cathode output end in turn on the said temperature-difference power generation module; The cold junction of P type semiconductor; The P type semiconductor of temperature-difference power generation module PN junction; The temperature-difference power generation module hot junction; The N type semiconductor of temperature-difference power generation module PN junction; The cold junction of N type semiconductor and cathode output end; Said temperature-difference power generation module hot junction is located on the ground and the higher side of underground relative temperature, and said temperature-difference power generation module cold junction is located on the ground and the lower side of underground relative temperature.
As optimization, saidly solar collector or the radiator fan that increases the temperature difference is installed being provided with on the ground of temperature-difference power generation module.
Beneficial effect: the present invention carries out thermo-electric generation through utilizing the different of ground and subsurface temperature, and converts the direct current energy that produces into AC energy and supply the user to use, and does not consume primary energy, and the popularization that energy-saving and emission-reduction and low-carbon (LC) are lived has positive role.
Description of drawings
Fig. 1 is a structured flowchart of the present invention;
Fig. 2 is the principle schematic of temperature-difference power generation module of the present invention when summer;
Fig. 3 is the principle schematic of temperature-difference power generation module of the present invention when winter.
Embodiment
A kind of ground temperature difference electricity generation device as shown in Figure 1; Comprise temperature-difference power generation module, DC-DC converter, inverter, storage battery and load; Said ground temperature difference electricity generation device is connected with temperature-difference power generation module, DC-DC converter, inverter and load in turn through electric wire; Also be connected in parallel to storage battery between said DC-DC converter and the inverter; Outside the temperature difference electricity generation device of said ground, also be provided with controller, said controller is connected with DC-DC converter, storage battery and inverter;
Like Fig. 2; Temperature-difference power generation module shown in 3 comprises cathode output end 1; The P type semiconductor 2 of temperature-difference power generation module PN junction; The N type semiconductor 4 of temperature-difference power generation module PN junction; Cathode output end 5; Be connected with cathode output end 1 on the said temperature-difference power generation module in turn; P type semiconductor cold junction 8; The P type semiconductor 2 of temperature-difference power generation module PN junction; Temperature-difference power generation module hot junction 3; The N type semiconductor 4 of temperature-difference power generation module PN junction; N type semiconductor cold junction 9 and cathode output end 5; Said temperature-difference power generation module hot junction is located on the ground and the higher side of underground relative temperature; Said temperature-difference power generation module cold junction is located on the ground and the lower side of underground relative temperature, saidly is being provided with solar collector or the radiator fan that the increase temperature difference is installed on the ground of temperature-difference power generation module.
Fig. 2 is operation principle sketch map in summer of the present invention, and Fig. 3 is operation principle sketch map in winter of the present invention.During summer, owing to shine upon, temperature is higher on the ground, and subsurface temperature is lower, and temperature-difference power generation module hot junction 3 is placed the condition of high temperature on the ground, utilizes 6 pairs of hot junction 3 assistant heating of solar collector again, with further raising hot junction 3 temperature.And P type semiconductor cold junction 8, N type semiconductor cold junction 9 are embedded in underground at this moment; Because thermal excitation effect; P type semiconductor hot junction 3 both hole and electron concentration are higher than low-temperature end; Therefore under the driving of this concentration gradient; Hole and electronics just begin to spread to low-temperature end; Thereby the formation electromotive force, thermoelectric material has just been accomplished the process that the heat energy of temperature end input is directly changed into electric energy through the temperature difference between high low-temperature end like this.During winter temperature-difference power generation module is reversed, hot junction 3 is embedded in underground, and P type semiconductor cold junction 8, N type semiconductor cold junction 9 are located on the ground.Because the insulation effect on ground, subsurface temperature are high on the ground, this moment electricity generating principle and summer are similar.For preventing that P type semiconductor cold junction 8, N type semiconductor cold junction 9 temperature in power generation process from rising; Reduce the temperature difference between hot junction 3 and P type semiconductor cold junction 8, the N type semiconductor cold junction 9; At cold junction radiator fan 10 is housed; Cold junction is dispelled the heat, to guarantee the temperature difference between hot junction 3 and P type semiconductor cold junction 8, the N type semiconductor cold junction 9.
More than show and described basic principle of the present invention; But protection scope of the present invention is not limited to the above embodiments; For those skilled in the art of the present technique; Under enlightenment of the present invention; Can from this patent disclosure, directly derive or associate the identical basic distortion of some principles, or use substituting of known technology in the prior art always, and the mutual various combination between characteristic; The technical characterictic of same or similar technique effect simply changes, and all belongs to protection range of the present invention.
Claims (2)
1. ground temperature difference electricity generation device; It is characterized in that: comprise temperature-difference power generation module, DC-DC converter, inverter, storage battery and load; Said ground temperature difference electricity generation device is connected with temperature-difference power generation module, DC-DC converter, inverter and load in turn through electric wire; Also be connected in parallel to storage battery between said DC-DC converter and the inverter; Outside the temperature difference electricity generation device of said ground, also be provided with controller, said controller is connected with DC-DC converter, storage battery and inverter;
Said temperature-difference power generation module comprises cathode output end; The P type semiconductor of temperature-difference power generation module PN junction; The N type semiconductor of temperature-difference power generation module PN junction; Cathode output end; Be connected with cathode output end in turn on the said temperature-difference power generation module; The cold junction of P type semiconductor; The P type semiconductor of temperature-difference power generation module PN junction; The temperature-difference power generation module hot junction; The N type semiconductor of temperature-difference power generation module PN junction; The cold junction of N type semiconductor and cathode output end; Said temperature-difference power generation module hot junction is located on the ground and the higher side of underground relative temperature, and said temperature-difference power generation module cold junction is located on the ground and the lower side of underground relative temperature.
2. a kind of ground according to claim 1 temperature difference electricity generation device is characterized in that: saidly solar collector or the radiator fan that increases the temperature difference is installed being provided with on the ground of temperature-difference power generation module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103200468A CN102355170A (en) | 2011-10-20 | 2011-10-20 | Ground thermoelectric power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103200468A CN102355170A (en) | 2011-10-20 | 2011-10-20 | Ground thermoelectric power generation device |
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| CN102355170A true CN102355170A (en) | 2012-02-15 |
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| CN2011103200468A Pending CN102355170A (en) | 2011-10-20 | 2011-10-20 | Ground thermoelectric power generation device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759215A (en) * | 2014-01-24 | 2014-04-30 | 吴佳明 | Street lamp system generating electricity through temperature difference |
| CN105897061A (en) * | 2016-05-31 | 2016-08-24 | 安徽省冠盛纺织科技有限公司 | Heat energy collection and application device of two-for-one twister |
| CN107911046A (en) * | 2017-12-21 | 2018-04-13 | 南京工程学院 | A kind of heat generating system suitable for rural area |
| CN109327162A (en) * | 2018-12-12 | 2019-02-12 | 北京理工大学珠海学院 | Power generating glass frame based on new energy thermoelectric cell |
| CN109742975A (en) * | 2018-12-23 | 2019-05-10 | 山西大学 | A kind of solar energy thermo-electric generation system |
| CN111564990A (en) * | 2020-03-31 | 2020-08-21 | 上海卫星工程研究所 | Uninterrupted energy supply device and method for long and thin type impactor leaning detection |
-
2011
- 2011-10-20 CN CN2011103200468A patent/CN102355170A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759215A (en) * | 2014-01-24 | 2014-04-30 | 吴佳明 | Street lamp system generating electricity through temperature difference |
| CN103759215B (en) * | 2014-01-24 | 2016-02-03 | 吴佳明 | Utilize the road lamp system of thermo-electric generation |
| CN105897061A (en) * | 2016-05-31 | 2016-08-24 | 安徽省冠盛纺织科技有限公司 | Heat energy collection and application device of two-for-one twister |
| CN107911046A (en) * | 2017-12-21 | 2018-04-13 | 南京工程学院 | A kind of heat generating system suitable for rural area |
| CN109327162A (en) * | 2018-12-12 | 2019-02-12 | 北京理工大学珠海学院 | Power generating glass frame based on new energy thermoelectric cell |
| CN109742975A (en) * | 2018-12-23 | 2019-05-10 | 山西大学 | A kind of solar energy thermo-electric generation system |
| CN111564990A (en) * | 2020-03-31 | 2020-08-21 | 上海卫星工程研究所 | Uninterrupted energy supply device and method for long and thin type impactor leaning detection |
| CN111564990B (en) * | 2020-03-31 | 2021-07-30 | 上海卫星工程研究所 | Uninterrupted energy supply device and method for long and thin type impactor leaning detection |
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Application publication date: 20120215 |