KR20090106161A - Electric power generation system using thermoelectric element - Google Patents

Electric power generation system using thermoelectric element Download PDF

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Publication number
KR20090106161A
KR20090106161A KR1020080031702A KR20080031702A KR20090106161A KR 20090106161 A KR20090106161 A KR 20090106161A KR 1020080031702 A KR1020080031702 A KR 1020080031702A KR 20080031702 A KR20080031702 A KR 20080031702A KR 20090106161 A KR20090106161 A KR 20090106161A
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South Korea
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thermoelectric element
high temperature
cold
heater
power generation
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KR1020080031702A
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Korean (ko)
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손병철
유논수
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손병철
유논수
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
    • H02N11/002—Generators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
    • Y10S257/93—Thermoelectric, e.g. peltier effect cooling

Abstract

PURPOSE: A generation system using a thermoelectric element is provided to increase generation efficiency by raising the temperature difference between a high temperature part and a cool temperature part. CONSTITUTION: A heat-medium oil and a heater(11) are inputted to a high temperature part(10). The coolant is inserted into a cool temperature part(20). A thermoelectric element(30) is installed between the high temperature part and the cool temperature part. The thermoelectric element generates the electricity. The input power(40) is applied to the heater of the high temperature part. The coolant of the cool temperature part is cooled down by a cooler(21). The output power(50) is outputted from the thermoelectric element by the temperature difference between the high temperature part and the cool temperature part.

Description

열전소자를 이용한 발전 시스템{Electric power generation system using thermoelectric element}Electric power generation system using thermoelectric element

본 발명은 열전소자를 이용한 발전 시스템에 관한 것으로서, 더욱 구체적으로는 고온부와 냉온부 사이에 열전소자를 부착하여 고온부를 히터로 가열하고, 그로 인한 고온부와 냉온부 사이의 온도차를 이용하여 열전소자로부터 전기를 발전시켜 발전 효율을 극대화 한 열전소자를 이용한 발전 시스템에 관한 것이다.The present invention relates to a power generation system using a thermoelectric element, and more particularly, by attaching a thermoelectric element between a hot portion and a cold portion to heat the hot portion with a heater, and thereby using a temperature difference between the hot portion and the cold portion from the thermoelectric element. The present invention relates to a power generation system using thermoelectric elements that maximize electricity generation efficiency by generating electricity.

기존에 많이 연구되었던 초소형 열전 발전 시스템은 인체의 열이나 전자부품에서의 발생하는 열 등 버려지거나 활용되지 않는 열원에 열전소자를 부착하여 전기를 생산하거나 냉각하는 시스템이 대부분이며 이 경우 발전용량은 주로 1W 이내로 매우 작았다.Most miniature thermoelectric power generation systems that have been studied in the past are mostly systems that produce or cool electricity by attaching thermoelectric elements to heat sources that are not used or discarded, such as heat generated by the human body or heat generated from electronic components. It was very small within 1W.

일반적으로 열전소자를 이용한 발전은 열전소자의 양단에 온도 차이가 있을 때 열전소자 내부의 캐리어(Carrier)가 이동함으로 인해 기전력이 발생하는 제벡(Seebeck) 효과를 이용한 것으로서, 열전 발전은 열원이 있을 경우 열전소자를 열원에 부착하는 매우 간단한 방법으로 전기를 생산할 수 있는 장점이 있고, 무공 해 발전을 가능한 것이다.In general, power generation using thermoelectric elements uses a Seebeck effect in which electromotive force is generated due to movement of a carrier inside a thermoelectric element when there is a temperature difference between both ends of the thermoelectric element. There is an advantage in producing electricity by a very simple method of attaching a thermoelectric element to a heat source, and pollution-free power generation is possible.

열전소자는 고온부와 냉온부의 온도차가 클수록 전기 발전효율이 증가하게 되기 때문에 고온부의 온도를 높이고, 냉온부의 온도를 낮출수록 발전 출력의 크기와 효율은 증가하게 되는 것이다.In the thermoelectric element, the electric power generation efficiency increases as the temperature difference between the high temperature part and the cold part increases, so that the temperature of the high temperature part increases, and the size and efficiency of the power generation output increases as the temperature of the cold part decreases.

열전소자를 이용한 발전 시스템에 관해 현재까지 진행 중인 연구들은 대부분 초기 단계에 머물러 있는 상황이며, 일부 제작된 시스템들도 별도의 냉온부에 대한 냉각장치를 사용하지 않아 발전효율이 낮은 경우가 많고, 냉각팬을 사용하여 시스템을 구성한 소수의 연구에서도 열원과 열전소자의 부착과 구성방법이 최적화되지 않아 열원에서 발생하는 열을 충분히 활용하지 못하고 전체 발전효율이 낮은 경우가 대부분인 것이다.Most of the researches on the power generation system using thermoelectric elements remain in the early stages, and some of the manufactured systems also have low power generation efficiency because they do not use a separate cooling device for cold and hot parts. Even in the few studies in which a system using a fan is used, the method of attaching and configuring the heat source and the thermoelectric element is not optimized, and thus, the heat generation from the heat source is insufficient and the overall power generation efficiency is low.

본 발명은 상기한 문제점을 감안하여 창안한 것으로서, 그 목적은 고온부와 냉온부 사이에 열전소자를 부착하여 고온부를 히터로 가열하고, 냉온부를 냉각기로 냉각시켜, 그로 인한 고온부와 냉온부 사이의 온도차를 높여주어 열전소자로부터 발생되는 전기의 발전 효율을 극대화 할 수 있도록 한 열전소자를 이용한 발전 시스템을 제공함에 있는 것이다.SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and its object is to attach a thermoelectric element between a hot portion and a cold portion to heat the hot portion with a heater, and to cool the cold portion with a cooler, resulting in a temperature difference between the hot portion and the cold portion. It is to provide a power generation system using a thermoelectric element to maximize the power generation efficiency of electricity generated from the thermoelectric element by increasing the.

상기한 목적을 달성하기 위한 본 발명의 특징은, 열전소자를 이용한 발전시스템에 있어서, 열매체오일과 히터(11)가 내입된 고온부(10)와, 냉각수가 내입된 냉온부(20)와, 고온부(10)와 냉온부(20) 사이에 전기를 발전시키는 열전소자(30)가 하나 이상 설치되고, 고온부(10)의 히터(11)에 입력전원(40)이 인가되게 구성되며, 냉온부(20)의 냉각수는 냉각기(21)에 의해 냉각되게 순환되게 구성되어, 히터(11)에 입력전원(40)의 인가로 고온부(10)의 열매체오일이 가열되어 고온부(10)와 냉온부(20)의 온도차에 의해 열전소자(30)로부터 출력전원(50)이 출력됨을 특징으로 하는 열전소자를 이용한 발전시스템에 의하여 달성될 수 있는 것이다.A feature of the present invention for achieving the above object is, in the power generation system using a thermoelectric element, the high temperature portion 10, the cold and hot portion 20, the high temperature portion into which the heat medium oil and the heater 11 are embedded, and the cooling water One or more thermoelectric elements 30 for generating electricity are installed between the 10 and the cold and warm portions 20, and the input power source 40 is applied to the heater 11 of the high temperature portion 10. The cooling water of the 20 is circulated to be cooled by the cooler 21, and the heat medium oil of the high temperature part 10 is heated by the application of the input power source 40 to the heater 11 so that the high temperature part 10 and the cold temperature part 20 are heated. It can be achieved by a power generation system using a thermoelectric element, characterized in that the output power source 50 is output from the thermoelectric element 30 by the temperature difference.

이상에서 상술한 바와 같은 본 발명은, 고온부와 냉온부 사이에 열전소자를 부착하여 고온부를 히터로 가열하고, 냉온부를 냉각기로 냉각시켜, 그로 인한 고온부와 냉온부 사이의 온도차를 높여주어 열전소자로부터 발생되는 전기의 발전 효율을 극대화 할 수 있는 효과가 있다.According to the present invention as described above, the thermoelectric element is attached between the hot part and the cold part, and the hot part is heated by the heater, the cold part is cooled by the cooler, thereby increasing the temperature difference between the hot part and the cold part, and There is an effect that can maximize the power generation efficiency of electricity generated.

이하, 상기한 목적을 달성하기 위한 바람직한 실시예를 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings a preferred embodiment for achieving the above object is as follows.

도 1 에서 도시한 바와 같이, 본 발명은 열매체오일과 히터(11)가 내입되어 있는 고온부(10)와 냉각수가 내입되어 있는 냉온부(20)사이에 고온부(10)와 냉온부(20)의 온도차로 전기를 발전시키는 열전소자(30)를 각각 하나 이상 설치하여 구성한다.As shown in FIG. 1, the present invention provides a method for a high temperature part 10 and a cold part 20 between a high temperature part 10 into which a heat medium oil and a heater 11 are inserted, and a cold part 20 into which a cooling water is inserted. One or more thermoelectric elements 30 for generating electricity with a temperature difference are provided.

상기 열매체오일은 고온으로 가열될 수 있는 열매체오일을 사용하며, 상기 냉각수는 냉각효율 좋은 냉각수를 사용하는 것이 바람직하다.The heat medium oil is a heat medium oil that can be heated to a high temperature, the cooling water is preferably used a cooling water with good cooling efficiency.

상기 고온부(10)의 히터(11)에는 입력전원(40)이 연결되는 것으로서, 입력전원(40)이 교류일 경우에는 교류를 직류로 변환시키는 직류용 인버터(41)를 통하여 히터(11)에 전원이 인가되게 구성한다.An input power source 40 is connected to the heater 11 of the high temperature part 10. When the input power source 40 is an alternating current, the heater 11 is connected to the heater 11 through a direct current inverter 41 for converting alternating current into direct current. Configure power to be applied.

상기 입력전원(40)은 배터리, 태양전지, 일반적인 상용전기 등 모든 전원을 이용할 수 있는 것이다.The input power source 40 may use any power source such as a battery, a solar cell, or a general commercial battery.

상기 냉온부(20)의 냉각수는 냉각기(21)에 의해 냉각되어 순환되게 구성한다.Cooling water of the cold and hot portion 20 is configured to be cooled and circulated by the cooler 21.

상기 열전소자(30)는 고온부(10)와 냉온부(20)의 온도차에 의해 전기를 발전시키는 것으로서, 열전소자(30)에서 발전되어 출력된 출력전원(50)은 축전지(52)에 충전시켜 축전지(52)의 전원으로 전기 사용처(60)에 전원을 인가하거나, 출력전원(50)을 교류로 변환시키는 교류용 인버터(51)를 통해 교류로 변환시켜 전기 사용처(60)에 전원을 인가시켜 사용할 수 있게 구성한다.The thermoelectric element 30 generates electricity by the temperature difference between the high temperature part 10 and the cold temperature part 20, and the output power 50 generated by the thermoelectric element 30 is output to the storage battery 52. The power source of the storage battery 52 is applied to the power source 60, or converted to AC through an AC inverter 51 for converting the output power source 50 into AC to supply power to the power source 60 Configure it for use.

이와 같은 구성으로 이루어진 본 발명의 열전소자를 이용한 발전 시스템의 동작을 설명하면 다음과 같다.Referring to the operation of the power generation system using the thermoelectric element of the present invention having such a configuration as follows.

본 발명에 의해 출력전원(50)을 얻기 위해서는 입력전원(40)을 고온부(10)의 히터(11)와 냉각기(21)에 인가시켜 가열용 열전소자(30a)를 발열시키고, 냉각기(21)를 작동시킨다.In order to obtain the output power source 50 according to the present invention, the input power source 40 is applied to the heater 11 and the cooler 21 of the high temperature unit 10 to heat the heating thermoelectric element 30a, and the cooler 21. Activate

상기 입력전원(40)이 직류일 경우에는 입력전원(40)을 곧바로 고온부(10)의 히터(11)에 인가시키는 것이나, 입력전원(40)이 교류일 경우에는 입력전원(40)을 직류용 인버터(41)를 통하여 교류를 직류로 변환시켜 히터(11)에 인가시켜 주는 것이다.When the input power source 40 is a direct current, the input power source 40 is directly applied to the heater 11 of the high temperature section 10. When the input power source 40 is an alternating current, the input power source 40 is used for direct current. The inverter converts the alternating current into the direct current through the inverter 41 and applies it to the heater 11.

고온부(10)의 히터(11)가 발열되면 히터(11)의 발열로 고온부(10)에 내입 되어있는 열매체오일이 가열되어 고온부(10)의 온도를 상승시킨다.When the heater 11 of the high temperature unit 10 generates heat, the heat medium oil contained in the high temperature unit 10 is heated by the heat of the heater 11 to increase the temperature of the high temperature unit 10.

이와 동시에 냉각기(21)의 작동으로 냉온부(20)의 냉각수가 냉각기(21)에 의해 냉각되어 순환되어 냉온부(20)의 온도를 하강시키는 것이다.At the same time, the cooling water of the cold / hot part 20 is cooled and circulated by the cooler 21 by the operation of the cooler 21 to lower the temperature of the cold / hot part 20.

이와 같이 고온부(10)의 온도는 상승하고 냉온부(20)의 온도는 하강하여 고온부(10)와 냉온부(20)의 온도차가 발생하고, 이 온도차에 의해 열전소자(30)에서 기전력이 발생되어 출력전원(50)을 출력시키게 되는 것이다.As such, the temperature of the hot portion 10 rises and the temperature of the cold portion 20 decreases to generate a temperature difference between the hot portion 10 and the cold portion 20, and the electromotive force is generated in the thermoelectric element 30 by the temperature difference. To output the output power 50.

여기서 고온부(10)와 냉온부(20)의 온도차가 크면 클수록 열전소자(30)에서 발생되는 기전력이 많이 발생하여 출력전원(50)의 발전 출력의 크기와 효율이 증가되는 것이다.Here, the larger the temperature difference between the hot part 10 and the cold part 20 is, the more electromotive force generated in the thermoelectric element 30 is generated, thereby increasing the size and efficiency of the power generation output of the output power source 50.

열전소자(30)에서 발전된 출력전원(50)은 직류이므로 직류로 사용할 경우에는 축전지(52)에 충전하여 축전지(52)로 전기 사용처(60)에 전원을 인가해주는 것이며, 교류로 사용하고자 할 경우는 출력전원(50)을 교류용 인버터(51)를 통하여 직류전원을 교류로 변환하여 전기 사용처(60)에 인가시켜 사용하는 것이다.Since the output power 50 generated by the thermoelectric element 30 is a direct current, when used as a direct current, the output power 50 is charged in the storage battery 52 to supply power to the use place 60 by the storage battery 52. The output power source 50 converts the direct current power source into the alternating current through the inverter 51 for alternating current to be applied to the electrical user 60.

이상에서는 본 발명의 바람직한 실시예에 대하여 도시하고 또한 설명하였으나, 본 발명은 상기한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 본 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와 같은 변경은 기재된 청구범위 내에 있게 된다.Although the preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments without departing from the spirit of the present invention as claimed in the claims. Various modifications can be made by those skilled in the art, and such modifications are intended to fall within the scope of the appended claims.

도 1은 본 발명의 일실시예를 예시한 발전 시스템의 계통도,1 is a schematic diagram of a power generation system illustrating one embodiment of the present invention;

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10 : 고온부10: high temperature part

11 : 히터11: heater

20 : 냉온부20: cold part

21 : 냉각기21: cooler

30 : 열전소자30: thermoelectric element

40 : 입력전원40: input power

41 : 직류용 인버터41: DC inverter

50 : 출력전원50: output power

51 : 교류용 인버터51: AC inverter

52 : 축전지52: storage battery

60 : 전기 사용처60: electricity use

Claims (1)

열전소자를 이용한 발전시스템에 있어서,In a power generation system using a thermoelectric element, 열매체오일과 히터(11)가 내입된 고온부(10)와, 냉각수가 내입된 냉온부(20)와, 고온부(10)와 냉온부(20) 사이에 전기를 발전시키는 열전소자(30)가 하나 이상 설치되고, 고온부(10)의 히터(11)에 입력전원(40)이 인가되게 구성되며, 냉온부(20)의 냉각수는 냉각기(21)에 의해 냉각되게 순환되게 구성되어, 히터(11)에 입력전원(40)의 인가로 고온부(10)의 열매체오일이 가열되어 고온부(10)와 냉온부(20)의 온도차에 의해 열전소자(30)로부터 출력전원(50)이 출력됨을 특징으로 하는 열전소자를 이용한 발전시스템.The hot part 10 into which the heat medium oil and the heater 11 are inserted, the cold and hot part 20 into which the cooling water is inserted, and the thermoelectric element 30 that generates electricity between the hot part 10 and the cold and hot part 20 are one. The above-described installation is configured such that the input power source 40 is applied to the heater 11 of the high temperature unit 10, and the cooling water of the cold / hot unit 20 is configured to circulate to be cooled by the cooler 21, thereby heating the heater 11. The heating medium oil of the high temperature unit 10 is heated by the input power supply 40 to the output power source 50 is output from the thermoelectric element 30 by the temperature difference between the high temperature unit 10 and the cold and hot portion 20 Power generation system using thermoelectric elements.
KR1020080031702A 2008-04-04 2008-04-04 Electric power generation system using thermoelectric element KR20090106161A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106452189A (en) * 2016-11-30 2017-02-22 桂林市逸仙中学 Mobile phone body temperature charging system
US9642292B2 (en) 2014-01-22 2017-05-02 Electronics And Telecommunications Research Institute Electromagnetic wave reduction apparatus and electromagnetic wave reduction method thereof
KR20180001809A (en) 2016-06-28 2018-01-05 김현진 IoT cooking apparatus using power generating element

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9642292B2 (en) 2014-01-22 2017-05-02 Electronics And Telecommunications Research Institute Electromagnetic wave reduction apparatus and electromagnetic wave reduction method thereof
KR20180001809A (en) 2016-06-28 2018-01-05 김현진 IoT cooking apparatus using power generating element
CN106452189A (en) * 2016-11-30 2017-02-22 桂林市逸仙中学 Mobile phone body temperature charging system

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