KR20160077624A - Thermoelectric generator using waste heat - Google Patents

Thermoelectric generator using waste heat Download PDF

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KR20160077624A
KR20160077624A KR1020140187758A KR20140187758A KR20160077624A KR 20160077624 A KR20160077624 A KR 20160077624A KR 1020140187758 A KR1020140187758 A KR 1020140187758A KR 20140187758 A KR20140187758 A KR 20140187758A KR 20160077624 A KR20160077624 A KR 20160077624A
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heat
thermoelectric
thermoelectric module
waste heat
temperature part
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KR102263860B1 (en
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박수동
김봉서
오민욱
류병기
민복기
이지은
이희웅
임소영
주성재
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한국전기연구원
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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
    • F02G5/02—Profiting from waste heat of exhaust gases
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

The present invention relates to a thermoelectric generator using waste heat, and more specifically, relates to a thermoelectric generator using waste heat, allowing low temperature parts of thermoelectric modules to indirectly be cooled by radiation members without being in direct contact with air in a state that the thermoelectric modules are blocked from the outside such that the temperature difference between each high temperature part and each low temperature part is rapidly generated, thereby improving the performance of thermoelectric generation. The thermoelectric generator using waste heat comprises: a heat exchanger pipe, a plurality of heat transfer members, thermoelectric modules, radiation members and a blocking pipe. The heat exchange pipe allows waste heat to pass therein. The heat transfer members are installed on the outer surface of the heat exchange pipe. The thermoelectric modules are installed on the outer surface of the thermoelectric member to allow the high temperature parts to be in contact with the thermoelectric member and allow the waste heat to be transferred to the high temperature parts. The radiation members are installed on the lower temperature parts of the thermoelectric modules, respectively, to cool the lower temperature parts of the thermoelectric modules. The blocking pipe is circularly installed along the radiation members at a predetermined distance from the heat exchange pipe to allow air to fill in each inner space between the radiation members and form a blocking space separating the thermoelectric modules from the outside such that the thermoelectric modules are prevented from being in direct contact with air, thereby securing a temperature difference between the high temperature part and low temperature part.

Description

폐열을 이용한 열전발전 장치{Thermoelectric generator using waste heat}TECHNICAL FIELD The present invention relates to a thermoelectric generator using waste heat,

본 발명은 폐열을 이용한 열전발전 장치에 관한 것으로, 더욱 상세하게는 열전모듈이 외부와 단절된 상태에서 열전모듈의 저온부가 공기와의 직접적인 접촉 없이 방열부재에 의해 간접적으로 냉각됨에 따라 열전모듈의 고온부와 저온부 간의 온도차가 급격하게 발생하면서 열전발전 성능이 향상되는 폐열을 이용한 열전발전 장치에 관한 것이다. The present invention relates to a thermoelectric generator using waste heat, and more particularly, to a thermoelectric generator using waste heat, and more particularly, to a thermoelectric module in which a low temperature portion of a thermoelectric module is indirectly cooled by a heat radiation member without direct contact with air, And more particularly, to a thermoelectric generator using waste heat in which the temperature difference between the low temperature parts is abruptly generated and the thermoelectric power generation performance is improved.

일반적으로 열전발전 장치는 열전모듈의 제베크 효과를 통해 폐열로부터 전기에너지를 발생시키는 장치이다.Generally, a thermoelectric generator is an apparatus that generates electric energy from waste heat through a Hebeck effect of a thermoelectric module.

이러한 열전발전 장치는 열전모듈의 고온부로는 폐열이 전달되고 열전모듈의 저온부에는 열전모듈의 고온부와 저온부 간의 온도차가 확보되도록 공랭식으로 냉각시키는 방열체가 구비된다.In such a thermoelectric generator, waste heat is transferred to the high temperature section of the thermoelectric module, and a low temperature section of the thermoelectric module is provided with a heat radiator to cool the air thermoelectric module such that the temperature difference between the high temperature section and the low temperature section is secured.

즉, 열전발전 장치는 열전모듈의 고온부로 전달되는 폐열의 열기에 의해 열전모듈의 고온부와 저온부 간에 온도차가 생기면서 전기에너지를 발생하게 되는 것이다. That is, in the thermoelectric generator, a temperature difference is generated between the high temperature part and the low temperature part of the thermoelectric module due to the heat of the waste heat transmitted to the high temperature part of the thermoelectric module, thereby generating electric energy.

그러나 종래의 열전발전 장치는 열전모듈의 고온부와 저온부인 내면과 외면을 제외한 측면이 외부에 그대로 노출됨에 따라 열전모듈의 저온부가 냉각될 때 방열체에 접촉되는 공기에 의해 간접적으로 냉각됨과 동시에 열전모듈의 측면과 접촉되는 공기에 의해 직접적으로 냉각된다. However, in the conventional thermoelectric generator, when the low temperature portion of the thermoelectric module is cooled as indirectly exposed to the outside, the thermoelectric module is indirectly cooled by the air contacting the thermoelectric module, Lt; RTI ID = 0.0 > air < / RTI >

따라서 열전모듈의 고온부와 저온부 간의 온도차가 완만하게 나타나면서 열전발전 성능이 떨어져 전기에너지의 발생량이 기대에 미치지 못하는 문제점이 있다. Accordingly, the temperature difference between the high temperature part and the low temperature part of the thermoelectric module gently appears, and the thermoelectric power generation performance is deteriorated, so that the amount of generated electric energy is less than expected.

국내 특허등록공보 제10-1361044호, 2014.02.04.자 등록.Domestic Patent Registration Bulletin 10-1361044, April 4, 2014 Registration.

본 발명은 상기한 문제점을 해소하기 위해 발명된 것으로서, 열전모듈이 외부의 공기와 직접적으로 접촉되지 않도록 외부와 단절시켜 열전모듈의 고온부와 저온부 간의 온도차가 충분히 확보하여 열전발전 성능을 향상시킬 수 있는 폐열을 이용한 열전발전 장치를 제공하는데 그 목적이 있다. It is an object of the present invention to provide a thermoelectric module in which a thermoelectric module is disconnected from the outside so that the thermoelectric module is not in direct contact with the outside air to sufficiently secure a temperature difference between a high temperature portion and a low temperature portion of the thermoelectric module, It is an object of the present invention to provide a thermoelectric generator using waste heat.

본 발명의 목적은 이상에서 언급한 목적으로 제한되지 않으며, 언급되지 않은 또 다른 목적들은 아래의 기재로부터 명확하게 이해될 수 있을 것이다.The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood from the following description.

상기 목적을 달성하기 위한 본 발명에 따른 폐열을 이용한 열전발전 장치는 폐열이 내부를 따라 통과하는 열교환관; 상기 열교환관의 외면에 설치되는 복수 개의 열전달부재; 상기 열전달부재의 외면에 각각 고온부가 접촉되게 설치되어 상기 폐열이 상기 고온부로 전달되는 열전모듈; 상기 열전모듈의 저온부에 각각 설치되어 공기와의 접촉을 통해 상기 열전모듈의 저온부를 냉각시키는 방열부재; 및 상기 열교환관과는 소정거리를 두고 상기 방열부재를 따라 환설되어 상기 방열부재의 사이사이에 각각 공기가 내부에 채워지고 상기 열전모듈을 외부와 격리하는 단절공간을 형성시켜 상기 열전모듈이 외부의 공기와의 직접적인 접촉을 막아 상기 열전모듈의 고온부와 저온부 간의 온도차가 확보되게 하는 단절관;을 포함하여 구성되는 것을 특징으로 한다. In order to accomplish the above object, the present invention provides a thermoelectric generator using waste heat, comprising: a heat exchange tube through which waste heat passes; A plurality of heat transfer members installed on an outer surface of the heat exchange tube; A thermoelectric module mounted on the outer surface of the heat transfer member so as to be in contact with the high temperature part and transferred to the high temperature part; A heat dissipating member provided at each low temperature portion of the thermoelectric module to cool the low temperature portion of the thermoelectric module through contact with air; And a heat dissipating member which is provided at a predetermined distance from the heat exchanging tube and which is spaced apart from the heat dissipating member to fill the space between the heat dissipating members and isolate the thermoelectric module from the outside, And a disconnecting pipe for preventing direct contact with the air to ensure a temperature difference between the high temperature part and the low temperature part of the thermoelectric module.

상기 단절관은 상기 방열부재의 높이에 따라 상기 단절공간이 복층으로 형성되도록 복수 개가 상기 방열부재를 따라 일정간격으로 두고 다단 형태로 설치되는 것을 특징으로 한다. A plurality of the plurality of heat dissipating members are arranged in a multi-step manner at predetermined intervals along the height of the heat dissipating member so that the plurality of heat dissipating members are formed in a multi-layered manner.

상기 단절관의 외면에는 공기와의 접촉면적이 증대되도록 방열핀이 설치되는 것을 특징으로 한다. And a heat dissipation fin is installed on the outer surface of the disconnecting pipe so as to increase the contact area with air.

상기 열전달부재는 내면이 상기 폐열과 직접 접촉되도록 상기 열교환관에 관통되게 설치되는 것을 특징으로 한다. And the heat transfer member is installed so as to penetrate the heat exchange tube so that the inner surface of the heat transfer member directly contacts the waste heat.

상기 열전달부재의 내면은 상기 폐열과의 접촉면적이 증대되도록 다면 형태로 구성되는 것을 특징으로 한다. And the inner surface of the heat transfer member is formed in a multi-sided form so as to increase the contact area with the waste heat.

상기한 구성에 의한 본 발명은 열전모듈이 외부에 노출되지 않게 외부와 단절되고 내부에 공기가 채워지는 단절공간의 내부에 위치하도록 구성됨에 따라 열전모듈의 고온부와 저온부 간의 온도차를 위해 열전모듈의 저온부가 냉각될 때 공기와 접촉되는 방열부재에 의해 간접적으로 냉각됨에 따라 열전모듈의 고온부와 저온부 간의 온도차가 급격하게 발생하게 됨으로써 열전발전 성능이 향상되면서 전기에너지 발생량을 증대시킬 수 있는 효과가 있다. In order to achieve a temperature difference between the high-temperature part and the low-temperature part of the thermoelectric module, the low temperature part of the thermoelectric module is disposed in the interior space of the thermoelectric module, The temperature difference between the high temperature part and the low temperature part of the thermoelectric module is rapidly generated as the thermoelectric module is indirectly cooled by the heat radiation member in contact with the air when it is cooled, thereby improving the thermoelectric generation performance and increasing the amount of electric energy generated.

도 1은 본 발명의 바람직한 실시예에 따른 폐열을 이용한 열전발전 장치를 도시한 사시도.
도 2는 본 발명의 바람직한 실시예에 따른 폐열을 이용한 열전발전 장치를 도시한 측면도.
도 3은 본 발명의 바람직한 실시예에 따른 폐열을 이용한 열전발전 장치에서 단절관이 다단으로 구성된 형태를 도시한 측면도.1 is a perspective view illustrating a thermoelectric generator using waste heat according to a preferred embodiment of the present invention.
2 is a side view of a thermoelectric generator using waste heat according to a preferred embodiment of the present invention.
3 is a side view of a thermoelectric generator using waste heat according to a preferred embodiment of the present invention, in which the disconnecting pipe is formed in multiple stages.

본 발명에 따른 폐열을 이용한 열전발전 장치는 자동차의 배기관, 보일러의 튜브, 전기로의 배관, 소각로, 원자로 등과 같이 폐열이 배출되는 곳에 설치되어 열전모듈의 제배크 효과를 통해 폐열로부터 전기에너지를 발생시키는 장치이다.The thermoelectric generator using waste heat according to the present invention is installed at a place where waste heat is discharged such as an exhaust pipe of an automobile, a tube of a boiler, an electric furnace pipe, an incinerator, a reactor, etc. and generates electric energy from waste heat Device.

특히, 본 발명에 따른 폐열을 이용한 열전발전 장치는 열전모듈의 고온부와 저온부 간의 온도차를 급격하게 발생하도록 하여 열전발전 성능을 향상시킨 것이 특징이다.In particular, the thermoelectric generator using the waste heat according to the present invention is characterized in that the thermoelectric generator performance is improved by causing a temperature difference between the high temperature part and the low temperature part of the thermoelectric module to be abruptly generated.

이러한 특징은 열전모듈이 외부의 공기와 직접적으로 접촉되지 않도록 외부와 단절시킨 구조에 의해 달성된다. This feature is achieved by a structure in which the thermoelectric module is disconnected from the outside such that it is not in direct contact with the outside air.

즉, 열교환관과, 열교환관의 외측에 설치되는 복수 개의 열전달부재와, 열전달부재의 외면에 각각 설치되는 열전모듈과, 열전모듈의 외면에 각각 설치되는 방열부재와, 방열부재를 따라 열교환관과 소정거리를 두고 환설되어 열전모듈을 외부와 단절시키는 단절공간을 형성시키는 단절관을 포함하는 구조에 의한 것이다. A plurality of heat transfer members provided on the outer side of the heat exchange tube; a thermoelectric module provided on the outer surface of the heat transfer member; a heat dissipation member provided on the outer surface of the thermoelectric module; And a disconnection tube which is opened at a predetermined distance to form a disconnection space for disconnecting the thermoelectric module from the outside.

따라서 열전모듈의 내면인 고온부는 열교환관과 열전달부재에 의해 폐열이 전달되면서 온도가 상승하게 되고 열전모듈의 외면인 저온부는 방열부재에 의해 외부의 공기와 간접적으로 접촉되면서 온도가 하강하게 되어 열전발전이 이루어지게 된다. Therefore, the temperature of the high temperature part, which is the inner surface of the thermoelectric module, is increased while the waste heat is transferred by the heat exchange tube and the heat transfer member, and the low temperature part, which is the outer surface of the thermoelectric module, is indirectly contacted with the outside air by the heat radiation member, .

이때 열전모듈은 단절관에 의해 외부와 단절됨에 따라 외부의 공기와 직접적으로 접촉되지 않게 됨으로써 열전모듈의 저온부가 냉각될 때 방열부재와 접촉되는 공기에 의해 간접적으로 냉각됨으로써 열전모듈의 고온부와 저온부 간의 온도차가 급격하게 나타나면서 열전발전 성능이 크게 향상되게 된다.
Since the thermoelectric module is disconnected from the outside by the disconnecting tube, the thermoelectric module is not directly brought into contact with the outside air, so that when the low temperature portion of the thermoelectric module is cooled, the thermoelectric module is indirectly cooled by the air contacting the heat radiation member, The temperature difference rapidly appears, and the thermoelectric power generation performance is greatly improved.

이하 본 발명의 바람직한 실시예를 첨부한 도면을 참조하여 상세하게 설명하면 다음과 같다. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 발명의 바람직한 실시예에 따른 폐열을 이용한 열전발전 장치(100)는, 도 1 및 2와 같이 열교환관(110)과 열전달부재(120)과 열전모듈(130)과 방열부재(140) 및 단절관(150)을 포함하여 구성될 수 있다. 1 and 2, a thermoelectric generator 100 using waste heat according to a preferred embodiment of the present invention includes a heat exchange tube 110, a heat transfer member 120, a thermoelectric module 130, a heat dissipation member 140, And a pipe 150.

먼저, 상기 열교환관(110)은 내부를 따라 통과하는 폐열을 열전달부재(120)로 전달하는 구성이다. First, the heat exchange tube 110 is configured to transfer the waste heat passing along the inside thereof to the heat transfer member 120.

이를 위해 열교환관(110)은 길이방향을 따라 폐열이 통과하는 통로가 형성된 형태로 구성될 수 있다. 그리고 열교환관(110)은 도 1과 같이 원통관 형태로 구성되거나 도시하지 않았지만 각관 형태로 구성될 수 있다. For this purpose, the heat exchange pipe 110 may be formed with a passage through which the waste heat passes along the longitudinal direction. The heat exchange tube 110 may have a circular tube shape as shown in FIG. 1, or may have a tube shape, though not shown.

이때 열교환관(110)은 폐열이 전도방식을 통해 열전달부재(120)에 효과적으로 전달될 수 있도록 알루미늄, 알루미늄 합금, 구리, 구리 합금 등과 같이 열전도도가 우수한 재질로 구성되는 것이 바람직하다. At this time, it is preferable that the heat exchange tube 110 is made of a material having excellent thermal conductivity such as aluminum, aluminum alloy, copper, copper alloy, etc. so that the waste heat can be effectively transferred to the heat transfer member 120 through the conduction method.

다음으로, 상기 열전달부재(120)는 열교환관(110)으로부터 전달받은 폐열을 열전모듈(130)의 내면으로 전달하는 구성이다. Next, the heat transfer member 120 transfers the waste heat transferred from the heat exchange pipe 110 to the inner surface of the thermoelectric module 130.

이를 위해 열전달부재(120)는 도 1과 같이 열교환관(110)의 외측에 복수 개가 전후좌우 일정간격으로 설치되는 형태로 구성될 수 있다. For this, a plurality of heat transfer members 120 may be installed on the outer side of the heat exchange tube 110 at predetermined intervals in the front, rear, left, and right directions as shown in FIG.

한편, 열전달부재(120)는 도 2와 같이 내면이 폐열과 직접 접촉될 수 있도록 열교환관(110)에 관통되게 설치될 수도 있다. 이때는 열전달부재(120)의 내면이 폐열과의 접촉면적이 증대되도록 도 1과 같이 다이아몬드 형상과 같이 복수 개의 평면을 가지는 다면 형태로 구성되는 것이 바람직하다. 2, the heat transfer member 120 may be installed to penetrate the heat exchange tube 110 so that the inner surface of the heat transfer member 120 may be in direct contact with the waste heat. In this case, it is preferable that the inner surface of the heat transfer member 120 is formed in a multi-sided shape having a plurality of planes like a diamond shape as shown in FIG. 1 so that the contact area with the heat is increased.

이때 열전달부재(120)는 폐열이 전도방식을 통해 열전모듈(130)의 고온부에 효과적으로 전달될 수 있도록 알루미늄, 알루미늄 합금, 구리, 구리 합금 등과 같이 열전도도가 우수한 재질로 구성되는 것이 바람직하다. The heat transfer member 120 is preferably made of a material having excellent thermal conductivity such as aluminum, aluminum alloy, copper, copper alloy, etc. so that the waste heat can be effectively transferred to the high temperature portion of the thermoelectric module 130 through the conduction method.

다음으로, 상기 열전모듈(130)은 열전달부재(120)에 의해 전달되는 폐열에 의해 고온부와 저온부 간의 온도차가 발생하면서 전기에너지를 발생시키는 구성이다. Next, the thermoelectric module 130 generates electric energy while generating a temperature difference between the high temperature part and the low temperature part by waste heat transmitted by the heat transfer member 120.

이를 위해 열전모듈(130)은 도 2와 같이 열전달부재(120)의 외면에 각각 설치되는 형태로 구성될 수 있다. 단, 열전모듈(130)의 고온부가 설치위치상 내면이 되도록 열전달부재(120)의 외면에 밀착되게 설치되는 것이 바람직하다. For this, the thermoelectric module 130 may be installed on the outer surface of the heat transfer member 120 as shown in FIG. However, it is preferable that the high temperature part of the thermoelectric module 130 is installed in close contact with the outer surface of the heat transfer member 120 so as to be the inner surface on the mounting position.

다음으로, 상기 방열부재(140)는 열전모듈(130)의 저온부를 공기와의 접촉을 통한 공랭식으로 냉각시키는 구성이다. Next, the heat dissipation member 140 is configured to cool the low temperature portion of the thermoelectric module 130 by air-cooling through contact with air.

이를 위해 방열부재(140)는 도 2와 같이 설치위치상 외면이 되는 열전모듈(130)의 저온부에 각각 밀착되게 설치되는 형태로 구성될 수 있다. For this purpose, the heat dissipating member 140 may be installed in close contact with the low temperature portion of the thermoelectric module 130, which is an outer surface on the mounting position, as shown in FIG.

이때 방열부재(140)는 폐열이 전도방식을 통해 열전모듈(130)에 효과적으로 전달될 수 있도록 알루미늄, 알루미늄 합금, 구리, 구리 합금 등과 같이 열전도도가 우수한 재질로 구성되는 것이 바람직하다. At this time, the heat dissipation member 140 is preferably made of a material having excellent thermal conductivity such as aluminum, aluminum alloy, copper, copper alloy, etc. so that the waste heat can be effectively transmitted to the thermoelectric module 130 through the conduction system.

마지막으로, 상기 단절관(150)은 열전모듈(130)의 저온부가 냉각될 때 공기와 직접적으로 접촉되지 않고 방열부재(140)에 의해 간접적으로 냉각되도록 하는 구성이다. Lastly, the disconnecting pipe 150 is configured so that the low temperature portion of the thermoelectric module 130 is indirectly cooled by the heat dissipating member 140 without being directly in contact with air when it is cooled.

즉, 단절관(150)은 열전모듈(130)을 외부와 단절시켜 열전모듈(130)이 공기와 직접적으로 접촉되는 것을 막아 열전모듈(130)의 고온부와 저온부가 각각 열전달부재(120)와 방열부재(140)에 의해 가열되고 냉각될 때 발생하는 고온부와 저온부 간의 온도차가 급격하게 나타나도록 하는 것이다. That is, the disconnection pipe 150 disconnects the thermoelectric module 130 from the outside to prevent the thermoelectric module 130 from being in direct contact with the air, so that the high temperature part and the low temperature part of the thermoelectric module 130 are separated from the heat transfer member 120, So that the temperature difference between the high temperature part and the low temperature part which is generated when the member 140 is heated and cooled rapidly appears.

이를 위해 단절관(150)은 도 2와 같이 열전모듈(130)의 사이사이에 각각 공기가 채워지면서 열전모듈(130)을 외부와 단절시키는 단절공간(151)이 형성되도록 열교환관(110)과는 소정거리를 두고 방열부재(140)를 따라 환설되는 형태로 구성될 수 있다.For this, the disconnecting pipe 150 is connected to the heat exchanging tube 110 and the thermoelectric converting unit 130 so as to form a disconnection space 151 which is filled with air between the thermoelectric modules 130 as shown in FIG. 2, The heat dissipation member 140 may be formed to be swollen along the heat dissipation member 140 at a predetermined distance.

이때 단절관(150)은 방열부재(140)의 외면이 외부로 노출되어 공기와 직접 접촉될 수 있도록 도 2와 같이 방열부재(140)가 관통되는 형태로 구성되는 것이 바람직하다. 그리고 단절관(150)은 단절공간(151)이 일정한 높이로 형성될 수 있도록 열교환관(110)과 대응되는 형태로 구성되는 것이 바람직하다. 2, the heat dissipation member 140 may be formed to penetrate through the heat dissipation member 140 such that the outer surface of the heat dissipation member 140 is directly exposed to the outside. The cut-off pipe 150 is preferably formed to correspond to the heat exchange pipe 110 so that the cut-off space 151 can be formed at a constant height.

한편, 단절관(150)은 방열부재(140)의 높이에 따라 단절공간(151)이 복층으로 형성될 수 있도록 도 3과 같이 방열부재(140)를 따라 적어도 두 개 이상이 내외측으로 일정간격을 두고 다단 형태로 설치되는 형태도 가능하다. 3, at least two or more of the disconnection tubes 150 are spaced apart from each other at a predetermined interval so that the disconnection spaces 151 may be formed in a plurality of layers according to the height of the heat dissipating member 140 It can be installed in a multi-stage configuration.

여기서 단절관(150)은 방열부재(140)에 밀착된 상태로 설치되고 외부에 노출된 상태이므로 방열부재(140)와 함께 열전모듈(130)의 저온부를 냉각시키는 방열수단으로도 작용한다. Since the disconnecting pipe 150 is installed in a state of being closely attached to the heat dissipating member 140 and is exposed to the outside, the disconnecting pipe 150 also functions as a heat dissipating means for cooling the low temperature portion of the thermoelectric module 130 together with the heat dissipating member 140.

이러한 단절관(150)의 방열수단으로서의 기능을 높이기 위하여 공기와의 접촉면적이 증대될 수 있도록 단절관(150)의 외면에는 도 3과 같이 방열핀(160)이 더 설치될 수 있다.
A radiating fin 160 may be further provided on the outer surface of the disconnecting pipe 150 as shown in FIG. 3 to increase the contact area with air in order to increase the function of the heat releasing means of the disconnecting pipe 150.

이상과 같이 본 발명에 따른 폐열을 이용한 열전발전 장치는 열전모듈이 공기와 직접 접촉되지 않도록 외부와 단절시켜 열전모듈의 고온부와 저온부 간의 온도차가 급격하게 발생하도록 함으로써 전기에너지 발생량을 증대시킬 수 있다.
As described above, the thermoelectric generator using the waste heat according to the present invention cuts off the thermoelectric module from the outside so that the thermoelectric module is not in direct contact with the air, so that the temperature difference between the high temperature portion and the low temperature portion of the thermoelectric module is abruptly generated.

상기한 실시예는 예시적인 것에 불과한 것으로, 당해 기술분야에 대한 통상의 지식을 가진 자라면 이로부터 다양하게 변형된 다른 실시예가 가능하다. The above-described embodiments are merely illustrative, and various modifications may be made by those skilled in the art without departing from the scope of the present invention.

따라서 본 발명의 진정한 기술적 보호범위에는 하기의 특허청구범위에 기재된 발명의 기술적 사상에 의해 상기의 실시예뿐만 아니라 다양하게 변형된 다른 실시예가 포함되어야 한다. Therefore, the true technical protection scope of the present invention should include not only the above embodiments but also various other modified embodiments according to the technical idea of the invention described in the following claims.

100: 열전발전 장치
110: 열교환관
120: 열전달부재
130: 열전모듈
140: 방열부재
150: 단절관
151: 단절공간
160: 방열핀100: Thermoelectric generator
110: Heat exchanger tube
120: heat transfer member
130: thermoelectric module
140:
150: Disconnecting tube
151: Disconnected space
160: heat sink fin

Claims (5)

폐열이 내부를 따라 통과하는 열교환관;
상기 열교환관의 외면에 설치되는 복수 개의 열전달부재;
상기 열전달부재의 외면에 각각 고온부가 접촉되게 설치되어 상기 폐열이 상기 고온부로 전달되는 열전모듈;
상기 열전모듈의 저온부에 각각 설치되어 공기와의 접촉을 통해 상기 열전모듈의 저온부를 냉각시키는 방열부재; 및
상기 열교환관과는 소정거리를 두고 상기 방열부재를 따라 환설되어 상기 방열부재의 사이사이에 각각 공기가 내부에 채워지고 상기 열전모듈을 외부와 격리하는 단절공간을 형성시켜 상기 열전모듈이 외부의 공기와의 직접적인 접촉을 막아 상기 열전모듈의 고온부와 저온부 간의 온도차가 확보되게 하는 단절관;을 포함하여 구성되는 것을 특징으로 하는 폐열을 이용한 열전발전 장치. A heat exchange tube through which waste heat passes along the inside;
A plurality of heat transfer members installed on an outer surface of the heat exchange tube;
A thermoelectric module mounted on the outer surface of the heat transfer member so as to be in contact with the high temperature part and transferred to the high temperature part;
A heat dissipating member provided at each low temperature portion of the thermoelectric module to cool the low temperature portion of the thermoelectric module through contact with air; And
A plurality of heat dissipating members disposed in the heat exchanging tube and spaced apart from the heat exchanging tube by a predetermined distance to fill the space between the heat dissipating members and to isolate the thermoelectric module from the outside, And a disconnecting pipe for preventing direct contact between the high temperature part and the low temperature part of the thermoelectric module to ensure a temperature difference between the high temperature part and the low temperature part of the thermoelectric module. 제1항에 있어서,
상기 단절관은
상기 방열부재의 높이에 따라 상기 단절공간단절관이 복층으로 형성되도록 복수 개가 상기 방열부재를 따라 일정간격으로 두고 다단 형태로 설치되는 것을 특징으로 하는 폐열을 이용한 열전발전 장치.The method according to claim 1,
The cut-
Wherein a plurality of heat dissipating members are provided in a multi-stage shape at regular intervals along the height of the heat dissipating member such that the plurality of heat dissipating members are formed in a multi-layered manner. 제1항에 있어서,
상기 단절관의 외면에는
공기와의 접촉면적이 증대되도록 방열핀이 설치되는 것을 특징으로 하는 폐열을 이용한 열전발전 장치.The method according to claim 1,
On the outer surface of the disconnecting tube
Wherein a heat dissipation fin is provided to increase a contact area with air. 제1항에 있어서,
상기 열전달부재는
내면이 상기 폐열과 직접 접촉되도록 상기 열교환관에 관통되게 설치되는 것을 특징으로 하는 폐열을 이용한 열전발전 장치.The method according to claim 1,
The heat transfer member
And the inner surface of the heat exchanger tube is installed so as to penetrate the heat exchanger tube so that the inner surface thereof is in direct contact with the waste heat. 제4항에 있어서,
상기 열전달부재의 내면은
상기 폐열과의 접촉면적이 증대되도록 다면 형태로 구성되는 것을 특징으로 하는 폐열을 이용한 열전발전 장치.5. The method of claim 4,
The inner surface of the heat transfer member
Wherein the thermoelectric generator is configured to have a multi-sided shape so as to increase the contact area with the waste heat.
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