KR20170032090A - Thermoelectric generator for vehicle - Google Patents

Thermoelectric generator for vehicle Download PDF

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Publication number
KR20170032090A
KR20170032090A KR1020150129891A KR20150129891A KR20170032090A KR 20170032090 A KR20170032090 A KR 20170032090A KR 1020150129891 A KR1020150129891 A KR 1020150129891A KR 20150129891 A KR20150129891 A KR 20150129891A KR 20170032090 A KR20170032090 A KR 20170032090A
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South Korea
Prior art keywords
exhaust pipe
exhaust
catalyst
flow
disposed
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KR1020150129891A
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Korean (ko)
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곽진우
여인웅
이태원
송경화
백홍길
김경복
김병욱
이승우
이한샘
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현대자동차주식회사
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Priority to KR1020150129891A priority Critical patent/KR20170032090A/en
Publication of KR20170032090A publication Critical patent/KR20170032090A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • F01N5/025—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat the device being thermoelectric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/04—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric, e.g. electrostatic, device other than a heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1602—Temperature of exhaust gas apparatus
    • 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
    • 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
    • Y02T10/40—Engine management systems

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

The present invention relates to a thermoelectric generator for a vehicle. According to one embodiment of the present invention, the thermoelectric generator for a vehicle comprises: a purification unit where a catalyst have a chemical reaction with exhaust gas; a first exhaust pipe and a second exhaust pipe connecting the purification unit and an exhaust manifold and having a flow passage where the exhaust gas flows; a thermoelectric module disposed in the first exhaust pipe to generate electric energy by using thermal energy of the exhaust gas; and a flow passage control unit disposed in the first exhaust pipe and the second exhaust pipe to control a size of the flow passage.

Description

차량용 열전 발전기{Thermoelectric generator for vehicle}TECHNICAL FIELD [0001] The present invention relates to a thermoelectric generator for vehicle,

본 발명은 차량용 열전 발전기에 관한 것으로, 보다 상세하게는 배기가스 정화를 위한 촉매 기능을 유지하면서 배기열을 회수할 수 있는 차량용 열전 발전기에 관한 것이다.The present invention relates to a thermoelectric generator for a vehicle, and more particularly, to a thermoelectric generator for a vehicle capable of recovering exhaust heat while maintaining a catalyst function for purifying exhaust gas.

일반적으로, 차량의 엔진에서 배출되는 배기가스는 그 이용가치가 없는 불필요한 열, 즉 폐열로 간주되어 대기로 버려지고 있다. 그러나 엔진의 배기열은 전체 연료 소비량의 약 30%를 차지하는 막대한 양으로서, 그 이용가치가 점점 높아지고 있다. In general, exhaust gas discharged from an engine of a vehicle is regarded as unnecessary heat that is not worthy of its utility, that is, waste heat, and is discharged to the atmosphere. However, the exhaust heat of the engine is an enormous amount which accounts for about 30% of the total fuel consumption, and its use value is increasing.

일반적인 가솔린이나 디젤 엔진에 의하면, 엔진 내부에 공급되는 연료는 엔진의 정상적인 출력 소비에 약 30%, 냉각 손실이 30%, 배기 손실이 약 30% 및 기타 보조기기의 구동에 약 10% 정도의 열량을 각각 소비하는 것으로 알려져 있다. 이러한 열량 중 배기가스에 포함된 약 30%의 열은 직접 대기중에 배출되어 버려지게 되므로, 그만큼의 열손실 을 초래하여 에너지의 효율적인 운용 측면에서 커다란 문제점이 있었다. 그리하여 근래에는 차량의 배기가스를 이용하여 차량에 전기를 공급하는 열전 발전 장치와, 배기가스의 열을 회수하여 차량 내부를 난방하는 배기열 회수 장치 등이 널리 사용되고 있다.According to a typical gasoline or diesel engine, the fuel supplied to the engine is about 30% of the normal output power of the engine, 30% of the cooling loss, about 30% of the exhaust loss, and about 10% Respectively. Since about 30% of the heat contained in the exhaust gas is directly discharged to the atmosphere, heat loss is caused to such an extent and there is a great problem in terms of efficient operation of energy. Thus, in recent years, there have been widely used thermoelectric generators for supplying electricity to vehicles using exhaust gas of vehicles, and exhaust heat recovery apparatus for recovering heat of exhaust gases to heat the inside of vehicles.

한편, 열전소자는 소자 양단의 온도차를 전기로 변환함으로써 열에너지를 전기에너지로 변환하거나 소자에 전기를 흐르게 함으로써 소자 양단에 온도차를 일으켜 전기에너지를 열에너지로 변환하는 열전현상을 이용하는 소자를 말한다. On the other hand, a thermoelectric element refers to a device that converts heat energy into electric energy by converting the temperature difference between the both ends of the element into electricity, or uses a thermoelectric phenomenon in which electricity flows to the element to cause a temperature difference across the element to convert electric energy into heat energy.

그러나 배기열을 무분별하게 회수할 경우 엔진에서 배출되는 유해배출물이 촉매컨버터에서 적절히 정화되지 못할 수 있다. 즉, 촉매컨버터의 LOT(Light-Off Temperature) 도달 이전에는 촉매의 원활한 정화 기능 발휘가 불가능하여 배기 가스 중의 유해배출물량이 증가하게 된다. 따라서 배기열 회수와 함께 유배배출물을 저감할 필요가 있다.
However, if the exhaust heat is recovered indiscriminately, the harmful emissions discharged from the engine may not be appropriately purified by the catalytic converter. That is, prior to reaching the LOT (Light-Off Temperature) of the catalytic converter, it is impossible to perform the function of purifying the catalyst smoothly, thereby increasing the amount of harmful emissions in the exhaust gas. Therefore, it is necessary to reduce exhaled emissions together with exhaust heat recovery.

본 발명이 해결하고자 하는 과제는 다음과 같다.Problems to be solved by the present invention are as follows.

첫째, 엔진의 배기가스로부터 배기열을 회수하는 것이다.First, the exhaust heat is recovered from the exhaust gas of the engine.

둘째, 배기열 회수가 배기가스 정화성능에 영향을 주지 않게 하는 것이다.Second, the exhaust heat recovery does not affect the exhaust gas purifying performance.

본 발명의 과제들은 이상에서 언급한 과제들로 제한되지 않으며, 언급되지 않은 또 다른 과제들은 아래의 기재로부터 당업자에게 명확하게 이해될 수 있을 것이다.The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

상기 과제를 달성하기 위하여, 본 발명의 일 실시예에 의한 차량용 열전 발전기는, 배기가스와 화학반응을 하는 촉매가 배치된 정화부; 상기 정화부와 배기매니폴더를 연결하고, 배기가스가 유동하는 유로를 형성하는 제1배기관 및 제2배기관; 상기 제1배기관에 배치되어 배기가스의 열에너지로 전기에너지를 생성하는 열전모듈; 및 상기 제1배기관과 상기 제2배기관에 배치되어 유로 크기를 조절하는 유로조절부를 포함한다. According to an aspect of the present invention, there is provided a thermoelectric generator for a vehicle according to an embodiment of the present invention, the thermoelectric generator including: a purifier including a catalyst for chemically reacting with exhaust gas; A first exhaust pipe and a second exhaust pipe connecting the purifier and the exhaust manifold to form a flow path through which the exhaust gas flows; A thermoelectric module disposed in the first exhaust pipe and generating electrical energy as thermal energy of the exhaust gas; And a flow control unit disposed in the first exhaust pipe and the second exhaust pipe to adjust the size of the flow path.

또한, 본 발명의 일 실시예에 의한 차량용 열전 발전기는, 배기가스와 화학반응을 하는 촉매가 배치된 정화부; 상기 정화부와 배기매니폴더를 연결하고, 배기가스가 유동하는 유로를 형성하는 제1배기관; 상기 제1배기관 속에 배치된 제2배기관; 상기 제1배기관에 배치되어 배기가스의 열에너지로 전기에너지를 생성하는 열전모듈; 및 상기 제2배기관의 단부에 상기 제2배기관의 중심방향 및 중심과 멀어지는 방향으로 피봇이동 가능하게 배치되고, 상기 제1배기관과 상기 제2배기관의 유로크기를 조절하는 유로조절부를 포함한다. According to another aspect of the present invention, there is provided a thermoelectric generator for a vehicle, comprising: a purifier including a catalyst for chemically reacting with exhaust gas; A first exhaust pipe connecting the purifier to the exhaust manifold and forming a flow path through which the exhaust gas flows; A second exhaust pipe disposed in the first exhaust pipe; A thermoelectric module disposed in the first exhaust pipe and generating electrical energy as thermal energy of the exhaust gas; And a flow control unit disposed at an end portion of the second exhaust pipe so as to be pivotally movable in a direction away from a center direction and a center of the second exhaust pipe and regulating a flow path size between the first exhaust pipe and the second exhaust pipe.

기타 실시 예들의 구체적인 사항들은 상세한 설명 및 도면들에 포함되어 있다.The details of other embodiments are included in the detailed description and drawings.

본 발명에 의하면 다음과 같은 효과가 있다. The present invention has the following effects.

첫째, 엔진의 배기가스로부터 배기열을 회수하는 것이다.First, the exhaust heat is recovered from the exhaust gas of the engine.

둘째, 배기열 회수가 배기가스 정화성능에 영향을 주지 않게 하는 것이다.Second, the exhaust heat recovery does not affect the exhaust gas purifying performance.

본 발명의 효과들은 이상에서 언급한 효과들로 제한되지 않으며, 언급되지 않은 또 다른 효과들은 청구범위의 기재로부터 당업자에게 명확하게 이해될 수 있을 것이다.The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

도1은 본 발명의 일 실시예에 의한 차량용 열전 발전기의 사시도이다.
도2a는 촉매활성화 전, 본 발명의 일 실시예에 의한 차량용 열전 발전기의 수직단면도이다.
도2b는 촉매활성화 후, 본 발명의 일 실시예에 의한 차량용 열전 발전기의 수직단면도이다.
도3a는 촉매활성화 전, 본 발명의 다른 실시예에 의한 차량용 열전 발전기의 수직단면도이다.
도3b는 촉매활성화 후, 본 발명의 다른 실시예에 의한 차량용 열전 발전기의 수직단면도이다.
도4a는 촉매활성화 전, 본 발명의 다른 실시예에 의한 차량용 열전 발전기의 사시도이다.
도4b는 촉매활성화 후, 본 발명의 다른 실시예에 의한 차량용 열전 발전기의 사시도이다.
도4는 촉매활성화 전, 본 발명의 다른 실시예에 의한 차량용 열전 발전기의 사시도이다.1 is a perspective view of a thermoelectric generator for a vehicle according to an embodiment of the present invention.
2A is a vertical cross-sectional view of a thermoelectric generator for a vehicle according to an embodiment of the present invention before the catalyst activation.
FIG. 2B is a vertical cross-sectional view of the thermoelectric generator for a vehicle according to an embodiment of the present invention after catalytic activation.
3A is a vertical cross-sectional view of a thermoelectric generator for a vehicle according to another embodiment of the present invention before the catalyst activation.
FIG. 3B is a vertical cross-sectional view of a thermoelectric generator for a vehicle according to another embodiment of the present invention, after catalyst activation; FIG.
4A is a perspective view of a thermoelectric generator for a vehicle according to another embodiment of the present invention before the activation of the catalyst.
FIG. 4B is a perspective view of a thermoelectric generator for a vehicle according to another embodiment of the present invention after catalytic activation. FIG.
4 is a perspective view of a thermoelectric generator for a vehicle according to another embodiment of the present invention before the catalyst activation.

본 발명의 이점 및 특징, 그리고 그것들을 달성하는 방법은 첨부되는 도면과 함께 상세하게 후술되어 있는 실시 예들을 참조하면 명확해질 것이다. BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings.

그러나 본 발명은 이하에서 개시되는 실시 예들에 한정되는 것이 아니라 서로 다른 다양한 형태로 구현될 수 있으며, 단지 본 실시 예들은 본 발명의 개시가 완전하도록 하고, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 발명의 범주를 완전하게 알려주기 위해 제공되는 것이며, 본 발명은 청구항의 범주에 의해 정의될 뿐이다. 명세서 전체에 걸쳐 동일 참조 부호는 동일 구성 요소를 지칭한다.The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

이하, 본 발명의 실시 예들에 의하여 차량용 열전 발전기를 설명하기 위한 도면들을 참고하여 본 발명에 대해 설명하도록 한다.Hereinafter, the present invention will be described with reference to the drawings for explaining a thermoelectric generator for a vehicle according to embodiments of the present invention.

도1은 본 발명의 일 실시예에 의한 차량용 열전 발전기의 사시도이다. 도2a는 촉매활성화 전, 본 발명의 일 실시예에 의한 차량용 열전 발전기의 수직단면도이다. 도2b는 촉매활성화 후, 본 발명의 일 실시예에 의한 차량용 열전 발전기의 수직단면도이다. 도3a는 촉매활성화 전, 본 발명의 다른 실시예에 의한 차량용 열전 발전기의 수직단면도이다. 도3b는 촉매활성화 후, 본 발명의 다른 실시예에 의한 차량용 열전 발전기의 수직단면도이다.1 is a perspective view of a thermoelectric generator for a vehicle according to an embodiment of the present invention. 2A is a vertical cross-sectional view of a thermoelectric generator for a vehicle according to an embodiment of the present invention before the catalyst activation. FIG. 2B is a vertical cross-sectional view of the thermoelectric generator for a vehicle according to an embodiment of the present invention after catalytic activation. 3A is a vertical cross-sectional view of a thermoelectric generator for a vehicle according to another embodiment of the present invention before the catalyst activation. FIG. 3B is a vertical cross-sectional view of a thermoelectric generator for a vehicle according to another embodiment of the present invention, after catalyst activation; FIG.

도1내지 도3을 참조하면, 본 발명의 일 실시예에 의한 차량용 열전 발전기는, 배기가스와 화학반응을 하는 촉매가 배치된 정화부(10); 정화부(10)와 배기매니폴더를 연결하고, 배기가스가 유동하는 유로를 형성하는 제1배기관(21, 31) 및 제2배기관(22, 32); 제1배기관(21, 31)에 배치되어 배기가스의 열에너지로 전기에너지를 생성하는 열전모듈(40); 및 제1배기관(21, 31)과 제2배기관(22, 32)에 배치되어 유로 크기를 조절하는 유로조절부(50, 60)를 포함한다. 1 to 3, a thermoelectric generator for a vehicle according to an embodiment of the present invention includes a purifier 10 in which a catalyst that chemically reacts with exhaust gas is disposed; A first exhaust pipe (21, 31) and a second exhaust pipe (22, 32) connecting the purifier (10) and the exhaust manifold to form a flow path through which exhaust gas flows; A thermoelectric module (40) disposed in the first exhaust pipe (21, 31) and generating electrical energy with thermal energy of the exhaust gas; And regulating portions 50 and 60 disposed in the first exhaust pipes 21 and 31 and the second exhaust pipes 22 and 32 to regulate the size of the flow passage.

정화부(10)는 일산화탄소, 탄화수소, 질소산화물, 디젤미립자PM 등을 제거한다. 예를 들어, 가솔린 차량은 경우 3원 촉매가 배기가스와 산화 또는 환원 반응을 한다. 다른 예로, 디젤차량은 3원 촉매에서 환원 기능을 없앤 디젤산화촉매(DOC)를 사용한다. The purifying section 10 removes carbon monoxide, hydrocarbons, nitrogen oxides, diesel particulate PM, and the like. For example, in a gasoline vehicle, the three-way catalyst performs an oxidation or reduction reaction with the exhaust gas. As another example, a diesel vehicle uses a diesel oxidation catalyst (DOC) that eliminates the reduction function on a three-way catalyst.

한편 가솔린차량의 3원촉매와 디젤차량의 산화촉매는 촉매의 온도가 일정수준에 도달해야 정화율이 높아진다. 정화부(10)는 촉매의 온도에 따라 정화율이 달라진다. On the other hand, the three-way catalyst of the gasoline vehicle and the oxidation catalyst of the diesel vehicle have a high purification rate when the temperature of the catalyst reaches a certain level. The purification rate of the purification section 10 varies depending on the temperature of the catalyst.

유로조절부(50, 60)는, 제1배기관(21, 31)과 제2배기관(22, 32) 중 어느 하나의 유로를 개방하면 다른 하나의 유로를 폐쇄한다. The flow path regulating portions 50 and 60 close one of the first and second exhaust pipes 21 and 31 and the other of the second exhaust pipes 22 and 32 when the flow path is opened.

유로조절부(50, 60)는 제1배기관(21, 31)의 유로크기를 증가시킴과 동시에 제2배기관(22, 32)의 유로크기를 감소시킬 수 있다. 유로조절부(50, 60)는 정화부(10)의 촉매가 일정 온도에 도달하면 유로를 변경할 수 있다. The flow regulating portions 50 and 60 can increase the flow path size of the first exhaust pipes 21 and 31 and reduce the flow path size of the second exhaust pipes 22 and 32. [ The flow regulating portions 50 and 60 can change the flow path when the catalyst of the purifying portion 10 reaches a predetermined temperature.

유로조절부(50, 60)는, 정화부(10)의 촉매가 활성화 온도에 도달하기 전에는 제2배기관(22, 32)을 개방하고, 정화부(10)의 촉매가 활성화 온도에 도달하면 제1배기관(21, 31)을 개방한다. 촉매활성화 온도는 400도 일 수 있다. The flow regulating portions 50 and 60 open the second exhaust pipes 22 and 32 before the catalyst of the purifying portion 10 reaches the activation temperature. When the catalyst of the purifying portion 10 reaches the activation temperature, 1 exhaust pipes 21 and 31 are opened. The catalyst activation temperature may be 400 degrees.

다른 예로, 유로조절부(50, 60)의 작동기준은 배기가스의 온도를 기준으로 할 수도 있다. As another example, the operating criteria of the flow regulating portions 50 and 60 may be based on the temperature of the exhaust gas.

본 발명의 일 실시예에 의한 차량용 열전 발전기는, 배기가스와 화학반응을 하는 촉매가 배치된 정화부(10); 정화부(10)와 배기매니폴더를 연결하고, 배기가스가 유동하는 유로를 형성하는 제1배기관(21, 31); 제1배기관(21, 31) 속에 배치된 제2배기관(22, 32); 제1배기관(21, 31)에 배치되어 배기가스의 열에너지로 전기에너지를 생성하는 열전모듈(40); 및 제2배기관(22, 32)의 단부에 제2배기관(22, 32)의 중심 방향(X) 및 중심과 멀어지는 방향(Y)으로 피봇이동 가능하게 배치되고, 제1배기관(21, 31)과 제2배기관(22, 32)의 유로크기를 조절하는 유로조절부(50, 60)를 포함한다.A thermoelectric generator for a vehicle according to an embodiment of the present invention includes a purifier (10) having a catalyst (11) arranged to chemically react with exhaust gas; A first exhaust pipe (21, 31) connecting the purifier (10) and an exhaust manifold and forming a flow path through which exhaust gas flows; A second exhaust pipe (22, 32) disposed in the first exhaust pipe (21, 31); A thermoelectric module (40) disposed in the first exhaust pipe (21, 31) and generating electrical energy with thermal energy of the exhaust gas; The first exhaust pipe 21 and the second exhaust pipe 32 are disposed at the ends of the first and second exhaust pipes 22 and 32 so as to be pivotally movable in the direction X and the direction Y away from the center of the second exhaust pipes 22 and 32, And the flow regulating portions 50 and 60 for regulating the flow path size of the second exhaust pipe 22 and 32.

열전모듈(40)은, 열전소자(41); 및 열전소자(41)로부터 열에너지를 흡수하는 냉각부(43)를 포함한다. The thermoelectric module (40) includes a thermoelectric element (41); And a cooling unit 43 that absorbs thermal energy from the thermoelectric element 41. [

냉각부(43)는 제1배기관(31)과 온도차이를 형성한다. 냉각부(43)는 열전소자(41)의 저온부에 배치된다.The cooling section 43 forms a temperature difference with the first exhaust pipe 31. The cooling part 43 is disposed at the low temperature part of the thermoelectric element 41. [

제2배기관(32)은 제1배기관(31) 내부에 삽입 배치된다. 제1배기관(31)은 제2배기관(32)보다 직경이 크다. 따라서 열전모듈(40)을 다수 배치할 수 있다. 또한 제1배기관(31)과 제2배기관(32) 사이에는 공간이 형성되므로, 상기와 같은 구조는 제2배기관(32)을 단열하는 효과가 있다. The second exhaust pipe (32) is inserted into the first exhaust pipe (31). The first exhaust pipe (31) is larger in diameter than the second exhaust pipe (32). Accordingly, a large number of thermoelectric modules 40 can be disposed. In addition, since a space is formed between the first exhaust pipe 31 and the second exhaust pipe 32, the above structure has the effect of insulating the second exhaust pipe 32.

도4a는 촉매활성화 전, 본 발명의 다른 실시예에 의한 차량용 열전 발전기의 사시도이다. 도4b는 촉매활성화 후, 본 발명의 다른 실시예에 의한 차량용 열전 발전기의 사시도이다.4A is a perspective view of a thermoelectric generator for a vehicle according to another embodiment of the present invention before the activation of the catalyst. FIG. 4B is a perspective view of a thermoelectric generator for a vehicle according to another embodiment of the present invention after catalytic activation. FIG.

유로조절부(60)는, 정화부(10)의 촉매 활성화 온도에 따라 형상이 변경되는 형상기억합금으로 형성되어 유로를 조절한다. 형상기억합금은 온도에 따라 상변화에 의해 형상이 변경된다. 따라서 유로조절부(60)는 정해진 온도에서 제2배기관(32)을 폐쇄하고, 다른 온도에서는 제2배기관(32)을 개방하도록 변형될 수 있다.The flow regulating portion 60 is formed of a shape memory alloy whose shape is changed according to the catalyst activation temperature of the purifying portion 10 to regulate the flow path. The shape memory alloy is shaped by a phase change according to the temperature. Therefore, the flow regulating portion 60 can be deformed to close the second exhaust pipe 32 at a predetermined temperature and to open the second exhaust pipe 32 at another temperature.

유로조절부(60)는, 제2배기관(32)에 힌지 결합되고, 정화부(10)의 촉매가 활성화 온도 이하이면, 제2배기관(32)의 중심 방향(X)으로 피봇이동하여 제2배기관(32)을 폐쇄한다. The flow regulating portion 60 is hinged to the second exhaust pipe 32. When the catalyst of the purifying portion 10 is below the activation temperature, the flow regulating portion 60 is pivotally moved in the center direction X of the second exhaust pipe 32, The exhaust pipe 32 is closed.

유로조절부(60)는, 정화부(10)의 촉매가 활성화 온도를 초과하면, 제2배기관(32)의 중심에서 멀어지는 방향(Y)으로 피봇이동하여 제2배기관(32)과 제1배기관(31) 사이를 폐쇄한다. When the catalyst of the purifying section 10 exceeds the activation temperature, the flow regulating section 60 pivots in the direction Y away from the center of the second exhaust pipe 32 to pivot the second exhaust pipe 32 and the first exhaust pipe 32, (31).

유로조절부(60)는, 피봇 이동 정도에 따라 서로 중첩 정도가 달라지는 복수의 리드(61)(reed)를 포함한다. The flow regulating portion 60 includes a plurality of leads 61 (reed) whose degree of overlapping varies depending on the degree of pivotal movement.

복수의 리드(61)는 제2배기관(32)의 중심 방향(X)으로 이동하면 서로 중첩되는 면적이 넓어진다. 복수의 리드(61)는 제2배기관(32)의 중심으로부터 멀어지는 방향(Y)으로 이동하면 서로 중첩되는 면적이 줄어든다. When the plurality of leads 61 move in the center direction X of the second exhaust pipe 32, the areas overlapping each other are widened. When the plurality of leads 61 move in the direction Y away from the center of the second exhaust pipe 32, the area overlapping each other is reduced.

이상에서는 본 발명의 바람직한 실시 예에 대하여 도시하고 설명하였지만, 본 발명은 상술한 특정의 실시 예에 한정되지 아니하며, 특허청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 다양한 변형실시가 가능한 것은 물론이고, 이러한 변형실시들은 본 발명의 기술적 사상이나 전망으로부터 개별적으로 이해되어서는 안 될 것이다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It should be understood that various modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.

10: 정화부
21: 제1배기관
22: 제2배기관
31: 제1배기관
32: 제2배기관
40: 열전모듈
41: 열전소자
43: 냉각부
50: 유로조절부
60: 유로조절부
61: 리드10: Purification section
21: First exhaust pipe
22: Second exhaust pipe
31: First exhaust pipe
32: Second exhaust pipe
40: thermoelectric module
41: thermoelectric element
43:
50:
60:
61: Lead

Claims (10)

배기가스와 화학반응을 하는 촉매가 배치된 정화부;
상기 정화부와 배기매니폴더를 연결하고, 배기가스가 유동하는 유로를 형성하는 제1배기관 및 제2배기관;
상기 제1배기관에 배치되어 배기가스의 열에너지로 전기에너지를 생성하는 열전모듈; 및
상기 제1배기관과 상기 제2배기관 중 적어도 어느 하나에 배치되어 유로 크기를 조절하는 유로조절부를 포함하는 차량용 열전 발전기.A purifying unit in which a catalyst that chemically reacts with exhaust gas is disposed;
A first exhaust pipe and a second exhaust pipe connecting the purifier and the exhaust manifold to form a flow path through which the exhaust gas flows;
A thermoelectric module disposed in the first exhaust pipe and generating electrical energy as thermal energy of the exhaust gas; And
And a flow regulator disposed in at least one of the first exhaust pipe and the second exhaust pipe to regulate a flow path size. 제 1 항에 있어서,
상기 유로조절부는,
상기 제1배기관과 상기 제2배기관 중 어느 하나의 유로를 개방하면 다른 하나의 유로를 폐쇄하는 차량용 열전 발전기.The method according to claim 1,
The flow-
And closing one of the first exhaust pipe and the second exhaust pipe when the other one of the first exhaust pipe and the second exhaust pipe is opened. 제 1 항에 있어서,
상기 유로조절부는,
상기 정화부의 촉매가 활성화 온도에 도달하기 전에는 상기 제2배기관을 개방하고,
상기 정화부의 촉매가 활성화 온도에 도달하면 상기 제1배기관을 개방하는 차량용 열전 발전기.The method according to claim 1,
The flow-
The second exhaust pipe is opened before the catalyst of the purifying portion reaches the activation temperature,
And opens the first exhaust pipe when the catalyst of the purifying portion reaches the activation temperature. 제 1 항에 있어서,
상기 제2배기관은 상기 제1배기관 내부에 삽입 배치된 차량용 열전 발전기.The method according to claim 1,
And the second exhaust pipe is inserted into the first exhaust pipe. 제 4 항에 있어서,
상기 유로조절부는,
상기 정화부의 촉매 활성화 온도에 따라 형상이 변경되는 형상기억합금으로 형성되어 유로를 조절하는 차량용 열전 발전기.5. The method of claim 4,
The flow-
And the shape of the shape memory alloy is changed according to the catalyst activation temperature of the purifier. 제 4 항에 있어서,
상기 유로조절부는,
상기 제2배기관에 힌지 결합되고,
상기 정화부의 촉매가 활성화 온도 이하이면, 상기 제2배기관의 중심 방향으로 피봇이동하여 상기 제2배기관을 폐쇄하는 차량용 열전 발전기.5. The method of claim 4,
The flow-
A second exhaust pipe hinged to the second exhaust pipe,
And the second exhaust pipe is pivotally moved toward the center of the second exhaust pipe to close the second exhaust pipe when the catalyst of the purifying portion is below the activation temperature. 제 6 항에 있어서,
상기 유로조절부는,
상기 정화부의 촉매가 활성화 온도를 초과하면, 상기 제2배기관의 중심에서 멀어지는 방향으로 피봇이동하여 상기 제2배기관과 상기 제1배기관 사이를 폐쇄하는 차량용 열전 발전기.The method according to claim 6,
The flow-
And pivotally moves in a direction away from the center of the second exhaust pipe to close between the second exhaust pipe and the first exhaust pipe when the catalyst of the purifier unit exceeds the activation temperature. 제 7 항에 있어서,
상기 유로조절부는,
피봇 이동 정도에 따라 서로 중첩 정도가 달라지는 복수의 리드(reed)를 포함하는 차량용 열전 발전기.8. The method of claim 7,
The flow-
And a plurality of reeds whose degree of overlap each other varies depending on the degree of pivot movement. 제 1 항에 있어서,
상기 열전모듈은,
열전소자; 및
상기 열전소자로부터 열에너지를 흡수하는 냉각부를 포함하는 차량용 열전 발전기.The method according to claim 1,
The thermoelectric module includes:
Thermoelectric elements; And
And a cooling section that absorbs thermal energy from the thermoelectric element. 배기가스와 화학반응을 하는 촉매가 배치된 정화부;
상기 정화부와 배기매니폴더를 연결하고, 배기가스가 유동하는 유로를 형성하는 제1배기관;
상기 제1배기관 속에 배치된 제2배기관;
상기 제1배기관에 배치되어 배기가스의 열에너지로 전기에너지를 생성하는 열전모듈; 및
상기 제2배기관의 단부에 상기 제2배기관의 중심방향 및 중심과 멀어지는 방향으로 피봇이동 가능하게 배치되고, 상기 제1배기관과 상기 제2배기관의 유로크기를 조절하는 유로조절부를 포함하는 차량용 열전 발전기.A purifying unit in which a catalyst that chemically reacts with exhaust gas is disposed;
A first exhaust pipe connecting the purifier to the exhaust manifold and forming a flow path through which the exhaust gas flows;
A second exhaust pipe disposed in the first exhaust pipe;
A thermoelectric module disposed in the first exhaust pipe and generating electrical energy as thermal energy of the exhaust gas; And
And a flow regulating portion disposed at an end portion of the second exhaust pipe so as to be pivotable in a direction away from a center direction and a center of the second exhaust pipe and regulating a flow path size of the first exhaust pipe and the second exhaust pipe, .
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108594895A (en) * 2018-05-31 2018-09-28 江苏大学 Energy recovery device of automobile exhaust electric-control system based on thermo-electric generation and method
KR20200061495A (en) 2018-11-24 2020-06-03 이원세 Injectable using piston Air-tube type hanger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108594895A (en) * 2018-05-31 2018-09-28 江苏大学 Energy recovery device of automobile exhaust electric-control system based on thermo-electric generation and method
CN108594895B (en) * 2018-05-31 2023-09-26 江苏大学 Electric control system and method for automobile exhaust energy recovery device based on thermoelectric power generation
KR20200061495A (en) 2018-11-24 2020-06-03 이원세 Injectable using piston Air-tube type hanger

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