JPS61254082A - Power generator utilizing exhaust heat - Google Patents
Power generator utilizing exhaust heatInfo
- Publication number
- JPS61254082A JPS61254082A JP60093385A JP9338585A JPS61254082A JP S61254082 A JPS61254082 A JP S61254082A JP 60093385 A JP60093385 A JP 60093385A JP 9338585 A JP9338585 A JP 9338585A JP S61254082 A JPS61254082 A JP S61254082A
- Authority
- JP
- Japan
- Prior art keywords
- conversion element
- exhaust gas
- thermoelectric conversion
- heat
- conduit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
- H10N10/17—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the structure or configuration of the cell or thermocouple forming the device
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、排気熱発電装置に係り、特に自動車等の排気
ガス中の熱を利用し熱電変換素子を用いて発電する排気
熱発電装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an exhaust heat power generation device, and more particularly to an exhaust heat power generation device that utilizes heat in exhaust gas from an automobile or the like to generate electricity using a thermoelectric conversion element. .
自動車等のエンジンや工場の炉等から排気されるガスは
、通常多くの熱エネルギ及び運動エネルギを備えたまま
排気されてしまう現状にあり、このため、近年省エネル
ギの観点からも、この排気ガスの排気エネルギの有効利
用の研究、開発が行われている。The current situation is that gases exhausted from automobile engines, factory furnaces, etc. are usually exhausted with a large amount of thermal energy and kinetic energy. Research and development is being carried out on the effective use of exhaust energy.
そして、この排気ガスの有効利用の一つとして、排気ガ
スが有する熱エネルギを電気エネルギとして取り出す排
気熱発電装置が注目されている。As one of the effective uses of this exhaust gas, an exhaust heat power generation device that extracts the thermal energy contained in the exhaust gas as electrical energy is attracting attention.
この排気熱発電装置の内、熱エネルギを電気エネルギに
変換せしめる熱電変換素子を利用したものとしては、■
実開昭５７−１６４２０８号、■特公昭５８−４４８４
２号等の各公報記載の提案が既に行われている。Among these exhaust heat power generation devices, those that use thermoelectric conversion elements that convert thermal energy into electrical energy include:
Utility Model No. 57-164208, Special Publication No. 58-4484
Proposals for publication in various publications such as No. 2 have already been made.
この内、前記■の公報記載のものにあっては、熱電対を
排熱通路を形成する円筒断熱材に装着して、熱起電力で
バッテリを充電せしめる手法が開示されている。Among these, the one described in the above-mentioned publication (2) discloses a method in which a thermocouple is attached to a cylindrical heat insulating material forming a heat exhaust passage and a battery is charged by thermoelectromotive force.
また、前記■の公報記載のものにあっては、排気筒の吐
出口付近に熱発電素子を設け、該、排気筒の内側では高
温ガスの熱を吸熱フィンで吸熱して前記熱発電素子に伝
達するとともに、前記吐出口付近に設けられた外筒を通
ってベンチエリ効果により導入される外気を冷却フィン
を介し前記熱発電素子に伝達して温度差を生ぜしめ、こ
れにより発電を行うとされている。In addition, in the case described in the above-mentioned publication, a thermoelectric generating element is provided near the discharge port of the exhaust stack, and inside the exhaust stack, the heat of the high temperature gas is absorbed by heat absorbing fins, and the heat is transferred to the thermoelectric generating element. At the same time, outside air introduced by the Benchelli effect through an outer cylinder provided near the discharge port is transmitted to the thermoelectric power generating element via cooling fins to create a temperature difference, thereby generating electricity. ing.
しかしながら、前述した各公報記載の提案の内、例えば
■の熱電対のみを使用したものでは、電力として有効に
利用し得るだけの容量のものを取り出すのが困難であり
、しかも一方の接点を排気ガス中に露出せしめているこ
とから耐久性にも難点があり、しかも、開示内容の如く
直接バッテリへ接続すると、逆にバッテリを放電せしめ
るおそれがあり実用性に欠けるという不都合があった。However, among the proposals described in each of the above-mentioned publications, for example, using only the thermocouple shown in (■), it is difficult to extract enough capacity to effectively use it as electric power, and one of the contacts is exhausted. Since it is exposed to gas, there is a problem in its durability, and furthermore, if it is connected directly to a battery as disclosed, there is a risk that the battery will be discharged, making it impractical.
また、前記■の提案においては、ベンチュリ効果による
冷却フィン側の冷却手法に発明のポイントがあるが故に
、殆どの場合、その装着位置が排気筒の吐出口付近に必
然的に限定されることから、装備の自由度が減少し、ま
た高温ガスも出口付近の低下した熱エネルギしか利用で
きないという事態を招来し、その熱起電力が゛減少する
ことから発電効率があまり良くないという不都合があっ
た。In addition, in the proposal (2) above, since the key point of the invention lies in the cooling method on the cooling fin side using the venturi effect, in most cases, the mounting position is inevitably limited to the vicinity of the exhaust port. This resulted in the inconvenience that the degree of freedom in equipment was reduced, and that only the reduced thermal energy near the outlet of high-temperature gas could be used, and that the thermoelectromotive force was reduced, resulting in poor power generation efficiency. .
本発明は、かかる従来技術の有する不都合を勘案し、特
に、排気ガス通路であれば殆どの位置に適合可能であり
、且つ充分使用に供し得る電力を取り出すことが可能な
排気熱発電装置を提供することを、その目的とする。In view of the disadvantages of the prior art, the present invention provides an exhaust heat power generation device that can be adapted to almost any position in an exhaust gas passage and that can extract enough usable power. Its purpose is to.
そこで、本発明では、排気ガスの熱エネルギを電気エネ
ルギに変換する熱電変換素子と、この熱電変換素子を前
記排気ガスの流路の側壁に保持する保持部とを備えた排
気熱発電装置において、前記保持部を、前記排気ガス側
に位置せしめる吸熱部材と、この吸熱部材の外側に所定
間隔をおいて配設した冷却部材とにより形成し、この冷
却部材と前記吸熱部材との間に前記熱変換素子を装備す
る等の構成を採用し、これによって前記目的を達成しよ
うとするものである。Therefore, in the present invention, an exhaust heat power generation device includes a thermoelectric conversion element that converts thermal energy of exhaust gas into electrical energy, and a holding part that holds this thermoelectric conversion element on the side wall of the exhaust gas flow path. The holding portion is formed by a heat absorbing member located on the exhaust gas side and a cooling member disposed at a predetermined interval outside the heat absorbing member, and the heat is disposed between the cooling member and the heat absorbing member. The purpose is to achieve the above object by adopting a configuration such as being equipped with a conversion element.
〔作 用〕
保持部を形成する内側の吸熱部材及び外側の冷却部材と
して、例えば熱伝導性及び電気絶縁性を有するファイン
セラミック等の部材を使用すると、高温の排気ガスが前
記吸熱部材内を流通するに伴って、外気ぐより冷却され
る前記冷却部材との間に大きな温度差（実験では６５０
℃）を生せしめる。[Function] When a member such as a fine ceramic having thermal conductivity and electrical insulation is used as the inner heat absorbing member and the outer cooling member forming the holding part, high temperature exhaust gas flows through the heat absorbing member. As the cooling temperature increases, a large temperature difference (650°C in the experiment) occurs between the cooling member and the
℃).
従って、前記吸熱部材と冷却部材との間に介装して設け
られている熱電変換素子は、この温度差を利用して発電
を行うことができる。Therefore, the thermoelectric conversion element interposed between the heat absorbing member and the cooling member can generate electricity by utilizing this temperature difference.
これによると、単に排気ガスを流通させるだけでよいか
ら排気熱発電装置の装備可能な位置の自由度が高められ
る。According to this, since it is sufficient to simply circulate the exhaust gas, the degree of freedom in the location where the exhaust heat power generation device can be installed is increased.
また、上述の排気熱発電装置において、その出力段にＤ
Ｃ−ＤＣコンバータを装備すると、熱電変換素子の出力
電圧が昇圧し且つ平滑化され、充分使用に供し得る大き
な電力を取り出すことができる。In addition, in the above-mentioned exhaust heat power generation device, D
When equipped with a C-DC converter, the output voltage of the thermoelectric conversion element is boosted and smoothed, and it is possible to extract a large amount of power that can be used sufficiently.
更に、上述の排気熱発電装置において、逆流防止手段を
装備することによって、ＤＣ−ＤＣコンバータの出力が
低下した場合でも、負荷（例えばバッテリ）からの逆流
を防止することができる。Furthermore, by equipping the above-mentioned exhaust heat power generation device with a backflow prevention means, even if the output of the DC-DC converter decreases, backflow from the load (for example, a battery) can be prevented.
以下、本発明の一実施例を第１図ないし第４図に基づい
て説明する。An embodiment of the present invention will be described below with reference to FIGS. 1 to 4.
第１図において、２は排気熱発電装置を示す。In FIG. 1, 2 indicates an exhaust heat power generation device.
この排気熱発電装置２は、高温の排気ガスの保有する熱
エネルギを電気エネルギに変換する熱電変換部４と、こ
の熱電変換部４の出力電圧を昇圧し平滑化するＤＣ−Ｄ
Ｃコンバータ６と、このＤＣ−ＤＣコンバータ６の出力
を負荷へ供給した場合に逆流を防止せしめる逆流防止手
段８とから構成されている。This exhaust heat power generation device 2 includes a thermoelectric conversion section 4 that converts thermal energy possessed by high-temperature exhaust gas into electrical energy, and a DC-D converter that boosts and smoothes the output voltage of the thermoelectric conversion section 4.
It is comprised of a C converter 6 and a backflow prevention means 8 that prevents backflow when the output of the DC-DC converter 6 is supplied to a load.
この内、前記熱電変換部４は、第２図ないし第３図に示
すように、熱エネルギを電気エネルギに変換せしめる半
導体素子から成る熱電変換素子１０と、この熱電変換素
子１０を高温の排気ガスの流路外周に保持する保持部１
２とから構成されている。As shown in FIGS. 2 and 3, the thermoelectric conversion section 4 includes a thermoelectric conversion element 10 made of a semiconductor element that converts thermal energy into electrical energy, and a thermoelectric conversion element 10 that converts the thermoelectric conversion element 10 into high-temperature exhaust gas. Holding part 1 held on the outer periphery of the flow path
It is composed of 2.
そして、前記保持部１２は、中空部を有する筒状に形成
された冷却部材としての冷却管路１２Ａ。The holding portion 12 is a cooling pipe line 12A as a cooling member formed in a cylindrical shape having a hollow portion.
及び吸熱部材としての吸熱管路１２Ｂより構成されてい
る。これらの管路１２Ａ、１２Ｂの材質としては、耐熱
性を有し且つ高い熱伝導度と電気絶縁性とを兼ね備えた
ファインセラミックス（例えばＢｅＱを添加した５ｉＣ
）が使用されている。ここで、前記吸熱管路１２Ｂは、
外側の冷却管路１２Ａより小さい同心円を有し、該冷却
管路１２Ａに貫挿する形で配設されている。この冷却管
路１２Ａと吸熱管路１２Ｂとは、その端部に設けられた
断熱性で且つ電気絶縁性のバッキング材１４（第３図参
照）によって固着され一体化されている。and a heat-absorbing pipe 12B as a heat-absorbing member. The material for these conduits 12A and 12B is fine ceramics (for example, 5iC with BeQ added) that is heat resistant and has both high thermal conductivity and electrical insulation.
) is used. Here, the endothermic pipe line 12B is
It has a smaller concentric circle than the outer cooling pipe 12A, and is disposed so as to penetrate through the cooling pipe 12A. The cooling pipe line 12A and the endothermic pipe line 12B are fixed and integrated by a heat-insulating and electrically insulating backing material 14 (see FIG. 3) provided at their ends.
そして、前記吸熱管路１２Ｂは軸方向に幾分長く形成さ
れて端部１２Ｂａ、ｌ ２Ｂａを有しており、この端部
１２Ｂａ、１２Ｂａを利用して、エンジンからの排気パ
イプ１６中の途中の所定位置に装備されている。The heat absorption pipe line 12B is formed to be somewhat long in the axial direction and has end portions 12Ba and 12Ba.Using these end portions 12Ba and 12Ba, the end portions 12B and 12B are used to connect the exhaust pipe 16 from the engine. Equipped in place.
一方、前記熱電変換素子１０としては、本実施例では、
第４図に示す如くＰ形半導体１０ＡとＮ形半導体１０Ｂ
とが両極板１０Ｃ２−・−・、ｉｏｃ。On the other hand, in this embodiment, the thermoelectric conversion element 10 is as follows:
As shown in FIG. 4, a P-type semiconductor 10A and an N-type semiconductor 10B
and bipolar plates 10C2--, ioc.
及び１０ Ｄ、−、１０Ｄ間に対を成し、これらの対の
複数組が直列に接続された構造のものが採用されている
。そして、内側の極板１０Ｃ２・−１１０Ｃが前記吸熱
管路１２Ｂに、また外側の極板１０Ｄ、−，１００が前
記冷却管路１２Ａに当接し、全体的には保持部１２の軸
に沿って螺旋状に巻装されている。そして、直列に接続
された熱電変換素子１０の両端にはリード線１８．１８
が設けられるように成っている。, 10D, -, 10D, and a structure in which a plurality of these pairs are connected in series is adopted. Then, the inner electrode plates 10C2 and -110C abut on the heat absorption pipe line 12B, and the outer electrode plates 10D, -, and 100 abut on the cooling pipe line 12A, and the entire structure is moved along the axis of the holding part 12. It is wrapped in a spiral. Lead wires 18 and 18 are connected to both ends of the thermoelectric conversion elements 10 connected in series.
It is designed so that it can be set up.
そして、前記熱電変換部４の直流出力は、最終的には前
記リード線１８．１８から取り出され、この直流電圧は
前記ＤＣ−ＤＣコンバータ６及び逆流防止手段としての
ダイオード８を介してバッテリ２０やその他の電気負荷
に至るように構成されている。The DC output of the thermoelectric converter 4 is finally taken out from the lead wire 18.18, and this DC voltage is passed through the DC-DC converter 6 and the diode 8 as a backflow prevention means to the battery 20 and and other electrical loads.
次に、本発明の全体的動作を説明する。Next, the overall operation of the present invention will be explained.
まず、図示しないエンジンからの排気ガスＥが排気パイ
プ１６を伝わって矢印の如く流入する。First, exhaust gas E from an engine (not shown) travels through the exhaust pipe 16 and flows in as shown by the arrow.
この排気ガスＥは自動車の場合で数百度にも達する高温
ガスである。この高温ガスの熱エネルギは、前記吸熱管
路１２Ｂによって吸熱され伝達されて、前記熱電変換素
子ｌＯ内側の極板１０Ｃ，−・。This exhaust gas E is a high-temperature gas that reaches several hundred degrees in the case of an automobile. Thermal energy of this high-temperature gas is absorbed and transferred by the heat-absorbing pipe line 12B to the electrode plates 10C, -, inside the thermoelectric conversion element IO.
１０Ｇに達する。同時に、前記冷却管路１０Ａは外気或
いは走行風によって冷却されており、このため、前記熱
電変換素子１０の外側の極板１０Ｄ。Reaches 10G. At the same time, the cooling pipe line 10A is cooled by the outside air or the running wind, so that the outer electrode plate 10D of the thermoelectric conversion element 10.
−・、１０Ｄは冷点となり、両極板間に温度差を生じる
。-., 10D becomes a cold spot, creating a temperature difference between the two electrode plates.
従って、前記熱電変換素子１０は、前記温度差を基に熱
エネルギを電気エネルギに変換し、熱起電力を生ぜしめ
る。Therefore, the thermoelectric conversion element 10 converts thermal energy into electrical energy based on the temperature difference, and generates a thermoelectromotive force.
前記排気ガスＥの流れは、実際にはエンジン駆動と伴に
脈動しているため、前記熱起電力も脈動することになる
が、この脈動起電力の中でも所定範囲の電圧は次段のＤ
Ｃ−ＤＣコンバータ６により充分使用に供し得る程度に
昇圧され平滑化される。このＤＣ−ＤＣコンバータ６の
出力はダイオード８を介して、バフテリ２０を充電する
ことになる。また、熱電変換素子ＩＯからの出力電圧が
小さすぎて、ＤＣ−ＤＣコンバータ６の出力電圧が前記
バッテリ２０の端子電圧以下であっても、ダイオード８
が介挿されているために、該バッテリ２０からＤＣ−Ｄ
Ｃコンバータ６側に逆流し放電するという事態が防止さ
れることになる。即ち、ダイオード８の作用によってＤ
Ｃ−ＤＣコンバータ６の出力電圧が充分高い場合にのみ
バフテリ２０への充電が選択的に自動的に行われること
となる。Since the flow of the exhaust gas E actually pulsates as the engine is driven, the thermal electromotive force also pulsates, but within this pulsating electromotive force, a voltage within a predetermined range is applied to the next stage D.
The voltage is boosted and smoothed by the C-DC converter 6 to a sufficient level for use. The output of the DC-DC converter 6 charges the buffer battery 20 via the diode 8. Furthermore, even if the output voltage from the thermoelectric conversion element IO is too small and the output voltage of the DC-DC converter 6 is below the terminal voltage of the battery 20, the diode 8
DC-D is inserted from the battery 20.
This will prevent a situation where the discharge flows backward to the C converter 6 side. That is, due to the action of the diode 8, D
Charging of the battery 20 is selectively and automatically performed only when the output voltage of the C-DC converter 6 is sufficiently high.
実験によると、約５００個の熱電変換素子を用い、これ
に約６５０（’Ｃ）の温度差を与えたところ、約５０（
Ｗ）の電力が取り出せることが確認されている。According to experiments, when approximately 500 thermoelectric conversion elements were used and a temperature difference of approximately 650 ('C) was applied to them, the temperature difference was approximately 50 ('C).
It has been confirmed that electric power of W) can be extracted.
このように、従来全く無駄に放出されていた排気ガスの
熱エネルギを電気エネルギとして有効利用できるのみな
らず、この電気エネルギをバッテリ充電のための補助手
段として使用することによって、従来からの充電装置の
小容量化を図ることができ、従って、この小容量化に伴
ってエンジン負荷の軽減や燃費の改善を図り得るという
二次的な利点を有している。In this way, not only can the thermal energy of exhaust gas, which was previously released completely wastefully, be effectively used as electrical energy, but also this electrical energy can be used as an auxiliary means for charging the battery, making it possible to This has the secondary advantage of reducing the engine load and improving fuel efficiency as a result of reducing the capacity.
また、従来技術のように装着位置が限定されることもな
く、排気通路内であれば殆どの位置に取付は可能である
。Further, unlike the prior art, the mounting position is not limited, and it can be mounted at almost any position within the exhaust passage.
また、ＤＣ−ＤＣコンバータ６を介挿させていることか
ら安定した高出力が得られ、装備しなければならない熱
電変換素子１０の数を減らすことが可能になり、全体的
には小型化・軽量化を図り得ることとなる。In addition, by inserting the DC-DC converter 6, stable high output can be obtained, and the number of thermoelectric conversion elements 10 that must be installed can be reduced, making the overall size smaller and lighter. As a result, it will be possible to achieve this goal.
更に、逆流防止手段を負荷側に至る最終段に設けている
ことから、発電能力が低い場合であっても負荷側から電
流が逆流するという不都合を回避することができる。Furthermore, since the backflow prevention means is provided at the final stage leading to the load side, it is possible to avoid the inconvenience of current backflowing from the load side even when the power generation capacity is low.
尚、本実施例では熱電変換素子１０を保持部１２に対し
て螺旋状に装備した場合を例示したが、本発明は必ずし
もこれに限定されることなく、例えば第５図の矢印Ａに
示す如く、軸方向に対して平行に装備したり、或いは同
図中の矢印Ｂの如く、軸方向に対して垂直に装備し、取
り付けの簡略化を図ってもよい。Although this embodiment exemplifies the case where the thermoelectric conversion element 10 is spirally mounted on the holding part 12, the present invention is not necessarily limited to this, and for example, as shown by arrow A in FIG. , it may be installed parallel to the axial direction, or it may be installed perpendicular to the axial direction as shown by arrow B in the same figure to simplify the installation.
また、熱電変換素子ＩＯの個々の素子間の接続方法も・
必ずしも全て直列に接続する必要もなく、設計の都合に
応じて並列或いは直並列接続としてもよい。In addition, the connection method between individual elements of the thermoelectric conversion element IO is also
It is not necessarily necessary to connect them all in series, and they may be connected in parallel or in series-parallel depending on the convenience of the design.
また、熱電変換素子１００個々の素子の空間は、断熱性
を有する絶縁物を充填し、冷却管路１２Ａ側と吸熱管路
１２Ｂ側の熱交流を防止し、温度差を確実に確保する構
成としてもよい。In addition, the space of each element of the thermoelectric conversion element 100 is filled with an insulator having heat insulation properties to prevent heat exchange between the cooling pipe line 12A side and the endothermic pipe line 12B side, and to ensure a temperature difference. Good too.
更に、保持部１２としては、筒状の管路１２Ａ。Furthermore, the holding portion 12 is a cylindrical conduit 12A.
１２Ｂで構成した場合を示したが、これは必ずしも筒状
でなくても他の形状２例えば通路断面が角形であっても
よい。また、排気ガスの通路の一部を排気ガスパイプ１
６の径と異なった径或いはスペースを有する形状とし、
排気ガスの熱の脈動を平均化し、これにより熱起電力の
脈動を減少させるとしてもよい。12B is shown, but this does not necessarily have to be cylindrical, and may have another shape, for example, the cross section of the passage may be rectangular. In addition, a part of the exhaust gas passage is connected to exhaust gas pipe 1.
The shape has a diameter or space different from the diameter of 6,
The heat pulsations of the exhaust gas may be averaged, thereby reducing the thermoelectromotive force pulsations.
また、上記実施例では、冷却管路１２Ａおよび吸熱管路
１２Ｂを各々ファインセラミックスを使用する場合を例
示したが、本発明は必ずしもこれに限定されず、例えば
これら各管路を、熱伝導率が良好な鉄やアルミニューム
等の金属で形成するとともに前記熱電変換素子１０の装
備に際ルではファインセラミックス板を介して当該各管
路相互間に固着する構成としてもよい。Further, in the above embodiment, the cooling pipe line 12A and the heat absorption pipe line 12B are each made of fine ceramics, but the present invention is not necessarily limited to this. It may be made of a good metal such as iron or aluminum, and when the thermoelectric conversion element 10 is installed, it may be fixed between each of the pipes through a fine ceramic plate.
また、前記吸熱管路１２Ｂの排気ガスの通路面には、当
該排気ガスの流れに沿って複数の長溝を形成し、これに
よって吸熱管路１２Ｂの吸熱作用を向上せしめる構成と
してもよい。Further, a plurality of long grooves may be formed along the flow of the exhaust gas on the exhaust gas passage surface of the heat absorption pipe 12B, thereby improving the heat absorption effect of the heat absorption pipe 12B.
更に、本発明は自動車からの排気ガスのみならず必要に
応じて、例えば工場の炉等からの排気ガスに対して適用
してもよい。Furthermore, the present invention may be applied not only to exhaust gas from automobiles, but also to exhaust gas from, for example, factory furnaces, if necessary.
以上のように、本発明では、保持部を構成する管路を熱
電変換素子を介して二重構成としたことから、排気ガス
通路であれば殆どの位置に容易に取付は可能であると伴
に、ＤＣ−ＤＣコンバータの装備によって安定した高出
力が得られ、また逆流防止手段の作用によって起電力が
変化した場合であっても負荷側からの逆流を阻止し、充
分高い電力の場合にのみ電源として駆動するという優れ
た排気熱発電装置を提供することができる。As described above, in the present invention, since the pipe constituting the holding part has a double structure via the thermoelectric conversion element, it can be easily installed in almost any position in the exhaust gas passage. In addition, by equipping the DC-DC converter, stable high output can be obtained, and even if the electromotive force changes, the backflow from the load side is prevented by the action of the backflow prevention means, and only when the power is sufficiently high. It is possible to provide an excellent exhaust heat power generation device that is driven as a power source.
第１図は本発明の一実施例に係るブロック化した構成図
、第２図は第１図の熱電変換部を示す斜視図、第３図は
第２図を一部切除した断面図、第４図は熱電変換素子の
配列を示す説明図、第５図は熱電変換素子の他の巻装例
の示す説明図である。
２−−−−−−一排気熱発電装置、６−・−−−−−Ｄ
Ｃ−Ｄ Ｃコンバータ、８−−−−−一逆流防止手段
としてのダイオード、１０−・−熱電変換素子、１２・
・・・・・−保持部、１２Ａ−・−・冷却部材としての
冷却管路、１２Ｂ・・・−・−吸熱部材としての吸熱管
路、Ｅ−−−−−・−排気ガスの流れ。
第２図
μＬ
第３図FIG. 1 is a block configuration diagram according to an embodiment of the present invention, FIG. 2 is a perspective view showing the thermoelectric conversion section of FIG. 1, FIG. 3 is a sectional view of FIG. FIG. 4 is an explanatory diagram showing an arrangement of thermoelectric conversion elements, and FIG. 5 is an explanatory diagram showing another example of winding of thermoelectric conversion elements. 2-------One exhaust thermal power generation device, 6-・----D
C-DC converter, 8-- diode as backflow prevention means, 10--thermoelectric conversion element, 12--
...-Holding section, 12A-- Cooling pipe line as a cooling member, 12B...- Endothermic pipe line as a heat-absorbing member, E-- Exhaust gas flow. Figure 2 μL Figure 3
Claims (4)
る熱電変換素子と、この熱電変換素子を前記排気ガスの
流路の側壁に保持する保持部とを備えた排気熱発電装置
において、 前記保持部を、前記排気ガス側に位置せしめる吸熱部材
と、この吸熱部材の外側に所定間隔をおいて配設した冷
却部材とにより形成し、 この冷却部材と前記吸熱部材との間に前記熱変換素子を
装備したことを特徴とする排気熱発電装置。(1) An exhaust gas thermoelectric power generation device comprising a thermoelectric conversion element that converts thermal energy of exhaust gas into electrical energy, and a holding section that holds the thermoelectric conversion element on a side wall of the exhaust gas flow path, a heat absorbing member located on the exhaust gas side and a cooling member disposed at a predetermined interval on the outside of the heat absorbing member, and the heat conversion element is disposed between the cooling member and the heat absorbing member. An exhaust heat power generation device characterized by being equipped with.
る熱電変換素子と、この熱電変換素子を前記排気ガスの
流路の側壁に保持する保持部とを備えた排気熱発電装置
において、 前記保持部を、前記排気ガス側に位置せしめる吸熱部材
と、この吸熱部材の外側に所定間隔をおいて配設した冷
却部材とにより形成し、 この冷却部材と前記吸熱部材との間に前記熱変換素子を
装備し、 前記熱電変換素子の出力側に該熱電変換素子の出力電圧
を昇圧し平滑化せしめるＤＣ−ＤＣコンバータを備えた
ことを特徴とする排気熱発電装置。(2) In an exhaust gas thermal power generation device comprising a thermoelectric conversion element that converts thermal energy of exhaust gas into electrical energy, and a holding part that holds this thermoelectric conversion element on a side wall of the exhaust gas flow path, the holding part a heat absorbing member located on the exhaust gas side and a cooling member disposed at a predetermined interval on the outside of the heat absorbing member, and the heat conversion element is disposed between the cooling member and the heat absorbing member. An exhaust heat power generation device comprising: a DC-DC converter on the output side of the thermoelectric conversion element for boosting and smoothing the output voltage of the thermoelectric conversion element.
る熱電変換素子と、この熱電変換素子を前記排気ガスの
流路の側壁に保持する保持部とを備えた排気熱発電装置
において、 前記保持部を、前記排気ガス側に位置せしめる吸熱部材
と、この吸熱部材の外側に所定間隔をおいて配設した冷
却部材とにより形成し、 この冷却部材と前記吸熱部材との間に前記熱変換素子を
装備し、 前記熱電変換素子の出力側に該熱電変換素子の出力電圧
を昇圧し平滑化せしめるＤＣ−ＤＣコンバータと、この
ＤＣ−ＤＣコンバータの出力を負荷方向のみへ通電せし
める逆流防止手段とを装備したことを特徴とする排気熱
発電装置。(3) In an exhaust gas thermal power generation device comprising a thermoelectric conversion element that converts thermal energy of exhaust gas into electrical energy, and a holding part that holds the thermoelectric conversion element on a side wall of the exhaust gas flow path, the holding part a heat absorbing member located on the exhaust gas side and a cooling member disposed at a predetermined interval on the outside of the heat absorbing member, and the heat conversion element is disposed between the cooling member and the heat absorbing member. and a DC-DC converter for boosting and smoothing the output voltage of the thermoelectric conversion element on the output side of the thermoelectric conversion element, and a backflow prevention means for energizing the output of the DC-DC converter only in the load direction. An exhaust heat power generation device characterized by being equipped with it.
、熱伝導性及び電気絶縁性を有する部材で形成されてい
ることを特徴とする特許請求の範囲第１項、第２項又は
第３項記載の排気熱発電装置。(4) The heat absorbing member and the cooling member forming the holding portion are formed of a member having thermal conductivity and electrical insulation properties. The exhaust heat power generation device according to item 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60093385A JPS61254082A (en) | 1985-04-30 | 1985-04-30 | Power generator utilizing exhaust heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60093385A JPS61254082A (en) | 1985-04-30 | 1985-04-30 | Power generator utilizing exhaust heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61254082A true JPS61254082A (en) | 1986-11-11 |
Family
ID=14080841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60093385A Pending JPS61254082A (en) | 1985-04-30 | 1985-04-30 | Power generator utilizing exhaust heat |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61254082A (en) |
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS622388U (en) * | 1985-06-07 | 1987-01-08 | ||
| JPH02119589A (en) * | 1988-10-26 | 1990-05-07 | Toto Ltd | Power unit |
| JPH0370483A (en) * | 1989-08-04 | 1991-03-26 | Japan Atom Power Co Ltd:The | High heat resistance type thermoelectric generation set |
| JPH03155376A (en) * | 1989-11-09 | 1991-07-03 | Japan Atom Power Co Ltd:The | Thermoelectric generating element |
| JPH0936439A (en) * | 1995-07-24 | 1997-02-07 | Agency Of Ind Science & Technol | Thermoelectric power generation module |
| WO1999019979A1 (en) * | 1997-10-14 | 1999-04-22 | Seiko Instruments Inc. | Power generating block provided with thermoelectric generation unit |
| WO1999044103A1 (en) * | 1998-02-27 | 1999-09-02 | Seiko Instruments Inc. | Power generation device and electronic timepiece using the device |
| JP2000035825A (en) * | 1998-07-17 | 2000-02-02 | Honda Motor Co Ltd | Power generator for vehicle |
| KR20000056028A (en) * | 1999-02-12 | 2000-09-15 | 음국배 | Self generator using thermoelectric semiconductor and its controlling method in electric-automobile |
| US6172427B1 (en) | 1997-02-13 | 2001-01-09 | Nissan Motor Co., Ltd. | Electric energy supply system for vehicle |
| KR100386472B1 (en) * | 2000-11-16 | 2003-06-02 | 한국에너지기술연구원 | Thermoelectric Generation System for Automobile Exhaust Heat Recovery |
| KR100452909B1 (en) * | 2001-12-29 | 2004-10-14 | 한국동서발전(주) | Apparatus for generating thermoelectric semiconductor using of exhaust gas heat |
| US6894215B2 (en) | 2002-01-25 | 2005-05-17 | Komatsu Ltd. | Thermoelectric module |
| WO2005098225A1 (en) | 2004-04-07 | 2005-10-20 | Toyota Jidosha Kabushiki Kaisha | Exhaust heat recovery power generation device and automobile equipped therewith |
| EP1564822A3 (en) * | 2004-02-17 | 2009-05-20 | Toyota Jidosha Kabushiki Kaisha | Electric power generating apparatus and its control method |
| DE102009033613A1 (en) * | 2009-07-17 | 2011-01-20 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Thermoelectric device with tube bundles |
| US20110146743A1 (en) * | 2009-12-17 | 2011-06-23 | J. Eberspacher GmbH & Co. KG. | Exhaust system with thermoelectric generator |
| JP2012010459A (en) * | 2010-06-23 | 2012-01-12 | Ihi Corp | Exhaust gas utilization generator and power generation system |
| WO2012022684A1 (en) * | 2010-08-18 | 2012-02-23 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Tubular thermoelectric module and method for producing said module |
| JP2012044107A (en) * | 2010-08-23 | 2012-03-01 | Fujitsu Ltd | Thermoelectric conversion device and sensing device |
| JP2013510417A (en) * | 2009-11-03 | 2013-03-21 | ビーエーエスエフ ソシエタス・ヨーロピア | Use of porous metal materials as contact connections for thermoelectric modules |
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| JP2013138554A (en) * | 2011-12-28 | 2013-07-11 | Daihatsu Motor Co Ltd | On-vehicle power generation system |
| JP2013542701A (en) * | 2010-09-09 | 2013-11-21 | エミテック ゲゼルシヤフト フユア エミツシオンステクノロギー ミツト ベシユレンクテル ハフツング | Thermoelectric module for automotive thermoelectric generator with sealing element |
| WO2013170992A1 (en) * | 2012-05-16 | 2013-11-21 | Siemens Aktiengesellschaft | Thermoelectric generator pipe and method for producing the generator pipe |
| JP2015185573A (en) * | 2014-03-20 | 2015-10-22 | 株式会社デンソー | thermoelectric conversion element |
| CN106997921A (en) * | 2016-01-25 | 2017-08-01 | 丰田自动车株式会社 | The TRT of vehicle |
| KR20190097440A (en) * | 2018-02-12 | 2019-08-21 | 한국표준과학연구원 | Multi-multi-array themoeletric generator and its generating system |
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-
1985
- 1985-04-30 JP JP60093385A patent/JPS61254082A/en active Pending
Cited By (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0448150Y2 (en) * | 1985-06-07 | 1992-11-12 | ||
| JPS622388U (en) * | 1985-06-07 | 1987-01-08 | ||
| JPH02119589A (en) * | 1988-10-26 | 1990-05-07 | Toto Ltd | Power unit |
| JPH0370483A (en) * | 1989-08-04 | 1991-03-26 | Japan Atom Power Co Ltd:The | High heat resistance type thermoelectric generation set |
| JPH03155376A (en) * | 1989-11-09 | 1991-07-03 | Japan Atom Power Co Ltd:The | Thermoelectric generating element |
| JPH0936439A (en) * | 1995-07-24 | 1997-02-07 | Agency Of Ind Science & Technol | Thermoelectric power generation module |
| US6172427B1 (en) | 1997-02-13 | 2001-01-09 | Nissan Motor Co., Ltd. | Electric energy supply system for vehicle |
| WO1999019979A1 (en) * | 1997-10-14 | 1999-04-22 | Seiko Instruments Inc. | Power generating block provided with thermoelectric generation unit |
| US6316714B1 (en) * | 1997-10-14 | 2001-11-13 | Seiko Instruments Inc. | Power generating block provided with thermoelectric generation unit |
| WO1999044103A1 (en) * | 1998-02-27 | 1999-09-02 | Seiko Instruments Inc. | Power generation device and electronic timepiece using the device |
| JP2000035825A (en) * | 1998-07-17 | 2000-02-02 | Honda Motor Co Ltd | Power generator for vehicle |
| KR20000056028A (en) * | 1999-02-12 | 2000-09-15 | 음국배 | Self generator using thermoelectric semiconductor and its controlling method in electric-automobile |
| KR100386472B1 (en) * | 2000-11-16 | 2003-06-02 | 한국에너지기술연구원 | Thermoelectric Generation System for Automobile Exhaust Heat Recovery |
| KR100452909B1 (en) * | 2001-12-29 | 2004-10-14 | 한국동서발전(주) | Apparatus for generating thermoelectric semiconductor using of exhaust gas heat |
| US6894215B2 (en) | 2002-01-25 | 2005-05-17 | Komatsu Ltd. | Thermoelectric module |
| EP1564822A3 (en) * | 2004-02-17 | 2009-05-20 | Toyota Jidosha Kabushiki Kaisha | Electric power generating apparatus and its control method |
| US7667132B2 (en) | 2004-02-17 | 2010-02-23 | Toyota Jidosha Kabushiki Kaisha | Electric power generating apparatus and control method for electric power generating apparatus |
| WO2005098225A1 (en) | 2004-04-07 | 2005-10-20 | Toyota Jidosha Kabushiki Kaisha | Exhaust heat recovery power generation device and automobile equipped therewith |
| DE102009033613A1 (en) * | 2009-07-17 | 2011-01-20 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Thermoelectric device with tube bundles |
| JP2013510417A (en) * | 2009-11-03 | 2013-03-21 | ビーエーエスエフ ソシエタス・ヨーロピア | Use of porous metal materials as contact connections for thermoelectric modules |
| US9716217B2 (en) * | 2009-12-17 | 2017-07-25 | Eberspaecher Exhaust Technology Gmbh & Co. Kg | Exhaust system with thermoelectric generator |
| US20110146743A1 (en) * | 2009-12-17 | 2011-06-23 | J. Eberspacher GmbH & Co. KG. | Exhaust system with thermoelectric generator |
| JP2012010459A (en) * | 2010-06-23 | 2012-01-12 | Ihi Corp | Exhaust gas utilization generator and power generation system |
| WO2012022684A1 (en) * | 2010-08-18 | 2012-02-23 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Tubular thermoelectric module and method for producing said module |
| JP2013539214A (en) * | 2010-08-18 | 2013-10-17 | エミテック ゲゼルシヤフト フユア エミツシオンステクノロギー ミツト ベシユレンクテル ハフツング | Tubular thermoelectric module and method for manufacturing said module |
| US9484518B2 (en) | 2010-08-18 | 2016-11-01 | Emitec Gesellschaft Fuer Emissionstechnologie Mbh | Tubular thermoelectric module and method for producing the module |
| JP2012044107A (en) * | 2010-08-23 | 2012-03-01 | Fujitsu Ltd | Thermoelectric conversion device and sensing device |
| JP2013542701A (en) * | 2010-09-09 | 2013-11-21 | エミテック ゲゼルシヤフト フユア エミツシオンステクノロギー ミツト ベシユレンクテル ハフツング | Thermoelectric module for automotive thermoelectric generator with sealing element |
| JP2013126370A (en) * | 2011-12-15 | 2013-06-24 | Hyundai Motor Co Ltd | Thermoelectric generation machine for vehicle |
| JP2013138554A (en) * | 2011-12-28 | 2013-07-11 | Daihatsu Motor Co Ltd | On-vehicle power generation system |
| WO2013170992A1 (en) * | 2012-05-16 | 2013-11-21 | Siemens Aktiengesellschaft | Thermoelectric generator pipe and method for producing the generator pipe |
| JP2015185573A (en) * | 2014-03-20 | 2015-10-22 | 株式会社デンソー | thermoelectric conversion element |
| CN106997921A (en) * | 2016-01-25 | 2017-08-01 | 丰田自动车株式会社 | The TRT of vehicle |
| JP2017135152A (en) * | 2016-01-25 | 2017-08-03 | トヨタ自動車株式会社 | Power generator for vehicle |
| KR20190097440A (en) * | 2018-02-12 | 2019-08-21 | 한국표준과학연구원 | Multi-multi-array themoeletric generator and its generating system |
| WO2020118835A1 (en) * | 2018-12-12 | 2020-06-18 | 深圳大学 | Thermovoltaic power generation device based on waste heat power generation |
| EP3933946A1 (en) * | 2020-07-01 | 2022-01-05 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Method for manufacturing a thermoelectric module and thermoelectric module as a press band |
| WO2022002644A1 (en) * | 2020-07-01 | 2022-01-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Method for producing a thermoelectric module, and thermoelectric module as interference fit assembly |
| WO2022069292A1 (en) * | 2020-10-01 | 2022-04-07 | Vitesco Technologies GmbH | Heat exchanger having thermoelectric generator |
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