JPS5948313B2 - solid phase heat engine - Google Patents
solid phase heat engineInfo
- Publication number
- JPS5948313B2 JPS5948313B2 JP56172886A JP17288681A JPS5948313B2 JP S5948313 B2 JPS5948313 B2 JP S5948313B2 JP 56172886 A JP56172886 A JP 56172886A JP 17288681 A JP17288681 A JP 17288681A JP S5948313 B2 JPS5948313 B2 JP S5948313B2
- Authority
- JP
- Japan
- Prior art keywords
- shape memory
- rotating shaft
- memory alloy
- alloy
- phase heat
- 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.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
- F03G7/061—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element
- F03G7/0614—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element using shape memory elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
- F03G7/063—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the mechanic interaction
- F03G7/0633—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the mechanic interaction performing a rotary movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
- F03G7/064—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by its use
- F03G7/0641—Motors; Energy harvesting or waste energy recovery
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Position Or Direction (AREA)
- Transmission Devices (AREA)
Description
【発明の詳細な説明】
本発明は、形状記憶合金を利用した同相ヒートエンジン
（口開する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an in-phase heat engine that utilizes a shape memory alloy.
従来の一般的なヒートエンジンにおいては、熱エネルギ
から力学的なエネルギへの変換に、気体または液体の作
動物質を利用しているため、構造が複雑になり、ある程
度以上の小型化および軽量化は不可能であるという欠点
があった。Conventional general heat engines use gas or liquid working substances to convert thermal energy into mechanical energy, resulting in a complex structure and difficulty in reducing size and weight beyond a certain point. The drawback was that it was impossible.
また、従来、形状記憶合金を利用した同相ヒートエンジ
ンも幾つか提案されているが、一般に良質の製品を製造
することが困難な板状の形状記憶合金を使用しなければ
ならなかったり、形状記憶合金の使用量が多く、かつ構
造が複雑で、コストが高くなったり、形状記憶合金を加
熱する方法の中で最も制御の容易な直接通電加熱が不可
能であったりするという欠点があった。In addition, several in-phase heat engines using shape memory alloys have been proposed, but they generally require the use of plate-shaped shape memory alloys, which are difficult to manufacture into high-quality products, or The disadvantages are that a large amount of alloy is used, the structure is complicated, the cost is high, and direct current heating, which is the easiest to control among the methods for heating shape memory alloys, is not possible.
本発明は、前記従来の欠点を解消するべくなされたもの
で、製造が容易な線状の形状記憶合金を使用でき、形状
記憶合金の使用量が少なく、構造が極めて簡単で、小型
化および軽量化が容易であり、かつ形状記憶合金を直接
通電加熱して駆動することができる固相ヒーＩ・エンジ
ンを提供することを目自勺とする。The present invention was made to solve the above-mentioned conventional drawbacks, and it is possible to use a linear shape memory alloy that is easy to manufacture, uses a small amount of shape memory alloy, has an extremely simple structure, and is compact and lightweight. It is an object of the present invention to provide a solid phase heat engine that is easy to manufacture and that can be driven by directly heating a shape memory alloy with electricity.
以下、本発明を図面に示す実施例に基づいて説明する。Hereinafter, the present invention will be explained based on embodiments shown in the drawings.
第１ないし４図は本発明の一実施例を示し、図示しない
エンジン本体には、軸受け１ （第４図にのみ図示）を
介して同転軸２が回転自在に支持されてお・す、この回
転軸２には、アーム３の一端が固定されている。1 to 4 show an embodiment of the present invention, in which a rotary shaft 2 is rotatably supported in an engine body (not shown) via a bearing 1 (shown only in FIG. 4). One end of an arm 3 is fixed to this rotating shaft 2.
そして、前記アーム３の他端には、回転軸２から偏心し
て偏心軸４が取り付けられている。An eccentric shaft 4 is attached to the other end of the arm 3 eccentrically from the rotating shaft 2.
前記本体には、前記回転軸２から等距離、かつ回転軸２
を中心として１２０度間隔に、周囲側軸５ａ。The main body has a space equidistant from the rotation axis 2 and a distance from the rotation axis 2.
The peripheral axis 5a is spaced at 120 degree intervals around .
５ｂ、５ｃが取り付けられている。5b and 5c are attached.
前記偏心軸４には、線状の形状記憶合金６ａ、６ｂ、６
ｅの一端がそれぞれ軸受け７ａ、７ｂ、７ｃを介して回
転自在に支持されている。The eccentric shaft 4 is provided with linear shape memory alloys 6a, 6b, 6.
One end of e is rotatably supported via bearings 7a, 7b, and 7c, respectively.
これらの形状記憶合金６ａ、６ｂ、６ｃの他端は、それ
ぞれ軸受８ａ。The other ends of these shape memory alloys 6a, 6b, and 6c are bearings 8a, respectively.
８ｂ、８ｃを介して前記周囲側軸５ａ、５ｂ、５ｃに同
転自在に支持されている。It is rotatably supported by the peripheral shafts 5a, 5b, and 5c via shafts 8b and 8c.
前記形状記憶合金６ａ、６ｂ、６ｃは、形状記憶合金の
一つであるＴｉ−Ｎｉ合金から構成されるおり、所定の
記憶処理によって真直な状態を記憶させられた上、上述
のように偏心軸４と周囲側軸５ａ、５ｂ、５ｃとの間に
それぞれ介在されることにより、円弧状に変形されてい
る。The shape memory alloys 6a, 6b, and 6c are made of a Ti-Ni alloy, which is one of shape memory alloys, and are made to memorize a straight state by a predetermined memory treatment, and also have eccentric shafts as described above. 4 and the circumferential shafts 5a, 5b, and 5c, respectively, and are deformed into an arcuate shape.
また、前記形状記憶合金６ａ、６ｂ、６ｃには、図示し
ない通電手段により、それぞれ軸受け７ａと６ａ、７ｂ
と８ｂ、７ｃと８ｃを介して順番に通電されるようにな
っている。Further, the shape memory alloys 6a, 6b, and 6c are connected to bearings 7a, 6a, and 7b, respectively, by a current supply means (not shown).
8b, 7c, and 8c.
次に、本実施例の動作を説明する。Next, the operation of this embodiment will be explained.
まず最初に、偏心軸４が第１図の位置にあるとき、すな
わち形状記憶合金６ｃが真直な状態に近い状態にあり、
他の形状記憶合金６ａ、６ｂは大きく湾曲している状態
において、前記通電手段により形状記憶合金６ａに通電
が行われ、ジュール熱により該合金６ａが所定温度以上
に加熱される。First, when the eccentric shaft 4 is in the position shown in FIG. 1, that is, the shape memory alloy 6c is in a nearly straight state,
While the other shape memory alloys 6a and 6b are in a largely curved state, the shape memory alloy 6a is energized by the current supply means, and the alloy 6a is heated to a predetermined temperature or higher by Joule heat.
すると、該合金６ａは、前記記憶させられた真直な状態
に復帰しようとするので、第２図のように延びて偏心軸
４を図上矢印Ｐ方向に回転させる。Then, the alloy 6a tries to return to the memorized straight state, so it extends as shown in FIG. 2 and rotates the eccentric shaft 4 in the direction of arrow P in the figure.
また、これにより、それまで延びていた形状記憶合金６
０は、大きく湾曲される。In addition, as a result, the shape memory alloy 6 that had been extended until then
0 is highly curved.
次に、前記通電手段により、今度は形状記憶合金６ｂに
通電が行われ、該合金６ｂが所定温度以上に加熱される
。Next, the shape memory alloy 6b is energized by the energizing means, and the alloy 6b is heated to a predetermined temperature or higher.
これにより、今度は、該合金６ｂが真直な形状に復帰し
ようとして第３図のように延び、偏心軸４をさらに矢印
Ｐ方向に回転させる。As a result, the alloy 6b attempts to return to its straight shape and extends as shown in FIG. 3, causing the eccentric shaft 4 to further rotate in the direction of arrow P.
また、これとともに、それまで延びていた形状記憶合金
６ａは大きく湾曲される。At the same time, the shape memory alloy 6a that had been extended until then is greatly curved.
続いて前記通電手段により、今度は形状記憶合金６０に
通電が行われ、該合金６ｃが所定温度以上に加熱される
。Subsequently, current is applied to the shape memory alloy 60 by the energizing means, and the alloy 6c is heated to a predetermined temperature or higher.
これにより、今度は形状記憶合金６０が前記第１図のよ
うに延び、偏心軸４をさらに矢印Ｐ方向に回転させる。As a result, the shape memory alloy 60 now extends as shown in FIG. 1, and the eccentric shaft 4 is further rotated in the direction of arrow P.
また、これとともに、それまで延びていた形状記憶合金
６ｂは再び大きく湾曲される。At the same time, the shape memory alloy 6b that had been extended until then is greatly curved again.
以下同様にして前記通電手段により、形状記憶合金６ａ
、６ｂ、６ｃに順番に通電がなされることにより、前述
のサイクルが繰り返し行われ、偏心軸４、ひいではこの
偏心軸４にアーム３を介して結合されている回転軸２が
矢印Ｐ方向に連続して回転される。Thereafter, in the same manner, the shape memory alloy 6a is
, 6b, and 6c are sequentially energized, the above-mentioned cycle is repeated, and the eccentric shaft 4, and by extension the rotary shaft 2 connected to the eccentric shaft 4 via the arm 3, move in the direction of arrow P. rotated continuously.
なお、前記実施例では、形状記憶合金に真直な状態を記
憶させているが、形状記憶合金に曲った形状を記憶させ
ることにより、回転軸を回転させることもできる。In the above embodiments, the shape memory alloy is made to memorize a straight state, but the rotating shaft can also be rotated by making the shape memory alloy memorize a curved shape.
また、本発明における線状の形状記憶合金としては、必
ずしも前記実施例のような単純な非コイル状のものに限
られず、例えば、収縮した状態または伸張した状態を記
憶させられたコイル状の形状記憶合金の両端を偏心支点
と周囲側支点とにそれぞれ回転自在に支持させても、前
記実施例と同様の効果を得ることができる。Furthermore, the linear shape memory alloy according to the present invention is not necessarily limited to a simple non-coiled shape as in the above embodiments, but, for example, a coiled shape that is memorized in a contracted state or an expanded state. Even if both ends of the memory alloy are rotatably supported by the eccentric fulcrum and the peripheral fulcrum, the same effect as in the embodiment described above can be obtained.
また、前記実施例では、形状記憶合金にＴｉ −Ｎｉ合
金を使用しているが、本発明における形状記憶合金とし
ては、その他、Ｃｕ−Ｚｎ、 Ｃｕ−Ｚｎ −ＡＩ
Ｃｕ−Ｚｎ−Ｇａ、 Ｃｕ−Ｚｎ−８ｎ Ｃｕ−Ｚｎ
−８ｉＣｕ −ＡＩ −Ｎｉ、 Ｃｕ−Ａｕ−Ｚｎ、
Ｃｕ−８ｎ、 Ａｕ−Ｃｄ。Further, in the above embodiment, a Ti-Ni alloy is used as the shape memory alloy, but the shape memory alloy in the present invention may also include Cu-Zn, Cu-Zn-AI
Cu-Zn-Ga, Cu-Zn-8n Cu-Zn
-8iCu-AI-Ni, Cu-Au-Zn,
Cu-8n, Au-Cd.
Ａｇ−Ｃｄ、 Ｎｉ −Ｔｉ −Ｘ （Ｘは第三元素）
、Ｎｉ−Ａ１゜Ｆｅ−Ｐｔ等の種々の形状記憶合金が使
用可能なことは言うまでもない。Ag-Cd, Ni-Ti-X (X is the third element)
It goes without saying that various shape memory alloys such as Ni-A1°Fe-Pt can be used.
以上のように本発明による同相ヒートエンジンは、 （イ）製造が容易な線状の形状記憶合金を使用できる。As described above, the in-phase heat engine according to the present invention has (a) A linear shape memory alloy that is easy to manufacture can be used.
（ロ）線状の形状記憶合金を偏心支点と複数の周囲側支
点との間に介在させるのみなので、形状記憶合金の使用
量を少なくすることができる。(b) Since the linear shape memory alloy is only interposed between the eccentric fulcrum and the plurality of peripheral fulcrums, the amount of shape memory alloy used can be reduced.
（ハ）構造が極めて簡単で、小型化および軽量化が容易
で゛ある。(c) The structure is extremely simple and can be easily reduced in size and weight.
（ニ）形状記憶合金を直接通電加熱で加熱するので、制
御が非常に容易である。(d) Since the shape memory alloy is directly heated by electrical heating, control is very easy.
という優れた効果を得られたものである。This was an excellent effect.
第１ないし３図は本発明による固相ヒートエンジンの一
実施例を、それぞれ異なる回転位置において示す正面図
、第４図は前記実施例を示す側面である。
２・・・・・・回転軸、４・・・・・・偏心軸、５ａ、
５ｂ、５ｃ・・・・・・周囲側軸、６ａ、 ６ｂ、
６ｃ・・・・・・形状記憶合金。1 to 3 are front views showing one embodiment of the solid phase heat engine according to the present invention at different rotational positions, and FIG. 4 is a side view showing the embodiment. 2...Rotating shaft, 4...Eccentric shaft, 5a,
5b, 5c... Surrounding axis, 6a, 6b,
6c...Shape memory alloy.
Claims (1)
で取り付けられた偏心支点と、前記回転軸の周囲に、該
回転軸に対する位置を固定された状態で配置された複数
の周囲側支点と一端を前記偏心支点に、他端を前記各周
囲側支点にそれぞれ同転自在に支持された複数の線状の
形状記憶合金と、これらの複数の形状記憶合金に選択的
に通電する手段とを有してなる固相ヒーＩ・エンジン。1. A rotating shaft, an eccentric fulcrum attached to the same rotating shaft eccentrically with respect to the rotating shaft, and a plurality of eccentric fulcrums arranged around the rotating shaft with their positions fixed relative to the rotating shaft. selectively energizing a plurality of linear shape memory alloys, each of which is rotatably supported at a circumferential fulcrum, one end of which is rotatably supported by the eccentric fulcrum, and the other end of which is rotatably supported by each of the circumferential fulcrums; A solid phase heat I engine comprising means for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56172886A JPS5948313B2 (en) | 1981-10-30 | 1981-10-30 | solid phase heat engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56172886A JPS5948313B2 (en) | 1981-10-30 | 1981-10-30 | solid phase heat engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5874878A JPS5874878A (en) | 1983-05-06 |
| JPS5948313B2 true JPS5948313B2 (en) | 1984-11-26 |
Family
ID=15950140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56172886A Expired JPS5948313B2 (en) | 1981-10-30 | 1981-10-30 | solid phase heat engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5948313B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62204506U (en) * | 1986-06-17 | 1987-12-26 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6181791U (en) * | 1984-10-31 | 1986-05-30 | ||
| WO2022037767A1 (en) * | 2020-08-19 | 2022-02-24 | Huawei Technologies Co., Ltd. | A shape memory alloy based rotary actuator |
-
1981
- 1981-10-30 JP JP56172886A patent/JPS5948313B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62204506U (en) * | 1986-06-17 | 1987-12-26 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5874878A (en) | 1983-05-06 |
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