JPS5910789A - Actuator which comprises shape memorizy alloy - Google Patents
Actuator which comprises shape memorizy alloyInfo
- Publication number
- JPS5910789A JPS5910789A JP11908982A JP11908982A JPS5910789A JP S5910789 A JPS5910789 A JP S5910789A JP 11908982 A JP11908982 A JP 11908982A JP 11908982 A JP11908982 A JP 11908982A JP S5910789 A JPS5910789 A JP S5910789A
- Authority
- JP
- Japan
- Prior art keywords
- shape
- memory alloy
- shape memory
- alloy
- change
- 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
-
- 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
- F03G7/065—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 using a shape memory element
Abstract
Description
【発明の詳細な説明】
本発明はバルブ、自動ドア、ロボット等に使用するアク
チュエータに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to actuators used in valves, automatic doors, robots, etc.
本発明の従来技術としては、形状記憶合金を発熱体とし
て、電圧又はパルスのコントロールにより形状記憶合金
全体を加熱し、形状記憶合金の形状変化ににる機械エネ
ルギーを得るアクチュエータがある。上記構造のもので
は、形状記憶合金全体を加熱するため、形状記憶合金の
形状変化量を微少コントロールすることができない。As a conventional technique for the present invention, there is an actuator that uses a shape memory alloy as a heating element and heats the entire shape memory alloy by controlling voltage or pulses to obtain mechanical energy due to shape change of the shape memory alloy. In the structure described above, since the entire shape memory alloy is heated, it is not possible to minutely control the amount of shape change of the shape memory alloy.
本発明は、形状記憶合金の形状変化量を微少コントロー
ルすることを技術的課題とする。The technical objective of the present invention is to minutely control the amount of shape change of a shape memory alloy.
本発明は次の様な構成からなる。形状記憶合金に加熱領
域を可変する発熱体を取り付ける。当該熱エネルギーに
より形状記憶合金の形状変化による機械エネルギーを得
る。次に上記構成の作用を説明する。形状記憶合金の加
熱領域を可変づるので、加熱部分だけが形状変化する。The present invention consists of the following configuration. A heating element that changes the heating area is attached to the shape memory alloy. Using the thermal energy, mechanical energy is obtained by changing the shape of the shape memory alloy. Next, the operation of the above configuration will be explained. Since the heating region of the shape memory alloy is variable, only the heated portion changes shape.
つまり、加熱領域を大きくすれば形状記憶合金の形状変
化量は大きく、加熱領域を小さくすれば、形状記憶合金
の形状変化量は小さくな、る。従って、形状記憶合金の
形状変化量を微少コントロールできる。In other words, if the heating area is made larger, the amount of shape change of the shape memory alloy will be larger, and if the heating area is made smaller, the amount of shape change of the shape memory alloy will be smaller. Therefore, the amount of shape change of the shape memory alloy can be minutely controlled.
次に本発明を第１図の実施例に基づいて説明する。形状
記憶合金１に円筒状サーモ・モジュール２．３．’４を
取り付【プ、サーモ・モジュール２゜３．４に電流を流
し、サーモ・モジュール２，３゜４の加熱冷却による熱
エネルギーで形状記憶合金１を形状変化さけ、形状記憶
合金１の先端に取り（ｔ ｌ：Ｊたフック５により機械
工ネル、ギーを１りる。ここで、勺−モ・モジュールと
は、熱雷性能の大きいＮ型・Ｐ型半導体素子を金属片で
交互に電気的に直列に熱的に並列に接続したものであり
、この回路に電流を流づと電流の方向によって接合部で
加熱又は冷ムＩＪの現象があられれる。例えば、サーモ
・モージコールまたけに電流を流し加熱すると、形状記
憶合金１のサーモ・モジコール２で包まれた部分だけが
形状変！化し伸びる。逆に冷Ｎ１方向に電流を流すと形
状記憶合金１は元にもどる。次にサーモ・モジュール２
，３に電流を流すと、形状記憶合金１の勺−モ・モジュ
ール２．３で包まれた部分が形状変化する。サーモ・モ
ジュール２゜３．４に電流を流した場合は、形状記憶合
金１全体が形状変化する。６，７．８はサーモ・モジュ
ールへの電流の方向を切り換えるためのスイッチである
。上記実施例の作用を説明する。サーモ・モジ１−ル２
，３，４により形状記憶合金１の加熱領域を変えること
ができるので、形状記憶合金１の形状変化量を微少コン
ミルロールできる。また、サーモ・モジュール２，３．
４への電流の方向により加熱又は冷却（でるので、形状
記憶合金１の形状変化をすばやく行える。Next, the present invention will be explained based on the embodiment shown in FIG. Shape memory alloy 1 with cylindrical thermomodule 2.3. 4 is installed, a current is applied to the thermo module 2゜3.4, and the thermal energy generated by heating and cooling of the thermo modules 2 and 3゜4 is used to change the shape of the shape memory alloy 1. At the tip (tl:J), use the hook 5 to remove the mechanical energy and energy.Here, the module is made by alternating N-type and P-type semiconductor elements with high thermal lightning performance with metal pieces. The circuit is connected electrically in series and thermally in parallel, and when a current is passed through this circuit, the phenomenon of heating or cooling occurs at the junction depending on the direction of the current.For example, thermo-modicol straddle When a current is applied to and heated, only the part of the shape memory alloy 1 surrounded by the thermo-modicoll 2 changes shape and stretches.On the other hand, when a current is applied in the cold N1 direction, the shape memory alloy 1 returns to its original state.Next. Thermo module 2
, 3, the shape of the portion of the shape memory alloy 1 surrounded by the module 2.3 changes. When a current is passed through the thermo module 2°3.4, the shape of the entire shape memory alloy 1 changes. 6, 7.8 are switches for switching the direction of current to the thermo module. The operation of the above embodiment will be explained. Thermo module 1-2
, 3, and 4, the heating area of the shape memory alloy 1 can be changed, so that the amount of shape change of the shape memory alloy 1 can be controlled by a micro-conmill roll. In addition, thermo modules 2, 3.
Since heating or cooling is performed depending on the direction of the current to the shape memory alloy 1, the shape of the shape memory alloy 1 can be quickly changed.
次に第２図の実施例を説明する。形状記憶合金２１にヒ
ータ２２を取り付け、ヒータ２２の熱エネルギーで形状
記憶合金２１を形状変化させ、形状記憶合金２１の先端
に取り付けたノック２３で機械エネルギーを得る。ヒー
タ２２は形状記憶合金２１の加熱領域を可変Ｃきる様モ
ータ等（図示せず）により形状記憶合金２１にそって上
下に移動する。従ってヒータ２２の移動により形状記憶
合金２１への加熱領域を変化させ形状記憶合金２１の形
状変化量を微少コントロール覆る。Next, the embodiment shown in FIG. 2 will be explained. A heater 22 is attached to the shape memory alloy 21, the shape memory alloy 21 is changed in shape by the thermal energy of the heater 22, and mechanical energy is obtained by a knock 23 attached to the tip of the shape memory alloy 21. The heater 22 is moved up and down along the shape memory alloy 21 by a motor or the like (not shown) so that the heating area of the shape memory alloy 21 can be varied. Therefore, by moving the heater 22, the heating area for the shape memory alloy 21 is changed, and the amount of shape change of the shape memory alloy 21 is minutely controlled.
次に第３図の実施例を説明する。中が空洞の゛形状記憶
合金３１にコイル３２を挿入し、コイル３２をモータ等
（図示せず）により、形状記憶合金３１の中を上下に移
動させ、形状記憶合金３１の加熱領域を変える。コイル
３２の熱エネルギーにより形状記憶合金３１が形状変化
し、形状記憶合金３１の先端に接続したフック３３によ
り機械エネルギーに変換する。従ってコイル３２の移動
により、形状記憶合金３１への加熱領域を変化さＶ、形
状記憶合金３１の形状変化量を微少コントロールできる
。また、形状記憶合金３１の内側に挿入したコーイル３
２により加熱Ｊるので放熱ロスを少インくづることがで
きる。Next, the embodiment shown in FIG. 3 will be explained. A coil 32 is inserted into the hollow shape memory alloy 31, and the coil 32 is moved up and down inside the shape memory alloy 31 by a motor or the like (not shown) to change the heating area of the shape memory alloy 31. The shape memory alloy 31 changes shape due to the thermal energy of the coil 32, and is converted into mechanical energy by the hook 33 connected to the tip of the shape memory alloy 31. Therefore, by moving the coil 32, the heating area of the shape memory alloy 31 can be changed, and the amount of shape change of the shape memory alloy 31 can be minutely controlled. In addition, the coil 3 inserted inside the shape memory alloy 31
2, heat radiation loss can be reduced.
次に第４図の実施例を説明ザる。形状記憶合金４１にコ
イル４２，４３３，４４を巻き、コイル４２．４３．４
４の熱エネルギーで形状記憶合金４１が形状変化し、形
状記憶合金４１の先端に取り付【プたフック４５で態械
エネルギーを得る。スイッチ４６．４７，４８（７）Ｏ
Ｎ、ＯＦＦによＩＪ形状記憶合金４１の加熱領域を変化
さゼる。従ってスイッチ４６，４７．４８（７）ＯＮ、
ＯＦＦにｌる簡単でしかも可動部のない構造で形状記憶
合金４１の加熱領域を変えることにより、形状記憶合金
４１の形状変化量を微少コントロールする。Next, the embodiment shown in FIG. 4 will be explained. Coils 42, 433, 44 are wound around shape memory alloy 41, and coils 42, 43, 4
The shape memory alloy 41 changes its shape with the thermal energy of step 4, and mechanical energy is obtained with the hook 45 attached to the tip of the shape memory alloy 41. Switch 46, 47, 48 (7) O
The heating area of the IJ shape memory alloy 41 is changed by N and OFF. Therefore, switches 46, 47, 48 (7) are ON,
By changing the heating area of the shape memory alloy 41 with a simple structure without moving parts, the amount of shape change of the shape memory alloy 41 is minutely controlled.
次に第５図の実施例を説明する。形状記憶合金５１にコ
イル５２を巻き、コイル５２の熱エネルギーにより形状
記憶合金５１が形状変化し、形状記憶合金５１の先端に
接続したフック５３により機械エネルギーを得る。コイ
ル５２のどの位置にでも通電できるので形状記憶合金５
１の加熱領域を可変でき、形状記憶合金５１の形状変化
量を微少コントロールできる。Next, the embodiment shown in FIG. 5 will be explained. A coil 52 is wound around the shape memory alloy 51, and the shape memory alloy 51 changes its shape due to the thermal energy of the coil 52, and mechanical energy is obtained by the hook 53 connected to the tip of the shape memory alloy 51. Since the coil 52 can be energized at any position, the shape memory alloy 5
1 can be varied, and the amount of shape change of the shape memory alloy 51 can be minutely controlled.
本発明は次の様な特有の効果を奏り”る。加熱領域を可
変するので形状記憶合金の形状変化量を微少コントロー
ルできる。The present invention has the following unique effects.Since the heating region is varied, the amount of shape change of the shape memory alloy can be minutely controlled.
第１図面は本発明の一実施例の斜視面、第２図・第３図
は他の実施例の断面図、第４図・第５図は他の実施例の
斜視図である。
ｊ、２１．３１．４１．５１ ：形状記憶合金、２．３
，４：サーモ・モジュール、 ５．２３゜３３．４５．
５３：フック、 ２２：ヒーター、６，７，８．４６．
４７，４８：スイッチ、３２．４２，４３．４４．５２
：コイル特許出願人1 is a perspective view of one embodiment of the present invention, FIGS. 2 and 3 are sectional views of other embodiments, and FIGS. 4 and 5 are perspective views of other embodiments. j, 21.31.41.51: Shape memory alloy, 2.3
, 4: Thermo module, 5.23°33.45.
53: Hook, 22: Heater, 6, 7, 8.46.
47, 48: Switch, 32.42, 43.44.52
: Coil patent applicant
Claims (1)
、当該発熱体の熱エネルギーにより、形状記憶合金の形
状変化による機械エネルギーを１ｑるアクチュエータ。An actuator that includes a heating element that changes the heating area in a shape memory alloy, and uses the thermal energy of the heating element to generate 1 q of mechanical energy due to shape change of the shape memory alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11908982A JPS5910789A (en) | 1982-07-07 | 1982-07-07 | Actuator which comprises shape memorizy alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11908982A JPS5910789A (en) | 1982-07-07 | 1982-07-07 | Actuator which comprises shape memorizy alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5910789A true JPS5910789A (en) | 1984-01-20 |
Family
ID=14752614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11908982A Pending JPS5910789A (en) | 1982-07-07 | 1982-07-07 | Actuator which comprises shape memorizy alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5910789A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6185079A (en) * | 1984-09-29 | 1986-04-30 | Toshiba Corp | Actuator |
| JPS61138229A (en) * | 1984-12-10 | 1986-06-25 | Yasunori Arai | Optical image projecting device |
| JPS61267198A (en) * | 1985-05-22 | 1986-11-26 | 日本鋼管工事株式会社 | Alarm for abnormality in tunnel |
| JPS6275172A (en) * | 1985-09-27 | 1987-04-07 | クルガンスキイ ナウチノ イスレドヴアテルスキイ インステイテユ−ト エクスペリメンタルノイ イ クリニチエスコイ オルトペデイ イ トラヴマトロギイ | Drive apparatus for compression and extension apparatus |
| JPH01111183U (en) * | 1988-01-18 | 1989-07-26 | ||
| JP2010158579A (en) * | 2010-04-22 | 2010-07-22 | Panasonic Corp | Washing machine |
| WO2018083762A1 (en) * | 2016-11-02 | 2018-05-11 | オリンパス株式会社 | Variable stiffness actuator |
| WO2019043599A1 (en) * | 2017-08-31 | 2019-03-07 | Almatech Sa | Shape memory based actuator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5875486A (en) * | 1981-10-30 | 1983-05-07 | Waseda Daigaku | Electric to dynamic energy converter |
| JPS58165909A (en) * | 1982-03-25 | 1983-10-01 | Makoto Sugaya | Drill provided with fine groove |
-
1982
- 1982-07-07 JP JP11908982A patent/JPS5910789A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5875486A (en) * | 1981-10-30 | 1983-05-07 | Waseda Daigaku | Electric to dynamic energy converter |
| JPS58165909A (en) * | 1982-03-25 | 1983-10-01 | Makoto Sugaya | Drill provided with fine groove |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6185079A (en) * | 1984-09-29 | 1986-04-30 | Toshiba Corp | Actuator |
| JPH0552139B2 (en) * | 1984-09-29 | 1993-08-04 | Tokyo Shibaura Electric Co | |
| JPS61138229A (en) * | 1984-12-10 | 1986-06-25 | Yasunori Arai | Optical image projecting device |
| JPS61267198A (en) * | 1985-05-22 | 1986-11-26 | 日本鋼管工事株式会社 | Alarm for abnormality in tunnel |
| JPS6275172A (en) * | 1985-09-27 | 1987-04-07 | クルガンスキイ ナウチノ イスレドヴアテルスキイ インステイテユ−ト エクスペリメンタルノイ イ クリニチエスコイ オルトペデイ イ トラヴマトロギイ | Drive apparatus for compression and extension apparatus |
| JPH01111183U (en) * | 1988-01-18 | 1989-07-26 | ||
| JP2010158579A (en) * | 2010-04-22 | 2010-07-22 | Panasonic Corp | Washing machine |
| WO2018083762A1 (en) * | 2016-11-02 | 2018-05-11 | オリンパス株式会社 | Variable stiffness actuator |
| JPWO2018083762A1 (en) * | 2016-11-02 | 2019-09-19 | オリンパス株式会社 | Variable stiffness actuator |
| US10859067B2 (en) | 2016-11-02 | 2020-12-08 | Olympus Corporation | Variable stiffness actuator |
| WO2019043599A1 (en) * | 2017-08-31 | 2019-03-07 | Almatech Sa | Shape memory based actuator |
| JP2020532672A (en) * | 2017-08-31 | 2020-11-12 | アルマテック ソシエテ アノニム | Shape memory based actuator |
| US11441548B2 (en) | 2017-08-31 | 2022-09-13 | Almatech Sa | Shape memory based actuator |
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