JPH0932719A - Generation device and method of traveling wave - Google Patents
Generation device and method of traveling waveInfo
- Publication number
- JPH0932719A JPH0932719A JP7186764A JP18676495A JPH0932719A JP H0932719 A JPH0932719 A JP H0932719A JP 7186764 A JP7186764 A JP 7186764A JP 18676495 A JP18676495 A JP 18676495A JP H0932719 A JPH0932719 A JP H0932719A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- line
- alloy
- traveling wave
- shape
- 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
-
- 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
- Y02T70/00—Maritime or waterways transport
- Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
- Y02T70/5218—Less carbon-intensive fuels, e.g. natural gas, biofuels
- Y02T70/5236—Renewable or hybrid-electric solutions
Landscapes
- Toys (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、液体、固体等の物体搬
送等に使用される進行波発生装置、および前記進行波発
生装置における進行波発生方法に関するものであり、搬
送の対象となる物体が液体の場合は、推進装置としても
利用できるものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traveling wave generator used for transporting an object such as a liquid or a solid, and a traveling wave generating method in the traveling wave generator, which is an object to be transported. When is a liquid, it can be used as a propulsion device.
【0002】[0002]
【従来の技術】物体を搬送する機構には数多くの方法が
考えられ、多数実用化されているが、それらの多くは電
動モータや内燃機関を使用して回転の動力を得るもので
あり、さらに、クランクや油圧シリンダ等を使用して往
復の動力を得るものもある。2. Description of the Related Art A number of methods are conceivable and many have been put into practical use as a mechanism for conveying an object, but most of them use an electric motor or an internal combustion engine to obtain rotational power. In some cases, a reciprocating power is obtained by using a crank or a hydraulic cylinder.
【0003】また、形状記憶合金は、その形状記憶効果
を利用して、様々な製品に応用実用化されている。例え
ば、自動乾燥庫の扉、エアコンの風向切替えフラップ、
炊飯ジャーの調節弁、浄水器の熱水遮断パイプ等の温度
センサ兼アクチュエータ等である。また、実用化はされ
ていないものの、ロボットアーム、ジャッキ等のアクチ
ュエータとして提案され、試作されているものもある。Shape memory alloys have been put to practical use in various products by utilizing the shape memory effect. For example, the door of the automatic dryer, the air-direction switching flap of the air conditioner,
It is a temperature sensor and actuator, such as a rice cooker control valve and a hot water shutoff pipe for a water purifier. In addition, although not put into practical use, there are some that have been proposed and prototyped as actuators for robot arms, jacks, and the like.
【0004】[0004]
【発明が解決しようとする課題】物体を搬送する従来の
方法は、何らかの形で回転部分または摺動部分を有して
いるが、これらは、一定の期間で注油や分解清掃等のメ
ンテナンスを必要とし、また、微粉末や腐食性液体等が
発生するような環境の悪い条件下では、微粉末や腐食性
液体等が回転部分や摺動部分に入り込むことがあるた
め、従来の搬送方法では、実施が困難あるいは頻繁なメ
ンテナンスが必要であった。また、従来の搬送方法で
は、振動や騒音の発生等の問題も生じていた。The conventional methods of conveying objects have some form of rotating or sliding portion, but these require maintenance such as lubrication and disassembly cleaning for a certain period of time. In addition, under bad environmental conditions such as generation of fine powder and corrosive liquid, since fine powder and corrosive liquid may enter the rotating part and sliding part, in the conventional transfer method, It was difficult to implement or required frequent maintenance. In addition, the conventional transfer method has problems such as generation of vibration and noise.
【0005】[0005]
【問題を解決するための手段】本発明は、これに鑑み種
々検討の結果、環境の悪い条件下でもメンテナンスの必
要がなく、騒音、振動の発生等の問題の生じることのな
い、形状記憶合金の形状記憶効果を利用した、全く新し
い搬送方法および搬送装置を発明したものである。As a result of various studies in view of the above, the present invention requires no maintenance even under adverse environmental conditions and does not cause problems such as noise and vibration. The present invention invents a completely new transport method and transport device that utilize the shape memory effect of the above.
【0006】即ち、本発明の請求項1は、波形を記憶し
た形状記憶合金の線または条であって、該波形の位相が
2π/n(nは3以上の整数)づつずれており、平行に
配置された複数本の形状記憶合金が、可撓性物質によっ
て同一形状に固定され一体となっており、各位相の線を
位相の順に、加熱、冷却を繰り返す手段を有しているこ
とを特徴とする進行波発生装置である。That is, the first aspect of the present invention is a shape memory alloy line or strip in which a waveform is memorized, wherein the phases of the waveform are shifted by 2π / n (n is an integer of 3 or more) and parallel. A plurality of shape memory alloys arranged in the same shape are fixed to the same shape by a flexible material and are integrated, and a means for repeating heating and cooling of each phase line in the order of phase is provided. It is a characteristic traveling wave generator.
【0007】また、本発明の請求項2は、請求項1記載
の進行波発生装置において、所定の位相の線(A)をマ
ルテンサイト逆変態点温度以上に加熱して、前記可撓性
物質によって固定された一体物全体を前記線(A)が記
憶している波形に変形させ、次に前記線(A)をマルテ
ンサイト逆変態点温度以下に冷却すると共に、線(A)
より位相が2π/nずれた線(B)を加熱する操作を順
次行うことにより、位相が2π/nづつずれた波形を順
次発生させることを特徴とする進行波発生方法である。According to a second aspect of the present invention, in the traveling wave generator according to the first aspect, the line (A) having a predetermined phase is heated to a temperature equal to or higher than the martensite reverse transformation point temperature to produce the flexible material. The whole body fixed by the above is deformed into a waveform memorized by the line (A), and then the line (A) is cooled to a temperature below the reverse transformation point of martensite, and the line (A) is
This is a method of generating a traveling wave characterized in that a waveform having a phase shift of 2π / n is sequentially generated by sequentially performing an operation of heating a line (B) having a phase shift of 2π / n.
【0008】本発明は、形状記憶合金の、マルテンサイ
ト逆変態点(以下Af点と記す)温度以下の環境温度下
では弾性係数が低いために外力によって曲げられるが、
Af点温度以上に加熱されると、弾性係数が高くなり、
外力に打ち勝って記憶形状に回復するという特性を応用
したものである。In the present invention, the shape memory alloy can be bent by an external force because it has a low elastic modulus at an environmental temperature below the martensite reverse transformation point (hereinafter referred to as Af point) temperature of the shape memory alloy.
When heated above the Af point temperature, the elastic modulus increases,
This is an application of the property of overcoming an external force and recovering to a memory shape.
【0009】本発明において、波形を記憶した線または
条状の形状記憶合金を、波形の位相を2π/nづつずら
して複数本並べるわけであるが、仮にnを3とし、位相
が0の波形のグループを、位相が2π/3の波形のグ
ループを、位相が4π/3の波形のグループをと
し、各位相の線を加熱冷却する手段を有する装置を考え
る(図1参照)。前記装置はの位相に合わせて可撓性
物質によって一体に固定され見掛け上は図1(b)に示
す状態ではあるが、元の位相(形状回復時の位相)は図
1(a)に示す位相であるので、、は変形を受けて
いる状態である。ここで、のみをAf点以上の温度に
加熱すると、は2π/3の位相に形状記憶されている
ので、2π/3の位相まで形状回復する。この時、他の
波形およびは可撓性の物質により固定されて一体に
なっているので、の発生力によって変形を受けて全体
がの位相になる。次に、の加熱をやめのみを加熱
すると、同様にして今度は全体が4π/3の位相にな
る。さらに、の加熱をやめのみを加熱すると、同様
にして今度は全体が0の位相になる。これを繰り返すこ
とにより、波形の位相のずれを連続的に起こし進行波が
発生する。In the present invention, a plurality of line-shaped or strip-shaped shape memory alloys in which waveforms are stored are arranged by shifting the phase of the waveforms by 2π / n. Consider a group of waveforms having a phase of 2π / 3 and a group of waveforms having a phase of 4π / 3, and consider a device having means for heating and cooling the lines of each phase (see FIG. 1). The device is integrally fixed by a flexible material according to the phase of and is apparently in the state shown in FIG. 1 (b), but the original phase (phase at the time of shape recovery) is shown in FIG. 1 (a). Since it is a phase, and are in a state of being deformed. Here, when only is heated to a temperature equal to or higher than the Af point, the shape is stored in the phase of 2π / 3, and thus the shape is restored up to the phase of 2π / 3. At this time, since the other corrugations and are fixed by the flexible material and are integrated, they are deformed by the generated force of and become the phase of the whole. Next, when the heating of is stopped and only heating is performed, the entire phase becomes 4π / 3 in the same manner. Further, if only heating is stopped and only heating is performed, the entire phase becomes 0 this time. By repeating this, a phase shift of the waveform is continuously generated and a traveling wave is generated.
【0010】前記進行波発生装置を用いると、物品を搬
送することができる。図5のように棒状体あるいは粒状
体を波形の谷の箇所から出発させると、を加熱して全
体の位相を2π/3だけずらすことにより、初期の出発
点に進行方法へ向かう傾斜が発生し、前記物体が進行方
向に転がる。そして前述のように加熱冷却を繰り返す
と、連続的に傾斜が発生し、前記物品が進行方法に転が
り続ける。The traveling wave generator can be used to convey articles. As shown in Fig. 5, when a rod-shaped body or granular body is started from the corrugated valley, by heating and shifting the entire phase by 2π / 3, an inclination toward the traveling method is generated at the initial starting point. , The object rolls in the direction of travel. Then, when heating and cooling are repeated as described above, an inclination is continuously generated, and the article continues to roll in the traveling method.
【0011】本発明において、形状記憶合金に記憶させ
る波形は、原理的にはどのような波形でもよいが、繰り
返し寿命を考慮し、他の線に追随して変形させるときに
形状記憶合金に加えられる歪をできるだけ小さくするた
めには、正弦波であることが望ましい。In the present invention, the waveform to be memorized in the shape memory alloy may be any waveform in principle, but in consideration of the repeated life, it is added to the shape memory alloy when deformed following other lines. A sinusoidal wave is desirable in order to minimize the generated distortion.
【0012】本発明に用いられる形状記憶合金は、Ni
Ti系、CuZnAl系、CuAlNi系、AuCd系
等多数の合金系が可能であるが、回復力、繰り返し特
性、加工性などの観点からNiTi系合金が好ましい。
NiTi系合金の組成としては、Niが49〜51at
%で残部Tiおよび不可避的不純物からなる合金か、あ
るいは前記Niおよび/またはTiの一部を0.01〜
2at%のFe、Cr、Al、V、Mn、Co、Nb、
0.01〜10at%のCu、0.01〜30at%の
Pdのうち一種以上で置換した合金が挙げられる。前記
組成の合金は、優れた形状記憶特性を示すものである。
本発明に使用される形状記憶合金の好ましい性状として
は、Af点は、本発明装置を空気中で使用する場合は6
0〜80℃であり、水中で使用する場合は40〜80℃
である。また横弾性係数は、Af点以上では1800〜
2500kg/mm2が好ましく、Af点以下では500〜1
000kg/mm2が好ましい。The shape memory alloy used in the present invention is Ni
Many alloy systems such as Ti-based, CuZnAl-based, CuAlNi-based, AuCd-based are possible, but NiTi-based alloys are preferable from the viewpoint of recovery force, repetitive characteristics, workability and the like.
As the composition of the NiTi-based alloy, Ni is 49 to 51 at
%, An alloy consisting of the balance Ti and unavoidable impurities, or a part of the Ni and / or Ti is 0.01 to
2 at% of Fe, Cr, Al, V, Mn, Co, Nb,
An alloy in which 0.01 to 10 at% of Cu and 0.01 to 30 at% of Pd are substituted with one or more kinds can be given. The alloy having the above composition exhibits excellent shape memory characteristics.
As a preferable property of the shape memory alloy used in the present invention, the Af point is 6 when the device of the present invention is used in air.
0 to 80 ° C, 40 to 80 ° C when used in water
It is. Moreover, the transverse elastic modulus is 1800 or more at the point Af or higher.
2500kg / mm 2 is preferable, and below Af point is 500-1
000 kg / mm 2 is preferred.
【0013】本発明において、形状記憶合金の線または
条を可撓性の物質に固定する方法は、2枚の可撓性シー
トに接着剤を塗って線または条を挟み固定する等が考え
られるが、ねじれ、転がり、前後のズレ等がなく、線ま
たは条がしっかり固定される方法であればどんな方法で
もよい。また、形状記憶合金の線または条は各位相に1
本づつでも2〜3本束にして配置してもよい。In the present invention, the method for fixing the wire or strip of the shape memory alloy to the flexible material may be to apply an adhesive to two flexible sheets to sandwich and fix the wire or strip. However, any method may be used as long as the wire or the strip is securely fixed without twisting, rolling, displacement between the front and back. Also, the shape memory alloy line or strip is 1 for each phase.
You may arrange | position by one or two or three bundles.
【0014】本発明では形状記憶合金の形状には線と条
とがあるが、線は加工成形が条に比べて容易ではある
が、波形加工の難易度は同程度であり、可撓性物質への
固定は条の方が簡単であり、使用時のねじれ、転がり、
前後のズレ等の不具合も生じにくい。したがって、加工
成形時のコストは条の方が割高ではあるが、条を使用す
る方が好ましい。In the present invention, the shape of the shape memory alloy has a line and a line. Although the line is easier to work and form than the line, the degree of difficulty of the corrugation is about the same, and a flexible material is used. It is easier to fix it to the strip by twisting, rolling during use,
Problems such as front and rear misalignment are unlikely to occur. Therefore, although the cost for processing and forming is higher for the strip, it is preferable to use the strip.
【0015】形状記憶合金の加熱方法には様々な方法が
あるが、できるだけ速やかに、かつ多数本並べられた線
または条のうちの指定された線または条のみを加熱する
ためには、通電によるジュール熱の発生を利用すること
が望ましく、線または条に直接通電するか、線または条
に加熱媒体を巻きつけておき、媒体に通電することによ
り線または条を加熱する等の方法があるが、前者が最も
望ましい。冷却方法は、環境による自然放冷、空気や水
のような冷媒の吹きつけ、あるいは装置に一体化したパ
イプに冷媒を流す等の方法が考えられるが、これらに限
定されない。There are various methods for heating the shape memory alloy. However, in order to heat the specified line or strip among a large number of arranged lines or strips as quickly as possible, it is necessary to apply electric current. It is desirable to utilize Joule heat generation, and there are methods such as directly energizing the wire or strip, or winding a heating medium around the wire or strip and heating the wire or strip by energizing the medium. , The former is the most desirable. The cooling method may be natural cooling by the environment, spraying a refrigerant such as air or water, or flowing the refrigerant through a pipe integrated with the apparatus, but is not limited thereto.
【0016】波形の位相を2π/nづつずらして複数本
並べる際のnを2に設定すると、定在波が発生するの
で、nは3以上でなければならない。When n is set to 2 when a plurality of waveforms are arranged by shifting the phase of the waveform by 2π / n, a standing wave is generated. Therefore, n must be 3 or more.
【0017】本発明の進行波発生装置を使用して搬送さ
れる物体は、鉛筆、ねじ等の軽くて小さい物体、あるい
は米、豆等の転がって搬送されることに耐えうる食物な
どの固体が考えられるが、これらに限定されるものでは
なく、水、飲料、薬品、汚水等の液体を搬送することも
可能である。Objects conveyed using the traveling wave generator of the present invention are light and small objects such as pencils and screws, or solids such as foods such as rice and beans that can withstand rolling. Though conceivable, the present invention is not limited to these, and liquids such as water, beverages, chemicals, and sewage can be transported.
【0018】[0018]
【実施例】以下、本発明の実施例について図面を参照し
て説明する。なお、本実施例にはNi:50at%、T
i:50at%、Af点:80℃のNiTi系形状記憶
合金を使用した。Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, Ni: 50 at%, T
A NiTi-based shape memory alloy with i: 50 at% and Af point: 80 ° C. was used.
【0019】(実施例1)断面形状1mm×0.5mm
のNiTi形状記憶合金テープ(1)を、波長100m
m、振幅30mmの正弦波形状に形状記憶処理した。こ
れを長さ3mに切断し、合計で120本作製した。この
120本のNiTi形状記憶合金テープ(1)を40本
づつの3つのグループに分け、第1のグループ(以下
と記す)の位相を0、第2のグループ(以下と記す)
の位相を2π/3、第3のグループ(以下と記す)の
位相を4π/3の位置に、1本づつ、、、・・
・と順に並べ、該テープの端部を粘着テープで固定し
て、図2に示すような、該合金テープと同波長、同振幅
の面を有する一組の治具(2)(2’)を用いて、該テ
ープを全部位相0の形状に変形した。さらに、図3に示
すように治具(2)(2’)の上に接着剤(4)を塗っ
たゴムシート(3)を置いておき、該合金テープをはさ
んで全体を固定して一体とした。さらに図4に示すよう
に夫々の合金テープの両端をスイッチ機構を有する電源
回路に接続して、各位相の線を夫々独立に加熱できるよ
うにして、進行波発生装置(11)を作製した。Example 1 Cross-sectional shape 1 mm × 0.5 mm
NiTi shape memory alloy tape (1) of wavelength 100m
Shape memory processing was performed in a sine wave shape with m and an amplitude of 30 mm. This was cut into a length of 3 m and a total of 120 pieces were produced. The 120 NiTi shape memory alloy tapes (1) were divided into three groups of 40 tapes each, the phase of the first group (hereinafter referred to as "0") was set to 0 and the phase of the second group (hereinafter referred to as "to be referred to").
The phase of 2π / 3 and the phase of the third group (hereinafter referred to as “) at the position of 4π / 3, one by one, ...
・ A set of jigs (2) (2 ′) having the same wavelength and the same amplitude as the alloy tape as shown in FIG. Was used to deform the tape into a phase 0 shape. Further, as shown in FIG. 3, a rubber sheet (3) coated with an adhesive (4) is placed on the jigs (2) and (2 ′), and the whole is fixed by sandwiching the alloy tape. Integrated. Further, as shown in FIG. 4, both ends of each alloy tape were connected to a power supply circuit having a switch mechanism so that the lines of each phase could be independently heated to prepare a traveling wave generator (11).
【0020】(実施例2)実施例1で得られた進行波発
生装置(11)を水平な台の上に置き、前記装置上に鉛
筆(12)を5本乗せ、に通電してシート全体の位相
を2π/3とした(図5(b))。次にの通電をやめ
てに通電してシート全体の位相を4π/3とした(図
5(c))。さらにの通電をやめてに通電してシー
ト全体の位相を0とした(図5(d))。これを繰り返
すことによって進行波を発生させることができ、前記鉛
筆(12)は波の進行に伴って搬送された。この搬送装
置は、微粉末の舞う悪条件の環境下でもトラブルがな
く、また、振動も騒音もなく静かに作動した。(Embodiment 2) The traveling wave generator (11) obtained in Embodiment 1 is placed on a horizontal table, five pencils (12) are placed on the equipment, and electricity is applied to the whole sheet. Was set to 2π / 3 (FIG. 5 (b)). Next, the current supply was stopped and the current was supplied to set the phase of the entire sheet to 4π / 3 (FIG. 5 (c)). Further energization was stopped and the phase of the entire sheet was set to 0 (FIG. 5 (d)). By repeating this, a traveling wave can be generated, and the pencil (12) was conveyed as the wave progressed. This carrier did not have any troubles even under adverse conditions of fine powder, and operated quietly without vibration or noise.
【0021】(実施例3)直径0.2mmのNiTi形
状記憶合金線を、波長10mm、振幅5mmの正弦波形
状に形状記憶処理した。これを長さ25mmに切断し、
合計で40本作製した。この40本のNiTi形状記憶
合金線を10本づつの4つのグループに分け、第1のグ
ループ(以下と記す)の位相を0、第2のグループ
(以下と記す)の位相をπ/2、第3のグループ(以
下と記す)の位相をπ、第4のグループ(以下と記
す)の位相を3π/2の位置に、1本づつ、、、
、・・・と順に並べ、該合金線の端部を粘着テープ
で固定して、図3に示すような、該合金線と同波長、同
振幅の面を有する治具を用いて、該合金線の全本を位相
0の位置に変形した。さらに、治具の上に、接着剤を塗
ったポリエチレンシートを置いておき、該合金テープを
はさんで全体を固定して一体とし、進行波発生装置(2
0)を作製した。この装置を図6に示すような内寸法5
mm×20mm×25mmで、5mm×20mmの面
(2面)の中央部に液体導入孔(22)および液体排出
孔(23)を設けた箱(21)の中に設置した。前記液
体導入孔および液体排出孔にビニールチューブ(24)
を接続し、該チューブから生理食塩水(25)を液体導
入孔(22)に送り込み、実施例2と同様の方法で通電
を行ったところ、図7(a)〜(c)のように生理食塩
水が運ばれ、液体排出孔から排出された。Example 3 A NiTi shape memory alloy wire having a diameter of 0.2 mm was subjected to shape memory treatment into a sine wave shape having a wavelength of 10 mm and an amplitude of 5 mm. Cut this to a length of 25 mm,
A total of 40 pieces were produced. The 40 NiTi shape memory alloy wires are divided into 4 groups of 10 wires, the phase of the first group (hereinafter referred to as “0”) is 0, the phase of the second group (hereinafter referred to as “) is π / 2, The phase of the third group (described below) is π, and the phase of the fourth group (described below) is at a position of 3π / 2, one by one, ...
, ..., the ends of the alloy wire are fixed with adhesive tape, and the alloy wire is fixed by using a jig having a surface with the same wavelength and the same amplitude as the alloy wire as shown in FIG. All the lines were transformed to the phase 0 position. Further, a polyethylene sheet coated with an adhesive is placed on the jig, and the alloy tape is sandwiched between the polyethylene sheet and the whole to be fixed to be integrated into a traveling wave generator (2
0) was prepared. This device has internal dimensions 5 as shown in Fig. 6.
It was placed in a box (21) having a liquid introduction hole (22) and a liquid discharge hole (23) in the center of a 5 mm × 20 mm surface (2 surfaces) having a size of mm × 20 mm × 25 mm. Vinyl tubes (24) in the liquid inlet and the liquid outlet
7 was connected, the physiological saline solution (25) was fed from the tube to the liquid introduction hole (22), and electricity was applied in the same manner as in Example 2. As a result, as shown in FIGS. Saline solution was carried and discharged from the liquid discharge hole.
【0022】(実施例4)実施例3の液体搬送装置(3
0)を、図8に示すようなおもちゃの船(31)の船腹
に取り付けたところ、船は図8に示す進行方向に進ん
だ。(Embodiment 4) A liquid transfer device (3) of Embodiment 3
0) was attached to the side of the toy ship (31) as shown in FIG. 8, the ship proceeded in the traveling direction shown in FIG.
【0023】[0023]
【発明の効果】以上詳述したように、本願発明によれば
進行波を発生させることができ、これを利用した搬送装
置、ポンプおよび推進装置は、注油や分解清掃等のメン
テナンスをほとんど必要とせず、微粉末の舞うような環
境の悪い条件下でも使用でき、振動および騒音が発生し
ない等の効果を奏する。As described in detail above, according to the present invention, a traveling wave can be generated, and a carrier device, a pump and a propulsion device using this require almost no maintenance such as lubrication and disassembly cleaning. In addition, it can be used even under a bad environment such as a fine powder, and vibration and noise are not generated.
【図1】(a)形状記憶合金、、それぞれの形状
回復時の波形である。 (b)形状記憶合金、、をの波形に合わせて固
定して一体化されている状態の波形である。FIG. 1 (a) is a shape memory alloy and waveforms at the time of recovering the respective shapes. (B) The shape memory alloy is a waveform that is fixed and integrated according to the waveforms of.
【図2】実施例1における進行波発生装置作製の説明図
である。FIG. 2 is an explanatory diagram for manufacturing a traveling wave generator according to the first embodiment.
【図3】実施例1における進行波発生装置作製の説明図
である。FIG. 3 is an explanatory diagram for manufacturing the traveling wave generation device according to the first embodiment.
【図4】実施例1の進行波発生装置の電気回路図であ
る。FIG. 4 is an electric circuit diagram of the traveling wave generator of the first embodiment.
【図5】(a)〜(d)実施例2の搬送装置の搬送のプ
ロセスを示した説明図である。5 (a) to 5 (d) are explanatory views showing a carrying process of the carrying device according to the second embodiment.
【図6】(a)実施例3の液体搬送装置の斜視図であ
る。 (b)実施例3の液体搬送装置の分解図である。FIG. 6A is a perspective view of a liquid transfer device according to a third embodiment. FIG. 7B is an exploded view of the liquid transfer device according to the third embodiment.
【図7】(a)〜(c)実施例3の液体装置の搬送のプ
ロセスを示した説明図である。7 (a) to 7 (c) are explanatory views showing a process of transporting the liquid device according to the third embodiment.
【図8】実施例3の液体搬送装置を応用した推進装置の
一実施例である。FIG. 8 is an example of a propulsion device to which the liquid transfer device according to the third embodiment is applied.
1 NiTi形状記憶合金テープ 2,2’ 治具 3 ゴムシート 4 接着剤 11,20 進行波発生装置 12 鉛筆 21 箱 22 液体導入孔 23 液体排出孔 24 ビニールチューブ 25 生理食塩水 30 液体搬送装置 31 おもちゃの船 1 NiTi Shape Memory Alloy Tape 2, 2'Jig 3 Rubber Sheet 4 Adhesive 11, 20 Traveling Wave Generator 12 Pencil 21 Box 22 Liquid Inlet Hole 23 Liquid Discharge Hole 24 Vinyl Tube 25 Saline Solution 30 Liquid Transfer Device 31 Toy Ship of
Claims (2)
であって、該波形の位相が2π/n(nは3以上の整
数)づつずれており、平行に配置された複数本の形状記
憶合金が、可撓性物質によって同一形状に固定され一体
となっており、各位相の線を位相の順に、加熱、冷却を
繰り返す手段を有していることを特徴とする進行波発生
装置。1. A shape memory alloy line or strip that stores waveforms, wherein the phases of the waveforms are shifted by 2π / n (n is an integer of 3 or more) and a plurality of shapes are arranged in parallel. A traveling wave generator, characterized in that the memory alloy is fixed and integrated in the same shape by a flexible material, and has means for repeating heating and cooling of each phase line in the order of phases.
所定の位相の線(A)をマルテンサイト逆変態点温度以
上に加熱して、前記可撓性物質によって固定された一体
物全体を前記線(A)が記憶している波形に変形させ、
次に前記線(A)をマルテンサイト逆変態点温度以下に
冷却すると共に、線(A)より位相が2π/nずれた線
(B)を加熱する操作を順次行うことにより、位相が2
π/nづつずれた波形を順次発生させることを特徴とす
る進行波発生方法。2. The traveling wave generator according to claim 1,
The line (A) having a predetermined phase is heated to a temperature higher than the martensite reverse transformation point temperature to transform the whole unit fixed by the flexible material into a waveform memorized by the line (A),
Next, the line (A) is cooled to a temperature below the reverse transformation point of martensite and the line (B) whose phase is deviated by 2π / n from the line (A) is sequentially heated.
A progressive wave generation method, characterized in that waveforms shifted by π / n are sequentially generated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7186764A JPH0932719A (en) | 1995-07-24 | 1995-07-24 | Generation device and method of traveling wave |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7186764A JPH0932719A (en) | 1995-07-24 | 1995-07-24 | Generation device and method of traveling wave |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0932719A true JPH0932719A (en) | 1997-02-04 |
Family
ID=16194231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7186764A Pending JPH0932719A (en) | 1995-07-24 | 1995-07-24 | Generation device and method of traveling wave |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0932719A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013537950A (en) * | 2010-09-27 | 2013-10-07 | テクトニック プロプライアトリー リミテッド | Wavy structure |
JP2014055527A (en) * | 2012-09-11 | 2014-03-27 | Smk Corp | Flat type shape memory cable, and drive unit using the same |
JP2016145582A (en) * | 2016-05-19 | 2016-08-12 | Smk株式会社 | Drive unit |
CN114450221A (en) * | 2019-08-09 | 2022-05-06 | Finx公司 | Device for moving a ship |
-
1995
- 1995-07-24 JP JP7186764A patent/JPH0932719A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013537950A (en) * | 2010-09-27 | 2013-10-07 | テクトニック プロプライアトリー リミテッド | Wavy structure |
US9744563B2 (en) | 2010-09-27 | 2017-08-29 | Techtonic Pty Ltd | Undulatory structures |
JP2014055527A (en) * | 2012-09-11 | 2014-03-27 | Smk Corp | Flat type shape memory cable, and drive unit using the same |
JP2016145582A (en) * | 2016-05-19 | 2016-08-12 | Smk株式会社 | Drive unit |
CN114450221A (en) * | 2019-08-09 | 2022-05-06 | Finx公司 | Device for moving a ship |
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