JPS62243219A - Piezoelectric relay - Google Patents

Piezoelectric relay

Info

Publication number
JPS62243219A
JPS62243219A JP8537186A JP8537186A JPS62243219A JP S62243219 A JPS62243219 A JP S62243219A JP 8537186 A JP8537186 A JP 8537186A JP 8537186 A JP8537186 A JP 8537186A JP S62243219 A JPS62243219 A JP S62243219A
Authority
JP
Japan
Prior art keywords
bimorph
piezoelectric
relay
conductive rubber
state
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
Application number
JP8537186A
Other languages
Japanese (ja)
Inventor
近藤 兼市
河野 国敏
寛 福島
徹 二宮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP8537186A priority Critical patent/JPS62243219A/en
Publication of JPS62243219A publication Critical patent/JPS62243219A/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、各種産業電子制御機器等のリレー回路として
用いられるところの圧電素子に対する電気的負荷による
湾曲を利用した圧電リレーに関するものである。
DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a piezoelectric relay that utilizes curvature caused by an electrical load on a piezoelectric element used as a relay circuit for various industrial electronic control devices.

従来の技術 近年の電子機器は省電力化が進み、リレー装置において
も従来の電磁式では消費電力が大きく、最近になって、
圧電素子の歪現象e IJシレ一応用し、省電力化を試
みる傾向が強くなってきた。
Conventional technology In recent years, electronic devices have become more power efficient, and conventional electromagnetic relay devices consume a lot of power.
There is a growing tendency to try to save power by applying the strain phenomenon of piezoelectric elements to IJ.

以下、図面を参照しながら従来の圧電リレーについて説
明する。従来、この種の圧電リレーは第3図に示すよう
な構成であった。第3図において、1は圧電素子2a及
び2bを貼り合わせてなるバイモルフ2の一端を支持す
る支持台、3はバイモルフ2の先端(他端)に取り付け
られた可動接点、4は支持台1に取り付けられた固定接
点を示す。
Hereinafter, a conventional piezoelectric relay will be described with reference to the drawings. Conventionally, this type of piezoelectric relay has had a configuration as shown in FIG. In FIG. 3, 1 is a support base that supports one end of the bimorph 2 made by bonding piezoelectric elements 2a and 2b, 3 is a movable contact attached to the tip (other end) of the bimorph 2, and 4 is a support base 1. Shows installed fixed contacts.

以上のように構成された従来の圧電リレーについて、以
下その動作を説明する。今、圧電素子2&及び2bf貼
り合わせてなるバイモルフ2に、タイマー等の他の制御
部品(図示せず)から入力電圧が印加されると、この入
力電圧に比例してバイモルフ2は第3図め2点鎖線で示
すように湾曲する。(この現象は公知であり、原理自体
は本発明と直接関係ないので配線と共に説明を省略する
。)この時、バイモルフ2の先端に設けられた可動接点
3は、支持台1に設けられた固定接点4に当接し、各々
可動接点3及び固定接点4に配線された別の制御部品(
図示せず)がON状態となって作動し、逆にバイモルフ
2に印加される入力電圧を解除してやると、バイモルフ
2は元の状態に復帰し、可動接点3と固定接点4は離れ
てOFF状態となり、制御部品の作動を止めることとな
る。
The operation of the conventional piezoelectric relay configured as described above will be described below. Now, when an input voltage is applied from other control parts (not shown) such as a timer to the bimorph 2 formed by bonding the piezoelectric elements 2& and 2bf, the bimorph 2 moves to the third position in proportion to this input voltage. It is curved as shown by the two-dot chain line. (This phenomenon is well known and the principle itself is not directly related to the present invention, so the explanation along with the wiring will be omitted.) At this time, the movable contact 3 provided at the tip of the bimorph 2 is connected to the fixed point provided on the support base 1. Another control component (
(not shown) becomes ON and operates, and conversely, when the input voltage applied to Bimorph 2 is released, Bimorph 2 returns to its original state, and movable contact 3 and fixed contact 4 are separated and become OFF. This will cause the control parts to stop operating.

発明が解決しようとする問題点 このような従来の構成では、第3図に示すようにバイモ
ルフ2の先端に設けた可動接点3と支持台1に設けた固
定接点4との機械的接触により0N−OFF切換えを行
うため、接点切換時のチャタリング現象や耐久面におい
ては接点の焼付や接触不良等が発生するといった問題が
あった。
Problems to be Solved by the Invention In such a conventional configuration, as shown in FIG. - Since the OFF switching is performed, there are problems such as a chattering phenomenon when switching the contacts, and problems such as burning of the contacts and poor contact in terms of durability.

本発明はこのような問題点を解決するもので、チャタリ
ング現象が発生しにく、耐久面における信頼性の高い圧
電リレーの提供を目的とするものである。
The present invention solves these problems and aims to provide a piezoelectric relay that is less likely to cause chattering and has high reliability in terms of durability.

問題点を解決するための手段 この問題点を解決するために本発明は、圧電素子を2枚
貼り合わせてなるバイモルフの一端部を片持ち状態とし
、前記バイモルフの他端部に近接もしくは当接させて加
圧導電性ゴムを配したものである。
Means for Solving the Problem In order to solve this problem, the present invention makes one end of a bimorph made by bonding two piezoelectric elements together in a cantilevered state, and provides a structure in which the other end of the bimorph is brought close to or in contact with the other end of the bimorph. A pressurized conductive rubber is placed on the surface.

作用 この構成により、湾曲したバイモルフの先端部が加圧導
電性ゴムを加圧することによって加圧導電性ゴムが導通
状態となることにより、リレーとしての0N−OFF切
換えを行うものである。
Function: With this configuration, the tip of the curved bimorph presses the pressurized conductive rubber, thereby bringing the pressurized conductive rubber into a conductive state, thereby performing ON-OFF switching as a relay.

実施例 第1図及び第2図は、本発明の一実施例による圧電リレ
ーを示す構成図である。第1図及び第2図において、5
は圧電素子6a及びeb’2貼り合わせてなるバイモル
フ6の一端部全支持する支持台、7はバイモルフ6の先
端部(他端部)に近接もしくは当接して支持台6に取り
付けられた加圧導電ゴムを示す。
Embodiment FIGS. 1 and 2 are configuration diagrams showing a piezoelectric relay according to an embodiment of the present invention. In Figures 1 and 2, 5
7 is a support stand that fully supports one end of the bimorph 6 formed by bonding the piezoelectric elements 6a and eb'2 together, and 7 is a pressurizer attached to the support stand 6 in proximity to or in contact with the tip (other end) of the bimorph 6. Shows conductive rubber.

以下、その動作を図面を参照しながら説明する。The operation will be explained below with reference to the drawings.

第1図は動作前の加圧導電性ゴム7が非導通の状態金示
す。第2図はバイモルフ6に入力電圧が印加されてバイ
モルフ6の先端部が湾曲して加圧導電性ゴム7を加圧し
、加圧導電性ゴム7が導通状態を示す(従来例と同様に
バイモルフ6への電圧印加による湾曲は公知のため配線
と共に説明を省略する。)。
FIG. 1 shows a state in which the pressurized conductive rubber 7 is non-conductive before operation. In FIG. 2, when an input voltage is applied to the bimorph 6, the tip of the bimorph 6 curves and pressurizes the pressurized conductive rubber 7, and the pressurized conductive rubber 7 shows a conductive state (similar to the conventional example, the bimorph Since the curvature due to voltage application to 6 is well known, its explanation will be omitted along with the wiring.)

発明の効果 以上のように本発明によれば、圧電素子1&:2枚貼り
合わせてなるバイモルフの一端部を片持ち状態とし、バ
イモルフの他端部に近接もしくは当接させて加圧導電性
ゴムを配することにより、バイモルフの先端部が加圧導
電性ゴムを加圧して加圧導電性ゴムの導通状態を制御す
ることができるため、無接点の0N−OFF切換えが可
能となり、機械接点のようなチャタリング現象や耐久面
における接触不良等の問題も発生しない信頼性の高い圧
電リレー全提供できるものである。
Effects of the Invention As described above, according to the present invention, one end of the bimorph formed by bonding two piezoelectric elements 1&: is in a cantilevered state, and the pressurized conductive rubber is placed close to or in contact with the other end of the bimorph. By disposing the bimorph, the tip of the bimorph can pressurize the pressurized conductive rubber and control the conduction state of the pressurized conductive rubber, enabling non-contact 0N-OFF switching, and mechanical contact It is possible to provide a highly reliable piezoelectric relay that does not cause problems such as chattering phenomenon or poor contact in terms of durability.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明の一実施例による圧電リレーの作動前の
状態(OFF状態)を示す構成図、第2図は作動時の状
態(ON状態)を示す構成図、第3図は従来の圧電リレ
ーの構成図である。 6・・・・・・支持台、6・・・・・・バイモルフ、e
IL、eb・・・・・・圧電素子、7・・・・・・加圧
導電性ゴム。 代理人の氏名 弁理士 中 尾 敏 男 ほか1名第1
図 第2図 第3図
FIG. 1 is a configuration diagram showing the state before operation (OFF state) of a piezoelectric relay according to an embodiment of the present invention, FIG. 2 is a configuration diagram showing the state during operation (ON state), and FIG. It is a block diagram of a piezoelectric relay. 6... Support stand, 6... Bimorph, e
IL, eb...piezoelectric element, 7...pressurized conductive rubber. Name of agent: Patent attorney Toshio Nakao and 1 other person 1st
Figure 2 Figure 3

Claims (1)

【特許請求の範囲】[Claims] 圧電素子を2枚貼り合わせてなるバイモルフの一端部を
片持ち状態とし、前記バイモルフの他端部に近接もしく
は当接して加圧導電性ゴムを配した圧電リレー。
A piezoelectric relay in which one end of a bimorph made by bonding two piezoelectric elements is cantilevered, and a pressurized conductive rubber is placed close to or in contact with the other end of the bimorph.
JP8537186A 1986-04-14 1986-04-14 Piezoelectric relay Pending JPS62243219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8537186A JPS62243219A (en) 1986-04-14 1986-04-14 Piezoelectric relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8537186A JPS62243219A (en) 1986-04-14 1986-04-14 Piezoelectric relay

Publications (1)

Publication Number Publication Date
JPS62243219A true JPS62243219A (en) 1987-10-23

Family

ID=13856855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8537186A Pending JPS62243219A (en) 1986-04-14 1986-04-14 Piezoelectric relay

Country Status (1)

Country Link
JP (1) JPS62243219A (en)

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