JPS63310336A - Piezoelectric conversion type power supply - Google Patents
Piezoelectric conversion type power supplyInfo
- Publication number
- JPS63310336A JPS63310336A JP62146012A JP14601287A JPS63310336A JP S63310336 A JPS63310336 A JP S63310336A JP 62146012 A JP62146012 A JP 62146012A JP 14601287 A JP14601287 A JP 14601287A JP S63310336 A JPS63310336 A JP S63310336A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power supply
- piezoelectric
- striking
- type power
- 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
- 238000006243 chemical reaction Methods 0.000 title claims description 12
- 230000002463 transducing effect Effects 0.000 claims 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
この発明は、小形の電子機器等に使用される圧電変換形
の電源装置に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application This invention relates to a piezoelectric conversion type power supply device used in small electronic devices and the like.
（ロ）従来の技術
一般に、トランジスタラジオや電子卓上計算機等の小形
軽量の携帯用電子機器では、電源として乾電池、充電電
池や太陽電池等が使用されている。(B) Prior Art Generally, small and lightweight portable electronic devices such as transistor radios and electronic desktop calculators use dry batteries, rechargeable batteries, solar cells, etc. as power sources.
この種の携帯用電子機器の電源において、乾電池の場合
、電源低下で新品と交換し、充電電池の場合は電圧が低
下すると、充電装置を用いて充電していた。また、太陽
電池の場合は、外部光により常時充電していた。In the power supply of this type of portable electronic device, dry batteries are replaced with new ones when the power supply drops, and rechargeable batteries are charged using a charging device when the voltage drops. Furthermore, in the case of solar cells, they were constantly charged using external light.
（ハ）発明が解決しようとする問題点
上記従来の小形の携帯用電源のうち、乾電池は、消耗す
ると、いちいち交換しなければならず面倒である上に、
予期せぬ時に電圧低下すると交換電池が手元になく、そ
の電子機器を継続使用できないという問題があった。充
電電池は交換を必要としないが、電池電圧が低下すると
、再充電に時間がかかる上に、予期せぬ時に電圧低下す
ると充電装置が手元にないため充電不能で、やはりその
電子機器を継続使用できないという問題があった。(c) Problems to be solved by the invention Among the conventional small portable power sources mentioned above, dry batteries have to be replaced every time they are exhausted, which is troublesome.
If the voltage drops unexpectedly, there is a problem in that the electronic device cannot be used continuously because a replacement battery is not on hand. Rechargeable batteries do not need to be replaced, but if the battery voltage drops, it takes time to recharge, and if the voltage drops unexpectedly, the electronic device cannot be charged because the charging device is not at hand, and the electronic device may not be able to be used. The problem was that I couldn't do it.
また、太陽電池は交換不要であり、特別の充電装置も不
要であるが、夜間屋外で電圧低下すると使用継続不可能
であるという問題があった。Furthermore, although solar cells do not need to be replaced and do not require a special charging device, there is a problem in that if the voltage drops outdoors at night, it is impossible to continue using them.
この発明は、上記に鑑み、交換が不要であり、また、充
電用の商用電源の無い場所や夜間屋外等であっても、継
続的に使用可能な電源装置を提供することを目的として
いる。In view of the above, it is an object of the present invention to provide a power supply device that does not require replacement and can be used continuously even in places where there is no commercial power source for charging or outdoors at night.
（ニ）問題点を解決するための手段
この発明の圧電変換形電源装置は、圧電変換素子と、こ
の圧電変換素子を打撃する打撃機構と、前記圧電変換素
子が打撃されて発生する交流電圧を整流する整流回路と
、この整流回路より出力される直流電圧により、充電さ
れる充電電池とから構成されている。(d) Means for Solving the Problems The piezoelectric conversion type power supply device of the present invention includes a piezoelectric conversion element, a striking mechanism that strikes the piezoelectric conversion element, and an AC voltage generated when the piezoelectric conversion element is struck. It consists of a rectifier circuit that performs rectification, and a rechargeable battery that is charged by the DC voltage output from the rectifier circuit.
（ホ）作用
この圧電変換形電源装置では、打撃機構で圧電変換素子
を連続的に打撃すると、打撃による機械歪で、圧電変換
素子は、交流電圧を発生する。この交流電圧が整流回路
で整流される。そして、この整流された直流電圧により
、充電電池が充電され、この充電電圧が電源電圧として
出力される。(E) Function In this piezoelectric conversion type power supply device, when the piezoelectric conversion element is continuously struck by the striking mechanism, the piezoelectric conversion element generates an alternating current voltage due to mechanical strain caused by the striking. This AC voltage is rectified by a rectifier circuit. Then, a rechargeable battery is charged with this rectified DC voltage, and this charging voltage is output as a power supply voltage.
圧電変換素子を打撃することにより発生する電圧を充電
電圧とするものであるから、何時どこででも使用できる
。Since the charging voltage is the voltage generated by hitting the piezoelectric transducer, it can be used anytime and anywhere.
（へ）実施例 以下実施例により、この発明をさらに詳細に説明する。(f) Example The present invention will be explained in more detail with reference to Examples below.
第１図は、この発明の一実施例を示す圧電変換形の電源
装置の回路接続図である。同図において圧電素子（圧電
変換素子）１の電極２ａと、電極２ｂ間に、電流制限抵
抗３を介して、整流回路４０入力端Ａ、Ｂが接続されて
いる。整流回路４は、ダイオードｄｔ、ｄｚ、ｄｓ、ｄ
ａがブリッジ接続されてなる、よく知られた全波整流回
路である。FIG. 1 is a circuit connection diagram of a piezoelectric conversion type power supply device showing an embodiment of the present invention. In the figure, input terminals A and B of a rectifier circuit 40 are connected between an electrode 2a and an electrode 2b of a piezoelectric element (piezoelectric transducer) 1 via a current limiting resistor 3. The rectifier circuit 4 includes diodes dt, dz, ds, d
This is a well-known full-wave rectifier circuit in which a is connected in a bridge.
整流回路４の出力端Ｃ，Ｄには、充電可能な電池（充電
電池）例えば、ニッケルカドニウム電池５が接続されて
いる。このニッケルカドニウム電池５の充電電圧が、端
子６ａ、６ｂより、電子機器（図示せず）の電源電圧と
して導出される。A rechargeable battery (rechargeable battery), for example, a nickel-cadmium battery 5 is connected to output terminals C and D of the rectifier circuit 4 . The charging voltage of the nickel-cadmium battery 5 is derived from terminals 6a and 6b as a power supply voltage for electronic equipment (not shown).
圧電素子１は、打撃機構７によって、手動的に打撃可能
に構成されている。この打撃機構の一例を第２図に示し
ている。The piezoelectric element 1 is configured to be able to be manually struck by a striking mechanism 7. An example of this striking mechanism is shown in FIG.
第２図に示す打撃機構７は、基台８に長短２本の柱９．
１０に立設し、これらの柱９と１０の間の基台８上に圧
電素子ｌを配置している。また、柱９の上端には、型車
１１が設けられ、型車１１の歯に、上方から押爪１２が
噛み合うようになっている。押爪１２は上端が、手動レ
バー１３に枢着されており、手動レバー１３の一端１３
ａは、柱９の上端９ａに枢着されている。柱９の中段側
部９ｂに板バネ１４の一端１４ａが固定されている。板
バネ１４の他端１４ｂが型車１１に噛み合されるととも
に、仮バネ１４の中央部下面に、圧電素子１を叩くハン
マ１５が設けられている。手動レバー１３の他端１３ｂ
と基台８間には、復帰バネ１６が設けられている。The striking mechanism 7 shown in FIG. 2 consists of a base 8 and two long and short columns 9.
10, and a piezoelectric element 1 is arranged on a base 8 between these pillars 9 and 10. Further, a mold wheel 11 is provided at the upper end of the pillar 9, and a pushing pawl 12 engages with the teeth of the mold wheel 11 from above. The upper end of the push pawl 12 is pivotally connected to the manual lever 13, and one end 13 of the manual lever 13
a is pivotally attached to the upper end 9a of the column 9. One end 14a of the leaf spring 14 is fixed to the middle side portion 9b of the column 9. The other end 14b of the leaf spring 14 is engaged with the model wheel 11, and a hammer 15 for hitting the piezoelectric element 1 is provided on the lower surface of the center of the temporary spring 14. The other end 13b of the manual lever 13
A return spring 16 is provided between the base 8 and the base 8.
今、この打撃機構７において、手動レバー１３を矢印の
ような上下動を連続して行うと、手動レバー１３が下方
に押される毎に、押爪１２により、型車１１が下方に押
され、１歯分だけ時計方向に回転する。これにより、板
バネ１４の他＠１４ｂが型車１１の歯の斜面部で上方に
押され、やがて他端１４ｂが爪を越えて、下の歯に至る
ときに板バネ１４は下方に跳ねて、ハンマ１５は、圧電
素子ｌを叩く、従って、手動レバー１３が連続的に上下
に操作されると、応じて押爪１２により型車１１も回転
し、これにより圧電素子１がハンマ１５によって連続的
に打撃される。Now, in this striking mechanism 7, when the manual lever 13 is continuously moved up and down as shown by the arrow, the mold wheel 11 is pushed downward by the push pawl 12 every time the manual lever 13 is pushed downward. Rotate clockwise by one tooth. As a result, the other end 14b of the leaf spring 14 is pushed upward by the slope of the tooth of the die wheel 11, and when the other end 14b eventually passes over the pawl and reaches the lower tooth, the leaf spring 14 springs downward. , the hammer 15 strikes the piezoelectric element 1. Therefore, when the manual lever 13 is continuously operated up and down, the mold wheel 11 is also rotated by the push pawl 12, and the piezoelectric element 1 is thereby continuously struck by the hammer 15. be hit by.
第１図において、圧電素子ｌが打撃機構７によって連続
的に打撃されると、圧電素子１は、打撃を受ける毎に交
流電圧を発生する。この交流電圧が抵抗３を通して整流
回路４で整流され、ニッケルカドニウム電池５を充電す
る。In FIG. 1, when the piezoelectric element 1 is continuously struck by the striking mechanism 7, the piezoelectric element 1 generates an alternating current voltage each time it is struck. This AC voltage is rectified by a rectifier circuit 4 through a resistor 3, and charges a nickel-cadmium battery 5.
このように、この電源装置では、手動レバー１３を操作
することにより充電電池を充電し、直ちに電源電圧を得
、電子機器を起動できる。In this way, in this power supply device, by operating the manual lever 13, the rechargeable battery can be charged, the power supply voltage can be immediately obtained, and the electronic device can be started.
なお、多量に電流を必要とする場合は、手動レバーによ
る充電を続行しながら電子機器を動作させるとよい。Note that if a large amount of current is required, it is recommended to operate the electronic device while continuing charging using the manual lever.
（ト）発明の効果
この発明によれば、打撃機構により圧電素子を打撃し、
発生する交流電圧を整流して、充電電池を充電して電源
電圧を得るものであるから、所要の時に、手動操作すれ
ば直ちに電源電圧が得られ、電池交換や特別の充電装置
が不要である。それゆえ昼夜を問わず、また屋内外を問
わず、如何なる場所でも簡便に使用することができる。(g) Effect of the invention According to this invention, the piezoelectric element is struck by the striking mechanism,
Since the generated AC voltage is rectified and the rechargeable battery is charged to obtain the power supply voltage, the power supply voltage can be obtained immediately by manual operation when required, eliminating the need for battery replacement or special charging equipment. . Therefore, it can be easily used anywhere, day or night, indoors or outdoors.
特に、防災・警報等の数ケ年に１度の如く使用頻度が低
くて長時間使用可であることが要求される電子機器に採
用すれば有効である。It is particularly effective if adopted for electronic equipment that is used infrequently, such as once every few years, and is required to be usable for a long period of time, such as for disaster prevention and alarm purposes.
第１図は、この発明の一実施例を示す圧電変換形電源装
置の回路図、第２図は、同電源装置に使用される打撃機
構の一例を示す図である。
１：圧電素子、 ４：整流回路。
５：充電電池、 ７：打撃機構。
特許出願人 八洲電機株式会社代理人 弁理
士 中 村 茂 信
第１図FIG. 1 is a circuit diagram of a piezoelectric conversion type power supply device showing an embodiment of the present invention, and FIG. 2 is a diagram showing an example of a striking mechanism used in the power supply device. 1: Piezoelectric element, 4: Rectifier circuit. 5: Rechargeable battery, 7: Impact mechanism. Patent applicant Yasu Electric Co., Ltd. Agent Patent attorney Shigeru Nakamura Figure 1
Claims (1)
撃機構と、前記圧電変換素子が打撃されて発生する交流
電圧を整流する整流回路と、この整流回路より出力され
る直流電圧により充電される充電電池とからなる圧電変
換形電源装置。(1) A piezoelectric transducer, a striking mechanism that strikes the piezoelectric transducer, a rectifying circuit that rectifies the alternating current voltage generated when the piezoelectric transducing element is struck, and a device that is charged by the direct current voltage output from the rectifying circuit. A piezoelectric conversion type power supply device consisting of a rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62146012A JPS63310336A (en) | 1987-06-11 | 1987-06-11 | Piezoelectric conversion type power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62146012A JPS63310336A (en) | 1987-06-11 | 1987-06-11 | Piezoelectric conversion type power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63310336A true JPS63310336A (en) | 1988-12-19 |
Family
ID=15398097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62146012A Pending JPS63310336A (en) | 1987-06-11 | 1987-06-11 | Piezoelectric conversion type power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63310336A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02168681A (en) * | 1988-12-21 | 1990-06-28 | Nec Corp | Combination system of piezoelectric ceramic element and secondary cell |
| JP2001207950A (en) * | 2000-01-20 | 2001-08-03 | Shuho:Kk | Micro-energy collecting device and system using the same |
| KR20020093480A (en) * | 2001-06-09 | 2002-12-16 | 주식회사 테크노.티 | The way and device of changing vibration into electric energy |
| KR20030032353A (en) * | 2001-10-17 | 2003-04-26 | 임기조 | Self accumulator of electric power using piezoelectric ceramics |
| WO2004044997A1 (en) * | 2002-11-05 | 2004-05-27 | Infinite Power Solutions, Inc. | Method and apparatus for an incidental use piezoelectric energy source with thin-film battery |
| KR100520280B1 (en) * | 2003-04-23 | 2005-10-11 | 한정선 | Portable generating and charging apparatus |
| US7102271B2 (en) | 2004-01-14 | 2006-09-05 | Infinite Power Solutions, Inc. | Method and apparatus for a high output sensor system |
| US7183693B2 (en) | 2003-04-22 | 2007-02-27 | Infinite Power Solutions, Inc. | Method and apparatus for an ambient energy battery recharge system |
| WO2013069516A1 (en) * | 2011-11-09 | 2013-05-16 | 株式会社村田製作所 | Piezoelectric power generation element |
| JP2015126584A (en) * | 2013-12-26 | 2015-07-06 | 株式会社京三製作所 | Power generation mechanism and sensor |
| CN111342538A (en) * | 2018-12-19 | 2020-06-26 | 株式会社皮耶索 | Charging device |
-
1987
- 1987-06-11 JP JP62146012A patent/JPS63310336A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02168681A (en) * | 1988-12-21 | 1990-06-28 | Nec Corp | Combination system of piezoelectric ceramic element and secondary cell |
| JP2001207950A (en) * | 2000-01-20 | 2001-08-03 | Shuho:Kk | Micro-energy collecting device and system using the same |
| KR20020093480A (en) * | 2001-06-09 | 2002-12-16 | 주식회사 테크노.티 | The way and device of changing vibration into electric energy |
| KR20030032353A (en) * | 2001-10-17 | 2003-04-26 | 임기조 | Self accumulator of electric power using piezoelectric ceramics |
| WO2004044997A1 (en) * | 2002-11-05 | 2004-05-27 | Infinite Power Solutions, Inc. | Method and apparatus for an incidental use piezoelectric energy source with thin-film battery |
| US7183693B2 (en) | 2003-04-22 | 2007-02-27 | Infinite Power Solutions, Inc. | Method and apparatus for an ambient energy battery recharge system |
| KR100520280B1 (en) * | 2003-04-23 | 2005-10-11 | 한정선 | Portable generating and charging apparatus |
| US7102271B2 (en) | 2004-01-14 | 2006-09-05 | Infinite Power Solutions, Inc. | Method and apparatus for a high output sensor system |
| US7274130B2 (en) | 2004-01-14 | 2007-09-25 | Infinite Power Solutions, Inc. | Method and apparatus for a high output sensor system |
| WO2013069516A1 (en) * | 2011-11-09 | 2013-05-16 | 株式会社村田製作所 | Piezoelectric power generation element |
| CN103828219A (en) * | 2011-11-09 | 2014-05-28 | 株式会社村田制作所 | Piezoelectric power generation element |
| JPWO2013069516A1 (en) * | 2011-11-09 | 2015-04-02 | 株式会社村田製作所 | Piezoelectric generator |
| US9350273B2 (en) | 2011-11-09 | 2016-05-24 | Murata Manufacturing Co., Ltd. | Piezoelectric power generating device having a stress applying member |
| JP2015126584A (en) * | 2013-12-26 | 2015-07-06 | 株式会社京三製作所 | Power generation mechanism and sensor |
| CN111342538A (en) * | 2018-12-19 | 2020-06-26 | 株式会社皮耶索 | Charging device |
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