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JPH0239079B2 - - Google Patents
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JPH0239079B2 - - Google Patents

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Publication number
JPH0239079B2
JPH0239079B2 JP57070843A JP7084382A JPH0239079B2 JP H0239079 B2 JPH0239079 B2 JP H0239079B2 JP 57070843 A JP57070843 A JP 57070843A JP 7084382 A JP7084382 A JP 7084382A JP H0239079 B2 JPH0239079 B2 JP H0239079B2
Authority
JP
Japan
Prior art keywords
resistor
discharge
piezoelectric sounding
conductive member
shock
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 - Lifetime
Application number
JP57070843A
Other languages
Japanese (ja)
Other versions
JPS58188100A (en
Inventor
Mitsuhiro Murata
Akira Kumada
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to JP7084382A priority Critical patent/JPS58188100A/en
Publication of JPS58188100A publication Critical patent/JPS58188100A/en
Publication of JPH0239079B2 publication Critical patent/JPH0239079B2/ja
Granted legal-status Critical Current

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  • Elimination Of Static Electricity (AREA)

Description

【発明の詳細な説明】 この発明は静電気の放電に伴つて生体が受ける
衝撃を防止する静電気電撃防止器に関するもので
ある。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a static electricity shock preventer that prevents shocks received by living bodies due to discharge of static electricity.

床や履物などの絶縁性が高い場合、着衣などの
摩擦などによつて静電気が発生し、生体において
帯電現象が起る。生体の静電容量はアース側の床
や履物などの状態で大きく変化するが、ほぼ
100pF程度である。そしてその帯電電位が1KVを
越えると、生体からの放電現象が見られ、放電時
には生体側で電撃を感じることになる。通常は帯
電していることを意識していないことが多く、電
撃を受けたときの驚きは大きく、また電撃による
痛みがあるので不快感も大きい。また帯電物体か
らの放電によつても同様の電撃を受ける。
When floors and footwear have high insulating properties, static electricity is generated due to the friction of clothing, etc., and a charging phenomenon occurs in living organisms. The capacitance of a living body varies greatly depending on the condition of the floor on the ground side, footwear, etc., but approximately
It is about 100pF. When the charged potential exceeds 1KV, a discharge phenomenon is observed from the living body, and when the discharge occurs, the living body feels an electric shock. Usually, people are not aware that they are being charged, so they are very surprised when they receive an electric shock, and the pain caused by the electric shock can also be very unpleasant. A similar electric shock is also caused by discharge from a charged object.

したがつて、静電気を何らのシヨツクも受けな
いで放電してやる必要がある。
Therefore, it is necessary to discharge static electricity without receiving any shock.

この発明はかかる要求に答えられる静電気電撃
防止器を提供することを目的とする。
The object of the present invention is to provide a static electricity shock protector that can meet such demands.

また、この発明は静電気の放電を聴覚で確認で
きる静電気電撃防止器を提供することを目的とす
る。
Another object of the present invention is to provide an electrostatic shock preventer that allows the user to hear the discharge of static electricity.

すなわち、この発明の要旨とするところは、生
体側電極と放電側電極との間に抵抗体が介在して
いる静電気電撃防止器であつて、前記抵抗体に並
列に圧電発音体を電気的に接続したことを特徴と
するものである。
That is, the gist of the present invention is an electrostatic shock preventer in which a resistor is interposed between a living body side electrode and a discharge side electrode, and a piezoelectric sounding body is electrically connected in parallel to the resistor. It is characterized by being connected.

以下この発明を図示した実施例にもとづいて詳
細に説明する。
The present invention will be described in detail below based on illustrated embodiments.

第1図はこの発明にかかる静電気電撃防止器の
一実施例を示す縦断面図である。
FIG. 1 is a longitudinal sectional view showing an embodiment of the electrostatic shock preventer according to the present invention.

図において、1は絶縁性筒体を示し、この絶縁
性筒体1の筒内には抵抗体2が収容されている。
この抵抗体2の形状はたとえば円柱状、角柱状、
平板状などがあり、要は絶縁性筒体1の筒内に収
容される形状であればよい。
In the figure, 1 indicates an insulating cylinder, and a resistor 2 is accommodated in the cylinder of the insulating cylinder 1.
The shape of this resistor 2 is, for example, cylindrical, prismatic,
It may have a flat plate shape, etc., and in short, any shape that can be accommodated within the cylinder of the insulating cylinder 1 may be used.

このように筒内に抵抗体2を収容した絶縁性筒
体1の端部には、たとえば導電性ゴムからなる導
電性弾性材3,4を介してたとえば金属製からな
るキヤツプ状の導電性部材5,6が固定される。
かかる構成において、たとえば導電性部材5側を
保持すれば、導電性部材5が生体側電極となり、
導電性部材6がアース側と接触する放電側電極と
なる。もちろん保持する位置を逆にすれば、導電
性部材5,6の役割もそれぞれ逆になる。
A cap-shaped conductive member made of metal, for example, is connected to the end of the insulating cylinder 1 which houses the resistor 2 in the cylinder through conductive elastic materials 3 and 4 made of conductive rubber, for example. 5 and 6 are fixed.
In such a configuration, for example, if the conductive member 5 side is held, the conductive member 5 becomes the living body side electrode,
The conductive member 6 serves as a discharge side electrode that contacts the ground side. Of course, if the holding positions are reversed, the roles of the conductive members 5 and 6 will also be reversed.

また、図において7は圧電発音体を示し、絶縁
性筒体1と導電性部材6の間に配設されている。
この圧電発音体7は電気的にはリード線8を介し
て導電性部材5と接続されており、一方の導電性
部材6との間で電気的接続されている。9は貫通
孔を示し、圧電発音体7からの発生音を通過させ
る。
Further, in the figure, 7 indicates a piezoelectric sounding body, which is disposed between the insulating cylinder 1 and the conductive member 6.
This piezoelectric sounding body 7 is electrically connected to the conductive member 5 via a lead wire 8, and is electrically connected to one conductive member 6. Reference numeral 9 indicates a through hole through which the sound generated from the piezoelectric sounding body 7 passes.

したがつて、第2図に示したように圧電発音体
7は抵抗体2と並列に電気的接続された状態で構
成されている。
Therefore, as shown in FIG. 2, the piezoelectric sounding body 7 is configured to be electrically connected to the resistor 2 in parallel.

上記した構成において、抵抗体1としては、セ
ラミクス系抵抗体、厚膜抵抗体、導電性粉末を絶
縁性高分子樹脂中に分散せしめた樹脂系抵抗体な
どがある。
In the above configuration, the resistor 1 may be a ceramic resistor, a thick film resistor, a resin resistor in which conductive powder is dispersed in an insulating polymer resin, or the like.

そしてこの発明にかかる静電気電撃防止器は次
のような機能を有する。
The electrostatic shock preventer according to the present invention has the following functions.

つまり、生体から放出される帯電電荷は生体側
電極である導電性部材5を通して抵抗体2を流れ
る。このとき帯電電荷の多くが抵抗体2中で熱エ
ネルギーに変換される。そして残りの帯電電荷が
放電側電極である導電性部材6から放電される。
That is, the electrical charges released from the living body flow through the resistor 2 through the conductive member 5, which is the living body side electrode. At this time, most of the charged charges are converted into thermal energy in the resistor 2. The remaining charged charges are then discharged from the conductive member 6, which is the discharge side electrode.

したがつて静電気による帯電電荷は抵抗体2で
熱として消費され、電位の低下をもたらした状態
で導電性部材6から放出されることになる。
Therefore, the electrostatic charge is consumed as heat by the resistor 2, and is discharged from the conductive member 6 in a state where the potential is lowered.

また、それと同時に生体から放出される帯電電
荷は生体側電極である導電性部材5と放電側電極
である導電性部材6との間に接続されている圧電
発音体7にも流れる。このとき、圧電発音体7は
その圧電体が静電容量を有するため、容量成分(C)
を有しており、抵抗体2の抵抗成分(R)とで等
価回路的にCRの並列回路となり、圧電発音体の
両端に印加される電圧はCRの時定数で第3図の
ように変化する。したがつて、静電気の放電とと
もに、圧電発音体に印加される電圧はパルス的な
ものとなり、「ピツ」という音が発せられて放電
を聴覚で確認することができる。
At the same time, the charged charges released from the living body also flow to the piezoelectric sounding body 7 connected between the conductive member 5, which is the living body side electrode, and the conductive member 6, which is the discharge side electrode. At this time, since the piezoelectric sounding body 7 has a capacitance, the capacitance component (C)
The resistance component (R) of resistor 2 forms a parallel circuit of CR in terms of an equivalent circuit, and the voltage applied to both ends of the piezoelectric sounding element changes with the time constant of CR as shown in Figure 3. do. Therefore, as the static electricity is discharged, the voltage applied to the piezoelectric sounding body becomes pulse-like, and a "pitsu" sound is emitted and the discharge can be confirmed audibly.

この圧電発音体の圧電体としてはセラミツク圧
電体、単結晶圧電体などがある。これらの圧電体
はいずれも絶縁耐力が大きく、また電圧印加によ
る変形が大きいという特徴を有し、静電気による
破壊というおそれがないため使用に際して安定で
ある。
The piezoelectric body of this piezoelectric sounding body includes a ceramic piezoelectric body, a single crystal piezoelectric body, and the like. All of these piezoelectric materials have the characteristics of high dielectric strength and large deformation when voltage is applied, and are stable in use because there is no risk of destruction due to static electricity.

また、圧電発音体7の圧電体そのものがセラミ
ツク、単結晶のようなものからなるため静電容量
を有している。したがつて、圧電発音体7に容量
成分があることから、抵抗体2と併せてこの圧電
発音体7の容量成分により、帯電電荷の放電時の
シヨツクを和らげることができる。
Further, since the piezoelectric body itself of the piezoelectric sounding body 7 is made of ceramic or a single crystal, it has electrostatic capacitance. Therefore, since the piezoelectric sounding body 7 has a capacitance component, the capacitance component of the piezoelectric sounding body 7 together with the resistor 2 can soften the shock when the charged charge is discharged.

なお、抵抗体2の抵抗値としてはほぼ104
109Ωの範囲で選ばれる。このような抵抗値の範
囲を選んだ根拠としては、放電の時定数を大きく
できることにあり、放電による電流が少なく、放
電によつて消費されるエネルギー量を小さくする
ことができるという効果をもたらす。
Note that the resistance value of resistor 2 is approximately 10 4 ~
Selected in the range of 10 9 Ω. The reason for selecting such a resistance value range is that the time constant of discharge can be increased, which has the effect of reducing the current due to discharge and reducing the amount of energy consumed by discharge.

上記したほか、抵抗体としては非直線性の電圧
電流特性を有するものを用いてもよい。
In addition to the above, a resistor having nonlinear voltage-current characteristics may be used.

かかる特性を有する抵抗体を用いれば、さらに
次のような効果をもたらす。
The use of a resistor having such characteristics further brings about the following effects.

つまり、非直線性の電圧電流特性を示すから、
低電圧領域ではたとえば数100〜数1000MΩの高
抵抗を示すが、たとえば数KVの高電圧領域にな
ればその抵抗値はたとえば数10MΩに低下する。
このため、たとえば数KVの電荷が帯電すれば低
抵抗となり電荷を放出しやすくなる。また低圧電
源に誤つて触れた場合、低圧領域では絶縁物に近
く、高抵抗状態を呈しているため、感電防止の役
割を果たすことになる。
In other words, it exhibits nonlinear voltage-current characteristics, so
In the low voltage region, it exhibits a high resistance of, for example, several hundred to several thousand MΩ, but in the high voltage region of, for example, several KV, the resistance value decreases to, for example, several tens of MΩ.
For this reason, if a charge of several kilovolts is charged, for example, the resistance becomes low and the charge is easily released. Furthermore, if you accidentally touch a low-voltage power source, it will act as a protection against electric shock because it is close to an insulator in the low-voltage region and exhibits a high resistance state.

このような用途に有効な抵抗体としては、たと
えばFe2O3系セラミクス、SnO2系セラミクス、
ZnO系セラミクス、TiO2−ZnO系セラミクスな
ど多くのものがある。
Examples of resistors that are effective for such applications include Fe 2 O 3 ceramics, SnO 2 ceramics,
There are many types such as ZnO ceramics and TiO 2 −ZnO ceramics.

以上この発明によれば、静電気による帯電電荷
の放電を抵抗体を介して行うものであり、直接電
荷を放電したときのようなシヨツクを防止するこ
とができる。特に乾燥時においては静電気が発生
しやすいため、シヨツクを受けることなく放電せ
しめたい場合には、あらかじめこの静電気電撃防
止器を使用すればよく、何らの不安感もなくアー
ス側、たとえば車や室のドアに接触することがで
きる。特に接触したときに放電があれば圧電発音
体から音が発生するから、放電があつたか否かを
聴覚で確認でき、使用上の不安感をさらになくす
ことができる。
As described above, according to the present invention, the static charge is discharged via the resistor, and it is possible to prevent the shock that occurs when the charge is directly discharged. Static electricity is easy to generate, especially when it is dry, so if you want to discharge it without being shocked, you can use this static electricity shock preventer in advance, and you can safely connect it to the ground side, such as a car or room. You can touch the door. In particular, if there is a discharge when it comes into contact, the piezoelectric sounding body will generate a sound, so it can be confirmed aurally whether or not a discharge has occurred, further reducing anxiety during use.

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

第1図はこの発明にかかる静電気電撃防止器の
一実施例を示す縦断面図、第2図は同じく等価回
路図、第3図は圧電発音体に印加されるパルス電
圧波形図である。 1……絶縁性筒体、2……抵抗体、5,6……
導電性部材、7……圧電発音体。
FIG. 1 is a longitudinal sectional view showing an embodiment of the electrostatic shock preventer according to the present invention, FIG. 2 is an equivalent circuit diagram, and FIG. 3 is a pulse voltage waveform diagram applied to a piezoelectric sounding body. 1... Insulating cylinder, 2... Resistor, 5, 6...
Conductive member, 7...piezoelectric sounding body.

Claims (1)

【特許請求の範囲】 1 生体側電極と放電側電極との間に抵抗体が介
在している静電気電撃防止器であつて、 前記抵抗体に並列に圧電発音体を電気的に接続
したことを特徴とする静電気電撃防止器。
[Claims] 1. An electrostatic shock preventer in which a resistor is interposed between a living body side electrode and a discharge side electrode, and a piezoelectric sounding body is electrically connected in parallel to the resistor. Characteristic static electricity shock protector.
JP7084382A 1982-04-26 1982-04-26 Electrostatic electric shock preventing unit Granted JPS58188100A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7084382A JPS58188100A (en) 1982-04-26 1982-04-26 Electrostatic electric shock preventing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7084382A JPS58188100A (en) 1982-04-26 1982-04-26 Electrostatic electric shock preventing unit

Publications (2)

Publication Number Publication Date
JPS58188100A JPS58188100A (en) 1983-11-02
JPH0239079B2 true JPH0239079B2 (en) 1990-09-04

Family

ID=13443246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7084382A Granted JPS58188100A (en) 1982-04-26 1982-04-26 Electrostatic electric shock preventing unit

Country Status (1)

Country Link
JP (1) JPS58188100A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0542639Y2 (en) * 1988-11-18 1993-10-27
JPH04212299A (en) * 1990-06-11 1992-08-03 Seiei Kosan Kk Antistatic band
JP4960485B2 (en) * 2009-09-04 2012-06-27 仁 新井 Static eliminator and static eliminator.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53150845U (en) * 1977-05-04 1978-11-28

Also Published As

Publication number Publication date
JPS58188100A (en) 1983-11-02

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