JPS58225603A - Method of producing nonlinear resistor - Google Patents

Method of producing nonlinear resistor

Info

Publication number
JPS58225603A
JPS58225603A JP57107655A JP10765582A JPS58225603A JP S58225603 A JPS58225603 A JP S58225603A JP 57107655 A JP57107655 A JP 57107655A JP 10765582 A JP10765582 A JP 10765582A JP S58225603 A JPS58225603 A JP S58225603A
Authority
JP
Japan
Prior art keywords
nonlinear resistor
resistor
linear resistor
zno
mixture
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
JP57107655A
Other languages
Japanese (ja)
Inventor
眞 鈴木
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP57107655A priority Critical patent/JPS58225603A/en
Publication of JPS58225603A publication Critical patent/JPS58225603A/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】 tal  技術分野の説明 不発明はZnOを主成分とする非直線抵抗体の製造方法
(1関するものでおる。
DETAILED DESCRIPTION OF THE INVENTION tal Description of the Technical Field The present invention relates to a method (1) for manufacturing a non-linear resistor containing ZnO as a main component.

tb+  従来技術の説明 従来から電気系統(二おいては、例えば落雷または系統
の切換え時など(1生じる異常電圧から電気系統を構成
する′屯気慎器を保護す−るため(二、サージ・アブソ
ーバ、避雷器などの過′岨圧保護装置が用いられてきた
tb+ Description of the Prior Art Conventionally, electrical systems (2) have been used to protect the electrical system from abnormal voltages (1) that occur during lightning strikes or system switching (2) surge protection devices, etc. Overpressure protection devices such as absorbers and lightning arresters have been used.

この過電圧保−装[fnは、正常な電圧でほぼ絶縁特性
を示し、異常電圧が印加されたとき(=比較的低抵抗値
(二なる非直線抵抗体が用いられる。この非直線抵抗体
として、すぐれた電圧・′市流非直線性を有する酸化亜
鉛(ZnO)を主成分とする金楓酸化物非直線抵抗体が
ある。
This overvoltage protection [fn] exhibits almost insulating properties at normal voltage, and when abnormal voltage is applied (= relatively low resistance value (two nonlinear resistors are used. There is a gold maple oxide nonlinear resistor whose main component is zinc oxide (ZnO), which has excellent voltage and commercial nonlinearity.

従来このZnO非直線抵抗体の製造方法において、材料
成分の湿式混合・粉砕土a(=おいては、その粉砕媒体
の玉石としてメノウ・アルミナ・ジルコニアが用いられ
ていた。しかしこれらの玉石は摩耗(二よp、その成分
が原材料成分へ混入し、これ(二よって非直線性1課電
寿命といった性能が悪化する原因となっていた。
Conventionally, in the manufacturing method of this ZnO nonlinear resistor, agate, alumina, and zirconia were used as the cobblestones of the grinding medium when the material components were wet mixed and crushed. (2) The components were mixed into the raw material components, which caused deterioration in performance such as nonlinearity and 1 current life.

検討の結果、玉石成分の摩耗(二よる混入の中で、特1
− ZnOの非直線抵抗体の性能の悪化(二影響を与え
るものはアルミナであることが判明した。アルミニウム
は焼結後(二ZnO結晶粒中でドナーを形成し、白山礒
子濃度な支配する。したがってこのアルミナの混入を抑
えれば、より尚性能の非[−抵抗体を得ることが可能で
ある。
As a result of the study, it was found that abrasion of cobblestone components (among two types of contamination, special
- Deterioration of the performance of ZnO non-linear resistors (two influences were found to be alumina. Aluminum forms donors in the ZnO grains after sintering (two) and dominates the Hakusan Ioji concentration. Therefore, by suppressing the incorporation of alumina, it is possible to obtain a non-resistor with even higher performance.

tel  発明の目的 本発明は上記欠点を除去するため(二なされたもので、
尚性能の非直線抵抗体を製造する方法を提供することを
目的とするものである。
tel OBJECT OF THE INVENTION The present invention has been made in order to eliminate the above-mentioned drawbacks.
It is an object of the present invention to provide a method for manufacturing a high performance non-linear resistor.

td)  発明の概要 かかる目的を達成するため、不発明は主成分のZnOl
1少くとも一種以上の金属酸化物を添加混合し、この混
合物を成形焼結してなる非直線抵抗体の製造方法(−お
いて、前g己混合の際、球状のZnO焼結体ととも(二
前記混合物を混合すること(二よりこの混合物を粉砕、
混合することをその特徴とする。
td) Summary of the Invention In order to achieve the above object, the invention is based on the main component ZnOl.
1. A method for manufacturing a non-linear resistor by adding and mixing at least one kind of metal oxide and molding and sintering the mixture (-). (2) Mixing the said mixture (2) Grinding this mixture,
Its characteristic is that it mixes.

tel  発明の実施例 以−[、本発明を実施例(二よって説明する。tel Embodiments of the invention Hereinafter, the present invention will be described with reference to two embodiments.

例えば95 mo1%のZn0 に、少なくとも一種以
上の金Js4酸化物例えばBlzOn + 5btOa
 + Co0I Cr2Cr20s1 + Nto 1
51()2を夫々0.5ないし2.0 mol 4合1
5 mo1%秤量、配会し、これ(二純水および、Zn
O粉末を成形し非直線抵抗体の最適焼成温度よシ100
〜200 deg高い謳贋で焼成した焼結体を球状体(
二加工して得られた玉石を加えて湿式混合する。
For example, 95 mo1% Zn0 and at least one type of gold Js4 oxide such as BlzOn + 5btOa
+ Co0I Cr2Cr20s1 + Nto 1
0.5 to 2.0 mol each of 51()2 4 go 1
5 mo1% weighed, distributed, and this (two pure water and Zn
Molding O powder to find the optimum firing temperature for non-linear resistors100
A sintered body fired at ~200 deg high temperature is made into a spherical body (
Add the cobblestone obtained from the second process and wet mix.

この混合物を乾燥し造粒した後円板状(二成形してi、
ooo〜1,500°0の温度で8成する。この焼結体
を一足の厚さに研if舎し、研暦面・(−電極付を行っ
て非直線抵抗体を製造する。
After drying and granulating this mixture, it was formed into a disk shape (i.
It forms at a temperature of ooo~1,500°0. This sintered body is polished to a thickness of one foot, and a non-linear resistor is manufactured by attaching electrodes to the polished surface.

このよう(二して得られた本発明の非直線抵抗体は、従
来法(ニルして、特性を態化させるアルミナの混入もな
く、非直飽性、綜竜寿命共(二、第1氷(ニル較して示
す様(二従来の方法によって得られた非直線抵抗体より
も甑れている。
In this way, the nonlinear resistor of the present invention obtained by the conventional method (nilled) does not contain alumina that changes the characteristics, has non-orthosaturation, and has a long lifespan (2, 1). As shown in the comparison, the non-linear resistor obtained by the conventional method is better than the one obtained by the conventional method.

上表はφ65×t22の非直線抵抗体の電気的緒特性を
示したものである。表(=おいてV+ +nAは、交流
抵抗分電fi1mA  流したときの電圧である。”、
)kJ    ’V1mえは10kA、1mAを流した
ときの電圧の比で、小さいもの程高性能である。σは繰
返し製造した1000個(二対するVlmAのばらつき
を表わす。放電銅被は2mAの方形波電流を5回流し、
破壊した電流値(二おける消費エネルギーを単位体積あ
たり(二換算したものである。課亀寿6Nは周囲温[1
20’0でVIotAの100%の交流電圧を2000
時間印加した場合の交流抵抗分電流IRの変化率△IR
を表わしたもので、小さいものほど寿命が長いことを示
す。
The above table shows the electrical characteristics of a non-linear resistor of φ65×t22. In the table (=, V+ +nA is the voltage when an AC resistance distribution current fi1mA is applied.)
) kJ 'V1m is the ratio of voltage when 10kA and 1mA are applied, and the smaller the value, the higher the performance. σ represents the variation in VlmA for 1000 units (2 units) manufactured repeatedly.A square wave current of 2 mA was passed through the discharge copper plate 5 times,
The current value at which the breakdown occurred (the energy consumption per unit volume (2) is converted into 2).
At 20'0, the 100% AC voltage of VIotA is 2000
Rate of change of AC resistance current IR when time is applied △IR
The smaller the value, the longer the lifespan.

(f)  発明の効果 ZnO焼結体を粉砕媒体とした不製造方法(−おいては
、ZnO焼結体の摩耗(二よるZnOの混入の址は、先
(二配合した主成分のZnOの量が多いため粉末の製造
組成比を変えるほどではなく問題にならない。
(f) Effects of the invention In the non-manufacturing method using a ZnO sintered body as a grinding medium, the contamination of ZnO due to the abrasion of the ZnO sintered body (2) is caused by Since the amount is large, it is not enough to change the manufacturing composition ratio of the powder, so it is not a problem.

本発明(二よれば高性能の非直線抵抗体が安定(二製造
でき、工業的な価値が犬なるものである。
According to the present invention, a high performance non-linear resistor can be produced stably and has great industrial value.

Claims (1)

【特許請求の範囲】[Claims] 主成分のZn0(1少なくとも一種以上の金属酸化物を
添加混合し、この混合物を成形焼結してなる非直線抵抗
体の製造方法(二おいて、前記混合の際球状のZnO焼
結体ととも(=前記混合物を混合すること(二より、こ
の混合物を粉砕、混合することを特徴とする非直線抵抗
体の製造方法。
A method for producing a non-linear resistor by adding and mixing the main component Zn0 (1) with at least one metal oxide, and forming and sintering this mixture (2) a method for producing a non-linear resistor by adding and mixing at least one metal oxide (2). A method for manufacturing a non-linear resistor, characterized by: mixing the mixture (secondly, pulverizing and mixing the mixture).
JP57107655A 1982-06-24 1982-06-24 Method of producing nonlinear resistor Pending JPS58225603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57107655A JPS58225603A (en) 1982-06-24 1982-06-24 Method of producing nonlinear resistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57107655A JPS58225603A (en) 1982-06-24 1982-06-24 Method of producing nonlinear resistor

Publications (1)

Publication Number Publication Date
JPS58225603A true JPS58225603A (en) 1983-12-27

Family

ID=14464678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57107655A Pending JPS58225603A (en) 1982-06-24 1982-06-24 Method of producing nonlinear resistor

Country Status (1)

Country Link
JP (1) JPS58225603A (en)

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