JPH0169337U

JPH0169337U -

Info

Publication number: JPH0169337U
Application number: JP1987164378U
Authority: JP
Priority date: 1987-10-27
Filing date: 1987-10-27
Publication date: 1989-05-09
Anticipated expiration: 2002-10-27
Also published as: JPH051958Y2

Description

[Brief explanation of the drawing]

第１図は、本考案による保安機構付サージ吸収
素子の正面図、第２図はその回路図であり、第３
図Ａ及びＢは、それぞれ保安機構付サージ吸収素
子を構成するサージ吸収素子の断面図及び要部分
解斜視図である。１……保安機構付サージ吸収素子、２……抵抗
器、３……ヒユーズ、４……基板、１０……サー
ジ吸収素子、１２……放電間隙、１３……気密容
器、２０……サージ吸収素子、２１……電圧非直
線抵抗体、２２，２２……電極、２２ｂ，２２ｂ
……基部、２２ｃ，２２ｃ……側壁部、２３……
放電間隙、２４……気密容器。 FIG. 1 is a front view of the surge absorbing element with safety mechanism according to the present invention, FIG. 2 is its circuit diagram, and FIG.
Figures A and B are a cross-sectional view and an exploded perspective view of a main part, respectively, of a surge absorbing element that constitutes a surge absorbing element with a safety mechanism. 1...Surge absorption element with safety mechanism, 2...Resistor, 3...Fuse, 4...Substrate, 10...Surge absorption element, 12...Discharge gap, 13...Airtight container, 20...Surge absorption Element, 21... Voltage nonlinear resistor, 22, 22... Electrode, 22b, 22b
...Base, 22c, 22c...Side wall part, 23...
Discharge gap, 24...airtight container.

Claims

[Claims for Utility Model Registration] (1) A surge absorbing element with a safety mechanism, which comprises a resistor and a fuse connected in parallel, and connected in series to a surge absorbing element whose discharge gap is sealed in an airtight container. (2) The surge absorption element with a safety mechanism according to claim 1 of the utility model registration, characterized in that a fuse is wound around and integrated with a resistor. (3) The surge absorbing element with a safety mechanism according to claim 1 or 2 of the utility model registration claim, characterized in that the surge absorbing element, the resistor, and the fuse are integrated into a substrate. (4) As stated in any one of claims 1 to 3 of the claims for utility model registration, characterized in that the allowable current value of the fuse is set to 0.5 [A] to 0.8 [A]. Surge absorption element with safety mechanism. (5) The resistance value of the resistor is between 500 [KΩ] and 2 [KΩ].
MΩ], the surge absorbing element with a safety mechanism according to any one of claims 1 to 4 of the claims registered as a utility model. (6) The safety mechanism according to any one of claims 1 to 5 of the utility model registration claim, wherein the surge absorbing element has a parallel connection structure of a discharge gap and a voltage nonlinear resistor. Surge absorption element. (7) The surge absorbing element connects a cap-shaped electrode with a side wall raised from the periphery of the base by covering both sides of a voltage nonlinear resistor so as to cover the resistor. with the tip of the part facing the voltage nonlinear resistor in a space separated by a predetermined distance,
A discharge gap is formed so that an excited discharge occurs when the voltage between both surfaces of the voltage nonlinear resistor exceeds a predetermined value, and the discharge is caused to occur on the outer surface of the side wall of the electrode as the discharge current increases. A request for registration of a utility model characterized in that the electrode has a structure in which the distance between the inner surface of the side wall part of the electrode and the voltage nonlinear resistor is set and the voltage nonlinear resistor is sealed in an airtight container so that a main discharge is formed by transferring between the electrodes. A surge absorption element with a safety mechanism according to item 6.