surge protector
A technology of surge voltage and protectors, which is applied in the direction of overvoltage arresters, circuits, and electrical components using spark gaps, which can solve the problems of additional expenditures and additional costs related to structural space, and achieve the effect of small induced voltage components
Active Publication Date: 2018-07-17
PHOENIX CONTACT GMBH & CO KG
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- Description
- Claims
- Application Information
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Problems solved by technology
These additional measures require additional installation space and involve additional outlays and thus additional costs
Method used
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[0025] These two figures show a preferred embodiment of the surge voltage protector 1 of the present invention, wherein, in figure 1 The longitudinal section view of the assembled surge voltage protector 1 is shown in figure 2 An exploded view of the surge protector 1 is shown in . The surge voltage protector 1 of the present invention is especially arranged and used between the neutral conductor N and the potential compensation PE, therefore, the surge voltage protector 1 has a surge current leakage capability as high as 100kA10 / 350μs. In addition, grid freewheeling up to about 100A can be reliably eliminated.
[0026] The surge protector 1 has a cylindrical housing 2 which is made of metal, preferably steel. The housing 2 here consists of several parts, namely a cylindrical first housing part 2a and two housing covers 2b, 2c, which are located on two opposite sides of the cylindrical first housing part 2a. is screwed into the first housing part at the open end side. As ...
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The description provides a surge voltage protector used in a power supply unit of a low voltage power network. The surge voltage protector is provided with a metal housing (2), two electrodes (3,4) which are oppositely arranged in the axial direction, an electric arc ignition chamber (5) and at least one resistance igniter(6) which are inside the housing (2) and between the two electrodes (3,4), and an auxiliary igniting mechanism of a voltage switch member (7), wherein the ingiter(6) is connected with the electric arc ignition chamber (5) and is electrically connected with the housing (2) in one side and is electrically connected with the second electrode (4) in the other side; the voltage switch member (7)is electrically connected with the first electrode (3) in one side and is electrically connected with the housing in the other side; and a spark space is formed between the two electrodes (3,4) so that electric arc presents in the electric arc ignition chamber (5) when the spark space is ignited between the two electrodes (3,4). According to the surge voltage protector, the risk of surge voltage protector being endangered due to surge voltage protector damage or overloading is reduced; the voltage switch member(7) is arranged between the first electrode (3) and the housing (2), and there is some distance between the voltage switch member(7) and the electrode arc ignition chamber(5).
Description
technical field [0001] The invention relates to a surge protector for use in a power supply device of a low-voltage network, which has a metal housing, two axially opposite electrodes, an arc ignition chamber formed in the housing between the two electrodes and an ignition aid having at least one resistive ignition element and a voltage switching element, wherein the ignition element is connected to the arc ignition chamber and is electrically conductively connected on one side to the housing and on the other side to the second electrode, And the voltage switching element is conductively connected on one side to the first electrode and on the other side to the housing, forming a spark gap between said two electrodes, so that when the spark gap between the two electrodes is ignited, the An arc occurs within the arc ignition chamber. Background technique [0002] In the low-voltage power grid, the surge voltage protector based on the spark gap is usually used for surge voltag...
Claims
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IPC IPC(8): H01T2/02H01T4/02H01T4/12H01T1/20H01T15/00
CPCH01T1/20H01T2/02H01T4/02H01T4/04H01T4/12
Inventor M.迪泰特T.迈尔
Owner PHOENIX CONTACT GMBH & CO KG