发明名称 |
High-voltage disconnect switch |
摘要 |
A disconnect switch for high-voltage installations is disclosed. The switch includes a pair of hollow contacts, one of which is movable, disposed in a grounded metallic housing filled with compressed gas. A spring-loaded contact-breaking pin is provided in one of the hollow contacts. The pin is provided at its free end with a recess which is engaged in the "on" position of the switch by a ratchet device pivotally disposed in the other contact. During movement of the movable contact toward the "off" position of the switch, the contact-breaking pin remains in contact with the ratchet device. The mechanically controlled ratchet device releases the contact-breaking pin at a given position of the movable contact. The contact-breaking pin is then returned by its spring into its hollow contact with a velocity greater than that of the movable contact. Any arc which may be generated between the ratchet device and the contact-breaking pin is thereby quickly quenched even though the disconnect switch is driven at a slow speed.
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申请公布号 |
US4445014(A) |
申请公布日期 |
1984.04.24 |
申请号 |
US19820383136 |
申请日期 |
1982.05.28 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
GRUNER, WERNER;KUMAR, SREENIVASAN S. |
分类号 |
H01H31/00;H01H31/32;H01H33/12;H01H33/64;(IPC1-7):H01H9/38 |
主分类号 |
H01H31/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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