Operating device or vacuum switch

Patent metadata

Field	Value
Publication number	US-9378913-B2
Application number	US-201314408714-A
Country	US
Kind code	B2
Filing date	Jun 3, 2013
Priority date	Jun 18, 2012
Publication date	Jun 28, 2016
Grant date	Jun 28, 2016

Abstract

The invention has an object to provide an operating device or vacuum switch which permits reduction in the overall height of the operating device and improves installation convenience. In order to solve the above problem, an operating device according to the present invention is characterized by including an electromagnet 14 located in a case 10 and fixed to the case 10 through a fixing part, a capacitor 16 located at an end in the case 10 , a control board 18 located opposite to the capacitor 16 across the electromagnet 14 , an auxiliary contact 34 located above the capacitor 16 , a movable part to move by a magnetic force generated from the electromagnet 14 , and a power transmission section to operate in conjunction with movement of the movable part. The capacitor 16 and the auxiliary contact 34 are located at heights not exceeding the height of the fixing part for fixing the electromagnet 14.

First claim

The invention claimed is:

1. An operating device comprising:
an electromagnet located in a case and fixed to the case through a fixing part;
a capacitor located at an end in the case;
a control board located opposite to the capacitor across the electromagnet;
an auxiliary contact located above the capacitor;
a movable part to move by a magnetic force generated from the electromagnet; and
a power transmission section to operate in conjunction with movement of the movable part, wherein
the capacitor and the auxiliary contact are located at heights not exceeding height of the fixing part for fixing the electromagnet.

2. The operating device according to claim 1 , wherein
the capacitor includes a plurality of capacitors, all the capacitors are arranged side by side in a horizontal direction, a movable electrode is operated through movement of the movable part so that switching to an open state or a closed state with respect to a fixed electrode is performed.

3. The operating device according to claim 2 , wherein
the number of capacitors is three.

4. The operating device according to claim 1 , wherein
the power transmission section includes a shaft to move through movement of the movable part and the movable electrode is moved according to movement of the shaft;
another power transmission section is connected to the shaft;
a rod is connected to the other power transmission section and the rod is moved according to movement of the shaft through the other power transmission section; and
a display plate which changes display according to movement of the rod is provided and the display plate indicates whether the movable electrode is in a closed state or an open state with respect to the fixed electrode.

5. The operating device according to claim 1 , wherein
the auxiliary contact is supported by a support plate; and
an area between the capacitor and the auxiliary contact is partitioned by the support plate.

6. The operating device according to claim 5 , wherein
a lateral surface of the capacitor is fixed to a supporting member and the supporting member is supported by the case;
a bottom plate is provided on a bottom of the case; and
a space larger than distance from the bottom plate to an upper end of the supporting member is formed between the capacitor and the support plate.

7. The operating device according to claim 5 , wherein
a lateral surface of the capacitor is fixed to a supporting member and the supporting member is supported by the case; and
a space larger than height of the capacitor is formed between an upper end of the capacitor and the support plate.

8. A vacuum switch comprising:
the operating device according to claim 1 ;
a movable electrode operated through movement of the movable part;
a fixed electrode located opposite to the movable electrode;
a vacuum container housing the movable electrode and the fixed electrode; and
a bus or cable connected to either the movable electrode or the fixed electrode through a conductor.

9. The operating device according to claim 2 , wherein
the power transmission section includes a shaft to move through movement of the movable part and the movable electrode is moved according to movement of the shaft;
another power transmission section is connected to the shaft;
a rod is connected to the other power transmission section and the rod is moved according to movement of the shaft through the other power transmission section; and
a display plate which changes display according to movement of the rod is provided and the display plate indicates whether the movable electrode is in a closed state or an open state with respect to the fixed electrode.

10. The operating device according to claim 3 , wherein
the power transmission section includes a shaft to move through movement of the movable part and the movable electrode is moved according to movement of the shaft;
another power transmission section is connected to the shaft;
a rod is connected to the other power transmission section and the rod is moved according to movement of the shaft through the other power transmission section; and
a display plate which changes display according to movement of the rod is provided and the display plate indicates whether the movable electrode is in a closed state or an open state with respect to the fixed electrode.

11. The operating device according to claim 2 , wherein
the auxiliary contact is supported by a support plate; and
an area between the capacitor and the auxiliary contact is partitioned by the support plate.

12. The operating device according to claim 3 , wherein
the auxiliary contact is supported by a support plate; and
an area between the capacitor and the auxiliary contact is partitioned by the support plate.

13. The operating device according to claim 11 , wherein
a lateral surface of the capacitor is fixed to a supporting member and the supporting member is supported by the case;
a bottom plate is provided on a bottom of the case; and
a space larger than distance from the bottom plate to an upper end of the supporting member is formed between the capacitor and the support plate.

14. The operating device according to claim 12 , wherein
a lateral surface of the capacitor is fixed to a supporting member and the supporting member is supported by the case;
a bottom plate is provided on a bottom of the case; and
a space larger than distance from the bottom plate to an upper end of the supporting member is formed between the capacitor and the support plate.

15. The operating device according to claim 11 , wherein
a lateral surface of the capacitor is fixed to a supporting member and the supporting member is supported by the case; and
a space larger than height of the capacitor is formed between an upper end of the capacitor and the support plate.

16. The operating device according to claim 12 , wherein
a lateral surface of the capacitor is fixed to a supporting member and the supporting member is supported by the case; and
a space larger than height of the capacitor is formed between an upper end of the capacitor and the support plate.

17. A vacuum switch comprising:
the operating device according to claim 2 ;
a movable electrode operated through movement of the movable part;
a fixed electrode located opposite to the movable electrode;
a vacuum container housing the movable electrode and the fixed electrode; and
a bus or cable connected to either the movable electrode or the fixed electrode through a conductor.

18. A vacuum switch comprising:
the operating device according to claim 3 ;
a movable electrode operated through movement of the movable part;
a fixed electrode located opposite to the movable electrode;
a vacuum container housing the movable electrode and the fixed electrode; and
a bus or cable connected to either the movable electrode or the fixed electrode through a conductor.

19. A vacuum switch comprising:
the operating device according to claim 4 ;
a movable electrode operated through movement of the movable part;
a fixed electrode located opposite to the movable electrode;
a vacuum container housing the movable electrode and the fixed electrode; and
a bus or cable connected to either the movable electrode or the fixed electrode through a conductor.

20. A vacuum switch comprising:
the operating device according to any claim 5 ;
a movable electrode operated through movement of the movable part;
a fixed electrode located opposite to the movable electrode;

Assignees

• Hitachi Ltd

Inventors

• Sato Takashi
• Morita Ayumu
• Tsuchiya Kenji
• Yabu Masato
• Nakazawa Akio
• Kawakami Hisao
• Yokosuka Shigeru
• Seya seiji

Classifications

• H01H2205/002

  fixed to operating part · CPC title

• H01H9/0066

  Auxiliary contact devices (for arc transfer H01H9/38; for electromagnetic relays H01H50/541) · CPC title

• H01H50/64

  Driving arrangements between movable part of magnetic circuit and contact (structurally associated with contact spring sets H01H50/58) · CPC title

• H01H50/60

  moving contact being rigidly combined with movable part of magnetic circuit {(for polarised relays H01H51/2254, H01H51/2281)} · CPC title

• H01H33/6662 Primary

  using bistable electromagnetic actuators, e.g. linear polarised electromagnetic actuators · CPC title