CN101710150B - Interlocking method for carrying out direct electricity check to cable chamber of high voltage switch cabinet - Google Patents
Interlocking method for carrying out direct electricity check to cable chamber of high voltage switch cabinet Download PDFInfo
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- CN101710150B CN101710150B CN2009101960642A CN200910196064A CN101710150B CN 101710150 B CN101710150 B CN 101710150B CN 2009101960642 A CN2009101960642 A CN 2009101960642A CN 200910196064 A CN200910196064 A CN 200910196064A CN 101710150 B CN101710150 B CN 101710150B
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- cable vault
- switch cabinet
- electromagnetic lock
- door
- cable chamber
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Abstract
The invention discloses an interlocking method for carrying out direct electricity check to cable chamber of high voltage switch cabinet, comprising the following steps: when a cable chamber of a high voltage switch cabinet is powered on at a high voltage, an electriferous display auxiliary contact is powered off to cause a magnet exciting coil to be powered off so that a lock tongue of an electromagnetic lock pops up and runs throughout an interlocking hole of a door of the cable chamber to lock the door of the cable chamber; when the electriferous display of the circuit detects that no electricity passes through the cable chamber of high voltage, the auxiliary contact of the electriferous display is closed to enable a power source of the magnet exciting coil of the electromagnetic lock to be powered on so that the lock tongue of the electromagnetic lock is absorbed in and exits from the interlocking hole of the door of the cable chamber; the door of the cable chamber is opened right now to allow the direct electricity check to the interior of the cable chamber. The invention provides simple, convenient and reliable interlocking method which is convenient to carry out the direct electricity check to the cable chamber of the high voltage switch cabinet so as to prevent serious accident of closing a grounding switch by error.
Description
Technical field:
The present invention relates to a kind of interlocking method that is used for high-tension switch cabinet cable vault door, particularly a kind of interlocking method of being convenient to the high-tension switch cabinet cable vault is carried out direct electrical verification.
Background technology:
The cable segment connector of high-tension switch cabinet is safeguarded the grounding switch that must close when repairing, and must not have electricity to guarantee safety by the bright cable vault of priori high pressure before the grounding switch that closes.But do not open cable vault's door earlier and can't carry out direct electrical verification inside, cable vault.Present high-tension switch cabinet adopts the circuit electrification display that the cable vault is carried out indirect electrical verification, according to indirect electrical verification results operation grounding switch.There is bigger potential safety hazard in this mode, if the electrification display link has problem the major accident of charged mistake splice grafting ground switch possibly occur.
Summary of the invention:
Technical matters to be solved by this invention is: present high-tension switch cabinet adopts the circuit electrification display that there is bigger potential safety hazard in the mode that the cable vault carries out indirect electrical verification, if the electrification display link has problem the major accident of charged mistake splice grafting ground switch possibly occur.It is a kind of that the present invention provides, simple to operate, and result of use well effectively is convenient to the high-tension switch cabinet cable vault is carried out the interlocking method of direct electrical verification.
The present invention can realize through following method:
A kind of interlocking method that the high-tension switch cabinet cable vault is carried out direct electrical verification, it may further comprise the steps:
(1) high-tension switch cabinet cable vault height is pressed with electricity, and circuit electrification display auxiliary contact outages makes the field coil no power of electromagnetic lock, and the dead bolt of electromagnetic lock ejects the interlocking hole of passing cable vault's door, and cable vault's door lock is lived;
(2) when circuit electrification display in the high-tension switch cabinet detects cable vault's high pressure and do not have electricity, its auxiliary contact are closed, make the field coil energising of electromagnetic lock, and the dead bolt of electromagnetic lock is sucked into, and withdraws from the interlocking hole of cable vault's door;
(3) open cable vault's door, direct electrical verification is carried out in inside, cable vault.
Further, can also promote dead bolt in the said step (2) and carry out manual unlocking.
Beneficial effect through above operation is: easy and reliable and effective interlocking method is provided, is convenient to the high-tension switch cabinet cable vault is carried out direct electrical verification, to prevent the major accident of mistake splice grafting ground switch.
Description of drawings:
Further specify the present invention below in conjunction with accompanying drawing and embodiment.
Fig. 1 is a process flow diagram of the present invention.
Fig. 2 is the electric-magnetic lock structural scheme of mechanism of high-tension switch cabinet cable vault door.
Fig. 3 is the cut-open view of Fig. 2 in the A-A direction.
Fig. 4 is the circuit connection diagram of electric-magnetic lock mechanism.
Embodiment:
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
Because present high-tension switch cabinet adopts the circuit electrification display that there is bigger potential safety hazard in the mode that the cable vault carries out indirect electrical verification, particularly the electrification display link has problem the problem of the major accident of charged mistake splice grafting ground switch possibly occur.
The present invention is directed to this problem, provide a kind of simple to operate, the interlocking method that can carry out direct electrical verification that result of use is good the high-tension switch cabinet cable vault.This method is implemented based on the high-tension switch cabinet that cable vault's door has electric-magnetic lock mechanism.
As shown in Figures 2 and 3, the high-tension switch cabinet that the present invention is based on enforcement comprises the auxiliary contact 8 of switch cabinet body 1, cable vault's door 2, electromagnetic lock 3, installing plate 4, dead bolt 5, interlocking hole 6, electromagnetic lock field coil 7, electrification display.Electromagnetic lock 3 is contained in the position of switch cabinet body 1 place near cable vault's door 2 through installing plate 4, and makes that the dead bolt 5 on the electromagnetic lock 3 is relative with the interlocking hole 6 that is arranged on cable vault's door 2.
Referring to Fig. 4, the electromagnetic lock field coil 7 on the electromagnetic lock 3 is connected with the auxiliary contact 8 on the electrification display, makes electromagnetic lock field coil 7 action powers supplied with by the switch cubicle mains lighting supply.Because the auxiliary contact of circuit electrification display 8 are in series with electromagnetic lock field coil 7, thereby the disconnection of auxiliary contact 8 that can be through electrification display realizes the automatic control function for electromagnetic lock 3 with closed.
Have the high-tension switch cabinet of electric-magnetic lock mechanism based on above-mentioned cable vault's door, the interlocking method that the high-tension switch cabinet cable vault is carried out direct electrical verification provided by the invention, implementation step is (referring to Fig. 1) as follows:
(1) high-tension switch cabinet cable vault height is pressed with electricity, and electrification display auxiliary contact 8 outages in the high-tension switch cabinet make that the field coil 7 of electromagnetic lock 3 is obstructed.The dead bolt 5 of electromagnetic lock 3 ejects the interlocking hole 6 of passing cable vault's door, and the cable vault is pinned.
(2) when the circuit electrification display detects cable vault's high pressure and do not have electricity, its auxiliary contact 8 closures are connected electromagnetic lock field coil 7 power supplys, and the dead bolt 5 of electromagnetic lock 3 is sucked into, and withdraws from the interlocking hole 6 of cable vault's door.
(3) open cable vault's door, direct electrical verification is carried out in inside, cable vault.
Can also promote dead bolt 5 when in step (2), needing simultaneously and carry out manual unlocking.
The principle that such scheme is implemented is, the power supply of electromagnetic lock field coil 7 adopts the illuminating 220V AC power of switch cubicle to supply with, and the auxiliary contact 8 with the circuit electrification display are in series with electromagnetic lock field coil 7 simultaneously.When cable vault's height was pressed with electricity, electrification display auxiliary contact 8 broke off, so electromagnetic lock field coil 7 no powers, and the dead bolt 5 of electromagnetic lock 3 is in ejected position and with cable vault's door locking; When cable vault's high pressure does not have electricity, dead bolt 5 indentations of 7 energisings of electrification display auxiliary contact 8 closures, electromagnetic lock field coil, electromagnetic lock 3 and remove locking to cable vault's door; When blocking device when wherein any one link goes wrong, also can carry out manual unlocking through promoting dead bolt.
This method is implemented simple, relies on the electric-magnetic lock mechanism automatic blocking of high safety, the function of release, can realize the direct electrical verification to the high-tension switch cabinet cable vault, prevents the generation of the major accident of mistake splice grafting ground switch.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the instructions just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (2)
1. interlocking method that the high-tension switch cabinet cable vault is carried out direct electrical verification is characterized in that it may further comprise the steps:
(1) the electromagnetic lock field coil on the electromagnetic lock in the high-tension switch cabinet is connected with the auxiliary contact on the circuit electrification display, makes electromagnetic lock field coil action power supplied with by the switch cubicle mains lighting supply;
(2) high-tension switch cabinet cable vault height is pressed with electricity, and the outage of auxiliary contact on the circuit electrification display makes the field coil no power of electromagnetic lock, and the dead bolt of electromagnetic lock ejects the interlocking hole of passing cable vault's door, and cable vault's door lock is lived;
(3) when circuit electrification display in the high-tension switch cabinet detects cable vault's high pressure and do not have electricity, its auxiliary contact are closed, make the field coil energising of electromagnetic lock, and the dead bolt of electromagnetic lock is sucked into, and withdraws from the interlocking hole of cable vault's door;
(4) open cable vault's door, direct electrical verification is carried out in inside, cable vault.
2. a kind of interlocking method that the high-tension switch cabinet cable vault is carried out direct electrical verification according to claim 1 is characterized in that, can also promote dead bolt in the said step (3) and carry out manual unlocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101960642A CN101710150B (en) | 2009-09-22 | 2009-09-22 | Interlocking method for carrying out direct electricity check to cable chamber of high voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101960642A CN101710150B (en) | 2009-09-22 | 2009-09-22 | Interlocking method for carrying out direct electricity check to cable chamber of high voltage switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101710150A CN101710150A (en) | 2010-05-19 |
| CN101710150B true CN101710150B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101960642A Active CN101710150B (en) | 2009-09-22 | 2009-09-22 | Interlocking method for carrying out direct electricity check to cable chamber of high voltage switch cabinet |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222866B (en) * | 2011-06-15 | 2014-04-16 | 宁波电业局 | Simple electricity testing device for 35-kilovolt handcart switching circuit |
| CN102222863B (en) * | 2011-06-15 | 2014-04-16 | 宁波电业局 | Simple electricity testing device for 10-kilovolt handcart switching circuit |
| CN111600218A (en) * | 2020-06-17 | 2020-08-28 | 安徽万华电气股份有限公司 | High-low voltage switch cabinet wire protection device and use method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071377U (en) * | 1990-06-15 | 1991-02-13 | 刘克俭 | Automatic interlocking controlling device for anti-wrongly operation of high voltage switch apparatus |
| CN2144880Y (en) * | 1992-08-11 | 1993-10-27 | 邯郸矿务局康城煤矿 | Inverse power transmission locking device for high voltage switch cabinet |
| EP0904473A1 (en) * | 1996-05-23 | 1999-03-31 | Paolo Potenziani | Electronic apparatus for the electromagnetic release of a lock |
| CN2411607Y (en) * | 1998-05-20 | 2000-12-20 | 四川联合大学 | Anti-misoperating warner for high-voltage switch cubicle handcart |
| US6313635B1 (en) * | 1999-12-03 | 2001-11-06 | Illinois Tool Works Inc. | High voltage sensor assembly |
| CN2595025Y (en) * | 2002-12-25 | 2003-12-24 | 上海海灵动力工程研究所 | Inductive high-voltage charge display locking device |
| CN1680677A (en) * | 2004-04-11 | 2005-10-12 | 宁波天安集团互感器有限公司 | Passive electromagnetic lock |
| CN2908707Y (en) * | 2006-05-24 | 2007-06-06 | 衢州市申源电器有限公司 | Safety locking device for indoor high tension switch cabinet |
| DE202007013185U1 (en) * | 2007-09-20 | 2009-02-12 | Moeller Gmbh | Additional operating device for an electromechanical switching device |
-
2009
- 2009-09-22 CN CN2009101960642A patent/CN101710150B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071377U (en) * | 1990-06-15 | 1991-02-13 | 刘克俭 | Automatic interlocking controlling device for anti-wrongly operation of high voltage switch apparatus |
| CN2144880Y (en) * | 1992-08-11 | 1993-10-27 | 邯郸矿务局康城煤矿 | Inverse power transmission locking device for high voltage switch cabinet |
| EP0904473A1 (en) * | 1996-05-23 | 1999-03-31 | Paolo Potenziani | Electronic apparatus for the electromagnetic release of a lock |
| CN2411607Y (en) * | 1998-05-20 | 2000-12-20 | 四川联合大学 | Anti-misoperating warner for high-voltage switch cubicle handcart |
| US6313635B1 (en) * | 1999-12-03 | 2001-11-06 | Illinois Tool Works Inc. | High voltage sensor assembly |
| CN2595025Y (en) * | 2002-12-25 | 2003-12-24 | 上海海灵动力工程研究所 | Inductive high-voltage charge display locking device |
| CN1680677A (en) * | 2004-04-11 | 2005-10-12 | 宁波天安集团互感器有限公司 | Passive electromagnetic lock |
| CN2908707Y (en) * | 2006-05-24 | 2007-06-06 | 衢州市申源电器有限公司 | Safety locking device for indoor high tension switch cabinet |
| DE202007013185U1 (en) * | 2007-09-20 | 2009-02-12 | Moeller Gmbh | Additional operating device for an electromechanical switching device |
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|---|---|
| CN101710150A (en) | 2010-05-19 |
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