CN104167712A - Automatic brake-opening protective device for loss of voltage of high-tension switch board high-voltage power source - Google Patents
Automatic brake-opening protective device for loss of voltage of high-tension switch board high-voltage power source Download PDFInfo
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- CN104167712A CN104167712A CN201410413615.7A CN201410413615A CN104167712A CN 104167712 A CN104167712 A CN 104167712A CN 201410413615 A CN201410413615 A CN 201410413615A CN 104167712 A CN104167712 A CN 104167712A
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Abstract
The invention belongs to the technical field of automatic brake-opening protection devices, particularly relates to an automatic brake-opening protective device for loss of voltage of a high-tension switch board high-voltage power source. The device mainly solves the technical problem that due to the fact that a manual brake opening method is adopted for loss of voltage of an existing high-tension switch board high-voltage power source, great production accidents are caused easily. According to the technical scheme, the automatic brake-opening protective device for loss of voltage of the high-tension switch board high-voltage power source comprises a UPS power source, a switch 1DK, a switch 2DK, a line protective device working power source switch DK1, a control circuit power source switch DK2, a far-near control selective switch ZK, a manual brake-closing switch KK1, a manual brake-opening switch KK2, a line protective device, a high-pressure locking device, a brake-opening coil TQ and a brake-closing coil HQ; the automatic brake-opening protective device further comprises a high-voltage power source protective relay GSYJ for loss of voltage. The automatic brake-opening protective device has the advantages that automatic brake-opening protection for loss of voltage of the high-tension switch board high-voltage power source is achieved.
Description
Technical field
The invention belongs to automatic brake separating protective device technical field, be specifically related to a kind of high-tension switch cabinet high voltage source decompression automatic brake separating protective device.
Background technology
What the high-pressure vacuum breaker that current domestic high-tension switch cabinet is used substantially all adopted is that electric switch-on, electronic separating brake are controlled, and possesses local operation and remote operation; After high voltage source decompression, no matter the separating brake of high-tension switch cabinet is controlled is that local operation or remote operation are all by manual operation separating brake.High-tension switch cabinet occurs after high voltage source decompression, owing to not possessing the automatic brake separating protection of high voltage source decompression, if there is no timely manual operation separating brake; when high voltage source restores electricity; load is because not having and main power circuit disconnection, and the unexpected operation work of meeting, causes great production accident.
Summary of the invention
The object of the invention is to solve existing high-tension switch cabinet high voltage source decompression and adopt manual operation separating brake method to have the technical problem that easily causes great production accident, a kind of high-tension switch cabinet high voltage source decompression automatic brake separating protective device is provided.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of high-tension switch cabinet high voltage source decompression automatic brake separating protective device, comprise ups power, switch 1DK, switch 2DK, line protective devices working power switch DK1, control loop mains switch DK2, far and near control selector switch ZK, closing by hand K switch K1, manual brake separating K switch K2, line protective devices, high pressure locking, switching winding TQ and closing coil HQ, wherein: it also comprises high voltage source o-volt protection relay GSYJ, the output YMa of 110 volts of AC power of the coil of described high voltage source o-volt protection relay GSYJ and high-tension switch cabinet high voltage potential transformer secondary side is connected with YMc, the moving contact of high voltage source o-volt protection relay GSYJ and the far and near 2. end of controlling selector switch ZK, the 1. end of closing by hand K switch K1 is connected with the 3. end of manual brake separating K switch K2, the fixed contact of high voltage source o-volt protection relay GSYJ is connected with 93 ends of line protective devices with the 4. end of manual brake separating K switch K2.
Compare with background technology, the present invention has the following advantages:
1) output by high voltage potential transformer secondary side can move and monitor high pressure main power source timely and effectively.
2) when power supply decompression appears in high pressure, the present invention is automatic brake separating timely, disconnects main power source and load circuit, has effectively guaranteed the safety of personnel and equipment.
3) the present invention not only can control the separating brake of separate unit high-tension switch cabinet, and can control many high-tension switch cabinets high pressure decompression separating brake of paired running simultaneously simultaneously, and the components and parts of use are few, failure rate is low, and security performance is high.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
Embodiment
As described in accompanying drawing, a kind of high-tension switch cabinet high voltage source decompression automatic brake separating protective device in the present embodiment, comprise ups power, switch 1DK, switch 2DK, line protective devices working power switch DK1, control loop mains switch DK2, far and near control selector switch ZK, closing by hand K switch K1, manual brake separating K switch K2, line protective devices (DMR201P), high pressure locking, switching winding TQ and closing coil HQ, wherein: it also comprises high voltage source o-volt protection relay GSYJ, the output YMa of 110 volts of AC power of the coil of described high voltage source o-volt protection relay GSYJ and high-tension switch cabinet high voltage potential transformer secondary side is connected with YMc, the input of described ups power is connected with 220 volts of AC power, the 1. end of switch 1DK and 3. end, 1. switch 2DK holds and 3. holds and be connected with the output of ups power, the 2. end of switch 1DK is connected with the 1. end of control loop mains switch DK2 with the 1. end of line protective devices working power switch DK1, the 4. end of switch 1DK is connected with the 3. end of control loop mains switch DK2 with the 3. end of line protective devices working power switch DK1, 2. switch 2DK holds and 4. holds and be connected with the motor of tank circuit, the 2. end of line protective devices working power switch DK1 is connected with 101 ends of line protective devices, the 2. end of control loop mains switch DK2 is connected with the 1. end of far and near control selector switch ZK with 94 ends of line protective devices, the 2. end of far and near control selector switch ZK and the 1. end of closing by hand K switch K1, the 3. end of manual brake separating K switch K2 is connected with the moving contact of high voltage source o-volt protection relay, the 2. end of closing by hand K switch K1 is connected with 91 ends of line protective devices, the fixed contact of high voltage source o-volt protection relay GSYJ is connected with 93 ends of line protective devices with the 4. end of manual brake separating K switch K2, 102 ends of line protective devices are connected with the 4. end of line protective devices working power switch DK1, 4. 95 ends of line protective devices and control loop mains switch DK2 hold, the first end of closing coil HQ is connected with the first end of switching winding TQ, 90 ends of line protective devices are connected with the CZ23 of high pressure locking end, the CZ33 end of high pressure locking is connected with the second end of closing coil HQ, 92 ends of line protective devices are connected with the second end of switching winding TQ, the 4. end of control loop mains switch DK2 is connected with the first end of switching winding TQ with the first end of closing coil HQ.
The course of work of the present invention is: YMa, YMc two-phase AC110V power supply are taken from high pressure o-volt protection, meet high voltage source o-volt protection relay GSYJ; When high tension loop is powered when normal, YMa, YMc high voltage potential transformer secondary side output AC110V, high voltage source o-volt protection relay GSYJ adhesive, the normally closed point of its auxiliary contact disconnects, and sub-gate circuit must not electricity; After the power-off of high tension loop decompression; high-voltage mutual inductor secondary side YMa, YMc output AC110V dead electricity; high voltage source o-volt protection relay GSYJ discharges; its auxiliary contact is normally closed closed; high pressure sub-gate circuit is connected; switching winding TQ obtains electric separating brake, has realized the protection of high voltage source decompression automatic brake separating.
Claims (1)
1. a high-tension switch cabinet high voltage source decompression automatic brake separating protective device, comprise ups power, switch 1DK, switch 2DK, line protective devices working power switch DK1, control loop mains switch DK2, far and near control selector switch ZK, closing by hand K switch K1, manual brake separating K switch K2, line protective devices, high pressure locking, switching winding TQ and closing coil HQ, it is characterized in that: it also comprises high voltage source o-volt protection relay GSYJ, the output YMa of 110 volts of AC power of the coil of described high voltage source o-volt protection relay GSYJ and high-tension switch cabinet high voltage potential transformer secondary side is connected with YMc, the moving contact of high voltage source o-volt protection relay GSYJ and the far and near 2. end of controlling selector switch ZK, the 1. end of closing by hand K switch K1 is connected with the 3. end of manual brake separating K switch K2, the fixed contact of high voltage source o-volt protection relay GSYJ is connected with 93 ends of line protective devices with the 4. end of manual brake separating K switch K2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410413615.7A CN104167712A (en) | 2014-08-21 | 2014-08-21 | Automatic brake-opening protective device for loss of voltage of high-tension switch board high-voltage power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410413615.7A CN104167712A (en) | 2014-08-21 | 2014-08-21 | Automatic brake-opening protective device for loss of voltage of high-tension switch board high-voltage power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104167712A true CN104167712A (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410413615.7A Pending CN104167712A (en) | 2014-08-21 | 2014-08-21 | Automatic brake-opening protective device for loss of voltage of high-tension switch board high-voltage power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104167712A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490244A (en) * | 2018-03-30 | 2018-09-04 | 国家电网公司 | High-voltage metering cubicle decompression alarm device of air |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07284220A (en) * | 1994-04-08 | 1995-10-27 | Kajima Corp | Low voltage switching means with abnormal voltage protector |
| CN102354960A (en) * | 2011-09-28 | 2012-02-15 | 陈和娟 | Mine high-voltage vacuum power distribution protecting apparatus and control method |
| CN202737560U (en) * | 2012-08-06 | 2013-02-13 | 四川贝森电器自动化有限公司 | Voltage-loss protection circuit of dual-power wire incoming high-voltage switch cabinet |
| CN203690150U (en) * | 2013-12-12 | 2014-07-02 | 国家电网公司 | Opening and closing warning apparatus for remote-controlled switchgear |
| CN204089156U (en) * | 2014-08-21 | 2015-01-07 | 刘剑华 | A kind of high-tension switch cabinet high voltage source decompression automatic brake separating protective device |
-
2014
- 2014-08-21 CN CN201410413615.7A patent/CN104167712A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07284220A (en) * | 1994-04-08 | 1995-10-27 | Kajima Corp | Low voltage switching means with abnormal voltage protector |
| CN102354960A (en) * | 2011-09-28 | 2012-02-15 | 陈和娟 | Mine high-voltage vacuum power distribution protecting apparatus and control method |
| CN202737560U (en) * | 2012-08-06 | 2013-02-13 | 四川贝森电器自动化有限公司 | Voltage-loss protection circuit of dual-power wire incoming high-voltage switch cabinet |
| CN203690150U (en) * | 2013-12-12 | 2014-07-02 | 国家电网公司 | Opening and closing warning apparatus for remote-controlled switchgear |
| CN204089156U (en) * | 2014-08-21 | 2015-01-07 | 刘剑华 | A kind of high-tension switch cabinet high voltage source decompression automatic brake separating protective device |
Non-Patent Citations (1)
| Title |
|---|
| 刘剑华等: "主斜井10kV高压柜加装失压跳闸保护", 《实用技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490244A (en) * | 2018-03-30 | 2018-09-04 | 国家电网公司 | High-voltage metering cubicle decompression alarm device of air |
| CN108490244B (en) * | 2018-03-30 | 2024-03-19 | 国家电网公司 | Pressure-loss alarm device for high-pressure metering cabinet |
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Application publication date: 20141126 |
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