CN204089157U - A kind of high-tension switch cabinet low-tension supply decompression automatic brake separating protective device - Google Patents
A kind of high-tension switch cabinet low-tension supply decompression automatic brake separating protective device Download PDFInfo
- Publication number
- CN204089157U CN204089157U CN201420473302.6U CN201420473302U CN204089157U CN 204089157 U CN204089157 U CN 204089157U CN 201420473302 U CN201420473302 U CN 201420473302U CN 204089157 U CN204089157 U CN 204089157U
- Authority
- CN
- China
- Prior art keywords
- switch
- tension
- low
- tension supply
- brake separating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model belongs to automatic brake separating protective device technical field, is specifically related to a kind of high-tension switch cabinet low-tension supply decompression automatic brake separating protective device.The utility model mainly solves existing high-tension switch cabinet low-tension supply decompression and adopts manual operation separating brake method to there is the technical problem easily causing great production accident.The technical solution adopted in the utility model is: a kind of high-tension switch cabinet low-tension supply 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 low-tension supply o-volt protection relay DSYJ.The utility model has the advantage carrying out automatic brake separating protection to high-tension switch cabinet low-tension supply decompression.
Description
Technical field
The utility model belongs to automatic brake separating protective device technical field, is specifically related to a kind of high-tension switch cabinet low-tension supply decompression automatic brake separating protective device.
Background technology
What the electric switch-on of high-pressure vacuum breaker that current domestic high-tension switch cabinet uses, the coil control voltage of electronic separating brake adopted substantially is that low-tension supply controls, when after low-tension supply decompression, the separating brake of high-tension switch cabinet controls to be no matter that local operation or remote operation are all by manual operation separating brake.After there is low-tension supply decompression in high-tension switch cabinet; after high-pressure vacuum breaker does not possess low-tension supply decompression, high pressure automatic brake separating is protected; if there is no timely manual operation high pressure separating brake; high-voltage power-supply unit continues to run; low-voltage equipment quits work because of dead electricity; high-voltage operation equipment causes extensive damage can to the low pressure plant equipment of interlock, forms great production accident.
Summary of the invention
The purpose of this utility model solves existing high-tension switch cabinet low-tension supply decompression to adopt manual operation separating brake method to there is the technical problem easily causing great production accident, provides a kind of high-tension switch cabinet low-tension supply decompression automatic brake separating protective device.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of high-tension switch cabinet low-tension supply 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 low-tension supply o-volt protection relay DSYJ, the output of coil and high-tension switch cabinet low pressure inlet wire 220 volts of AC power of described low-tension supply o-volt protection relay DSYJ is connected, moving contact and the far and near 2. end controlling selector switch ZK of low-tension supply o-volt protection relay DSYJ, 1. the 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 low-tension supply o-volt protection relay DSYJ is connected with 93 ends of line protective devices with 4. holding of manual brake separating K switch K2.
Compared with background technology, the utility model has the following advantages:
1) in high-tension switch cabinet, take out low-tension supply, monitor the ruuning situation of low-tension supply timely and effectively.
2) when power supply decompression appears in low pressure, low-voltage protection circuit can control high pressure automatic brake separating timely, effectively ensure that running device safe shutdown.
3) not only can control the separating brake of separate unit high-tension switch cabinet, and can control the high pressure decompression separating brake of multiple stage high-tension switch cabinet simultaneously paired running simultaneously, the components and parts of use are few, failure rate is low, and security performance is high.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present utility model.
Embodiment
As as described in accompanying drawing, a kind of high-tension switch cabinet low-tension supply 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 low-tension supply o-volt protection relay DSYJ, the output of coil and high-tension switch cabinet low pressure inlet wire 220 volts of AC power of described low-tension supply o-volt protection relay DSYJ is connected, the input of described ups power is connected with the coil of low-tension supply o-volt protection relay DSYJ, 1. the end of switch 1DK and 3. holding, 1. the end of switch 2DK is connected with the output of ups power with 3. holding, 2. the end of switch 1DK is connected with the 1. end of control loop mains switch DK2 with 1. holding of line protective devices working power switch DK1, 4. the end of switch 1DK is connected with the 3. end of control loop mains switch DK2 with 3. holding of line protective devices working power switch DK1, 2. the end of switch 2DK is connected with the motor of tank circuit with 4. holding, 2. the end of line protective devices working power switch DK1 is connected with 101 ends of line protective devices, 2. the end of control loop mains switch DK2 is connected with the 1. end that distance controls selector switch ZK with 94 ends of line protective devices, moving contact and the far and near 2. end controlling selector switch ZK of low-tension supply o-volt protection relay DSYJ, 1. the end of closing by hand K switch K1 is connected with the 3. end of manual brake separating K switch K2, 2. the end of closing by hand K switch K1 is connected with 91 ends of line protective devices, the fixed contact of low-tension supply o-volt protection relay DSYJ is connected with 93 ends of line protective devices with 4. holding 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 and the control loop mains switch DK2 of line protective devices 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 held with the CZ23 of high pressure locking and are connected, the CZ33 end of high pressure locking is connected with second end of closing coil HQ, 92 ends of line protective devices are connected with second end of switching winding TQ, 4. the 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 utility model is: low pressure o-volt protection circuit takes from low-tension supply AC220V power supply in high-voltage board, meets low-tension supply o-volt protection relay DSYJ; When low tension loop is powered normal, low pressure o-volt protection power supply AC220V voltage is normal, DSYJ adhesive, the normally closed disconnection of its auxiliary contact, and high pressure sub-gate circuit must not be electric, and high tension loop, low tension loop normally run; After there is decompression power-off in low tension loop, low-tension supply AC220V dead electricity, ups power inversion exports AC220V and controls power supply, and 1DK exports AC220V to operation circuit, and 2DK exports AC220V to tank circuit equipment; Low-tension supply o-volt protection relay DSYJ discharges, and the normally closed point of its auxiliary contact closes, and connect high-voltage trip loop, high pressure switching winding obtains electric tripping, and high-pressure vacuum breaker cutoff high major loop, high-tension apparatus and low-voltage equipment stop simultaneously.Achieve low-tension supply decompression and control the protection of high voltage source automatic brake separating.
Claims (1)
1. a high-tension switch cabinet low-tension supply 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 low-tension supply o-volt protection relay DSYJ, the output of coil and high-tension switch cabinet low pressure inlet wire 220 volts of AC power of described low-tension supply o-volt protection relay DSYJ is connected, moving contact and the far and near 2. end controlling selector switch ZK of low-tension supply o-volt protection relay DSYJ, 1. the 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 low-tension supply o-volt protection relay DSYJ is connected with 93 ends of line protective devices with 4. holding of manual brake separating K switch K2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420473302.6U CN204089157U (en) | 2014-08-21 | 2014-08-21 | A kind of high-tension switch cabinet low-tension supply decompression automatic brake separating protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420473302.6U CN204089157U (en) | 2014-08-21 | 2014-08-21 | A kind of high-tension switch cabinet low-tension supply decompression automatic brake separating protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204089157U true CN204089157U (en) | 2015-01-07 |
Family
ID=52181829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420473302.6U Expired - Fee Related CN204089157U (en) | 2014-08-21 | 2014-08-21 | A kind of high-tension switch cabinet low-tension supply decompression automatic brake separating protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204089157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167713A (en) * | 2014-08-21 | 2014-11-26 | 刘剑华 | Automatic brake opening protection device for loss of voltage of high-tension switch board low-voltage power source |
-
2014
- 2014-08-21 CN CN201420473302.6U patent/CN204089157U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167713A (en) * | 2014-08-21 | 2014-11-26 | 刘剑华 | Automatic brake opening protection device for loss of voltage of high-tension switch board low-voltage power source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203660492U (en) | Microcomputer comprehensive protection device having active/passive automatic switching function | |
| CN104167713A (en) | Automatic brake opening protection device for loss of voltage of high-tension switch board low-voltage power source | |
| CN203205987U (en) | Device for remote control operation of circuit breaker for power supply of motor with isolating switch | |
| CN103532085B (en) | With the emergency protection circuit of indicator light | |
| CN204089157U (en) | A kind of high-tension switch cabinet low-tension supply decompression automatic brake separating protective device | |
| CN203014354U (en) | Circuit for controlling auxiliary device of large units | |
| CN203536927U (en) | Emergency protection circuit provided with indicating lamp | |
| CN102684158A (en) | Overheat delay protection device for motor | |
| CN104377809A (en) | Intelligent control device of communication station low-voltage distribution system | |
| CN204089156U (en) | A kind of high-tension switch cabinet high voltage source decompression automatic brake separating protective device | |
| CN203553882U (en) | Transformer low-voltage tripping automatic reclosing device | |
| CN205265226U (en) | High performance electric leakage electric cabinet | |
| CN104377805A (en) | Communication station low-voltage distribution system | |
| CN104360716A (en) | Computer host and external device switching sequence control device | |
| CN204103785U (en) | Silicon rectifier draw-gear | |
| CN204794028U (en) | Intellectuality ac motor protector that is just reversing | |
| CN204615165U (en) | A kind of AC metal sealed switch apparatus with bypass functionality | |
| CN104167712A (en) | Automatic brake-opening protective device for loss of voltage of high-tension switch board high-voltage power source | |
| CN204045485U (en) | A kind of Fast Speed Vacuum Circuit Breaker | |
| CN203423474U (en) | Automatic closing controller | |
| CN207800395U (en) | Box type transformer low pressure universal switch automatic switching-on device | |
| CN204809664U (en) | Low pressure stationary cabinet | |
| CN202333802U (en) | Electric system of combined compression box | |
| CN203747412U (en) | Electricity breaker with charges prevention apparatus when double bus bar changes its operation state | |
| CN203166509U (en) | Contactor capable of avoiding open-phase operation of power system for transformer station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20150821 |
|
| EXPY | Termination of patent right or utility model |