CN206096383U - Vacuum circuit breaker divides closing coils on -line monitoring device - Google Patents
Vacuum circuit breaker divides closing coils on -line monitoring device Download PDFInfo
- Publication number
- CN206096383U CN206096383U CN201621105748.9U CN201621105748U CN206096383U CN 206096383 U CN206096383 U CN 206096383U CN 201621105748 U CN201621105748 U CN 201621105748U CN 206096383 U CN206096383 U CN 206096383U
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- auxiliary switch
- relay
- positive pole
- floodgate
- resistance
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Abstract
The utility model provides a vacuum circuit breaker divides closing coils on -line monitoring device, includes: first and second hall current sensor output's microprocessor is connected to first, the 2nd hall current sensor of establishing ties with closing coils, separating brake coil respectively, the closing coils and the node that opens circuit between the auxiliary switch that closes a floodgate pass through the positive pole of first ohmic connection to power supplying bus, it has first relay to establish ties between the positive pole of first resistance and generating line, separating brake coil and separating brake open circuit through the positive pole of second ohmic connection to power supplying bus between the auxiliary switch, it has the second relay to establish ties between the positive pole of second resistance and generating line. The utility model discloses a flow through branch closing coils's electric current of the hall sensor real -time detection that establishes ties with minute closing coils exceedes or is not enoughly then reported to the police by microprocessor drive pilot lamp, has still increased and has got the circuit, in the circuit breaker disconnection, gets the circuit and maintains the electric current in the branch closing coils to avoid taking place the wrong report or can not detect because of what do not have the electric current to flow through to lead to.
Description
Technical field
This utility model belongs to electrical equipment technical field, is a kind of vacuum circuit breaker divide-shut brake coil on-line monitoring dress
Put.
Background technology
Existing vacuum circuit breaker must accomplish accurate when dividing, closing a floodgate, if action executing goes wrong, may
There is short trouble, and then cause the extensive failure of electrical network.And whether the work of chopper runs succeeded, coil is both depended on
It is whether intact, there is no a kind of method of effective on-line monitoring coil state in prior art.
The content of the invention
The technical problems to be solved in the utility model is：For the use demand of prior art, a kind of at-once monitor is proposed
Vacuum circuit breaker point, the device of closing coil.
The technical solution of the utility model is：A kind of vacuum circuit breaker divide-shut brake coil on-Line Monitor Device, is arranged on point
In closing coil circuit, including the first Hall current sensor and the second Hall connected with closing coil, switching winding respectively
Current sensor, and the microprocessor of the connection first, second Hall current sensor outfan, closing coil and combined floodgate
Node between breaking auxiliary switch is connected to the positive pole of power supply buses by first resistor, the positive pole of first resistor and bus it
Between be also in series with the first relay, power supply buses are connected to by second resistance between switching winding and separating brake open circuit auxiliary switch
Positive pole, the second relay is also in series between second resistance and the positive pole of bus；First relay is auxiliary with open circuit of closing a floodgate
Switch motion synchronization action is helped, when the breaking auxiliary switch that closes a floodgate is closed, the first relay disconnects, when the breaking auxiliary switch that closes a floodgate
During disconnection, the first relay closure；Second relay and separating brake open circuit auxiliary switch synchronization action, when open circuit of closing a floodgate
When device is closed, second relay disconnects, when the combined floodgate chopper disconnects, the second relay closure；The microprocessor
The outfan of device is connected with alarm lamp；The breaking auxiliary switch that closes a floodgate is the normally opened of linkage with separating brake open circuit auxiliary switch
Contact and normally-closed contact.
Further, the PORT COM of the microprocessor is connected with 485 communication modules.
Further, the first resistor and second resistance are adjustable resistance.
This utility model provide vacuum circuit breaker divide-shut brake coil on-Line Monitor Device, by with point, closing coil string
The Hall element real-time detection of connection is flowed through point, the electric current of closing coil, is to 10ma according to compliant fuser, typically about 5
Normal value, when detect more than or during not enough normal value, reported to the police by microprocessor driven display lamp；Meanwhile, this utility model increases
Add power-supply circuit, power-supply circuit is matched point by first resistor and second resistance, closing coil, and use first, second
Relay with point, closing coil power synchronous, so, when chopper disconnects, relay adhesive is to maintain point, closing line
Electric current in circle, so as to avoiding wrong report or caused can not detecting because flowing through without electric current.
Description of the drawings
Fig. 1 is the structural representation of one preferred embodiment of this utility model.
Fig. 2 is the connection diagram of microprocessor and 485 communication modules in this utility model embodiment.
Specific embodiment
The vacuum circuit breaker of the present embodiment point, closing coil on-Line Monitor Device, in being arranged on sub-switch circuit, such as Fig. 1
It is shown, including：The first Hall current sensor 1 connected with closing coil Y3, the second Hall electricity connected with switching winding Y2
Flow sensor 2, closing coil Y3 and the node closed a floodgate between breaking auxiliary switch S3a are connected to power supply buses by first resistor
Positive pole, here first resistor be series connection adjustable resistance R1 and fixed value resistance R2, between adjustable resistance R1 and the positive pole of bus
It is in series with the first relay s4b；Power supply is connected to by second resistance between switching winding Y2 and separating brake open circuit auxiliary switch S4a
The positive pole of bus, second resistance using series connection adjustable resistance R3 and fixed value resistance R4, adjustable resistance R3 and bus positive pole it
Between be in series with the second relay S3b.First relay S4b and the breaking auxiliary switch S3a action synchronization actions that close a floodgate；Second relay
Device S3b and separating brake open circuit auxiliary switch S4a synchronization actions；Close a floodgate open circuit auxiliary switch S3a and separating brake open circuit auxiliary switch S4a connection
Dynamic, the breaking auxiliary switch S3a that closes a floodgate is normally opened contact, and separating brake open circuit auxiliary switch S4a is normally-closed contact.
When breaking auxiliary switch S3a adhesives of closing a floodgate, then separating brake open circuit auxiliary switch S4a disconnects, accordingly, the second relay
S3b adhesives, the first relay S4b disconnects.
When closing a floodgate, breaking auxiliary switch S3a disconnects, then separating brake open circuit auxiliary switch S4a adhesives, accordingly, the second relay
S3b disconnects, the first relay S4b adhesives.
So, when closing coil Y3 works, resistance R1 and R2 circuit disconnects, when closing coil Y3 quits work, resistance
R1 and R2 circuits are accessed, and maintain the detection electric current in closing coil Y3.
Switching winding Y2 is also the same principle, is repeated no more.
According to the difference of chopper model, the normal value for flowing through Hall current sensor is about 5 to 10ma, if exceed or
Not enough normal value is abnormal.The state of monitor in real time coil by so.It is adjustable in order to match the chopper of different model
The resistance of whole adjustable resistance R1 and R3 is matching.
First and second Hall current sensors outfan of the present utility model is connected to microprocessor, microprocessor it is defeated
Go out end and be connected with alarm lamp, the PORT COM of microprocessor is connected with 485 communication modules, as shown in Figure 2.Alarm lamp
For indicating coil state, 485 communication modules are used for remote collection coil state.Hall current sensor and microprocessor, it is micro-
Processor is well known to those skilled in the art with the connection circuit of communication module, repeats no more.
This utility model is not limited to above-described embodiment, and the technical scheme that all employing equivalents are formed all falls within this reality
With the protection domain of new requirement.
Claims (3)
1. a kind of vacuum circuit breaker divide-shut brake coil on-Line Monitor Device, in being arranged on divide-shut brake coil circuit, is characterized in that bag
Include the first Hall current sensor and the second Hall current sensor connected with closing coil, switching winding respectively, Yi Jilian
The microprocessor of the first, second Hall current sensor outfan is connect, between closing coil and the breaking auxiliary switch of combined floodgate
Node the positive pole of power supply buses is connected to by first resistor, be also in series between first resistor and the positive pole of bus first after
Electrical equipment, is connected to the positive pole of power supply buses, second resistance by second resistance between switching winding and separating brake open circuit auxiliary switch
The second relay is also in series with and the positive pole of bus between；First relay is synchronous dynamic with breaking auxiliary switch action of closing a floodgate
Make, when the breaking auxiliary switch that closes a floodgate is closed, the first relay disconnects, when the breaking auxiliary switch that closes a floodgate disconnects, the first relay
Device is closed；Second relay and separating brake open circuit auxiliary switch synchronization action, when combined floodgate breaker closing, described the
Two relays disconnect, when the combined floodgate chopper disconnects, the second relay closure；The outfan of the microprocessor is connected with
Alarm lamp；Breaking auxiliary switch and the normally opened contact and normally-closed contact that separating brake open circuit auxiliary switch is linkage of closing a floodgate.
2. vacuum circuit breaker divide-shut brake coil on-Line Monitor Device according to claim 1, is characterized in that the microprocessor
The PORT COM of device is connected with 485 communication modules.
3. vacuum circuit breaker divide-shut brake coil on-Line Monitor Device according to claim 1, is characterized in that described first is electric
Resistance and second resistance are adjustable resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621105748.9U CN206096383U (en) | 2016-09-30 | 2016-09-30 | Vacuum circuit breaker divides closing coils on -line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621105748.9U CN206096383U (en) | 2016-09-30 | 2016-09-30 | Vacuum circuit breaker divides closing coils on -line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206096383U true CN206096383U (en) | 2017-04-12 |
Family
ID=58482230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621105748.9U Active CN206096383U (en) | 2016-09-30 | 2016-09-30 | Vacuum circuit breaker divides closing coils on -line monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206096383U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414928A (en) * | 2018-03-29 | 2018-08-17 | 广东电网有限责任公司 | A kind of breaker coil branch wire time detection method and device |
| CN109166770A (en) * | 2018-09-20 | 2019-01-08 | 湖北长江电气有限公司 | A kind of high-tension switch cabinet inner breaker divide-shut brake coil state instruction device |
| CN112180247A (en) * | 2020-09-11 | 2021-01-05 | 上海二十冶建设有限公司 | Concentrated online test method for operating mechanisms of vacuum circuit breakers of high-voltage cabinets in line |
-
2016
- 2016-09-30 CN CN201621105748.9U patent/CN206096383U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414928A (en) * | 2018-03-29 | 2018-08-17 | 广东电网有限责任公司 | A kind of breaker coil branch wire time detection method and device |
| CN108414928B (en) * | 2018-03-29 | 2023-05-26 | 广东电网有限责任公司 | Method and device for detecting opening and closing time of circuit breaker coil |
| CN109166770A (en) * | 2018-09-20 | 2019-01-08 | 湖北长江电气有限公司 | A kind of high-tension switch cabinet inner breaker divide-shut brake coil state instruction device |
| CN112180247A (en) * | 2020-09-11 | 2021-01-05 | 上海二十冶建设有限公司 | Concentrated online test method for operating mechanisms of vacuum circuit breakers of high-voltage cabinets in line |
| CN112180247B (en) * | 2020-09-11 | 2022-09-16 | 上海二十冶建设有限公司 | Concentrated online test method for operating mechanisms of vacuum circuit breakers of high-voltage cabinets in line |
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