CN219695373U - 6kV breaker state monitoring device - Google Patents
6kV breaker state monitoring device Download PDFInfo
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- CN219695373U CN219695373U CN202321193685.7U CN202321193685U CN219695373U CN 219695373 U CN219695373 U CN 219695373U CN 202321193685 U CN202321193685 U CN 202321193685U CN 219695373 U CN219695373 U CN 219695373U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 238000012360 testing method Methods 0.000 claims description 27
- 238000004146 energy storage Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a state monitoring device of a 6kV breaker, which relates to the field of breaker monitoring and aims to solve the problems of equipment reliability reduction and short service life caused by electromagnetic interference of a distribution room, high temperature in summer and other environmental factors in the prior art.
Description
Technical Field
The utility model relates to the field of circuit breaker monitoring, in particular to a 6kV circuit breaker state monitoring device.
Background
The breaker unit part comprises a plurality of sensors, one or more monitors and a communication bus converter, supports various standard communication protocols, timely discovers the problems of equipment through analysis of the running state of the breaker, effectively eliminates faults, ensures the normal running of the equipment, and accordingly improves the running reliability and stability of the equipment.
The 6kV high-voltage circuit breaker cabinet is required to be provided with a switching-on/off state indicator lamp, the energy storage state indicator lamp, the position of a trolley and the state of a grounding disconnecting link of the circuit breaker are converted into optical signal display for personnel to monitor, a part of switch cabinet products also use an embedded system control instrument to monitor the state of equipment, and an audible and visual alarm signal is sent. But under the environmental factors of high electromagnetic interference of a distribution room, high temperature in summer and the like, the reliability of equipment is insufficient, and the service life is short.
Disclosure of Invention
The utility model aims to solve the problems of reduced equipment reliability and short service life caused by electromagnetic interference of a distribution room, high temperature in summer and other environmental factors in the prior art.
The 6kV breaker state monitoring device comprises a grounding knife normally-open loop, a relay normally-closed loop, a closing normally-open loop, a closing normally-closed loop, a trolley working normally-open loop, a trolley test normally-open loop and a spring energy storage normally-open loop which are connected in parallel;
and the normally open loop of the grounding knife is connected with an intermediate relay in series.
In a further preferred aspect of the present utility model, the relay normally-open circuit includes a monitoring relay in a normally-open state of the relay and a normally-open contact of the circuit breaker in a normally-open state of the relay connected in series, and the relay normally-closed circuit includes a monitoring relay in a normally-closed state of the relay and a normally-closed contact of the circuit breaker in a normally-closed state of the relay connected in series.
The utility model further preferably provides that the switching-on normally-open loop comprises a monitoring relay in a switching-on normally-open state and a normally-open contact of a switching-on normally-open circuit breaker in a switching-on normally-open state which are connected in series, and the switching-on normally-closed loop comprises a monitoring relay in a switching-on normally-closed state and a normally-open contact of a switching-on normally-open circuit breaker in a switching-on normally-closed state which are connected in series.
Further preferably, the trolley operation normally open loop comprises a monitoring relay in a trolley operation state, a trolley operation normally open contact in the trolley operation state and two indicators in the trolley operation state which are connected in series, and the trolley test normally open loop comprises a monitoring relay in a trolley test state, a trolley test normally open contact in the trolley test state and two indicators in the trolley test state which are connected in series.
Further preferred is the present utility model further comprising a power supply powered by a 110V dc power supply.
The utility model further preferably further comprises an LED display circuit, wherein the LED display circuit adopts a series resistance voltage division method.
The utility model further preferably further comprises a display module, wherein the display module adopts a high-brightness LED lamp with rated current of 50mA, and green represents open and red represents closed.
The utility model has the beneficial effects that: the utility model adopts a 110V direct current power supply to supply power, and the loop comprises a switching-on/off auxiliary contact of a 6kV breaker, an energy storage state auxiliary contact, a contact at a working or test position of a breaker trolley, an auxiliary contact at a switching-on position of a grounding knife switch and the like, wherein the grounding knife position is only provided with a normally open contact and needs to be expanded through an intermediate relay. The LED display circuit is driven by adopting a series resistor voltage division method, and is simple and reliable. The display module adopts the high-brightness LED lamp with rated current of 50mA, the green display is opened, the red display is closed, the structure is simple, the loop is reliable, the cost is low, and the like, the switching-on and switching-off state, the energy storage condition, the working or test position of the trolley, the grounding switch state and other contact information of the 6kV breaker are displayed through the device indicator lamp, so that the circuit is simple and clear, the useless function of the intelligent control instrument is eliminated, the equipment cost can be greatly reduced by replacing the intelligent control instrument, and the running power consumption of the equipment is reduced.
Drawings
Fig. 1 is a schematic block diagram of the structure of the present utility model.
Reference numerals: 1-intermediate relay, 11-relay normally open loop, 12-relay normally closed loop, 2-grounding knife normally open loop, 3-closing normally open loop, 4-closing normally closed loop, 5-trolley working normally open loop, 6-trolley test normally open loop, 7-spring energy storage normally open loop and 8-high-brightness LED display lamp.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
Embodiment case one: in this embodiment, as shown in FIG. 1
The 6kV breaker state monitoring device comprises a power supply, wherein the power supply is powered by a 110V direct current power supply and comprises a grounding knife normally open loop 2, a relay normally open loop 11, a relay normally closed loop 12, a closing normally open loop 3, a closing normally closed loop 4, a trolley working normally open loop 5, a trolley test normally open loop 6 and a spring energy storage normally open loop 7 which are connected in parallel; the normally open circuit 2 of the grounding knife is connected with the intermediate relay 1 in series, the normally open circuit 11 of the relay comprises a normally open contact of a monitoring relay in a normally open state of the relay and a normally open contact of a breaker in a normally open state of the relay, the normally open contact of the breaker in the normally open state of the relay is a normally open contact of a DC 110V relay for displaying that the grounding knife switch is at a closed position, the normally closed circuit 12 of the relay comprises a normally closed contact of the monitoring relay in a normally closed state of the relay and a normally closed contact of the breaker in a normally closed state of the relay, and the normally closed contact of the breaker in the normally closed state of the relay is a normally closed contact of the DC 110V relay for displaying that the grounding knife switch is at an open position;
the normally open circuit 3 comprises a monitoring relay in a normally open state and a normally open contact of a normally open circuit breaker in a normally open state, the normally open circuit 4 comprises a monitoring relay in a normally closed state and a normally open contact of a normally open circuit breaker in a normally closed state, the monitoring relay in a normally open state, the normally open contact of a normally open circuit 5 comprises two indicators in a normally open state and a normally open contact of a normally open state, and the two indicators in a normally open state, the normally open circuit 6 comprises a monitoring relay in a normally open state, a normally open contact of a normally open state and two indicators in a normally open state.
The LED display circuit is characterized by further comprising a display module, wherein the display module is a high-brightness LED lamp with rated current of 50mA, the green color is opened, and the red color is closed.
Working principle: the circuit is powered by a 110V direct current power supply and comprises a switching-on/off auxiliary contact of a 6kV breaker, an energy storage state auxiliary contact, a contact at a working or test position of a breaker trolley, an auxiliary contact at a switching-on position of a grounding knife switch and the like, wherein the grounding knife position is required to be expanded through an intermediate relay 1 because of only one normally open contact. The LED display circuit is driven by adopting a series resistor voltage division method, and is simple and reliable. The display module adopts a high-brightness LED lamp 8 with rated current of 50mA, the green color shows disconnection, the red color shows closure, the structure is simple, and the loop is reliable.
Implementation case two: as an alternative implementation manner of the embodiment of the present utility model, the normally-open relay circuit 11 includes a normally-open contact and an indicator lamp of the monitoring relay in the normally-open state of the relay and the circuit breaker in the normally-open state of the relay, and the normally-closed relay circuit 12 includes a normally-closed contact and an indicator lamp of the monitoring relay in the normally-closed state of the relay and the circuit breaker in the normally-closed state of the relay, which are connected in series.
Implementation case three: as an optional implementation manner of the embodiment of the present utility model, the normally-closed circuit 3 includes a monitoring relay in a normally-closed state and a normally-open contact and an indicator light of a normally-open circuit breaker in a normally-open state, and the normally-closed circuit 4 includes a monitoring relay in a normally-closed state and a normally-open contact and an indicator light of a normally-open circuit breaker in a normally-closed state, and the normally-open circuit breaker is broken when the circuit breaker is closed, so that a fault source is found at a first time, the circuit breaker is immediately closed to operate and process, a reclosing failure caused by the fault of the circuit breaker is avoided, and the overall safety and stability of the power system are improved.
Implementation case four: as an alternative implementation manner of the embodiment of the present utility model, the trolley operation normally open loop 5 includes a monitoring relay in a trolley operation state, a trolley operation normally open contact in the trolley operation state, and two indicators in the trolley operation state, which are connected in series, wherein the two indicators in the trolley operation state are red indicators, when the trolley is in operation, the trolley operation normally open contact in the trolley operation state is closed, the trolley operation normally open loop 5 is turned on, and the two indicators in the trolley operation state emit red indicators;
the trolley test normally open loop 6 comprises a monitoring relay in a trolley test state, a trolley test normally open contact in the trolley test state and two indicators in the trolley test state which are connected in series, wherein the two indicators are green in display, and when the trolley is in the test state, the trolley test normally open contact in the trolley test state is closed, the trolley test normally open loop 6 is conducted, and the two indicators send green indication in the trolley test state.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The 6kV breaker state monitoring device is characterized by comprising a grounding knife normally-open loop (2), a relay normally-open loop (11), a relay normally-closed loop (12), a closing normally-open loop (3), a closing normally-closed loop (4), a trolley working normally-open loop (5), a trolley test normally-open loop (6) and a spring energy storage normally-open loop (7) which are connected in parallel;
the normally open loop (2) of the grounding knife is connected with an intermediate relay (1) in series.
2. The 6kV circuit breaker status monitoring device according to claim 1, wherein the relay normally-open loop (11) comprises a normally-open contact of the monitoring relay in a normally-open state of the relay and the circuit breaker in a normally-open state of the relay connected in series, and the relay normally-closed loop (12) comprises a normally-closed contact of the monitoring relay in a normally-closed state of the relay and the circuit breaker in a normally-closed state of the relay connected in series.
3. The 6kV circuit breaker state monitoring device according to claim 1, wherein the closing normally open circuit (3) includes a monitoring relay in a closing normally open state and a normally open contact of the closing normally open circuit breaker in a closing normally open state connected in series, and the closing normally closed circuit (4) includes a monitoring relay in a closing normally closed state and a normally open contact of the closing normally open circuit breaker in a closing normally closed state connected in series.
4. The 6kV breaker status monitoring device according to claim 1, wherein the trolley operation normally open circuit (5) comprises a monitoring relay in a trolley operation state, a trolley operation normally open contact in a trolley operation state, and two indicators in a trolley operation state, which are connected in series, and the trolley test normally open circuit (6) comprises a trolley test state monitoring relay, a trolley test normally open contact in a trolley test state, and two indicators in a trolley test state, which are connected in series.
5. The 6kV circuit breaker status monitoring device of claim 1, further comprising a power source powered with a 110V dc power source.
6. The 6kV circuit breaker status monitoring device of claim 1, further comprising an LED display circuit, wherein the LED display circuit employs a series resistance voltage division method.
7. The 6kV circuit breaker status monitoring device of claim 1, further comprising a display module employing a high brightness LED lamp rated at 50mA, green indicating open and red indicating closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321193685.7U CN219695373U (en) | 2023-05-17 | 2023-05-17 | 6kV breaker state monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321193685.7U CN219695373U (en) | 2023-05-17 | 2023-05-17 | 6kV breaker state monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219695373U true CN219695373U (en) | 2023-09-15 |
Family
ID=87969112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321193685.7U Active CN219695373U (en) | 2023-05-17 | 2023-05-17 | 6kV breaker state monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219695373U (en) |
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2023
- 2023-05-17 CN CN202321193685.7U patent/CN219695373U/en active Active
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