CN204651243U - The electronic switching off/on device of 10kV vacuum circuit-breaker - Google Patents
The electronic switching off/on device of 10kV vacuum circuit-breaker Download PDFInfo
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- CN204651243U CN204651243U CN201520400571.4U CN201520400571U CN204651243U CN 204651243 U CN204651243 U CN 204651243U CN 201520400571 U CN201520400571 U CN 201520400571U CN 204651243 U CN204651243 U CN 204651243U
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- 238000004146 energy storage Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses the electronic switching off/on device of a kind of 10kV vacuum circuit-breaker, this device is connected to the two ends of power supply, the positive pole of power supply opens the normally opened contact (3 of ZK1 by direct current sky, 4) three series circuits are connected with, article one, circuit is opening button TA, the normally opened contact (2 of auxiliary switch DL, 4, 6, 8) and switching winding TQ be connected in series circuit, article one, circuit is switch knob HA, the normally opened contact (5 of travel switch CK, 6), the normally-closed contact (1 of auxiliary switch DL, 3, 5, 7) and closing coil HQ be connected in series circuit, article one, circuit is the normally-closed contact (3 of travel switch CK, 4) and energy storage motor D be connected in series circuit, described switching winding TQ, closing coil HQ and energy storage motor D opens the normally opened contact (1 of ZK1 respectively by direct current sky, 2) be connected with the negative pole of power supply.This device can realize the integrality checking circuit-breaker switching on-off loop, the secondary avoiding circuit breaker to cause maintenance or the impact changed debugging efforts.
Description
Technical field
The utility model relates to the electronic switching off/on device of 10kV vacuum circuit-breaker, is applied to technical field of electric power.
Background technology
Along with the expansion of power grid construction scale, the application of novel device is strengthened day by day, 10kV vacuum circuit-breaker drops into a large amount of use gradually, and often occur that circuit breaker installs in commissioning test, the problem of electronic divide-shut brake operating item can not be carried out in debug process, the maintenance of vacuum circuit-breaker electric loop or the replacing of vacuum circuit-breaker need be carried out.And during the commissioning test of 10kV vacuum circuit-breaker, the integrality in inspection circuit-breaker switching on-off loop, at circuit breaker place, manual contact test terminal carries out integrity check to usual service test line, easily get an electric shock in checkout procedure, the phenomenon such as sparking, potential safety hazard is more, and divide-shut brake coil is brief energization equipment, if can not deenergization in time, divide-shut brake coil will be burnt, cause secondary to overhaul.
Summary of the invention
For above the deficiencies in the prior art, the utility model provides a kind of 10kV vacuum circuit-breaker electronic switching off/on device, to realize the integrality checking circuit-breaker switching on-off loop, and the secondary avoiding circuit breaker to cause maintenance or the impact changed debugging efforts.
The technical solution of the utility model is:
The electronic switching off/on device of 10kV vacuum circuit-breaker is connected to the two ends of power supply, the positive pole of power supply opens the normally opened contact (3 of (ZK1) by direct current sky, 4) three series circuits are connected, article one, circuit is opening button (TA), the normally opened contact (2 of auxiliary switch (DL), 4, 6, 8) and the circuit that is connected in series of switching winding (TQ), article one, circuit is switch knob (HA), the normally opened contact (5 of travel switch (CK), 6), the normally-closed contact (1 of auxiliary switch (DL), 3, 5, 7) and the circuit that is connected in series of closing coil (HQ), article one, circuit is the normally-closed contact (3 of travel switch (CK), 4) and the circuit that is connected in series of energy storage motor (D), described switching winding (TQ), closing coil (HQ) and energy storage motor (D) open the normally opened contact (1 of (ZK1) respectively by direct current sky, 2) be connected with the negative pole of power supply.
The utility model has the advantage of:
1) the electronic switching off/on device of 10kV vacuum circuit-breaker can avoid Installation and Debugging process interrupt road device can not divide-shut brake cause secondary maintenance or change, the impact of fault on debugging efforts can be reduced.
2) circuit-breaker switching on-off state converting function when can realize the commissioning test of 10kV vacuum circuit-breaker, and check the integrality of breaker energy storage loop, sub-gate circuit, closing circuit.
3) effectively prevent manual contact test terminal from carrying out integrity check, easily get an electric shock in checkout procedure, the phenomenon such as sparking, divide-shut brake coil brief energization can be avoided, burn divide-shut brake coil, effectively increase work efficiency, reduce operating risk, improve the fail safe of work, effectively reduce the workload of maintainer.
Accompanying drawing explanation
Fig. 1: structure principle chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described.As shown in Figure 1, the electronic switching off/on device of 10kV vacuum circuit-breaker is connected to the two ends of power supply, the positive pole of power supply opens the normally opened contact (3 of ZK1 by direct current sky, 4) three series circuits are connected with, article one, circuit is opening button TA, the normally opened contact (2 of auxiliary switch DL, 4, 6, 8) and switching winding TQ be connected in series circuit, article one, circuit is switch knob HA, the normally opened contact (5 of travel switch CK, 6), the normally-closed contact (1 of auxiliary switch DL, 3, 5, 7) and closing coil HQ be connected in series circuit, article one, circuit is the normally-closed contact (3 of travel switch CK, 4) and energy storage motor D be connected in series circuit, described switching winding TQ, closing coil HQ and energy storage motor D opens the normally opened contact (1 of ZK1 respectively by direct current sky, 2) be connected with the negative pole of power supply.
DL2,4; DL6,8 is the normally opened contact of auxiliary switch, and effect is the conducting and the disconnection that realize control circuit under opening and closing state.DL5,7; DL1,3 is the normally-closed contact of auxiliary switch, and effect is the conducting and the disconnection that realize control circuit under opening and closing state.CK5,6 is the normally opened contact of travel switch, effect be realize closing circuit can action under energy storage state, can not breaker closing be realized under the non-energy storage state of spring mechanism, Lock effect.CK3,4 is the normally-closed contact of travel switch, and effect realizes tank circuit conducting, and cut off the electricity supply when energy storage completes.ZK1,2,3,4 is the normally opened contact that direct current sky is opened, and effect is the break-make realizing power supply.
Below the course of work of circuit is described.
Tank circuit course of action: when ZK1 closes, power supply is from the closed conducting of normally opened contact 3,4 of positive supply ZK1, through 3,4 normally-closed contacts of travel switch CK, through energy storage motor D, the normally opened contact 1,2 connecting negative supply ZK1 closes, and starts tank circuit, motor energy storage, when spring mechanism energy storage is complete, the normally-closed contact 3,4 of travel switch CK is opened, and the normally opened contact 5,6 of travel switch CK closes.
The course of action of closing circuit, positive supply, through the closed conducting of normally opened contact 3,4 of ZK1, meets button HA, through the normally-closed contact 5,7/1,3 of auxiliary switch DL through closing a floodgate, through closing coil HQ, normally opened contact 1,2 through connecting negative supply ZK1 closes, and loop conducting, presses HA, then closing circuit starts, the normally opened contact 2,4/6,8 of auxiliary switch DL closes, and 5,7/1,3 of auxiliary switch DL disconnects, and breaker closing completes.
Sub-gate circuit course of action: when separating brake, positive supply closes conducting, through opening button TA through the normally opened contact 3,4 of ZK1, normally opened contact 2,4/6,8 through auxiliary switch DL closes, and through switching winding TQ, presses opening button TA, sub-gate circuit starts, breaker open operation.
Should be appreciated that above detailed description technical scheme of the present invention carried out by preferred embodiment.Be more than can the technical scheme described in each embodiment be modified, or equivalent replacement is carried out to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (1)
- The electronic switching off/on device of 1.10kV vacuum circuit-breaker, it is characterized in that, this electronic switching off/on device is connected to the two ends of power supply, the positive pole of power supply opens the normally opened contact (3 of (ZK1) by direct current sky, 4) three series circuits are connected, article one, circuit is opening button (TA), the normally opened contact (2 of auxiliary switch (DL), 4, 6, 8) and the circuit that is connected in series of switching winding (TQ), article one, circuit is switch knob (HA), the normally opened contact (5 of travel switch (CK), 6), the normally-closed contact (1 of auxiliary switch (DL), 3, 5, 7) and the circuit that is connected in series of closing coil (HQ), article one, circuit is the normally-closed contact (3 of travel switch (CK), 4) and the circuit that is connected in series of energy storage motor (D), described switching winding (TQ), closing coil (HQ) and energy storage motor (D) open the normally opened contact (1 of (ZK1) respectively by direct current sky, 2) be connected with the negative pole of power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400571.4U CN204651243U (en) | 2015-06-11 | 2015-06-11 | The electronic switching off/on device of 10kV vacuum circuit-breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400571.4U CN204651243U (en) | 2015-06-11 | 2015-06-11 | The electronic switching off/on device of 10kV vacuum circuit-breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204651243U true CN204651243U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520400571.4U Active CN204651243U (en) | 2015-06-11 | 2015-06-11 | The electronic switching off/on device of 10kV vacuum circuit-breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN204651243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320987A (en) * | 2018-01-08 | 2018-07-24 | 国网河南省电力公司灵宝市供电公司 | A kind of novel high-voltage circuit-breaker closing protective circuit |
-
2015
- 2015-06-11 CN CN201520400571.4U patent/CN204651243U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320987A (en) * | 2018-01-08 | 2018-07-24 | 国网河南省电力公司灵宝市供电公司 | A kind of novel high-voltage circuit-breaker closing protective circuit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |