CN208722801U - A kind of non-separating brake mistake conjunction isolation switch device of antiground disconnecting link - Google Patents
A kind of non-separating brake mistake conjunction isolation switch device of antiground disconnecting link Download PDFInfo
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- CN208722801U CN208722801U CN201821415872.4U CN201821415872U CN208722801U CN 208722801 U CN208722801 U CN 208722801U CN 201821415872 U CN201821415872 U CN 201821415872U CN 208722801 U CN208722801 U CN 208722801U
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- switch
- contactor
- disconnecting
- operator
- disconnecting switch
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Abstract
The utility model relates to a kind of non-separating brakes of antiground disconnecting link accidentally to close isolation switch device, it further include first contactor, second contactor and the visual sensor to detect disconnecting switch earthing knife-switch opening and closing state including power supply, disconnecting switch operator, motor, disconnecting switch operator switch knob and disconnecting switch earthing knife-switch to drive disconnecting switch operator to close a floodgate；Power supply is connected to one end of disconnecting switch operator switch knob, and the other end of disconnecting switch operator switch knob is connected to the coil control terminal of first contactor；Disconnecting switch operator switch knob the other end also successively the normally opened contact through first contactor, second contactor normally-closed contact be connected to drive disconnecting switch operator close a floodgate motor；Also successively the coil control terminal of another normally opened contact through first contactor, visual sensor and second contactor is electrical connected the other end of disconnecting switch operator switch knob.The utility model can prevent operator false switching when earthing knife-switch breaks down.
Description
Technical field
The utility model relates to supervisory control of substation field, especially a kind of non-separating brake of antiground disconnecting link accidentally closes disconnecting switch dress
It sets.
Background technique
Most of substation isolating-switch operators and earthing knife-switch are all made of Electronic control at present, to meet the need of remote control
It wants.But current disconnecting switch fails to provide the function of effectively preventing operator from closing a floodgate when earthing knife-switch separating brake breaks down.
When disconnecting switch earthing knife-switch break down can not normal separating brake when by disconnecting switch operator close a floodgate will appear short circuit accident,
Substation is influenced to operate normally.
Summary of the invention
In view of this, the purpose of the utility model is to provide a kind of non-separating brakes of antiground disconnecting link accidentally to close isolation switch device,
Operator false switching can be prevented when earthing knife-switch breaks down.
The utility model is realized using following scheme: a kind of non-separating brake mistake conjunction isolation switch device of antiground disconnecting link, including
Power supply, disconnecting switch operator, to drive disconnecting switch operator close a floodgate motor, disconnecting switch operator switch knob and every
Pass earthing knife-switch is left, further includes first contactor, second contactor and the view to detect disconnecting switch earthing knife-switch opening and closing state
Feel sensor；
The power supply is connected to one end of the disconnecting switch operator switch knob, the disconnecting switch operator switch knob
The other end be connected to the coil control terminal of first contactor；The other end of the disconnecting switch operator switch knob also successively passes through
The normally opened contact of first contactor, the normally-closed contact of second contactor are connected to described to drive disconnecting switch operator to close a floodgate
Motor；Also successively another normally opened contact through first contactor, vision pass the other end of the disconnecting switch operator switch knob
Sensor and the coil control terminal of the second contactor are electrical connected.
Wherein, power supply provides 1 time AC power source power supply by substation's exchange feeder line screen, and is mounted on disconnecting switch earthing knife-switch behaviour
Make in mechanism case.
Further, the first contactor setting is in disconnecting switch operator mechanism case.
Further, the visual sensor is mounted on disconnecting switch ontology, is serially connected in the normally opened touching of first contactor
Point output end, is responsible for separating brake/"on" position of acquisition disconnecting switch earthing knife-switch.
Further, the second contactor is mounted in disconnecting switch earthing knife-switch operating mechanism box, second contact
Device is serially connected in the output end of visual sensor, and the normally-closed contact of second contactor and the normally opened contact series connection of first contactor exist
It operates in the control loop of motor.
Preferably, when disconnecting switch operator switch knob is pressed, the coil of the first contactor is logical in the present invention
Electricity, two normally opened contact closure make the if visual sensor detects that disconnecting switch earthing knife-switch is in "on" position at this time
The coil of two contactors obtains electric, the normally-closed contact disconnection of second contactor at this time, even if disconnecting switch operator switch knob is
Closure, but the motor to control disconnecting switch operator combined floodgate still must not be electric, disconnecting switch operator can not close a floodgate, Neng Gouyou
Effect prevents operator false switching.Conversely, if when visual sensor detects that disconnecting switch earthing knife-switch is in gate-dividing state, so that second connects
Tentaculum must not be electric, and the normally-closed contact of second contactor remains closed at this time, obtains to control the motor that disconnecting switch operator is closed a floodgate
Electricity work, the operator of disconnecting switch can normally close a floodgate.
Particularly, visual sensor uses laser scanner in the prior art, linear array and Array CCD Camera or TV
Video camera, wherein the on-off logic being arranged in visual sensor can be used simple decision logic in the prior art and realize.
Compared with prior art, the utility model has the following beneficial effects: the present invention only needs to increase two contactors newly
With a visual sensor, structure is simple, can prevent operator false switching when earthing knife-switch breaks down.
Detailed description of the invention
Fig. 1 is the schematic illustration of the utility model embodiment.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and embodiments.
As shown in Figure 1, present embodiments providing a kind of non-separating brake of antiground disconnecting link accidentally conjunction isolation switch device, including power supply
L, disconnecting switch operator, to drive disconnecting switch operator close a floodgate motor M, disconnecting switch operator switch knob QS and every
Pass earthing knife-switch is left, further includes first contactor KM1, second contactor KM2 and to detect disconnecting switch earthing knife-switch divide-shut brake shape
The visual sensor of state；
The power supply L is connected to one end of the disconnecting switch operator switch knob QS, and the disconnecting switch operator is closed a floodgate
The other end of button QS is connected to the coil control terminal of first contactor KM1；The disconnecting switch operator switch knob QS's is another
Normally opened contact of the one end also successively through first contactor KM1, second contactor KM2 normally-closed contact be connected to it is described to drive
The motor M that disconnecting switch operator is closed a floodgate；The other end of the disconnecting switch operator switch knob QS is also successively through first contactor
Another normally opened contact, visual sensor and the coil control terminal of the second contactor KM2 of KM1 is electrical connected.
Wherein, power supply L provides 1 time AC power source L power supply by substation's exchange feeder line screen, and is mounted on disconnecting switch earthing knife-switch
In operating mechanism box.
In the present embodiment, the first contactor KM1 setting is in disconnecting switch operator mechanism case.
In the present embodiment, the visual sensor is mounted on disconnecting switch ontology, is serially connected in first contactor KM1's
Normally opened contact output end is responsible for separating brake/"on" position of acquisition disconnecting switch earthing knife-switch.
In the present embodiment, the second contactor KM2 is mounted in disconnecting switch earthing knife-switch operating mechanism box, and described
Two contactor KM2 are serially connected in the output end of visual sensor, and the normally-closed contact of second contactor KM2 is with first contactor KM1's
Normally opened contact series connection is in the control loop of operator motor M.
Preferably, in the present embodiment, when disconnecting switch operator switch knob QS is pressed, the first contactor KM1's
Coil is powered, two normally opened contact closure, if visual sensor detects that disconnecting switch earthing knife-switch is in "on" position at this time,
So that the coil of second contactor KM2 obtains electric, the normally-closed contact disconnection of second contactor KM2 at this time, even if disconnecting switch is operated
Switch knob QS is closed, but the motor M to control disconnecting switch operator combined floodgate still must not be electric, disconnecting switch operator
It can not close a floodgate, operator false switching can be effectively prevent.Conversely, if visual sensor detects that disconnecting switch earthing knife-switch is in separating brake shape
When state, so that second contactor KM2 must not be electric, the normally-closed contact of second contactor KM2 is remained closed at this time, to control isolation
The motor M work once electrified that switch operator is closed a floodgate, the operator of disconnecting switch can normally close a floodgate.
Particularly, in the present embodiment, visual sensor is using laser scanner in the prior art, linear array and face battle array
CCD camera or TV video camera, wherein the on-off logic being arranged in visual sensor can be used simple in the prior art
Decision logic is realized.
It is noted that the utility model protection is hardware configuration and its connection relationship, as control method with sentence
Disconnected logic can be implemented by using the prior art, and not be claimed.It is preferably real the above is only one in the utility model embodiment
Apply scheme.But the utility model is not limited to the embodiment above, all any impartial changes done by the utility model
Change and modification, generated function without departing from this programme range when, belong to the protection scope of the utility model.
Claims (4)
1. a kind of non-separating brake of antiground disconnecting link accidentally closes isolation switch device, including power supply, disconnecting switch are operated, to drive isolation
Motor that switch operator is closed a floodgate, disconnecting switch operator switch knob and disconnecting switch earthing knife-switch, it is characterised in that: further include the
One contactor, second contactor and the visual sensor to detect disconnecting switch earthing knife-switch opening and closing state；
The power supply is connected to one end of disconnecting switch operator switch knob, the disconnecting switch operator switch knob it is another
One end is connected to the coil control terminal of first contactor；The other end of the disconnecting switch operator switch knob is also successively through first
The normally opened contact of contactor, the normally-closed contact of second contactor are connected to the electricity to drive disconnecting switch operator to close a floodgate
Machine；The other end of disconnecting switch operator switch knob also successively another normally opened contact, visual sensing through first contactor
Device and the coil control terminal of the second contactor are electrical connected.
2. the non-separating brake of a kind of antiground disconnecting link according to claim 1 accidentally closes isolation switch device, it is characterised in that: described
First contactor setting is in disconnecting switch operator operating mechanism box.
3. the non-separating brake of a kind of antiground disconnecting link according to claim 1 accidentally closes isolation switch device, it is characterised in that: described
Visual sensor is mounted on disconnecting switch ontology.
4. the non-separating brake of a kind of antiground disconnecting link according to claim 1 accidentally closes isolation switch device, it is characterised in that: described
Second contactor is mounted in disconnecting switch earthing knife-switch operating mechanism box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821415872.4U CN208722801U (en) | 2018-08-31 | 2018-08-31 | A kind of non-separating brake mistake conjunction isolation switch device of antiground disconnecting link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821415872.4U CN208722801U (en) | 2018-08-31 | 2018-08-31 | A kind of non-separating brake mistake conjunction isolation switch device of antiground disconnecting link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208722801U true CN208722801U (en) | 2019-04-09 |
Family
ID=65980467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821415872.4U Active CN208722801U (en) | 2018-08-31 | 2018-08-31 | A kind of non-separating brake mistake conjunction isolation switch device of antiground disconnecting link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208722801U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123031A (en) * | 2019-12-18 | 2020-05-08 | 国网湖北省电力有限公司宜昌供电公司 | Fault detection method, low-voltage energy storage pre-operation set device, controller and system |
| CN113745038A (en) * | 2021-08-31 | 2021-12-03 | 国网河北省电力有限公司检修分公司 | Isolating switch |
-
2018
- 2018-08-31 CN CN201821415872.4U patent/CN208722801U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123031A (en) * | 2019-12-18 | 2020-05-08 | 国网湖北省电力有限公司宜昌供电公司 | Fault detection method, low-voltage energy storage pre-operation set device, controller and system |
| CN111123031B (en) * | 2019-12-18 | 2022-04-29 | 国网湖北省电力有限公司宜昌供电公司 | Fault detection method, low-voltage energy storage pre-operation set device, controller and system |
| CN113745038A (en) * | 2021-08-31 | 2021-12-03 | 国网河北省电力有限公司检修分公司 | Isolating switch |
| CN113745038B (en) * | 2021-08-31 | 2023-07-25 | 国网河北省电力有限公司检修分公司 | Isolation switch |
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