CN109599279A - A kind of control device of breaker - Google Patents
A kind of control device of breaker Download PDFInfo
- Publication number
- CN109599279A CN109599279A CN201811634347.6A CN201811634347A CN109599279A CN 109599279 A CN109599279 A CN 109599279A CN 201811634347 A CN201811634347 A CN 201811634347A CN 109599279 A CN109599279 A CN 109599279A
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- Prior art keywords
- separating brake
- closing
- breaker
- coil
- input terminal
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- 230000001012 protector Effects 0.000 claims description 18
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010616 electrical installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
- H02H7/222—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for switches
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- Keying Circuit Devices (AREA)
Abstract
The invention discloses a kind of control devices of breaker, for controlling the separating brake and combined floodgate of breaker；Including closing switch module, separating brake switch module, closing coil control module and opening coil control module；The input terminal of closing switch module input and separating brake switch module connects direct current positive supply or alternating current fire wire altogether, the output end of closing switch module output end and separating brake switch module connects direct current negative supply or alternating current ground wire altogether, closing coil control module connects the closing coil of breaker, and opening coil control module connects the switching-off coil of breaker；When closing switch module is connected, control closing coil control module conducting makes the closing coil of breaker obtain electric, breaker closing；When separating brake switch module is connected, control opening coil control module conducting makes the opening coil of breaker obtain electric, breaker open operation.The present invention can control breaker closing and separating brake, directly control killer switch when avoiding maintenance, guarantee the safety of staff.
Description
Technical field
The present invention relates to technical field of circuit design more particularly to a kind of control devices of breaker.
Background technique
As urbanization process develops, rare due to soil, high residential building increases, and it is negative that most switchgear houses all build underground in
One layer or two layers minus, especially annual spring, summer, the flood season in Qiu Sanji, there is moist, the unsmooth situation of ventilation, humidity reaches
65% or more, by long-play, cause the insulation of electrical installation decline in part, due to insulation of electrical installation of high pressure
There may be single-phase earthings and phase fault for reduction, exist when direct operating breaker divide-shut brake in route maintenance process
Security risk.
Summary of the invention
The embodiment of the invention provides a kind of control devices of breaker, it is intended to solve breaker existing in the prior art
The unsafe problem of control.
The embodiment of the invention provides a kind of control devices of breaker, for controlling the separating brake and combined floodgate of breaker；Institute
Stating control device includes closing switch module, separating brake switch module, closing coil control module and opening coil control module；
The input terminal of the closing switch module input and the separating brake switch module connects direct current positive supply or friendship altogether
The output end of galvanic electricity firewire, the closing switch module output end and the separating brake switch module connects direct current negative supply or friendship altogether
Galvanic electricity ground wire, the closing coil control module connect the closing coil of the breaker, and the opening coil control module meets institute
State the switching-off coil of breaker；
When the closing switch module is connected, the closing coil control module conducting is controlled, the conjunction of the breaker is made
Brake cable circle obtains electric, the breaker closing；When the separating brake switch module is connected, controls the opening coil control module and lead
It is logical, obtain the opening coil of the breaker electric, the breaker open operation.
In one embodiment, the closing switch module includes closing switch unit, switching-in control unit and the first guarantor
Protect unit；
The input terminal of first protection location is the input terminal of the closing switch module, first protection location
Output end is connected with the input terminal of the closing switch unit, the output end of the closing switch unit and the shutting-brake control list
The input terminal of member is connected, and the output end of the switching-in control unit is the output end of the closing switch module；
The closing switch unit conducting, the switching-in control unit obtains electric.
In one embodiment, the closing switch unit includes closing switch；
The first end of the closing switch is the input terminal of the closing switch unit, and the second end of the closing switch is
The output end of the closing switch unit.
In one embodiment, the switching-in control unit includes the first intermediate relay coil and first time relay
Coil；
The input terminal of the input terminal of the first intermediate relay coil and the first time relay coil connects shape altogether
At the input terminal of the switching-in control unit, the output end of the first intermediate relay coil and the first time relay
The output end of coil connects the output end to form the switching-in control unit altogether.
In one embodiment, the closing coil control module include the first intermediate relay the first normally opened contact,
The normally-closed contact of first time relay and the first protector；
The input terminal of first protector is the input terminal of the closing coil control module, first protector
Output end is connected with the first end of the first normally opened contact of first intermediate relay, and the first of first intermediate relay
The second end of normally opened contact is connected with the first end of the normally-closed contact of the first time relay, the first time relay
Normally-closed contact second end be the closing coil control module output end.
In one embodiment, the separating brake switch module includes separating brake switch unit, separating brake control unit and the second guarantor
Protect unit；
The input terminal of second protection location is the input terminal of the separating brake switch module, second protection location
Output end is connected with the input terminal of the separating brake switch unit, and the output end of the separating brake switch unit and separating brake control are single
The input terminal of member is connected, and the output end of the separating brake control unit is the output end of the separating brake switch module；
The separating brake switching means conductive, the separating brake control unit obtain electric.
In one embodiment, the separating brake switch unit includes separating brake switch；
The first end of the separating brake switch is the input terminal of the separating brake switch unit, and the second end of the separating brake switch is
The output end of the separating brake switch unit.
In one embodiment, the separating brake switch unit further includes the second normally opened contact of the first intermediate relay；
The first end of second normally opened contact of first intermediate relay is the input terminal of the separating brake switch unit, institute
The second end for stating the second normally opened contact of the first intermediate relay is connected with the first end that the separating brake switchs.
In one embodiment, the separating brake control unit includes the second intermediate relay coil and second time relay
Coil；
The input terminal of the input terminal of the second intermediate relay coil and second time relay coil connects shape altogether
At the input terminal of the separating brake control unit, the output end of the second intermediate relay coil and second time relay
The output end of coil connects the output end to form the separating brake control unit altogether.
In one embodiment, the opening coil control module includes the normally opened contact of the second intermediate relay, second
The normally-closed contact of the time relay and the second protector；
The input terminal of second protector is the input terminal of the opening coil control module, second protector
Output end is connected with the first end of the normally opened contact of second intermediate relay, the normally opened contact of second intermediate relay
Second end be connected with the first end of the normally-closed contact of second time relay, the normally closed touching of second time relay
The second end of point is the output end of the opening coil control module.
Existing beneficial effect is the embodiment of the present invention compared with prior art: the present invention is by closing switch module and divides
Lock switch module controls the conducting and disconnection of closing coil control module and opening coil control module, makes the combined floodgate of breaker
Coil and opening coil obtain electric, control breaker closing and separating brake, and killer switch, guarantee work are directly controlled when avoiding maintenance
Make the safety of personnel.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without any creative labor, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is the structural schematic diagram of the control device for the breaker that one embodiment of the present of invention provides；
Closing switch module and the structure of separating brake switch module are shown in Fig. 1 that Fig. 2 provides for one embodiment of the present of invention
It is intended to.
Specific embodiment
In order to make those skilled in the art more fully understand this programme, below in conjunction with attached in this programme embodiment
Figure, is explicitly described the technical solution in this programme embodiment, it is clear that described embodiment is this programme a part
Embodiment, instead of all the embodiments.Based on the embodiment in this programme, those of ordinary skill in the art are not being made
The range of this programme protection all should belong in every other embodiment obtained under the premise of creative work.
The specification and claims of this programme and term " includes " and other any deformations in above-mentioned attached drawing are
Refer to " including but not limited to ", it is intended that cover and non-exclusive include.In addition, term " first " and " second " etc. are for distinguishing
Different objects, not for description particular order.
Realization of the invention is described in detail below in conjunction with specific attached drawing:
Fig. 1 shows a kind of control device of breaker provided by one embodiment of the invention and only shows for ease of description
Go out part related to the embodiment of the present invention, details are as follows:
As shown in Figure 1, a kind of control device of breaker provided by the embodiment of the present invention, for controlling point of breaker
Lock and combined floodgate；The control device 1 includes closing switch module 110, separating brake switch module 120, closing coil control module 130
With opening coil control module 140.
The input terminal of 110 input terminal of closing switch module and the separating brake switch module 120 connects direct current positive electricity altogether
The output end of source or alternating current fire wire, 110 output end of closing switch module and the separating brake switch module 120 connects direct current altogether
Electric negative supply or alternating current ground wire, the closing coil control module 130 connect the closing coil of the breaker, the separating brake line
Circle control module 140 connects the switching-off coil of the breaker.
When the closing switch module 110 is connected, controls the closing coil control module 130 and be connected, make the open circuit
The closing coil of device obtains electric, the breaker closing；When the separating brake switch module 120 is connected, the opening coil control is controlled
Molding block 140 is connected, and obtains the opening coil of the breaker electric, the breaker open operation.
In the present embodiment, the both ends of closing coil control module 130 connect positive supply and negative wire circle respectively.
In the present embodiment, the both ends of opening coil control module 140 connect positive supply and negative wire circle respectively.
In practical applications, closing switch module 110 is in parallel with the switch knob of breaker, separating brake switch module 120 with
The opening button of breaker is in parallel；Closing switch module 110 and separating brake switch module 120 replace the switch knob of breaker respectively
And opening button.
Closing coil control module 130 is connected with the closing coil of breaker；By opening coil control module 140 and break
The opening coil of road device is connected.
In the embodiment of the present invention, by closing switch module 110 and separating brake switch module 120, closing coil control is controlled
The conducting and disconnection of module 130 and opening coil control module 140 obtain the closing coil of breaker and opening coil electric, control
Breaker closing and separating brake processed, directly control killer switch when avoiding maintenance, guarantee the safety of staff.It avoids because disconnected
The primary equipments such as road device, current transformer, arrester, end because short circuit or ground fault generate arc light the person caused by
A kind of device of injury.Power off time is too long caused by the present invention is also avoided that because of circuit-breaker switching on-off button failure, present apparatus energy
Instead of the divide-shut brake button of breaker.
In one embodiment of the invention, the supply voltage of alternating current and direct current can be 12V-220V.
As shown in Figure 1, in one embodiment of the invention, closing coil control module 130 includes the first intermediate relay
First normally opened contact ZJ1-1 of device, the normally-closed contact SJ1-1 of first time relay and the first protector FU3；
The input terminal of the first protector FU3 is the input terminal of the closing coil control module 130, and described first protects
The output end of shield device FU3 is connected with the first end of the first normally opened contact ZJ1-1 of first intermediate relay, in described first
Between relay the first normally opened contact ZJ1-1 second end and the first time relay normally-closed contact SJ1-1 first
End is connected, and the second end of the normally-closed contact SJ1-1 of the first time relay is the defeated of the closing coil control module 130
Outlet.
In practical applications, closing switch K1 is closed, the first intermediate relay coil ZJ1 and first time relay coil
SJ1 obtains electric, and the first normally opened contact ZJ1-1 of the first intermediate relay closure, breaker closing coil obtains electric, breaker closing,
After preset time period, the normally-closed contact SJ1-1 of first time relay is disconnected, breaker closing coil blackout.
As shown in Figure 1, in one embodiment of the invention, the first protector FU3 can be fuse or fuse etc..
As shown in Fig. 2, in one embodiment of the invention, closing switch module 110 include closing switch unit 112,
Switching-in control unit 113 and the first protection location 111.
The input terminal of first protection location 111 is the input terminal of the closing switch module 110, first protection
The output end of unit 111 is connected with the input terminal of the closing switch unit 112, the output end of the closing switch unit 112
It is connected with the input terminal of the switching-in control unit 113, the output end of the switching-in control unit 113 is the closing switch mould
The output end of block 110.
The closing switch unit 112 is connected, and the switching-in control unit 113 obtains electric.
In the present embodiment, by the conducting and disconnection of closing switch unit 112, obtaining for shutting-brake control switch unit is controlled
Electricity and power loss.
In the present embodiment, the first protection location 111 is to prevent from circuit because from crossing to cause circuit burnout when flowing through over-voltage.Work as electricity
When road voltage or excessive electric current, the first protection location 111 is disconnected, and plays guarantor to combined floodgate switch unit 112 and switching-in control unit 113
Shield effect.
As shown in Figure 1, in one embodiment of the invention, the opening coil control module 140 includes among second
The normally opened contact ZJ2-1 of relay, the normally-closed contact SJ2-1 of second time relay and the second protector FU4.
The input terminal of the second protector FU4 is the input terminal of the opening coil control module 140, and described second protects
Shield device FU4 output end be connected with the first end of the normally opened contact ZJ2-1 of second intermediate relay, among described second after
The second end of the normally opened contact ZJ2-1 of electric appliance is connected with the first end of the normally-closed contact SJ2-1 of second time relay, institute
The second end for stating the normally-closed contact SJ2-1 of second time relay is the output end of the opening coil control module 140.
In the present embodiment, the second protector FU4 can be fuse or fuse etc..
In practical applications, when breaker is in "on" position, sub-switching operation, the first intermediate relay are carried out to breaker
The second normally opened contact ZJ1-2 be in closed state, separating brake closes the switch, the second intermediate relay coil ZJ2 and the second time
Relay coil SJ2 obtains electric, and the normally opened contact ZJ2-1 of the second intermediate relay closure, breaker open operation coil obtains electric, breaker
Separating brake, after preset time period, the normally-closed contact SJ2-1 of second time relay is disconnected, breaker open operation coil blackout.
As shown in Fig. 2, in one embodiment of the invention, the first protection location 111 can be fuse FU1 or insurance
Silk etc..
As shown in Fig. 2, in one embodiment of the invention, closing switch unit 112 includes closing switch K1.
The first end of the closing switch K1 is the input terminal of the closing switch unit 112, the closing switch K1's
Second end is the output end of the closing switch unit 112.
In the present embodiment, closing switch K1 can be manual switch.
In a particular application, closing switch K1 is in parallel with the switch knob of breaker, instead of the switch knob of breaker.
As shown in Fig. 2, in one embodiment of the invention, switching-in control unit 113 includes the first intermediate relay line
Enclose ZJ1 and first time relay coil SJ1.
The input terminal of the input terminal of the first intermediate relay coil ZJ1 and the first time relay coil SJ1
Connect the input terminal to form the switching-in control unit 113 altogether, the output end of the first intermediate relay coil ZJ1 and described the
The output end of one time relay coil SJ1 connects the output end to form the switching-in control unit 113 altogether.
As shown in Fig. 2, in one embodiment of the invention, separating brake switch module 120 include separating brake switch unit 122,
Separating brake control unit 123 and the second protection location 121.
The input terminal of second protection location 121 is the input terminal of the separating brake switch module 120, second protection
The output end of unit 121 is connected with the input terminal of the separating brake switch unit 122, the output end of the separating brake switch unit 122
It is connected with the input terminal of the separating brake control unit 123, the output end of the separating brake control unit 123 is the separating brake switching molding
The output end of block 120.
The separating brake switch unit 122 is connected, and the separating brake control unit 123 obtains electric.
In the present embodiment, separating brake switch unit 122 is turned on or off, and control separating brake control unit 123 obtains electric or power loss.
As shown in Fig. 2, in one embodiment of the invention, the second protection location 121 can be fuse FU2 or insurance
Silk.
In the present embodiment, the second protection location 121 is used for the second protection location 121 when overcurrent in circuit or over-voltage
It disconnects, protects separating brake switch unit 122 and separating brake control unit 123.
In one embodiment of the invention, the first protection location 111 can the second protection location 121 can use one protection
Module replaces, and the input of protective module terminates positive supply, the output end of protective module respectively with separating brake switch unit 122 and close a floodgate
Switch unit 112 is connected.
As shown in Fig. 2, in one embodiment of the invention, separating brake switch unit 122 includes separating brake switch K2.
The first end of the separating brake switch K2 is the input terminal of the separating brake switch unit 122, the separating brake switch K2's
Second end is the output end of the separating brake switch unit 122.
In the present embodiment, separating brake switch K2 can be manual switch.
In a particular application, separating brake switch K2 is in parallel with the opening button of breaker, instead of the opening button of breaker.
As shown in Fig. 2, in one embodiment of the invention, the separating brake switch unit 122 further include among first after
Second normally opened contact ZJ1-2 of electric appliance.
The first end of second normally opened contact ZJ1-2 of first intermediate relay is the separating brake switch unit 122
Input terminal, the first end phase that the second end of the second normally opened contact ZJ1-2 of first intermediate relay is switched with the separating brake
Even.
In the present embodiment, it is risen in the second normally opened contact ZJ1-2 that the first intermediate relay is arranged in separating brake switch unit 122
To protective effect, prevents from switching separating brake and closing switch is mistaken.
In practical applications, when carrying out sub-switching operation to breaker, it is necessary to assure breaker, which is in, to close a floodgate, and is arranged the
Second normally opened contact ZJ1-2 of one intermediate relay directly carries out sub-switching operation if breaker does not carry out closing operation,
Separating brake switch unit 122 does not turn on, it is necessary to carry out sub-switching operation again after first carrying out closing operation.
As shown in Fig. 2, in one embodiment of the invention, the separating brake control unit 123 includes the second intermediate relay
Device coil ZJ2 and the second time relay coil SJ2.
The input terminal of the input terminal of the second intermediate relay coil ZJ2 and the second time relay coil SJ2
Connect the input terminal to form the separating brake control unit 123 altogether, the output end of the second intermediate relay coil SJ2 and described the
The output end of two time relay coil SJ2 connects the output end to form the separating brake control unit 123 altogether.
In one embodiment of the invention, the voltage and current of fuse can be 220V, 5A.The electricity of intermediate relay
Pressure and current range can be 220V, 5A.The voltage and current range of the time relay can be 220V, 5A.
In one embodiment of the invention, the preset time period of the time relay can be 0.1 second, 0.5 second etc..Time
Relay includes first time relay and second time relay.
It should be noted that description of the invention port identical with numbering in the drawing or pin are to be connected to.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of control device of breaker, which is characterized in that for controlling the separating brake and combined floodgate of breaker；The control device
Including closing switch module, separating brake switch module, closing coil control module and opening coil control module；
The input terminal of the closing switch module input and the separating brake switch module connects direct current positive supply or alternating current altogether
The output end of firewire, the closing switch module output end and the separating brake switch module connects direct current negative supply or alternating current altogether
Ground wire, the closing coil control module connect the closing coil of the breaker, and the opening coil control module connects described disconnected
The switching-off coil of road device；
When the closing switch module is connected, the closing coil control module conducting is controlled, the closing line of the breaker is made
Enclose electric, the breaker closing；When the separating brake switch module is connected, the opening coil control module conducting is controlled, is made
The opening coil of the breaker obtains electric, the breaker open operation.
2. the control device of breaker as described in claim 1, which is characterized in that the closing switch module includes closing a floodgate to open
Close unit, switching-in control unit and the first protection location；
The input terminal of first protection location is the input terminal of the closing switch module, the output of first protection location
End is connected with the input terminal of the closing switch unit, output end and the switching-in control unit of the closing switch unit
Input terminal is connected, and the output end of the switching-in control unit is the output end of the closing switch module；
The closing switch unit conducting, the switching-in control unit obtains electric.
3. the control device of breaker as claimed in claim 2, which is characterized in that the closing switch unit includes closing a floodgate to open
It closes；
The first end of the closing switch is the input terminal of the closing switch unit, and the second end of the closing switch is described
The output end of closing switch unit.
4. the control device of breaker as claimed in claim 2, which is characterized in that the switching-in control unit includes in first
Between relay coil and first time relay coil；
The input terminal of the input terminal of the first intermediate relay coil and the first time relay coil connects to form institute altogether
State the input terminal of switching-in control unit, the output end of the first intermediate relay coil and the first time relay coil
Output end connect the output end to form the switching-in control unit altogether.
5. the control device of breaker as described in claim 1, which is characterized in that the closing coil control module includes the
First normally opened contact of one intermediate relay, the normally-closed contact of first time relay and the first protector；
The input terminal of first protector is the input terminal of the closing coil control module, the output of first protector
End is connected with the first end of the first normally opened contact of first intermediate relay, and the first of first intermediate relay is normally opened
The second end of contact is connected with the first end of the normally-closed contact of the first time relay, the first time relay it is normal
The second end of closed contact is the output end of the closing coil control module.
6. the control device of breaker as described in claim 1, which is characterized in that the separating brake switch module includes that separating brake is opened
Close unit, separating brake control unit and the second protection location；
The input terminal of second protection location is the input terminal of the separating brake switch module, the output of second protection location
End is connected with the input terminal of the separating brake switch unit, the output end of the separating brake switch unit and the separating brake control unit
Input terminal is connected, and the output end of the separating brake control unit is the output end of the separating brake switch module；
The separating brake switching means conductive, the separating brake control unit obtain electric.
7. the control device of breaker as claimed in claim 6, which is characterized in that the separating brake switch unit includes that separating brake is opened
It closes；
The first end of the separating brake switch is the input terminal of the separating brake switch unit, and the second end of the separating brake switch is described
The output end of separating brake switch unit.
8. the control device of breaker as claimed in claim 7, which is characterized in that the separating brake switch unit further includes first
Second normally opened contact of intermediate relay；
The first end of second normally opened contact of first intermediate relay is the input terminal of the separating brake switch unit, described the
The second end of second normally opened contact of one intermediate relay is connected with the first end that the separating brake switchs.
9. the control device of breaker as claimed in claim 6, which is characterized in that the separating brake control unit includes in second
Between relay coil and the second time relay coil；
The input terminal of the input terminal of the second intermediate relay coil and second time relay coil connects to form institute altogether
State the input terminal of separating brake control unit, the output end of the second intermediate relay coil and second time relay coil
Output end connect the output end to form the separating brake control unit altogether.
10. the control device of breaker as described in claim 1, which is characterized in that the opening coil control module includes
The normally opened contact of second intermediate relay, the normally-closed contact of second time relay and the second protector；
The input terminal of second protector is the input terminal of the opening coil control module, the output of second protector
End is connected with the first end of the normally opened contact of second intermediate relay, and the of the normally opened contact of second intermediate relay
Two ends are connected with the first end of the normally-closed contact of second time relay, the normally-closed contact of second time relay
Second end is the output end of the opening coil control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634347.6A CN109599279B (en) | 2018-12-29 | 2018-12-29 | Control device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634347.6A CN109599279B (en) | 2018-12-29 | 2018-12-29 | Control device of circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109599279A true CN109599279A (en) | 2019-04-09 |
| CN109599279B CN109599279B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811634347.6A Active CN109599279B (en) | 2018-12-29 | 2018-12-29 | Control device of circuit breaker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381507A (en) * | 2021-04-30 | 2021-09-10 | 国网宁夏电力有限公司检修公司 | Isolator control system based on real-time condition diagnosis and multiple anti-misoperation |
| CN113872167A (en) * | 2021-11-24 | 2021-12-31 | 国网重庆市电力公司电力科学研究院 | Device and method for preventing protection misoperation or refusal caused by direct current system ground fault |
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Cited By (3)
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| CN113872167A (en) * | 2021-11-24 | 2021-12-31 | 国网重庆市电力公司电力科学研究院 | Device and method for preventing protection misoperation or refusal caused by direct current system ground fault |
| CN113872167B (en) * | 2021-11-24 | 2024-05-28 | 国网重庆市电力公司电力科学研究院 | Device and method for preventing protection misoperation or refusal operation caused by direct current system ground fault |
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