CN208257409U - Double-bus back brake anti-misoperation control device and double-bus power supply system - Google Patents
Double-bus back brake anti-misoperation control device and double-bus power supply system Download PDFInfo
- Publication number
- CN208257409U CN208257409U CN201820855616.0U CN201820855616U CN208257409U CN 208257409 U CN208257409 U CN 208257409U CN 201820855616 U CN201820855616 U CN 201820855616U CN 208257409 U CN208257409 U CN 208257409U
- Authority
- CN
- China
- Prior art keywords
- power supply
- switch
- auxiliary switch
- electromagnetic lock
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 230000005611 electricity Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000013475 authorization Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to double-bus back brake anti-misoperation control devices and double-bus power supply system, control device includes a controlling brancher, controlling brancher includes the first control route being arranged in parallel and the second control route, first control line road string is equipped with the first electromagnetic lock corresponding with the first power supply disconnecting switch, and the second control line road string is equipped with corresponding second electromagnetic lock of the second power supply disconnecting switch.According to the relational implementation lock-in control of electromagnetic lock and power supply disconnecting switch, only in the case where the first power supply disconnecting switch is in closed state, the second power supply disconnecting switch can be operated, the first power supply disconnecting switch can be operated after only second power supply disconnecting switch closure, ensure the correct operation sequence of two power supply disconnecting switch, prevent the maloperation that load is operated a switch, avoid the accident generated due to maloperation, the safety of electric system where increasing it, the reliability of power supply provides guarantee for the safety of operator.
Description
Technical field
The utility model relates to double-bus back brake anti-misoperation control devices and double-bus power supply system.
Background technique
Bus is that have and collect, transmit and distribute the product of power capability for transmitting electric energy.Bus in the power system
Each duplexure in power distribution equipment is linked together, for each duplexure distribution transmission electric energy.In order to make bus pair
Duplexure power supply is relatively reliable, at the same make electric power system dispatching flexibly, enlarging it is convenient, and when overhauling bus, make branch
Circuit does not power off, and electric system mostly uses double bus scheme.Such as the Chinese patent text that Authorization Notice No. is CN207149898U
A kind of double-bus power supply system is disclosed in part, system includes at least one contact circuit and at least one duplexure, contact
Circuit includes that two contact disconnecting switch that string is set and a network interconnecting circuit, the both ends for getting in touch with circuit are separately connected two mothers
Line realizes the contact of two buses.Duplexure also includes that two power supply disconnecting switch (are referred to as the first power supply disconnecting switch
With second power supply disconnecting switch) and one for electrical circuit breakers, by connecing for electrical circuit breakers and two power supply disconnecting switch at two
On bus.When two contact disconnecting switch of closure (be referred to as the first contact disconnecting switch and second and get in touch with disconnecting switch) and
After network interconnecting circuit, switching and the back brake of double-bus are realized by two power supply disconnecting switch on operation duplexure.
When bus needs to overhaul, control double-bus carries out grid switching operation, and still, existing grid switching operation process is very multiple
It is miscellaneous, it is easy to produce maloperation, and then safety accident occur.
Utility model content
The purpose of the utility model is to provide a kind of double-bus back brake anti-misoperation control devices, existing double to solve
Easily there is the problem of maloperation in bus grid switching operation.The utility model provides a kind of double-bus power supply system simultaneously.
To achieve the above object, the utility model includes following technical scheme.
A kind of double-bus back brake anti-misoperation control device, it is described including the controlling brancher drawn by power supply
Controlling brancher includes the first control route being arranged in parallel and the second control route, and the first control route includes and branches back to
Second corresponding second auxiliary switch of power supply disconnecting switch of road, the second control route include and the on duplexure
One corresponding first auxiliary switch of power supply disconnecting switch, the first control line road string set second auxiliary switch and with institute
State corresponding first electromagnetic lock of the first auxiliary switch, the second control line road string set first auxiliary switch and with it is described
Corresponding second electromagnetic lock of second auxiliary switch；When first electromagnetic lock obtains electric, the first power supply disconnecting switch can be grasped
Make, when second electromagnetic lock obtains electric, the second power supply disconnecting switch can be operated.
When carrying out grid switching operation, the conducting of contact circuit.Since the first power supply disconnecting switch is in closed state, second is supplied
Switch is electrically isolated to be in an off state, then, the first auxiliary switch is also at closed state, and the second auxiliary switch, which is in, disconnects shape
State, the first electromagnetic lock are in power failure state, and the second electromagnetic lock is in obtain electricity condition, and the first power supply disconnecting switch cannot be operated,
Second power supply disconnecting switch can be operated, then, closure the second power supply disconnecting switch, the second auxiliary switch can be also closed, the
One electromagnetic lock obtains electric, and the first power supply disconnecting switch can be operated at this time, then, the first power supply disconnecting switch is disconnected, and is broken
Grid switching operation is completed in open union network circuit.Therefore, two electromagnetic locks are set, and the relationship according to electromagnetic lock and power supply disconnecting switch is real
Existing lock-in control, only in the case where the first power supply disconnecting switch is in closed state, the second electromagnetic lock just it is electric, the can be operated
Two power supply disconnecting switch cannot first disconnect the first power supply disconnecting switch moreover, the first power supply disconnecting switch can not operate
Reclose the second power supply disconnecting switch.Moreover, only second power supply disconnecting switch closure after the first electromagnetic lock just it is electric, can
Operation the first power supply disconnecting switch.Therefore, locking is increased in the double-bus back brake anti-misoperation control device that this programme provides
Control, it is ensured that the correct operation sequence of two power supply disconnecting switch, it is ensured that operator's its operation when carrying out grid switching operation
It is procedural, prevent the maloperation that load is operated a switch, avoids the accident generated due to maloperation, electric system where increasing it
Safety, the reliability of power supply provide guarantee for the safety of operator.
Further, the control device further includes energy supply control module, and the energy supply control module includes and gets in touch with back
The first corresponding third auxiliary switch of contact disconnecting switch in road, to get in touch with disconnecting switch with second in contact circuit corresponding
4th auxiliary switch, the 5th auxiliary switch corresponding with the network interconnecting circuit in contact circuit and control unit, the third
Auxiliary switch, the 4th auxiliary switch and the 5th auxiliary switch connect described control unit, and described control unit exports the power supply
Power supply, when third auxiliary switch, the 4th auxiliary switch and the 5th auxiliary switch are closed, control unit exports the power supply electricity
Source.
Being realized by energy supply control module can only power when getting in touch with circuit conducting for controlling brancher, that is,
It says, only can realize grid switching operation when getting in touch with circuit conducting, prevent contact circuit from just carrying out grid switching operation when not turning on,
Supply Security is further ensured, avoids the accident generated due to maloperation again.Moreover, because under normal circumstances,
It gets in touch with circuit to disconnect, controlling brancher does not have power supply, the first electromagnetic lock and the equal power loss of the second electromagnetic lock, can not just supply first
It is electrically isolated switch and the second power supply disconnecting switch is operated, avoid maloperation route.
Further, described control unit is a power supply control route, and one end connection power supply of the controlling brancher is just
Pole, the other end of the controlling brancher connect one end of the power supply control route, and the other end of the power supply control route connects
Power cathode is connect, the third auxiliary switch, the 4th auxiliary switch and the 5th auxiliary switch string are located at the power supply control route
On.Control unit is only a power supply control route, reduces circuit complexity, improves control reliability.
Further, the control device further includes third control route, and third control line road string is equipped with and institute
The corresponding third electromagnetic lock of third auxiliary switch and the 6th auxiliary switch corresponding with the network interconnecting circuit in contact circuit are stated, with
Corresponding 4th electromagnetic lock of 4th auxiliary switch is in parallel with the third electromagnetic lock, the switch shape of the 6th auxiliary switch
State is opposite with the switch state of the network interconnecting circuit；When the third electromagnetic lock obtains electric, the first contact disconnecting switch can
It is operated, when the 4th electromagnetic lock obtains electric, the second contact disconnecting switch can be operated.
A kind of double-bus power supply system, including major loop of double-bus and double-bus back brake anti-misoperation control device,
Major loop of double-bus includes at least one contact circuit and at least one duplexure, and contact circuit includes first that string is set
Contact disconnecting switch, the second contact disconnecting switch and network interconnecting circuit, the both ends for getting in touch with circuit are separately connected two buses, branch
Circuit is including the first power supply disconnecting switch, the second power supply disconnecting switch and for electrical circuit breakers, the double-bus back brake anti-misoperation
Control device includes the controlling brancher drawn by power supply, and the controlling brancher includes the first control line being arranged in parallel
Road and the second control route, the first control route include the second auxiliary switch corresponding with the second power supply disconnecting switch, institute
Stating the second control route includes the first auxiliary switch corresponding with the first power supply disconnecting switch, and the first control line road string is set
Second auxiliary switch and the first electromagnetic lock corresponding with first auxiliary switch, the second control line road string set institute
State the first auxiliary switch and the second electromagnetic lock corresponding with second auxiliary switch；When first electromagnetic lock obtains electric, the
One power supply disconnecting switch can be operated, and when second electromagnetic lock obtains electric, the second power supply disconnecting switch can be operated.
Further, the control device further includes energy supply control module, and the energy supply control module includes and first
The corresponding third auxiliary switch of network disconnecting switch, the 4th auxiliary switch corresponding with the second contact disconnecting switch and contact open circuit
Corresponding 5th auxiliary switch of device and control unit, the third auxiliary switch, the 4th auxiliary switch and the 5th auxiliary switch
Described control unit is connected, described control unit exports the power supply, when third auxiliary switch, the 4th auxiliary switch and the
When five auxiliary switches are closed, control unit exports the power supply.
Further, described control unit is a power supply control route, and one end connection power supply of the controlling brancher is just
Pole, the other end of the controlling brancher connect one end of the power supply control route, and the other end of the power supply control route connects
Power cathode is connect, the third auxiliary switch, the 4th auxiliary switch and the 5th auxiliary switch string are located at the power supply control route
On.
Further, the control device further includes third control route, and third control line road string is equipped with and institute
The corresponding third electromagnetic lock of third auxiliary switch and the 6th auxiliary switch corresponding with the network interconnecting circuit in contact circuit are stated, with
Corresponding 4th electromagnetic lock of 4th auxiliary switch is in parallel with the third electromagnetic lock, the switch shape of the 6th auxiliary switch
State is opposite with the switch state of the network interconnecting circuit；When the third electromagnetic lock obtains electric, the first contact disconnecting switch can
It is operated, when the 4th electromagnetic lock obtains electric, the second contact disconnecting switch can be operated.
Detailed description of the invention
Fig. 1 is major loop figure of double-bus；
Fig. 2 is controlling brancher figure；
Fig. 3 is power supply control line map；
Fig. 4 is third control line map.
Specific embodiment
Double-bus power supply system embodiment
The present embodiment provides a kind of double-bus power supply systems, including major loop and control section, wherein major loop is double female
Major loop of line, control section are double-bus back brake anti-misoperation control device.
Major loop of double-bus belongs to available circuit structure, for example the China that Authorization Notice No. is CN207149898U is specially
Double-bus power supply system disclosed in sharp file.The present embodiment provides a kind of specific structure of major loop of double-bus, double mothers
Major loop of line includes at least one contact circuit and at least one duplexure, and the present embodiment is with major loop of double-bus
For a contact circuit and a duplexure, as shown in Figure 1.Certainly, when major loop of double-bus includes multiple
Get in touch with circuit and when duplexure, double-bus back brake anti-misoperation control device be multiple need to set, for example, with duplexure
Identical number, each double-bus back brake anti-misoperation control device control corresponding duplexure, still, regardless of double-bus is primary
Include how many contact circuits and duplexure in major loop, control principle with include a contact circuit and duplexure
Situation is identical.
As shown in Figure 1, duplexure includes the first power supply disconnecting switch (the power supply disconnecting switch 1G in corresponding diagram 1), the
Two power disconnecting switch (the power supply disconnecting switch 2G in corresponding diagram 1) and for electrical circuit breakers 1QF.Getting in touch with circuit includes string setting
First contact disconnecting switch (the contact disconnecting switch 1GM in corresponding diagram 1), second contact the disconnecting switch (connection in corresponding diagram 1
Network disconnecting switch 2GM) and network interconnecting circuit 2QF, the both ends for getting in touch with circuit be separately connected two buses.
As shown in Fig. 2, double-bus back brake anti-misoperation control device includes the controlling brancher drawn by power supply,
Controlling brancher includes the first control route being arranged in parallel and the second control route, and the first control route includes and supplies to be electrically isolated from
Corresponding second auxiliary switch of 2G is closed, the second control route includes the first auxiliary switch corresponding with power supply disconnecting switch 1G.The
The switch state of one auxiliary switch is identical as the power supply switch state of disconnecting switch 1G, the switch state of the second auxiliary switch and confession
The switch state for being electrically isolated switch 2G is identical, then, the first auxiliary switch can be using mark identical with power supply disconnecting switch 1G
Showing, i.e. the first auxiliary switch is auxiliary switch 1G, and the second auxiliary switch can use mark identical with power supply disconnecting switch 2G,
That is the second auxiliary switch is auxiliary switch 2G.As shown in Fig. 2, the first control line road string sets auxiliary switch 2G and the first electromagnetic lock
(the electromagnetic lock 1DS in corresponding diagram 2), the second control line road string set auxiliary switch 1G and the second electromagnetic lock (electricity in corresponding diagram 2
Magnetic padlock 2DS).In the present embodiment, electromagnetic lock is the electromagnetic lock of corresponding power supply isolator operation disk.Electromagnetic lock 1DS is opened with auxiliary
It is corresponding to close 1G, namely corresponding with power supply disconnecting switch 1G, only when electromagnetic lock 1DS obtains electric, power supply disconnecting switch 1G can
It is operated, when electromagnetic lock 1DS is under power failure state, power supply disconnecting switch 1G can not be operated；Electromagnetic lock 2DS is opened with auxiliary
It is corresponding to close 2G, namely corresponding with power supply disconnecting switch 2G, only when electromagnetic lock 2DS obtains electric, power supply disconnecting switch 2G can
It is operated, when electromagnetic lock 2DS is under power failure state, power supply disconnecting switch 2G can not be operated.
Under normal circumstances, 1 female power supply, power supply disconnecting switch 1G are in closed state, and power supply disconnecting switch 2G, which is in, to be disconnected
State.When carrying out grid switching operation, each disconnecting switch and breaker closing in circuit, contact circuit conducting are got in touch with.Such as Fig. 2
It is shown, since power supply disconnecting switch 1G is in closed state, then, auxiliary switch 1G is also at closed state, at electromagnetic lock 2DS
In obtaining electricity condition, power supply disconnecting switch 2G can be operated, then, it is closed power supply disconnecting switch 2G, auxiliary switch 2G can also be closed
Close, electromagnetic lock 1DS obtain it is electric, at this time power disconnecting switch 1G can be operated, then, disconnect power supply disconnecting switch 1G, then
Contact circuit is disconnected, grid switching operation is completed.Therefore, electromagnetic lock 1DS and electromagnetic lock 2DS is set, according to electromagnetic lock and for being electrically isolated
The relational implementation lock-in control of switch, only power supply disconnecting switch 1G be in closed state under, electromagnetic lock 1DS just it is electric,
Can operation power disconnecting switch 2G, moreover, power supply disconnecting switch 1G can not operate, that is to say, that cannot first disconnect confession
It is electrically isolated switch 1G and recloses power supply disconnecting switch 2G, be merely able to first to be closed the disconnecting switch 2G that powers and disconnect power supply disconnecting switch again
1G.Therefore, the controling circuit structure can ensure two power supply disconnecting switch correct operation sequence, it is ensured that operator into
What it was operated when row grid switching operation is procedural, prevents the maloperation that load is operated a switch.
Further, grid switching operation only can be carried out when getting in touch with circuit conducting in order to realize, prevents contact circuit
Grid switching operation is just carried out when not turning on, double-bus back brake anti-misoperation control device further includes energy supply control module, for being Fig. 2
In controlling brancher provide power supply.The energy supply control module includes that third auxiliary corresponding with contact disconnecting switch 1GM is opened
Close with get in touch with corresponding 4th auxiliary switch of disconnecting switch 2GM, the 5th auxiliary switch corresponding with network interconnecting circuit 2QF and
Control unit.With above similarly, the switch state of third auxiliary switch is identical as the contact switch state of disconnecting switch 1GM,
The switch state of 4th auxiliary switch is identical as the contact switch state of disconnecting switch 2GM, the switch state of the 5th auxiliary switch
It is identical as the switch state of network interconnecting circuit 2QF, then, third auxiliary switch can also be indicated with auxiliary switch 1GM, the
Four auxiliary switches can also be indicated with auxiliary switch 2GM, and the 5th auxiliary switch can also carry out table with auxiliary switch 2QF
Show.Auxiliary switch 1GM, auxiliary switch 2GM and auxiliary switch 2QF connect control unit, and control unit exports power supply, only
When auxiliary switch 1GM, auxiliary switch 2GM and auxiliary switch 2QF are closed, indicate that contact circuit investment, system will be fallen
Lock operation, then, control unit exports power supply, electric energy is provided for the controlling brancher in Fig. 2, and then realize grid switching operation,
Supply Security is further ensured, the accident generated due to maloperation is avoided.
The control unit can be control chip, realizes control by internal software program, is also possible to specific hardware
Circuit structure.In the present embodiment, control unit is hardware circuit, specially a power supply control route.As shown in Fig. 2,
One end of controlling brancher connects positive pole+KM, and the other end of controlling brancher is GBM, as shown in figure 3, power supply control route
One end is also GBM, that is to say, that one end of the other end of controlling brancher connection power supply control route, power supply control route it is another
One end connects power cathode-KM, and auxiliary switch 1GM, auxiliary switch 2GM and auxiliary switch 2QF string are located at the power supply control route
On.So, as long as auxiliary switch 1GM, auxiliary switch 2GM and auxiliary switch 2QF are closed, positive pole+KM will be with power supply
Cathode-KM forms access, and the controlling brancher in Fig. 2 will obtain electric.Therefore, GBM can be understood as the small bus of locking being added, real
Existing lock-in control, when auxiliary switch 1GM, auxiliary switch 2GM and auxiliary switch 2QF are all in closed state, GBM electrification.
So, under normal circumstances, 1 female power supply, power supply disconnecting switch 1G are in closed state, and power supply disconnecting switch 2G is in
Off-state, since contact disconnecting switch 1GM and 2GM and network interconnecting circuit 2QF is supplied all in off-state in contact circuit
Electric control route disconnects, then, the equal power loss of electromagnetic lock 1DS and 2DS can not operate power supply disconnecting switch 1G and 2G.
Furthermore it is also possible to which two electromagnetic locks are arranged, it is electromagnetic lock 1DSM and electromagnetic lock 2DSM respectively, is right in contact circuit
Answer the electromagnetic lock of isolator operation disk.The two electromagnetic locks respectively with contact disconnecting switch 1GM and get in touch with 2GM pairs of disconnecting switch
Answer, and above similarly, electromagnetic lock 1DSM is corresponding with auxiliary switch 1GM, namely corresponding with contact disconnecting switch 1GM, only when
When electromagnetic lock 1DSM obtains electric, contact disconnecting switch 1GM can be operated；Electromagnetic lock 2DSM is corresponding with auxiliary switch 2GM, namely
Corresponding with contact disconnecting switch 2GM, only when electromagnetic lock 2DSM obtains electric, contact disconnecting switch 2GM can be operated.And
And the following strategy of setting: only when network interconnecting circuit 2QF is disconnected, electromagnetic lock 1DSM and 2DSM could obtain electric, and contact is kept apart
Closing 1GM and contact disconnecting switch 2GM can be operated.So, as shown in figure 4, control device further includes third control route,
Third control line road string is equipped with electromagnetic lock 1DSM and the 6th auxiliary switch corresponding with network interconnecting circuit 2QF, electromagnetic lock 1DSM
It is in parallel with electromagnetic lock 2DSM, here, the switch state of the 6th auxiliary switch and the switch state of network interconnecting circuit 2QF on the contrary, that
, in Fig. 4, the 6th auxiliary switch is indicated with normally closed auxiliary switch 2QF, then, it is normal in Fig. 4 when network interconnecting circuit 2QF is disconnected
Auxiliary switch 2QF closure is closed, electromagnetic lock 1DSM and electromagnetic lock 2DSM obtain electric.
When being overhauled to 1 mother, when grid switching operation, it is necessary first to which closure contact disconnecting switch 1GM, contact are kept apart
Close 2GM and network interconnecting circuit 2QF.Due to only when network interconnecting circuit 2QF disconnect when, electromagnetic lock 1DSM and 2DSM could obtain it is electric,
So, it is necessary to which first closure contact disconnecting switch 1GM and contact disconnecting switch 2GM could be closed network interconnecting circuit 2QF later.
After being closed network interconnecting circuit 2QF, electromagnetic lock 1DSM and 2DSM power loss cannot again keep apart contact disconnecting switch 1GM and contact
2GM is closed to be operated.It is closed after getting in touch with disconnecting switch 1GM, contact disconnecting switch 2GM and network interconnecting circuit 2QF, i.e. auxiliary switch
The small bus electrification of GBM after 1GM, auxiliary switch 2GM and auxiliary switch 2QF are closed, at this time since power supply disconnecting switch 1G is in
Closed state, i.e. auxiliary switch 1G are in closed state, then, electromagnetic lock 2DS obtain it is electric, can to power supply disconnecting switch 2G carry out
Operation.So, closure power supply disconnecting switch 2G, obtains electromagnetic lock 1DS electric, so that it may power supply disconnecting switch 1G operated,
So, power supply disconnecting switch 1G is disconnected.Finally by network interconnecting circuit 2QF, contact disconnecting switch 1GM and contact disconnecting switch 2GM
It successively disconnects, back brake terminates, and 2 mothers devote oneself to work.
Therefore, system makes disconnecting switch various using breaker and the open and-shut mode of disconnecting switch as barring condition
It can and can only carry out correctly operating in next step under open and-shut mode.During entire back brake, the operation order quilt of disconnecting switch
Stringent limitation, ensure that the procedural of grid switching operation, it is therefore prevented that the maloperation that on-load is operated a switch.
In above-described embodiment, the purpose of setting of electromagnetic lock 1DSM and electromagnetic lock 2DSM, is: in order to get in touch with disconnecting switch 1GM,
There are certain operation orders between contact disconnecting switch 2GM and network interconnecting circuit 2QF, and certainly, this is a kind of reality of optimization
Mode is applied, as other embodiments, electromagnetic lock 1DSM and electromagnetic lock 2DSM can also be not provided with.
Specific embodiment is presented above, but the utility model is not limited to described embodiment.This is practical
Novel basic ideas are above-mentioned basic scheme, for those of ordinary skill in the art, introduction according to the present utility model,
The model, formula, parameter for designing various modifications do not need to spend creative work.The principles of the present invention are not being departed from
The protection scope of the utility model is still fallen with the change, modification, replacement and modification carried out in the case where spirit to embodiment
It is interior.
Double-bus back brake anti-misoperation control device embodiment
The present embodiment provides a kind of double-bus back brake anti-misoperation control device, double-bus back brake anti-misoperation control dresses
Setting can be separately protected.Due to being described in detail to the control device in the above system embodiment, the present embodiment is just
No longer illustrate.
Claims (8)
1. a kind of double-bus back brake anti-misoperation control device, which is characterized in that including the control drawn by power supply
Branch, the controlling brancher include the first control route being arranged in parallel and the second control route, the first control route packet
It includes and includes and branch with the second corresponding second auxiliary switch of power supply disconnecting switch on duplexure, the second control route
Corresponding first auxiliary switch of the first power supply disconnecting switch on circuit, the first control line road string set second auxiliary
Switch and the first electromagnetic lock corresponding with first auxiliary switch, the second control line road string set first auxiliary and open
Pass and the second electromagnetic lock corresponding with second auxiliary switch；When first electromagnetic lock obtains electric, first for being electrically isolated from
Pass can be operated, and when second electromagnetic lock obtains electric, the second power supply disconnecting switch can be operated.
2. double-bus back brake anti-misoperation control device according to claim 1, which is characterized in that the control device is also
Including energy supply control module, the energy supply control module includes third corresponding with the first contact disconnecting switch in contact circuit
Contact in auxiliary switch, the 4th auxiliary switch corresponding with the second contact disconnecting switch in contact circuit and contact circuit
Corresponding 5th auxiliary switch of breaker and control unit, the third auxiliary switch, the 4th auxiliary switch and the 5th auxiliary
Switch connection described control unit, described control unit exports the power supply, when third auxiliary switch, the 4th auxiliary switch
When being closed with the 5th auxiliary switch, control unit exports the power supply.
3. double-bus back brake anti-misoperation control device according to claim 2, which is characterized in that described control unit is
One power supply control route, one end of the controlling brancher connect positive pole, described in the other end connection of the controlling brancher
The other end of one end of power supply control route, the power supply control route connects power cathode, the third auxiliary switch, the 4th
Auxiliary switch and the 5th auxiliary switch string are located on the power supply control route.
4. double-bus back brake anti-misoperation control device according to claim 3, which is characterized in that the control device is also
Control route including third, third control line road string be equipped with third electromagnetic lock corresponding with the third auxiliary switch and
The 6th auxiliary switch corresponding with the network interconnecting circuit in contact circuit, the 4th electromagnetic lock corresponding with the 4th auxiliary switch
It is in parallel with the third electromagnetic lock, the switch state phase of the switch state and the network interconnecting circuit of the 6th auxiliary switch
Instead；When the third electromagnetic lock obtains electric, the first contact disconnecting switch can be operated, when the 4th electromagnetic lock obtains electric,
Second contact disconnecting switch can be operated.
5. a kind of double-bus power supply system, including major loop of double-bus and double-bus back brake anti-misoperation control device, double
Major loop of bus includes at least one contact circuit and at least one duplexure, and contact circuit includes first that string is set
Network disconnecting switch, the second contact disconnecting switch and network interconnecting circuit, the both ends for getting in touch with circuit are separately connected two buses, branch back to
Road is including the first power supply disconnecting switch, the second power supply disconnecting switch and for electrical circuit breakers, which is characterized in that the double-bus back brake
Anti-misoperation control device includes the controlling brancher drawn by power supply, and the controlling brancher includes the be arranged in parallel
One control route and the second control route, the first control route include the second auxiliary corresponding with the second power supply disconnecting switch
Switch, the second control route include the first auxiliary switch corresponding with the first power supply disconnecting switch, first control line
Road string sets second auxiliary switch and the first electromagnetic lock corresponding with first auxiliary switch, the second control route
Upper string sets first auxiliary switch and the second electromagnetic lock corresponding with second auxiliary switch；When first electromagnetic lock obtains
When electric, the first power supply disconnecting switch can be operated, and when second electromagnetic lock obtains electric, the second power supply disconnecting switch can be by
Operation.
6. double-bus power supply system according to claim 5, which is characterized in that the control device further includes power supply control
Module, the energy supply control module include third auxiliary switch corresponding with the first contact disconnecting switch, get in touch with and being isolated with second
Corresponding 4th auxiliary switch, the 5th auxiliary switch corresponding with network interconnecting circuit and control unit are switched, the third is auxiliary
Switch, the 4th auxiliary switch and the 5th auxiliary switch connection described control unit are helped, described control unit exports the power supply electricity
Source, when third auxiliary switch, the 4th auxiliary switch and the 5th auxiliary switch are closed, control unit exports the power supply electricity
Source.
7. double-bus power supply system according to claim 6, which is characterized in that described control unit is a power supply control
Route, one end of the controlling brancher connect positive pole, and the other end of the controlling brancher connects the power supply control route
One end, the other end of the power supply control route connects power cathode, the third auxiliary switch, the 4th auxiliary switch and the
Five auxiliary switch strings are located on the power supply control route.
8. double-bus power supply system according to claim 7, which is characterized in that the control device further includes third control
Route, third control line road string be equipped with third electromagnetic lock corresponding with the third auxiliary switch and in contact circuit
Corresponding 6th auxiliary switch of network interconnecting circuit, the 4th electromagnetic lock corresponding with the 4th auxiliary switch and third electricity
Magnetic padlock is in parallel, and the switch state of the 6th auxiliary switch is opposite with the switch state of the network interconnecting circuit；When the third
When electromagnetic lock obtains electric, the first contact disconnecting switch can be operated, and when the 4th electromagnetic lock obtains electric, the second contact is kept apart
Pass can be operated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820855616.0U CN208257409U (en) | 2018-06-04 | 2018-06-04 | Double-bus back brake anti-misoperation control device and double-bus power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820855616.0U CN208257409U (en) | 2018-06-04 | 2018-06-04 | Double-bus back brake anti-misoperation control device and double-bus power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208257409U true CN208257409U (en) | 2018-12-18 |
Family
ID=64653434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820855616.0U Withdrawn - After Issue CN208257409U (en) | 2018-06-04 | 2018-06-04 | Double-bus back brake anti-misoperation control device and double-bus power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208257409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574279A (en) * | 2018-06-04 | 2018-09-25 | 河南森源电气股份有限公司 | A kind of double-bus back brake anti-misoperation control device and a kind of double-bus power supply system |
-
2018
- 2018-06-04 CN CN201820855616.0U patent/CN208257409U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574279A (en) * | 2018-06-04 | 2018-09-25 | 河南森源电气股份有限公司 | A kind of double-bus back brake anti-misoperation control device and a kind of double-bus power supply system |
| CN108574279B (en) * | 2018-06-04 | 2024-01-19 | 河南森源电气股份有限公司 | Double-bus switching misoperation prevention control device and double-bus power supply system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103236362A (en) | PLC-based (programmable logic controller-based) knife switch control method and system | |
| CN110429707A (en) | A kind of distribution feeder automation protection intelligent regulator platform | |
| CN205140809U (en) | Handcart -type cubical switchboard locking circuit | |
| CN209748268U (en) | intelligent traction substation area protection device | |
| CN208257409U (en) | Double-bus back brake anti-misoperation control device and double-bus power supply system | |
| CN107579593B (en) | Energy supply system of high-voltage direct-current circuit breaker | |
| CN206023211U (en) | A kind of little bar coupler blocking device of direct current | |
| CN210780231U (en) | Intelligent distributed comprehensive test platform | |
| CN206894349U (en) | Generator auto-start control circuit and power distribution equipment | |
| CN207442445U (en) | Adaptive throw of busbar interconnection moves back circuit and back brake control system | |
| CN108462250B (en) | A kind of more power supplys for crossing split-phase electronic switch take can circuit | |
| CN207319960U (en) | A kind of bus connection switch interlock control circuit and mother system | |
| CN108574279A (en) | A kind of double-bus back brake anti-misoperation control device and a kind of double-bus power supply system | |
| CN206602360U (en) | A kind of device for realizing electrical interlocks switching | |
| CN209709747U (en) | A kind of blocking device suitable for two inlet wires one contact power supply system | |
| CN208367078U (en) | A kind of electrification in high voltage control instructions module | |
| CN207926183U (en) | A kind of bus single-subsection and double section wiring anti-incorrect manipulation deadlock control loops | |
| CN206807126U (en) | Control of power supply system circuit and electric power system | |
| CN108321682B (en) | Power distribution cabinet interlocking control system and contact cabinet control circuit thereof | |
| CN207053251U (en) | A kind of grid entry point supervising device of family expenses photovoltaic generating system | |
| CN207652133U (en) | The dual power supply automatic switching device of electric spray type generating set and alternating current | |
| CN206422387U (en) | A kind of unit power distribution cabinet mother linked system | |
| CN203277137U (en) | PLC-based disconnecting link control system | |
| CN104734027A (en) | Method for preventing mistaken power transmission of 35 kV transformer substation | |
| CN220934854U (en) | Locking circuit for preventing 400V bus from closing ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181218 Effective date of abandoning: 20240119 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181218 Effective date of abandoning: 20240119 |