CN106972489A - The positive and negative two-way anti-misoperation system of ring network power supply - Google Patents
The positive and negative two-way anti-misoperation system of ring network power supply Download PDFInfo
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- CN106972489A CN106972489A CN201710341469.5A CN201710341469A CN106972489A CN 106972489 A CN106972489 A CN 106972489A CN 201710341469 A CN201710341469 A CN 201710341469A CN 106972489 A CN106972489 A CN 106972489A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/008—Circuit arrangements for ac mains or ac distribution networks involving trading of energy or energy transmission rights
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Abstract
The present invention relates to electric power electric technical field, more particularly to a kind of two-way anti-misoperation system of positive and negative ring network power supply.The positive and negative two-way anti-misoperation system of ring network power supply includes positive power supply anti-misoperation unit, reverse power supply anti-misoperation unit, electronics electrical verification key；The positive power supply anti-misoperation unit includes the first folding condition acquisition module and the first electric locking module；The reverse power supply anti-misoperation unit includes the second folding condition acquisition module and the second electric locking module；Subordinate is needed to authorize while to subordinate's power transmission, this mode solves the problem of different ring main unit power transmission earthed switches do not have separating brake；Solve the problem of single looped network cabinet wire misses splice grafting earthing knife-switch, it is to avoid maloperation of multiple ring main units in looped network transmission process；Installation process is convenient and swift without having a power failure；The effective guarantee personal safety and the safe operation of equipment of operating personnel.
Description
Technical field
The present invention relates to electric power electric technical field, more particularly to a kind of two-way anti-misoperation system of positive and negative ring network power supply.
Background technology
At present, ring main unit is mainly by the component units cabinet such as incoming line cabinet and outgoing line cabinet, and every group of unit cabinet includes one or one
Above incoming line cabinet, multiple unit cabinets constitute ring network power supply system, structural representation such as Fig. 1 institutes of ring network power supply by the connection of its incoming line cabinet
Show.Wherein, A units are A grade ring-main unit cabinets, including cabinet 1, cabinet 2, cabinet 3 and cabinet 4, wherein cabinet 2 for A units incoming line cabinet；B is mono-
Member is B grade ring-main unit cabinets, including cabinet 1, cabinet 2, cabinet 3 and cabinet 4, and wherein cabinet 1 is unit B incoming line cabinet；B grades of ring-main unit cabinet inlet wires
The earthed switch of cabinet is G1-1, and the on-load switch (or being breaker) of A grades of ring-main unit cabinet incoming line cabinets is K2；A grades of looped network lists
The earthed switch of first cabinet incoming line cabinet is G2, and the on-load switch (or being breaker) of B grades of ring-main unit cabinet incoming line cabinets is K2-1, A
The incoming line cabinet of unit can be with positive and negative bidirectional power supply, high standard mode power with unit B incoming line cabinet.
The operating mechanism of ring-main unit cabinet, which is said good-bye, to be moved and manual+electronic two kinds of modes, usually, at on-load switch handle hole
Blocking device is installed, on-load switch can also pass through electric operating control.On-load switch or open circuit in this unit interval of ring main unit
There is mechanical interlocked control between device and earthing, can realize that forced blocking is realized in following two kind five anti-requirement：
1st, on-load switch or breaker when knife closes a floodgate can be grounded and be unable to power transmission combined floodgate；
2nd, it can realize that earthed switch can not close a floodgate when on-load switch or breaker closing.
By forced blocking, the short circuit grounding failure of power transmission maloperation can be effectively prevented.
In ring main unit operation, according to the signal map analysis to more than, when K2 (on-load switch) power transmission of A units, B is mono-
1 spacing ground switch G1-1 of member must be gate-dividing state, otherwise will result in ground connection and short trouble.
But in the prior art, different units cabinet is not present due to being that independent unit cabinet is set between different units cabinet
The control of mechanical interlocking, the problem of operating process easily causes powered splice grafting earthing knife-switch by mistake, i.e. the B grades of non-separating brake of earthing, A grades
The problem of misdelivery electricity；And it is this high standard quasi-mode of bidirectional power supply that existing ring main unit power supply mode is also mostly, so reversely supplying
When electric, above mentioned problem is equally existed.
The content of the invention
(1) technical problem to be solved
It is many to solve the technical problem to be solved in the present invention is to provide a kind of positive and negative two-way anti-misoperation system of ring network power supply
Individual ring main unit easy maloperation, the personal safety to operating personnel and safe operation of equipment when bidirectional loop network is powered easily cause prestige
The problem of evil, particularly how to be solved the above problems under this high standard quasi-mode requirement of bidirectional power supply.
(2) technical scheme
In order to solve the above technical problems, what the present invention was provided.A kind of two-way anti-misoperation system of positive and negative ring network power supply, it is special
Levy and be, it includes positive power supply anti-misoperation unit, reverse power supply anti-misoperation unit, electronics electrical verification key；The forward direction
Anti-misoperation unit of powering includes the first folding condition acquisition module and the first electric locking module；The anti-error behaviour of the reverse power supply
Making unit includes the second folding condition acquisition module and the second electric locking module；
Under positive electric power thus supplied, the first folding condition acquisition module is arranged on connecing for B grades of ring-main unit cabinet incoming line cabinets
On ground switch, to detect the folding condition of earthed switch herein；Electronics electrical verification key and the first folding condition acquisition module
Connect to obtain earthed switch folding condition information herein；The first electric locking module and A grades of ring-main unit cabinet incoming line cabinets
On-load switch be connected, to control the folding of on-load switch herein；Electronics electrical verification key connects with the first electric locking module
Connect the folding condition information that the first electric locking module described in Shi Yixiang inputs the earthed switch of B grades of ring-main unit cabinet incoming line cabinets；
In the case of reverse power supply, the second folding condition acquisition module is arranged on connecing for A grades of ring-main unit cabinet incoming line cabinets
On ground switch, to detect the folding condition of earthed switch herein；Electronics electrical verification key and the second folding condition acquisition module
Connect to obtain earthed switch folding condition information herein；The second electric locking module and B grades of ring-main unit cabinet incoming line cabinets
On-load switch be connected, to control the folding of on-load switch herein；Electronics electrical verification key connects with the second electric locking module
Connect the folding condition information that the second electric locking module described in Shi Yixiang inputs the earthed switch of A grades of ring-main unit cabinet incoming line cabinets.
Wherein, the first folding condition acquisition module includes first state detection circuit and first authorizes interface, described
First electric locking module includes the first solution lock interface and the first electric locking terminal；The second folding condition acquisition module bag
Include the second state detection circuit and second and authorize interface, the second electric locking module includes the second solution lock interface and the second electricity
Sub- locking terminal；
The first state detection circuit is arranged on the earthed switch of B grades of ring-main unit cabinet incoming line cabinets；Described first awards
Power interface is connected with first state detection circuit, and the electronics electrical verification key authorizes Interference fit with described first, is being inserted
To obtain earthed switch folding condition information herein when entering the first mandate interface；The first electric locking terminal and A grades of looped networks
The on-load switch of unit cabinet incoming line cabinet is connected；The first solution lock interface is connected with the first electric locking terminal, the electricity
Sub- electrical verification key and the described first unblock Interference fit, insert first solve lock interface when with to the first electric locking terminal
Input the folding condition information of the earthed switch of B grades of ring-main unit cabinet incoming line cabinets；
Second state detection circuit is arranged on the earthed switch of A grades of ring-main unit cabinet incoming line cabinets；Described second awards
Power interface is connected with second state detection circuit, and the electronics electrical verification key authorizes Interference fit with described second, is being inserted
To obtain earthed switch folding condition information herein when entering the second mandate interface；The second electric locking terminal and B grades of looped networks
The on-load switch of unit cabinet incoming line cabinet is connected；The second solution lock interface is connected with the second electric locking terminal, the electricity
Sub- electrical verification key and the described second unblock Interference fit, insert second solve lock interface when with to the second electric locking terminal
Input the folding condition information of the earthed switch of A grades of ring-main unit cabinet incoming line cabinets.
Wherein, the auxiliary contact of the first state detection circuit and the earthed switch of B grades of ring-main unit cabinet incoming line cabinets connects
Connect；Second state detection circuit is connected with the auxiliary contact of the earthed switch of A grades of ring-main unit cabinet incoming line cabinets.
Wherein, the first electric locking terminal is the first electric padlock locking terminal, and the first solution lock interface is located at
In first electric padlock locking terminal；The first electric padlock locking terminal is arranged on A grades of ring-main unit cabinet incoming line cabinet loads
On the handle hole of switch；The second electric locking terminal is the second electric padlock locking terminal, the second solution lock interface position
In in the second electric padlock locking terminal；The second electric padlock locking terminal is arranged on B grades of ring-main unit cabinet incoming line cabinets and born
On the handle hole of lotus switch.
Wherein, the first electric locking terminal and the second electric locking terminal are anti-error electric operating control electricity
Road, the anti-error electric operating control circuit is arranged on the main inlet wire of corresponding motor-operating mechanism, and A grades of ring-main unit cabinets enter
The anti-error electric operating control circuit of line cabinet is connected with the described first solution lock interface；The anti-error electricity of B grades of ring-main unit cabinet incoming line cabinets
Dynamic operation control circuit is connected with the described second solution lock interface.
Wherein, the anti-error electric operating control circuit of A grades of ring-main unit cabinet incoming line cabinets includes the first relay, the second relay
Device, the first node and the second node；First node is connected with corresponding motor-operating mechanism, the second node and corresponding electronic behaviour
Make the power input connection of mechanism；First relay is connected between the first node and the second node, the second relay
It is connected between the first node and the second node；The anti-error electric operating of A grades of ring-main unit cabinet incoming line cabinets controls circuit and corresponding
A grades of ring-main unit cabinet incoming line cabinet earthed switch auxiliary contact are connected between main incoming power.
Wherein, the anti-error electric operating control circuit of B grades of ring-main unit cabinet incoming line cabinets includes the first relay, the second relay
Device, the first node and the second node；First node is connected with corresponding motor-operating mechanism, the second node and corresponding electronic behaviour
Make the power input connection of mechanism；First relay is connected between the first node and the second node, the second relay
It is connected between the first node and the second node；The anti-error electric operating of B grades of ring-main unit cabinet incoming line cabinets controls circuit and corresponding
B grades of ring-main unit cabinet incoming line cabinet earthed switch auxiliary contact are connected between main incoming power.
Wherein, the first solution lock interface and the anti-error electric operating of A grades of ring-main unit cabinet incoming line cabinets are controlled in circuit
Second relay is connected；Second state detection circuit, second authorize interface, the first solution lock interface and A grades of ring-main unit cabinets
The anti-error electric operating control circuit of incoming line cabinet is integrated to be set.
Wherein, the second solution lock interface and the anti-error electric operating of B grades of ring-main unit cabinet incoming line cabinets are controlled in circuit
Second relay is connected；The first state detection circuit, first authorize interface, the second solution lock interface and B grades of ring-main unit cabinets
The anti-error electric operating control circuit of incoming line cabinet is integrated to be set.
Wherein, the electronics electrical verification key include memory module and be sequentially connected power module, key controller module and
Electrical verification joint, electrical verification joint is engaged with the described first mandate interface and the second mandate interface；The memory module and the key
Spoon control module connection, to store the folding condition information of corresponding earthed switch；The electronics electrical verification key also includes display mould
Block and alarm modules, the display module are connected with the key controller module, to show the folding condition of corresponding earthed switch
Information；The alarm modules are connected with the key controller module, and latching connector or the second unblock are solved in electrical verification joint insertion first
Joint and corresponding on-load switch send a warning when being not turned on.
(3) beneficial effect
The above-mentioned technical proposal of the present invention has the following advantages that：
In the positive and negative two-way anti-misoperation system of ring network power supply of the present invention, in the case of forward direction power supply, at B grades (or under being
Level) ring-main unit cabinet incoming line cabinet earthed switch on the first folding condition acquisition module is installed, when earthed switch closes a floodgate, first
Folding condition acquisition module exports block signal, and when grounding switch tripping, the output of the first folding condition acquisition module, which is unlocked, believes
Number；Electronics electrical verification key is connected acquisition earthed switch folding condition information with the first folding condition acquisition module；Electronics is tested
With connecing to the first electric locking module B grades of ring-main unit cabinet incoming line cabinets of input when Electrical key is connected with the first electric locking module
The folding condition information of ground switch, just opens on-load switch, carries out power transmission.During reverse power supply, the second folding condition acquisition module
On the earthed switch for being arranged on A grades of (or being higher level) ring-main unit cabinet incoming line cabinets, the second electric locking module and B grades of looped network lists
The on-load switch of first cabinet incoming line cabinet is connected, to control the folding of on-load switch herein.
In the present invention, B grades of mandates are needed while to B grades of (or being subordinate) power transmissions, this mode solves difference
Not the problem of ring main unit power transmission earthed switch does not have separating brake；Solve the problem of single looped network cabinet wire misses splice grafting earthing knife-switch, it is to avoid many
Maloperation of the individual ring main unit in looped network transmission process；Installation process is convenient and swift without having a power failure；Effective guarantee operating personnel
Personal safety and equipment safe operation.
Brief description of the drawings
Fig. 1 is the structural representation of ring network power supply in the prior art.
Fig. 2 for positive electric power thus supplied in the control structure of the positive and negative two-way anti-misoperation system of ring network power supply of the invention control
Principle schematic；
Fig. 3 matches somebody with somebody for the first shell mechanism of the positive and negative two-way anti-misoperation system of ring network power supply of the invention with electronics electrical verification key
The schematic diagram of conjunction；
Fig. 4 is the unlocking manner of electronic unblock and manual unlocking in the positive and negative two-way anti-misoperation system of ring network power supply of the invention
Schematic diagram；
Fig. 5 is that the control of anti-error electric operating control circuit in the positive and negative two-way anti-misoperation system of ring network power supply of the invention is former
Manage schematic diagram；
Fig. 6 matches somebody with somebody for the second shell structure of the positive and negative two-way anti-misoperation system of ring network power supply of the invention with electronics electrical verification key
The schematic diagram of conjunction.
In figure：1st, anti-error electric operating control circuit；2nd, the first relay；3rd, the second relay；4th, motor-operating mechanism；
5th, earthed switch auxiliary contact；6th, the first solution lock interface；7th, first interface is authorized；8th, electronics electrical verification key；9th, the first housing；
10th, the first node；11st, the second node；12nd, the second solution lock interface；13：Second authorizes interface；14th, the second housing.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
In description of the invention, it is to be understood that term " " center ", " top ", " bottom " " interior ", " outer ", " just ", negation,
The orientation or position relationship of the instructions such as " higher level ", " subordinate " are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used
In description purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The two-way anti-misoperation system of positive and negative ring network power supply provided in an embodiment of the present invention includes positive power supply anti-misoperation list
Member, reverse power supply anti-misoperation unit, electronics electrical verification key；The positive power supply anti-misoperation unit includes the first folding condition
Acquisition module and the first electric locking module；The reverse power supply anti-misoperation unit include the second folding condition acquisition module and
Second electric locking module；
Under positive electric power thus supplied, the first folding condition acquisition module is arranged on B grades of (or being subordinate) ring-main units
On the earthed switch of cabinet incoming line cabinet, to detect the folding condition of earthed switch herein；Electronics electrical verification key and first folding
State acquisition module connects to obtain earthed switch folding condition information herein；The first electric locking module with A grades (or
For higher level) on-load switch of ring-main unit cabinet incoming line cabinet is connected, to control the folding of on-load switch herein；Electronics electrical verification key with
With connecing to the first electric locking module B grades of ring-main unit cabinet incoming line cabinets of input during the first electric locking module connection
The folding condition information of ground switch；
In the case of reverse power supply, the second folding condition acquisition module is arranged on connecing for A grades of ring-main unit cabinet incoming line cabinets
On ground switch, to detect the folding condition of earthed switch herein；Electronics electrical verification key and the second folding condition acquisition module
Connect to obtain earthed switch folding condition information herein；The second electric locking module and B grades of ring-main unit cabinet incoming line cabinets
On-load switch be connected, to control the folding of on-load switch herein；Electronics electrical verification key connects with the second electric locking module
Connect the folding condition information that the second electric locking module described in Shi Yixiang inputs the earthed switch of A grades of ring-main unit cabinet incoming line cabinets.
In above-described embodiment, in the case of forward direction power supply, the is installed on the earthed switch of B grades of ring-main unit cabinet incoming line cabinets
One folding condition acquisition module, when earthed switch closes a floodgate, the first folding condition acquisition module output block signal, when ground connection is opened
First folding condition acquisition module output unlocking signal when closing separating brake；Electronics electrical verification key gathers mould with first folding condition
Block connection obtains earthed switch folding condition information；With electric to first when electronics electrical verification key is connected with the first electric locking module
Sub- lock modules input the folding condition information of the earthed switch of B grades of ring-main unit cabinet incoming line cabinets, just open on-load switch, carry out
Power transmission.During reverse power supply, the second folding condition acquisition module is arranged on the earthed switch of A grades of ring-main unit cabinet incoming line cabinets, the
Two electric locking modules are connected with the on-load switch of B grades of ring-main unit cabinet incoming line cabinets, to control the folding of on-load switch herein.Its
In " A grades ", " B grades " be corresponding description, it would however also be possible to employ other modes name gives giving in the power supply of different directions
Supplier of electricity is distinguished with receiving electricity side.
B grades of mandates, this mode solution are needed in the ring network power supply anti-misoperation system of the present invention while to B grades of power transmissions
Not the problem of different ring main unit power transmission earthed switches of having determined do not have separating brake；Solve single looped network cabinet wire and miss asking for splice grafting earthing knife-switch
Topic, it is to avoid maloperation of multiple ring main units in looped network transmission process；Installation process is convenient and swift without having a power failure；Effective guarantee
The personal safety and the safe operation of equipment of operating personnel.
Specifically, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 6, the first folding condition acquisition module includes first state detection
Circuit and first authorizes interface 7, and the first electric locking module includes the first solution electric locking terminal of lock interface 6 and first；Second
Folding condition acquisition module includes the second state detection circuit and second authorizes interface 13, and the second electric locking module includes second
Solve the electric locking terminal of lock interface 12 and second；
First state detection circuit is arranged on the earthed switch of B grades of ring-main unit cabinets (being specially unit B) incoming line cabinet (cabinet 1)
On G1-1；First mandate interface 7 is connected with first state detection circuit, and electronics electrical verification key 8 coordinates with the first mandate interface 7,
Insert first authorize interface 7 when to obtain earthed switch folding condition information herein；First electric locking terminal and A grades of looped networks
The on-load switch K2 of unit cabinet (being specially A units) incoming line cabinet (cabinet 2) is connected；First solution lock interface 6 and first electric locking is whole
End connection, electronics electrical verification key 8 coordinates with the first solution lock interface 6, when inserting the first solution lock interface 6 with to the first electric locking
Terminal inputs the folding condition information of the earthed switch of B grades of ring-main unit cabinet incoming line cabinets；
In above-described embodiment, during forward direction power supply, first state detection circuit is installed in the earthed switch G1-1 of unit B, when
When earthed switch G1-1 closes a floodgate, first state detection circuit output block signal, the first state when earthed switch G1-1 separating brakes
Detect circuit output unlocking signal；Electronics electrical verification key 8 with first mandate interface 7 coordinate, insert first authorize interface 7 when with
Obtain earthed switch folding condition information；First electric locking terminal and A grades of ring-main unit cabinets (being specially A units) incoming line cabinet
The on-load switch K2 of (cabinet 2) is connected, after the unlocking signal of electronics electrical verification key 8 is obtained, and just opens on-load switch K2, is sent
Electricity；That is, must could be operated with the electrical verification of electronics electrical verification key 8 when wanting power transmission on-load switch K2 to close a floodgate, the unlocking signal got
It is exactly that unit B earthed switch G1-1 separating brakes are not grounded, power transmission operation can be carried out.
Specifically, the second state detection circuit is arranged on A grades of ring-main unit cabinets (being specially A units) incoming line cabinet (cabinet 2)
On earthed switch (G2)；Second mandate interface is connected with the second state detection circuit, and electronics electrical verification key 8 and second authorizes interface
Coordinate, insert second authorize interface when to obtain earthed switch folding condition information herein；Second electric locking terminal with B grades
The on-load switch K2-1 of ring-main unit cabinet (being specially unit B) incoming line cabinet (cabinet 1) is connected；Second solution lock interface is closed with the second electronics
Lock terminal connection, the unblock Interference fit of electronics electrical verification key 8 and second, when inserting the second solution lock interface to be closed to the second electronics
Lock the folding condition information that terminal inputs the earthed switch G2 of A grades of ring-main unit cabinet incoming line cabinets.
During reverse power supply, the second state detection circuit is installed in the earthed switch G2 of A units, when earthed switch G2 closes a floodgate
When, the second state detection circuit output block signal, when earthed switch G2 separating brakes, the output of the second state detection circuit, which is unlocked, believes
Number；Electronics electrical verification key 8 and second authorizes Interference fit, insert second authorize interface when to obtain earthed switch G2 folding shapes
State information；Second electric locking terminal and the on-load switch K2-1 of B grades of ring-main unit cabinets (being specially unit B) incoming line cabinet (cabinet 1)
It is connected, after the unlocking signal of electronics electrical verification key 8 is obtained, just opens on-load switch K2-1, carry out power transmission；That is, wanting power transmission
On-load switch K2-1 must could be operated when closing a floodgate with the electrical verification of electronics electrical verification key 8, and the unlocking signal got is exactly A units ground connection
Switch G2 separating brakes are not grounded, and can carry out power transmission operation.
Further, the auxiliary contact of first state detection circuit and the earthed switch of B grades of ring-main unit cabinet incoming line cabinets connects
Connect；Second state detection circuit is connected with the auxiliary contact of the earthed switch of A grades of ring-main unit cabinet incoming line cabinets.State detection circuit
State depend on earthed switch auxiliary contact state, when earthed switch closes a floodgate, state detection circuit export block signal,
When grounding switch tripping, state detection circuit exports unlocking signal.
Electric locking terminal, which is unlocked, in the present invention two kinds of forms, and one kind is manual mode, and one kind is electric model.
Manual mode is：First electric locking terminal is the first electric padlock locking terminal, and the first solution lock interface 6 is located at the
In one electric padlock locking terminal；First electric padlock locking terminal is arranged on A grades of ring-main unit cabinet incoming line cabinet on-load switches
On handle hole；Second electric locking terminal is the second electric padlock locking terminal, and the second solution lock interface is located at the second electric padlock
In locking terminal；Second electric padlock locking terminal is arranged on the handle hole of B grades of ring-main unit cabinet incoming line cabinet on-load switches.Just
To power supply, the first electric padlock locking terminal is opened by electronics electrical verification key 8, manually by the first electric padlock locking terminal from
Handle hole is removed, and then carries out on-load switch K2 operation；Reverse power supply, opens the second electronics by electronics electrical verification key 8 and hangs
Locking locks terminal, manually removes the second electric padlock locking terminal from handle hole, and then carries out on-load switch K2-1 operation.
Electric model：First electric locking terminal and the second electric locking terminal are anti-error electric operating control circuit 1
(such as in Fig. 5), anti-error electric operating control circuit 1 is arranged on the main inlet wire of corresponding motor-operating mechanism 4 (i.e. with A grades of rings
Anti-error electric operating control circuit associated net unit cabinet incoming line cabinet on-load switch K2 is arranged on A grades of ring-main unit cabinet incoming line cabinets
Motor-operating mechanism main inlet wire on, pass through control motor-operating mechanism herein and then control on-load switch K2 folding；
The anti-error electric operating control circuit associated with B grades of ring-main unit cabinet incoming line cabinet on-load switch K2-1 is arranged on B grades of looped network lists
On the main inlet wire of the motor-operating mechanism 4 of first cabinet incoming line cabinet, by controlling motor-operating mechanism herein and then controlling load to open
Close K2-1 folding), the anti-error electric operating control circuit of A grades of ring-main unit cabinet incoming line cabinets is connected with the first solution lock interface 6；B
The anti-error electric operating control circuit of level ring-main unit cabinet incoming line cabinet is connected with the second solution lock interface.Electronics electrical verification key 8 is inserted
The first solution solution lock interface of lock interface 6 or second, controls circuit to automatically control electric operating machine by corresponding anti-error electric operating
Structure, and then realize the folding of corresponding on-load switch.
Further, as shown in figure 5, the anti-error electric operating control circuit 1 of A grades of ring-main unit cabinet incoming line cabinets includes first
Relay 2, the second relay 3, the first node 10 and the second node 11；First node 10 connects with corresponding motor-operating mechanism 4
Connect, the second node 11 is connected with the power input of corresponding motor-operating mechanism 4；First relay 2 is connected to the first node
And second between node, the second relay 3 is connected between the first node and the second node；Further, the first solution lock interface 6
It is connected with the second relay in the anti-error electric operating control circuit of A grades of ring-main unit cabinet incoming line cabinets；A grades of ring-main unit cabinets enter
A grades of ring-main unit cabinet incoming line cabinet earthed switches are connected between the anti-error electric operating control circuit and corresponding main incoming power of line cabinet
Auxiliary contact 5.Because being required according to anti-misoperation, auxiliary contact folding herein is patrolled with the folding of corresponding motor-operating mechanism
It is consistent to collect.Electric operating can carry out remote operation and local operation, and electrically operated principle is actually in A units
Cabinet 2 is found into electrically operated motor-operating mechanism 4, the main inlet wire of motor-operating mechanism 4 with an anti-error electric operating
The control of circuit 1 is controlled to get up.
In above-mentioned control circuit, the first solution lock interface 6, which is connected to after electrical verification unlocking information, to be triggered the second relay 3 and works, the
Two relays 3 connect the first node 10 with the second node 11, and corresponding motor-operating mechanism 4 works, control on-load switch K2
Combined floodgate power transmission；Meanwhile, after the first node 10 is connected with the second node 11, the first relay 2 acquisition power supply, and the work that is triggered,
After electronics electrical verification key 88 is removed, in the case that the disconnection of the second relay 3 is stopped, the constant conduction work of the first relay 2
Make, maintain the work of motor-operating mechanism 4, power transmission state continues.
Further, it is above-mentioned to prevent the electrically operated operation principle of electric operating misdelivery from do described below during positive power supply：
3.1A units earthed switch (G2) is connected in series to power supply major loop, is accessed by the first relay 2 and the second relay 3
After corresponding motor-operating mechanism 4, earthed switch G2 separating brakes, earthed switch G2 auxiliary contact 5 are turned on；After earthed switch G2 closes a floodgate
Auxiliary contact are disconnected, and major loop is stopped power supply；When now operating the on-load switch of A unit cabinets 2 combined floodgate, controlled by mechanical interlocking
System, it is necessary to which, first by earthed switch G2 separating brakes, major loop ground auxiliary contact are begun to turn on after separating brake, pass through electronics electrical verification key 88
Got after electrical verification after unlocking instruction, electronics electrical verification key 88 and electrical verification interface (the first solution lock interface 66) control circuit communication are driven
Dynamic second relay 3 (KA2) conducting, after the conducting of the second relay 3 (KA2), the first relay 2 (KA1) obtains power supply and starts guarantor
Conducting is held, now motor-operating mechanism 4 obtains power supply, electronics electrical verification key 88 removes completion combined floodgate power transmission.
A distant place and local operation are directly carried out during the 3.2 electronic separating brake of needs to complete, after power failure, at on-load switch KA2
In gate-dividing state, earthed switch G2 can be closed a floodgate, carry out inspection operation flow, be now grounded auxiliary contact and be in open circuit shape
State, has overhauled the step of rear power transmission operation need to repeat 3.1.
Similarly, the anti-error electric operating control circuit of B grades of ring-main unit cabinet incoming line cabinets includes the first relay, the second relay
Device, the first node and the second node；First node is connected with corresponding motor-operating mechanism, the second node and corresponding electronic behaviour
Make the power input connection of mechanism；First relay is connected between the first node and the second node, the connection of the second relay
Between the first node and the second node, similarly, the second solution lock interface and the anti-error electronic behaviour of B grades of ring-main unit cabinet incoming line cabinets
Make the second relay connection in control circuit；The anti-error electric operating of B grades of ring-main unit cabinet incoming line cabinets controls circuit and corresponding
B grades of ring-main unit cabinet incoming line cabinet earthed switch auxiliary contact are connected between main incoming power.Because being required according to anti-misoperation, this
The auxiliary contact folding at place is consistent with the folding logic of corresponding motor-operating mechanism.Electric operating can be grasped remotely
Make and local operation, electrically operated principle is actually to be found in unit B cabinet 1 into electrically operated electric operating machine
Structure, gets up the main inlet wire of motor-operating mechanism with an anti-error electric operating control circuit control.
Similarly, during reverse power supply, prevent electric operating from misdelivering electrically operated operation principle as above.It will not be repeated here.
Preferably, as shown in fig. 6, the second state detection circuit, the second mandate interface 13, first solution lock interface 6 and A grades of rings
The anti-error electric operating control circuit of net unit cabinet incoming line cabinet is integrated to be set, and is such as integrally disposed on the second housing 14；
By integrated setting, more compact structure, it is more convenient to install.
Preferably, as shown in figure 3, first state detection circuit, the first mandate interface 7, second solution lock interface 12 and B grades of rings
The anti-error electric operating control circuit 1 of net unit cabinet incoming line cabinet is integrated to be set, as shown in figure 3, can be integrally disposed in
On first housing 9；By integrated setting, more compact structure, it is more convenient to install.
Specifically, electronics electrical verification key 8 includes memory module and the power module being sequentially connected, key controller module and tested
Electric connection, electrical verification joint authorizes interface to be engaged with the first mandate interface 7 and second；Memory module connects with key controller module
Connect, to store the folding condition information of corresponding earthed switch；Electronics electrical verification key 8 also includes display module and alarm modules, shows
Show that module is connected with key controller module, to show the folding condition information of corresponding earthed switch；Alarm modules and key controller
Module is connected, electrical verification joint insertion first solve latching connector or the second solution latching connector and corresponding on-load switch be not turned on when send out
Go out warning information.
It the above is only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, without departing from the technical principles of the invention, some improvement and modification can also be made, these improvement and modification also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of two-way anti-misoperation system of positive and negative ring network power supply, it is characterised in that it include positive power supply anti-misoperation unit,
Reverse power supply anti-misoperation unit, electronics electrical verification key；The positive power supply anti-misoperation unit is adopted including the first folding condition
Collect module and the first electric locking module；The reverse power supply anti-misoperation unit includes the second folding condition acquisition module and the
Two electric locking modules；
Under positive electric power thus supplied, the ground connection that the first folding condition acquisition module is arranged on B grades of ring-main unit cabinet incoming line cabinets is opened
Shut, to detect the folding condition of earthed switch herein；Electronics electrical verification key is connected with the first folding condition acquisition module
To obtain earthed switch folding condition information herein；The first electric locking module is born with A grade ring-main unit cabinet incoming line cabinets
Lotus switch is connected, to control the folding of on-load switch herein；When electronics electrical verification key is connected with the first electric locking module
With the folding condition information for the earthed switch that B grades of ring-main unit cabinet incoming line cabinets are inputted to the first electric locking module；
In the case of reverse power supply, the ground connection that the second folding condition acquisition module is arranged on A grades of ring-main unit cabinet incoming line cabinets is opened
Shut, to detect the folding condition of earthed switch herein；Electronics electrical verification key is connected with the second folding condition acquisition module
To obtain earthed switch folding condition information herein；The second electric locking module is born with B grade ring-main unit cabinet incoming line cabinets
Lotus switch is connected, to control the folding of on-load switch herein；When electronics electrical verification key is connected with the second electric locking module
With the folding condition information for the earthed switch that A grades of ring-main unit cabinet incoming line cabinets are inputted to the second electric locking module.
2. the positive and negative two-way anti-misoperation system of ring network power supply as claimed in claim 1, it is characterised in that the first folding shape
The first state that state acquisition module includes detects circuit and first authorizes interface, and the first electric locking module includes the first unblock
Interface and the first electric locking terminal；The second folding condition acquisition module includes the second state detection circuit and second and authorized
Interface, the second electric locking module includes the second solution lock interface and the second electric locking terminal；
The first state detection circuit is arranged on the earthed switch of B grades of ring-main unit cabinet incoming line cabinets；First mandate connects
Mouthful be connected with first state detection circuit, the electronics electrical verification key and the described first mandate Interference fit are inserting the
One authorizes during interface to obtain earthed switch folding condition information herein；The first electric locking terminal and A grades of ring-main units
The on-load switch of cabinet incoming line cabinet is connected；The first solution lock interface is connected with the first electric locking terminal, and the electronics is tested
Electrical key with described first unblock Interference fit, insert first solve lock interface when with to the first electric locking terminal input
The folding condition information of the earthed switch of B grades of ring-main unit cabinet incoming line cabinets；
Second state detection circuit is arranged on the earthed switch of A grades of ring-main unit cabinet incoming line cabinets；Second mandate connects
Mouthful be connected with second state detection circuit, the electronics electrical verification key and the described second mandate Interference fit, inserting the
Two authorize during interface to obtain earthed switch folding condition information herein；The second electric locking terminal and B grades of ring-main units
The on-load switch of cabinet incoming line cabinet is connected；The second solution lock interface is connected with the second electric locking terminal, and the electronics is tested
Electrical key with described second unblock Interference fit, insert second solve lock interface when with to the second electric locking terminal input
The folding condition information of the earthed switch of A grades of ring-main unit cabinet incoming line cabinets.
3. the positive and negative two-way anti-misoperation system of ring network power supply as claimed in claim 2, it is characterised in that the first state inspection
Slowdown monitoring circuit is connected with the auxiliary contact of the earthed switch of B grades of ring-main unit cabinet incoming line cabinets；Second state detection circuit with A grades
The auxiliary contact connection of the earthed switch of ring-main unit cabinet incoming line cabinet.
4. the positive and negative two-way anti-misoperation system of ring network power supply as claimed in claim 3, it is characterised in that：First electronics is closed
Lock terminal is the first electric padlock locking terminal, and the first solution lock interface is located in the first electric padlock locking terminal；It is described
First electric padlock locking terminal is arranged on the handle hole of A grades of ring-main unit cabinet incoming line cabinet on-load switches；Second electronics
Locking terminal is the second electric padlock locking terminal, and the second solution lock interface is located in the second electric padlock locking terminal；Institute
The second electric padlock locking terminal is stated on the handle hole of B grades of ring-main unit cabinet incoming line cabinet on-load switches.
5. the positive and negative two-way anti-misoperation system of ring network power supply as claimed in claim 3, it is characterised in that：First electronics is closed
Lock terminal and the second electric locking terminal are anti-error electric operating control circuit, the anti-error electric operating control circuit
It is arranged on the main inlet wire of corresponding motor-operating mechanism, the anti-error electric operating control circuit of A grades of ring-main unit cabinet incoming line cabinets
It is connected with the described first solution lock interface；The anti-error electric operating control circuit of B grades of ring-main unit cabinet incoming line cabinets and the described second solution
Lock interface is connected.
6. the positive and negative two-way anti-misoperation system of ring network power supply as claimed in claim 5, it is characterised in that：A grades of ring-main unit cabinets
The anti-error electric operating control circuit of incoming line cabinet includes the first relay, the second relay, the first node and the second node；First
Node is connected with corresponding motor-operating mechanism, and the second node is connected with the power input of corresponding motor-operating mechanism；Institute
The first relay is stated to be connected between the first node and the second node, the second relay be connected to the first node and the second node it
Between；A grades of looped network lists are connected between the anti-error electric operating control circuit and corresponding main incoming power of A grades of ring-main unit cabinet incoming line cabinets
First cabinet incoming line cabinet earthed switch auxiliary contact.
7. the positive and negative two-way anti-misoperation system of ring network power supply as claimed in claim 5, it is characterised in that：B grades of ring-main unit cabinets
The anti-error electric operating control circuit of incoming line cabinet includes the first relay, the second relay, the first node and the second node；First
Node is connected with corresponding motor-operating mechanism, and the second node is connected with the power input of corresponding motor-operating mechanism；Institute
The first relay is stated to be connected between the first node and the second node, the second relay be connected to the first node and the second node it
Between；B grades of looped network lists are connected between the anti-error electric operating control circuit and corresponding main incoming power of B grades of ring-main unit cabinet incoming line cabinets
First cabinet incoming line cabinet earthed switch auxiliary contact.
8. the positive and negative two-way anti-misoperation system of ring network power supply as claimed in claim 6, it is characterised in that：The first solution interlocking
Mouth is connected with the second relay in the anti-error electric operating control circuit of A grades of ring-main unit cabinet incoming line cabinets；Second state
Detect that circuit, second authorize the anti-error electric operating control circuit of interface, the first solution lock interface and A grades of ring-main unit cabinet incoming line cabinets
It is integrated to set.
9. the positive and negative two-way anti-misoperation system of ring network power supply as claimed in claim 7, it is characterised in that：The second solution interlocking
Mouth is connected with the second relay in the anti-error electric operating control circuit of B grades of ring-main unit cabinet incoming line cabinets；The first state
Detect that circuit, first authorize the anti-error electric operating control circuit of interface, the second solution lock interface and B grades of ring-main unit cabinet incoming line cabinets
It is integrated to set.
10. the two-way anti-misoperation system of positive and negative ring network power supply as described in claim any one of 1-9, it is characterised in that described
Electronics electrical verification key includes memory module and the power module, key controller module and the electrical verification joint that are sequentially connected, electrical verification joint
It is engaged with the described first mandate interface and the second mandate interface；The memory module is connected with the key controller module, with
Store the folding condition information of corresponding earthed switch；The electronics electrical verification key also includes display module and alarm modules, described
Display module is connected with the key controller module, to show the folding condition information of corresponding earthed switch；The alarm modules
It is connected with the key controller module, in the solution latching connector of electrical verification joint insertion first or the second solution latching connector, corresponding load is opened
Sent a warning when pass is not turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710341469.5A CN106972489B (en) | 2017-05-16 | 2017-05-16 | Forward and reverse looped network power supply bidirectional misoperation prevention system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710341469.5A CN106972489B (en) | 2017-05-16 | 2017-05-16 | Forward and reverse looped network power supply bidirectional misoperation prevention system |
Publications (2)
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| CN106972489A true CN106972489A (en) | 2017-07-21 |
| CN106972489B CN106972489B (en) | 2023-10-27 |
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| CN201710341469.5A Active CN106972489B (en) | 2017-05-16 | 2017-05-16 | Forward and reverse looped network power supply bidirectional misoperation prevention system |
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| CN107621805A (en) * | 2017-09-30 | 2018-01-23 | 国网黑龙江省电力有限公司黑河供电公司 | Electric substation's uniline anti-misoperation system |
| CN111585177A (en) * | 2020-04-30 | 2020-08-25 | 广东电网有限责任公司广州供电局 | Anti-misoperation locking device, system, method and power distribution system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106972489B (en) | 2023-10-27 |
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