CN109301930A - Ring main unit emergency operation power supply - Google Patents
Ring main unit emergency operation power supply Download PDFInfo
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- CN109301930A CN109301930A CN201811391832.5A CN201811391832A CN109301930A CN 109301930 A CN109301930 A CN 109301930A CN 201811391832 A CN201811391832 A CN 201811391832A CN 109301930 A CN109301930 A CN 109301930A
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- power supply
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- energy storage
- control device
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- 238000004146 energy storage Methods 0.000 claims abstract description 103
- 239000003990 capacitor Substances 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 17
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 10
- 229910052744 lithium Inorganic materials 0.000 description 10
- 238000003825 pressing Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Provided in this application is a looped netowrk cabinet emergency operation power. The emergency operation power supply of the ring main unit comprises a control device, a first power supply device, a second power supply device and a power supply switching device. The control device is used for controlling the on-off of a control coil of a circuit breaker in the power grid. The first power supply device is electrically connected with the control device and used for supplying power to the control device. The second power supply device is electrically connected with the control device and the generator. When the first power supply device can not supply power for the control device, the ring main unit emergency operation power supply is switched to the second power supply device through the power supply switching device. The generator supplies power to the control device through the second power supply device. Therefore, even if the power grid fails or the electric energy of the energy storage device is used up, the second power supply device is electrically connected with the generator to continuously supply power for the ring main unit.
Description
Technical field
The present invention relates to electrical network fields, more particularly to a kind of ring network cabinet emergency operation power supply.
Background technique
The division of ring network cabinet energy, bearing load electric current, looped network electric current are the important equipments in ring network power supply system.In power grid
Using the on-off of breaker control power network line.The signal control terminal of breaker is arranged in ring network cabinet emergency operation power supply.
The operational process such as the switch operation and internal information communication of ring network cabinet need power supply continued power.But the prior art
In, the power supply power supply switch terminal of ring network cabinet is generally connect with power grid or energy storage device.When the grid collapses or energy storage device
When electric energy is used up, ring network cabinet will be unable to continue to operate.How just can guarantee that the continued power of ring network cabinet emergency operation power supply is urgently
Problem to be solved.
Summary of the invention
Based on this, it is necessary to for when the grid collapses or when energy storage device electric energy is used up, ring network cabinet will be unable to after
The problem of continuous operation, provide a kind of ring network cabinet emergency operation power supply.
A kind of ring network cabinet emergency operation power supply includes control device, the first power supply unit, the second power supply unit and for cutting
Changing device.The control device is used to control the on-off of grid disruption road device.First power supply unit and the control device
Electrical connection, for powering for the control device.Second power supply unit includes generator, the generator and the control
Device electrical connection.The power switching device is electrically connected to the control device and first power supply unit and described second and supplies
Between electric installation.When the power switching device is connected with first power supply unit, first power supply unit passes through described
Power switching device is control device power supply, described when the power switching device is connected with second power supply unit
Second power supply unit is control device power supply by the power switching device.
In one embodiment, the power switching device includes the first single-pole double-throw switch (SPDT).First single-pole double throw
Switch includes the first terminals, the second terminals, third terminals and the first plug-in strip, and first plug-in strip includes the first fixing end
With the first movable end, first fixing end is electrically connected with first terminals, and first terminals and the control fill
Electrical connection is set, second terminals are electrically connected with first power supply unit, the third terminals and second power supply
Device electrical connection.
When first movable end is electrically connected with second terminals, first terminals and second wiring
End conducting, first power supply unit is control device power supply, when first movable end and third terminals electricity
When connection, first terminals are connected with the third terminals, and second power supply unit is control device power supply.
In one embodiment, first power supply unit includes the first energy storage device, charging unit and increasing apparatus.Institute
It states the first energy storage device to be electrically connected with second terminals, for powering for the control device.The charging unit is electrically connected
It is connected between first energy storage device and the power grid, for charging for first energy storage device.The increasing apparatus electricity
It is connected between first energy storage device and the control device.
In one embodiment, second power supply unit further includes fairing, and the fairing is electrically connected to institute
It states between generator and the third terminals.
In one embodiment, the ring network cabinet emergency operation power supply further includes display device.The display device and institute
Control device electrical connection is stated, for showing the control device voltage.
In one embodiment, the ring network cabinet emergency operation power supply further includes the second single-pole double-throw switch (SPDT).Second hilted broadsword
Commutator includes the 4th terminals, the 5th terminals, the 6th terminals and the second plug-in strip, and second plug-in strip includes second solid
Fixed end and the second movable end, second fixing end are electrically connected with the 4th terminals, and the 4th terminals are shown with described
Showing device electrical connection, the 5th terminals are electrically connected with the control device, the 6th terminals and first energy storage
Device electrical connection.
When second movable end is electrically connected with the 5th terminals, the 4th terminals and the 5th wiring
End conducting, the display device show the voltage of the control device, when second movable end and the 6th terminals electricity
When connection, the 4th terminals are connected with the 6th terminals, and the display device shows first energy storage device
Voltage.
In one embodiment, the control device includes: the second energy storage device, the first branch and second branch.It is described
Second energy storage device is electrically connected with first terminals.The first branch be electrically connected to second energy storage device with it is described
Between the coil control terminal of breaker, for controlling the combined floodgate of the breaker.The second branch and the first branch are simultaneously
Connection, and be electrically connected between second energy storage device and the coil control terminal of the breaker, for controlling the breaker
Separating brake.
In one embodiment, second energy storage device includes capacitor.The capacitor is electrically connected to the breaker
Between coil control terminal and first terminals, the capacitor includes the first energy storage end and the second energy storage end, the breaker
Coil control terminal have a first end and a second end, first energy storage end is electrically connected with the first end, second energy storage
End is electrically connected with the second end, for the coil control terminal power supply for the breaker.
In one embodiment, the first branch includes the first linked switch.First linked switch includes first
Main switch and the first auxiliary switch.First main switch is electrically connected between first energy storage end and the first end, institute
It states the first auxiliary switch to be electrically connected between first energy storage end and the second end, for controlling the conjunction of the breaker
Lock.
In one embodiment, the second branch includes the second linked switch.Second linked switch includes second
Main switch and the second auxiliary switch, second main switch are electrically connected between first energy storage end and the second end, institute
It states the first auxiliary switch to be electrically connected between second energy storage end and the first end, for controlling point of the breaker
Lock.
The ring network cabinet emergency operation power supply provided herein.The ring network cabinet emergency operation power supply includes control dress
It sets, the first power supply unit, the second power supply unit and power switching device.The control device is for controlling grid disruption road device
The on-off of control coil, when first power supply unit cannot power for the control device, the ring network cabinet emergency operation
Power supply switches to second power supply unit by the power switching device.The generator passes through second power supply unit
For control device power supply.Even if as a result, when grid collapses or when energy storage device electric energy is used up, described second for Denso
Set with the power generation mechatronics, be the ring network cabinet continued power.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of the ring network cabinet emergency operation power supply provided in the application one embodiment；
Fig. 2 is the circuit connection diagram of the ring network cabinet emergency operation power supply provided in the application one embodiment；
Fig. 3 is the circuit of the power switching device of the ring network cabinet emergency operation power supply provided in the application one embodiment
Figure；
Fig. 4 is the circuit of the power switching device of the ring network cabinet emergency operation power supply provided in another embodiment of the application
Figure；
Fig. 5 is the electricity of the second single-pole double-throw switch (SPDT) of the ring network cabinet emergency operation power supply provided in the application one embodiment
Lu Tu；
Fig. 6 is the circuit diagram of the control device of the ring network cabinet emergency operation power supply provided in the application one embodiment；
Fig. 7 is the structure chart of the control panel of the ring network cabinet emergency operation power supply provided in the application one embodiment.
Drawing reference numeral explanation:
Ring network cabinet emergency operation power supply 10
Coil control terminal 100
First end 101
Second end 102
Generator 110
Display device 120
Control device 20
First power supply unit 30
First energy storage device 310
Charging unit 320
Current transfer device 321
First voltage control device 322
Increasing apparatus 330
First switch 331
First output interface 340
First output port 350
Second voltage control device 351
Second output interface 352
Second switch 353
Second power supply unit 40
Fairing 410
Power switching device 50
First handoff leg 501
Second handoff leg 502
First switching switch 503
Second switching switch 504
First single-pole double-throw switch (SPDT) 510
First terminals 511
Second terminals 512
Third terminals 513
First plug-in strip 514
First fixing end 515
First movable end 516
Second single-pole double-throw switch (SPDT) 60
4th terminals 601
5th terminals 602
6th terminals 603
Second plug-in strip 604
Second fixing end 605
Second movable end 606
Second energy storage device 70
First energy storage end 701
Second energy storage end 702
The first branch 80
First linked switch 810
First main switch 811
First auxiliary switch 812
Second branch 90
Second linked switch 910
Second main switch 911
Second auxiliary switch 912
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the application, and do not have to
In restriction the application.
Referring to Figure 1 and Fig. 2, it includes control device that the embodiment of the present application, which provides a kind of ring network cabinet emergency operation power supply 10,
20, the first power supply unit 30, the second power supply unit 40 and power switching device 50.The control device 20 is for controlling in power grid
The on-off of breaker.First power supply unit 30 is electrically connected with the control device 20, for supplying for the control device 20
Electricity.Second power supply unit 40 includes generator 110.The generator 110 is electrically connected with the control device 20.The confession
Electrical switching apparatus 50 be electrically connected to the control device 20 and first power supply unit 30 and second power supply unit 40 it
Between.When the power switching device 50 is connected with first power supply unit 30, first power supply unit 30 passes through the confession
Electrical switching apparatus 50 is the control device 20 power supply, and the power switching device 50 is connected with second power supply unit 40
When, second power supply unit 40 is the control device 20 power supply by the power switching device 50.
The control device 10 is used to control the on-off of the control coil of grid disruption road device, when first power supply unit
30 when cannot be for the control device 20 power supply, and the ring network cabinet emergency operation power supply 10 is cut by the power switching device 50
Shift to second power supply unit 40.The generator 110 is the control device 20 confession by second power supply unit 40
Electricity.Even if as a result, when grid collapses or when 30 electric energy of the first power supply unit is used up, second power supply unit 40 with
The generator 100 is electrically connected, and is the ring network cabinet continued power.
The powered types of first power supply unit 30 can charge for the grid charging or electric energy storage apparatus.It is described
The powered types of second power supply unit 40 are that generator charging or electric energy storage apparatus charge.
The control device 10 is electrically connected with the control coil end of the breaker.The breaker is electrically connected with the power grid
It connects.It can control opening a sluice gate and closing a floodgate for the breaker by the control device 10, in turn, control electricity where the breaker
The on-off on road.First power supply unit 30 can be electric energy storage apparatus, when the power grid being avoided to break down, the control
Device 10 can not obtain electric energy.The power switching device 50 has the function of circuit switching, can be intelligent control switching,
It can be with manual switching.The power switching device 50 can make the control device 10 and first power supply unit 30 or described
The electrical connection of second power supply unit 40.
Please also refer to Fig. 3, in one embodiment, the power switching device 50 may include the first handoff leg
501 and second handoff leg 502.First handoff leg 501 is electrically connected to the control device 10 and first power supply
Between device 30.Second handoff leg 502 is electrically connected between the control device 10 and second power supply unit 40.
When first handoff leg 501 is connected, and second handoff leg 502 turns off, first power supply unit 30 is described
Control device 10 is powered.When second handoff leg 502 be connected, described first change branch shutdown when, described second for Denso
40 are set to power for the control device 10.
First handoff leg 501 includes the first switching switch 503.Second handoff leg 502 is cut including second
Change switch 504.When the first switching switch 503 is connected, first handoff leg 501 is connected.When first switching
When switch 503 turns off, first handoff leg 501 is turned off.When the second switching switch 504 is connected, described second is cut
Change the conducting of branch 502.When the second switching switch 504 turns off, second handoff leg 502 is turned off.When described first
Switch switch 503 to be connected, when the second switching switch 504 turns off, first power supply unit 30 is the control device 10
Power supply.When the second switching switch 504 is connected, and the first switching switch 503 turns off, second power supply unit 40 is
The control device 10 is powered.
Please also refer to Fig. 4, in one embodiment, the power switching device 50 includes the first single-pole double-throw switch (SPDT)
510.First single-pole double-throw switch (SPDT) 510 includes the first terminals 511, the second terminals 512, third terminals 513 and the
One plug-in strip 514, first plug-in strip 514 include the first fixing end 515 and the first movable end 516, first fixing end 515 with
First terminals 511 are electrically connected, and first terminals 511 are electrically connected with the control device 20, second wiring
End 512 is electrically connected with first power supply unit 30, and the third terminals 513 are electrically connected with second power supply unit 40.
When first movable end 516 is electrically connected with second terminals 512, first terminals 511 and institute
The conducting of the second terminals 512 is stated, first power supply unit 30 is the control device 20 power supply, when first movable end
516 with the third terminals 513 when being electrically connected, and first terminals 511 are connected with the third terminals 513, described
Second power supply unit 40 is the control device 20 power supply.The electrical connection circuit of first single-pole double-throw switch (SPDT) 510 connects letter
It is single, it is easy to operate, convenient for economizing on resources.
In one embodiment, first power supply unit 30 includes the first energy storage device 310, charging unit 320 and rises
Pressure device 330.First energy storage device 310 is electrically connected with second terminals 512, for supplying for the control device 20
Electricity.The charging unit 320 is electrically connected between first energy storage device 310 and the power grid, for storing up for described first
It can the charging of device 310.The increasing apparatus 330 is electrically connected between first energy storage device 310 and the control device 20.
In one embodiment, the alternating current in the power grid can be changed into direct current by first power supply unit 30
Electricity, and effectively store.In 10 operational process of ring network cabinet emergency operation power supply, first power supply unit 30 not with it is described
Power grid electrical connection, gets rid of the constraint of the power grid.Even if fault occurs for the power grid, first power supply unit 30 is still
It can power for the control device 20.The ring network cabinet is still able to carry out breaking-closing operating, avoids the power grid accident
Sprawling.
First energy storage device 310 can be lithium battery, lead battery or photovoltaic battery panel etc..In one embodiment,
First energy storage device 310 is lithium battery.The rated output voltage of the lithium battery is 24V, the electric current stream exported per hour
Amount is 27A.Lithium battery energy density is high, and weight is about the 1/6-1/5 of plumbic acid product under same volume.Lithium battery is small in size, weight
Amount is light, is set in the ring network cabinet, facilitates the volume for reducing the ring network cabinet.
Alternating current in the power grid can be converted to direct current by the charging unit 320, and carry out Charge Management.When
When first energy storage device 310 charges to rated capacity, the charging unit 320 can be automatically powered off, and avoid described first
310 overcharge of energy storage device extends the service life of first energy storage device 310.
The charging unit 320 includes current transfer device 321 and first voltage control device 322.The electric current conversion
The alternating current of the power grid can be changed into direct current by device 321.In one embodiment, the current transfer device 321
The electric current of output is the DC current of 28V.Because the matched lithium battery is 24V output voltage, therefore the electric current
The voltage that conversion equipment 321 exports is slightly above the operating voltage of the lithium battery, can guarantee the lithium battery can quota fill
Electricity.
The first voltage control device 322 includes maximal power tracing circuit.The maximal power tracing circuit passes through
Electronic feedback automatically adjusts the operating point (dynamic relationship of voltage and current) when first energy storage device 310 charging, makes institute
The first energy storage device 310 is stated to charge in the state of maximum power.The first voltage control device 322 is according to the electricity of battery
The dynamic changes of pressure, electric current, capacitor adjust the size of charging voltage, realize security monitoring.
In one embodiment, the operating voltage of the control device 20 is 110V, the rated output electricity of the lithium battery
Pressure is 24V.The voltage that the control device 20 exports can be amplified processing by the increasing apparatus 330, boost to 110V.
In one embodiment, the ring network cabinet emergency operation power supply 10 can configure the lithium battery that voltage rating output is 110V, this
When, the increasing apparatus 330 can be saved.
The ring network cabinet emergency operation power supply 10 further includes first switch 331, is electrically connected to the increasing apparatus 330 and institute
It states between the first energy storage device 310.It can control the increasing apparatus 330 and first storage by the first switch 331
On-off between energy device 310.
The ring network cabinet emergency operation power supply 10 further includes the first output interface 340, first output interface 340 and institute
State the electrical connection of the first energy storage device 310.Extraneous electrical equipment can obtain electric energy by first output interface 340.It is described
The voltage of first output interface 340 output is 24V, identical as the output voltage of first energy storage device 310.
The ring network cabinet emergency operation power supply 10 further includes the first output port 350.Pair of first output port 350
Outer delivery outlet is the second output interface 352.Second output interface 352 passes through second voltage control device 351 and described the
The electrical connection of one energy storage device 310.24V voltage can be changed into 5V voltage by the second voltage control device 351.Described second
Voltage-operated device 351 is electrically connected with first energy storage device 310 by second switch 353.When the second switch 353 closes
When conjunction, second output interface 352 can externally export electric energy.
In one embodiment, second power supply unit 40 further includes fairing 410,410 electricity of fairing
It is connected between the generator 110 and the third terminals 513.
The generator 110 generally exports unstable alternating current.The fairing 410 can convert alternating current to
Direct current, while being filtered and pressure stabilizing, guarantee the stability of output voltage.The generator 110 can be diesel-driven generator
Or hand generator.In one embodiment, the generator 110 is hand generator.Hand generator energy conservation and environmental protection, not by
The limitation of outside resources.In one embodiment, the fairing 410 includes return difference comparison circuit.By the hand power
The voltage of machine is compared with voltage needed for the operation of the control device 10, if the voltage of the output of the hand generator
The operating voltage of the control device 10 is not reached, then the hand generator will continue working.When the hand generator
The voltage of output reach the operating voltage of the control device 10, then the hand generator will stop working.It is not needing
When external generator powered, the hand generator and the fairing 410 are disconnected.When the external generator continued power of needs
When, it can be continued for operating, guarantee the continuity of power supply.
In one embodiment, the ring network cabinet emergency operation power supply 10 further includes display device 120.The display device
120 are electrically connected with the control device 20, for showing 20 voltage of control device.
The display device 120 is electrically connected with the control device 20, can show 20 voltage of control device.Work
Personnel can judge first power supply unit 30 by the display device 120, and whether power supply volume is sufficient.The control device
Whether 20 operating voltage is stable.When the display device 120 shows the voltage of the control device 20 less than operating voltage,
Staff can carry out circuit switching by the power switching device 50.By the generator 110 and the fairing 410
Electrical connection.First movable end 516 is electrically connected with the third terminals 513, first terminals 511 and the third
Terminals 513 are connected, and second power supply unit 40 is the control device 20 power supply.
Please also refer to Fig. 5, in one embodiment, the ring network cabinet emergency operation power supply 10 further includes that the second hilted broadsword is double
Throw switch 60.Second single-pole double-throw switch (SPDT) 60 includes the 4th terminals 601, the 5th terminals 602, the 6th terminals 603 and the
Two plug-in strips 604, second plug-in strip 604 include the second fixing end 605 and the second movable end 606, second fixing end 605 with
4th terminals 601 electrical connection, the 4th terminals 601 are electrically connected with the display device 120, the 5th wiring
End 602 is electrically connected with the control device 20, and the 6th terminals 603 are electrically connected with first energy storage device 310.
When second movable end 606 is electrically connected with the 5th terminals 602, the 4th terminals 601 and institute
The conducting of the 5th terminals 602 is stated, the display device 120 shows the voltage of the control device 20, when second movable end
606 with the 6th terminals 603 when being electrically connected, and the 4th terminals 601 are connected with the 6th terminals 603, described
Display device 120 shows the voltage of first energy storage device 310.
The display device 120 can be made to be electrically connected with the control device 20 by second single-pole double-throw switch (SPDT) 60
It connects, or is electrically connected with first energy storage device 310.In the control device 20 work, second single-pole double-throw switch (SPDT)
60 second movable end 606 is electrically connected with the 5th terminals 602, can monitor institute by the display device 120
State the voltage status of control device 20.When second movable end 606 is electrically connected with the 6th terminals 603, Ke Yicha
See the energy storage state of first energy storage device 310.
Please also refer to Fig. 6, in one embodiment, the control device 20 includes: the second energy storage device 70, first
Road 80 and second branch 90.Second energy storage device 70 is electrically connected with first terminals 511.80 electricity of the first branch
It is connected between second energy storage device 70 and the coil control terminal 100 of the breaker, for controlling the breaker
It closes a floodgate.The second branch 90 is in parallel with the first branch 80, and is electrically connected to second energy storage device 70 and breaks with described
Between the coil control terminal 100 of road device, for controlling the separating brake of the breaker.
Second energy storage device 70 is that the coil control terminal 100 of the breaker provides electric energy, the first branch 80
The on-off of second energy storage device 70 and the coil control terminal 100 is controlled with the second branch 90.When described first
When road 80 is connected to, the coil control terminal 100 controls the breaker closing, line conduction where the breaker.When described
When second branch 90 is connected to, the coil control terminal 100 controls the breaker open operation, route shutdown where the breaker.
In one embodiment, second energy storage device 70 includes capacitor.The capacitor is electrically connected to the breaker
Coil control terminal 100 and first terminals 511 between, the capacitor include the first energy storage end 701 and the second energy storage end
702, the coil control terminal 100 of the breaker has first end 101 and a second end 102, first energy storage end 701 with it is described
First end 101 is electrically connected, and second energy storage end 702 is electrically connected with the second end 102, for the coil for the breaker
Control terminal 100 is powered.
The capacitor has energy storage effect.The capacitor is electrically connected to the both ends of the coil control terminal 100 of the breaker,
It is ready at all times to provide electric energy for the coil control terminal 100 of the breaker.The capacitor passes through first single-pole double-throw switch (SPDT)
510 first terminals 511 and second terminals 512 are electrically connected with first power supply unit 30, and described first
Power supply unit 30 is the capacitor charging.
First energy storage end 701 and second energy storage end 702 and the first end 101 and the second end 102 it
Between electric connection mode it is different, the electric current in closed circuit that the coil control terminal 100 of the breaker and the capacitor are formed
Circulating direction is different.In one embodiment, first energy storage end 701 is positively charged, and second energy storage end 702 is negatively charged.
First energy storage end 701 is electrically connected with the first end 101, and second energy storage end 702 is electrically connected with the second end 102
It connects, the coil control terminal 100 of the breaker controls the breaker closing, line conduction where the breaker.Upper one
In a embodiment, first energy storage end 701 is electrically connected with the second end 102, second energy storage end 702 and described first
101 electrical connection of end, the coil control terminal 100 of the breaker control the breaker open operation, and route closes where the breaker
It is disconnected.
In one embodiment, the first branch 80 includes the first linked switch 810.First linked switch 810
Including the first main switch 811 and the first auxiliary switch 812.First main switch 811 is electrically connected to first energy storage end 701
Between the first end 101, first auxiliary switch 812 is electrically connected to first energy storage end 701 and the second end
Between 102, for controlling the combined floodgate of the breaker.
The normality of first main switch 811 is off-state, and the normality of first auxiliary switch 812 is closed form
State.When first main switch 811 becomes closed state from off-state, first auxiliary switch 812 is simultaneously by being closed
State goes off state.
In one embodiment, the second branch 90 includes the second linked switch 910.Second linked switch 910
Including the second main switch 911 and the second auxiliary switch 912, second main switch 911 is electrically connected to first energy storage end 701
Between the second end 102, first auxiliary switch 812 is electrically connected to second energy storage end 702 and the first end
Between 101, for controlling the separating brake of the breaker.
The normality of second main switch 911 is off-state, and the normality of second auxiliary switch 912 is closed form
State.When second main switch 911 becomes closed state from off-state, second auxiliary switch 912 is simultaneously by being closed
State goes off state.
In upper one embodiment, when pressing the button with first main switch 811, first main switch 811
Closure, first auxiliary switch 812 disconnect.Second main switch 911 is in an off state at this time, and second auxiliary is opened
It closes 912 and is in closed state.First energy storage end 701 is connected by first main switch 811 with the first end 101,
Second energy storage end 702 is connected by second auxiliary switch 912 with the second end 102.The relay closes a floodgate, institute
Line conduction where stating relay.
In upper one embodiment, when pressing the button with second main switch 911, second main switch 911
Closure, second auxiliary switch 912 disconnect.First main switch 811 is in an off state at this time, and first auxiliary is opened
It closes 812 and is in closed state.First energy storage end 701 is connected by second main switch 911 with the second end 102,
Second energy storage end 702 is connected by first auxiliary switch 812 with the first end 101.The relay separating brake, institute
Route disconnects where stating relay.
By passing through first linked switch 910 and described second in the first branch 80 and the second branch 90
Linked switch 910, can be to avoid two terminal shortcircuit of capacitor.When first main switch 811 closure, second main switch
911 operations, can make second auxiliary switch 912 disconnect, guarantee the capacitor and the first end 101 and the second end
102 electrical connections.No matter how first linked switch 910 and second linked switch 910 operate, and can avoid the electricity
Hold and is in light condition.
Please also refer to Fig. 7, the ring network cabinet where the ring network cabinet emergency operation power supply 10 further includes control panel.It is described
Button, indicator light and power output or input port are set on control panel.The control panel includes exchange input button, when
When pressing the exchange input button, the power grid is first energy storage device 310 charging, and indicator light 1 is bright.The control plane
Plate further includes voltage display, and the display unit of the as described display device 120 can show the height of voltage.The control
Panel further includes hand generator input port.By the hand generator input port, the generator and the rectification
Device 410 is electrically connected.When the generator is electrically connected with the fairing 410, the indicator light 2 is bright.The hand hair
The ACL of input end of motor mouth is input anode, and ACN is input cathode.
The control panel further includes switch K1, K2, K3 and K4.Wherein K1 is for controlling the second switch 353.When pressing
When lower K1, first energy storage device 310 is the second output terminal mouth 352 power supply.The second output terminal mouth 352 is two
USB interface, it is corresponding with the USB outlet 1 and 2 on the control panel respectively.K2 is corresponding with the first switch 331, is used for
Control the on-off between first energy storage device 310 and the boost module 330.K3 and first single-pole double-throw switch (SPDT)
510 first plug-in strip 514 is corresponding, to control between first power supply unit 30 and second power supply unit 40
Switching.K4 is corresponding with second plug-in strip 604 of second single-pole double-throw switch (SPDT) 60, to control the control device 20 with
Switching between first energy storage device 310.
The control panel further includes 24V output port, corresponding with first output interface 340.It is defeated by the 24V
Exit port can externally export 24V power supply.The control panel further includes switch knob, corresponding with first main switch 811.
When pressing combined floodgate, the coil control terminal 100 of the breaker controls the breaker closing, and route where the breaker is led
It is logical.The control panel further includes opening button, corresponding with second main switch 911.When pressing separating brake, the breaker
Coil control terminal 100 control the breaker open operation, route shutdown where the breaker.The control panel further includes point
Combined floodgate output port, wherein L+ is corresponding with the first end 101, and L- is corresponding with the second end 102.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of ring network cabinet emergency operation power supply characterized by comprising
Control device (20), for controlling the on-off of grid disruption road device；
First power supply unit (30) is electrically connected with the control device (20), for powering for the control device (20)；
Second power supply unit (40), including generator (110), the generator (110) are electrically connected with the control device (20)；
Power switching device (50) is electrically connected to the control device (20) and first power supply unit (30) and described second
Between power supply unit (40)；
When the power switching device (50) and first power supply unit (30) are connected, first power supply unit (30) passes through
The power switching device (50) is the control device (20) power supply, the power switching device (50) and second power supply
When device (40) is connected, second power supply unit (40) is the control device (20) by the power switching device (50)
Power supply.
2. ring network cabinet emergency operation power supply as described in claim 1, which is characterized in that power switching device (50) packet
It includes:
First single-pole double-throw switch (SPDT) (510), first single-pole double-throw switch (SPDT) (510) connect including the first terminals (511), second
Line end (512), third terminals (513) and the first plug-in strip (514), first plug-in strip (514) include the first fixing end (515)
With the first movable end (516), first fixing end (515) is electrically connected with first terminals (511), first wiring
End (511) is electrically connected with the control device (20), and second terminals (512) are electrically connected with first power supply unit (30)
It connects, the third terminals (513) are electrically connected with second power supply unit (40)；
When first movable end (516) is electrically connected with second terminals (512), first terminals (511) with
Second terminals (512) conducting, first power supply unit (30) is the control device (20) power supply, when described first
When movable end (516) is electrically connected with the third terminals (513), first terminals (511) and the third terminals
(513) it is connected, second power supply unit (40) is the control device (20) power supply.
3. ring network cabinet emergency operation power supply as claimed in claim 2, which is characterized in that the first power supply unit (30) packet
It includes:
First energy storage device (310) is electrically connected with second terminals (512), for powering for the control device (20)；
Charging unit (320) is electrically connected between first energy storage device (310) and the power grid, for being described first
Energy storage device (310) charging；
Increasing apparatus (330) is electrically connected between first energy storage device (310) and the control device (20).
4. ring network cabinet emergency operation power supply as claimed in claim 3, which is characterized in that the second power supply unit (40) packet
It includes:
Fairing (410) is electrically connected between the generator (110) and the third terminals (513).
5. ring network cabinet emergency operation power supply as claimed in claim 4, which is characterized in that further include:
Display device (120) is electrically connected with the control device (20), for showing the control device (20) voltage.
6. ring network cabinet emergency operation power supply as claimed in claim 5, which is characterized in that further include:
Second single-pole double-throw switch (SPDT) (60), the second single-pole double-throw switch (SPDT) (60) include the 4th terminals (601), the 5th terminals
(602), the 6th terminals (603) and the second plug-in strip (604), second plug-in strip (604) include the second fixing end (605) and the
Two movable ends (606), second fixing end (605) are electrically connected with the 4th terminals (601), the 4th terminals
(601) it is electrically connected with the display device (120), the 5th terminals (602) are electrically connected with the control device (20), institute
The 6th terminals (603) are stated to be electrically connected with first energy storage device (310)；
When second movable end (606) is electrically connected with the 5th terminals (602), the 4th terminals (601) with
5th terminals (602) conducting, the display device (120) show the voltage of the control device (20), when described the
When two movable ends (606) are electrically connected with the 6th terminals (603), the 4th terminals (601) and the 6th wiring
(603) conducting is held, the display device (120) shows the voltage of first energy storage device (310).
7. ring network cabinet emergency operation power supply as claimed in claim 6, which is characterized in that the control device (20) includes:
Second energy storage device (70) is electrically connected with first terminals (511)；
The first branch (80), be electrically connected to second energy storage device (70) and the breaker coil control terminal (100) it
Between, for controlling the combined floodgate of the breaker；
Second branch (90), it is in parallel with the first branch (80), and be electrically connected to second energy storage device (70) with it is described
Between the coil control terminal (100) of breaker, for controlling the separating brake of the breaker.
8. ring network cabinet emergency operation power supply as claimed in claim 7, which is characterized in that the second energy storage device (70) packet
It includes:
Capacitor, the capacitor be electrically connected to the breaker coil control terminal (100) and first terminals (511) it
Between, the capacitor includes the first energy storage end (701) and the second energy storage end (702), and the coil control terminal (100) of the breaker has
There are first end (101) and second end (102), first energy storage end (701) is electrically connected with the first end (101), and described
Two energy storage ends (702) are electrically connected with the second end (102), for coil control terminal (100) power supply for the breaker.
9. ring network cabinet emergency operation power supply as claimed in claim 8, which is characterized in that the first branch (80) includes:
First linked switch (810), including the first main switch (811) and the first auxiliary switch (812), first main switch
(811) it is electrically connected between first energy storage end (701) and the first end (101), the first auxiliary switch (812) electricity
It is connected between first energy storage end (701) and the second end (102), for controlling the combined floodgate of the breaker.
10. ring network cabinet emergency operation power supply as claimed in claim 9, which is characterized in that the second branch (90) includes:
Second linked switch (910), including the second main switch (911) and the second auxiliary switch (912), second main switch
(911) it is electrically connected between first energy storage end (701) and the second end (102), the first auxiliary switch (812) electricity
It is connected between second energy storage end (702) and the first end (101), for controlling the separating brake of the breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391832.5A CN109301930A (en) | 2018-11-21 | 2018-11-21 | Ring main unit emergency operation power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391832.5A CN109301930A (en) | 2018-11-21 | 2018-11-21 | Ring main unit emergency operation power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109301930A true CN109301930A (en) | 2019-02-01 |
Family
ID=65144675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811391832.5A Pending CN109301930A (en) | 2018-11-21 | 2018-11-21 | Ring main unit emergency operation power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109301930A (en) |
Cited By (1)
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| CN111835078A (en) * | 2020-07-09 | 2020-10-27 | 扬州新概念电气有限公司 | A portable intelligent ring main unit circuit breaker multifunctional emergency operation power supply |
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