CN108808751A - A kind of electrical changing station power supply system and electrical changing station method of supplying power to - Google Patents
A kind of electrical changing station power supply system and electrical changing station method of supplying power to Download PDFInfo
- Publication number
- CN108808751A CN108808751A CN201710285833.0A CN201710285833A CN108808751A CN 108808751 A CN108808751 A CN 108808751A CN 201710285833 A CN201710285833 A CN 201710285833A CN 108808751 A CN108808751 A CN 108808751A
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- Prior art keywords
- power supply
- charge
- power
- battery
- connecting pin
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Classifications
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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
- 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
- H02J9/061—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 for DC powered loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of electrical changing station power supply system of present invention offer and electrical changing station method of supplying power to, electrical changing station power supply system include power grid connecting pin；Multiple battery positions in storehouse, each battery position in storehouse is for the accommodating battery pack for replacement；Charge-discharge machine is connected to power grid connecting pin, and under charge mode, power grid connecting pin provides charge power supply to charge by battery pack of the charge-discharge machine into battery position in storehouse, and under discharge mode, charge-discharge machine makes the battery pack in battery position in storehouse discharge；Emergency power supply output port；And uninterruptible power supply controller, it is connected to charge-discharge machine, and monitor power grid connecting pin, when power grid connecting pin does not power off, control charge-discharge machine works in a charge mode, when power grid connecting pin powers off, control charge-discharge machine is worked with discharge mode so that the battery pack is powered to the emergency power supply output port.Electrical changing station power supply system provided by the invention can provide emergency power supply output when power grid connecting pin is powered off using battery pack, save cost and electrical changing station space.
Description
Technical field
The present invention relates to the circuit device of power supply and system more particularly to a kind of electrical changing station power supply systems and electrical changing station to power
Method.
Background technology
Electric automobile charging station usually requires uninterruptible power system, and by devices such as rectifier, inverters, can be fast
Speed switches in " rectification " and " inversion " state, to ensure the normal operation of etching system when power is off.
Existing uninterruptible power system uses maintenance-free lead accumulator group, comes when power is off to electrical changing station mostly
System power supply.And there is the problems such as lower than energy, volume is big, while maintenance-free lead accumulator group in maintenance-free lead accumulator group
Service life is influenced very big by temperature, charging, voltage, current condition.
Therefore, space needed for existing uninterruptible power system is big, and without the control maintenance-free lead accumulator group service life
Measure, cause uninterruptible power system have higher cost.
Invention content
For the defects in the prior art, the purpose of the present invention is to provide a kind of electrical changing station power supply system and applied to changing
The electrical changing station method of supplying power to of power station power supply system, to save cost and electrical changing station space.
According to an aspect of the present invention, a kind of electrical changing station power supply system is provided, including：Power grid connecting pin；Multiple batteries
Position in storehouse, each battery position in storehouse is for the accommodating battery pack for replacement；Charge-discharge machine is connected to the power grid connecting pin, the charge and discharge
Motor have charge mode and discharge mode, under the charge mode, the power grid connecting pin by the charge-discharge machine to
Battery pack offer charge power supply in the battery position in storehouse is to charge, under the discharge mode, the charge and discharge
Machine makes the battery pack in the battery position in storehouse discharge；Emergency power supply output port is connected to the charge-discharge machine；And not
Uninterruptible power controller is connected to the charge-discharge machine, and monitors the power grid connecting pin, when the power grid connecting pin does not power off
When, it controls the charge-discharge machine and works in a charge mode, when the power grid connecting pin powers off, control the charge-discharge machine to put
Power mode works so that the battery pack is powered to the emergency power supply output port.
Optionally, when the power grid connecting pin does not power off, it is by what the power grid connecting pin provided electrical changing station power supply system
System power supply；When the power grid connecting pin power-off, the system electricity of electrical changing station power supply system is provided by the emergency power supply output port
Source.
Optionally, further include：New energy power supply is connected to the charge-discharge machine, is supervised by the uninterruptible power supply controller
Control；When the power grid connecting pin does not power off, the charge-discharge machine works in a charge mode, the new energy power supply and the electricity
Net connecting pin provides the charge power supply jointly, and when the new energy power supply is enough to provide the charge power supply, described new
Energy power supply is to power grid connecting pin feedback power；When the power grid connecting pin powers off, the new energy power supply is to described
Emergency power supply output port is powered, and when the new energy power supply is not enough to power to the emergency power supply output port, described
Charge-discharge machine is worked with discharge mode so that the battery pack is powered to the emergency power supply output port.
Optionally, the new energy power supply includes：Sun-generated electric power；Wind power source；Water energy.
Optionally, when the charge-discharge machine works in a charge mode, the uninterruptible power supply controller is according to each electricity
The mark of pond position in storehouse obtains the battery parameter of battery pack in each battery position in storehouse, and then determines the battery position in storehouse to be charged.
Optionally, each battery pack includes relay, and is connect with the charge-discharge machine by relay, the relay
Device is normally closed relay, and when the power grid connecting pin does not power off, the uninterruptible power supply controller controls the electricity that need not be charged
The relay of Chi Bao disconnects, the battery pack charging that the charge-discharge machine only charges to needs；When the power grid connecting pin power-off, one
The relay of a or multiple battery packs is closed, and one or more of battery packs are discharged by the charge-discharge machine to be answered to described
Urgent telegram source output terminal confession electricity.
Optionally, each battery position in storehouse corresponds to a gateway respectively, and is connected to by corresponding gateway described uninterrupted
Power-supply controller of electric, the gateway provide the mark to corresponding battery position in storehouse.
Optionally, the battery pack includes a battery controller, and the battery controller monitors the described of the battery pack
Battery parameter, each gateway is connected to the battery controller of battery pack in corresponding battery position in storehouse, and the battery parameter is sent out
It send to the uninterruptible power supply controller.
Optionally, each battery position in storehouse by supply lines is connected to corresponding gateway so that the charge-discharge machine is to described
Gateway is powered；The battery controller of each battery pack is connected to corresponding gateway to be communicated with the gateway by CAN bus
Letter.
Optionally, the system power supply of the electrical changing station power supply system is the electricity of uninterruptible power supply controller, relay, gateway
Source.
Optionally, including：Background monitoring device is connected to the uninterruptible power supply controller by CAN bus, and is used for
The real time monitoring of the electrical changing station power supply system, data storage and structure battery information network, the background monitoring device and institute
It states uninterruptible power supply controller and shares power supply.
Optionally, the emergency power supply output port provides high voltage power supply output and low-tension supply output, the high-voltage electricity
Source output is the power illuminating device in electrical changing station power supply system, and the low-tension supply output provides the electrical changing station power supply system
The system power supply.
Optionally, the uninterruptible power supply controller includes：Monitoring module, for monitoring the power grid connecting pin；And
Control module controls the charge-discharge machine with the mould that charges when the monitoring module, which monitors the power grid connecting pin, not to be powered off
Formula works, and when the monitoring module monitors the power grid connecting pin power-off, controls the charge-discharge machine with discharge mode work
Make so that the battery pack is powered to the emergency power supply output port.
Optionally, the electrical changing station power supply system new energy power supply, the monitoring module are additionally operable to monitor the new energy
Power supply.
Optionally, the uninterruptible power supply controller further includes：Receiving module, the mark for receiving the battery position in storehouse
With the battery parameter of battery pack；Judgment module, for judging the corresponding battery compartment of the battery pack according to the battery parameter of battery pack
Position whether charge and discharge；Sending module, for sending control institute to the battery position in storehouse according to the judging result of the judgment module
State battery position in storehouse whether the signal of charge and discharge.
According to an aspect of the present invention, a kind of electrical changing station method of supplying power to is also provided, is applied to electrical changing station as described above and supplies
Electric system, the electrical changing station method of supplying power to include：Power grid connecting pin described in the uninterruptible power supply controller monitoring；When the electricity
When net connecting pin does not power off, the uninterruptible power supply controller makes the charge-discharge machine work in a charge mode, and the power grid connects
It connects end and provides charge power supply by the battery pack of the charge-discharge machine into the battery position in storehouse to charge；When described
When power grid connecting pin powers off, the uninterruptible power supply controller makes the charge-discharge machine work with discharge mode, the charge and discharge
Machine makes the electric discharge of the battery pack in the battery position in storehouse to power to the emergency power supply output port.
Optionally, when the power grid connecting pin does not power off, system power supply is provided by the power grid connecting pin；The power grid connects
When connecing end power-off, system power supply is provided by the emergency power supply output port.
Optionally, the electrical changing station power supply system further includes being connected to the charge-discharge machine and by the uninterruptible power supply control
The new energy power supply of device monitoring processed, when the power grid connecting pin does not power off, the new energy power supply and the power grid connecting pin
The charge power supply is provided jointly, and when the new energy power supply is enough to provide the charge power supply, the new energy power supply
To power grid connecting pin feedback power；When the power grid connecting pin powers off, the new energy power supply is to the emergency power supply
Output port is powered, and when the new energy power supply is not enough to power to the emergency power supply output port, the charge-discharge machine
It is worked with discharge mode so that the battery pack is powered to the emergency power supply output port.
In view of this, a kind of electrical changing station power supply system of the present invention and the electrical changing station supplier of electricity applied to electrical changing station power supply system
Method can provide emergency power supply output, without existing skill when power grid connecting pin is powered off using the battery pack for replacement
The accumulator group of uninterruptible power system, can effectively save cost and system space in art.In addition, alternative battery pack
Bigger than energy, storage energy is more in the case of identical weight or volume, is powered off in power grid connecting pin using alternative battery pack
When provide emergency power supply output, improve battery pack utilization rate.Further, the present invention provides electrical changing station power supply system and also passes through
Uninterruptible power supply controller and background monitoring preferably to monitor the battery parameter of battery pack, manage charging, the electric discharge of battery,
Weigh battery, improves battery core consistency, controls battery temperature, extends battery life, improves safety coefficient.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of schematic diagram of electrical changing station power supply system of the embodiment of the present invention；
Fig. 2 is the battery pack connection diagram of the embodiment of the present invention；
Fig. 3 is the schematic diagram of the uninterruptible power supply controller of the embodiment of the present invention；
Fig. 4 is the power supply flow chart that the power grid connecting pin of the embodiment of the present invention does not power off；
Fig. 5 is the power supply flow chart that the power grid connecting pin of the embodiment of the present invention powers off；
A kind of Fig. 6 schematic diagrames of electrical changing station power supply system when being the power grid connecting pin power-off of the embodiment of the present invention；And
The schematic diagram of another kind electrical changing station power supply system when Fig. 7 is the power grid connecting pin power-off of the embodiment of the present invention.
Reference numeral
110 battery positions in storehouse
111 battery packs
112 battery controllers
113 relays
120 charge-discharge machines
130 power grid connecting pins
140 uninterruptible power supply controllers
150 solar panels
160 gateways
170 background monitoring devices
180 emergency power supply output ports
190 twisted-pair shielded wires
191 supply lines
192 CAN bus
Specific implementation mode
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figure
Icon note indicates same or similar structure, thus will omit repetition thereof.
Described feature, structure or characteristic can be incorporated in one or more embodiments in any suitable manner
In.In the following description, many details are provided to fully understand embodiments of the present invention to provide.However,
One of ordinary skill in the art would recognize that without one or more in specific detail, or using other methods, constituent element, material
Material etc., can also put into practice technical scheme of the present invention.In some cases, be not shown in detail or describe known features, material or
Person operates to avoid the fuzzy present invention.
In order to solve the defects of prior art, the present invention provides a kind of electrical changing station power supply of saving cost and electrical changing station space
System and electrical changing station method of supplying power to.
One specific embodiment of electrical changing station power supply system provided by the invention is described with reference to Fig. 1 and Fig. 2.In this reality
It applies in example, electrical changing station power supply system includes multiple battery positions in storehouse 110, charge-discharge machine 120, uninterruptible power supply controller 130, meets an urgent need
Output port of power source 180 and the power grid connecting pin 140 for connecting electric network source.
The accommodating battery pack 111 for replacement of each battery position in storehouse 110.Battery pack 111 can be the power replaced for electric vehicle
Battery.In other words, electronic to reach electrical changing station, the power battery on electric vehicle is replaced in electrical changing station battery position in storehouse 110
Power battery is replaced to the power battery in battery position in storehouse 110 and charges changing a station.Optionally, a battery position in storehouse
110 house a battery pack 111.Each battery pack 111 includes that there are one battery controllers 112.The monitoring of battery controller 112 should
The battery parameter of battery pack 111.Battery parameter may include battery pack electricity, temperature, electric current, voltage etc..In the present embodiment,
Each battery pack 111 further includes relay 113, and relay 113 is used to control the circuit opening and closing of each battery pack 111.
Relay 113 is preferably normally closed relay 113.
Charge-discharge machine 120 is used to carry out charge and discharge to the battery pack 111 in each battery position in storehouse 110.Charge-discharge machine 120 has
Charge mode and discharge mode.Under charge mode, the electric network source of power grid connecting pin 130 is by charge-discharge machine 120 to battery
Battery pack 111 in position in storehouse 110 provides charge power supply to charge.Under discharge mode, charge-discharge machine 120 makes battery position in storehouse
Battery pack 111 in 110 is discharged.Specifically, charge-discharge machine 120 can be in rectification mode (charge mode), inverter mode (electric discharge
Pattern), rectification mode and inverter mode it is parallel between switch.When charge-discharge machine 120 is in rectification mode, each battery position in storehouse
111 energy storage of battery pack in 110.When charge-discharge machine 120 is in inverter mode, the battery pack 111 in each battery position in storehouse 110 is put
Electricity.
Uninterruptible power supply controller 140 is connected to charge-discharge machine 120.Uninterruptible power supply controller 140 monitors power grid connection
End 130.When the electric network source of power grid connecting pin 130 does not power off, charge-discharge machine 120 is made to work in a charge mode, when power grid connects
When connecing the electric network source power-off at end 130, charge-discharge machine 120 is made to work with discharge mode.When the electric network source of power grid connecting pin 130
When not powering off, uninterruptible power supply controller 140 obtains battery pack in each battery position in storehouse 110 according to the mark of each battery position in storehouse 110
111 battery parameter, and then determine the battery position in storehouse 110 to be charged.For example, uninterruptible power supply controller 140 can be with battery
Battery controller 112 in packet 111 communicates, to obtain the battery parameter of battery pack 111 in respective battery position in storehouse 110.If electric
Pond parameter indicates the discontented electricity of the battery pack 111, then uninterruptible power supply controller 140 determines that the battery pack 111 charges.
Further, the relay 113 of the controllable charging packet 111 for being not required to charging of uninterruptible power supply controller 140 disconnects, so that charge and discharge
Charging packet 111 in the battery position in storehouse 110 that motor 120 only charges to needs charges.
In the present embodiment, each battery position in storehouse 110 corresponds to a gateway 160 respectively.For example, 1 corresponding gateway 1 of battery position in storehouse；
2 corresponding gateway 2 of battery position in storehouse；Battery position in storehouse N corresponding gateways N.Each battery position in storehouse 110 is connected to not by corresponding gateway 160
Uninterruptible power controller 140.Gateway 160 provides mark to distinguish different battery positions in storehouse 110 to corresponding battery position in storehouse 110
(other modes can also be used to provide mark to each battery position in storehouse 110, these modes are all within the scope of the present invention).Into
One step, each gateway 160 is connected to the battery controller 112 of battery pack 111 in corresponding battery position in storehouse 110, and battery is controlled
The battery parameter that device 112 is monitored is sent to uninterruptible power supply controller 130.
Power grid connecting pin 130 is connected to charge-discharge machine 120, under 120 charge mode of charge-discharge machine, power grid connecting pin 130
Electric network source provide battery pack 111 charge power supply and system power supply is provided.System power supply can refer to uninterruptible power supply control
The power supply of device 120, gateway 160, relay 113 etc..Further, uninterruptible power supply controller 140 and charge-discharge machine 120 are direct
Be connected the control interaction charged for national standard.When the power-off of the electric network source of power grid connecting pin 130, in each battery position in storehouse 110
One or more battery packet 111 to emergency power supply output port 180 power.
Emergency power supply output port 180 is connected to charge-discharge machine 120.Emergency power supply output port 180 includes high voltage power supply
Output and low-tension supply output.High voltage power supply is exported for the power illuminating device into electrical changing station power supply system.Low-tension supply
Output to system power supply for powering.In other words, low-tension supply output for uninterruptible power supply controller 120, gateway 160,
Relays 113 etc. are powered.
Specifically, in the present embodiment, electrical changing station power supply system further includes new energy power supply.For example, shown in Fig. 1
Solar panels 150.In some change case, new energy power supply can also include wind energy, water energy etc..In the present embodiment, the sun
Energy plate 150 is connected to charge-discharge machine 120, and can be monitored by uninterruptible power supply controller 120.When the power grid of power grid connecting pin 130
When power supply does not power off, charge-discharge machine 120 works in a charge mode, and solar panels 150 and the electric network source of power grid connecting pin 130 are total
With the charge power supply for providing battery pack 111.When solar panels 150 are enough to provide the charge power supply of battery pack 111, solar panels
150 to 130 feedback power of power grid connecting pin.When the power-off of the electric network source of power grid connecting pin 130, from solar panels 150 to answering
Anxious output port of power source 180 is powered, and when solar panels 150 are not enough to power to emergency power supply output port 180, charge-discharge machine
120 are worked with discharge mode so that battery pack 111 is powered to emergency power supply output port 180.
Specifically, in the present embodiment, electrical changing station power supply system further includes background monitoring device 170.Background monitoring fills
It sets 170 and is connected to uninterruptible power supply controller 140, and for real time monitoring, data storage and the structure of electrical changing station power supply system
Battery information network.Further, background monitoring device 170 (is with same power supply with uninterruptible power supply controller 140
System power supply).In other words, if uninterruptible power supply controller 140 is powered by the electric network source of power grid connecting pin 130, background monitoring
Device 170 is also powered by the electric network source of power grid connecting pin 130；If uninterruptible power supply controller 140 is by emergency power supply output end
Mouth 180 is powered, then background monitoring device 170 is also powered by emergency power supply output port 180.Uninterruptible power supply controller 140 will
The battery parameter of each battery pack 111 is sent to background monitoring device 170 and is monitored, stores and controls.
Further, electrical changing station power supply system provided by the invention is disposed using CAN bus.As shown in Figure 1, power grid
Connecting pin 130, solar panels 150 and emergency power supply output port 180 are connect by supply lines 191 with charge-discharge machine 120.Each electricity
Pond position in storehouse 110 is connect by supply lines 191 with charge-discharge machine 120.Each battery position in storehouse 110 also by supply lines 191 with it is respective
Gateway 160 connects, so that gateway 160 can obtain electric energy by charge-discharge machine 120.In addition, uninterruptible power supply controller 140 is logical
It crosses CAN bus and is connected to charge-discharge machine 120 to be communicated.Each battery position in storehouse 110 (battery controller 112 of battery pack 111)
The gateway 160 being also each connected to by CAN bus is to be communicated.Each gateway 160 is connected to uninterrupted electricity by CAN bus
Source controller 140 is to be communicated.Background monitoring device 170 by CAN bus be connected to uninterruptible power supply controller 140 with into
Row communication.Twisted-pair shielded wire 190 is additionally provided with to reduce signal noise between all parts connected by CAN bus.
In certain embodiments, uninterruptible power supply controller 140 includes monitoring module 141 and control module 142.
Monitoring module 141 is for monitoring power grid connecting pin 130.In the embodiment that electrical changing station power supply system includes new energy power supply 150,
Monitoring module 141 is additionally operable to monitoring new energy power supply 150.Control module 142 is used to monitor power grid connection when monitoring module 141
When end 130 does not power off, control charge-discharge machine 120 works in a charge mode, when monitoring module 141 monitors power grid connecting pin 130
When power-off, control charge-discharge machine 120 is worked with discharge mode so that battery pack is powered to emergency power supply output port 180.Having
In some specific embodiments, uninterruptible power supply controller 140 further includes receiving module 143, judgment module 144 and sending module
145.Receiving module 143 is used to receive the battery parameter of the mark and battery pack of battery position in storehouse.Specifically, receiving module 143
It is communicated with above-mentioned gateway 160 to obtain the mark of battery position in storehouse, while battery is obtained by the battery controller of battery pack
The battery parameter of packet.Judgment module 144 is used to judge that the corresponding battery position in storehouse of the battery pack is according to the battery parameter of battery pack
No charge and discharge.Sending module 145 is used to send control battery position in storehouse to battery position in storehouse according to the judging result of judgment module 144
The signal of no charge and discharge.Specifically, sending module 145, which is used to send to the relay 113 of battery position in storehouse, controls what it was opened and closed
Signal, so control battery position in storehouse whether charge and discharge.
A kind of electrical changing station method of supplying power to provided by the invention, using electrical changing station power supply system as shown in Figure 1.Electrical changing station supplies
Method for electrically includes：Power grid connecting pin described in uninterruptible power supply controller monitoring；When the electric network source of power grid connecting pin does not power off,
Charge-discharge machine is set to work in a charge mode, the battery pack of the electric network source of power grid connecting pin by charge-discharge machine into battery position in storehouse
Charge power supply is provided to charge；When the power-off of the electric network source of power grid connecting pin, charge-discharge machine is made to work with discharge mode,
Charge-discharge machine makes the electric discharge of the battery pack in the battery position in storehouse to power to emergency power supply output port.
Illustrated separately below by Fig. 4 and Fig. 5, the electric network source of power grid connecting pin does not power off the power grid with power grid connecting pin
Power supply flow chart when power cut-off.
Fig. 4 is the power supply flow chart that the electric network source of the power grid connecting pin of the embodiment of the present invention does not power off.As shown in figure 4,
The electric network source of S210, power grid connecting pin do not power off, and (rectification mode) works charge-discharge machine in a charge mode.
Preferentially charge power supply is provided to each battery position in storehouse using solar panels.If solar panels supply required charging enough
In the case that battery pack charges, thens follow the steps S220 and provide charge power supply to each battery position in storehouse using solar panels, by electricity
The electric network source for netting connecting pin provides system electricity to uninterruptible power supply controller (and gateway, relay and background monitoring device)
Source.Step S230, if the full electricity of each battery pack, electric network source feedback power of the solar panels to power grid connecting pin.
And when the energy that solar panels absorb not enough for the charging of the battery pack of required charging in the case of, then step S240,
Charged to battery pack by the electric network source of power grid connecting pin, and to uninterruptible power supply controller (and gateway, relay and
Background monitoring device) system power supply is provided.
Further, as described above, the battery pack of required charging is judged by uninterruptible power supply controller.Specifically
For, uninterruptible power supply controller obtains the battery parameter of battery pack in corresponding battery position in storehouse by gateway, and by the electricity of full electricity
The relay of Chi Bao disconnects so that the one or more battery packet charging that charging machine only charges to needs.
Referring next to the power supply flow for the electric network source power-off that Fig. 5, Fig. 5 are the power grid connecting pin of the embodiment of the present invention
Figure.
S310 first, the electric network source power-off of power grid connecting pin.It will be understood by those skilled in the art that working as power grid connecting pin
Electric network source exception when, each step shown in fig. 5 can also be used.
Step S320, solar panels are powered to emergency power supply output port.
Step S330, if solar panels electric energy is not enough to power to emergency power supply output port, from battery pack to emergent
Output port of power source is powered.
In a preference, as shown in fig. 6, when the electric network source 130 of power grid connecting pin powers off, each battery position in storehouse
The relay of battery pack in 110 is closed, and each battery pack is by charge-discharge machine 120 (discharge mode of charge-discharge machine) to answering urgent telegram
Source output terminal mouth 180 is powered, with into uninterruptible power supply controller 140, background monitoring device 170, gateway 160 and battery pack
Relay is powered.
In a change case, as shown in fig. 7, when the electric network source 130 of power grid connecting pin powers off, only one or multiple
The relay of the battery pack of battery position in storehouse 110 is closed, the one or more battery packet by charge-discharge machine 120 (charge-discharge machine
Discharge mode) it powers to emergency power supply output port 180, with to uninterruptible power supply controller 140, background monitoring device 170, net
Close the relay power supply in 160 and battery pack.
Above-mentioned multiple change case are all within the scope of the present invention, according to actual battery bag-like state, the shape of solar panels
State can also switch in above-mentioned multiple change case, and the charge-discharge mechanism of each battery pack provided by the invention is without being limited thereto, herein not
It gives and repeating.
In view of this, a kind of electrical changing station power supply system of the present invention and and the electrical changing station applied to electrical changing station power supply system power
Method can provide emergency power supply output when the electric network source of power grid connecting pin is powered off using the battery pack for replacement,
Without the accumulator group of uninterruptible power system in the prior art, cost and system space can be effectively saved.In addition, for
The battery pack of replacement is bigger than energy, and storage energy is more in the case of identical weight or volume, using alternative battery pack in electricity
The electric network source of net connecting pin furnishes emergency supplies on failure of electric power output, improves battery pack utilization rate.Further, the present invention carries
The battery parameter of battery pack is also preferably monitored by uninterruptible power supply controller and background monitoring for electrical changing station power supply system,
Charging, the electric discharge of battery are managed, balancing battery improves battery core consistency, controls battery temperature, extends battery life, improves peace
Overall coefficient.
The basic conception to the present invention and specific several embodiments are described above.Statement is needed exist for,
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various within the scope of the claims
Deformation or modification, this is not affected the essence of the present invention.
Claims (18)
1. a kind of electrical changing station power supply system, which is characterized in that including：
Power grid connecting pin；
Multiple battery positions in storehouse, each battery position in storehouse is for the accommodating battery pack for replacement；
Charge-discharge machine, is connected to the power grid connecting pin, and the charge-discharge machine has charge mode and discharge mode, filled described
Under power mode, the power grid connecting pin provides charging electricity by the battery pack of the charge-discharge machine into the battery position in storehouse
Source is to charge, and under the discharge mode, the charge-discharge machine makes the battery pack in the battery position in storehouse discharge；
Emergency power supply output port is connected to the charge-discharge machine；And
Uninterruptible power supply controller is connected to the charge-discharge machine, and monitors the power grid connecting pin, when the power grid connecting pin
It when not powering off, controls the charge-discharge machine and works in a charge mode, when the power grid connecting pin powers off, control the charge and discharge
Machine is worked with discharge mode so that the battery pack is powered to the emergency power supply output port.
2. electrical changing station power supply system as described in claim 1, which is characterized in that
When the power grid connecting pin does not power off, the system power supply of electrical changing station power supply system is provided by the power grid connecting pin；
When the power grid connecting pin power-off, the system power supply of electrical changing station power supply system is provided by the emergency power supply output port.
3. electrical changing station power supply system as claimed in claim 2, which is characterized in that further include：
New energy power supply is connected to the charge-discharge machine, by the uninterruptible power supply controller monitoring；
When the power grid connecting pin does not power off, the charge-discharge machine works in a charge mode, the new energy power supply with it is described
Power grid connecting pin provides the charge power supply jointly, and when the new energy power supply is enough to provide the charge power supply, described
New energy power supply is to power grid connecting pin feedback power；
When the power grid connecting pin powers off, the new energy power supply is powered to the emergency power supply output port, and described new
When energy power supply is not enough to power to the emergency power supply output port, the charge-discharge machine is worked with discharge mode so that described
Battery pack is powered to the emergency power supply output port.
4. electrical changing station power supply system as claimed in claim 3, which is characterized in that the new energy power supply includes：
Sun-generated electric power；
Wind power source；
Water energy.
5. electrical changing station power supply system as claimed in claim 2, which is characterized in that when the charge-discharge machine works in a charge mode,
The uninterruptible power supply controller obtains the battery of battery pack in each battery position in storehouse according to the mark of each battery position in storehouse
Parameter, and then determine the battery position in storehouse to be charged.
6. electrical changing station power supply system as claimed in claim 5, which is characterized in that each battery pack includes relay, and is led to
Relay to be crossed to connect with the charge-discharge machine, the relay is normally closed relay,
When the power grid connecting pin does not power off, the relay for the battery pack that the uninterruptible power supply controller control need not charge
It disconnects, the battery pack charging that the charge-discharge machine only charges to needs；
When the power grid connecting pin power-off, the relay of one or more battery packet is closed, and one or more of battery packs are logical
The charge-discharge machine electric discharge is crossed to power to the emergency power supply output port.
7. electrical changing station power supply system as claimed in claim 5, which is characterized in that each battery position in storehouse corresponds to a net respectively
It closes, and the uninterruptible power supply controller is connected to by corresponding gateway, the gateway provides institute to corresponding battery position in storehouse
State mark.
8. electrical changing station power supply system as claimed in claim 7, which is characterized in that the battery pack includes a battery controller,
The battery controller monitors the battery parameter of the battery pack,
Each gateway is connected to the battery controller of battery pack in corresponding battery position in storehouse, and the battery parameter is sent to institute
State uninterruptible power supply controller.
9. electrical changing station power supply system as claimed in claim 8, which is characterized in that
Each battery position in storehouse is connected to corresponding gateway so that the charge-discharge machine is powered to the gateway by supply lines；
The battery controller of each battery pack is connected to corresponding gateway to be communicated with the gateway by CAN bus.
10. electrical changing station power supply system as claimed in claim 9, which is characterized in that the system electricity of the electrical changing station power supply system
Source is the power supply of uninterruptible power supply controller, relay, gateway.
11. electrical changing station power supply system as described in claim 1, which is characterized in that further include：
Background monitoring device is connected to the uninterruptible power supply controller by CAN bus, and for electrical changing station power supply system
Real time monitoring, data storage and the structure battery information network of system, the background monitoring device and uninterruptible power supply control
Device shares power supply.
12. electrical changing station power supply system as described in any one of claim 1 to 11, which is characterized in that the emergency power supply output
Port provides high voltage power supply output and low-tension supply output, and the high voltage power supply output is the illumination dress in electrical changing station power supply system
Power supply is set, the low-tension supply output provides the system power supply of the electrical changing station power supply system.
13. electrical changing station power supply system as described in claim 1, which is characterized in that the uninterruptible power supply controller includes：
Monitoring module, for monitoring the power grid connecting pin；And
Control module controls the charge-discharge machine to fill when the monitoring module, which monitors the power grid connecting pin, not to be powered off
Power mode works, and when the monitoring module monitors the power grid connecting pin power-off, controls the charge-discharge machine with the mould that discharges
Formula works so that the battery pack is powered to the emergency power supply output port.
14. electrical changing station power supply system as claimed in claim 13, which is characterized in that the electrical changing station power supply system new energy electricity
Source, the monitoring module are additionally operable to monitor the new energy power supply.
15. electrical changing station power supply system as claimed in claim 13, which is characterized in that the uninterruptible power supply controller also wraps
It includes：
Receiving module, the battery parameter of mark and battery pack for receiving the battery position in storehouse；
Judgment module, for according to the battery parameter of battery pack judge the corresponding battery position in storehouse of the battery pack whether charge and discharge；
Sending module controls the battery position in storehouse for being sent to the battery position in storehouse according to the judging result of the judgment module
Whether the signal of charge and discharge.
16. a kind of electrical changing station method of supplying power to, which is characterized in that be applied to electrical changing station power supply system as described in claim 1, institute
Stating electrical changing station method of supplying power to includes：
Power grid connecting pin described in the uninterruptible power supply controller monitoring；
When the power grid connecting pin does not power off, the uninterruptible power supply controller makes charge-discharge machine work in a charge mode
Make, the power grid connecting pin by the battery pack of the charge-discharge machine into the battery position in storehouse provide charge power supply with into
Row charging；
When the power grid connecting pin powers off, the uninterruptible power supply controller makes the charge-discharge machine work with discharge mode,
The charge-discharge machine makes the electric discharge of the battery pack in the battery position in storehouse to power to the emergency power supply output port.
17. electrical changing station method of supplying power to as claimed in claim 16, which is characterized in that
When the power grid connecting pin does not power off, system power supply is provided by the power grid connecting pin；
When the power grid connecting pin power-off, system power supply is provided by the emergency power supply output port.
18. electrical changing station method of supplying power to as claimed in claim 17, which is characterized in that the electrical changing station power supply system further includes connecting
It is connected to the charge-discharge machine and by the new energy power supply of the uninterruptible power supply controller monitoring,
When the power grid connecting pin does not power off, the new energy power supply provides the charging electricity jointly with the power grid connecting pin
Source, and when the new energy power supply is enough to provide the charge power supply, the new energy power supply is anti-to the power grid connecting pin
Feed energy；
When the power grid connecting pin powers off, the new energy power supply is powered to the emergency power supply output port, and described new
When energy power supply is not enough to power to the emergency power supply output port, the charge-discharge machine is worked with discharge mode so that described
Battery pack is powered to the emergency power supply output port.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110511323.7A CN113067404B (en) | 2017-04-27 | 2017-04-27 | Power supply system and power supply method for power exchange station |
| CN201710285833.0A CN108808751B (en) | 2017-04-27 | 2017-04-27 | Power supply system and method for battery replacement station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710285833.0A CN108808751B (en) | 2017-04-27 | 2017-04-27 | Power supply system and method for battery replacement station |
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| CN202110511323.7A Division CN113067404B (en) | 2017-04-27 | 2017-04-27 | Power supply system and power supply method for power exchange station |
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| CN108808751A true CN108808751A (en) | 2018-11-13 |
| CN108808751B CN108808751B (en) | 2021-06-01 |
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| CN202110511323.7A Active CN113067404B (en) | 2017-04-27 | 2017-04-27 | Power supply system and power supply method for power exchange station |
| CN201710285833.0A Active CN108808751B (en) | 2017-04-27 | 2017-04-27 | Power supply system and method for battery replacement station |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108808751B (en) | 2021-06-01 |
| CN113067404A (en) | 2021-07-02 |
| CN113067404B (en) | 2024-01-02 |
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