CN108407625A - One kind being used for new-energy automobile Bidirectional charging-discharging system - Google Patents
One kind being used for new-energy automobile Bidirectional charging-discharging system Download PDFInfo
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- CN108407625A CN108407625A CN201710073730.8A CN201710073730A CN108407625A CN 108407625 A CN108407625 A CN 108407625A CN 201710073730 A CN201710073730 A CN 201710073730A CN 108407625 A CN108407625 A CN 108407625A
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 19
- 238000007599 discharging Methods 0.000 title claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 34
- 239000000446 fuel Substances 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims description 31
- 238000002955 isolation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 3
- 101100410782 Arabidopsis thaliana PXG1 gene Proteins 0.000 claims 6
- 101150033568 ats1 gene Proteins 0.000 claims 6
- 101100075174 Arabidopsis thaliana LPAT1 gene Proteins 0.000 claims 5
- 101100410783 Arabidopsis thaliana PXG2 gene Proteins 0.000 claims 5
- 239000002737 fuel gas Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 abstract description 3
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 12
- 238000011161 development Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000010248 power generation Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- B60L53/20—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 characterised by converters located in the vehicle
-
- 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
- B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
-
- H02J7/0027—
-
- 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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
-
- 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
- B60L2210/00—Converter types
- B60L2210/30—AC to DC converters
-
- 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
-
- 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
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Present invention is disclosed one kind being used for new-energy automobile Bidirectional charging-discharging system, and the charge-discharge system includes：National standard charging gun, ATS1 (automatic switchover system 1), DC/DC1, AC/DC, APFC (converter), isolating transformer, ATS2 (automatic switchover system 2), DC/DC2, control circuit, CAN communication module, accessory power supply；The ATS1, APFC, AC/DC1, DC/DC1, ATS2, national standard charging gun are sequentially connected, and form charging circuit；The national standard charging gun, ATS2, DC/DC, DC/AC, ATS1 are sequentially connected, and form power supply circuit；The control circuit is connect with accessory power supply, CAN communication module, and is connect with ATS 1, ATS 2, DC/DC1, DC/DC2, and control loop is formed.It is proposed by the present invention to be used for new-energy automobile Bidirectional charging-discharging system, it can be not only used for pure electric automobile, the fuel cell car that can also be used for fuel gas is particularly suitable for the fuel cell car of liquid fuel (methanol-water, ethanol water), electric vehicle is become mobile power station.
Description
Technical field
The invention belongs to field of new energy technologies, are related to a kind of portable general charge-discharge system, more particularly to utilize V2G
The electronic two-way inversion charge-discharge system of (new energy) automobile of technical research.
Background technology
With the continuous intensification of global energy crisis, in increasingly exhausted and the atmosphere pollution, Global Temperature of petroleum resources
The harm aggravation risen, national governments and Automobile Enterprises are it is well recognized that energy saving and emission reduction is the main attack side of future automobile technology development
To.The vehicles of the new-energy automobile as a new generation, energy-saving and emission-reduction, the reduction mankind are excellent to the dependence of traditional fossil energy etc.
Gesture promotes national governments, expert and enterprise using development new-energy automobile as the target of Future Development, this is also one and becomes greatly
Gesture.
Since 2013, major ministries and commissions such as National Development and Reform Committee, the Ministry of Finance, Ministry of Industry and Information and Department of Science and Technology have put into effect one successively
The policy of new-energy automobile development, including the great number subsidy in new-energy automobile acquisition price are encouraged and promoted to series, and not
It restricts driving not policy favours such as restricting the number.
From the point of view of specific, in order to cultivate industry demand from economy, promote industrial space, country for pure electric automobile,
Plug-in hybrid (containing extended-range) automobile and fuel automobile give the finance supporting done one's utmost, and clearly formulate
The coming five years subsidize the route map gradually fallen off.For pure electric vehicle, plug-in mixed dynamic passenger car and car, according to continual mileage
Tens thousand of members are given to hundreds thousand of member subsidies, and then give the benefit of every 1800 yuan of degree electricity according to battery capacity for special-purpose vehicle or lorry
Patch.
According to incompletely statistics, end in September, 2016, China's electric vehicle ownership is up to 800,000, State Grid Corporation of China
It is completed 8 highway quick charge networks.With technology development and the increasing of governmental support dynamics, the following electric vehicle will
It can be more and more universal, it is contemplated that it is more than 8,000,000 to add up volume of production and marketing to the year two thousand thirty electric vehicle, and accounting will be up to 60%.Based on environmental protection
The reasons such as property, energy security, greatly develop the fundamental state policy that new-energy automobile new industry is China.
Electric vehicle is as moveable distributed energy storage device, and by 800,000, reserve of electricity 30kwh is calculated, total energy storage
Amount reaches 24000MWH, is equivalent to the generated energy of a high power station for 24 hours (based on 1000MW).Show according to the study, 90% with
On passenger vehicle be averaged daily running time in 1h or so, 95% time is in idle state.As moveable distribution
Formula energy storage device can be efficiently used for peak load shifting, balanced load, especially in the development of renewable energy being likely to form in the future
In the electric higher micro-grid system of ratio, by the reasonable charge and discharge of electric vehicle, it can be fluctuated with active balance regenerative resource
Property, help power grid effectively to receive renewable energy power generation.Individual enterprise are had under the premise of based on V2G technologies both at home and abroad at present
Some solutions：
1, the BYD Qin, Tang have all been equipped with " mobile power station " technology, (join vehicle to insert by the converter being equipped with vehicle
Seat), the alternating current of 220V can be exported, maximum power can reach 3kW or so, for laptop, electromagnetic oven, refrigerator,
The equipment such as electric tool use.
2, the FCV fuel-cell vehicles of new generation of Honda, by external mating movable type for electric installation, from what is be connected with it
Vehicle obtains energy, directly, quickly exports alternating current that can be for household use.
However, the Highgrade integration of BYD, requires height, vehicle maintenance expense that will also be affected technology, meanwhile, both
The load-carrying of vehicle is increased, and increases the cost of new-energy automobile.And Honda FCV mobile power supply devices voltage, communication protocol
The factors such as consistency difference, it is difficult to it is universal.These factors not only influence the further development of new-energy automobile industry, Er Qieyan
Recasting is about based on the shared development of the energy of " internet+" pattern.
Therefore, design is a portable, is suitable for the Bidirectional charging-discharging system of any money new-energy automobile, both simplifies abundant
Using the idle energy, it is highly desirable.
Invention content
The technical problem to be solved by the present invention is to：One kind is provided and is used for new-energy automobile Bidirectional charging-discharging system, both may be used
It realizes mobile charging stake, and the utilization rate of idle electric energy can be improved, and various scene applications can also be met, such as：Automobile
Rescue, electric service, emergency power generation etc..
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
One kind being used for new-energy automobile Bidirectional charging-discharging system, and the charge-discharge system includes：National standard charging gun, first are certainly
Dynamic switching system ATS1, the first transformer DC/DC1, rectifier AC/DC, converter APFC, isolating transformer, second cut automatically
Change system ATS2, the second transformer DC/DC2, inverter DC/AC, control circuit, CAN communication module, accessory power supply；
The first automatic switchover system ATS1, converter APFC, rectifier AC/DC, the first transformer DC/DC1, second
Automatic switchover system ATS2, national standard charging gun are sequentially connected, and form charging circuit；
The national standard charging gun, the second automatic switchover system ATS2, the second transformer DC/DC2, inverter DC/AC, isolation
Transformer, the first automatic switchover system ATS1 are sequentially connected, and form power supply circuit；
The control circuit is connect with accessory power supply, CAN communication module, and with the first automatic switchover system ATS1, second
Automatic switchover system ATS2, the first transformer DC/DC1, the second transformer DC/DC2 connections form control loop.
As a preferred embodiment of the present invention, user directly uses in ATS2 before the vehicle-mounted battery of electric vehicle exhausts
Modular connection connects alternating current, is used in combination national standard charging gun, standard connector-electric vehicle cradle of connecting electric automobile,
Communicated with electric vehicle BMS by CAN communication module, feedback information is run in a charge mode to control circuit, through ATS 1,
APFC, AC/DC, DC/DC1, ATS 2 gives the electric vehicle rapid charging of power shortage with high voltage direct current.
As another preferred embodiment of the present invention, APP is shared by phone or the energy, contacts neighbouring " mobile electricity
Stand ", directly use national standard charging gun, standard connector-electric vehicle cradle of connecting electric automobile, by CAN communication module with
Electric vehicle BMS communications, feedback information automatically switch to powering mode to control circuit, and specific working mode includes with lower section
One kind of formula：
Automobile rescue service：Through internal DC/DC2, AC/DC, isolating transformer, it is converted into stable alternating current 220V, is led to
National standard charging gun is crossed, standard connector-electric vehicle cradle of power shortage electric vehicle is connected, trickle charge service is provided；
Mobile electric service：Through internal DC/DC2, AC/DC, isolating transformer, it is converted into stable alternating current 220V, by
The modular connection of ATS1 is powered to communication base station；
Emergency service service：Through internal DC/DC2, AC/DC, isolating transformer, it is converted into stable alternating current 220V, by
The modular connection of ATS1 is powered to household electricity equipment；
When electric car electric energy has nearly consumed, by free-standing small fuel loading system, supplements and fire to electric vehicle
Material, continues offer service.
A kind of above-mentioned control method for new-energy automobile Bidirectional charging-discharging system, the control method include：
The startup power supply of step 1, accessory power supply as system, whether each component of power-up detecting system and component are normal,
Feed back to control circuit；
Step 2, standard charging rifle are connect with target vehicle cradle, and system is logical by CAN communication module and electric discharge vehicle
Letter, feedback information is to control circuit；
Step 3, when monitoring data be higher than vehicle protection value, system prompt can discharge, because ATS 2 is in normally closed connection
Discharge link, confirm power supply with after be electrically connected, control circuit adjusting the second transformer adaptation input voltage, i.e. electric discharge vehicle vehicle
It carries cell voltage and exports stable 220V alternating currents, electricity supply and use equipment electricity consumption through inverter, isolating transformer；
Step 4, in use, CAN communication module are communicated with electric discharge vehicle holding, when detecting electric discharge vehicle electrical
Pressure, electricity are taken less than itself, and to control circuit, system prompt needs to charge feedback information, disconnect the electric discharge links of ATS 2,
ATS 2 and 1 charging links of ATS are connected, confirms power supply with after be electrically connected, control circuit the first transformer of adjusting, which is adapted to, to be exported
Voltage, i.e. charging vehicle on-vehicle battery voltage, alternating current export stable DC through APFC, rectifier, the first transformer,
It charges to power shortage automobile；
Step 5, in use, CAN communication module are communicated with electric discharge vehicle holding, when detecting electric discharge vehicle electrical
When pressure, electricity reach setting value, feedback information disconnects charging link to control circuit.
As a preferred embodiment of the present invention, in the step 2, feedback information includes on-vehicle battery voltage, electricity；Step
Monitoring data in rapid 3 include on-vehicle battery voltage, electricity.
The present invention realizes general mobile direct current charge function by integrating APFC, AC/DC, DC/DC.
Present invention is mainly used for electricity is taken from electric vehicle, by advanced technology, prior art device drawback is being overcome
Meanwhile increasing substantially the utilization rate of the idle energy.
The present invention adapts to wide cut voltage range by built-in DC/DC, is suitable for any money electric vehicle, further carries
High energy source utilization rate.
The beneficial effects of the present invention are：It is proposed by the present invention to be used for new-energy automobile Bidirectional charging-discharging system, not only may be used
For pure electric automobile, it can also be used to which the fuel cell car of fuel gas is particularly suitable for liquid fuel (methanol-water, second
Alcohol water) fuel cell car, electric vehicle is become into mobile power station.
Through the invention, it realizes portable general charge function, improves the practicability of product.Through the invention, it realizes double
To electrical power conversion, by integrating existing matured product, in addition own control technology, creatively solves bi-directional electric power conversion simultaneously
The technical barrier deposited.
Through the invention, the utilization rate of idle electric energy is not only increased substantially, but also various scene applications can be met,
Such as：Automobile rescue, electric service, emergency power generation etc..
By taking the maximum Yangze river and Huai river iEV4 of 2016 annual turnovers as an example, can storing up electricity 19kWh, by 95% standby time, with electronic
Car ownership 800,000, at present charging pile expense 1.5RMB/kWh count, more than 2,000 ten thousand yuan of annual conversion benefit.
Meanwhile new-energy automobile electrically-charging equipment is not perfect, it is difficult to meet existing new-energy automobile charging continuation of the journey and require, have become
To promote the major obstacle of new-energy automobile in one period of current and future, in alleviation to a certain extent of the invention continuation of the journey
Journey is short, and charging auxiliary facility development causes the situation that it is difficult that user charges.
Furthermore, it is contemplated that the up to ten million huge ownerships that electric vehicle will have from now on, this is one very large
The mobile energy will be the ecosystem of a win-win, should be next as benefit economically once realizing.
Description of the drawings
Fig. 1 is the composition schematic diagram that the present invention is used for new-energy automobile Bidirectional charging-discharging system.
Fig. 2 is that the present invention is used for new-energy automobile Bidirectional charging-discharging systematic difference schematic diagram.
Specific implementation mode
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment one
It please refers to Fig.1, Fig. 2, present invention is disclosed one kind being used for new-energy automobile Bidirectional charging-discharging system, the charge and discharge
System includes：National standard charging gun 1, the first automatic switchover system 9 (ATS1), the first transformer 4 (DC/DC1), 6 (AC/ of rectifier
DC), converter 7 (APFC), isolating transformer 10, the second automatic switchover system 2 (ATS2), the second transformer 12 (DC/DC2),
Control circuit 5, CAN communication module 3, accessory power supply 8.
The ATS1, APFC, AC/DC, DC/DC1, ATS2, national standard charging gun are sequentially connected, and form charging circuit；It is described
National standard charging gun, ATS2, DC/DC2, DC/AC, ATS1 are sequentially connected, and form power supply circuit；
The control circuit is connect with accessory power supply, CAN communication module, and is connected with ATS1, ATS2, DC/DC1, DC/DC2
It connects, forms control loop.
User directly uses plug before the vehicle-mounted battery of electric vehicle exhausts, and connects alternating current, national standard charging gun is used in combination, even
Standard connector-electric vehicle the cradle for connecing electric vehicle is communicated by CAN communication module with electric vehicle BMS, feedback letter
It ceases to control circuit, runs in a charge mode, power shortage is given with high voltage direct current through ATS1, APFC, DC-DC transformer, ATS 2
Electric vehicle rapid charging.
User directly uses the modular connection in ATS2, connects alternating current, state is used in combination before the vehicle-mounted battery of electric vehicle exhausts
Mark charging gun, standard connector-electric vehicle cradle of connecting electric automobile, by CAN communication module and electric vehicle BMS
Communication, feedback information is run in a charge mode to control circuit, through ATS 1, APFC, AC/DC, DC/DC1, ATS 2, with high pressure
Direct current gives the electric vehicle rapid charging of power shortage.
APP is shared by phone or the energy, contacts neighbouring " mobile power station ", directly uses national standard charging gun, connection electronic
The standard connector of automobile-electric vehicle cradle is communicated by CAN communication module with electric vehicle BMS, and feedback information is to control
Circuit processed, automatically switches to powering mode, and specific working mode includes one kind of following manner：
Automobile rescue service：Through internal DC/DC2, AC/DC, isolating transformer, it is converted into stable alternating current 220V, is led to
National standard charging gun is crossed, standard connector-electric vehicle cradle of power shortage electric vehicle is connected, trickle charge service is provided；
Mobile electric service：Through internal DC/DC2, AC/DC, isolating transformer, it is converted into stable alternating current 220V, by
The modular connection of ATS1 is powered to communication base station.
Emergency service service：Through internal DC/DC2, AC/DC, isolating transformer, it is converted into stable alternating current 220V, by
The modular connection of ATS1 is powered to household electricity equipment.
When electric car electric energy has nearly consumed, by free-standing small fuel loading system, supplements and fire to electric vehicle
Material, continues offer service.
Wherein, ATS：It is the abbreviation of Automatic transfer switching equipment, full name is " from turn
Change device for switching ".Be made of one (or several) transfer switching equipment and other required electric appliances, for monitor power circuit,
And one or several load circuits are automatically shifted to the electric appliance of another power supply from a power supply.In electric utility referred to as
" double power supply automatic transfer switch " or " twin-power switch ".Mainly there are several functions：Dual power supply conversion, defencive function, isolation work(
Energy.
APFC：Power electronic equipment net side power factor is improved, line loss is reduced, it is energy saving, reduce mains by harmonics
Pollution improves grid supply quality.
AC/DC：Alternating current (AC) is become into direct current (DC), load, while also voltage stabilizing function are supplied after filtered.
DC/DC：It is variable DC voltage, also referred to as dc chopper by a fixed DC voltage conversion, efficiently
It realizes to rate voltage transformation and stablizes and export.
National standard charging gun：With the connector of external (electric vehicle) contact.
Accessory power supply：Control the power supply of the technical program operating circuit.
Control circuit：Control the technical program various components inside orderly works, and control the technical program and outside
Between work.
CAN communication module：The module of information is transmitted between the technical program various components inside；The technical program and outside
The module of the transmission information of (electric vehicle).
DC/AC：Direct current is changed into the electronic equipment of alternating current.
Isolating transformer：Refer to input winding and exports the transformer of winding strap electrical isolation.Its function is：Filter out load end
Harmonic wave improves power supply quality；Part-loading goods are reduced, end supply network is optimized.
The present invention also discloses a kind of above-mentioned control method for new-energy automobile Bidirectional charging-discharging system, specifically include as
Lower step：
【Step 1】Startup power supply of the accessory power supply as system, whether each component of power-up detecting system and component are normal,
Feed back to control circuit；
【Step 2】Standard charging rifle is connect with target vehicle cradle, and system is logical by CAN communication module and electric discharge vehicle
Letter, feedback information (on-vehicle battery voltage, electricity) give control circuit；
【Step 3】When (each vehicle-mounted BMS of vehicle is higher than vehicle protection value for monitoring data (on-vehicle battery voltage, electricity)
Have setting protection value), system prompt can discharge because ATS 2 be in normally closed connections electric discharge link, confirmation power with being electrically connected
After connecing, control circuit adjusts transformer 2 and is adapted to input voltage (electric discharge vehicle on-board cell voltage), through inverter, isolation transformation
Device exports stable 220V alternating currents, electricity supply and use equipment electricity consumption；
【Step 4】In use, CAN communication module is communicated with electric discharge vehicle holding, when detecting electric discharge vehicle electrical
Pressure, electricity are taken less than itself, and to control circuit, system prompt needs to charge feedback information, disconnect the electric discharge links of ATS 2,
Connect ATS 2 and 1 charging links of ATS, confirm power supply with after being electrically connected, the control circuit adjusting adaptation output voltage of transformer 1
(charging vehicle on-vehicle battery voltage), alternating current export stable DC through APFC, rectifier, transformer 1, give power shortage vapour
Vehicle charges；
【Step 5】In use, CAN communication module is communicated with electric discharge vehicle holding, when detecting electric discharge vehicle electrical
When pressure, electricity reach setting value, feedback information disconnects charging link to control circuit.
Embodiment two
One kind being used for new-energy automobile Bidirectional charging-discharging system, and the charge-discharge system includes：National standard charging gun, first are certainly
Dynamic switching system ATS1, the first transformer DC/DC1, rectifier AC/DC, converter APFC, isolating transformer, second cut automatically
Change system ATS2, the second transformer DC/DC2, inverter DC/AC, control circuit, CAN communication module, accessory power supply；
The first automatic switchover system ATS1, converter APFC, rectifier AC/DC, the first transformer DC/DC1, second
Automatic switchover system ATS2, national standard charging gun are sequentially connected, and form charging circuit；
The national standard charging gun, the second automatic switchover system ATS2, the second transformer DC/DC2, inverter DC/AC, isolation
Transformer, the first automatic switchover system ATS1 are sequentially connected, and form power supply circuit；
The control circuit is connect with accessory power supply, CAN communication module, and with the first automatic switchover system ATS1, second
Automatic switchover system ATS2, the first transformer DC/DC1, the second transformer DC/DC2 connections form control loop.
Through the invention, it realizes portable general utility functions, improves the practicability of product.Present invention is mainly used for from electronic vapour
Vehicle takes electricity, by advanced technology, while overcoming prior art device drawback, increases substantially the utilization of the idle energy
Rate.
In conclusion proposed by the present invention be used for new-energy automobile Bidirectional charging-discharging system, pure electric vehicle can be not only used for
Automobile, it can also be used to which the fuel cell car of fuel gas is particularly suitable for the fuel cell of liquid fuel (methanol-water, ethyl alcohol)
Electric vehicle is become the mobile energy by automobile.
Through the invention, bi-directional electric power conversion is realized, by integrating existing matured product, in addition own control technology, wound
Solves to the property made the technical barrier that bi-directional electric power is converted and deposited.
Through the invention, the utilization rate of idle electric energy is not only increased substantially, but also various scene applications can be met,
Such as：Automobile rescue, electric service, emergency power generation etc..
Description and application of the invention herein are illustrative, is not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein are possible, real for those skilled in the art
The replacement and equivalent various parts for applying example are well known.It should be appreciated by the person skilled in the art that not departing from the present invention
Spirit or essential characteristics in the case of, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and component are realized.Without departing from the scope and spirit of the present invention, can to embodiments disclosed herein into
The other deformations of row and change.
Claims (5)
1. one kind being used for new-energy automobile Bidirectional charging-discharging system, which is characterized in that the charge-discharge system includes：National standard charges
Rifle, the first automatic switchover system ATS1, the first transformer DC/DC1, rectifier AC/DC, converter APFC, isolating transformer,
Two automatic switchover system ATS2, the second transformer DC/DC2, inverter DC/AC, control circuit, CAN communication module, auxiliary electricity
Source；
The first automatic switchover system ATS1, converter APFC, rectifier AC/DC, the first transformer DC/DC1, second are automatically
Switching system ATS2, national standard charging gun are sequentially connected, and form charging circuit；
The national standard charging gun, the second automatic switchover system ATS2, the second transformer DC/DC2, inverter DC/AC, isolation transformation
Device, the first automatic switchover system ATS1 are sequentially connected, and form power supply circuit；
The control circuit is connect with accessory power supply, CAN communication module, and automatically with the first automatic switchover system ATS1, second
Switching system ATS2, the first transformer DC/DC1, the second transformer DC/DC2 connections form control loop.
2. according to claim 1 be used for new-energy automobile Bidirectional charging-discharging system, it is characterised in that：
User directly uses the modular connection in ATS2, connects alternating current, national standard is used in combination to fill before the vehicle-mounted battery of electric vehicle exhausts
Electric rifle, standard connector-electric vehicle cradle of connecting electric automobile are communicated by CAN communication module with electric vehicle BMS,
Feedback information is run in a charge mode to control circuit, through ATS 1, APFC, AC/DC, DC/DC1, ATS 2, with high voltage direct current
Electricity gives the electric vehicle rapid charging of power shortage.
3. according to claim 1 be used for new-energy automobile Bidirectional charging-discharging system, it is characterised in that：
APP is shared by phone or the energy, contacts neighbouring " mobile power station ", directly uses national standard charging gun, connecting electric automobile
Standard connector-electric vehicle cradle, communicated with electric vehicle BMS by CAN communication module, feedback information to control electricity
Road, automatically switches to powering mode, and specific working mode includes one kind of following manner：
Automobile rescue service：Through internal DC/DC2, AC/DC, isolating transformer, it is converted into stable alternating current 220V, passes through state
Charging gun is marked, standard connector-electric vehicle cradle of power shortage electric vehicle is connected, trickle charge service is provided；
Mobile electric service：Through internal DC/DC2, AC/DC, isolating transformer, it is converted into stable alternating current 220V, by ATS1
Modular connection, give communication base station power supply；
Emergency service service：Through internal DC/DC2, AC/DC, isolating transformer, it is converted into stable alternating current 220V, by ATS1
Modular connection, to household electricity equipment power；
When electric car electric energy has nearly consumed, by free-standing small fuel loading system, fuel is supplemented to electric vehicle, after
Continuous offer service.
4. being used for the control method of new-energy automobile Bidirectional charging-discharging system described in a kind of one of claims 1 to 3, feature exists
In the control method includes：
The startup power supply of step 1, accessory power supply as system, whether each component of power-up detecting system and component are normal, feedback
To control circuit；
Step 2, standard charging rifle are connect with target vehicle cradle, and system is by CAN communication module and electric discharge vehicle communication, instead
Feedforward information is to control circuit；
Step 3, when monitoring data are higher than vehicle protection value, system prompt can discharge, because ATS 2 be in normally closed connection and discharges
Link confirms power supply with after be electrically connected, and control circuit adjusts the second transformer adaptation input voltage, i.e. electric discharge vehicle on-board is electric
Cell voltage exports stable 220V alternating currents, electricity supply and use equipment electricity consumption through inverter, isolating transformer；
Step 4, in use, CAN communication module communicates with electric discharge vehicle holding, when detecting discharge vehicle voltage, electricity
Amount is taken less than itself, and to control circuit, system prompt needs to charge feedback information, is disconnected the electric discharge links of ATS 2, is connected
1 charging link of ATS 2 and ATS, confirm power supply with after being electrically connected, control circuit adjusting the first transformer adaptation output voltage,
That is charging vehicle on-vehicle battery voltage, alternating current export stable DC through APFC, rectifier, the first transformer, give power shortage
Automobile charges；
Step 5, in use, CAN communication module communicates with electric discharge vehicle holding, when detecting discharge vehicle voltage, electricity
When amount reaches setting value, feedback information disconnects charging link to control circuit.
5. control method according to claim 4, it is characterised in that：
In the step 2, feedback information includes on-vehicle battery voltage, electricity；Monitoring data in step 3 include on-vehicle battery electricity
Pressure, electricity.
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| CN110077278A (en) * | 2019-04-30 | 2019-08-02 | 浙江吉利控股集团有限公司 | A kind of electric discharge management method and system of plug-in hybrid electric vehicle |
| CN110429685A (en) * | 2019-08-21 | 2019-11-08 | 浙江新吉奥汽车有限公司 | A kind of base station generation of electricity by new energy vehicle and its implementation |
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| WO2022121588A1 (en) * | 2020-12-08 | 2022-06-16 | 宁德时代新能源科技股份有限公司 | Charging and discharging apparatus and power transmission method thereof |
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