CN104600785B - Charger and electric automobile - Google Patents
Charger and electric automobile Download PDFInfo
- Publication number
- CN104600785B CN104600785B CN201410832150.9A CN201410832150A CN104600785B CN 104600785 B CN104600785 B CN 104600785B CN 201410832150 A CN201410832150 A CN 201410832150A CN 104600785 B CN104600785 B CN 104600785B
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- Prior art keywords
- charger
- electric automobile
- module
- user
- control module
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- 238000013519 translation Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims description 21
- 238000005516 engineering process Methods 0.000 claims description 20
- 230000006854 communication Effects 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims 1
- 230000002457 bidirectional effect Effects 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
-
- H02J7/027—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of charger and electric automobile.The charger includes：Translation circuit, for realizing the two-way flow of energy；Control module, it is connected with the translation circuit, for controlling the translation circuit；Metering ammeter, it is respectively connected with the translation circuit and the control module, is measured for the two-way flow to the energy.By the present invention, solve the problems, such as that the two-way flow that charger is difficult to energy in correlation technique is measured.
Description
Technical field
The present invention relates to field of electrical equipment, in particular to a kind of charger and electric automobile.
Background technology
With the large-scale promotion of electric car, the recoverable amount of electric automobile is stepping up.Electric automobile is made using battery
Can be the distributed energy storage unit as following intelligent grid for energy storage device.Electric automobile is among reality, the plenty of time
In suspended state, car owner can be charged in the grid off peak load period by power network for the vehicle-mounted battery of electric automobile, and in electricity
The net peak load period provides electric energy from the vehicle-mounted battery of electric automobile to power network, to obtain price difference.In car owner and system call person
Between, it is this to realize that the technology of intelligent recharge and discharge management is exactly V2G (Vehicle to by Spot Price and intelligent electric meter
Grid) technology.
V2G technologies can effectively adjust the peak-valley difference of network load, play a part of peak load shifting.With wind in recent years
The development of the new energy with randomness such as electricity, solar energy, power network need an energy storage device to stabilize the peak that randomness is brought
Paddy is poor, and this is exactly the chance of electric automobile V2G technologies application.Electric automobile energy storage efficiency is effective standby equivalent to the system that adds
With capacity, the fluctuation of renewable energy power generation power output will be effectively stabilized, promotes power network to receive the regenerative resource of fluctuation
Generated output, new approach is provided to strengthen the regulating power of power network.
Currently, DC charging motor and do not have reversible transducer, the one-way flow of electric energy can only be realized, V2G can not be realized
The requirement of technology.Therefore, it can be used for the DC charging motor of V2G technologies with regard to necessary.
The two-way flow that charger of the prior art is difficult to energy is measured.
The problem of two-way flow being difficult to for charger in correlation technique to energy is measured, not yet propose have at present
The solution of effect.
The content of the invention
It is difficult to solve charger in correlation technique it is a primary object of the present invention to provide a kind of charger and electric automobile
The problem of being measured with the two-way flow to energy.
To achieve these goals, according to an aspect of the invention, there is provided a kind of charger, the charger include：
Translation circuit, for realizing the two-way flow of energy；Control module, it is connected with the translation circuit, for controlling the change
Change circuit；Metering ammeter, it is respectively connected with the translation circuit and the control module, for the bidirectional flow to the energy
It is dynamic to be measured.
Further, the translation circuit is two-way AC/DC translation circuits.
Further, the two-way AC/DC translation circuits are to be realized using full-bridge reversible transducer, using the bicyclic controls of PWM
System, outer shroud control DC side busbar voltage, inner ring control the translation circuit of grid side electric current.
Further, the control module includes embedded controller.
Further, charger also includes：Protection module, it is respectively connected with the control module, it is described for realizing
The Global Macros of charger.
Further, the charger is arranged in electric automobile, and the charger also includes：Monitoring module, use
In the state for monitoring the electric automobile.
Further, charger also includes：Communication module, it is connected with the monitoring module, it is described for reporting
The state for the electric automobile that monitoring module monitors.
Further, charger also includes：Alarm module, it is connected with the monitoring module, in electronic vapour
The state of car battery occurs sending alarm during abnormal conditions.
Further, the charger is the charger based on V2G technologies.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of electric automobile, the electric automobile bag
Include charger provided by the invention.
By the present invention, using the charger for including following structure：Translation circuit, for realizing the two-way flow of energy；
Control module, it is connected with the translation circuit, for controlling the translation circuit；Metering ammeter, with the translation circuit and
The control module is respectively connected with, and is measured for the two-way flow to the energy, solves in correlation technique and charge
The problem of two-way flow that machine is difficult to energy is measured, and then the bidirectional flow of energy is easily carried out to charger
The effect of dynamic metering.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of charger according to embodiments of the present invention；
Fig. 2 is the schematic diagram of charger internal structure according to the preferred embodiment of the invention；
Fig. 3 is the flow chart that user according to embodiments of the present invention participates in V2G；And
Fig. 4 is the flow chart that scheduling system according to embodiments of the present invention realizes V2G.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art more fully understand application scheme, below in conjunction with the embodiment of the present application
Accompanying drawing, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application part, rather than whole embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model of the application protection
Enclose.
Fig. 1 is the schematic diagram of charger according to embodiments of the present invention.
As shown in figure 1, the charger of the embodiment includes：
Translation circuit, for realizing the two-way flow of energy；
Control module, it is connected with the translation circuit, for controlling the translation circuit；
Metering ammeter, it is respectively connected with the translation circuit and the control module, for the two-way of the energy
Flowing is measured.
By the charger of the embodiment of the present invention, due to including following structure：Translation circuit, for realizing the two-way of energy
Flowing；Control module, it is connected with the translation circuit, for controlling the translation circuit；Metering ammeter, with the conversion electricity
Road and the control module are respectively connected with, and measure, are solved in correlation technique for the two-way flow to the energy
The problem of two-way flow that charger is difficult to energy is measured, and then the double of energy are easily carried out to charger
To the effect of flowing metering.
Preferably, the translation circuit is two-way AC/DC translation circuits.
Preferably, the two-way AC/DC translation circuits are to be realized using full-bridge reversible transducer, using PWM double -loop controls,
Outer shroud controls DC side busbar voltage, and inner ring controls the translation circuit of grid side electric current.
Preferably, the control module includes embedded controller.
Preferably, charger also includes：Protection module, it is respectively connected with the control module, for realizing described fill
The Global Macros of motor.
Preferably, the charger is arranged in electric automobile, and the charger also includes：Monitoring module, it is used for
Monitor the state of the electric automobile.
Preferably, charger also includes：Communication module, it is connected with the monitoring module, for reporting the shape
The state for the electric automobile that state monitoring module monitors.
Preferably, charger also includes：Alarm module, it is connected with the monitoring module, in electric automobile
The state of battery occurs sending alarm during abnormal conditions.
Preferably, the charger is the charger based on V2G technologies.
The embodiment of the present invention additionally provides a kind of electric automobile, and the electric automobile includes charger provided by the invention.
The charger of the preferred embodiment of the present invention is introduced below：
Fig. 2 is the schematic diagram of charger internal structure according to the preferred embodiment of the invention.
The charger can be the charger for V2G technologies.
The main of the charger includes：
Control module 1, two-way AC/DC translation circuits 2, bidirectional measuring ammeter 3, protection location 4, communication module 5, state prison
Control module 6.
Control module 1 is made up of embedded controller, is mainly responsible for the control strategy of two-way AC/DC translation circuits 2, simultaneously
Receive bidirectional measuring ammeter 3, interpersonal interactive interface 4, communication module 5 transmit control signal, and make respective logic judge with
Reaction.Control module 1 can use the high performance DSP such as TM320F28335, but practical application is not limited to this.
Two-way AC/DC translation circuits 2 are formed using power electronic devices, can realize the alternating current of grid side and electronic vapour
The mutual conversion of the direct current of car side, realizes the two-way flow of energy.Two-way AC/DC translation circuits 2 can use full-bridge two-way
Converter realizes that using PWM double -loop controls, outer shroud control DC side busbar voltage, inner ring control grid side electric current, but reality should
With being not limited to this.
Bidirectional measuring ammeter 3 realizes the metering of bi-directional energy flow.Under V2G technologies, energy is not only from power network effluent
To user side.When user participates in scheduling adjustment, it is necessary to accurately measure the electric energy power that grid side is input to from user side.
Protection module 4 realizes the overall defencive function of charger.When charger breaks down, such as communication failure, control
Situations such as device failure, charger can not carry out the charging process of electric automobile, otherwise can bring risk to electric automobile.Now such as
Fruit has user to require charging, it is necessary to which the warning of protection is supplied into user.
Communication module 5 realize rechargable battery data in real time with traffic department and the function of user mutual.When scheduling system requirements
When electric automobile carries out V2G, the parameter such as electronic vehicle attitude, battery charge state needs real-time report to give scheduling system.Meanwhile
When user requires to participate in V2G, it is also desirable to which communication module 5 realizes the communication of user and charger.The communication modes can use
But it is not limited to Ethernet.
Monitoring module 6 monitors the state of electric automobile.When the state-of-charge of batteries of electric automobile is in lower position,
Or battery SOH it is relatively low when, it is impossible to participate in V2G, monitoring module 6 monitors the state of batteries of electric automobile, and in electric automobile
It is unsuitable for participating in sending alarm during V2G situations.
In embodiments of the present invention, charger allows energy in bidirectional flow, can realize the requirement of V2G technologies；Using double
To metering ammeter, accurate metering user side and the watt level of grid side two-way flow；Charger and scheduling system can be realized
And the real-time Communication for Power of user, it is that V2G scheduling is more flexible.
With reference to the carry out charger further explanation of example and accompanying drawing to the present invention：
When user is to charging electric vehicle, electric automobile can be connected to charger, and swipe the card.Input corresponding password
Afterwards, charger confirms current user identities.After confirming that identity is errorless, user is allowed to choose whether to participate in V2G technologies, if user is same
Meaning participates in V2G technologies, and open scheduling system controls power, and reports scheduling system, otherwise, closes the control of scheduling system
Power.
When scheduling system needs electric automobile to participate in V2G technologies, traffic order is communicated to charger.Charger is first
Confirm whether the electric automobile is agreed to participate in V2G technologies.If agreeing to, current electric automobile is confirmed by monitoring module 6
State, if monitoring module thinks that the electronic vehicle attitude is good, start V2G scheduling.Otherwise, reporting scheduling system, adjust
Degree failure.After V2G scheduling is started, batteries of electric automobile is put by the two-way AC/DC translation circuits 2 of charger to grid side
Electricity, and pass through the expense of the metering current feedback power network electric energy of bidirectional measuring ammeter 3.In whole charging process, protection module 4 is protected
Card charger state is normal, and monitoring module 6 monitors the situation whether battery occurs overdischarge.Meanwhile communication module 5 will fill
Electric process real-time report notifies user 7 to scheduling system 8.
Among the present embodiment, charger can realize the communication process with scheduling system and user, complete V2G requirements
By batteries of electric automobile energy back to power network, and measure expense caused by the process.Charger work is protected module 4 and protected
Shield, batteries of electric automobile are ensured without generation overdischarge phenomenon by the monitoring of monitoring module 6.
In embodiments of the present invention, the modular structure of charger, including the selection of modules and the company of modules
Connect mode；The circuit topology of charger uses two-way AC/DC converters, can realize the two-way flow of energy.Bidirectional measuring table
Bi-directional energy flow power caused by V2G technologies can be measured.The function that charges and scheduling system and user's real-time communication, will be electronic
Vehicle condition feeds back to scheduling system.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (9)
- A kind of 1. charger, it is characterised in that including：Translation circuit, for realizing the two-way flow of energy；Control module, it is connected with the translation circuit, for controlling the translation circuit；Metering ammeter, it is respectively connected with the translation circuit and the control module, for the two-way flow to the energy Measured；Wherein, the control module is also connected with scheduling system, for receiving the password of user's input and according to the password Confirm current user identities, after the user identification confirmation is errorless, prompt the user to choose whether to participate in V2G technologies, If the user selects to agree to participate in the V2G technologies, control of the scheduling system to the control module is opened Limit,Protection module, it is respectively connected with the control module, is filled for realizing the Global Macros of the charger, and described When communication failure occurs for motor, controller failure prevents the charger from carrying out charging process, if it is judged that requiring The user of charging, given a warning to the user for requiring charging.
- 2. charger according to claim 1, it is characterised in thatThe translation circuit is two-way AC/DC translation circuits.
- 3. charger according to claim 2, it is characterised in that the two-way AC/DC translation circuits are double using full-bridge Realized to converter, using PWM double -loop controls, outer shroud control DC side busbar voltage, inner ring controls the conversion of grid side electric current Circuit.
- 4. charger according to claim 1, it is characterised in thatThe control module includes embedded controller.
- 5. charger according to claim 1, it is characterised in that the charger is arranged in electric automobile, described to fill Motor also includes：Monitoring module, for monitoring the state of the electric automobile.
- 6. charger according to claim 5, it is characterised in that also include：Communication module, it is connected with the monitoring module, for the electronic vapour for reporting the monitoring module to monitor The state of car.
- 7. charger according to claim 5, it is characterised in that also include：Alarm module, it is connected with the monitoring module, for when abnormal conditions occurs in the state of batteries of electric automobile Send alarm.
- 8. charger according to claim 1, it is characterised in that the charger is the charger based on V2G technologies.
- 9. a kind of electric automobile, it is characterised in that including the charger any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832150.9A CN104600785B (en) | 2014-12-26 | 2014-12-26 | Charger and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832150.9A CN104600785B (en) | 2014-12-26 | 2014-12-26 | Charger and electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104600785A CN104600785A (en) | 2015-05-06 |
| CN104600785B true CN104600785B (en) | 2018-04-03 |
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ID=53126389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410832150.9A Active CN104600785B (en) | 2014-12-26 | 2014-12-26 | Charger and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104600785B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771678A (en) * | 2021-10-19 | 2021-12-10 | 辽宁嘉加科技有限公司 | Electric automobile fills electric pile station power automatic distribution device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814765A (en) * | 2010-04-06 | 2010-08-25 | 中国电力科学研究院 | Power supply control system of bidirectional electric automobile charger |
| CN102280903B (en) * | 2010-06-10 | 2014-07-30 | 上海市电力公司 | V2G intelligent charging and discharging system |
| CN102427253B (en) * | 2010-11-19 | 2014-10-08 | 上海市电力公司 | Method for communicating charge-discharge monitoring center of electric automobile with local monitoring modules of charging station |
| CN202068223U (en) * | 2011-03-01 | 2011-12-07 | 东南大学 | Vehicle-based charging-discharging device based on V2G technology |
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| CN104600785A (en) | 2015-05-06 |
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