CN108054805A - The electric vehicle charge protection system and its charge protection method of a kind of adjustable voltage scope - Google Patents
The electric vehicle charge protection system and its charge protection method of a kind of adjustable voltage scope Download PDFInfo
- Publication number
- CN108054805A CN108054805A CN201810017593.0A CN201810017593A CN108054805A CN 108054805 A CN108054805 A CN 108054805A CN 201810017593 A CN201810017593 A CN 201810017593A CN 108054805 A CN108054805 A CN 108054805A
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- Prior art keywords
- charging
- temperature
- module
- electric vehicle
- adjustable voltage
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000036413 temperature sense Effects 0.000 claims abstract description 19
- 230000009466 transformation Effects 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 206010037660 Pyrexia Diseases 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract description 2
- 230000002269 spontaneous effect Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
Classifications
-
- H02J7/0091—
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- 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
Abstract
The invention discloses the electric vehicle charge protection systems and its charge protection method of a kind of adjustable voltage scope, and in particular to charging equipment field, including：Intelligent Master Control Center；Temperature information fax for obtaining the temperature information of charging environment, and is transported to intelligent Master Control Center by temperature sense module；Input module inputs charging environment safe temperature value and charging optimum temperature value for technical staff；Temperature comparison module receives the temperature information that intelligent Master Control Center is sent, and is respectively compared the temperature information of temperature sense module acquisition and the charging environment safe temperature value size and the charging optimum temperature value；Switch power module is controlled by intelligent Master Control Center, for controlling being opened or closed for electric vehicle power supply circuit；Voltage transformation module is controlled by intelligent Master Control Center, for providing adjustable voltage.The present invention has and can select most suitable charging voltage according to charging ambient temperature, so as to extend the service life of accumulator of electric car, electric vehicle is also avoided to cause spontaneous combustion or explosion accident due to fever when charging in hot environment.
Description
Technical field
The present invention relates to charging equipment field, be specially a kind of adjustable voltage scope electric vehicle charge protection system and
Its charge protection method.
Background technology
Charging pile is typically mounted in public building or residential area parking lot, and can be each according to different voltage class
The electric vehicle of kind model charges.Wherein, the input terminal of charging pile is directly connected to AC network, and output terminal is equipped with charging
Rifle, to be user-friendly.
When environment temperature raises, the capacity of battery can be increased, temperature often rises 1 DEG C, and capacity just rises original
0.8%.However, data result is shown, when environment temperature is at 25 DEG C, temperature often raises 6~10 DEG C, and the service life of accumulator is reduced
Half.Also, the high-voltage charging when charging ambient temperature is higher is easy to cause accumulator fever, gently then reduces making for accumulator
It is heavy then fire incident occurs with the service life.
The content of the invention
The present invention provides the electric vehicle charge protection systems and its charge protection method of a kind of adjustable voltage scope.This
The advantages of invention, is：Electric vehicle charge protection system has can select most suitable charging electric according to charging ambient temperature
Pressure, so as to extend the service life of accumulator of electric car, also avoids electric vehicle from being caused when charging in hot environment due to fever
Spontaneous combustion or explosion accident.
To achieve the above object, the present invention provides following technical solution：
A kind of electric vehicle charge protection system of adjustable voltage scope, including：Intelligent Master Control Center；Temperature sense mould
Temperature information fax for obtaining the temperature information of charging environment, and is transported to intelligent Master Control Center by block；Input module, for skill
Art personnel input charging environment safe temperature value and charging optimum temperature value；Temperature comparison module receives intelligent Master Control Center
The temperature information of transmission, and be respectively compared temperature sense module acquisition temperature information and the charging environment safe temperature value it is big
Small and described charging optimum temperature value；Switch power module is controlled by intelligent Master Control Center, for controlling electric vehicle power supply electricity
Road is opened or closed；Voltage transformation module is controlled by intelligent Master Control Center, for providing adjustable voltage.
Wherein, the temperature information for the charging environment that intelligent Master Control Center can be obtained according to temperature sense module, selects at this
At a temperature of be most suitable for charging voltage, so as to greatly prolong the service life of accumulator of electric car.Also, when charging environment
Temperature be higher than charging environment safe temperature value when, intelligent Master Control Center controllable switch power module disconnect immediately charging electricity
Road stops powering to electric vehicle, thermal runaway occurs so as to which accumulator be prevented persistently to charge under high temperature high voltage, causes
Battery malfunction.
Preferably, the electric vehicle charge protection system further include to store charging ambient temperature with it is described can
That adjusts voltage correspondence is locally stored module；Correspondingly, voltage transformation module includes multiple voltage adjustable modules, each described
Voltage adjustable module corresponding respectively provide corresponding adjustable voltage.
Preferably, the electric vehicle charge protection system further includes to calculate multiple adjustable voltage institutes respectively
The charging timing module in corresponding charging time.
Preferably, the electric vehicle charge protection system further includes one selected for user in multiple adjustable voltages
A selection input module to charge to electric vehicle.
It charges preferably, the electric vehicle charge protection system is further included for user in selection adjustable voltage
When, to the communication module of intelligent Master Control Center transmission selection instruction.
Preferably, the temperature sense module includes temperature sensor.
Preferably, the electric vehicle charge protection system further includes display module.
The present invention also provides a kind of electric vehicle charge protection method of adjustable voltage scope, this method includes following step
Suddenly：
The acquisition of S01, charging ambient temperature：
Temperature sense module obtains charging ambient temperature, and the charging ambient temperature fax is transported in intelligent master control
The heart；
S02, charging environment safe temperature value is drawn by repeatedly and under different charging ambient temperatures carrying out charging, and by
Technical staff is pre-entered to temperature comparison module；
Temperature comparison module includes the first temperature comparison module, and first temperature comparison module is used to compare charging environment
Temperature and the size of charging environment safe temperature value；
When charging ambient temperature is more than charging environment safe temperature value, switch power module control charging circuit disconnects；
When charging ambient temperature is less than charging environment safe temperature value, turn S03；
S03, charging optimum temperature value is drawn by repeatedly and under different charging ambient temperatures carrying out charging, and by technology
Personnel are pre-entered to temperature comparison module；
Temperature comparison module includes second temperature comparison module, and the second temperature comparison module is used to compare charging environment
The size of temperature and charging optimum temperature value；
When charging ambient temperature is more than charging optimum temperature value, adjustable voltage is converted into charging most by voltage transformation module
Voltage corresponding to thermophilic angle value；
When charging ambient temperature is less than charging optimum temperature value, display module shows selects the adjustable of conversion for user
Voltage, while the charge completion time corresponding to each adjustable voltage is calculated by charging timing module.
Preferably, in step S03, when user selects adjustable voltage, i.e., filled by selected adjustable voltage
Electricity；When the non-selected adjustable voltage of user, most suitable adjustable voltage of the voltage transformation module according to corresponding to charging ambient temperature into
Row charges.
Beneficial effects of the present invention are：
In the present invention, the temperature information for the charging environment that intelligent Master Control Center can be obtained according to temperature sense module, choosing
Charging voltage most suitable at such a temperature is selected, so as to greatly prolong the service life of accumulator of electric car.Also, work as and fill
When the temperature of electrical environment is higher than charging environment safe temperature value, intelligent Master Control Center controllable switch power module disconnects immediately to be filled
Circuit stops powering to electric vehicle, thermal runaway occurs so as to which accumulator be prevented persistently to charge under high temperature high voltage,
Cause battery malfunction.
Description of the drawings
Fig. 1 is a kind of structure diagram of the electric vehicle charge protection system of adjustable voltage scope in embodiment 1；
Fig. 2 is a kind of flow chart of the electric vehicle charge protection method of adjustable voltage scope in embodiment 2；
Fig. 3 is charging ambient temperature and adjustable voltage mapping table in embodiment 1 and embodiment 2.
In figure：1st, intelligent Master Control Center, 11, voltage transformation module, 12, temperature sense module, 120, temperature sensor,
13rd, temperature comparison module, 14, be locally stored module, 15, input module, 16, communication module, 17, charging timing module, 18, open
Powered-down source module.
Specific embodiment
Embodiment 1
The present embodiment provides a kind of technical solutions：
A kind of electric vehicle charge protection system of adjustable voltage scope, including：Intelligent Master Control Center 1；Temperature sense mould
Temperature information fax for obtaining the temperature information of charging environment, and is transported to intelligent Master Control Center 1 by block 12；Input module 15,
Charging environment safe temperature value and charging optimum temperature value are inputted for technical staff；It is main to receive intelligence for temperature comparison module 13
The temperature information that control center 1 is sent, and it is respectively compared the temperature information of the acquisition of temperature sense module 12 and charging Environmental security temperature
Angle value size and charging optimum temperature value；Switch power module 18 is controlled by intelligent Master Control Center 1, for controlling electric vehicle
Power supply circuit is opened or closed；Voltage transformation module 11 is controlled by intelligent Master Control Center 1, for providing adjustable voltage；For
Module 14 is locally stored with adjustable voltage correspondence in storage charging ambient temperature；Correspondingly, voltage transformation module 11 includes
Multiple voltage adjustable modules, each voltage adjustable module is corresponding respectively to provide corresponding adjustable voltage；For calculating respectively
The charging timing module 17 in charging time corresponding to multiple adjustable voltages；One in multiple adjustable voltages is selected to electricity for user
The selection input module that electrical automobile charges；For user when adjustable voltage is selected to be charged, sent out to intelligent Master Control Center 1
Send the communication module 16 of selection instruction；Display module.Wherein, temperature sense module 12 includes temperature sensor 120.
In the present invention, the temperature information for the charging environment that intelligent Master Control Center 1 can be obtained according to temperature sense module 12,
The charging voltage that selection is most suitable at such a temperature, so as to greatly prolong the service life of accumulator of electric car.Also, work as
When the temperature of charging environment is higher than charging environment safe temperature value, intelligent 1 controllable switch power module 18 of Master Control Center is immediately
Charging circuit is disconnected, stops powering to electric vehicle, occur so as to which accumulator be prevented persistently to charge under high temperature high voltage
Thermal runaway causes battery malfunction.
Embodiment 2
A kind of electric vehicle charge protection method of adjustable voltage scope, the electric vehicle charge protection method include as follows
Step：
The acquisition of S01, charging ambient temperature：
Temperature sense module 12 obtains charging ambient temperature, and charging ambient temperature fax is transported to intelligent Master Control Center 1；
S02, charging environment safe temperature value is drawn by repeatedly and under different charging ambient temperatures carrying out charging, and by
Technical staff is pre-entered to temperature comparison module 13；
Temperature comparison module 13 includes the first temperature comparison module, and the first temperature comparison module is used to compare charging environment temperature
The size of degree and charging environment safe temperature value；
When charging ambient temperature is more than charging environment safe temperature value, switch power module 18 controls charging circuit to break
It opens；
When charging ambient temperature is less than charging environment safe temperature value, turn S03；
S03, charging optimum temperature value is drawn by repeatedly and under different charging ambient temperatures carrying out charging, and by technology
Personnel are pre-entered to temperature comparison module 13；
Temperature comparison module 13 includes second temperature comparison module, and second temperature comparison module is used to compare charging environment temperature
Degree and the size of charging optimum temperature value；
When charging ambient temperature is more than charging optimum temperature value, adjustable voltage is converted into charging by voltage transformation module 11
Voltage corresponding to optimum temperature value；
When charging ambient temperature is less than charging optimum temperature value, display module shows selects the adjustable of conversion for user
Voltage, while the charge completion time corresponding to each adjustable voltage is calculated by charging timing module 17.When user's selection can
When adjusting voltage, i.e., charge by selected adjustable voltage；When the non-selected adjustable voltage of user, voltage transformation module 11
It charges according to the most suitable adjustable voltage corresponding to charging ambient temperature.
Below with specific example：
Charging environment safe temperature value is inputted into intelligent Master Control Center 1, so by input module by technical staff first
Detect that charging ambient temperature is 23 DEG C by the temperature sense module 12 being arranged on charging equipment of electric automobile afterwards, temperature ratio
It can charge compared with module 13 by charging ambient temperature compared with the scope of default charging environment safe temperature value because detecting
Environment temperature is between 23 DEG C of scope -25~55 DEG C in charging environment safe temperature value, so with reference to Figure of description 2,
Because the electromobile battery that this example is provided 25 DEG C be charging optimum temperature value, and charging ambient temperature be 23 DEG C, then fill
Electrical environment temperature is less than charging optimum temperature value, therefore, according to the relation table provided in Figure of description 3, for user
The charging voltage value selected is 225,228,235,240, and simultaneously correspondence be supplied to the corresponding charge completion time of client, such as use
Family selection is then charged according to the selected voltage of user, if user is non-selected, is then charged according to 220V charging voltages.
Claims (9)
1. a kind of electric vehicle charge protection system of adjustable voltage scope, which is characterized in that including：
Intelligent Master Control Center (1)；
Temperature information fax for obtaining the temperature information of charging environment, and is transported to intelligent master control by temperature sense module (12)
Center (1)；
Input module (15) inputs charging environment safe temperature value and charging optimum temperature value for technical staff；
Temperature comparison module (13) receives the temperature information that intelligent Master Control Center (1) sends, and is respectively compared temperature sense module
(12) temperature information obtained and the charging environment safe temperature value size and the charging optimum temperature value；
Switch power module (18) is controlled by intelligent Master Control Center (1), for controlling the disconnection of electric vehicle power supply circuit or closing
It closes；
Voltage transformation module (11) is controlled by intelligent Master Control Center (1), for providing adjustable voltage.
2. the electric vehicle charge protection system of a kind of adjustable voltage scope according to claim 1, which is characterized in that also
Module (14) is locally stored including be used to storing charging ambient temperature and the adjustable voltage correspondence；
Correspondingly, voltage transformation module (11) includes multiple voltage adjustable modules, and each voltage adjustable module is right respectively
Corresponding adjustable voltage should be provided.
3. the electric vehicle charge protection system of a kind of adjustable voltage scope according to claim 2, which is characterized in that also
Charging timing module (17) including being used to calculate the charging time corresponding to multiple adjustable voltages respectively.
4. the electric vehicle charge protection system of a kind of adjustable voltage scope according to claim 1, which is characterized in that also
Including selecting a selection input module to charge to electric vehicle in multiple adjustable voltages for user.
5. the electric vehicle charge protection system of a kind of adjustable voltage scope according to claim 4, which is characterized in that also
Including, when adjustable voltage is selected to be charged, the communication module of selection instruction being sent to intelligent Master Control Center (1) for user
(16)。
A kind of 6. electric vehicle charge protection system of adjustable voltage scope according to claim 1, which is characterized in that institute
Stating temperature sense module (12) includes temperature sensor (120).
7. the electric vehicle charge protection system of a kind of adjustable voltage scope according to claim 1, which is characterized in that also
Including display module.
8. a kind of electric vehicle charge protection method of adjustable voltage scope, which is characterized in that include the following steps：
The acquisition of S01, charging ambient temperature：
Temperature sense module (12) obtains charging ambient temperature, and the charging ambient temperature fax is transported to intelligent Master Control Center
(1)；
S02, charging environment safe temperature value is drawn by repeatedly and under different charging ambient temperatures carrying out charging, and by technology
Personnel are pre-entered to temperature comparison module (13)；
Temperature comparison module (13) includes the first temperature comparison module, and first temperature comparison module is used to compare charging environment
Temperature and the size of charging environment safe temperature value；
When charging ambient temperature is more than charging environment safe temperature value, switch power module (18) control charging circuit disconnects；
When charging ambient temperature is less than charging environment safe temperature value, turn S03；
S03, charging optimum temperature value is drawn by repeatedly and under different charging ambient temperatures carrying out charging, and by technical staff
It pre-enters to temperature comparison module (13)；
Temperature comparison module (13) includes second temperature comparison module, and the second temperature comparison module is used to compare charging environment
The size of temperature and charging optimum temperature value；
When charging ambient temperature is more than charging optimum temperature value, adjustable voltage is converted into charging most by voltage transformation module (11)
Voltage corresponding to thermophilic angle value；
When charging ambient temperature is less than charging optimum temperature value, display module shows the adjustable electric that conversion is selected for user
Pressure, while the charge completion time corresponding to each adjustable voltage is calculated by charging timing module (17).
9. a kind of electric vehicle charge protection method of adjustable voltage scope as described in claim 8 is any, which is characterized in that
In step S03, when user selects adjustable voltage, i.e., charge by selected adjustable voltage；When user is non-selected can
When adjusting voltage, most suitable adjustable voltage of the voltage transformation module (11) according to corresponding to charging ambient temperature charges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017593.0A CN108054805A (en) | 2018-01-09 | 2018-01-09 | The electric vehicle charge protection system and its charge protection method of a kind of adjustable voltage scope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017593.0A CN108054805A (en) | 2018-01-09 | 2018-01-09 | The electric vehicle charge protection system and its charge protection method of a kind of adjustable voltage scope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108054805A true CN108054805A (en) | 2018-05-18 |
Family
ID=62126245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810017593.0A Pending CN108054805A (en) | 2018-01-09 | 2018-01-09 | The electric vehicle charge protection system and its charge protection method of a kind of adjustable voltage scope |
Country Status (1)
| Country | Link |
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| CN (1) | CN108054805A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193832A (en) * | 2018-09-12 | 2019-01-11 | 西安飞机工业（集团）有限责任公司 | A kind of method for security protection of charging system |
| CN110138028A (en) * | 2019-05-06 | 2019-08-16 | 常州猛犸电动科技有限公司 | A kind of battery management system and its battery charge-discharge control method, terminal device |
| WO2021136493A1 (en) * | 2020-01-03 | 2021-07-08 | 恒大新能源汽车投资控股集团有限公司 | Charging control method and apparatus, electronic device, and system |
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| US4234839A (en) * | 1977-11-08 | 1980-11-18 | Christopher Duff King | Battery charging |
| CN1085692A (en) * | 1992-03-16 | 1994-04-20 | 4C科技有限公司 | The high-speed charging device of secondary cell and method for high-speed charging thereof |
| CN201549909U (en) * | 2009-11-06 | 2010-08-11 | 南京因泰莱配电自动化设备有限公司 | Multifunctional solar energy charging comprehensive protection controller |
| CN102832672A (en) * | 2012-09-13 | 2012-12-19 | 奇瑞汽车股份有限公司 | Charging device and charging method |
| CN107276234A (en) * | 2017-08-02 | 2017-10-20 | 杭州快电新能源科技有限公司 | A kind of intelligent electric power DC operation power supply system |
| CN207705845U (en) * | 2018-01-09 | 2018-08-07 | 杭州快电新能源科技有限公司 | The electric vehicle charge protection system of adjustable voltage range |
-
2018
- 2018-01-09 CN CN201810017593.0A patent/CN108054805A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4234839A (en) * | 1977-11-08 | 1980-11-18 | Christopher Duff King | Battery charging |
| CN1085692A (en) * | 1992-03-16 | 1994-04-20 | 4C科技有限公司 | The high-speed charging device of secondary cell and method for high-speed charging thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193832A (en) * | 2018-09-12 | 2019-01-11 | 西安飞机工业（集团）有限责任公司 | A kind of method for security protection of charging system |
| CN110138028A (en) * | 2019-05-06 | 2019-08-16 | 常州猛犸电动科技有限公司 | A kind of battery management system and its battery charge-discharge control method, terminal device |
| WO2021136493A1 (en) * | 2020-01-03 | 2021-07-08 | 恒大新能源汽车投资控股集团有限公司 | Charging control method and apparatus, electronic device, and system |
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