CN203617756U - High-power rapid intelligent charging system for electric vehicle - Google Patents
High-power rapid intelligent charging system for electric vehicle Download PDFInfo
- Publication number
- CN203617756U CN203617756U CN201320821491.7U CN201320821491U CN203617756U CN 203617756 U CN203617756 U CN 203617756U CN 201320821491 U CN201320821491 U CN 201320821491U CN 203617756 U CN203617756 U CN 203617756U
- Authority
- CN
- China
- Prior art keywords
- charging system
- circuit
- charging
- chip microcomputer
- intelligent charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 abstract description 22
- 230000008569 process Effects 0.000 abstract description 21
- 238000012544 monitoring process Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 101100123053 Arabidopsis thaliana GSH1 gene Proteins 0.000 description 1
- 101100298888 Arabidopsis thaliana PAD2 gene Proteins 0.000 description 1
- 101000590281 Homo sapiens 26S proteasome non-ATPase regulatory subunit 14 Proteins 0.000 description 1
- 101001114059 Homo sapiens Protein-arginine deiminase type-1 Proteins 0.000 description 1
- 229910018095 Ni-MH Inorganic materials 0.000 description 1
- 229910018477 Ni—MH Inorganic materials 0.000 description 1
- 101150092599 Padi2 gene Proteins 0.000 description 1
- 102100023222 Protein-arginine deiminase type-1 Human genes 0.000 description 1
- 102100035735 Protein-arginine deiminase type-2 Human genes 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a high-power rapid intelligent charging system for an electric vehicle. The high-power rapid intelligent charging system comprises a single-chip microcomputer, a charging circuit, a temperature detection circuit, a current detection circuit, a voltage detection circuit and a display screen. The display screen, the charging circuit, the temperature detection circuit, the current detection circuit and the voltage detection circuit are connected with the single-chip microcomputer respectively. According to the high-power rapid intelligent charging system, during a charging process, the charging voltage and current are controlled in real time through the single-chip microcomputer, and the charging system can rapidly and stably charge different types of storage batteries with different capacity, and has the characteristic of protecting the storage batteries and prolonging the service life of the storage batteries.
Description
Technical field
The utility model belongs to charging electric vehicle field, particularly the high-power quick, intelligent charging system of a kind of electric automobile.
Background technology
Along with social development, the car owning amount of China is increasing, and environmental pollution, energy shortage problem are also day by day serious.But current electric automobile is also in continuation conceptual phase, present stage exist electric automobile overall structure all undesirable, its reason is: complex structure, chassis is overweight, cost is high, power consumption too large.The pond energy storage of electric automobile vehicle mounted electric very little, is unable to undergo that differential mechanism, gearbox etc. are overweight, the waste of too many structure of consuming energy, thereby causes electric automobile mileages of continuation too short.Storage battery provides power for electric automobile, and charge in batteries performance directly affects use and the life-span of storage battery.Storage battery is generally divided into lead-acid battery, nickel-cadmium cell, Ni-MH battery and lithium ion battery, because storage battery is of a great variety and capacity differs, the storage battery of variety classes and capacity often needs different charger matched, if storage battery is charger matched unreasonable, just there will be and overcharge the dangerous phenomenons such as overheated, thereby affect the normal use of storage battery and shorten the life of storage battery.
Utility model content
In view of this; the purpose of this utility model is to provide the high-power quick, intelligent charging system of a kind of electric automobile; charging voltage, electric current in its charging process are controlled in real time by single-chip microcomputer; can be dissimilar and charge in batteries different capabilities fast and stable, and there is the characteristic of protection and increasing storage battery service life.
To achieve these goals, the utility model is by the following technical solutions:
The high-power quick, intelligent charging system of a kind of electric automobile, wherein, comprise single-chip microcomputer, charging circuit, temperature sensing circuit, current detection circuit, voltage detecting circuit and display screen, described display screen, charging circuit, temperature sensing circuit, current detection circuit and voltage detecting circuit are connected respectively single-chip microcomputer.
As preferably, described single-chip microcomputer adopts MC9S12XS128 chip.
As preferably, the high-power quick, intelligent charging system of described electric automobile also comprises clock chip, and described clock chip connects single-chip microcomputer.
As preferably, the high-power quick, intelligent charging system of described electric automobile also comprises keyboard circuit, and described keyboard circuit connects single-chip microcomputer.
As preferably, described current detection circuit adopts Hall-type current sensor.
As preferably, described temperature sensing circuit adopts thermistor.
The beneficial effects of the utility model are:
Charging voltage, electric current in the utility model charging process are controlled in real time by single-chip microcomputer; whole charging system is feedback control system; single-chip microcomputer is by detecting in real time the whole charging process of electric current, voltage and temperature monitoring in charging process; overcurrent in charging process, overvoltage and superheating phenomenon are effectively avoided; charging process is carried out with security and stability; can be dissimilar and charge in batteries different capabilities fast and stable, and there is the characteristic of protection and increasing storage battery service life.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating below, or can from practice of the present utility model, be instructed.Target of the present utility model and other advantages can be by below specification or accompanying drawing in specifically noted structure realize and obtain.
Accompanying drawing explanation
Fig. 1 is hardware elementary diagram of the present utility model;
Fig. 2 is that the utility model IBGT drives chip circuit schematic diagram.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, preferred embodiment of the present utility model is described in detail.
As shown in Figure 1, the utility model comprises single-chip microcomputer, charging circuit, temperature sensing circuit, current detection circuit, voltage detecting circuit, clock chip, house dog, matrix keyboard and display screen, charging circuit, temperature sensing circuit, current detection circuit, voltage detecting circuit, clock chip, house dog, matrix keyboard and display screen.
Native system adopts switch power technology, and maximum power is 3500W, first by 220V single phase industrial frequence alternating current, carries out rectification, then obtain the direct current of 300V left and right through excessive capacitor filtering through 4 diode composition full-bridge circuits, and now in direct current, ripple is larger.Direct current is by the full-bridge inverter being made up of 4 igbts (IGBT), obtain the adjustable high-frequency alternating current of voltage, be coupled to secondary through high frequency transformer, then through full-bridge rectification, obtaining finally by inductance capacitor filtering the direct current that ripple is very little is charge in batteries.Native system can be dissimilar storage battery and the different charge in batteries of capacity, charging voltage, electric current in its charging process are controlled in real time by single-chip microcomputer, whole charging system is feedback control system, single-chip microcomputer is by detecting in real time the whole charging process of electric current, voltage and temperature monitoring in charging process, effectively avoid overcurrent in charging process, overvoltage and superheating phenomenon, charging process is carried out with security and stability.
As shown in Figure 2, native system has adopted the air switch before inverter bridge, is in circuit, to occur that short circuit or large electric current damage storage battery or electronic device in order to prevent.Single-chip microcomputer compares by the set point detecting before charging current, voltage and temperature and charging, controls the grid of output 4 road PWM ripple to 4 IGBT, thereby controls its collector electrode to emitter current make-and-break time, reaches the object of controlling output voltage.Owing to having selected 4 IGBT composition full-bridge inverters, each IGBT needs a M57962L chip drives, and each M57662L chip need to 3 electric pressures be that 15V, l0V, 5v are its power supply, wherein 5v voltage is the power supply of MC9S12XS128 single-chip microcomputer simultaneously, the transformer that is 50W for a power in the present embodiment, is single-chip microcomputer and 4 M57962L chip power supplies, and its secondary winding is exported 3 groups of voltages, after rectifying and wave-filtering voltage stabilizing, obtain above-mentioned 3 required voltages.
Select MC9S12XS128 single-chip microcomputer to carry out data acquisition and control as control core, interior data memory 8KB, program storage 128KB, 2 SCI, 1 SPI, 1 IIC, 1 CAN, 16 road A/D, 8 road PWM, 8 road ECT modules, its operating frequency is 80MHz, fast operation, disposal ability improves greatly.The high-precision A/D converter in l2 position, this integrated chip Liaol6 road, directly the charging voltage to storage battery, electric current and temperature detect, and 8 road PWM can directly output to the break-make of M57962L chip controls IGBT, have simplified the design of SCM peripheral circuit.
Voltage detecting circuit is selected electric resistance partial pressure type structure, be connected in parallel on monitoring voltage signal in charging circuit, voltage signal carries A/D converter from PAD0 mouth through single-chip microcomputer and reaches single-chip microcomputer and process, this structure can select corresponding range to detect voltage according to the virtual voltage of outside automatically, make voltage more hour, the voltage accuracy detecting is higher, contributes to control more accurately the variation of the charging voltage in charging process.
Current detection circuit selects Hall-type current sensor to detect charging current signal, and the current signal that detects is processed to the A/D converter carrying through single-chip microcomputer from PAD1 mouth through certain conversion reach single-chip microcomputer and process, this sensor accuracy is high, can accurately detect the variation of charging current 0.1A.
Temperature sensing circuit selects thermistor to detect battery temperature signal in charging process, when practical application, thermistor is attached to and on battery, detects battery temperature, this thermistor can accurately detect the variable quantity of battery temperature in charging process, temperature signal is processed through PAD2 oral instructions to single-chip microcomputer, prevent that in charging process, battery is overheated, make steady, safe the carrying out of charging process energy.
Display screen is selected 12864 liquid crystal display screens with Chinese word library, liquid crystal screen module is connected with PA, the PB mouth of single-chip microcomputer, can show in real time terminal voltage and the temperature of charging voltage, charging current and battery in charging process, and at one's leisure can displaying calendar, the duty ratio of 4 road PWM ripples etc.
Keyboard circuit is selected 4x4 matrix keyboard.Switch to the interface such as terminal voltage and temperature demonstration of the duty ratio demonstration of accumulator charging method selection, charge parameter setting, calendar adjustment, 4 road PWM ripples and charging voltage, charging current, battery by button.
After battery detecting program completes, start battery to carry out low current charge, charge rate is about 1/5C left and right; In the time that low current charge to cell voltage reaches reference value, system enters the constant current charge stage, and in the quick charge stage that this stage is storage battery, charge rate is 1-2C; In the time that charging voltage reaches the maximum charging voltage of battery of setting, system enters the constant voltage charge stage, and along with cell voltage rises gradually, charging current reduces gradually; When charging current subtracts d, when N sets reference value, system judges that storage battery abundance stops charging.
In charging process, constantly whether monitoring cell voltage exceedes safety value, temperature or rate of temperature change and whether reaches limit value, stops immediately charging if any above-mentioned situation.Detecting cell voltage is that whether detected temperatures and rate of temperature change reach limit value in order to prevent that lithium ion battery and lead accumulator from overcharging, and is in order to prevent that ni-mh and nickel-cadmium cell from overcharging.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, other modifications that those of ordinary skills make the technical solution of the utility model or be equal to replacement, only otherwise depart from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of claim scope of the present utility model.
Claims (6)
1. the high-power quick, intelligent charging system of electric automobile, it is characterized in that: comprise single-chip microcomputer, charging circuit, temperature sensing circuit, current detection circuit, voltage detecting circuit and display screen, described display screen, charging circuit, temperature sensing circuit, current detection circuit and voltage detecting circuit are connected respectively single-chip microcomputer.
2. the high-power quick, intelligent charging system of a kind of electric automobile as claimed in claim 1, is characterized in that: described single-chip microcomputer adopts MC9S12XS128 chip.
3. the high-power quick, intelligent charging system of a kind of electric automobile as claimed in claim 1, is characterized in that: the high-power quick, intelligent charging system of described electric automobile also comprises clock chip, and described clock chip connects single-chip microcomputer.
4. the high-power quick, intelligent charging system of a kind of electric automobile as claimed in claim 1, is characterized in that: the high-power quick, intelligent charging system of described electric automobile also comprises keyboard circuit, and described keyboard circuit connects single-chip microcomputer.
5. the high-power quick, intelligent charging system of a kind of electric automobile as claimed in claim 1, is characterized in that: described current detection circuit adopts Hall-type current sensor.
6. the high-power quick, intelligent charging system of a kind of electric automobile as claimed in claim 1, is characterized in that: described temperature sensing circuit adopts thermistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821491.7U CN203617756U (en) | 2013-12-16 | 2013-12-16 | High-power rapid intelligent charging system for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821491.7U CN203617756U (en) | 2013-12-16 | 2013-12-16 | High-power rapid intelligent charging system for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203617756U true CN203617756U (en) | 2014-05-28 |
Family
ID=50770378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320821491.7U Expired - Lifetime CN203617756U (en) | 2013-12-16 | 2013-12-16 | High-power rapid intelligent charging system for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203617756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039764A (en) * | 2017-08-08 | 2018-05-15 | 中山市松信电子有限公司 | Programmable switch formula electric car charger based on solid-state relay |
-
2013
- 2013-12-16 CN CN201320821491.7U patent/CN203617756U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039764A (en) * | 2017-08-08 | 2018-05-15 | 中山市松信电子有限公司 | Programmable switch formula electric car charger based on solid-state relay |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190222038A1 (en) | Portable Emergency Energy-Storage System with Intelligent Protection | |
| CN106712159B (en) | Lithium battery rapid charging and discharging device and method | |
| CN203056660U (en) | Intelligent charger for electric car | |
| CN103997108B (en) | A kind of electric automobile lead acid batteries charger | |
| CN211627772U (en) | Small-size aluminium air battery monitored control system | |
| CN205565836U (en) | Emergent start power device | |
| CN204316150U (en) | A kind of circuit extending series-connected batteries useful life | |
| CN202856408U (en) | Vehicle-borne photovoltaic charging device for electric vehicle | |
| CN203690962U (en) | Automatic charger | |
| CN104052105A (en) | Rapid charging system for lithium battery of electric vehicle | |
| CN203289168U (en) | Charger circuit for lead-acid battery | |
| CN107666173A (en) | A kind of electric automobile Lead-acid Battery Intelligent Charging system | |
| CN107733000A (en) | Charging method and charger | |
| CN108512283A (en) | A kind of multi-functional charging system | |
| CN203617756U (en) | High-power rapid intelligent charging system for electric vehicle | |
| CN209282907U (en) | A kind of solar street light power supply system | |
| CN210400457U (en) | Environment monitoring device based on solar power supply | |
| CN205029395U (en) | Embedded intelligent charging ware | |
| CN204835678U (en) | Charging system | |
| CN204142930U (en) | A kind of accumulator cell charging and discharging electric quantity monitoring table | |
| CN104167780B (en) | A kind of continuous controlled isolating active active equalization charging module and charge system thereof | |
| CN208209602U (en) | A kind of new energy intelligent charging system | |
| CN212447151U (en) | Anti-bulging charging control circuit and charger | |
| CN203840015U (en) | Rapid charging system for lithium battery of electric vehicle | |
| CN201742123U (en) | Notebook computer battery charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |