CN201325394Y - Power supply drive circuit for electric motor cars - Google Patents
Power supply drive circuit for electric motor cars Download PDFInfo
- Publication number
- CN201325394Y CN201325394Y CNU2008201239880U CN200820123988U CN201325394Y CN 201325394 Y CN201325394 Y CN 201325394Y CN U2008201239880 U CNU2008201239880 U CN U2008201239880U CN 200820123988 U CN200820123988 U CN 200820123988U CN 201325394 Y CN201325394 Y CN 201325394Y
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- China
- Prior art keywords
- battery
- module
- lithium ion
- power supply
- driven car
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- 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 - Fee Related
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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 utility model discloses a power supply drive circuit for electric motor cars. The power supply drive circuit comprises an electric motor car driving subsystem and a power management subsystem supplying power supply to the driving subsystem, wherein, the power management subsystem comprises a first power supply device and a second power supply device which are connected in parallel; the first power supply device comprises a storage battery used for supplying working voltage to the electric motor car; and the second power supply device comprises lithium ion batteries which are connected and a power manager used for adjusting the output voltage of the lithium ion batteries to the working voltage of the electric motor car. Adopting the power supply mode in which the lithium ion batteries and the storage battery are connected in parallel, the power supply drive circuit can supply power to a double-motor driven electric motor car, thereby reducing the volume and the weight of the power supply device, and enabling the electric motor car to be portable and flexile.
Description
Technical field
The utility model relates to elec. vehicle electrical circuitry equipment field, particularly a kind of electric vehicle power sources driving circuit.
Background technology
Along with improving constantly of people's living standard, battery-driven car is just laborsaving with it, advantage replaces bicycle to become the walking-replacing tool of people's first-selection gradually efficiently.Current battery-driven car is by the type of drive branch, can be divided into single motor-driven battery-driven car and dual motor-driven electric vehicle, than single motor-driven battery-driven car, double-motor drives the battery-driven car of front and back wheel respectively, can reach higher running velocity, have stronger hill climbing ability.
Dual motor-driven electric vehicle need adopt the electric supply installation with bigger horsepower output that it is powered, and can guarantee the normal operation of motor, promptly increases a storage battery on the basis of original electric supply installation again, satisfies power demands.But there is the defective that volume is big, weight is big in storage battery, adopts two modes that storage battery is powered, and has brought bigger heavy burden to battery-driven car, makes battery-driven car car body heaviness, and is light inadequately, flexible.
The utility model content
The purpose of this utility model provides a kind of electric vehicle power sources driving circuit, to solve the problem that adopts two storage batterys to cause the car body heaviness in the battery-driven car, reduces the volume and weight of electric supply installation in the battery-driven car.
For achieving the above object, the utility model provides a kind of electric vehicle power sources driving circuit, comprise the driver sub-system of battery-driven car and the power management subsystem of power supply is provided for described driver sub-system, described power management subsystem comprises first electric supply installation parallel with one another and second electric supply installation, described first electric supply installation comprises the storage battery that is used to provide the battery-driven car operating voltage, and described second electric supply installation comprises interconnective lithium ion battery and is used for the output voltage of described lithium ion battery is adjusted to the power supervisor of described battery-driven car operating voltage.
The utility model adopts the form of lithium ion battery and storage battery parallel power supply by a kind of electric vehicle power sources driving circuit is provided, and dual motor-driven electric vehicle is powered, and has reduced the volume and weight of electric supply installation, makes battery-driven car light, flexible.
Description of drawings
Fig. 1 is the system chart of the utility model electric vehicle power sources driving circuit first embodiment;
Fig. 2 is the system chart of the utility model electric vehicle power sources driving circuit second embodiment;
Fig. 3 is the schematic circuit diagram of the utility model electric vehicle power sources driving circuit;
Description of reference numerals:
The 1-driver sub-system; The 2-power management subsystem; 3-first electric supply installation;
4-second electric supply installation; The 5-storage battery; The 6-lithium ion battery;
The 7-power supervisor; 8-first processing module; The 9-adjusting module;
10-first detection sub-module; The 11-first control submodule; 12-second processing module;
13-second detection sub-module; The 14-second control submodule.
The specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 1 is the system chart of the utility model electric vehicle power sources driving circuit first embodiment.As described in Figure 1, the electric vehicle power sources driving circuit that present embodiment provides comprises the driver sub-system 1 and the power management subsystem 2 of battery-driven car, power management subsystem 2 comprises first electric supply installation 3 and second electric supply installation 4, first electric supply installation 3 comprises that storage battery 5, the second electric supply installations 4 comprise lithium ion battery 6 and power supervisor 7.Wherein, power management subsystem 2 provides power supply for driver sub-system 1, first electric supply installation 3 and second electric supply installation 4 are parallel with one another, and storage battery 5 is used to provide the battery-driven car operating voltage, and power supervisor 7 is used for the output voltage of lithium ion battery 6 is adjusted to the battery-driven car operating voltage.
Wherein, driver sub-system 1 comprises battery-driven car electricity consumption equipment and controller for electric vehicle, and controller for electric vehicle is used to receive the output voltage of power management subsystem and battery-driven car electricity consumption equipment is controlled.
Consumer comprises electric vehicle motor, illumination equipment, ignition device and meter system, electric vehicle motor is main consumer, be used for electric energy is converted into mechanical energy and then drives the rotation of battery-driven car wheel, two motors of double-motor battery-driven car are respectively applied for front-wheel and the trailing wheel that drives battery-driven car.Because consumer increases, need to adopt electric supply installation to power with bigger horsepower output, therefore the utility model adopts the lithium ion battery mode in parallel with storage battery to power, and when satisfying power demands, has reduced the volume and weight of electric supply installation in the battery-driven car.
In the present embodiment, the output voltage of storage battery 5 is 48 volts (V), the output voltage of lithium ion battery 6 is 26V, lithium ion battery 6 is connected with power supervisor 7, be increased to behind the battery-driven car operating voltage 48V voltage in parallel by power supervisor 7 with storage battery 5, the two ends of the input termination lithium ion battery 6 of power supervisor 7, mouth output battery-driven car operating voltage.
The utility model adopts the form of lithium ion battery and storage battery parallel power supply by a kind of electric vehicle power sources driving circuit is provided, and dual motor-driven electric vehicle is powered, and has reduced the volume and weight of electric supply installation, makes battery-driven car light, flexible.
Fig. 2 is the system chart of the utility model electric vehicle power sources driving circuit second embodiment.As shown in Figure 2, the power supervisor in the technique scheme 7 comprises that first processing module 8 and adjusting module 9, the first processing modules 8 comprise first detection sub-module 10 and the first control submodule 11.Wherein, first processing module 8 is used for the output voltage of lithium ion battery 6 and/or electric current are carried out pre-processing, adjusting module 9 is used for the output voltage of first processing module 8 is adjusted to the battery-driven car operating voltage, first processing module 8 is connected in series with adjusting module 9, first detection sub-module 10 is used for the output voltage and/or the electric current of lithium ion battery 6 are detected, the first control submodule 11 is used for carrying out break-make control according to the voltage of first detection sub-module, 10 outputs and/or electric current, first detection sub-module 10 and 11 series connection of the first control submodule.
When electric vehicle power sources ADMINISTRATION SUBSYSTEM 2 is connected, first detection sub-module 10 detects the magnitude of voltage and the current value of lithium ion battery 6 outputs, when this magnitude of voltage and current value are in the scope of adjusting module 9 normal operation, 11 conductings of the first control submodule, when this magnitude of voltage and/or current value surpassed the scope of adjusting module 9 normal operation, the first control submodule 11 turn-offed.The voltage of output equates with the voltage of storage battery 5 after adjusting module 9 is adjusted, and storage battery 5 is in parallel with the voltage of adjusting module 9 outputs, is the battery-driven car power supply jointly.
Voltage in order to ensure adjusting module 9 outputs equates with the voltage of storage battery 5, and guarantee that storage battery 5 can not cause infringement because of overcurrent and/or overvoltage, on the basis of technique scheme, power supervisor 7 can also comprise that second processing module, 12, the second processing modules 12 comprise second detection sub-module 13 and the second control submodule 14.Wherein, second processing module 12 is used for the output voltage of adjusting module 9 and/or electric current are carried out post-processing, second detection sub-module 13 is used for the output voltage and/or the electric current of adjusting module 9 are detected, the second control submodule 14 is used for carrying out break-make control according to the voltage of second detection sub-module, 13 outputs and/or electric current, second detection sub-module 13 and 14 series connection of the second control submodule.
The output voltage of the lithium ion battery 6 that detects when first detection sub-module 10 greater than 20V and electric current greater than 0A during smaller or equal to 15A, 11 conductings of the first control submodule, adjusting module 9 is adjusted to the battery-driven car operating voltage with the voltage of the first control submodule, 11 outputs, the output voltage of the adjusting module 9 that detects when second detection sub-module 13 is smaller or equal to 53V and electric current during smaller or equal to 6A, 14 conductings of the second control submodule.Use along with battery-driven car, the capacitance of storage battery 5 and lithium ion battery 7 can reduce gradually and causes output voltage to reduce, when lithium ion battery 6 input voltages that detect when first detection sub-module 10 are lower than 20V and/or electric current greater than 15A, the first control submodule 11 turn-offs, then adjusting module 9, second detection sub-module 13 and the second control submodule 14 quit work, lithium ion battery is stopped power supply, during greater than 6A, the second control submodule 14 turn-offs the voltage that detects adjusting module 9 output when second detection sub-module 13 greater than 53V and/or electric current.
In the utility model the foregoing description, storage battery all can be in lead-acid storage battery, nickel-hydrogen accumulator or the lithium ion battery any one.
The utility model is by providing a kind of electric vehicle power sources driving circuit, adopt adjusting module effectively the voltage of lithium ion battery to be adjusted to the battery-driven car operating voltage, dual motor-driven electric vehicle is powered, reduced the volume and weight of electric supply installation, make battery-driven car light, flexibly, adopt first processing module and second processing module to the voltage of the voltage of lithium ion battery input and/or electric current and adjusting module output and/or electric current detects and break-make control again, ensured that lithium ion battery and storage battery can be because of overvoltages, under-voltage or overcurrent and the reality that causes damage.
Fig. 3 is the schematic circuit diagram of the utility model electric vehicle power sources driving circuit.As shown in Figure 3, lithium ion battery is with after power supervisor is connected, and is in parallel with the storage battery of 48V, is preceding controller and back controller power supply jointly, preceding controller and front motor controlled respectively by the back controller and rear motor carries out work.
It should be noted that at last: above embodiment is only in order to explanation the technical solution of the utility model but not limit it, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.
Claims (5)
1, a kind of electric vehicle power sources driving circuit, comprise the driver sub-system of battery-driven car and the power management subsystem of power supply is provided for described driver sub-system, it is characterized in that, described power management subsystem comprises first electric supply installation parallel with one another and second electric supply installation, described first electric supply installation comprises the storage battery that is used to provide the battery-driven car operating voltage, and described second electric supply installation comprises interconnective lithium ion battery and is used for the output voltage of described lithium ion battery is adjusted to the power supervisor of described battery-driven car operating voltage.
2, electric vehicle power sources driving circuit according to claim 1, it is characterized in that, what described power supervisor comprised serial connection is used for first processing module that output voltage and/or electric current to described lithium ion battery carry out pre-processing and the adjusting module that is used for the output voltage of described first processing module is adjusted to described battery-driven car operating voltage, described first processing module comprises that output voltage and/or the electric current first detection sub-module that detects and the voltage and/or the electric current that are used for according to described first detection sub-module output that are used for described lithium ion battery carry out the first control submodule that break-make is controlled, and described first detection sub-module and the described first control submodule are connected.
3, electric vehicle power sources driving circuit according to claim 2, it is characterized in that, described power supervisor also comprises and is used for second processing module that output voltage and/or electric current to described adjusting module carry out post-processing, described second processing module comprises that output voltage and/or the electric current second detection sub-module that detects and the voltage and/or the electric current that are used for according to described second detection sub-module output that are used for described adjusting module carry out the second control submodule that break-make is controlled, and described second detection sub-module and the described second control submodule are connected.
4, according to claim 1 or 2 or 3 described electric vehicle power sources driving circuits, it is characterized in that described storage battery is specially lead-acid storage battery, Ni-MH battery or lithium ion battery.
5, electric vehicle power sources driving circuit according to claim 1, it is characterized in that described driver sub-system comprises battery-driven car electricity consumption equipment and is used to receive the output voltage of described power management subsystem and the controller for electric vehicle that described battery-driven car electricity consumption equipment is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201239880U CN201325394Y (en) | 2008-12-03 | 2008-12-03 | Power supply drive circuit for electric motor cars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201239880U CN201325394Y (en) | 2008-12-03 | 2008-12-03 | Power supply drive circuit for electric motor cars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201325394Y true CN201325394Y (en) | 2009-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201239880U Expired - Fee Related CN201325394Y (en) | 2008-12-03 | 2008-12-03 | Power supply drive circuit for electric motor cars |
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| CN (1) | CN201325394Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407422A (en) * | 2013-08-19 | 2013-11-27 | 袁国威 | Adjusting device for indoor temperature and environment in car |
| CN104527445A (en) * | 2014-12-05 | 2015-04-22 | 深圳市汇川技术股份有限公司 | Power supply control system of electric automobile |
| CN110733565A (en) * | 2018-07-20 | 2020-01-31 | 丰田自动车株式会社 | Vehicle control device, control method, and computer-readable nonvolatile storage medium |
-
2008
- 2008-12-03 CN CNU2008201239880U patent/CN201325394Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407422A (en) * | 2013-08-19 | 2013-11-27 | 袁国威 | Adjusting device for indoor temperature and environment in car |
| CN104527445A (en) * | 2014-12-05 | 2015-04-22 | 深圳市汇川技术股份有限公司 | Power supply control system of electric automobile |
| CN110733565A (en) * | 2018-07-20 | 2020-01-31 | 丰田自动车株式会社 | Vehicle control device, control method, and computer-readable nonvolatile storage medium |
| CN110733565B (en) * | 2018-07-20 | 2022-03-04 | 丰田自动车株式会社 | Vehicle control device, control method, and computer-readable nonvolatile storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091014 Termination date: 20111203 |