CN210126457U - Dual-power-supply management and control system for electric vehicle - Google Patents
Dual-power-supply management and control system for electric vehicle Download PDFInfo
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- CN210126457U CN210126457U CN201920551812.3U CN201920551812U CN210126457U CN 210126457 U CN210126457 U CN 210126457U CN 201920551812 U CN201920551812 U CN 201920551812U CN 210126457 U CN210126457 U CN 210126457U
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- electric vehicle
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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 double-power management and control system for an electric vehicle, which belongs to the technical field of electric vehicles and comprises a storage battery for supplying power to a motor and a controller for controlling the working state of the storage battery; the method is characterized in that: the storage batteries comprise two groups, and each group of storage batteries is formed by sequentially connecting a plurality of storage battery monomers in series; each group of storage batteries is electrically connected with the motor through the controller; the electric vehicle is characterized by also comprising a generator, wherein the generator converts kinetic energy of the electric vehicle in the sliding process into electric energy; the power output terminal of the generator is electrically connected with the controller; the controller is electrically connected with each group of storage batteries through the charger. When the dual-power management and control system for the electric vehicle is used, the working states of the dual power sources can be switched according to the actual working condition requirements, so that the safety and the cruising ability of the electric vehicle are improved; the working state comprises the following steps: the method comprises the following steps of alternative work of double power supplies, series work of the double power supplies and parallel work of the double power supplies; under different operating conditions, the motor can output different power torques, and then the demand of different operating modes is satisfied.
Description
Technical Field
The utility model belongs to the technical field of the electric motor car, especially, relate to a double power supply management and control system for electric motor car.
Background
Electric vehicles, i.e. electrically driven vehicles, also known as electrically driven vehicles, are well known. Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles. Generally, an electric vehicle is a vehicle that uses a battery as an energy source, and converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed.
In recent years, along with the increasing awareness of environmental protection of human beings, electric vehicles are more and more valued by people; at present, most of traditional electric vehicles only have one storage battery, and the electric vehicle with the structure has the following defects through long-term practical process: firstly, when the electric quantity of the battery is insufficient, the storage battery needs to be charged, and the electric vehicle cannot be normally used at the moment; secondly, the output kinetic energy of the motor is single, and the power output of the motor is continuously reduced along with the extension of the service time of the battery; thirdly, the endurance is weak; fourthly, when the stroke is large, dangerous accidents can be caused by long-time high-load work of a single battery; therefore, in order to solve the above technical problems, it is important to design and develop a dual power management and control system for an electric vehicle, which has high safety and high cruising ability.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a dual-power management and control system for an electric vehicle, which can switch the working state of dual power according to the actual requirement when in use, thereby improving the safety and the cruising ability of the electric vehicle; the above-mentioned working condition includes: the system comprises alternative work of double power supplies, series work of the double power supplies and parallel work of the double power supplies.
The utility model discloses the concrete technical scheme who adopts does:
the utility model aims at providing a double-power management and control system for an electric vehicle, which comprises a storage battery for supplying power to a motor and a controller for controlling the working state of the storage battery; the storage batteries comprise two groups, and each group of storage batteries is formed by sequentially connecting a plurality of storage battery monomers in series; each group of storage batteries is electrically connected with the motor through the controller; the electric vehicle is characterized by also comprising a generator, wherein the generator converts kinetic energy of the electric vehicle in the sliding process into electric energy; the power output terminal of the generator is electrically connected with the controller; the controller is electrically connected with each group of storage batteries through a charger.
Further: the rotor of the generator is connected with the hub of the electric vehicle.
Further: the rated output voltage of each group of storage batteries is 48V, and the rated current is 20A.
Further: the rated output voltage of the generator is 96V.
Further: the controller is model number DDSIG4845 BD-XL.
The utility model discloses an advantage and positive effect do:
by adopting the technical scheme, the utility model discloses following technological effect has:
when the dual-power management and control system for the electric vehicle is used, the working states of the dual power sources can be switched according to the actual working condition requirements, so that the safety and the cruising ability of the electric vehicle are improved; the above-mentioned working condition includes: the method comprises the following steps of alternative work of double power supplies, series work of the double power supplies and parallel work of the double power supplies; under the above-mentioned operating condition of difference, the motor can export different power moment of torsion, and then satisfies the demand of different operating modes.
Meanwhile, when the electric vehicle runs downhill, the storage battery can be charged through the generator, and the stroke is further increased.
Drawings
Fig. 1 is a circuit block diagram of a preferred embodiment of the present invention;
Detailed Description
In order to further understand the contents, features and functions of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail with reference to the accompanying drawings.
Please refer to fig. 1: a double-power management and control system for an electric vehicle comprises a storage battery for supplying power to a motor and a controller for controlling the working state of the storage battery; the storage batteries comprise two groups, and each group of storage batteries is formed by sequentially connecting a plurality of storage battery monomers in series; each group of storage batteries is electrically connected with the motor through the controller; the electric vehicle is characterized by also comprising a generator, wherein the generator converts kinetic energy of the electric vehicle in the sliding process into electric energy; the power output terminal of the generator is electrically connected with the controller; the controller is electrically connected with each group of storage batteries through a charger.
The above-mentioned preferred technical scheme can make this patent have following function:
1. the alternate work of dual supply, the battery is in intermittent type operating condition, reduces battery load. Extending battery life
2. The series work of the dual power supplies improves the working voltage of the motor, increases the torque and the rotating speed, and is suitable for climbing
3. The parallel operation of the double power supplies reduces the starting current by 50 percent and reduces the load of the battery. The battery life is prolonged. The device is suitable for constant-speed long-distance endurance.
Preferably, the method comprises the following steps: the rotor of the generator is connected with the hub of the electric vehicle. When the electric vehicle slides downhill, the hub rotates to drive the generator to generate electricity, and then the electric energy generated by the generator reversely charges the storage battery. And finally, the cruising ability is prolonged.
The rated output voltage of each group of storage batteries is 48V, and the rated current is 20A.
The rated output voltage of the generator is 96V.
The controller is DDSIG4845BD-XL
The specific working principle of the preferred embodiment is as follows:
the storage batteries 18 and 19 are respectively connected to the charge and discharge control module 3 through leads 1, 2, 16 and 17. The charge and discharge control module 3 is connected to a serial-parallel conversion circuit 13 inside the dual power management controller 7 through wires 4, 5, 14 and 15. The serial-parallel conversion circuit 13 is connected to the electric energy collection circuit/motor drive circuit 12. The generator 9 is connected to a power harvesting circuit/motor drive circuit 12 by conductors 8, 10, 11. The state change-over switch 6 is connected to the serial-parallel conversion circuit 13 via wires 20, 21.
The conversion process of the series-parallel mode comprises the following steps: when the state change-over switch 6 is turned on, the serial-parallel conversion circuit 13 switches the batteries 18, 19 to the parallel mode, outputting a voltage 48 v. When the state change-over switch 6 is turned off, the serial-parallel conversion circuit 13 switches the batteries 18, 19 to the serial mode, and outputs a voltage 96 v.
The process of reverse charging: in the parallel mode, when the electric vehicle is in a downhill sliding state, the generator 9 generates voltage, the higher the speed is, and when the voltage generated by the motor exceeds the voltage of the battery (48v), the charging current is generated. And (3) reversing the current: the system comprises a motor, an electric energy collecting circuit/a motor driving circuit, a serial-parallel conversion circuit, a charge and discharge control module and a battery.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (5)
1. A double-power management and control system for an electric vehicle comprises a storage battery for supplying power to a motor and a controller for controlling the working state of the storage battery; the method is characterized in that: the storage batteries comprise two groups, and each group of storage batteries is formed by sequentially connecting a plurality of storage battery monomers in series; each group of storage batteries is electrically connected with the motor through the controller; the electric vehicle is characterized by also comprising a generator, wherein the generator converts kinetic energy of the electric vehicle in the sliding process into electric energy; the power output terminal of the generator is electrically connected with the controller; the controller is electrically connected with each group of storage batteries through a charger.
2. The electric vehicle dual-power management and control system according to claim 1, characterized in that: the rotor of the generator is connected with the hub of the electric vehicle.
3. The electric vehicle dual-power management and control system according to claim 1, characterized in that: the rated output voltage of each group of storage batteries is 48V, and the rated current is 20A.
4. The electric vehicle dual-power management and control system according to claim 1, characterized in that: the rated output voltage of the generator is 96V.
5. The electric vehicle dual-power management and control system according to claim 1, characterized in that: the controller is model number DDSIG4845 BD-XL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920551812.3U CN210126457U (en) | 2019-04-22 | 2019-04-22 | Dual-power-supply management and control system for electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920551812.3U CN210126457U (en) | 2019-04-22 | 2019-04-22 | Dual-power-supply management and control system for electric vehicle |
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| CN210126457U true CN210126457U (en) | 2020-03-06 |
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| CN201920551812.3U Active CN210126457U (en) | 2019-04-22 | 2019-04-22 | Dual-power-supply management and control system for electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053517A (en) * | 2019-04-22 | 2019-07-26 | 米勒科技（天津）有限公司 | A kind of electronic automobile-used dual power supply managing and control system |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053517A (en) * | 2019-04-22 | 2019-07-26 | 米勒科技（天津）有限公司 | A kind of electronic automobile-used dual power supply managing and control system |
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Effective date of registration: 20220922 Address after: No. 052, Shuangkou Second Village, Shuangkou Town, Beichen District, Tianjin 300402 Patentee after: MILLER TECHNOLOGY (TIANJIN) Co.,Ltd. Patentee after: Bicycle research center of Tianjin Institute of product quality supervision and testing technology Address before: No. 052, Shuangkou Second Village, Shuangkou Town, Beichen District, Tianjin 300402 Patentee before: MILLER TECHNOLOGY (TIANJIN) Co.,Ltd. |