CN115020922A - Battery pack of electric vehicle - Google Patents
Battery pack of electric vehicle Download PDFInfo
- Publication number
- CN115020922A CN115020922A CN202210850268.9A CN202210850268A CN115020922A CN 115020922 A CN115020922 A CN 115020922A CN 202210850268 A CN202210850268 A CN 202210850268A CN 115020922 A CN115020922 A CN 115020922A
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- Prior art keywords
- battery pack
- charging
- electric vehicle
- electric
- vehicle
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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- 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
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- 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
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides an electric motor car double battery group, including the group battery, the automatically controlled module of power supply, the automatically controlled module of charging, external interface that charges, set the group battery into two independent group batteries respectively, be provided with on-vehicle charging generator, this generator is connected with electric motor car shaft transmission and drives its electricity generation and charge to two group batteries, one charges to electric motor car power supply of two group batteries, the automatically controlled module of power supply control two group batteries are changing in turn and are supplying power to the electric motor car, the automatically controlled module of charging control controls two group batteries and are changing in turn and charging, two group battery electrodes are connected with electric motor car power supply circuit through the automatically controlled module of power supply respectively, on-vehicle charging generator output electrode is connected with two group battery electrodes respectively through the automatically controlled module of charging, external interface that charges is connected with two group battery electrodes respectively through the automatically controlled module of charging. The double battery packs of the electric vehicle supply power to the electric vehicle one by one during running of the electric vehicle, the electric vehicle has long endurance, and people are no longer anxious for endurance and battery pack charging of the electric vehicle.
Description
Technical Field
The invention relates to an electric vehicle battery pack, in particular to an electric vehicle double battery pack.
Background
The existing electric vehicle is a single battery pack, namely, the electric vehicle only adopts one battery pack. The single battery pack type electric vehicle has the defects that the single battery pack of the electric vehicle cannot supply power to the electric vehicle and charge the electric vehicle while the electric vehicle runs, the driving mileage of the electric vehicle is short, the battery pack is charged by parking the electric vehicle to use a ground charging facility, the charging is slow, the charging time is long, the driving mileage of the electric vehicle is anxious by people, the battery pack is charged anxious, the battery pack is large in size, heavy in weight, high in cost, large in occupied space of the electric vehicle, heavy in load of the electric vehicle, high in power consumption of rare materials, resource waste, energy saving and environment protection are avoided.
Disclosure of Invention
In order to solve the defects that the existing single battery pack of the electric vehicle cannot supply power to the electric vehicle and charge the electric vehicle during running of the electric vehicle, the invention provides the double battery pack of the electric vehicle.
The technical scheme adopted by the invention for solving the technical problems is as follows: a double battery pack of an electric vehicle comprises a battery pack, a power supply electric control module, a charging electric control module and an external charging interface, wherein the battery pack is respectively arranged into two independent battery packs, namely a first battery pack and a second battery pack, the first battery pack and the second battery pack are provided with a vehicle-mounted charging generator, the vehicle-mounted charging generator is in transmission connection with an electric vehicle wheel shaft to drive the first battery pack and the second battery pack to generate power and charge the first battery pack and the second battery pack, one of the first battery pack and the second battery pack supplies power and one of the second battery pack charges the electric vehicle, the power supply electric control module controls the first battery pack and the second battery pack to alternately replace and charge the electric vehicle, electrodes of the first battery pack and the second battery pack are respectively connected with a power supply circuit of the electric vehicle through the power supply electric control module, output electrodes of the vehicle-mounted charging generator are respectively connected with electrodes of the first battery pack through the charging electric control module, And the external charging interface is respectively connected with the first battery pack electrode and the second battery pack electrode through the charging electric control module.
According to the double battery packs of the electric vehicle, the electric energy capacities of the first battery pack and the second battery pack are the same, and the electric energy capacities are more than two times of the average electric power consumption of the electric vehicle in hundred kilometers and the shapes and the sizes of the first battery pack and the second battery pack are the same.
In the above-mentioned electric vehicle double-battery pack, the electric power of the vehicle-mounted charging generator is more than ten percent of the electric power of the driving motor of the electric vehicle.
According to the double battery packs of the electric vehicle, the first battery pack electrode and the second battery pack electrode are respectively connected with the power supply circuit of the electric vehicle through the power supply electronic control module to form the two power supply circuits for respectively supplying power to the electric vehicle by the first battery pack and the second battery pack, the power supply electronic control module is alternately switched on and switched off to control the first battery pack and the second battery pack to be alternately switched on and switched off to supply power to the electric vehicle.
In the double battery packs of the electric vehicle, the output electrode of the vehicle-mounted charging generator is respectively connected with the electrode of the first battery pack and the electrode of the second battery pack through the charging electric control module to form two charging circuits for the vehicle-mounted charging generator to respectively charge the first battery pack and the second battery pack, and the charging electric control module alternately switches on and off the two charging circuits to control the first battery pack and the second battery pack to alternately change and charge.
In the double-battery pack of the electric vehicle, the external charging interface is respectively connected with the electrode of the first battery pack and the electrode of the second battery pack through the charging electric control module to form two external charging circuits of the external charging interface, the first battery pack and the second battery pack, and the charging electric control module controls the two external charging circuits to be switched on and off.
The invention has the beneficial effects that: the double battery packs of the electric vehicle solve the defect that a single battery pack of the electric vehicle cannot supply power to the electric vehicle and charge the electric vehicle while the electric vehicle runs. The battery packs of the electric vehicle are respectively arranged into two independent battery packs, the two battery packs are provided with vehicle-mounted charging generators, the generators are in transmission connection with the wheel shafts of the electric vehicle to drive the generators to generate electricity to charge the two battery packs, one battery pack supplies electricity and the other battery pack charges the electric vehicle, the power supply electronic control module controls the two battery packs to alternately change and supply electricity to the electric vehicle, the charging electronic control module controls the two battery packs to alternately change and charge, the electric vehicle not only consumes the electric energy of the two battery packs but also drives the vehicle-mounted charging generators to generate electricity to supplement the electric energy to the two battery packs, the charging endurance of the electric vehicle is long while the electric vehicle runs, people are not anxious for the endurance mileage of the electric vehicle and are anxious for charging the battery packs, the problem that the capacity of the battery packs of the electric vehicle which troubles people for a long time limits the endurance mileage of the electric vehicle is eliminated, and people are not longer for prolonging the endurance mileage of the electric vehicle, the battery pack can increase the electric energy capacity of the battery pack and stack battery cells without limitation; the electric vehicle has the advantages of small electric energy capacity, small volume, light weight, low cost, small occupied space of the electric vehicle, light load and electricity saving of the electric vehicle, less consumption of rare materials by the battery pack, energy conservation and environmental protection; the double battery packs of the electric vehicle are charged slowly in a shallow manner, so that the service life of the battery packs is prolonged; the vehicle-mounted charging generator has the advantages of small electric power, small volume, light weight and small occupied space of the electric vehicle, and the electric vehicle can drive the electric generator to generate electricity, so that the electric energy can be supplemented to the two battery packs, the endurance mileage of the electric vehicle can be prolonged, and the normal running of the electric vehicle is not influenced.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a schematic of the present invention:
in the figure, 1, a battery pack, 2, a power supply electronic control module, 3, a charging electronic control module, 4, an external charging interface, 5, a first battery pack, 6, a second battery pack and 7, a vehicle-mounted charging generator are arranged.
Detailed Description
The electric vehicle double battery pack comprises a battery pack 1, a power supply electric control module 2, a charging electric control module 3 and an external charging interface 4, wherein the battery pack 1 is respectively arranged into two independent battery packs, namely a first battery pack 5 and a second battery pack 6, the electric energy capacity of the first battery pack and the electric energy capacity of the second battery pack are more than two times of the average electric power consumption of the electric vehicle per hundred kilometers, the shapes and the sizes of the first battery pack and the second battery pack are the same, a vehicle-mounted charging generator 7 is arranged on the first battery pack 5 and the second battery pack 6, the electric power of the first battery pack and the second battery pack is more than ten percent of the electric power of a driving motor of the electric vehicle, the vehicle-mounted charging generator 7 is in transmission connection with an electric vehicle wheel shaft, and the electric vehicle driving wheel shaft rotates to drive the electric generator to charge the first battery pack 5 and the second battery pack 6; the first battery pack 5 electrode and the second battery pack 6 electrode are respectively connected with a power supply circuit of the electric vehicle through the power supply electronic control module 2 to form two power supply circuits for respectively supplying power to the electric vehicle by the first battery pack 5 and the second battery pack 6, and the power supply electronic control module 2 is alternately switched on and off to control the first battery pack 5 and the second battery pack 6 to alternately supply power to the electric vehicle; the output electrode of the vehicle-mounted charging generator 7 is respectively connected with the electrode of the first battery pack 5 and the electrode of the second battery pack 6 through the charging electric control module 3 to form two charging circuits for the vehicle-mounted charging generator 7 to respectively charge the first battery pack 5 and the second battery pack 6, and the charging electric control module 3 is alternately switched on and switched off to control the first battery pack 5 and the second battery pack 6 to be alternately switched for charging; the external charging interface 4 is respectively connected with the electrode of the first battery pack 5 and the electrode of the second battery pack 6 through the charging electric control module 3 to form two external charging circuits of the external charging interface 4, the first battery pack 5 and the second battery pack 6, and the charging electric control module 3 controls the two external charging circuits to be switched on and off; the initial electric quantity of the first battery pack 5 and the initial electric quantity of the second battery pack 6 are all full, when the electric vehicle is started, the charging electric control module 3 disconnects the vehicle-mounted charging generator 7 from the charging circuit of the first battery pack 5 and the charging circuit of the second battery pack 6, the vehicle-mounted charging generator 7 does not increase the starting load of the electric vehicle when in no-load, the power supply electric control module 2 switches on the electric vehicle power supply circuit of the first battery pack 5 and switches off the electric vehicle power supply circuit of the second battery pack 6, the first battery pack 5 supplies power to the electric vehicle, the electric vehicle running wheel shaft rotates to drive the vehicle-mounted charging generator 7 to generate power, the second battery pack 6 is standby, the electric quantity consumption of the first battery pack 5 is reduced to fifty percent along with the continuous running of the electric vehicle, the power supply electric control module 2 switches on the electric vehicle power supply circuit of the second battery pack 6 and simultaneously switches off the electric vehicle power supply circuit of the first battery pack 5, the second battery pack 6 replaces the first battery pack 5 to supply power to the electric vehicle, The first battery pack 5 quits to supply power to the electric vehicle, the electric vehicle continues to run, meanwhile, the charging electric control module 3 is connected with a charging circuit of the first battery pack 5, and the vehicle-mounted charging generator 7 charges the first battery pack 5; the electric vehicle continues to run, the electric quantity consumption of the second battery pack 6 is reduced to fifty percent, the power supply electronic control module 2 is connected with an electric vehicle power supply circuit of the first battery pack 5 and is disconnected with an electric vehicle power supply circuit of the second battery pack 6, the first battery pack 5 replaces the second battery pack 6 to supply power to the electric vehicle, the second battery pack 6 quits the power supply of the electric vehicle, the electric vehicle continues to run, meanwhile, the charging electronic control module 3 is disconnected with a charging circuit of the first battery pack 5 and is connected with a charging circuit of the second battery pack 6, the first battery pack 5 quits charging and the second battery pack 6 enters charging, and the vehicle-mounted charging generator 7 charges the second battery pack 6, so that the reciprocating cycle is not continued until the electric vehicle stops running. The time for the electric quantity of the battery pack for supplying power to the electric vehicle to be reduced to fifty percent is the charging time of the vehicle-mounted charging generator 7 to the charged battery pack, and the charging quantity of the vehicle-mounted charging generator 7 to the battery pack is as follows: the electric power of the on-vehicle charging generator 7 is multiplied by the battery pack charging time. The electric vehicle is started again after being parked, the charging circuit of the first battery pack 5 and the charging circuit of the second battery pack 6 are automatically disconnected by the charging electronic control module 3, the starting load of the electric vehicle is not increased when the vehicle-mounted charging generator 7 is in no-load, the battery pack with high electric quantity is automatically selected by the power supply electronic control module 2 to supply power to the electric vehicle and switch on the power supply circuit of the electric vehicle for running, the battery pack charging circuit with low electric quantity is switched on by the charging electronic control module 3, and the vehicle-mounted charging generator 7 charges the electric vehicle. The external charging interface 4 is respectively connected with the electrodes of the first battery pack 5 and the second battery pack 6 through the charging electric control module 3 to form two external charging circuits of the external charging interface 4, the first battery pack 5 and the second battery pack 6, the charging electric control module 3 controls the two external charging circuits to be switched on and off, the electric vehicle is parked to charge the first battery pack 5 and the second battery pack 6 by using the ground charging facility, the ground charging facility is connected with the charging electric control module 3 through the external charging interface 4 to form two external charging circuits for the ground charging facility to respectively charge the first battery pack 5 and the second battery pack 6, and the charging electric control module 3 controls the two external charging circuits to be switched on and off, so that the ground charging facility is controlled to charge the first battery pack 5 and the second battery pack 6. The electric vehicle double battery pack can be charged by the vehicle-mounted charging generator 7 during running of the electric vehicle, and can also be parked for charging by using a ground charging facility.
Claims (6)
1. The utility model provides a two groups of batteries of electric motor car, includes group battery (1), power supply electric control module (2), the electric control module (3) that charges, external interface (4) that charge, characterized by: the battery pack (1) is respectively arranged into two independent battery packs, namely a first battery pack (5) and a second battery pack (6), the first battery pack (5) and the second battery pack (6) are provided with a vehicle-mounted charging generator (7), the vehicle-mounted charging generator (7) is in transmission connection with an electric vehicle wheel shaft to drive the first battery pack (5) and the second battery pack (6) to generate power to charge the first battery pack and the second battery pack, one of the first battery pack (5) and the second battery pack (6) supplies power and one of the second battery pack (6) charges the electric vehicle, a power supply electric control module (2) controls the first battery pack (5) and the second battery pack (6) to alternately replace the power to supply the electric vehicle, a charging electric control module (3) controls the first battery pack (5) and the second battery pack (6) to alternately replace the charging, electrodes of the first battery pack (5) and the second battery pack (6) are respectively connected with a power supply circuit of the electric vehicle through the power supply electric control module (2), the output electrode of the vehicle-mounted charging generator (7) is respectively connected with the electrode of the first battery pack (5) and the electrode of the second battery pack (6) through the charging electric control module (3), and the external charging interface (4) is respectively connected with the electrode of the first battery pack (5) and the electrode of the second battery pack (6) through the charging electric control module (3).
2. The electric vehicle dual-battery pack according to claim 1, characterized in that: the first battery pack (5) and the second battery pack (6) have the same electric energy capacity which is more than twice of the average electric power consumption of the electric vehicle in hundred kilometers, and have the same shape and size.
3. The electric vehicle dual-battery pack according to claim 1, characterized in that: the electric power of the vehicle-mounted charging generator (7) is more than ten percent of the electric power of a driving motor of the electric vehicle.
4. The electric vehicle dual-battery pack according to claim 1, characterized in that: the first battery pack (5) electrode and the second battery pack (6) electrode are respectively connected with a power supply circuit of the electric vehicle through the power supply electronic control module (2) to form two power supply circuits for respectively supplying power to the electric vehicle by the first battery pack (5) and the second battery pack (6), the power supply electronic control module (2) is alternately switched on and switched off to control the first battery pack (5) and the second battery pack (6) to be alternately switched to supply power to the electric vehicle.
5. The electric vehicle dual-battery pack according to claim 1, characterized in that: the output electrode of the vehicle-mounted charging generator (7) is respectively connected with the electrode of the first battery pack (5) and the electrode of the second battery pack (6) through the charging electric control module (3) to form two charging circuits for the vehicle-mounted charging generator (7) to respectively charge the first battery pack (5) and the second battery pack (6), the charging electric control module (3) is alternately switched on and switched off to control the first battery pack (5), and the second battery pack (6) is alternately switched to charge.
6. The electric vehicle dual-battery pack according to claim 1, characterized in that: the external charging interface (4) is respectively connected with the electrode of the first battery pack (5) and the electrode of the second battery pack (6) through the charging electric control module (3) to form two external charging circuits of the external charging interface (4), the first battery pack (5) and the second battery pack (6), and the charging electric control module (3) controls the two external charging circuits to be switched on and off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210850268.9A CN115020922A (en) | 2022-07-20 | 2022-07-20 | Battery pack of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210850268.9A CN115020922A (en) | 2022-07-20 | 2022-07-20 | Battery pack of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115020922A true CN115020922A (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210850268.9A Pending CN115020922A (en) | 2022-07-20 | 2022-07-20 | Battery pack of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115020922A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208359938U (en) * | 2018-07-06 | 2019-01-11 | 刘超 | A kind of electric vehicle with high course continuation mileage |
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2022
- 2022-07-20 CN CN202210850268.9A patent/CN115020922A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208359938U (en) * | 2018-07-06 | 2019-01-11 | 刘超 | A kind of electric vehicle with high course continuation mileage |
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