CN114987227A - Power consumption range-extending power supply system for electric automobile - Google Patents
Power consumption range-extending power supply system for electric automobile Download PDFInfo
- Publication number
- CN114987227A CN114987227A CN202210829488.3A CN202210829488A CN114987227A CN 114987227 A CN114987227 A CN 114987227A CN 202210829488 A CN202210829488 A CN 202210829488A CN 114987227 A CN114987227 A CN 114987227A
- Authority
- CN
- China
- Prior art keywords
- pack
- battery
- power supply
- battery pack
- power
- 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.)
- Pending
Links
- 239000013589 supplement Substances 0.000 claims abstract description 10
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000001502 supplementing effect Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
-
- 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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an electric power range-extending power supply system for an electric automobile, which comprises: a main battery pack (1) and a battery replacement pack (2); the main battery pack (1) is arranged at a fixed position of the electric automobile, and the battery replacing pack (2) is arranged at a detachable position of the whole automobile; a power supply controller (3) is arranged in the battery replacing battery pack (2), and the main battery pack (1) is connected with the battery replacing battery pack (2) through the power supply controller (3); the battery replacement pack (2) outputs alternating current or direct current through a built-in power controller (3) to supplement charging for the main battery pack (1) or supply power for other loads. The power supply for the electric automobile has a bidirectional charging function, and the battery replacing battery pack can charge the main battery pack and can be recharged when the main battery pack is charged. Trade the battery package and both can dismantle to get off to mend and charge, also can on-vehicle charging, very big satisfying the convenience that whole car and trade the battery package charge.
Description
Technical Field
The invention relates to a power supply and an electric automobile, in particular to a power consumption range-extending power supply system for the electric automobile.
Background
Compared with a pure electric vehicle, the extended range electric vehicle has more advantages in the aspect of endurance and solves the problem of mileage anxiety of the pure electric vehicle. At present, an oil-electricity range extending mode is generally adopted, namely, an engine drives a generator to charge a battery. A disadvantage of such extended range electric vehicles is the mismatch of the generator output current and the acceptable current of the battery at different temperatures and different charge levels. Particularly, the battery may be overcharged under low temperature and high capacity conditions, which may affect the life of the battery and even cause safety problems of the battery. Meanwhile, the use of the oil engine also causes the environmental protection characteristic of the electric vehicle to lose value. The oil-to-electricity range extending mode is not widely accepted by the market.
Therefore, an electric range extending mode is generated, in a Chinese patent CN104103865A 'Range extending battery pack system of a pure electric vehicle', a range extending battery pack is connected with a main battery pack in parallel through a high-voltage switch to provide more electric energy, but the method requires that the series number of the range extending battery pack is the same as that of the main battery pack, the configuration capacity of the range extending battery pack is small, the vehicle cannot be driven independently, and only specific electric vehicles are provided with power energy. In chinese patent CN215904349U, "a range extending system based on distributed automobile battery", a range extending battery module is incorporated into a high-voltage bus through a dc power converter and a range extending connection terminal, and can be powered on when the electric quantity of the original battery pack is low, so as to improve the endurance mileage of the automobile; however, in the scheme, a plurality of standardized battery modules are placed in a plurality of battery cabins, and the new energy electric automobile is driven to run for a longer mileage. The battery modules are independent from each other, and cannot be recharged under the vehicle-mounted condition.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides an electric power range-extending power supply system for an electric automobile.
The technical scheme of the invention is as follows: an electric power range-extending power supply system for an electric automobile comprises: the method comprises the following steps: the battery pack comprises a main battery pack and a battery replacement pack; the main battery pack is arranged at a fixed position of the electric automobile, and the battery replacing battery pack is arranged at a detachable position of the whole automobile; a power supply controller is arranged in the battery replacing battery pack, and the main battery pack is connected with the battery replacing battery pack through the power supply controller; the battery replacement pack outputs alternating current or direct current through a built-in power supply controller to supplement charging for the main battery pack or supply power for other loads.
In the discharging process of the main battery pack, the battery replacement pack outputs alternating current or direct current through a built-in power supply controller of the battery replacement pack to supplement charging for the main battery pack or supply power for other vehicle-mounted equipment.
And in the charging process of the main battery pack, the charging of the battery replacing pack is supplemented through a bidirectional power supply controller arranged in the battery replacing pack.
The battery replacement pack can be taken down from the whole vehicle, and outputs direct current or alternating current through the built-in power supply controller to supply power for other loads.
When the battery replacement pack is detached from the whole vehicle and replaced and then connected with an external power supply, the battery replacement pack supplements charge for the battery replacement pack through a built-in power supply controller.
The working principle of the invention is as follows: the battery replacement pack is provided with a built-in power supply controller, and in the discharging process of the main battery pack, the battery replacement pack outputs alternating current or direct current through the built-in power supply controller to supplement charging for the main battery pack or supply power for other vehicle-mounted equipment. In the charging process of the main battery pack, the power supply controller can be used for supplementing and charging the battery replacing pack; the battery replacement pack can be detached and can also be used as a mobile power supply; the power supply controller is provided with an external plug, and can be charged in a vehicle-mounted or detachable state through the external power supply.
The invention has the beneficial effects that:
(1) the power supply system for the electric automobile has a bidirectional charging function, and the battery replacing battery pack can charge the main battery pack and can be recharged when the main battery pack is charged. Trade the battery package and both can dismantle to get off to mend and charge, also can on-vehicle charging, very big satisfying the convenience that whole car and trade the battery package charge.
(2) The power consumption range-extending power supply system for the electric automobile can output voltage-adjustable direct current through the power supply controller to supplement and charge a main battery pack of the whole automobile and can also output standard 220V/110V alternating current, so that various power consumption requirements of users of the whole automobile are greatly met.
(3) The power supply system for the electric automobile provided by the invention can be used as an outdoor mobile power supply on site when the battery replacement pack is detached from the whole automobile, and can output voltage-adjustable direct current and standard 220V/110V alternating current.
Drawings
FIG. 1 is an electrical schematic of the present invention;
in the figure: 1-main battery pack; 2-replacing the battery pack; 3-a power supply controller; 4-vehicle charger.
Detailed Description
An electric power range-extending power supply system for an electric automobile, comprising: the electric vehicle charging system comprises a main battery pack 1 and a battery replacing battery pack 2, wherein the main battery pack 1 is installed at a fixed position of an electric vehicle, and the battery replacing battery pack 2 is installed at a detachable position of the whole vehicle; a power supply controller 3 is arranged in the battery replacing pack 2, and the main battery pack 1 and the battery replacing pack 2 are connected through the power supply controller 3; the power controller 3 can control the battery replacement pack 3 to output alternating current or direct current.
When the fully charged battery replacement pack is charged into the electric vehicle, when the battery replacement pack receives running information of the whole vehicle, the battery replacement pack outputs direct current 2V-20V higher than the voltage of a main battery pack through a built-in power supply controller direct current terminal of the battery replacement pack to supplement charging for the main battery pack; meanwhile, the alternating current terminal of the power supply controller outputs 110V/220VAC alternating current; when the main battery pack is fully charged, the input switch is disconnected, the power supply controller disconnects the output switch, and the main battery pack is stopped being charged. When the electricity replacing battery pack is in power shortage, the electricity replacing battery pack cuts off the output switch and stops supplying electricity to the outside.
Example 2
An electric power range-extending power supply system for an electric automobile, comprising: the electric vehicle charging system comprises a main battery pack 1 and a battery replacing battery pack 2, wherein the main battery pack 1 is installed at a fixed position of the electric vehicle, and the battery replacing battery pack 2 is installed at a detachable position of the whole vehicle; a power supply controller 3 is arranged in the battery replacing pack 2, and the main battery pack 1 and the battery replacing pack 2 are connected through the power supply controller 3; the power controller 3 can control the battery replacement pack 3 to output alternating current or direct current; the main battery pack 1 is connected with the vehicle-mounted charger 4, and when the main battery pack 1 is charged, the battery replacement pack 2 can be charged through the built-in power supply controller 3.
When the vehicle-mounted charger is used, when the whole vehicle monitors that the battery replacement pack is packaged on the electric vehicle and the electric quantity of the battery replacement pack is less than or equal to 95% of SOC, the vehicle-mounted charger supplies power to the power controller, and the power controller supplies supplementary charging for the battery replacement pack. When the battery replacing battery pack is fully charged, the input switch is disconnected by the battery replacing battery pack, and charging is stopped.
Example 3
An electric power range-extending power supply system for an electric automobile, comprising: the electric vehicle charging system comprises a main battery pack 1 and a battery replacing battery pack 2, wherein the main battery pack 1 is installed at a fixed position of the electric vehicle, and the battery replacing battery pack 2 is installed at a detachable position of the whole vehicle; a power supply controller 3 is arranged in the battery replacing pack 2, and the main battery pack 1 and the battery replacing pack 2 are connected through the power supply controller 3; the power supply controller 3 can control the battery replacement pack 3 to output alternating current or direct current; the power supply controller of the battery replacing pack is provided with a power supply plug, when the battery replacing pack is in power shortage, after the battery replacing pack is detached from the electric vehicle, the mains supply is directly connected to the power supply plug, and the battery replacing pack is charged in a supplementing mode through the power supply controller. When the battery replacing battery pack is fully charged, the input switch is disconnected by the battery replacing battery pack, and charging is stopped.
Example 4
An electric power range-extending power supply system for an electric automobile comprises: the electric vehicle charging system comprises a main battery pack 1 and a battery replacing battery pack 2, wherein the main battery pack 1 is installed at a fixed position of the electric vehicle, and the battery replacing battery pack 2 is installed at a detachable position of the whole vehicle; a power supply controller 3 is arranged in the battery replacing pack 2, and the main battery pack 1 is connected with the battery replacing pack 2 through the power supply controller 3; the power controller 3 can control the battery replacement pack 3 to output alternating current or direct current. When the battery replacement pack is fully charged, 110V/220VAC alternating current is output through the alternating current terminal of the power controller. Under the condition that the battery replacement pack detects that handshake communication exists between the battery replacement pack and other battery packs, a direct-current terminal of a power supply controller in the battery replacement pack outputs direct current with voltage higher than that of the other battery packs by 2-20V and charges the direct current; and under the condition that any handshake communication is not detected, the power supply controller closes the output of the direct-current terminal of the battery replacing package.
Example 5
An electric power range-extending power supply system for an electric automobile, comprising: the electric vehicle charging system comprises a main battery pack 1 and a battery replacing battery pack 2, wherein the main battery pack 1 is installed at a fixed position of the electric vehicle, and the battery replacing battery pack 2 is installed at a detachable position of the whole vehicle; a power supply controller 3 is arranged in the battery replacing pack 2, and the main battery pack 1 and the battery replacing pack 2 are connected through the power supply controller 3; the power supply controller 3 can control the battery replacement pack 3 to output alternating current or direct current; the battery replacement pack 2 can also be recharged through the built-in power supply controller 3.
When the rechargeable battery pack is used, when a plurality of rechargeable battery packs exist, when the electric quantity of the rechargeable battery pack A is larger than or equal to 10% of SOC and the electric quantity of the rechargeable battery pack B is smaller than or equal to 95% of SOC, the rechargeable battery pack A can supplement power for the rechargeable battery pack B through the power supply controller arranged in the rechargeable battery pack B, and therefore a plurality of rechargeable battery packs with partial electric quantities can be fully charged for one rechargeable battery pack.
Claims (5)
1. An electric power range-extending power supply system for an electric automobile, characterized by comprising: a main battery pack (1) and a battery replacement pack (2); the main battery pack (1) is arranged at a fixed position of the electric automobile, and the battery replacing pack (2) is arranged at a detachable position of the whole automobile; a power supply controller (3) is arranged in the battery replacing pack (2), and the main battery pack (1) is connected with the battery replacing pack (2) through the power supply controller (3); the battery replacement pack (2) outputs alternating current or direct current through a built-in power controller (3) to supplement charging for the main battery pack (1) or supply power for other loads.
2. The power supply system for the electric automobile according to claim 1, wherein during discharging of the main battery pack (1), the battery replacement pack (2) outputs alternating current or direct current through a built-in power supply controller (3) to supplement charging of the main battery pack (1) or power supply of other vehicle-mounted equipment.
3. The power supply system for electric vehicles according to claim 1, wherein the main battery pack supplies power to the battery replacement pack through a bidirectional power supply controller built in the battery replacement pack during charging.
4. The power supply system for increasing the electricity consumption and the distance of the electric vehicle as claimed in claim 1, wherein the battery replacing pack (2) can be taken off from the whole vehicle, and outputs direct current or alternating current to supply power to other loads through the built-in power supply controller (3).
5. The power supply system for increasing the electricity consumption range of the electric automobile as claimed in claim 1 or 3, wherein when the battery replacing pack (2) is detached from the whole automobile and then connected to an external power supply, the battery replacing pack charges the battery through the built-in power supply controller (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210829488.3A CN114987227A (en) | 2022-07-15 | 2022-07-15 | Power consumption range-extending power supply system for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210829488.3A CN114987227A (en) | 2022-07-15 | 2022-07-15 | Power consumption range-extending power supply system for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114987227A true CN114987227A (en) | 2022-09-02 |
Family
ID=83021265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210829488.3A Pending CN114987227A (en) | 2022-07-15 | 2022-07-15 | Power consumption range-extending power supply system for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114987227A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116373619A (en) * | 2023-04-20 | 2023-07-04 | 一汽奔腾轿车有限公司 | New energy automobile with battery SOC monitoring function and working method thereof |
| CN116901736A (en) * | 2023-08-03 | 2023-10-20 | 广东力盾新能源科技有限公司 | Extended range electric vehicle charging system, electric vehicle and electric vehicle charging method |
| WO2025092605A1 (en) * | 2023-10-31 | 2025-05-08 | 比亚迪股份有限公司 | On-board power supply, battery system of vehicle, and vehicle |
-
2022
- 2022-07-15 CN CN202210829488.3A patent/CN114987227A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116373619A (en) * | 2023-04-20 | 2023-07-04 | 一汽奔腾轿车有限公司 | New energy automobile with battery SOC monitoring function and working method thereof |
| CN116901736A (en) * | 2023-08-03 | 2023-10-20 | 广东力盾新能源科技有限公司 | Extended range electric vehicle charging system, electric vehicle and electric vehicle charging method |
| WO2025092605A1 (en) * | 2023-10-31 | 2025-05-08 | 比亚迪股份有限公司 | On-board power supply, battery system of vehicle, and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8378623B2 (en) | Apparatus and method for charging an electric vehicle | |
| CN101752620B (en) | Vehicle-mounted lithium battery charging system | |
| CN106926718B (en) | Method and apparatus for charging a plurality of energy storage devices | |
| CN114987227A (en) | Power consumption range-extending power supply system for electric automobile | |
| US9219373B2 (en) | Lossless charger | |
| KR20120012659A (en) | Electric vehicles and method for battery charging control thereof | |
| CN214189325U (en) | Automotive charger baby system | |
| CN105790364A (en) | Electrical system of internal-combustion-engine powered vehicle and power supply method thereof | |
| CN109861331A (en) | Pure electric automobile efficient battery charge controller and its control strategy | |
| CN114132222A (en) | Hybrid power supply system for electric vehicle, control method of hybrid power supply system and electric vehicle | |
| KR20140029671A (en) | Battery pack system with cahrger and inverter for portable | |
| CN110920393B (en) | A low-voltage power supply system for an electric vehicle and a charging and discharging method for a low-voltage lithium battery | |
| CN201830015U (en) | A vehicle power supply voltage monitoring and backup battery charging and discharging control device | |
| CN114763068B (en) | Vehicle charging device system and charging method | |
| CN112721659A (en) | Energy-conserving battery energy recuperation system of new energy automobile intelligence | |
| CN211416982U (en) | Pure electric light truck high-voltage connection system | |
| CN210123907U (en) | Power supply system of motor home | |
| CN219458728U (en) | Double-voltage-class input type anti-explosion lithium ion storage battery power supply charger | |
| CN217753488U (en) | Electric automobile power consumption increases journey power | |
| CN111404237A (en) | Onboard charging controller for battery with taps and control method thereof | |
| CN202190094U (en) | Multi-Battery Pack Power Management Device | |
| CN205989664U (en) | A kind of electric car electrical system | |
| CN212258524U (en) | UPS power supply system of mobile energy storage vehicle | |
| WO2023158427A1 (en) | Electrical storage for battery electric vehicle | |
| CN102820688A (en) | Automobile power system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |