CN113752856A - Electric tractor power platform framework based on retired battery and super capacitor - Google Patents
Electric tractor power platform framework based on retired battery and super capacitor Download PDFInfo
- Publication number
- CN113752856A CN113752856A CN202010487799.7A CN202010487799A CN113752856A CN 113752856 A CN113752856 A CN 113752856A CN 202010487799 A CN202010487799 A CN 202010487799A CN 113752856 A CN113752856 A CN 113752856A
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- Prior art keywords
- retired battery
- converter
- battery pack
- retired
- super capacitor
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Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 30
- 229910001416 lithium ion Inorganic materials 0.000 claims description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims 2
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims 1
- 229910052987 metal hydride Inorganic materials 0.000 claims 1
- 238000007599 discharging Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000003912 environmental pollution Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000012271 agricultural production Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Images
Classifications
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
-
- 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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- 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
- 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
-
- 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
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- 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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
-
- 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
- Y02T10/64—Electric machine technologies in electromobility
-
- 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
-
- 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
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses an electric tractor power platform architecture based on a retired battery and a super capacitor. The retired battery pack is connected to a direct current bus through a DC/DC converter, the super capacitor is connected to the direct current bus through the DC/DC converter, the direct current bus is connected with a motor controller to drive electrodes, and the DC/DC converter and the motor controller are controlled by a main controller. The invention is used for the electric drive system of the electric tractor, and can realize the application of the retired battery on the electric tractor.
Description
Technical Field
The invention relates to a power supply system using an electric automobile retired battery, in particular to a power platform framework of an electric tractor based on a retired battery and a super capacitor.
Background
With the development and production of electric vehicles, the problems of bringing convenience for cleaning and bringing out of service batteries of electric vehicles are brought. The problem of the retired electric vehicle battery is particularly shown in that the retired battery cannot be reused on the electric vehicle, and the direct destruction can cause environmental pollution and waste of lithium battery resources. The tractor driven by the traditional diesel engine is used in the agricultural production process of the greenhouse, and the problems are represented by environmental pollution in the greenhouse, high noise, potential safety hazards in the use of the tractor in the greenhouse and the like. The electric tractor serving as a machine which uses clean energy and has small potential safety hazard can be well applied to the production process of the agricultural greenhouse. If the batteries of the electric automobile are directly used as the main energy source, the cost of the agricultural machinery is too high. To address these issues, a need exists for an electric tractor power platform architecture based on retired batteries and super capacitors.
Disclosure of Invention
The invention mainly aims to provide a power platform framework of an electric tractor based on a retired battery and a super capacitor, which can better realize the work of a recovered electric automobile battery on the electric tractor, recycle the retired battery and meet the agricultural production requirement.
The invention relates to an electric tractor power platform architecture based on retired batteries and a super capacitor. The super capacitor is used as an auxiliary energy source and is connected with the direct current bus through the DC/DC converter, and power compensation during charging and discharging work of the retired battery pack is achieved. The retired battery and the super capacitor are subjected to voltage regulation through the DC/DC converter, and the main controller completes control over the whole platform through the CAN bus.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme:
a power platform architecture of an electric tractor based on a retired battery and a super capacitor comprises a first retired battery pack, a first DC/DC converter, a second retired battery pack, a second DC/DC converter, a third retired battery pack, a third DC/DC converter, the super capacitor, a fourth DC/DC converter, a motor controller and a main controller;
the first retired battery pack, the second retired battery pack and the third retired battery pack are respectively connected with the first DC/DC converter, the second DC/DC converter and the third DC/DC converter, then are connected to the direct current bus and are connected to the motor controller through the direct current bus.
And the super capacitor is connected with the fourth DC/DC converter, then is connected to the direct current bus, and is connected to the motor controller through the direct current bus. The first DC/DC converter, the second DC/DC converter, the third DC/DC converter, the fourth DC/DC converter and the motor controller are connected to the main controller through a CAN bus.
The electric tractor power platform architecture based on the retired battery and the super capacitor has the following characteristics:
(1) and (5) secondary utilization of the electric automobile retired battery. The electric tractor is powered by the electric automobile retired battery serving as a main energy source, so that waste caused by destroying the retired electric automobile battery is reduced, and the problem of recycling of lithium battery resources is solved.
(2) And the environmental pollution is reduced. The retired lithium ion battery is recycled, so that the problem of environmental pollution caused by destruction of the lithium ion battery can be effectively reduced.
(3) The cost is low. The drive battery in the electric tractor adopts a retired battery, so that the problem that the cost of agricultural machinery is too high due to the fact that a new battery is directly adopted is solved.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
For a better understanding of the present invention, the present invention will be further described with reference to the accompanying drawings and examples, but the embodiments of the present invention are not limited thereto.
Example 1
As shown in fig. 1, an electric tractor power platform architecture based on a retired battery and a super capacitor includes a first retired battery pack 11, a first DC/DC converter 12, a second retired battery pack 9, a second DC/DC converter 10, a third retired battery pack 7, a third DC/DC converter 8, a super capacitor 1, a fourth DC/DC converter 2, a motor controller 5, and a main controller 6.
The first retired battery pack 11, the second retired battery pack 9 and the third retired battery pack 7 are composed of lithium batteries with similar performance parameters in retired electric vehicle batteries subjected to power tests. The first decommissioned battery pack 11, the second decommissioned battery pack 9 and the third decommissioned battery pack 7 are respectively connected with the first DC/DC converter 12, the second DC/DC converter 10 and the third DC/DC converter 8, then are electrically connected to the direct current bus 3, and are connected to the motor controller 5 through the direct current bus 3 to realize the driving of the motor.
After being connected with the fourth DC/DC converter 2, the super capacitor 1 is connected to the direct current bus 3 and is connected to the motor controller 5 through the direct current bus 3, so that power compensation of the first retired battery pack 11, the second retired battery pack 9 and the third retired battery pack 7 in the charging and discharging process is achieved. The first DC/DC converter 12, the second DC/DC converter 10, the third DC/DC converter 8, the fourth DC/DC converter 2 and the motor controller 5 are connected to the main controller 6 through the CAN bus 4 to realize the control of the electric tractor platform.
The working modes of the invention are as follows:
as shown in fig. 1, an electric tractor power platform architecture based on a retired battery and a super capacitor includes a first retired battery pack 11, a second retired battery pack 9, and a third retired battery pack 7, which are respectively electrically connected to a first DC/DC converter 12, a second DC/DC converter 10, and a third DC/DC converter 8, and then connected to a DC bus 3, and connected to a motor controller 5 through the DC bus 3 to realize driving of a motor.
After being connected with the fourth DC/DC converter 2, the super capacitor 1 is connected to the direct current bus 3 and is connected to the motor controller 5 through the direct current bus 3, so that power compensation of the first retired battery pack 11, the second retired battery pack 9 and the third retired battery pack 7 in the charging and discharging process is achieved. The first DC/DC converter 12, the second DC/DC converter 10, the third DC/DC converter 8, the fourth DC/DC converter 2 and the motor controller 5 are connected to the main controller 6 through the CAN bus 4 to realize the control of the electric tractor platform.
Example 2
The super capacitor of fig. 1 may also be connected according to the method of fig. 2, as shown in fig. 2. The first retired battery pack 30, the second retired battery pack 28, and the third retired battery pack 26 are respectively connected to the first DC/DC converter 31, the second DC/DC converter 29, and the third DC/DC converter 27, and then connected to the DC bus 22, and connected to the motor controller 23 through the DC bus 22 to realize driving of the motor. The super capacitor 21 is connected in parallel to the dc bus 22 to realize power compensation of the first retired battery pack 30, the second retired battery pack 28, and the third retired battery pack 26 during charging and discharging.
CAN interfaces on the first DC/DC converter 31, the second DC/DC converter 29 and the third DC/DC converter 27 are connected with a CAN bus 25, and the CAN bus 25 is connected with the main controller 24, so that the control of the charging and discharging processes of the retired battery pack is realized.
Compared with the embodiment 1, the super capacitor in the embodiment 2 is directly connected in parallel to the direct current bus, the charging and discharging power of the retired battery pack can be directly increased through the scheme, and if the charging and discharging power of the battery is required to be continuously increased, the number of the super capacitors is increased.
The specific working principle is basically the same as that of embodiment 1, and is not described herein.
Claims (4)
1. The utility model provides an electric tractor power platform framework based on retired battery and super capacitor which characterized in that: the system comprises a first retired battery pack (11), a first DC/DC converter (12), a second retired battery pack (9), a second DC/DC converter (10), a third retired battery pack (7), a third DC/DC converter (8), a super capacitor (1), a fourth DC/DC converter (2), a motor controller (5) and a main controller (6);
the first retired battery pack (11), the second retired battery pack (9) and the third retired battery pack (7) are respectively and electrically connected with the first DC/DC converter (12), the second DC/DC converter (10) and the third DC/DC converter (8), then are connected to the direct current bus (3) and are connected to the motor controller (5) through the direct current bus (3);
the super capacitor is connected with the fourth DC/DC converter (2), then is connected to the direct current bus (3), and is connected to the motor controller (5) through the direct current bus (3);
the first DC/DC converter (12), the second DC/DC converter (10), the third DC/DC converter (8), the fourth DC/DC converter (2) and the motor controller (5) are connected to the main controller (6) through a CAN bus (4).
2. The electric tractor power platform architecture based on the retired battery and the super capacitor according to claim 1, characterized in that: the retired battery pack is used as a main energy source of the electric tractor, the super capacitor is used as an auxiliary energy source of the electric tractor, and secondary utilization of the retired battery can be achieved.
3. The electric tractor power platform architecture based on the retired battery and the super capacitor according to claim 1, characterized in that: the first retired battery pack (11), the second retired battery pack (9) and the third retired battery pack (7) are respectively composed of a plurality of retired battery monomers with similar performance parameters obtained after testing and sorting, and according to the sorting condition of the performance parameters of the retired battery packs, 1 retired battery pack can be adopted, and 2 retired batteries or even a plurality of retired battery packs can be adopted.
4. The electric tractor power platform architecture based on the retired battery and the super capacitor according to claim 1, characterized in that: the ex-service battery pack can be composed of different types of ex-service battery monomers such as iron phosphate lithium ion batteries, ternary lithium ion batteries, nickel-metal hydride batteries and the like.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010487799.7A CN113752856A (en) | 2020-06-02 | 2020-06-02 | Electric tractor power platform framework based on retired battery and super capacitor |
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CN202010487799.7A CN113752856A (en) | 2020-06-02 | 2020-06-02 | Electric tractor power platform framework based on retired battery and super capacitor |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103171452A (en) * | 2013-04-09 | 2013-06-26 | 上海电机学院 | Dual-power supply management system and dual-power supply management method for electric vehicle |
AU2015100339A4 (en) * | 2014-05-29 | 2015-04-16 | Beihang University | A compound power system for an electrical vehicle |
CN207573017U (en) * | 2017-11-29 | 2018-07-03 | 上海国际汽车城(集团)有限公司 | A kind of electric power system using retired battery |
CN109038719A (en) * | 2018-07-27 | 2018-12-18 | 深圳康普盾科技股份有限公司 | Energy management circuit and method when retired battery is used in series in a kind of communication base station |
CN212473116U (en) * | 2020-06-02 | 2021-02-05 | 西南林业大学 | Electric tractor power platform based on retired battery and super capacitor |
-
2020
- 2020-06-02 CN CN202010487799.7A patent/CN113752856A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103171452A (en) * | 2013-04-09 | 2013-06-26 | 上海电机学院 | Dual-power supply management system and dual-power supply management method for electric vehicle |
AU2015100339A4 (en) * | 2014-05-29 | 2015-04-16 | Beihang University | A compound power system for an electrical vehicle |
CN207573017U (en) * | 2017-11-29 | 2018-07-03 | 上海国际汽车城(集团)有限公司 | A kind of electric power system using retired battery |
CN109038719A (en) * | 2018-07-27 | 2018-12-18 | 深圳康普盾科技股份有限公司 | Energy management circuit and method when retired battery is used in series in a kind of communication base station |
CN212473116U (en) * | 2020-06-02 | 2021-02-05 | 西南林业大学 | Electric tractor power platform based on retired battery and super capacitor |
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