CN113978268A - Split type battery system and electric tractor - Google Patents

Split type battery system and electric tractor Download PDF

Info

Publication number
CN113978268A
CN113978268A CN202111494509.2A CN202111494509A CN113978268A CN 113978268 A CN113978268 A CN 113978268A CN 202111494509 A CN202111494509 A CN 202111494509A CN 113978268 A CN113978268 A CN 113978268A
Authority
CN
China
Prior art keywords
battery pack
electric
controller
battery
air compressor
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
Application number
CN202111494509.2A
Other languages
Chinese (zh)
Inventor
姜雷
陈方明
刘吉顺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Burleton Technology Co ltd
Original Assignee
Burleton Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Burleton Technology Co ltd filed Critical Burleton Technology Co ltd
Priority to CN202111494509.2A priority Critical patent/CN113978268A/en
Publication of CN113978268A publication Critical patent/CN113978268A/en
Pending legal-status Critical Current

Links

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
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • 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
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D53/00—Tractor-trailer combinations; Road trains
    • B62D53/04—Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
    • B62D53/06—Semi-trailers
    • 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

Abstract

The invention relates to a split type battery system and an electric tractor, which relate to the technical field of electric tractors and comprise a first battery pack, a second battery pack, a first position area, a second position area, a power supply controller, a control system, a DC/DC power supply module and a power utilization device; the first battery pack and the second battery pack are connected in series, the first battery pack is arranged on the first position area, the second battery pack is arranged on the second position area, and the first position area and the second position area are arranged on different structures; the DC/DC power module and the electric device are connected in series on a circuit where the first battery pack and the second battery pack are located, the first battery pack and the second battery pack are both connected with the power controller, and the control system is connected to the power controller. The split type battery system has the advantages that the electric quantity of the electric tractor is improved, and the problem that a traction vehicle head is difficult to arrange a large-quantity battery is solved.

Description

Split type battery system and electric tractor
Technical Field
The invention relates to the technical field of electric tractors, in particular to a split type battery system and an electric tractor.
Background
At present, electric tractors are provided with batteries, but the electric tractors consume large electric power, so that the quantity and the weight of the batteries required to be carried by the electric tractors are quite large;
traditional electric traction car's battery package all installs on the tractor frame or both sides, and battery installation space is not enough, and battery configuration capacity is limited, and work continuation of the journey mileage and operating time are limited, can't satisfy electric traction car's the operation demand that lasts, and battery power low needs charge for a long time and causes electric traction car can't last work, influences work efficiency. Moreover, the tractor overall structure is compact, and battery mounted position concentration is high, and the heat dissipation wind channel of battery itself receives the restriction, and the heat of battery during operation can not in time be discharged, and it is very fast to appear the temperature rise easily, influences the battery life-span.
Therefore, how to provide a power supply system which can increase the endurance mileage of the tractor and ensure that the performance and safety of the tractor are not affected becomes a technical problem to be solved urgently.
The foregoing description is provided for general background information and is not admitted to be prior art.
Disclosure of Invention
The invention aims to provide a split type battery system and an electric tractor, wherein the split type battery system improves the electric quantity of the electric tractor, and solves the problem that a tractor head is difficult to arrange a large-electric-quantity battery.
The invention provides a split type battery system, which comprises a first battery pack, a second battery pack, a first position area, a second position area, a power controller, a control system, a DC/DC power module and a power utilization device, wherein the first battery pack is connected with the first position area; the first battery pack and the second battery pack are connected in series, the first battery pack is arranged on the first position area, the second battery pack is arranged on the second position area, and the first position area and the second position area are arranged on different structures; the DC/DC power module and the electric device are connected in series on a circuit where the first battery pack and the second battery pack are located, the first battery pack and the second battery pack are both connected with the power controller, and the control system is connected to the power controller.
Further, the power supply controller comprises a first power supply controller and a second power supply controller, and the first power supply controller and the second power supply controller are both connected with the control system.
The invention also provides an electric tractor which comprises the split type battery system.
Further, the electric tractor comprises a traction head and a trailer, and the trailer is connected with the traction head through a saddle and a connecting structure; the first position area is arranged on the tractor head, and the first battery pack is arranged on the first position area on the tractor head; the second location area is provided on the trailer, and the second battery pack is mounted on the second location area on the trailer.
Further, the power utilization device comprises a driving motor controller, a driving motor, an electric air compressor controller, an electric air compressor, a steering motor controller, a steering motor, a DC/DC converter and a vehicle-mounted storage battery; the driving motor controller is connected with the driving motor in series, and the first battery pack and the second battery pack are used for providing electric energy for the driving motor controller and the driving motor and controlling the driving motor to rotate through the driving motor controller; the electric air compressor controller is connected with the electric air compressor in series, the first battery pack and the second battery pack are used for providing electric energy for the electric air compressor controller and the electric air compressor, and the electric air compressor is controlled to move by the electric air compressor controller; the steering motor controller is connected with the steering motor in series, and the first battery pack and the second battery pack are used for providing electric energy for the steering motor controller and the steering motor and controlling the steering motor to rotate through the steering motor controller; the DC/DC converter and the vehicle-mounted storage battery are connected in series, and the first battery pack and the second battery pack charge the vehicle-mounted storage battery through the DC/DC converter.
Further, a circuit where the driving motor controller and the driving motor are located, a circuit where the electric air compressor controller and the electric air compressor are located, a circuit where the steering motor controller and the steering motor are located, and a circuit where the DC/DC converter and the vehicle-mounted storage battery are located are connected in parallel with each other.
Furthermore, the power utilization device further comprises a high-pressure heating device, an electric defrosting device, a battery water cooling device and an air conditioning device, wherein the high-pressure heating device, the electric defrosting device, the battery water cooling device and the air conditioning device are respectively connected in parallel with circuits where the first battery pack and the second battery pack are located; the first battery pack and the second battery pack are used for supplying power to the high-pressure heating device, the electric defrosting device, the battery water cooling device and the air conditioning device.
Furthermore, a pre-charging loop is arranged on a circuit between the first battery pack and the driving motor controller, and a circuit between the second battery pack and the driving motor controller; another pre-charging loop is arranged on a circuit between the first battery pack and the second battery pack and between the electric air compressor controller, the steering motor controller and the DC/DC converter; the pre-charging loop is formed by connecting a pre-charging relay, a pre-charging resistor and the positive electrode and the negative electrode of the main relay in a head-to-tail mode.
Further, a reactor is provided in a circuit between the first battery pack and the second battery pack and the drive motor controller.
Furthermore, silicon controlled contactors are arranged on circuits between the first battery pack and the second battery pack and between the electric air compressor controller, the steering motor controller and the DC/DC converter.
According to the split battery system and the electric tractor, the first battery pack and the second battery pack of the split battery system are connected in series, the first battery pack is arranged on the first position area, the second battery pack is arranged on the second position area, and the first position area and the second position area are respectively arranged on the traction head and the trailer of the electric tractor; the battery installation space is enlarged, so that the battery configuration capacity can be increased, the working endurance mileage is improved, and the continuous operation requirement of the electric tractor is met; simultaneously, set up first group battery and second group battery respectively on electric traction car's traction locomotive and trailer, the group battery is laid rationally, and group battery mounted position dispersion for the heat of group battery during operation can in time be discharged, extension battery life.
Drawings
Fig. 1 is a schematic structural diagram of a split battery system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an electric tractor of the split battery system in fig. 1.
Fig. 3 is another structural diagram of the split battery system of fig. 1.
The reference numerals and components referred to in the drawings are as follows:
1. first battery pack 2, second battery pack 3, first position region
4. Second position area 5, power supply controller 51, first power supply controller
52. Second power supply controller 6, control system 7 and DC/DC power supply module
8. Power consumption device 81, drive motor controller 82, and drive motor
83. Electric air compressor controller 84, electric air compressor 85 and steering motor controller
86. Steering motor 87, DC/DC converter 88, and vehicle-mounted battery
89. High-pressure heating device 891, electric defrosting device 892 and battery water cooling device
893. Air conditioning device 100, traction headstock 200 and trailer
300. Saddle 400, connection structure 500, pre-charging circuit
510. Pre-charge relay 520, pre-charge resistor 530, main relay
600. Reactor 700, silicon controlled contactor 800 and wire
110. First connecting seat 120 and second connecting seat
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The terms first, second, third, fourth and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Example 1
Fig. 1 is a schematic structural diagram of a split battery system according to an embodiment of the present invention. Referring to fig. 1, a split battery system according to an embodiment of the present invention includes a first battery pack 1, a second battery pack 2, a first location area 3, a second location area 4, a power controller 5, a control system 6, a DC/DC power module 7, and an electric device 8; the first battery pack 1 and the second battery pack 2 are connected in series, the first battery pack 1 is disposed on a first position area 3, the second battery pack 2 is disposed on a second position area 4, and the first position area 3 and the second position area 4 are disposed on different structures; the circuit where the first battery pack 1 and the second battery pack 2 are located is connected in series with a DC/DC power supply module 7 and an electric device 8, the first battery pack 1 and the second battery pack 2 are both connected with a power supply controller 5, and the power supply controller 5 is connected with a control system 6.
Further, the power controller 5 includes a first power controller 51 and a second power controller 52, and both the first power controller 51 and the second power controller 52 are connected to the control system 6. It should be noted that the first battery pack 1 is controlled by the first power controller 51, and the second battery pack 2 is controlled by the second power controller 52; thereby improving the accuracy of control.
Fig. 2 is a schematic structural diagram of an electric tractor of the split battery system in fig. 1. Referring to fig. 2, an embodiment of the present invention further provides an electric tractor, including the above-mentioned split battery system; the electric tractor comprises a tractor head 100 and a trailer 200, wherein the trailer 200 is connected with the tractor head 100 through a saddle 300 and a connecting structure 400; the first position area 3 is arranged on the tractor head 100, and the first battery pack 1 is arranged on the first position area 3 on the tractor head 100; the second location area 4 is arranged on the trailer 200, and the second battery pack 2 is mounted on the second location area 4 on the trailer 200.
It should be noted that, a first battery pack 1 and a second battery pack 2 of the split battery system are connected in series, the first battery pack 1 is disposed on a first position area 3, the second battery pack 2 is disposed on a second position area 4, and the first position area 3 and the second position area 4 are respectively disposed on a tractor head 100 and a trailer 200 of an electric tractor; the battery installation space is enlarged, so that the battery configuration capacity can be increased, the working endurance mileage is improved, and the continuous operation requirement of the electric tractor is met; meanwhile, the first battery pack 1 and the second battery pack 2 are respectively arranged on the traction vehicle head 100 and the trailer 200 of the electric tractor, the battery packs are reasonably arranged, and the installation positions of the battery packs are dispersed, so that heat generated during the operation of the battery packs can be timely discharged, and the service life of the battery is prolonged.
With further reference to fig. 2, the first battery pack 1 is mounted on the side of the tractor 100 away from the ground by a first connecting base 110, and the second battery pack 2 is mounted on the side of the trailer 200 away from the ground by a second connecting base 120; the first battery pack 1 and the second battery pack 2 are far away from the ground, so that the muddy water on the ground and other obstacles cannot pollute and damage the battery packs in the driving process of the electric tractor, and the service lives of the first battery pack 1 and the second battery pack 2 are prolonged.
Fig. 3 is another structural diagram of the split battery system of fig. 1. Referring to fig. 3, the power utilization apparatus 8 according to the embodiment of the present invention includes a driving motor controller 81, a driving motor 82, an electric air compressor controller 83, an electric air compressor 84, a steering motor controller 85, a steering motor 86, a DC/DC converter 87, and a vehicle-mounted battery 88; the driving motor controller 81 and the driving motor 82 are connected in series, the first battery pack 1 and the second battery pack 2 are used for providing electric energy for the driving motor controller 81 and the driving motor 82, and the driving motor 82 is controlled to rotate by the driving motor controller 81; the electric air compressor controller 83 is connected with the electric air compressor 84 in series, the first battery pack 1 and the second battery pack 2 are used for providing electric energy for the electric air compressor controller 83 and the electric air compressor 84, and the electric air compressor 84 is controlled to move through the electric air compressor controller 83; the steering motor controller 85 and the steering motor 86 are connected in series, the first battery pack 1 and the second battery pack 2 are used for providing electric energy for the steering motor controller 85 and the steering motor 86, and the steering motor 86 is controlled to rotate by the steering motor controller 85; the DC/DC converter 87 and the vehicle-mounted battery 88 are connected in series, and the first battery pack 1 and the second battery pack 2 charge the vehicle-mounted battery 88 through the DC/DC converter 87. The circuits in which the drive motor controller 81 and the drive motor 82 are located, the circuits in which the electric air compressor controller 83 and the electric air compressor 84 are located, the circuits in which the steering motor controller 85 and the steering motor 86 are located, and the circuits in which the DC/DC converter 87 and the vehicle-mounted battery 88 are located are connected in parallel with each other.
With further reference to fig. 3, the electric device 8 according to the embodiment of the present invention further includes a high-pressure heating device 89, an electric defrosting device 891, a battery water cooling device 892, and an air conditioning device 893, wherein the high-pressure heating device 89, the electric defrosting device 891, the battery water cooling device 892, and the air conditioning device 893 are respectively connected in parallel with a circuit where the first battery pack 1 and the second battery pack 2 are located; the first battery pack 1 and the second battery pack 2 are used for supplying power to the high-pressure heating device 89, the electric defrosting device 891, the battery water cooling device 892 and the air conditioning device 893.
With further reference to fig. 3, a pre-charge circuit 500 is provided on the circuit between the first and second battery packs 1 and 2 and the drive motor controller 81; another pre-charging loop 500 is arranged on the circuit between the first battery pack 1 and the second battery pack 2 and the electric air compressor controller 83, the steering motor controller 85 and the DC/DC converter 87; the pre-charging circuit 500 is formed by connecting the positive and negative poles of a pre-charging relay 510, a pre-charging resistor 520 and a main relay 530 end to end. It should be noted that, at the moment of turning on the power supply, since the voltage across the capacitor of the energy storage element on the dc bus is zero, a large impact current is generated, the voltage drop of the power supply is increased, interference to the power grid is formed, and the charging current of the capacitor can be reduced through the pre-charging loop 500.
Referring further to fig. 3, a reactor 600 is provided in a circuit between first battery pack 1 and second battery pack 2 and drive motor controller 81. Specifically, the reactor 600 is mainly used to limit a short-circuit current.
Referring further to fig. 3, a thyristor contactor 700 is provided in the circuit between the first battery pack 1 and the second battery pack 2 and the electric air compressor controller 83, the steering motor controller 85, and the DC/DC converter 87. The thyristor contactor 700 not only can switch on and off the circuit, but also has a low voltage discharge protection function.
Based on the above description, the present invention has the following advantages:
1. according to the split battery system and the electric tractor, the first battery pack and the second battery pack of the split battery system are connected in series, the first battery pack is arranged on the first position area, the second battery pack is arranged on the second position area, and the first position area and the second position area are respectively arranged on the traction head and the trailer of the electric tractor; the battery installation space is enlarged, so that the battery configuration capacity can be increased, the working endurance mileage is improved, and the continuous operation requirement of the electric tractor is met; simultaneously, set up first group battery and second group battery respectively on electric traction car's traction locomotive and trailer, the group battery is laid rationally, and group battery mounted position dispersion for the heat of group battery during operation can in time be discharged, extension battery life.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. A split battery system is characterized by comprising a first battery pack (1), a second battery pack (2), a first position region (3), a second position region (4), a power controller (5), a control system (6), a DC/DC power module (7) and an electric device (8); the first battery pack (1) and the second battery pack (2) are connected in series, the first battery pack (1) is arranged on the first location area (3), the second battery pack (2) is arranged on the second location area (4), and the first location area (3) and the second location area (4) are arranged on different structures; the circuit where the first battery pack (1) and the second battery pack (2) are located is connected with the DC/DC power supply module (7) and the power utilization device (8) in series, the first battery pack (1) and the second battery pack (2) are both connected with the power supply controller (5), and the control system (6) is connected to the power supply controller (5).
2. The split battery system according to claim 1, wherein the power controller (5) comprises a first power controller (51) and a second power controller (52), and the first power controller (51) and the second power controller (52) are both connected to the control system (6).
3. An electric tractor characterized by comprising the split battery system described in claim 1 or 2.
4. The electric tractor according to claim 3, characterized in that it comprises a tractor head (100) and a trailer (200), the trailer (200) being connected to the tractor head (100) by means of a saddle (300) and a connecting structure (400); the first position area (3) is arranged on the tractor head (100), and the first battery pack (1) is arranged on the first position area (3) on the tractor head (100); the second location area (4) is arranged on the trailer (200), and the second battery pack (2) is mounted on the second location area (4) on the trailer (200).
5. The electric tractor according to claim 3, characterized in that the electricity utilization device (8) comprises a drive motor controller (81), a drive motor (82), an electric air compressor controller (83), an electric air compressor (84), a steering motor controller (85), a steering motor (86), a DC/DC converter (87) and an on-board battery (88); the driving motor controller (81) is connected with the driving motor (82) in series, the first battery pack (1) and the second battery pack (2) are used for providing electric energy for the driving motor controller (81) and the driving motor (82), and the driving motor (82) is controlled to rotate through the driving motor controller (81); the electric air compressor controller (83) and the electric air compressor (84) are connected in series, the first battery pack (1) and the second battery pack (2) are used for providing electric energy for the electric air compressor controller (83) and the electric air compressor (84), and the electric air compressor (84) is controlled to move through the electric air compressor controller (83); the steering motor controller (85) and the steering motor (86) are connected in series, the first battery pack (1) and the second battery pack (2) are used for providing electric energy for the steering motor controller (85) and the steering motor (86), and the steering motor (86) is controlled to rotate through the steering motor controller (85); the DC/DC converter (87) and the vehicle-mounted battery (88) are connected in series, and the first battery pack (1) and the second battery pack (2) charge the vehicle-mounted battery (88) through the DC/DC converter (87).
6. The electric tractor according to claim 5, characterized in that the electric circuits of the drive motor controller (81) and the drive motor (82), the electric circuits of the electric air compressor controller (83) and the electric air compressor (84), the electric circuits of the steering motor controller (85) and the steering motor (86), and the electric circuits of the DC/DC converter (87) and the on-board battery (88) are connected in parallel with each other.
7. The electric tractor according to claim 5, characterized in that the electricity utilization device (8) further comprises a high-pressure heating device (89), an electric defrosting device (891), a battery water cooling device (892) and an air conditioning device (893), the high-pressure heating device (89), the electric defrosting device (891), the battery water cooling device (892) and the air conditioning device (893) being connected in parallel with a circuit in which the first battery pack (1) and the second battery pack (2) are located, respectively; the first battery pack (1) and the second battery pack (2) are used for supplying power to the high-pressure heating device (89), the electric defrosting device (891), the battery water cooling device (892) and the air conditioning device (893).
8. The electric tractor according to claim 7, characterized in that a pre-charging circuit (500) is provided on the electric circuit between the first battery pack (1) and the second battery pack (2) and the drive motor controller (81); another pre-charging loop (500) is arranged on a circuit between the first battery pack (1) and the second battery pack (2) and the electric air compressor controller (83), the steering motor controller (85) and the DC/DC converter (87); the pre-charging loop (500) is formed by connecting a pre-charging relay (510), a pre-charging resistor (520) and a main relay (530) in a positive-negative end-to-end manner.
9. The dual-source overhead line circuit control system according to claim 3, wherein a reactor (600) is provided in a circuit between the first battery pack (1) and the second battery pack (2) and the drive motor controller (81).
10. The dual-source overhead line circuit control system according to claim 1, wherein a thyristor contactor (700) is provided on a circuit between the first battery pack (1) and the second battery pack (2) and the electric air compressor controller (83), the steering motor controller (85), and the DC/DC converter (87).
CN202111494509.2A 2021-12-08 2021-12-08 Split type battery system and electric tractor Pending CN113978268A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111494509.2A CN113978268A (en) 2021-12-08 2021-12-08 Split type battery system and electric tractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111494509.2A CN113978268A (en) 2021-12-08 2021-12-08 Split type battery system and electric tractor

Publications (1)

Publication Number Publication Date
CN113978268A true CN113978268A (en) 2022-01-28

Family

ID=79733552

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111494509.2A Pending CN113978268A (en) 2021-12-08 2021-12-08 Split type battery system and electric tractor

Country Status (1)

Country Link
CN (1) CN113978268A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108544977A (en) * 2018-06-28 2018-09-18 江铃汽车股份有限公司 Power mode design scheme is changed in a kind of pure electric vehicle tractor and semitrailer combination
CN208760404U (en) * 2018-07-11 2019-04-19 赵彬 A kind of axle load matching electrically propelled traction vehicle
CN109895759A (en) * 2017-12-08 2019-06-18 郑州宇通客车股份有限公司 A kind of hybrid vehicle and its integrated form controller
CN110562051A (en) * 2019-09-10 2019-12-13 海通科创(深圳)有限公司 Power supply system and control method of electric tractor
EP3862205A1 (en) * 2020-02-04 2021-08-11 MAN Truck & Bus SE Battery-operated semi-trailer motor vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109895759A (en) * 2017-12-08 2019-06-18 郑州宇通客车股份有限公司 A kind of hybrid vehicle and its integrated form controller
CN108544977A (en) * 2018-06-28 2018-09-18 江铃汽车股份有限公司 Power mode design scheme is changed in a kind of pure electric vehicle tractor and semitrailer combination
CN208760404U (en) * 2018-07-11 2019-04-19 赵彬 A kind of axle load matching electrically propelled traction vehicle
CN110562051A (en) * 2019-09-10 2019-12-13 海通科创(深圳)有限公司 Power supply system and control method of electric tractor
EP3862205A1 (en) * 2020-02-04 2021-08-11 MAN Truck & Bus SE Battery-operated semi-trailer motor vehicle

Similar Documents

Publication Publication Date Title
CN104340082B (en) Fuel cell vehicle
US10286805B2 (en) Hybrid energy storage module system
JP5452371B2 (en) Railway vehicle drive system
US20140184159A1 (en) Hybrid storage cell, vehicle and power storage unit employing same, smart grid vehicle system employing vehicle, and power supply network system employing power storage unit
US20140184142A1 (en) Battery charging device for motor vehicle
KR20110109801A (en) Power source apparatus and car with the same
CN207631011U (en) A kind of vehicle-mounted methanol fuel cell management system
JP2021529497A (en) Hybrid energy storage module system with auxiliary battery
CN104507735A (en) Work vehicle
CN201646423U (en) Environmentally friendly electric vehicle
CN202783025U (en) Multifunctional distributing box with controller area network (CAN) bus port
WO2021189805A1 (en) Tractor power supply system
CN103434411B (en) A kind of recovery system of online charging type electric vehicle braking energy
CN214189325U (en) Automotive charger baby system
CN113978268A (en) Split type battery system and electric tractor
CN111002842A (en) Method for matching different batteries, control method applied to vehicle and battery pack
CN110356253A (en) A kind of off-highway rigid dumper electric-control system of pure electric vehicle
CN113352952B (en) Power control integration method and system for hydrogen-electricity hybrid electric vehicle
CN201961165U (en) Electric vehicle
CN114633708A (en) Pure electric alternating-current transmission system
KR20110041881A (en) Power supply system for non contact electromagnetic inductive charging of electric vehicle
CN212979897U (en) New forms of energy electric automobile power battery system
JP2002010410A (en) Electrical system for automobile
CN111211590A (en) Vehicle, composite power supply system and energy management method thereof
CN113879138B (en) Dual-source overhead line circuit control system and electric tractor

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
CB02 Change of applicant information

Address after: Room 208, Floor 2, Building 3, No. 168, Shennan Road, Minhang District, Shanghai, 201108

Applicant after: Bureton Technology Co.,Ltd.

Address before: 201100 room g68, 3 / F, building 6, 4299 Jindu Road, Minhang District, Shanghai

Applicant before: Burleton Technology Co.,Ltd.

CB02 Change of applicant information