CN211106986U - Novel three-motor pure electric loader drive control system - Google Patents
Novel three-motor pure electric loader drive control system Download PDFInfo
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- CN211106986U CN211106986U CN201922126881.2U CN201922126881U CN211106986U CN 211106986 U CN211106986 U CN 211106986U CN 201922126881 U CN201922126881 U CN 201922126881U CN 211106986 U CN211106986 U CN 211106986U
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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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- 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
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Abstract
The utility model discloses a novel pure electric loader drive control system of three motors. The VCU of the vehicle controller is electrically connected with the motor controller I, the motor controller II, the HCU and the BMS; the motor controller I is connected with a traveling motor I, the traveling motor I drives a front transmission shaft through an AMT gearbox I, and the front transmission shaft drives front wheels; the motor controller II is connected with a traveling motor II, the traveling motor II drives a rear transmission shaft through an AMT gearbox II, and the rear transmission shaft drives a rear wheel; the hydraulic controller HCU is connected with a motor controller III, the motor controller III is connected with a hydraulic motor, the hydraulic motor drives a hydraulic pump, and the hydraulic pump provides power for a hydraulic system; and the power battery controller BMS is connected with the power battery pack. The utility model discloses an independent electric drive traveling system, electric drive hydraulic system can realize infinitely variable, shift gears easily, and power is powerful, hydraulic system can provide stable, the powerful drive power of efficient.
Description
Technical Field
The utility model relates to a scraper engineering machine tool vehicle technical field, concretely relates to electricelectric moves loader.
Background
The loader is used for loading, unloading, pushing, construction and other operations of bulk materials such as soil, gravel, coal and the like, and is widely applied to various construction places. At present, a great deal of wheel loader drive control systems adopt power for an internal combustion engine, and a transmission device adopts hydraulic transmission and mainly comprises an engine, a torque converter, a power shifting transmission, a transmission shaft, a drive axle and the like. The technology of the power transmission system in the mode is mature, and the engine is mainly a diesel engine.
The disadvantages are that:
the engine has large fuel consumption, energy waste and environmental pollution. The hydraulic torque converter has low transmission efficiency, and the average efficiency is only about 30 percent in general work; the power shifting transmission used by the loader is a multi-gear transmission which generally comprises three forward gears and three backward gears or four forward gears and four backward gears; the transmission is shifted by adopting hydraulic manual operation, and the friction clutches and the brakes are shifted, so that the structure is complex, the manufacturing cost is high, and the maintenance is difficult.
Disclosure of Invention
In order to solve the technical problem existing in the prior art, the utility model provides a novel pure electric loader drive control system of three motors.
The utility model discloses a following technical scheme realizes: a three-motor novel pure electric loader driving control system is characterized in that a vehicle control unit VCU is electrically connected with a motor controller I, a motor controller II, a hydraulic controller HCU and a power battery controller BMS; the motor controller I is connected with a traveling motor I in a control mode, the traveling motor I drives a front transmission shaft through an AMT gearbox I, and the front transmission shaft drives front wheels; the motor controller II is connected with a traveling motor II in a control mode, the traveling motor II drives a rear transmission shaft through an AMT gearbox II, and the rear transmission shaft drives a rear wheel; the hydraulic controller HCU is connected with a motor controller III, the motor controller III is connected with a hydraulic motor in a control mode, the hydraulic motor drives a hydraulic pump, and the hydraulic pump provides power for a hydraulic system of the loader; and the power battery controller BMS controls and is connected with a power battery pack, and the power battery pack provides electric power for the walking motor I, the walking motor II and the walking motor III.
It further comprises the following steps: the vehicle controller VCU is communicated with the motor controller III and the power battery controller BMS through a vehicle CAN bus; the VCU of the vehicle controller is communicated with the motor controller I and the motor controller II, and the motor controller III is communicated with the motor controller III by adopting power CAN buses; the CAN bus communication is also connected with an instrument display device.
The power battery pack is formed by connecting a plurality of power battery packs in series or in parallel; the power battery pack is a high-voltage battery pack formed by combining a plurality of single-core batteries.
The power battery pack is arranged at the tail part of the loader body in a bracket type integral mode; the tail part of the loader body adopts a portal structure and is provided with a protective door, and the power battery pack is arranged in the protective door by adopting a sliding fork.
The traveling motor I and the AMT gearbox I are integrated into a whole; and the walking motor II and the AMT gearbox II are integrated into a whole.
The AMT gearbox I and the AMT gearbox II adopt gearboxes containing a plurality of gears and speed ratios.
After the hydraulic controller HCU receives a driver operation demand signal, the hydraulic controller HCU sends an instruction to the motor controller III to drive the hydraulic motor to ensure the idle running of the steering demand; and then, after the hydraulic controller HCU receives a driver operation signal, the hydraulic controller HCU sends an instruction to the motor controller III to drive the hydraulic motor to output the rotating speed and the torque as required.
Compared with the prior art, the beneficial effects of the utility model are that: the independent electric drive walking system and the electric drive hydraulic system are adopted, stepless speed change and easy gear shifting can be realized, the power is strong, and the hydraulic system can provide stable and efficient strong driving force, so that the defects of the conventional loader are overcome; the electric energy is used as energy, the motor is driven, the noise is low, the pollution is avoided, and the use cost can be saved by more than 50% according to theoretical calculation.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below.
Fig. 1 is a schematic view of a drive control system of an electric loader according to an embodiment of the present invention;
figure 2 is the assembly schematic diagram provided by the utility model
FIG. 3 is a control diagram of an electrical appliance according to the present invention;
in the figure: 1. a power battery pack; 2. a power battery controller BMS; 3. a vehicle control unit VCU; 4. a hydraulic controller HCU; 5. a motor controller I; 6. a traveling motor I; 7. an AMT gearbox I; 8. a front drive shaft; 9. a front wheel; 10. a motor controller II; 11. a traveling motor II; 12. an AMT gearbox II; 13. a rear drive shaft; 14 rear wheels; 15. a motor controller III; 16. a hydraulic motor; 17. a hydraulic pump.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the vehicle control unit VCU3 is electrically connected to the motor controller i 5, the motor controller ii 10, the hydraulic controller HCU4, and the power battery controller BMS 2. The I5 control of motor controller connects walking motor I6, and walking motor I6 passes through AMT gearbox I7 and drives preceding transmission shaft 8, and preceding transmission shaft 8 drives front wheel 9. The motor controller II 10 is connected with a traveling motor II 11 in a control mode, the traveling motor II 11 drives a rear transmission shaft 13 through an AMT gearbox II 12, and the rear transmission shaft 13 drives a rear wheel 14. The hydraulic controller HCU4 is connected with the motor controller III 15, the motor controller III 15 is connected with the hydraulic motor 16 in a control mode, the hydraulic motor 16 drives the hydraulic pump 17, and the hydraulic pump 17 provides power for a hydraulic system of the loader. The power battery controller BMS2 controls and connects power battery group 1, and power battery group 1 provides electric power for walking motor I6, walking motor II 10, walking motor III 15 and whole car.
Referring to fig. 3, a vehicle controller VCU communicates with a motor controller iii and a power battery controller BMS through a vehicle CAN bus; the VCU of the vehicle controller is communicated with the motor controller I and the motor controller II, and the motor controller III is communicated with the motor controller III by adopting power CAN buses; the bus communication mode is adopted, the transmission efficiency is high, the system response is fast, the data is accurate, and the wiring is simple and convenient. The CAN bus communication is also connected with an instrument display device.
Preferably: the power battery pack is formed by connecting a plurality of power battery packs in series or in parallel; the power battery pack is a high-voltage battery pack formed by combining a plurality of single-core batteries. The power battery pack is arranged at the tail part of the loader body, namely the counterweight position of the original loader, in a bracket type integral mode; the weight of the battery can replace the counter weight at the rear end of the original loader, so that the working time of one-time charging is prolonged. The tail part of the loader body adopts a portal structure and is provided with a protective door, and the power battery pack is arranged in the protective door by adopting a sliding fork. The power battery pack is rapidly inserted and replaced through the sliding fork, the cost of the power battery pack of the whole vehicle is reduced, and the working efficiency of the whole vehicle is improved. And the motor controller II is arranged above the power battery pack so as to facilitate maintenance, water prevention and the like.
Preferably: traveling motor I and AMT gearbox I are integrated as an organic whole according to actual function development, through shock-absorbing support, install on the preceding frame of loader. The walking motor II and the AMT gearbox II are integrated into a whole according to actual function development, and are installed on a rear frame of the loader through a damping support. The AMT gearbox I and the AMT gearbox II have the same high and low gears, and the high and low gear transmission is multi-stage gear transmission, so that the transmission ratio range of the transmission is enlarged, the transmission is matched with a high-speed motor, and the requirements of complex working conditions and transition of a loader are met. The stepless speed regulation function of the traveling motor I and the traveling motor II is adopted to replace a multi-gear transmission, the traveling motor I and the traveling motor II can also realize forward and reverse rotation, so that a gearbox can not have reverse gear, meanwhile, the front wheels and the rear wheels are respectively driven by different motors, and the motors are matched with corresponding output according to different torque and rotating speed requirements of the front wheels and the rear wheels.
Preferably: after the hydraulic controller HCU receives a driver operation demand signal, the hydraulic controller HCU sends an instruction to the motor controller III to drive the hydraulic motor to ensure the idle running of the steering demand; if the signal is not received, the hydraulic motor does not work, so that the energy loss of the loader in a hot vehicle or parking standby state can be effectively solved. And then, after the hydraulic controller HCU receives a driver operation signal, the hydraulic controller HCU sends an instruction to the motor controller III to drive the hydraulic motor to output rotating speed and torque according to the requirement, and the double requirements of work and steering in a hydraulic system of the loader are met. The hydraulic system of the loader includes a bucket/boom working system, a steering assist system, and an oil tank, and the selection, installation, and control of the hydraulic system are all common knowledge and conventional technical means in the field, and the details of the embodiment are not repeated.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. A three-motor novel pure electric loader driving control system,
the method is characterized in that:
the VCU of the vehicle controller is electrically connected with the motor controller I, the motor controller II, the HCU and the BMS;
the motor controller I is connected with a traveling motor I in a control mode, the traveling motor I drives a front transmission shaft through an AMT gearbox I, and the front transmission shaft drives front wheels;
the motor controller II is connected with a traveling motor II in a control mode, the traveling motor II drives a rear transmission shaft through an AMT gearbox II, and the rear transmission shaft drives a rear wheel;
the hydraulic controller HCU is connected with a motor controller III, the motor controller III is connected with a hydraulic motor in a control mode, the hydraulic motor drives a hydraulic pump, and the hydraulic pump provides power for a hydraulic system of the loader;
and the power battery controller BMS controls and is connected with a power battery pack, and the power battery pack provides electric power for the walking motor I, the walking motor II and the walking motor III.
2. The drive control system of the three-motor novel pure electric loader according to claim 1, characterized in that: the vehicle controller VCU is communicated with the motor controller III and the power battery controller BMS through a vehicle CAN bus; the VCU of the vehicle controller is communicated with the motor controller I and the motor controller II, and the motor controller III is communicated with the motor controller III by adopting power CAN buses; the CAN bus communication is also connected with an instrument display device.
3. The drive control system of the three-motor novel pure electric loader according to claim 1, characterized in that: the power battery pack is formed by connecting a plurality of power battery packs in series or in parallel; the power battery pack is a high-voltage battery pack formed by combining a plurality of single-core batteries.
4. The drive control system of the three-motor novel pure electric loader according to claim 1, characterized in that: the power battery pack is arranged at the tail part of the loader body in a bracket type integral mode; the tail part of the loader body adopts a portal structure and is provided with a protective door, and the power battery pack is arranged in the protective door by adopting a sliding fork.
5. The drive control system of the three-motor novel pure electric loader according to claim 1, characterized in that: the traveling motor I and the AMT gearbox I are integrated into a whole; and the walking motor II and the AMT gearbox II are integrated into a whole.
6. The drive control system of the three-motor novel pure electric loader according to claim 1, characterized in that: the AMT gearbox I and the AMT gearbox II adopt gearboxes containing a plurality of gears and speed ratios.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201922126881.2U CN211106986U (en) | 2019-12-03 | 2019-12-03 | Novel three-motor pure electric loader drive control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922126881.2U CN211106986U (en) | 2019-12-03 | 2019-12-03 | Novel three-motor pure electric loader drive control system |
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| CN211106986U true CN211106986U (en) | 2020-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816296A (en) * | 2019-12-03 | 2020-02-21 | 徐工集团工程机械股份有限公司科技分公司 | Three-motor novel pure electric loader drive control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816296A (en) * | 2019-12-03 | 2020-02-21 | 徐工集团工程机械股份有限公司科技分公司 | Three-motor novel pure electric loader drive control system |
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