CN109910870A - A kind of hybrid power system and control method of heavy truck - Google Patents
A kind of hybrid power system and control method of heavy truck Download PDFInfo
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- CN109910870A CN109910870A CN201910170312.XA CN201910170312A CN109910870A CN 109910870 A CN109910870 A CN 109910870A CN 201910170312 A CN201910170312 A CN 201910170312A CN 109910870 A CN109910870 A CN 109910870A
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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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- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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Abstract
The present invention relates to new energy commercial vehicle technical fields, and in particular to a kind of hybrid power system and control method of heavy truck, including power module, entire car controller module, speed-variable module, engine and generator motor；The power module includes power supervisor and battery, and the power supervisor and battery are electrically connected；The power supervisor is electrically connected with entire car controller module, speed-variable module, engine and generator motor respectively；The entire car controller module is electrically connected with speed-variable module and engine respectively；The speed-variable module includes first clutch, second clutch and gearbox, and the engine is connect by first clutch with gearbox；The engine includes flywheel, has gear on the generator motor；By the present invention in that can both make generator use with generator motor, but also as the motor device that motor uses, the reduction of motor volume can be realized, and when braking, realize kinetic energy recycling.
Description
Technical field
The present invention relates to new energy commercial vehicle technical fields, and in particular to a kind of hybrid power system of heavy truck and
Control method.
Background technique
Since increasingly strict discharge gas regulation and vehicle owner reduce the demand of operating cost, about motor vehicles
Fuel consumption and pollutant emission increasingly higher demands have been made to the motor vehicles, while it is expected realize to a high degree
Driver comfort.In order to realize the purpose, known from practice to be automatically stopped/starting device to motor vehicles outfit, by
Yu Qi, internal combustion engine automatically can deactivate and start under predetermined state.Therefore, the internal combustion engine such as (example when not needing driving force
Such as, when stopping at traffic lights) automatically deactivate.Once needing driving force again, that is, when traffic lights becomes " green " and driver's operation
When accelerator pedal, vehicle is restarted by means of motor, and the fuel consumption of vehicle can be reduced by this method.
Currently, it is existing have mixed dynamic heavy truck from heavy, the raw effect of mixed movable property is not fairly obvious, energy conservation
Emission reduction effect is unobvious.
Summary of the invention
It is become apparent from the technical problems to be solved by the present invention are: providing a kind of effects of energy saving and emission reduction, while structure is simpler
Heavy truck hybrid power system and control method.
In order to solve the above-mentioned technical problem, a kind of technical solution that the present invention uses are as follows:
A kind of hybrid power system of heavy truck, including power module, entire car controller module, speed-variable module, engine and
Generator motor；
The power module includes power supervisor and battery, and the power supervisor and battery are electrically connected；The electricity
There is inverter assembly in source manager；
The power supervisor is electrically connected with entire car controller module, speed-variable module, engine and generator motor respectively；Institute
Entire car controller module is stated to be electrically connected with speed-variable module and engine respectively；
The speed-variable module includes first clutch, second clutch and gearbox, the engine by first clutch with
Gearbox connection；
The engine includes flywheel, has on the generator motor and leads to flywheel meshed gears, the generator motor
Second clutch is crossed to connect with flywheel, gearbox respectively.
In order to solve the above-mentioned technical problem, the another technical solution that the present invention uses are as follows:
A kind of control method of the hybrid power system using above-mentioned heavy truck, the entire car controller module pass through power supply
Manager obtains battery information and judges, comprising:
When starting, when electricity abundance, driven by generator motor；When not enough power supply, by engine driving；
When engine needs to start, by generator motor by first clutch drive electricity generation and electromotion arbor on gear with
Flywheel engagement, drives flywheel turns to start engine；
When vehicle needs to promote delivery efficiency, when electricity abundance, engine, generator motor pass through driving；When not enough power supply,
By engine driving；
When vehicle is in steady operating condition, when electricity abundance, by generator motor and/or engine driving；
When vehicle is in when idle, when electricity abundance, driven by generator motor；
When vehicle is in braking, generator motor is in generating state, is cooperated by second clutch and speed changer, by vehicle
Kinetic energy by gearbox, second clutch drive generator motor generate electricity；
When the not enough power supply, when vehicle be in steady operating condition when and when vehicle be in when idle, pass through engine
It is driven, while generator motor being driven to generate electricity.
The beneficial effects of the present invention are: by using generator motor, it can both make generator use, but also as electricity
The motor device that motivation uses can be realized the reduction of motor volume, lower the weight of vehicle, and can be situations such as braking
Under, can be driven by gearbox generator motor carry out can absorption, while passing through the inverter in power supervisor
Component can be realized kinetic energy recycling；By the engine and generator motor respectively by first clutch and second from
The setting of clutch can be realized power input, can be realized pure electrician's condition traveling, engine direct drives cooperation motor power-assisted and
The functions such as energy regenerating；By generator motor, overall structure can be simplified, need to send out while without being driven in hybrid dynamic system
Motor is existed simultaneously with motor, is provided startup function by generator motor for engine, is simplified engine structure, further
Lower oil consumption；When passing through work, engine is in a comparatively stable case, frequent oil supply and oil-break is avoided to cause
The problems such as engine life shortens, and fuel burning is not thorough, increases the discharge of solid particulate matter.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the hybrid power system of heavy truck of the specific embodiment of the invention；
Fig. 2 is a kind of heavy truck structure schematic diagram of the specific embodiment of the invention；
Fig. 3 is a kind of chassis structure schematic diagram of heavy truck of the specific embodiment of the invention；
Label declaration: 1, battery.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
Please refer to Fig. 1, a kind of hybrid power system of heavy truck, including power module, entire car controller module, speed change
Module, engine and generator motor；
The power module includes power supervisor and battery 1, and the power supervisor and battery are electrically connected；The electricity
There is inverter assembly in source manager；
The power supervisor is electrically connected with entire car controller module, speed-variable module, engine and generator motor respectively；Institute
Entire car controller module is stated to be electrically connected with speed-variable module and engine respectively；
The speed-variable module includes first clutch, second clutch and gearbox, the engine by first clutch with
Gearbox connection；
The engine includes flywheel, has on the generator motor and leads to flywheel meshed gears, the generator motor
Second clutch is crossed to connect with flywheel, gearbox respectively.
As can be seen from the above description, the beneficial effects of the present invention are: by using generator motor, it can both make generator
It uses, but also as the motor device that motor uses, can be realized the reduction of motor volume, lower the weight of vehicle, and
Can when braking, can be driven by gearbox generator motor carry out can absorption, while by power supply
Inverter assembly in manager can be realized kinetic energy recycling；By the engine and generator motor respectively by the
The setting of one clutch and second clutch can be realized power input, can be realized pure electrician's condition traveling, engine direct drive is matched
Close the functions such as motor power-assisted and energy regenerating；By generator motor, overall structure can be simplified, without the mixed dynamic system of transmission
It needs generator to exist simultaneously with motor while in system, provides startup function by generator motor for engine, simplify
Engine structure further lowers oil consumption；When passing through work, engine is in a comparatively stable case, avoids frequency
The problems such as numerous oil supply and oil-break causes engine life to shorten, and fuel burning is not thorough, and increases the discharge of solid particulate matter.
It further, further include refrigerating module, the refrigerating module includes air-cooled component, water cooling component, temperature controller
And sensor, the temperature controller and sensor are electrically connected；
Temperature sensor is respectively arranged on the engine, generator motor, gearbox and battery；
The air-cooled component includes blower, general pipeline and is in charge of, and is set on the engine, generator motor, gearbox and battery
Be equipped with and be in charge of, it is described be in charge of be connected to general pipeline, it is described be in charge of between general pipeline be provided with flow valve；The blower is located at general pipeline
It is interior, there is filter screen on the inlet end of the general pipeline；
The water cooling component includes heat dissipation tank, heat exchanging pipe and is separately positioned on engine, generator motor, gearbox and storage
Secondary water cooled recirculation assembly on battery, the secondary water cooled recirculation assembly includes water pump；The secondary water cooled recirculation assembly is logical
Heat exchanging pipe is crossed to be connected by circulation with heat dissipation tank.
As can be seen from the above description, can control each component by the independent heat dissipation of each component and be maintained at optimal temperature
Degree section works, and then promotes working efficiency.
Further, the flow valve is solenoid valve, and the flow valve, blower are electrically connected with power supervisor respectively,
The temperature controller controls aperture, the revolving speed of blower and the revolving speed of water pump of solenoid valve by the data of sensor.
Further, the battery has multiple groups, and the bottom of the rear and front end of heavy truck is arranged in battery described in multiple groups
On disk.
As can be seen from the above description, on chassis by the rear and front end that battery described in multiple groups is arranged in heavy truck,
By counterweight, while can reduce center of gravity, since uniform force can reduce oil consumption.
Further, it is provided with heat insulation layer on the outer surface of the battery, there is enhancement layer outside the heat insulation layer.
As can be seen from the above description, enabling to battery to be isolated with extraneous by the setting of heat insulation layer, to avoid outer
Boundary's temperature influences the performance of battery, especially winter；By enhancement layer, can be realized to heat insulation layer and internal battery
Protection avoids during running at high speed because flying sands and howling wind puncture battery at high speeds and then lead to an on fire Deng system
The problem of column.
Further, there is the battery minimum electricity to be not less than the 5% of total electricity.
As can be seen from the above description, can guarantee still possess starting in minimum electricity by the setting of minimum electricity
The energy of engine, avoids vehicle from casting anchor.
Further, the power module further includes charging interface, and the charging interface and power supervisor are electrically connected.
As can be seen from the above description, can be realized the input of outside energy to accumulator electric-quantity by the setting of charging interface
Supplement.
A kind of control method of the hybrid power system using above-mentioned heavy truck, the entire car controller module pass through
Power supervisor obtains battery information and judges, comprising:
When starting, when electricity abundance, driven by generator motor；When not enough power supply, by engine driving；
When engine needs to start, by generator motor by first clutch drive electricity generation and electromotion arbor on gear with
Flywheel engagement, drives flywheel turns to start engine；
When vehicle needs to promote delivery efficiency, when electricity abundance, engine, generator motor pass through driving；When not enough power supply,
By engine driving；
When vehicle is in steady operating condition, when electricity abundance, by generator motor and/or engine driving；
When vehicle is in when idle, when electricity abundance, driven by generator motor；
When vehicle is in braking, generator motor is in generating state, is cooperated by second clutch and speed changer, by vehicle
Kinetic energy by gearbox, second clutch drive generator motor generate electricity；
When the not enough power supply, when vehicle be in steady operating condition when and when vehicle be in when idle, pass through engine
It is driven, while generator motor being driven to generate electricity.
Further, described " power generation " includes: to be driven by engine, while passing through flywheel by second clutch
It is engaged with the gear on electricity generation and electromotion arbor and generator motor is driven to generate electricity, the electricity of sending passes through in power supervisor
Inverter assembly passes to battery, realizes charging, battery close on full of when, generator motor passes through second clutch realization
Disengaging with engine, gearbox simultaneously.
Embodiment one
A kind of hybrid power system of heavy truck, including power module, entire car controller module, speed-variable module, engine and
Generator motor；The generator motor is that can both make generator use, the motor device used but also as motor.
The power module includes power supervisor and battery, and the power supervisor and battery are electrically connected；Institute
Stating has inverter assembly in power supervisor；
The power supervisor is electrically connected with entire car controller module, speed-variable module, engine and generator motor respectively；Institute
Entire car controller module is stated to be electrically connected with speed-variable module and engine respectively；
The speed-variable module includes first clutch, second clutch and gearbox, the engine by first clutch with
Gearbox connection；The gearbox is the gearbox of dual input；
The engine includes flywheel, has on the generator motor and leads to flywheel meshed gears, the generator motor
Second clutch is crossed to connect with flywheel, gearbox respectively.
It further include refrigerating module, the refrigerating module includes air-cooled component, water cooling component, temperature controller and sensor,
The temperature controller and sensor are electrically connected；
Temperature sensor is respectively arranged on the engine, generator motor, gearbox and battery；
The air-cooled component includes blower, general pipeline and is in charge of, and is set on the engine, generator motor, gearbox and battery
Be equipped with and be in charge of, it is described be in charge of be connected to general pipeline, it is described be in charge of between general pipeline be provided with flow valve；The blower is located at general pipeline
It is interior, there is filter screen on the inlet end of the general pipeline.
The water cooling component includes heat dissipation tank, heat exchanging pipe and is separately positioned on engine, generator motor, gearbox
With the secondary water cooled recirculation assembly on battery, the secondary water cooled recirculation assembly includes water pump；The secondary water cooled circulation group
Part is connected by circulation by heat exchanging pipe and heat dissipation tank.
The flow valve is solenoid valve, and the flow valve, blower are electrically connected with power supervisor respectively, the temperature control
Device processed controls aperture, the revolving speed of blower and the revolving speed of water pump of solenoid valve by the data of sensor.
The battery has multiple groups, and battery described in multiple groups is arranged on the chassis of the rear and front end of heavy truck.
It is provided with heat insulation layer on the outer surface of the battery, there is enhancement layer outside the heat insulation layer.
It is the 8% of total electricity that the battery, which has minimum electricity,.
The power module further includes charging interface, and the charging interface and power supervisor are electrically connected, the charging
Interface is arranged on the vehicle shell of vehicle, is provided with protection cap on the charging interface.
Embodiment two
A kind of control method of the hybrid power system using heavy truck described in embodiment one, the entire car controller module
Battery information is obtained by power supervisor and is judged, comprising:
When starting, when electricity abundance, driven by generator motor；When not enough power supply, by engine driving；
When engine needs to start, by generator motor by first clutch drive electricity generation and electromotion arbor on gear with
Flywheel engagement, drives flywheel turns to start engine；
When vehicle needs to promote delivery efficiency, when electricity abundance, engine, generator motor pass through driving；When not enough power supply,
By engine driving；
When vehicle is in steady operating condition, when electricity abundance, by generator motor and/or engine driving；
When vehicle is in when idle, when electricity abundance, driven by generator motor；
When vehicle is in braking, generator motor is in generating state, is cooperated by second clutch and speed changer, by vehicle
Kinetic energy by gearbox, second clutch drive generator motor generate electricity；
When the not enough power supply, when vehicle be in steady operating condition when and when vehicle be in when idle, pass through engine
It is driven, while generator motor being driven to generate electricity, driven by engine, while being passed through by second clutch
Flywheel is engaged with the gear on electricity generation and electromotion arbor drives generator motor to generate electricity, and the electricity of sending passes through power supervisor
Interior inverter assembly passes to battery, realizes charging, battery close on full of when, generator motor passes through second clutch
Realize the disengaging simultaneously with engine, gearbox.
Embodiment three
A kind of control method of the hybrid power system using heavy truck described in embodiment one, the entire car controller module
Battery information is obtained by power supervisor and is judged, comprising:
When starting, when electricity abundance, gearbox is directly driven by second clutch by generator motor；When not enough power supply,
Gearbox is directly driven by first clutch by engine；
When engine needs to start, by generator motor by first clutch drive electricity generation and electromotion arbor on gear with
Flywheel engagement, drives flywheel turns to start engine；
When vehicle needs to promote delivery efficiency, when electricity abundance, engine is exported by first clutch, while driving power generation
Motor carries out power-assisted by second clutch；When not enough power supply, generator motor by second clutch realize simultaneously with hair
The disengaging of motivation, gearbox；
When vehicle is in steady operating condition, when electricity abundance, by generator motor and/or engine direct drive；
When vehicle is in when idle, when electricity abundance, driven by generator motor；
When vehicle is in the operating condition of braking or descending, generator motor be in generating state, by second clutch and
The kinetic energy of vehicle is driven generator motor to generate electricity by speed changer cooperation by gearbox, second clutch；
When the not enough power supply, when vehicle be in steady operating condition when and when vehicle be in when idle, pass through engine
Driven, at the same by second clutch by flywheel engaged with the gear on electricity generation and electromotion arbor drive generator motor into
The electricity of row power generation, sending passes to battery by the inverter assembly in power supervisor, realizes charging, and battery closes on
Full of when, generator motor passes through second clutch and realizes disengaging with engine, gearbox simultaneously.
In conclusion the hybrid power system and control method of a kind of heavy truck provided by the invention, by using
Generator motor can both make generator use, but also as the motor device that motor uses, can be realized motor volume
Reduce, lowers the weight of vehicle, and generator motor can be driven to carry out energy by gearbox when braking
Enough absorptions, while by the inverter assembly in power supervisor, it can be realized kinetic energy recycling；By the engine and
The setting for passing through first clutch and second clutch respectively of generator motor, can be realized power input, can be realized pure
Electrician's condition traveling, engine direct drive the cooperation functions such as motor power-assisted and energy regenerating；By generator motor, can simplify
Overall structure needs generator to exist simultaneously with motor while without being driven in hybrid dynamic system, is by generator motor
Engine provides startup function, simplifies engine structure, further lowers oil consumption；When passing through work, engine is in one
Comparatively stable case avoids frequent oil supply and oil-break that engine life is caused to shorten, and fuel burning is not thorough, and increases solid
The problems such as discharge of body particulate matter.
By the independence heat dissipation of each component, each component can be controlled it is maintained at optimal temperature range and work,
And then promote working efficiency.
On chassis by the rear and front end that battery described in multiple groups is arranged in heavy truck, by counterweight, it can drop
While centre of gravity, since uniform force can reduce oil consumption.
By the setting of heat insulation layer, battery is enabled to be isolated with extraneous, so that ambient temperature be avoided to influence electric power storage
The performance in pond, especially winter；By enhancement layer, the protection to heat insulation layer and internal battery can be realized, avoid high speed
Because flying sands and howling wind puncture battery at high speeds and then lead to a series of problem such as on fire in driving process.
By the setting of minimum electricity, it can guarantee still possess the energy of starting engine in minimum electricity, keep away
Exempt from vehicle to cast anchor.
By the setting of charging interface, supplement of the input to accumulator electric-quantity of outside energy can be realized.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (9)
1. a kind of hybrid power system of heavy truck, which is characterized in that including power module, entire car controller module, speed change
Module, engine and generator motor；
The power module includes power supervisor and battery, and the power supervisor and battery are electrically connected；The electricity
There is inverter assembly in source manager；
The power supervisor is electrically connected with entire car controller module, speed-variable module, engine and generator motor respectively；Institute
Entire car controller module is stated to be electrically connected with speed-variable module and engine respectively；
The speed-variable module includes first clutch, second clutch and gearbox, the engine by first clutch with
Gearbox connection；
The engine includes flywheel, has on the generator motor and leads to flywheel meshed gears, the generator motor
Second clutch is crossed to connect with flywheel, gearbox respectively.
2. the hybrid power system of heavy truck according to claim 1, which is characterized in that it further include refrigerating module, institute
Stating refrigerating module includes air-cooled component, water cooling component, temperature controller and sensor, and the temperature controller and sensor are electrical
Connection；
Temperature sensor is respectively arranged on the engine, generator motor, gearbox and battery；
The air-cooled component includes blower, general pipeline and is in charge of, and is set on the engine, generator motor, gearbox and battery
Be equipped with and be in charge of, it is described be in charge of be connected to general pipeline, it is described be in charge of between general pipeline be provided with flow valve；The blower is located at general pipeline
It is interior, there is filter screen on the inlet end of the general pipeline；
The water cooling component includes heat dissipation tank, heat exchanging pipe and is separately positioned on engine, generator motor, gearbox and storage
Secondary water cooled recirculation assembly on battery, the secondary water cooled recirculation assembly includes water pump；The secondary water cooled recirculation assembly is logical
Heat exchanging pipe is crossed to be connected by circulation with heat dissipation tank.
3. the hybrid power system of heavy truck according to claim 2, which is characterized in that the flow valve is electromagnetism
Valve, the flow valve, blower are electrically connected with power supervisor respectively, and the temperature controller is controlled by the data of sensor
The revolving speed of the aperture of solenoid valve, the revolving speed of blower and water pump.
4. the hybrid power system of heavy truck according to claim 1 to 3, which is characterized in that the electric power storage
There are multiple groups in pond, and battery described in multiple groups is arranged on the chassis of the rear and front end of heavy truck.
5. the hybrid power system of heavy truck according to claim 4, which is characterized in that the outer surface of the battery
On be provided with heat insulation layer, there is enhancement layer outside the heat insulation layer.
6. the hybrid power system of heavy truck according to claim 1 to 3, which is characterized in that the electric power storage
There is minimum electricity to be not less than the 5% of total electricity in pond.
7. the hybrid power system of heavy truck according to claim 1 to 3, which is characterized in that the power supply
Module further includes charging interface, and the charging interface and power supervisor are electrically connected.
8. a kind of control method of the hybrid power system using heavy truck described in claim 1-7 any one, special
Sign is that the entire car controller module obtains battery information by power supervisor and judges, comprising:
When starting, when electricity abundance, driven by generator motor；When not enough power supply, by engine driving；
When engine needs to start, by generator motor by first clutch drive electricity generation and electromotion arbor on gear with
Flywheel engagement, drives flywheel turns to start engine；
When vehicle needs to promote delivery efficiency, when electricity abundance, engine, generator motor pass through driving；When not enough power supply,
By engine driving；
When vehicle is in steady operating condition, when electricity abundance, by generator motor and/or engine driving；
When vehicle is in when idle, when electricity abundance, driven by generator motor；
When vehicle is in braking, generator motor is in generating state, is cooperated by second clutch and speed changer, by vehicle
Kinetic energy by gearbox, second clutch drive generator motor generate electricity；
When the not enough power supply, when vehicle be in steady operating condition when and when vehicle be in when idle, pass through engine
It is driven, while generator motor being driven to generate electricity.
9. the control method of the hybrid power system of heavy truck according to claim 8, which is characterized in that " the hair
Electricity " includes: to be driven by engine, while being nibbled by second clutch by flywheel and the gear on electricity generation and electromotion arbor
Crossed belt moves generator motor and generates electricity, and the electricity of sending passes to battery by the inverter assembly in power supervisor,
Realize charging, battery close on full of when, generator motor by second clutch realize simultaneously with engine, gearbox take off
From.
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| CN111114306A (en) * | 2020-01-02 | 2020-05-08 | 中联重科股份有限公司 | Construction machine |
| CN111959415A (en) * | 2020-08-25 | 2020-11-20 | 徐州徐工矿业机械有限公司 | Energy distribution system algorithm based on VCU control of whole vehicle |
| CN111959415B (en) * | 2020-08-25 | 2022-07-29 | 徐州徐工矿业机械有限公司 | Energy distribution system algorithm based on VCU control of whole vehicle |
| CN114248637A (en) * | 2021-12-29 | 2022-03-29 | 东风重工（十堰）有限公司 | Energy-saving and environment-friendly range-extending type heavy truck |
| CN114248637B (en) * | 2021-12-29 | 2024-06-07 | 东风重工（十堰）有限公司 | Energy-saving environment-friendly extended-range heavy truck |
| CN115753076A (en) * | 2022-11-15 | 2023-03-07 | 吉林大学 | Passive heat dissipation test bed and test method for high-power electrically-driven gearbox |
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