CN210554187U - Vehicle power system and heavy truck with same - Google Patents
Vehicle power system and heavy truck with same Download PDFInfo
- Publication number
- CN210554187U CN210554187U CN201921122583.XU CN201921122583U CN210554187U CN 210554187 U CN210554187 U CN 210554187U CN 201921122583 U CN201921122583 U CN 201921122583U CN 210554187 U CN210554187 U CN 210554187U
- Authority
- CN
- China
- Prior art keywords
- power
- trailer
- electric drive
- tractor
- module
- 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.)
- Active
Links
Images
Classifications
-
- 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 utility model provides a vehicle power system and a heavy truck with the power system, wherein the vehicle power system comprises a tractor power system and a trailer power system which are matched with each other, and the trailer is connected with the tractor to be pulled by the tractor; the tractor power system includes: a power module; the power distribution module is connected with the power module at one end and provided with a plurality of distribution ports at the other end; a plurality of first electric drive bridges, each of which is connected to a respective one of the distribution ports; the trailer power system includes: at least one second electric drive axle connected with at least one of the remaining unconnected distribution ports of the power distribution module. The utility model discloses a vehicle driving system to the second electric drive axle of trailer realizes the braking energy recovery of trailer as the auxiliary brake, reduces whole car braking system wearing and tearing, prolongs whole car braking system's life. The vehicle power system can reduce starting acceleration time and increase climbing capacity.
Description
Technical Field
The utility model relates to a vehicle manufacturing technical field especially relates to a vehicle driving system and have this driving system's heavy truck.
Background
At present, heavy goods trucks mostly adopt a working mode of matching a tractor and a trailer, and the trailer is hung on the tractor when goods are transported. The power of the whole vehicle is derived from a tractor, the trailer generally does not have driving capability and auxiliary braking capability, only depends on the output of a tractor driving system, the starting acceleration is slow, the climbing capability of special road conditions is limited, and the acceleration is relatively slow when the whole vehicle is driven. In addition, the conventional trailer does not adopt any braking energy recovery device, so that the service life of the conventional braking system is shortened, a large amount of energy is consumed in the form of friction heat, and the energy consumption of the whole vehicle is large.
In the prior art, a part of trailers of heavy-duty freight cars can also adopt devices such as a hydraulic variable motor, a hydraulic energy accumulator and the like to realize the recovery and utilization of braking energy. When the vehicle brakes, the rear axle of the trailer drags the hydraulic variable motor to operate, and oil is pumped into the energy accumulator. When the vehicle starts or accelerates, high-pressure oil in the energy accumulator is discharged to drive the motor to operate, so that auxiliary power is output to the rear axle of the trailer. However, the technology is mainly used for the traditional fuel vehicle, and the hydraulic control system is complex and relatively slow in response. In addition, a set of hydraulic energy storage device needs to be additionally arranged independently. The system is not suitable for new energy heavy trucks which need to realize the electromotion, intellectualization and automatic driving of the whole vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve among the prior art problem that the trailer does not possess driving capability and auxiliary brake ability, realize the recovery of vehicle braking energy, reduce whole car energy consumption.
The utility model discloses another further purpose is solved among the prior art through installing hydraulic pressure energy storage and energy conversion device's trailer additional, and its braking energy recovery and utilization system mainly is the hydraulic pressure mechanical system, leads to its response speed and control accuracy not to have the problem that satisfies the development requirement that the new forms of energy heavily blocked the electronization, intellectuality.
In particular, the utility model provides a vehicle power system, including the tractor driving system and the trailer driving system that cooperate each other, the tractor driving system disposes on the tractor, the trailer driving system disposes on the trailer, the trailer with the tractor is connected in order to be drawn by the tractor;
the tractor power system includes:
the power module is arranged on the tractor to provide power;
a power distribution module having one end connected to the power module and the other end having a plurality of distribution ports, the power distribution module configured to distribute power provided by the power module;
a plurality of first electric drive axles, each first electric drive axle being connected to a respective one of said distribution ports for driving a respective plurality of said first electric drive axles by said power distribution module;
the trailer power system includes:
at least one second electric drive axle connected with at least one of the remaining unconnected distribution ports of the power distribution module. Further, the power module is a power battery.
Further, the power distribution module is a high-voltage distribution box.
Further, the vehicle powertrain further includes:
and the high-pressure control box is arranged between the power module and the power distribution module and is respectively connected with the power module and the power distribution module so as to control the power provided by the power module.
Further, the number of the first electric drive axles is two.
Further, each of the first electric drive axles respectively comprises two mutually matched electric drive assemblies.
Further, each of the electric drive assemblies respectively comprises:
the first driving motor is connected with a half shaft of the tractor;
and one end of the first motor controller is connected with the power distribution module, and the other end of the first motor controller is connected with the first driving motor to drive the first driving motor to work.
Furthermore, the number of the second electric drive axles is one, and the second electric drive axles are arranged on any trailer half shaft of the trailer.
Further, the second electric drive axle includes:
the second driving motor is connected with the semi-axle of the trailer;
and one end of the second motor controller is connected with the power distribution module, and the other end of the second motor controller is connected with the second driving motor to drive the second driving motor to work.
The utility model also provides a heavy truck, including tractor and trailer, this heavy truck includes according to the vehicle driving system in the above-mentioned embodiment.
The utility model discloses a vehicle power system, including the tractor driving system and the trailer driving system that cooperate each other, the tractor driving system disposes on the tractor, the trailer driving system disposes on the trailer, the trailer is connected with the tractor in order to be drawn by the tractor; the tractor axle adopts the first electric drive axle, and the trailer axle adopts the second electric drive axle. The second electric drive axle of the trailer is used as auxiliary braking, so that the braking energy of the trailer is recovered, an energy storage system does not need to be additionally arranged, the abrasion of a whole vehicle braking system is reduced, and the service life of the whole vehicle braking system is prolonged. The recovered large amount of braking energy can also prolong the driving range of the vehicle. On the other hand, when the trailer power system adopts the second electric drive axle, when the power demand of the whole vehicle is large, under the working conditions of rapid starting acceleration, climbing and the like, the power-assisted vehicle can provide power for the tractor, so that the starting acceleration time is shortened, the climbing capacity is increased, and the like.
Further, the utility model discloses a vehicle driving system through the drive and the braking that adopt first electric drive axle and second electric drive axle, can realize the accurate control of moment of torsion, satisfies the electronization of whole car, intelligent demand.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic block diagram of a heavy truck according to an embodiment of the invention;
fig. 2 is a schematic diagram of a vehicle powertrain according to an embodiment of the present invention.
Reference numerals:
a vehicle powertrain 100;
a tractor 10; a power module 11; a power distribution module 12; an electric drive assembly 13; a first drive motor 131; a first motor controller 132; a high voltage control box 14;
a trailer 20; a second electric drive axle 21; the second drive motor 211; a second motor controller 212.
Detailed Description
Referring to fig. 1 and 2, a vehicle powertrain 100 according to an embodiment of the present invention includes a tractor powertrain and a trailer powertrain that cooperate with each other. Wherein the tractor power system is disposed on the tractor 10, the trailer power system is disposed on the trailer 20, and the trailer 20 is hitched on the tractor 10 and pulled by the tractor 10 (as shown in particular in fig. 1).
As shown in fig. 2, the power system of the tractor mainly comprises a power module 11, a power distribution module 12 and a plurality of first electric drive axles. Wherein, the power module 11 is installed on the tractor 10, and the power module 11 provides power for the whole vehicle. The power distribution module 12 has one end connected to the power module 11 and the other end having a plurality of distribution ports. The power distribution module 12 distributes the power provided by the power module 11 through a plurality of distribution ports, so as to meet the requirements of a tractor power system and a trailer power system respectively. The plurality of first electric drive axles are respectively connected with the corresponding distribution ports, the plurality of first electric drive axles are respectively driven by the electric energy provided by the power module 11 to generate power, and the tractor 10 drives the whole vehicle to run by the power generated by the plurality of first electric drive axles.
As shown in fig. 2, the trailer power system mainly includes at least one second electric drive axle 21, and the at least one second electric drive axle 21 is correspondingly connected to a distribution port on the power distribution module 12. At least one second electric drive axle 21 is distributed from the power module 11 through the power distribution module 12 to obtain electric energy, and then the second electric drive axle 21 is driven to work and generate power. The power generated by the second electric drive axle 21 of the trailer 20 may be used as auxiliary power for the tractor 10. The utility model discloses an energy storage system adopts the electric energy that power module 11 provided as power, and tractor driving system's first electric drive axle and trailer driving system's second electric drive axle 21 provide power or brake force for whole car simultaneously, realize putting in order car power take off and energy recuperation's accurate control.
The whole vehicle is driven or braked by the first electric drive axle of the tractor power system and the second electric drive axle 21 of the trailer power system, specifically, the power module 11 provides electric energy as power during the running process of the vehicle, and the plurality of first electric drive axles of the tractor power system drive the whole vehicle to run. When the vehicle needs to accelerate suddenly or climb a steep slope, the power module 11 provides electric energy, the first electric drive axles of the tractor power system provide main power, and in addition, the second electric drive axle 21 of the trailer power system also provides auxiliary power, so that the acceleration performance and the climbing performance of the whole vehicle are improved.
When the vehicle is braking, the first electric transaxles of the tractor drive system and the second electric transaxle 21 of the trailer drive system simultaneously recover braking energy and store the recovered energy in the power module 11, in addition to the braking performed by the conventional service brake systems of the tractor 10 and the trailer 20. Therefore, the loss of the traditional service braking system can be reduced, the service life of the traditional service braking system can be prolonged, the energy consumption of the whole vehicle can be saved, and the driving range of the vehicle can be prolonged.
In some embodiments of the present invention, as shown in fig. 2, the power module 11 may adopt a power battery. The power distribution module 12 may employ a high voltage distribution box. The high-voltage distribution box can distribute the electric energy provided by the power battery to the first electric drive axle and the second electric drive axle 21, and can store the braking energy recovered by the first electric drive axle and the second electric drive axle 21 back to the power battery when the whole vehicle is braked, so that the energy consumption of the whole vehicle is saved, and the driving range of the vehicle is prolonged.
According to an embodiment of the present invention, referring to fig. 2, the vehicle powertrain 100 further includes a high voltage control box 14. The high-voltage control box 14 is installed between the power module 11 and the power distribution module 12, and the high-voltage control box 14 is connected with the power module 11 and the power distribution module 12 respectively, and the high-voltage control box 14 can control the power provided by the power module 11. That is to say, the electric energy provided by the power battery can be managed and controlled by the high-voltage control box 14, and the service efficiency of the power battery is improved.
In some preferred embodiments of the present invention, referring to fig. 2, the number of first electric drive axles in the tractor powertrain is two. Each first electric drive axle comprises two electric drive assemblies 13 which are matched with each other, that is to say, the first electric drive axles can be driven by two motors. Of course, it will be understood by those skilled in the art that the number of the first electric drive axles may be specifically set according to the actual requirements of the vehicle. Each electric drive assembly 13 is mainly composed of a first drive motor 131, a first motor controller 132. Wherein the first driving motor 131 is connected with the tractor half shaft. The first motor controller 132 has one end connected to the power distribution module 12 and the other end connected to the first driving motor 131 to drive the first driving motor 131 to work. Specifically, the high voltage distribution box distributes the electric energy provided by the power battery to the first motor controller 132, and the first motor controller 132 controls the first driving motor 131 to drive or recover the braking energy.
According to an embodiment of the present invention, referring to fig. 1 and 2, the number of the second electric drive axle 21 in the trailer power system may be one, the second electric drive axle 21 may be driven by a single motor, and the second electric drive axle 21 may be installed on any one of the trailer half shafts of the trailer 20. Of course, it will be understood by those skilled in the art that the number of the second electric drive axles 21 and which trailer half axle the second electric drive axle 21 is specifically mounted on may be specifically configured according to the actual needs of the vehicle. The second electric drive axle 21 is mainly composed of a second drive motor 211 and a second motor controller 212. Wherein the second driving motor 211 is connected with the trailer half shaft. One end of the second motor controller 212 is connected to the power distribution module 12, and the other end is connected to the second driving motor 211 to drive the second driving motor 211 to operate. Specifically, the high voltage distribution box distributes the electric energy provided by the power battery to the second motor controller 212, and the second motor controller 212 controls the second driving motor 211 to drive or recover the braking energy.
In summary, the present invention provides a vehicle powertrain 100, wherein the first electric drive axle is used for the tractor axle and the second electric drive axle 21 is used for the trailer axle. The second electric drive axle 21 of the trailer 20 is used as auxiliary brake, so that the brake energy of the trailer 20 is recovered, an energy storage system does not need to be additionally arranged, the abrasion of a whole vehicle brake system is reduced, and the service life of the whole vehicle brake system is prolonged. The recovered large amount of braking energy can also prolong the driving range of the vehicle. On the other hand, when the second electric drive axle 21 is adopted by the trailer 20, the power demand of the whole vehicle is large, such as under the working conditions of rapid starting acceleration, climbing and the like, the power-assisted vehicle can provide power for the tractor 10, so that the starting acceleration time is shortened, and the climbing capability is improved.
Furthermore, the utility model discloses a vehicle driving system 100, through the drive and the braking that adopt first electric drive axle and second electric drive axle 21, can realize the accurate control of moment of torsion, satisfies the electronization of whole car, intelligent demand.
The present invention also provides a heavy truck, which comprises a tractor 10 and a trailer 20 hitched to the tractor 10, as shown in fig. 1 and 2, and which may be a large truck or other vehicle of the type having a tractor and a trailer. The heavy truck comprises the vehicle powertrain 100 in the above described embodiment, that is, the heavy truck comprises the tractor powertrain and the trailer powertrain in the above described embodiment. Because according to the utility model discloses vehicle driving system 100 has above-mentioned technological effect, consequently, according to the utility model discloses a heavy truck also has corresponding technological effect, promptly the utility model discloses a heavy truck, its tractor axle adopt first electric drive axle, and the trailer axle adopts second electric drive axle 21. The second electric drive axle 21 of the trailer 20 is used as auxiliary brake, so that the brake energy of the trailer 20 is recovered, an energy storage system does not need to be additionally arranged, the abrasion of a whole vehicle brake system is reduced, and the service life of the whole vehicle brake system is prolonged. The recovered large amount of braking energy can also prolong the driving range of the heavy truck. On the other hand, when the second electric drive axle 21 is adopted by the trailer 20, the power demand of the whole vehicle is large, such as under the working conditions of rapid starting acceleration, climbing and the like, the power-assisted vehicle can provide power for the tractor 10, so that the starting acceleration time is shortened, and the climbing capability is improved.
Furthermore, the utility model discloses a heavy truck through the drive and the braking that adopt first electric drive axle and second electric drive axle 21, can realize the accurate control of moment of torsion, satisfies the electronization of whole car, intelligent demand.
Other structures and operations of the heavy truck according to embodiments of the present invention are understood and readily implemented by those skilled in the art, and thus will not be described in detail.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A vehicle power system comprising a tractor power system and a trailer power system cooperating with each other, the tractor power system being disposed on a tractor and the trailer power system being disposed on a trailer, the trailer being connected to the tractor for traction by the tractor;
the tractor power system includes:
the power module is arranged on the tractor to provide power;
a power distribution module having one end connected to the power module and the other end having a plurality of distribution ports, the power distribution module configured to distribute power provided by the power module;
a plurality of first electric drive axles, each first electric drive axle being connected to a respective one of said distribution ports for driving a respective plurality of said first electric drive axles by said power distribution module;
the trailer power system includes:
at least one second electric drive axle connected with at least one of the remaining unconnected distribution ports of the power distribution module.
2. The vehicle powertrain system of claim 1,
the power module is a power battery.
3. The vehicle powertrain system of claim 1,
the power distribution module is a high-voltage distribution box.
4. The vehicle powertrain system of claim 1, further comprising:
and the high-pressure control box is arranged between the power module and the power distribution module and is respectively connected with the power module and the power distribution module so as to control the power provided by the power module.
5. The vehicle powertrain system of claim 1,
the number of the first electric drive axles is two.
6. The vehicle powertrain system of claim 5,
each first electric drive axle comprises two mutually matched electric drive assemblies.
7. The vehicle powertrain of claim 6, wherein each electric drive assembly comprises:
the first driving motor is connected with a half shaft of the tractor;
and one end of the first motor controller is connected with the power distribution module, and the other end of the first motor controller is connected with the first driving motor to drive the first driving motor to work.
8. The vehicle powertrain system of claim 1,
the number of the second electric drive axles is one, and the second electric drive axles are arranged on any trailer half shaft of the trailer.
9. The vehicle powertrain of claim 8, wherein the second electric drive axle comprises:
the second driving motor is connected with the semi-axle of the trailer;
and one end of the second motor controller is connected with the power distribution module, and the other end of the second motor controller is connected with the second driving motor to drive the second driving motor to work.
10. A heavy truck comprising a tractor and a trailer, characterized in that it comprises a vehicle powertrain according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921122583.XU CN210554187U (en) | 2019-07-17 | 2019-07-17 | Vehicle power system and heavy truck with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921122583.XU CN210554187U (en) | 2019-07-17 | 2019-07-17 | Vehicle power system and heavy truck with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210554187U true CN210554187U (en) | 2020-05-19 |
Family
ID=70672332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921122583.XU Active CN210554187U (en) | 2019-07-17 | 2019-07-17 | Vehicle power system and heavy truck with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210554187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113415158A (en) * | 2021-07-30 | 2021-09-21 | 东风商用车有限公司 | Control method and control system for tractor drive axle |
-
2019
- 2019-07-17 CN CN201921122583.XU patent/CN210554187U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113415158A (en) * | 2021-07-30 | 2021-09-21 | 东风商用车有限公司 | Control method and control system for tractor drive axle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10059199B2 (en) | Driving apparatus for rear wheel of environment-friendly vehicle | |
| US20040069548A1 (en) | Hybrid vehicle | |
| CN103786728A (en) | System for controlling E-4WD hybrid electricity vehicle and method thereof | |
| CN103231705A (en) | Brake pedal feel flexibly settable electro-hydraulic composite braking system | |
| CN201721312U (en) | Automotive hybrid drive system | |
| CN105291861A (en) | Electrical-hydraulic hybrid power transmission system | |
| CN101096180A (en) | Four-wheel driven hybrid power system and working method | |
| CN104590248A (en) | Control method based on series-parallel hybrid power system | |
| JP2016022890A (en) | Plug-in hybrid vehicle | |
| CN105564395B (en) | A kind of tandem hydraulic automobile regenerative braking energy reclaiming system | |
| CN103231704A (en) | Electro-hydraulic compound braking system based on hydraulic control unit and integrated braking master cylinder | |
| CN103158524A (en) | Driving assembly used for hybrid electric automobile | |
| CN210554187U (en) | Vehicle power system and heavy truck with same | |
| CN109693548B (en) | Energy recycling system capable of recycling braking energy | |
| CN113459817B (en) | Braking energy recovery control method and system based on wheel hub motor vehicle | |
| CN104875611A (en) | Special vehicle power system based on dual-end output work/traveling driving motor | |
| CN103129412B (en) | For the method and apparatus controlling the power drive system in electric vehicle | |
| CN107914560A (en) | A kind of single shaft dual-motor drive system | |
| CN210553940U (en) | Vehicle power system and heavy truck with same | |
| CN202608540U (en) | Drive assembly for hybrid vehicle | |
| CN102991334B (en) | The drive system of four-drive hybrid electric vehicle and driving method | |
| CN102826056B (en) | Automobile crane and driving system thereof | |
| CN201154662Y (en) | Mixed power vehicle back-driven by front driving hub generator of engine | |
| CN212242981U (en) | Four-drive motor system of hydrogen fuel cell electric automobile | |
| CN205202713U (en) | Hybrid powertrain system and have its vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211129 Address after: Room 612, building 1, 1760 Jiangling Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG GEELY NEW ENERGY COMMERCIAL VEHICLE GROUP Co.,Ltd. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: GEELY SICHUAN COMMERCIAL VEHICLE Co.,Ltd. Patentee after: Zhejiang remote commercial vehicle R & D Co.,Ltd. Address before: Room 612, building 1, 1760 Jiangling Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG GEELY NEW ENERGY COMMERCIAL VEHICLE GROUP Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee before: GEELY SICHUAN COMMERCIAL VEHICLE Co.,Ltd. |