CN107554324A - The transmission system of double cell group power supply - Google Patents
The transmission system of double cell group power supply Download PDFInfo
- Publication number
- CN107554324A CN107554324A CN201710683168.0A CN201710683168A CN107554324A CN 107554324 A CN107554324 A CN 107554324A CN 201710683168 A CN201710683168 A CN 201710683168A CN 107554324 A CN107554324 A CN 107554324A
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- motor
- power
- battery pack
- brake
- power battery
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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
Abstract
A kind of transmission system of double cell group power supply, including entire car controller, the first power battery pack, the second power battery pack, the first electric machine controller, the second electric machine controller, the first motor, the second motor, the first brake, second brake, gear train, driving moment, the first fast charge mouth and the second fast charge mouth；Wherein described first power battery pack and second power battery pack are respectively that first motor and the second motor provide electric energy, wherein first motor and second motor are used to provide kinetic energy for system；The system can realize the power supply of double cell group, the charging of double charge ports and Dual-motors Driving simultaneously, shorten the charging interval, improve vehicle utilization, realize more preferable power output performance.
Description
【Technical field】
The present invention relates to electric vehicle engineering field, more particularly to a kind of double cell group applied to electric automobile is powered
Transmission system.
【Background technology】
At present, because electric automobile is only powered by single battery group, the probability that battery system breaks down is big, makes logistics
Progress can be affected.Further, since most of cradle maximum can only bear 250A electric current, plus the limitation of charging pile,
Cause charging electric vehicle slow, standby time is grown, and utilization rate is low.In addition, in electronic special-purpose vehicle field, particularly at some
In load capacity big large-scale heavy truck and middle card, prior art does not reach the dynamic property of vehicle often using single motor system
Can, or even it is to reach the power performance of vehicle sometimes so that high voltage cable bears that load is big, and line footpath is thick, and loss is big.
In view of the foregoing, it is necessary to provide a kind of transmission system of new double cell group power supply in fact to overcome the above to lack
Fall into.
【The content of the invention】
It is an object of the invention to provide the good double cell group power supply of a kind of charge fast, efficiency high, highly reliable and performance
Transmission system.
To achieve these goals, the present invention provides a kind of transmission system of double cell group power supply, and the double cell group supplies
The transmission system of electricity includes entire car controller, the first power battery pack, the second power battery pack, the first electric machine controller, second
Electric machine controller, the first motor, the second motor, the first brake, second brake, gear train and driving moment；The gear
Group includes sun gear, gear ring, planetary gear and planet carrier；The entire car controller and first electric machine controller, described second
Electric machine controller, first brake and the second brake are connected；The entire car controller is used for the described first electricity
Machine controller, second electric machine controller, first brake and the second brake send control command, and then control
The mode of operation of vehicle processed；First power battery pack is connected by first electric machine controller with first motor,
First electric machine controller is used to control the operating of first motor according to the control command of the entire car controller；Institute
State the second power battery pack by second electric machine controller with second motor to be connected, second electric machine controller is used
The operating of second motor is controlled in the order according to entire car controller；First motor passes with first brake
Dynamic connection and first brake and sun gear drive connection, first motor is for according to the first motor control
The control command of device processed provides corresponding moment of torsion, and first brake is used for according to the control life for controlling the entire car controller
Order controls the transmission of energy between first motor and the sun gear；Second motor is driven with the second brake
Connection and the second brake and gear ring drive connection, second motor is for according to second electric machine controller
Control command corresponding moment of torsion is provided, the second brake is used to control institute according to the control command of the entire car controller
The transmission of energy between the second motor and the gear ring is stated, the gear train is connected with the driving moment, by energy
Transmit to the driving moment and then rotate driving moment.
Further, when automobile driving speed is less than the minimum speed of setting, the described in the vehicle control unit controls
The rotary shaft of the second motor is stated in two brake locks residences, and second motor stops transmitting into action edge with the gear ring, by the
Electric energy is provided separately in one power battery pack, and power is provided separately to the sun gear, the sun rotation by first motor
Move and deliver power to the planetary gear, the planetary gear exports power to the planet carrier again, and the planet carrier is by power
Transmit to the driving moment；If the first power battery pack electric energy exhausts, the first electricity is stated in the first brake locks residence
The rotary shaft of machine, first motor stop transmitting into action edge with the sun gear, and second power battery pack is described
Second motor is powered, and second motor works and produces power to the gear ring, power and transmitted again by the gear ring to described
Planetary gear, the planetary gear transmit certain power to the planet carrier, the planet carrier and transmit power to the driving again
Wheel.
Further, when automobile scanning frequency is more than the minimum speed of setting, first motor and the second motor drive simultaneously
Dynamic, energy is respectively that first motor and the second motor supply by first power battery pack and second power battery pack
Electricity；First battery and second motor output power, which are divided into two-way, to be transmitted to the sun gear and the gear ring, two groups
Power is passed to the planetary gear and carries out coupling superposition again, and the power after superposition is transmitted to the driving car by the planet carrier again
Wheel.
Further, when first power battery pack breaks down, the first brake described in the entire car controller
Pinning the rotary shaft of first motor makes first motor stop transmitting into action edge with the sun gear, second electricity
Machine controller controls second power battery pack to provide electric energy, second motor output power to institute for second motor
Gear ring is stated, the ring gear against rotation simultaneously exports certain power to the planetary gear, then exports power again to institute by the planetary gear
Planet carrier is stated, the planet carrier outputs power to the planet carrier and transmits power to the driving moment.
Further, when second power battery pack breaks down, the second system described in the vehicle control unit controls
Dynamic device pins the rotary shaft of second motor, and second motor stops transmitting into action edge with the gear ring, the first power
Electric energy is provided separately in battery pack, and first motor individually produces power to the sun gear, and the sun gear is rotated and will passed
Defeated power gives the planetary gear, and power is transmitted to the planet carrier by the planetary gear again, the planet carrier by power transmit to
The driving moment.
Further, when automobile regenerative braking, caused braking moment drives first electricity by the gear train
Machine and the second motor produce electric energy and first power battery pack and the second power battery pack are charged respectively.
Further, the transmission system of the double cell group power supply also includes the first charge port and the second charge port；It is described
First charge port is connected with first power battery pack, and second charge port is connected with second power battery pack；
When automobile charges, first charge port and second charge port are simultaneously respectively to first power battery pack and described the
Two power battery packs realize quick charge.
Further, first power battery pack and second power battery pack are respectively by multiple in parallel and/or string
The cell composition of connection.
Compared to prior art, the present invention is respectively that two motor power supplies not only reduce by setting two groups of supplying cells
The load of cable, make strand design more convenient, and if when one of which battery breaks down automobile in the process of moving,
Another Battery pack can also continue to power, and largely avoid the phenomenon cast anchor by battery failures, add the stability of system；
The present invention is also corresponding to be provided with two charge ports, shortens the charging interval, improves charge efficiency.Moved by using bi-motor
The mode that couple of force closes improves capacity usage ratio, increases power performance.
【Brief description of the drawings】
Fig. 1 is the systematic schematic diagram of the transmission system for the double cell group power supply that embodiments of the invention provide.
【Embodiment】
In order that the purpose of the present invention, technical scheme and advantageous effects become apparent from understanding, below in conjunction with this hair
Accompanying drawing in bright embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described
Embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, this area
The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
When an element was considered as with another element " being connected ", it can be directly to another element or
It may be simultaneously present centering elements.Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to this hair
The implication that bright those skilled in the art are generally understood that is identical.Term used in the description of the invention herein
It is intended merely to describe the purpose of specific embodiment, it is not intended that in the limitation present invention.
Referring to Fig. 1, the transmission system 100 of the double cell group power supply includes the first power battery pack 1, the second power electric
Pond group 2, the first electric machine controller 3, the second electric machine controller 4, the first motor 5, the second motor 6, the first brake 7, second system
Dynamic device 8, gear train 9 and driving moment 10.First power battery pack 1 is by multiple in parallel and/or series connection cell group
Into second power battery pack 2 is made up of multiple in parallel and/or series connection cell.The gear train 9 includes sun gear
A, gear ring b, planetary gear c and planet carrier x.First power battery pack 1 passes through first electric machine controller 3 and described first
Motor 5 is connected, and second power battery pack 2 is connected by second electric machine controller 4 with second motor 6.It is described
First motor 5 is connected with first brake 7, and second motor 6 is connected with the second brake 8.Institute
The first brake 7 is stated to be connected with the sun gear a, the second brake 8 is connected with the gear ring b, it is described too
The sun wheel a and gear ring b and planetary gear c is connected, and the planetary gear c and planet carrier x is connected, the planet carrier
X is connected with the driving moment 10.
The transmission system 100 of the double cell group power supply also includes the first charge port 11 and the second charge port 12.Described
One charge port 11 is connected with first power battery pack 1, second charge port 12 and the phase of the second power battery pack 2
Even.
The transmission system 100 of the double cell group power supply also includes entire car controller 34, the entire car controller 34 and institute
The first electric machine controller 3, second electric machine controller 4, first brake 7 and the second brake 8 is stated to be connected.
The operation principle for the transmission system 100 powered to double cell group of the present invention is illustrated below.
First power battery pack 1 and second power battery pack 2 are respectively by multiple in parallel and series connection monomer electricity
Pond forms, for providing electric energy for first motor 5 and second motor 6.The entire car controller 34 is used for basis and driven
The person of sailing be intended to and information of vehicles to first electric machine controller 3, second electric machine controller 4, first brake 7 and
The second brake 8 sends control command, and then controls the mode of operation of vehicle.
First electric machine controller 3 is used to control first electricity according to the control command of the entire car controller 34
The operating of machine 5, second electric machine controller 4 are used to control second motor 6 according to the order of entire car controller 34
Operating, first motor 5 are used to provide corresponding moment of torsion according to the control command of first electric machine controller 3, and described the
Two motors 6 are used to provide corresponding moment of torsion according to the control command of second electric machine controller 4, and first brake 7 is used
According to energy between control command control first motor 5 of the control entire car controller 34 and the sun gear a
Transmission, the second brake 8 be used for according to the control command of the entire car controller 34 control second motor 6 with it is described
The transmission of energy between gear ring b.The gear train 9 is used to transmit moment of torsion, change the direction of moment of torsion and form rotating speed, the tooth
Wheel group 9 can also be coupled power, and final output power is to the driving moment 10 to drive running car.
When automobile driving speed is less than the minimum speed of setting, the entire car controller 34 controls the second brake
8 pin the rotary shaft of second motor 6, and second motor 6 stops transmitting into action edge, moved by first with the gear ring b
Electric energy is provided separately in power battery pack 1, and power is provided separately to the sun gear a, the sun gear a turns by first motor 5
Move and deliver power to the planetary gear c, the planetary gear c exports power to the planet carrier x, the planet carrier x generals again
Power is transmitted to the driving moment 10, so as to drive running car.If the electric energy of the first power battery pack 1 exhausts, described
First brake 7 pins the rotary shaft of first motor 5, and first motor 5 stops passing into action edge with the sun gear a
Defeated, second power battery pack 2 is that second motor 6 is powered, and second motor 6 works and produces power to the tooth
B is enclosed, power is transmitted to the planetary gear c, the planetary gear c by the gear ring b transmit certain power again to the planet again
Frame x, the planet carrier x, which transmit power to the driving moment 10, the driving moment 10, to be rotated and then drives running car.
When automobile scanning frequency is more than the minimum speed of setting, the motor 6 of the first motor 5 and second drives simultaneously, energy
It is respectively that the motor 6 of the first motor 5 and second is powered by first power battery pack 1 and second power battery pack 2.
First battery 5 and second motor 6 output power are divided into two-way and transmitted to the sun gear a and the gear ring b, two groups
Power is passed to the planetary gear c and carries out coupling superposition again, and the power after superposition is transmitted to the driving by the planet carrier x again
Wheel 10, the driving moment 10 rotate and then drive running car.
When first power battery pack 1 breaks down, the first brake 7 described in the entire car controller 34 pins institute
Stating the rotary shaft of the first motor 5 makes first motor 5 stop transmitting into action edge with the sun gear a, second motor
Controller 4 controls second power battery pack 2 to provide electric energy, second motor output power to institute for second motor
Gear ring b is stated, the gear ring b is rotated and exported certain power exports power again to the planetary gear c, then by the planetary gear c
Output power to the planet carrier x to the planet carrier x, the planet carrier x and transmit power to the driving moment 10, institute
Driving moment 10 is stated to rotate and then drive running car.
When second power battery pack 2 breaks down, the entire car controller 34 controls the second brake 8 to lock
The rotary shaft of the second motor 6 is stated in residence, and second motor 6 stops transmitting into action edge with the gear ring b, the first electrokinetic cell
Electric energy is provided separately in group 1, and first motor 5 individually produces power to the sun gear a, and the sun gear a is rotated and will passed
Defeated power gives the planetary gear c, and power is transmitted to the planet carrier x, the planet carrier x by the planetary gear c pass power again
The driving moment 10 is transported to, the driving moment 10 rotates and then drives running car.
When automobile regenerative braking, caused braking moment drives first motor 5 and second by the gear train 9
Motor 6 produces electric energy and the power battery pack 2 of the first power battery pack 1 and second is charged respectively.
When automobile charges, first charge port 11 and second charge port 12 are simultaneously respectively to first power
Battery pack 1 and second power battery pack 2 realize quick charge.
The present invention makes high voltage cable load diminish by setting two Battery packs to power, and makes strand design more convenient, may be used also
Realize when one of which battery breaks down, another Battery pack can also continue to power, and greatly diminution automobile casts anchor several on the way
Rate, add the reliability of electric automobile.By setting two charge ports to shorten the time of charging, charging effect is substantially increased
Rate.By using the mode of double dynamical coupling, the output of automobile dynamic quality is increased.
The present invention is not restricted to described in description and embodiments, therefore can for the personnel of familiar field
Additional advantage and modification are easily realized, therefore in the spirit of the universal limited without departing substantially from claim and equivalency range
In the case of scope, the present invention is not limited to specific details, representational equipment and shown shown here as the diagram with description
Example.
Claims (8)
- A kind of 1. transmission system of double cell group power supply, it is characterised in that：Including entire car controller, the first power battery pack, Two power battery packs, the first electric machine controller, the second electric machine controller, the first motor, the second motor, the first brake, second Brake, gear train and driving moment；The gear train includes sun gear, gear ring, planetary gear and planet carrier；The full-vehicle control Device is connected with first electric machine controller, second electric machine controller, first brake and the second brake； The entire car controller is used for first electric machine controller, second electric machine controller, first brake and institute State second brake and send control command, and then control the mode of operation of vehicle；First power battery pack passes through described One electric machine controller is connected with first motor, and first electric machine controller is used for the control according to the entire car controller Order to control the operating of first motor；Second power battery pack passes through second electric machine controller and described the Two motors are connected, and second electric machine controller is used to control the fortune of second motor according to the order of entire car controller Turn；First motor is connected with first brake and first brake is connected with the sun gear, First motor is used to provide corresponding moment of torsion, first brake according to the control command of first electric machine controller For according to the biography for controlling energy between control command control first motor of the entire car controller and the sun gear It is defeated；Second motor is connected with the second brake and the second brake is connected with the gear ring, institute State the second motor to be used to provide corresponding moment of torsion according to the control command of second electric machine controller, the second brake is used In the transmission that energy between second motor and the gear ring is controlled according to the control command of the entire car controller, the tooth Wheel group is connected with the driving moment, to transfer energy to the driving moment and then rotate driving moment.
- 2. the transmission system of double cell group power supply as claimed in claim 1, it is characterised in that：Set when automobile driving speed is less than During fixed minimum speed, second brake described in the vehicle control unit controls pins the rotary shaft of second motor, described Second motor stops transmitting into action edge with the gear ring, and electric energy is provided separately by the first power battery pack, by the described first electricity Power is provided separately to the sun gear in machine, and the sun gear rotates and delivers power to the planetary gear, the planetary gear Power to the planet carrier, the planet carrier is exported again to transmit power to the driving moment；If first electrokinetic cell Group electric energy is exhausted, and the rotary shaft of the first motor is stated in the first brake locks residence, and first motor stops with the sun gear Stop and being transmitted into action edge, second power battery pack is powered for second motor, and second motor works and produced dynamic Power to the gear ring, power is transmitted to the planetary gear by the gear ring again, and the planetary gear transmits certain power to institute again Planet carrier is stated, the planet carrier transmits power to the driving moment.
- 3. the transmission system of double cell group power supply as claimed in claim 2, it is characterised in that：When automobile scanning frequency is more than setting During minimum speed, first motor and the second motor drive simultaneously, and energy is by first power battery pack and described second Power battery pack is respectively the first motor and the second motor power supply；First battery and second motor output power It is divided into two-way and transmits to the sun gear and the gear ring, two groups of power and be passed to the planetary gear again and carry out coupling superposition, is superimposed Power afterwards is transmitted to the driving moment by the planet carrier again.
- 4. the transmission system of double cell group power supply as claimed in claim 3, it is characterised in that：When first power battery pack When breaking down, the rotary shaft that the first motor is stated in the first brake locks residence described in the entire car controller makes first motor Stop transmitting into action edge with the sun gear, the second power battery pack described in second motor controller controls is described the Two motors provide electric energy, second motor output power to the gear ring, and the ring gear against rotation simultaneously exports certain power extremely The planetary gear, then power to the planet carrier, the planet carrier is exported by the planetary gear again and outputs power to the row Carrier transmits power to the driving moment.
- 5. the transmission system of double cell group power supply as claimed in claim 4, it is characterised in that：When second power battery pack When breaking down, the rotary shaft of second brake pinning second motor described in the vehicle control unit controls, described second Motor stops transmitting into action edge with the gear ring, and electric energy is provided separately in the first power battery pack, and first motor individually produces Lively power to the sun gear, the sun gear rotates and will transmit power to the planetary gear, and power is again by the planetary gear Transmit to the planet carrier, the planet carrier and transmit power to the driving moment.
- 6. the transmission system of double cell group power supply as claimed in claim 5, it is characterised in that：When automobile regenerative braking, production Raw braking moment drives first motor and second motor to produce electric energy and respectively to described by the gear train First power battery pack and the charging of the second power battery pack.
- 7. the transmission system of double cell group power supply as claimed in claim 6, it is characterised in that：The biography of the double cell group power supply Dynamic system also includes the first charge port and the second charge port；First charge port is connected with first power battery pack, institute The second charge port is stated with second power battery pack to be connected；When automobile charges, first charge port and described second is filled Power port realizes quick charge to first power battery pack and second power battery pack respectively simultaneously.
- 8. the transmission system of double cell group power supply as claimed in claim 7, it is characterised in that：First power battery pack and Second power battery pack is made up of multiple in parallel and/or series connection cell respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710683168.0A CN107554324A (en) | 2017-08-11 | 2017-08-11 | The transmission system of double cell group power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710683168.0A CN107554324A (en) | 2017-08-11 | 2017-08-11 | The transmission system of double cell group power supply |
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| Publication Number | Publication Date |
|---|---|
| CN107554324A true CN107554324A (en) | 2018-01-09 |
Family
ID=60975308
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710683168.0A Pending CN107554324A (en) | 2017-08-11 | 2017-08-11 | The transmission system of double cell group power supply |
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| CN (1) | CN107554324A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556639A (en) * | 2018-01-20 | 2018-09-21 | 温岭市志创网络科技有限公司 | New-energy automobile |
| CN108583327A (en) * | 2018-04-25 | 2018-09-28 | 南京越博动力系统股份有限公司 | A kind of power management system of Double battery electric vehicle |
| CN112158106A (en) * | 2020-10-26 | 2021-01-01 | 合肥工业大学 | Charging control circuit of electric automobile with double battery systems and control method thereof |
| CN112519580A (en) * | 2019-09-17 | 2021-03-19 | 顺丰科技有限公司 | Vehicle control system and control method |
-
2017
- 2017-08-11 CN CN201710683168.0A patent/CN107554324A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556639A (en) * | 2018-01-20 | 2018-09-21 | 温岭市志创网络科技有限公司 | New-energy automobile |
| CN108583327A (en) * | 2018-04-25 | 2018-09-28 | 南京越博动力系统股份有限公司 | A kind of power management system of Double battery electric vehicle |
| CN108583327B (en) * | 2018-04-25 | 2021-12-28 | 南京越博动力系统股份有限公司 | Electric quantity management system of double-battery electric vehicle |
| CN112519580A (en) * | 2019-09-17 | 2021-03-19 | 顺丰科技有限公司 | Vehicle control system and control method |
| CN112519580B (en) * | 2019-09-17 | 2022-10-21 | 顺丰科技有限公司 | Vehicle control system and control method |
| CN112158106A (en) * | 2020-10-26 | 2021-01-01 | 合肥工业大学 | Charging control circuit of electric automobile with double battery systems and control method thereof |
| CN112158106B (en) * | 2020-10-26 | 2022-02-01 | 合肥工业大学 | Charging control circuit of electric automobile with double battery systems and control method thereof |
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