CN110182036A - A kind of integrated form third gear power drive system - Google Patents
A kind of integrated form third gear power drive system Download PDFInfo
- Publication number
- CN110182036A CN110182036A CN201811536515.8A CN201811536515A CN110182036A CN 110182036 A CN110182036 A CN 110182036A CN 201811536515 A CN201811536515 A CN 201811536515A CN 110182036 A CN110182036 A CN 110182036A
- Authority
- CN
- China
- Prior art keywords
- gear
- clutch
- output shaft
- brake
- jackshaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 85
- 230000008859 change Effects 0.000 claims abstract description 18
- 230000002146 bilateral effect Effects 0.000 claims description 34
- 230000001360 synchronised effect Effects 0.000 claims description 33
- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000000523 sample Substances 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005183 dynamical system Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of integrated form third gear power drive systems, including electronic parking system, electric machine controller MCU, cabinet, the driving motor being drivingly connected in the cabinet and successively, speed change system, main reducing gear, differential mechanism, clutch brake are set, the electric machine controller MCU and driving motor are electrically connected, and the output end of the differential mechanism connects wheel by jack shaft.Present invention is mainly utilized as pure electric automobile or the integrated electric drive axles of hybrid vehicle, can be achieved the functions such as driving motor speed regulation, power shift, electronic parking, the rotation of semiaxis differential, Brake energy recovery, realization gear ring, planet carrier and output shaft be mechanically connected with separate, the movement of planetary mechanism gear ring and planet carrier element.Determine that driving motor to the power transfer path of semiaxis, realizes three forwards by planetary mechanism by clutch brake.The system makes gearbox export locking by TCU and executing agency, realizes electronic parking function.
Description
Technical field
The present invention relates to integrated electric drive systems, drive more particularly to a kind of electricity that three gear power shift planetaries can be achieved
Dynamic system, it is specifically a kind of that there are the function such as electric machine speed regulation, power shift, electronic parking, the rotation of semiaxis differential, Brake energy recovery
The power drive system of energy.
Background technique
Under the background that energy-saving and environmental protection, sustainable development are paid close attention to jointly by countries in the world, the new energy vapour such as electric car
Vehicle becomes one of the important channel that field of traffic realizes energy-saving and emission-reduction.In order to improve the service performance of electric car, it usually needs
Battery, automatically controlled, motor driven systems cost performance are improved, and technical bottleneck and Research Emphasis generally acknowledged at present is in power battery
Performance improves the reduction with cost.For drive system of electric automobile, due to driving motor can be exported under zero speed high torque,
Speed-regulating range width (can reach 15000rpm at a high speed), peak power section are big, therefore the structure of the direct-connected single gear gearbox of driving motor
The advantages of type can meet vehicle driving demand, this configuration, is that structure is simple, control object is unique, at low cost, but single grade
Speed change will combine high low-speed performance, higher to the performance requirement of motor, while under lower speed, and motor works in efficiency
Only 60-70% inefficient area.In order to promote Full Vehicle Dynamics performance and economy, carrying multi gear speed change system is electric drive
The development trend of dynamic system.The operation interval of multiple adjustable motors of gear, makes motor be worked as far as possible in efficient region,
The requirement of (low speed climbing, acceleration and limit speed etc.) to driving motor is more under same Full Vehicle Dynamics performance simultaneously
It is low, to reduce the size and quality of motor.It is current studies have shown that compared to single grade speed change system of multi gear speed change system can mention
The power performance and course continuation mileage of high vehicle, but gear number cannot excessively bring the promotion of apparent dynamic property and economy, together
When will lead to power drive system and integrate the problems such as difficulty big, quality and volume increase, control system complicates, therefore research and development at present
Gear number be mostly 2-4.
The multi gear position speed change system direct-connected for motor-mechanical transmission, if taking electrical control automatic manual transmission case
(AMT) configuration when the phenomenon that then will appear power interruption, i.e. system switching gear, can pluck neutral gear first, using synchronizer and
The means such as motor active synchronization make bonding part rotational speed difference reach target zone, and before engagement is completed, motor output is moved
Power can not pass to jack shaft.Power interruption phenomenon can bring detrimental effect to vehicle accelerating ability and riding comfort.It will move
Power be divided to the double-clutch automatic gearbox (DCT) of two paths alternately output can possess AMT intrinsic efficient advantage,
The shortcomings that avoiding power interruption phenomenon simultaneously realizes power shift.But DCT configuration complexity is higher, and the same engaging tooth of gear number
Wheel logarithm is identical, therefore the more than third gear and third gear above DCT configuration also needs additional synchronizer to realize gear switch, causes
Control system is in gear-shifting actuating mechanism complexity.
In order to keep multi gear position speed change system compact-sized, current many electric automobile gear-boxes are designed as planetary gear speed-changing
Configuration, for simple planetary arrangement, once it is determined that input component, can pass through three kinds of paths and realize power outputs --- with
The independent output power of other two component and two components couple output power.But the epicyclic transmission researched and developed at present is equal
It takes a component to export the working method that another component individually exports, at most realizes two gears in this case, and wherein
One gear ratios is 1, is unfavorable for speed ratio optimization.
Summary of the invention
It is a primary object of the present invention to, keep double-clutch speed changer power shift the advantages of, while utilize single planet
Power input is divided two-way to export by gear, realizes that three speed ratios are not 1 gear.
In order to achieve the above-mentioned object of the invention, present invention employs following technical solutions:
A kind of integrated form third gear power drive system, including electronic parking system, electric machine controller MCU, cabinet, setting exist
Driving motor, speed change system, main reducing gear, the differential mechanism being drivingly connected in the cabinet and successively, the electric machine controller MCU
It is electrically connected with driving motor；The output end of the differential mechanism connects wheel, the speed change system packet by jack shaft
Include planetary gear mechanism, inside engaged gear to, the first jackshaft, external gear pump to, the second jackshaft, output shaft, two points
Not Jian Ce driving motor and output shaft revolving speed speed probe, gear box control unit TCU and gear shift driving mechanism, the row
Star gear mechanism includes sun gear, gear ring, planet carrier, several planetary gears, and the output shaft of the driving motor is connected with sun gear
It connects, the gear ring is passed through by inside engaged gear to the second jackshaft, output shaft and main reducing gear, the planet carrier is sequentially connected
Second jackshaft, external gear pump are to the input terminal for being sequentially connected output shaft and main reducing gear；The inside engaged gear
It is changed with described being provided on the transmission parts on the transmission parts between output shaft, between the planet carrier and output shaft
The clutch brake of shelves driving mechanisms control connection；The electronic parking system and main reducing gear control connect；It is described
Gear box control unit TCU respectively with the gear shift driving mechanism, electronic parking system, two speed probes, the motor control
Device MCU electrical connection processed.
Further, the clutch brake includes first clutch, second clutch, the first brake, second
Brake, first brake are connected with the first jackshaft, control gear ring be in rotation or fixed constraint state, described first
Clutch one end connects the first jackshaft, and the other end connects output shaft；Described second clutch one end is connect with planet carrier, another
The other end of end and the second intermediate axis connection, second jackshaft is connected by the external gear pump pair with the output shaft
It connects, the second brake is connect with planet carrier, and control planet carrier is in rotation or fixed constraint state；The output axis connection
The main reducing gear input terminal；The gear shift driving mechanism respectively with first clutch, second clutch, the first brake,
The control connection of two brakes；
Further, the clutch brake includes the first bilateral synchronous device, the second bilateral synchronous device, hollow shaft
It covers, the splined hub of the first bilateral synchronous device is often engaged on first jackshaft, the first bilateral synchronous device both sides
Engagement gear ring is respectively fixedly connected in cabinet and output shaft；The hollow shaft sleeve rotationally cover on the output shaft and with external toothing tooth
The driven wheel of wheel pair is connected, and the hollow shaft sleeve outer wall connects the splined hub of the second bilateral synchronous device, and described second pair
The engagement gear ring on side synchronizer both sides is respectively fixedly connected in the cabinet and output shaft；The gear shift driving mechanism respectively with first pair
Side synchronizer, the control connection of the second bilateral synchronous device.
Further, the electronic parking system includes the parking driving motor and parking mechanical locking machine being drivingly connected
Structure, the parking driving motor and gear box control unit TCU are electrically connected, and the parking mechanical locking mechanism subtracts with the master
The driving tooth locking cooperation of Driven Gear of Final Reduction Gear pair in fast device.
Further, first jackshaft and the output shaft coaxial line, second jackshaft with it is described defeated
Shaft is parallel.
Further, the differential mechanism is mechanical differential gear box, limited-slip differential or electricity-liquid/Electromagnetic Control multi-disc
Clutch differential mechanism.
Further, the planetary gear mechanism is single planetary mechanism or combined type planetary gear mechanism.
Further, the first clutch, second clutch are dry type, wet type or electromagnetic clutch.
Further, the first clutch, the clutch that second clutch is monolithic or multi-disc；First braking
Device, the brake that second brake is monolithic or multi-disc.
Further, the gear shift driving mechanism is hydraulic drive mechanism, air pressure driving mechanism or motor-driven mechanism.
Compared with the existing technology, the present invention has the advantage that
(1) planet carrier/ring gear coupling output may be implemented in the working condition for taking full advantage of single planet speed change mechanism
(one grade), planet carrier individually export (high gear 1), ring gear and individually export (high gear 2), compared to general two gear
Simple planetary arrangement increases a gear number.
(2) conventional simple planetary arrangement top gear speed ratio must be 1, and three different stalls speed ratios of the invention are with parameter
It is adjustable, be conducive to speed ratio optimization.
(3) using double clutch configurations, it can be realized power failure-free gear switch, in conjunction with the coupling of simple planetary arrangement
Output state is closed, increases a gear number compared to general two couples of fixed axis gear DCT.
(4) in addition to external gear pump pair and jackshaft, most components are transmitting power or lockup state, compared with DCT,
Lost motion components are few, and power transmission efficiency is high, and running noises are small.
Detailed description of the invention
Fig. 1 is the structure principle chart of the embodiment of the present invention 1.
Fig. 2 is the power flow diagram of low-speed forward gear in the embodiment of the present invention 1.
Fig. 3 is the power flow diagram of 1 high speed forward 1 of the embodiment of the present invention.
Fig. 4 is the power flow diagram of 1 high speed forward 2 of the embodiment of the present invention.
Fig. 5 is the structure principle chart of the embodiment of the present invention 2.
Fig. 6 is the power flow diagram of low-speed forward gear in the embodiment of the present invention 2.
Fig. 7 is the power flow diagram of 2 high speed forward 1 of the embodiment of the present invention.
Fig. 8 is the power flow diagram of 2 high speed forward 2 of the embodiment of the present invention.
In figure: 10- cabinet；11- electric machine controller MCU；12- driving motor；13- gear box control unit TCU13；14-
Gear shift driving mechanism；15- parking driving motor；16- parking mechanical locking mechanism；17- speed probe；21- sun gear；22-
Gear ring；23- planet carrier；The first brake of 31-；32- first clutch；33- second brake；34- second clutch；35-
First bilateral synchronous device；36- the second bilateral synchronous device；41- inside engaged gear pair；The first jackshaft of 42-；The second jackshaft of 43-；
44- external gear pump pair；45- output shaft；46- hollow shaft sleeve；51- Driven Gear of Final Reduction Gear pair；52- differential mechanism；53- driving half
Axis；54- wheel.
Specific embodiment
For a better understanding of the invention, the present invention is further illustrated with reference to the accompanying drawings and examples, but this hair
Bright embodiment is without being limited thereto.
Embodiment 1
As shown in Figure 1, a kind of integrated form third gear power drive system, main to pass through control simple planetary arrangement output section
The state of part-gear ring and planet carrier determines the path of power output.Including electronic parking system, electric machine controller MCU, case
Driving motor 12, speed change system, main reducing gear, the differential mechanism being drivingly connected in the cabinet 10 and successively is arranged in body 10
52, the electric machine controller MCU11 and driving motor 12 are electrically connected；The output end of the differential mechanism 52 passes through driving half
Axis 53 connects wheel 54, and power branches to jack shaft 53 by differential mechanism 52, and then drives wheel 54.The speed change system
Including planetary gear mechanism, inside engaged gear to the 41, first jackshaft 42, external gear pump to the 44, second jackshaft 43, output
45, two, axis detects the speed probe 17 of driving motor 12 and 45 revolving speed of output shaft, gear box control unit TCU respectively and changes
Shelves driving mechanism 14, the planetary gear mechanism includes sun gear 21, gear ring 22, planet carrier 23, several planetary gears, the driving
The output shaft of motor 12 is connected with sun gear 21, and the gear ring 22 is sequentially connected among second by inside engaged gear to 41
Axis 42, output shaft 45 and main reducing gear, the planet carrier 23 are successively connected by second jackshaft 43, external gear pump to 44
Connect the input terminal of output shaft 45 and main reducing gear；The inside engaged gear on the transmission parts between 41 and output shaft 45,
It is provided on transmission parts between the planet carrier 23 and output shaft 45 and the gear shift driving mechanism 14 control connection
Clutch brake；The electronic parking system and main reducing gear control connect, and the parking including drive connection drives electricity
Machine 15 and parking mechanical locking mechanism 16, the parking driving motor 15 and gear box control unit TCU is electrically connected, described to stay
Driven Gear of Final Reduction Gear cooperates 51 driving tooth locking in vehicle mechanical locking mechanism 16 and the main reducing gear, i.e., the described main deceleration
The driving gear of device gear mesh 51 is controlled by mechanical locking mechanism 16.The gear box control unit TCU respectively with the gear shift
Driving mechanism 14, electronic parking system, two speed probes 17, electric machine controller MCU11 electrical connection.
The clutch brake includes first clutch 32, second clutch 34, the braking of the first brake 31, second
Device 33, first brake 31 are connected with the first jackshaft 42, and control gear ring 22 is in rotation or fixed constraint state, described
32 one end of first clutch connects the first jackshaft 42, and the other end connects output shaft 45；Described 34 one end of second clutch and row
Carrier 23 connects, and the other end is connect with the second jackshaft 43, and the other end of second jackshaft 43 passes through the external toothing tooth
Wheel is connected to 44 with the output shaft 45, and the second brake 33 is connect with planet carrier 23, and control planet carrier 23 is in rotation
Turn or fixed constraint state；The output shaft 45 connects the main reducing gear input terminal；The gear shift driving mechanism 14 respectively with
First clutch 32, second clutch 34, the first brake 31, the control connection of second brake 33.
In the present embodiment, there are two the sun of the simple planetary arrangement of freedom degree for driving motor output shaft connection tool
Wheel, the characteristic coefficient of planetary gear mechanism are α, sun wheel speed ni, internal tooth wheel speed n1, planet carrier revolving speed n2, output shaft revolving speed
no.Power is moved to by fixed axis gear Inside gear drive and is exported on the jackshaft of axis coaxial line by gear ring, inside engaged gear
It is k to transmission ratio1, planet carrier is driven by fixed axis gear external toothing and shifts power in the case that planet carrier side clutch engages
To output shaft, while this also acts as planet carrier rotation commutation to guarantee output shaft under forward external gear pump
Direction of rotation is consistent, and inside engaged gear is k to transmission ratio2.Situation is transmitted according to the different power of gear ring and three kinds of planet carrier, it can
To obtain the forward of three different speed ratios.
The information transmitting of the integrated form third gear power drive system and control section include driving motor 12, gearbox control
Unit TCU 13, electric machine controller MCU11, gear shift driving mechanism 14, parking driving motor 15, parking mechanical locking mechanism 16 with
For measuring two speed probes 17 of output shaft and output shaft revolving speed, electric machine controller MCU11 needs to acquire gearbox control
The information of the state of unit TCU 13 processed and two speed probes 17, gear box control unit 13 need to acquire gear shift driving mechanism
14, the information of parking driving motor 15 and speed probe 17.By the co-ordination of control module and machine driving module,
7 kinds of different working conditions may be implemented in the integrated form third gear power drive system, as shown in table 1.
1 embodiment of table, 1 integrated electric drive system working condition
*Motor reversal when reverse gear, dynamical system are in low gear；
*It allows dynamical system to be in high gear when feedback braking generally to guarantee generating efficiency, is with high gear 2 in table
Example.
Specific works mode is as follows:
(1) neutral gear: gear box control unit TCU 13 is instructed according to the neutral gear that driver or system are sent, and will control signal
Be sent to gear shift driving mechanism 14, control brake, the first brake 31, second brake 33, first clutch 32, second from
Clutch 34 is in free state all in discrete state, planetary gear mechanism, and power is no longer transferred to output shaft 45.
(2) low or first gear: under the operating conditions such as vehicle start, gear box control unit TCU 13, which controls gear shift driving mechanism 14, makes the
One brake 31, second brake 33 separate, and first clutch 32, second clutch 34 engage, at this time gear ring 22 and planet carrier
23 dynamic outputs, single planetary gear become closing transmission mechanism, and power is after gear ring 22 is shunted with planet carrier 23 defeated
Shaft 45 converges, system power stream are as follows:
The characteristic equation of transmission system are as follows:
ni+αn1=(1+ α) n2
no=n1/k1=-n2/k2
Low gear transmission ratio can be obtained are as follows:
i1=ni/no=-[(k1+k2)α+k2]
Power flow is as shown in Figure 2.
(3) size relation of 1: two high gear speed ratio of top gear is by α, k1、k2Between relationship determine, the present embodiment is not
It compares, is illustrated by taking 1 content of table as an example.One grade is switched to gear box control unit TCU13 foundation revolving speed for top gear 1
The signal and drive demand of sensor 17 are switched to top gear 1 in due course, in this process, gear shift driving mechanism 14 make first from
Clutch 32 separates, and the first brake 31 engages at the same time, planetary gear machine while disconnecting the power output stream of gear ring 22
Structure has sun gear input-planet carrier output determination forms of motion, therefore power failure-free is realized in gearshift procedure.
Transmission ratio at this time is considered as sun gear output/planet carrier output planetary gear mechanism and combines with fixed axis gear
Two stage speed change, transmission ratio are as follows:
iH1=ni/no=-k2(α+1)
Power flow such as Fig. 3 shows, specific power flow are as follows: in 21-planet carrier of sun gear, 23-second clutch 34-the second
Between 43-external gear pump of axis to 44-output shafts 45.
(4) top gear 2: gear box control unit TCU 13 in due course will according to the signal and drive demand of speed probe 17
It is switched to top gear 2, by taking top gear 1 is switched to top gear 2 as an example, gear shift driving mechanism 14 engages first clutch 32, the
The separation of two clutches 34, to guarantee that power transfer path becomes exporting via gear ring 22, the first brake 31 divides at the same time
From second brake 33 engages, and so that planetary gear mechanism is had sun gear input-gear ring output determination forms of motion, therefore
Power failure-free is realized in gearshift procedure.
Power flow such as Fig. 4 shows that power only reaches output shaft 45, specific power flow via gear ring 22 are as follows: sun gear 21-
22-inside engaged gear of gear ring is to 41-the first 42-first clutch of jackshaft, 32-output shaft 45.
Transmission ratio at this time is considered as sun gear output/gear ring output planetary gear mechanism and combines two with fixed axis gear
Grade speed change, transmission ratio are as follows:
iH2=ni/no=-k1α。
(5) reverse gear: gear box control unit TCU 13, gear shift driving mechanism 14, the first brake 31, second brake
33, first clutch 32, the working condition of second clutch 34 are identical with low or first gear, and electric machine controller MCU 11 is according to practical need
Control driving motor 12 is asked to invert.
(6) electronic parking: when stationary vehicle needs locking gearbox, gear box control unit TCU 13 controls parking and drives
Dynamic motor 15 drive parking mechanical locking structure 16 by the Driven Gear of Final Reduction Gear on output shaft 45 to 51 driving gear locking,
Realize electronic parking function.
(7) feedback braking: when vehicle deceleration or brake, electric machine controller MCU11 control driving motor 12 is in generator
Operating mode, at the same gear box control unit TCU13 when so that the speed change system is in top gear 2 by gear shift driving mechanism 14 respectively from
Clutch, brake assembled state, realize efficient Brake energy recovery.
In addition, the present embodiment in power drive system cabinet by integrating parking driving motor 15 and parking mechanical locking
Mechanism 16, the instruction according to gear box control unit TCU13 realize electronic parking to main reducing gear driving gear mechanical locking
Function, drive module, speed-variable module also share cabinet with differential module and realize Integration Design.
The differential mechanism is mechanical differential gear box, limited-slip differential or electricity-liquid/Electromagnetic Control multiplate clutch differential
Device.The planetary gear mechanism is single planetary mechanism.The first clutch 32, second clutch 34 are dry type, wet type
Or electromagnetic clutch.The first clutch 32, the clutch that second clutch 34 is monolithic or multi-disc；First brake
31, second brake 33 is the brake of monolithic or multi-disc.The gear shift driving mechanism is hydraulic drive mechanism, air pressure driving machine
Structure or motor-driven mechanism.
Embodiment 2
As shown in figure 5, the present embodiment is unlike the first embodiment: two clutches, two brakes are changed to two
Bilateral synchronous device, one of bilateral synchronous device realize the function of the first brake 31, first clutch 32 in embodiment 1, control
Gear ring 22 processed is locked up or transmits power, another bilateral synchronous device realizes second brake 33, the second clutch in embodiment 1
The function of device 34, control planet carrier 23 are locked up or transmit power.
Specifically, the clutch brake includes the first bilateral synchronous device 35, the second bilateral synchronous device 36, hollow shaft
46 are covered, the splined hub of the first bilateral synchronous device 35, the first bilateral synchronous device are often engaged on first jackshaft 42
The engagement gear ring on 35 both sides is respectively fixedly connected in cabinet 10 and output shaft 45, realizes that jackshaft 42 is connected and constrains or transmit power to defeated
Shaft 45；The hollow shaft sleeve 46 rotationally covers on the output shaft 45 and is connected with external gear pump to 44 driven wheel
It connects, power is reached hollow shaft sleeve 46 to 44 by external gear pump by planet carrier 23, described in 43 outer wall of the hollow shaft sleeve connection
The engagement gear ring of the splined hub of second bilateral synchronous device 36,36 both sides of the second bilateral synchronous device is respectively fixedly connected in the case
Body 10 and output shaft 45 slide to cabinet 10 by 36 clutch collar of the second bilateral synchronous device or output shaft 45 engage gear ring and realizes sky
Spindle sleeve 46, which is connected, constrains or transmits power to output shaft 45.The gear shift driving mechanism 14 respectively with the first bilateral synchronous device
35, the second bilateral synchronous device 36 control connection.Other mechanical transfer kinetic currents are identical as embodiment in the present embodiment, do not do herein
It repeats.
In the present embodiment, gear box control unit TCU13 controls gear shift driving mechanism according to information input and drive demand
The mechanical action of 14 pair of first bilateral synchronous device 35, the second bilateral synchronous device 36, it is bilateral by the first bilateral synchronous device 35, second
The combined cover different location of synchronizer 36 combines available three forwards, and whens three different forwards and neutral gear is each same
It is as shown in table 2 to walk device working condition.Other function such as reverse gear, electronic brake, feedback braking mode and three gear speed
It is more identical than with embodiment 1, it is not repeated herein.
Table 2 embodiment, 2 three forwards correspond to synchronizer bonding state
Low or first gear system power stream are as follows:
Power flow such as Fig. 6 shows.
1 power flow of high and low shift are as follows:
Sun gear 23-external gear pump of 21- planet carrier is to 44- hollow shaft sleeve 46- the second bilateral synchronous device 36- output shaft
45, as Fig. 7 shows.
2 power flow of high and low shift are as follows:
Sun gear 22-inside engaged gear of 21- gear ring exports 41-the first jackshaft the 42-the first bilateral synchronous device 35-
Axis 45, as Fig. 8 shows.
Present invention is mainly utilized as the integrated electric drive axles of pure electric automobile or hybrid vehicle, it can be achieved that driving motor
The functions such as speed regulation, power shift, electronic parking, the rotation of semiaxis differential, Brake energy recovery.Tooth may be implemented by clutch
It circle, planet carrier and the mechanical connection of output shaft and separates, planetary mechanism gear ring, planet carrier element can control by brake
Movement.The power drive system is transmitted by the power that can determine driving motor to semiaxis that is used cooperatively of clutch and brake
Path can realize three forwards by single planetary mechanism.The power drive system can also make to become by TCU and executing agency
Fast case exports locking, realizes electronic parking function.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to of the invention
Some modifications and changes should also be as falling into the scope of the claims of the present invention.
Claims (10)
1. a kind of integrated form third gear power drive system, including electronic parking system, electric machine controller MCU, cabinet (10), setting exists
Driving motor (12), speed change system, main reducing gear, the differential mechanism (52) being drivingly connected in the cabinet (10) and successively, it is described
Electric machine controller MCU (11) and driving motor (12) are electrically connected；The output end of the differential mechanism (52) passes through jack shaft
(53) connect wheel (54), it is characterised in that: the speed change system include planetary gear mechanism, inside engaged gear to (41),
First jackshaft (42), external gear pump detect driving electricity to (44), the second jackshaft (43), output shaft (45), two respectively
The speed probe (17) of machine (12) and output shaft (45) revolving speed, gear box control unit TCU and gear shift driving mechanism (14), institute
Stating planetary gear mechanism includes sun gear (21), gear ring (22), planet carrier (23), several planetary gears, the driving motor (12)
Output shaft be connected with sun gear (21), the gear ring (22) is sequentially connected the second jackshaft to (41) by inside engaged gear
(42), output shaft (45) and main reducing gear, the planet carrier (23) pass through second jackshaft (43), external gear pump pair
(44) it is sequentially connected the input terminal of output shaft (45) and main reducing gear；The inside engaged gear to (41) and output shaft (45) it
Between transmission parts on, be provided on the transmission parts between the planet carrier (23) and output shaft (45) and the gear shift is driven
The clutch brake of motivation structure (14) control connection；The electronic parking system and main reducing gear control connect；It is described
Gear box control unit TCU respectively with the gear shift driving mechanism (14), electronic parking system, two speed probes (17), institute
State electric machine controller MCU (11) electrical connection.
2. integrated form third gear power drive system according to claim 1, it is characterised in that: the clutch brake packet
Include first clutch (32), second clutch (34), the first brake (31), second brake (33), first brake
(31) it is connected with the first jackshaft (42), control gear ring (22) is in rotation or fixed constraint state, the first clutch
(32) one end connection the first jackshaft (42), the other end connect output shaft (45)；Described second clutch (34) one end and planet
Frame (23) connection, the other end are connect with the second jackshaft (43), and the other end of second jackshaft (43) passes through to be nibbled outside described
It closes gear mesh (44) to be connected with the output shaft (45), the second brake (33) connect with planet carrier (23), control row
Carrier (23) is in rotation or fixed constraint state；The output shaft (45) connects the main reducing gear input terminal；The gear shift
Driving mechanism (14) respectively with first clutch (32), second clutch (34), the first brake (31), second brake (33)
Control connection.
3. integrated form third gear power drive system according to claim 1, it is characterised in that: the clutch brake packet
The first bilateral synchronous device (35), the second bilateral synchronous device (36), hollow shaft sleeve (46) are included, is often nibbled on first jackshaft (42)
The splined hub of the first bilateral synchronous device (35) is closed, the engagement gear ring on the first bilateral synchronous device (35) both sides is respectively fixedly connected
In cabinet (10) and output shaft (45)；The hollow shaft sleeve (46) rotationally cover on the output shaft (45) and with external toothing tooth
Wheel is connected to the driven wheel of (44), and hollow shaft sleeve (43) outer wall connects the spline of the second bilateral synchronous device (36)
The engagement gear ring of hub, the second bilateral synchronous device (36) both sides is respectively fixedly connected in the cabinet (10) and output shaft (45)；Institute
Gear shift driving mechanism (14) is stated to connect with the first bilateral synchronous device (35), the control of the second bilateral synchronous device (36) respectively.
4. integrated form third gear power drive system according to claim 1, it is characterised in that: the electronic parking system packet
Include the parking driving motor (15) and parking mechanical locking mechanism (16) of drive connection, the parking driving motor (15) and speed change
Case control unit TCU electrical connection, the parking mechanical locking mechanism (16) and Driven Gear of Final Reduction Gear pair in the main reducing gear
(51) driving tooth locking cooperation.
5. integrated form third gear power drive system according to claim 1, it is characterised in that: first jackshaft (42) with
Output shaft (45) coaxial line, second jackshaft (43) are parallel with the output shaft (45).
6. integrated form third gear power drive system according to claim 1, it is characterised in that: the differential mechanism is mechanical poor
Fast device, limited-slip differential or electricity-liquid/Electromagnetic Control multiplate clutch differential mechanism.
7. integrated form third gear power drive system according to claim 1, it is characterised in that: the planetary gear mechanism is
Single planetary mechanism or combined type planetary gear mechanism.
8. integrated form third gear power drive system according to claim 2, it is characterised in that: the first clutch (32),
Second clutch (34) is dry type, wet type or electromagnetic clutch.
9. integrated form third gear power drive system according to claim 2, it is characterised in that: the first clutch
(32), second clutch (34) is the clutch of monolithic or multi-disc；First brake (31), second brake (33) be monolithic or
The brake of multi-disc.
10. integrated form third gear power drive system according to claim 1, it is characterised in that: the gear shift driving mechanism
It (14) is hydraulic drive mechanism, air pressure driving mechanism or motor-driven mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536515.8A CN110182036A (en) | 2018-12-14 | 2018-12-14 | A kind of integrated form third gear power drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536515.8A CN110182036A (en) | 2018-12-14 | 2018-12-14 | A kind of integrated form third gear power drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110182036A true CN110182036A (en) | 2019-08-30 |
Family
ID=67713589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811536515.8A Pending CN110182036A (en) | 2018-12-14 | 2018-12-14 | A kind of integrated form third gear power drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110182036A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043852A (en) * | 2021-04-02 | 2021-06-29 | 联合汽车电子有限公司 | Electronic parking system, vehicle control system and vehicle |
| CN114771242A (en) * | 2022-04-25 | 2022-07-22 | 特百佳动力科技有限公司 | Coaxial electric drive bridge and automobile |
| WO2022243101A1 (en) * | 2021-05-19 | 2022-11-24 | Zf Friedrichshafen Ag | Passenger car having an electric rear-wheel drive |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101002039A (en) * | 2004-11-02 | 2007-07-18 | 日产自动车株式会社 | Automatic transmission |
| CN104948686A (en) * | 2014-03-25 | 2015-09-30 | 西门子公司 | Gear system with two transmission stages and vehicle |
| CN105546061A (en) * | 2016-01-19 | 2016-05-04 | 无锡商业职业技术学院 | Seven-gear planetary gear automatic transmission |
| CN209756788U (en) * | 2018-12-14 | 2019-12-10 | 华南理工大学 | Integrated three-gear electric drive system |
-
2018
- 2018-12-14 CN CN201811536515.8A patent/CN110182036A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101002039A (en) * | 2004-11-02 | 2007-07-18 | 日产自动车株式会社 | Automatic transmission |
| CN104948686A (en) * | 2014-03-25 | 2015-09-30 | 西门子公司 | Gear system with two transmission stages and vehicle |
| CN105546061A (en) * | 2016-01-19 | 2016-05-04 | 无锡商业职业技术学院 | Seven-gear planetary gear automatic transmission |
| CN209756788U (en) * | 2018-12-14 | 2019-12-10 | 华南理工大学 | Integrated three-gear electric drive system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043852A (en) * | 2021-04-02 | 2021-06-29 | 联合汽车电子有限公司 | Electronic parking system, vehicle control system and vehicle |
| WO2022243101A1 (en) * | 2021-05-19 | 2022-11-24 | Zf Friedrichshafen Ag | Passenger car having an electric rear-wheel drive |
| CN114771242A (en) * | 2022-04-25 | 2022-07-22 | 特百佳动力科技有限公司 | Coaxial electric drive bridge and automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104728371B (en) | Speed changer | |
| US20170282702A1 (en) | Hybrid transmission having fixed gear shift stage | |
| CN104728372B (en) | Speed changer | |
| CN106864247B (en) | Hybrid power system for vehicle | |
| CN203516615U (en) | Speed changer | |
| CN208232814U (en) | A kind of vehicle dual power source double drive assembly | |
| CN107878171A (en) | A kind of dual-motor drive system and its control method | |
| CN103527726B (en) | Speed changer | |
| JPH0712185A (en) | Power train and power transmission | |
| CN110182036A (en) | A kind of integrated form third gear power drive system | |
| CN107215202B (en) | The multi-model coupling drive system of multi power source | |
| CN104755805B (en) | Dual clutch transmission | |
| CN106195194B (en) | A kind of electric drive axle system and its control method based on two-gear transmission | |
| CN111319449A (en) | Hybrid power coupling system and vehicle | |
| CN113276658A (en) | Two keep off bi-motor planet row power split drive system | |
| CN111907320B (en) | Hybrid power transmission, control method and vehicle | |
| CN106051147A (en) | Electric automobile transmission | |
| CN111376699A (en) | Hybrid power coupling system and vehicle | |
| CN107606076A (en) | A kind of two gear power transmissions with synchronizer | |
| CN108394264A (en) | Four-gear hybrid power assembly | |
| CN106314136A (en) | Electric drive bridge system based on single planet row two speed transmission and control method thereof | |
| CN209756788U (en) | Integrated three-gear electric drive system | |
| CN207378073U (en) | A kind of two gear power transmissions with Shuangzi planet row | |
| CN111376700B (en) | Hybrid power coupling system and vehicle | |
| CN109695668A (en) | Pure electric automobile two gear gearboxes and pure electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |