CN105329085B - Power drive system for vehicle and the vehicle with the power drive system - Google Patents
Power drive system for vehicle and the vehicle with the power drive system Download PDFInfo
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- CN105329085B CN105329085B CN201410374622.0A CN201410374622A CN105329085B CN 105329085 B CN105329085 B CN 105329085B CN 201410374622 A CN201410374622 A CN 201410374622A CN 105329085 B CN105329085 B CN 105329085B
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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
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- Y02T10/62—Hybrid vehicles
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Abstract
The invention discloses a kind of vehicle and its power drive system, the power drive system includes：Differential mechanism, each differential mechanism clutch end are connected with corresponding wheel by semiaxis respectively；It is located at two the first dynamotor of differential mechanism both sides respectively；The first and second input shafts being coaxially arranged, engine are arranged to and at least one engagement in the first and second input shafts；Output shaft, output shaft and the first and second input shafts carry out cooperation transmission, output shaft overhead set is provided with the output shaft output gear engaged with main reducing gear driven gear, and synchronizer, which is located on output shaft, to be used to engage output shaft output gear, and two the first dynamotor coordinate with output shaft to be driven；Coordinate the second dynamotor of transmission with main reducing gear driven gear.The power drive system of the present invention respectively arranges first dynamotor in the both sides of differential mechanism, so that the center of gravity of power drive system, which is tried one's best, is in the center of vehicle bridge.
Description
Technical field
It is more particularly, to a kind of power drive system for vehicle and dynamic with this present invention relates to automobile technical field
The vehicle of power transmission system.
Background technology
Chinese invention patent application (application number：201010252131.0) a kind of integrated motor-driven system is disclosed,
It includes a motor, one speed reducer, a differential mechanism and two power transmission shafts, and differential mechanism both sides connect two power transmission shafts respectively, and motor leads to
Decelerator is crossed to output power to differential mechanism.The power transmission system structure relative compact, integrated level are high.
But inventor has found, because the motor in the power drive system is one and will be dynamic by gear reduction unit
Power is exported to differential mechanism, causes the half shaft length difference at left and right sides of differential mechanism, and the center of gravity of power drive system is located at differential mechanism
Side, system balance is poor, and motor is difficult to be always held in preferable operation interval.Moreover, a motor is
Main power source, once the motor breaks down, then whole power drive system can be caused to run out of steam, vehicle can not be driven normal
Traveling.
The content of the invention
It is contemplated that at least solves one of above-mentioned technical problem of the prior art to a certain extent.
Therefore, it is an object of the present invention to propose a kind of power drive system for vehicle, the PWTN
System respectively arranges first dynamotor in the both sides of differential mechanism, so that the center of gravity of power drive system is located as far as possible
In the center of vehicle bridge, while two the first dynamotor can be adjusted mutually so that the first dynamotor is at
In preferable working range, transmission system is improved.
It is another object of the present invention to propose a kind of vehicle with above-mentioned power drive system.
Power drive system according to embodiments of the present invention, including：There are two differential mechanisms to move for differential mechanism, the differential mechanism
Power output end, each differential mechanism clutch end are connected with the wheel of the side by semiaxis respectively；Main reducing gear driven tooth
Wheel, the main reducing gear driven gear are located on the differential mechanism；Two the first dynamotor, described two first electronic hairs
Motor is located at the both sides of the differential mechanism respectively, and coaxially empty set is arranged on the described of the side to each first dynamotor
On semiaxis；Engine；First input shaft and the second input shaft, second input shaft are coaxially set in first input shaft
On, between the engine and the input shaft carry out power transmission when the engine be arranged to optionally with it is described
At least one engagement in first input shaft and second input shaft；Output shaft, the output shaft and first input shaft
Cooperation transmission is carried out with second input shaft, the output shaft overhead set is provided with output shaft output gear, the output shaft
Output gear engages with the main reducing gear driven gear, wherein described two first dynamotor coordinate with the output shaft
Transmission；Synchronizer, the synchronizer are arranged on the output shaft and are arranged to the alternative engagement output shaft output gear
Wheel；And second dynamotor, second dynamotor is arranged to and the main reducing gear driven gear coordinates and is driven.
Power drive system according to embodiments of the present invention in differential mechanism both sides by respectively setting first dynamoelectric and power generation
Machine so that power drive system has preferable symmetry, and its center of gravity can be located at the position among vehicle bridge or among vehicle bridge
Put, while two the first dynamotor are linked by output shaft, two the first dynamotor is mutually adjusted,
Ensure that motor is in preferable working range, improve transmission efficiency.Also, the first dynamotor also has regulation defeated
Go out the effect of rotating speed, the joint efficiency of synchronizer can be improved.Even if there is event in one of them first dynamotor
After barrier, another first dynamotor still can meet the power needed for normal vehicle operation with normal work, play standby dynamic
The effect in power source.
In addition, by setting up engine, a power source is not only increased, but also enrich the mould of power drive system
Formula and dynamic property is improved, and can be coupled to motor power by the conjugation of synchronizer defeated for the power from engine
Shaft, matched with the first dynamotor to drive vehicle to travel jointly or drive the first dynamotor to be generated electricity.
A kind of in addition, embodiment according to a further aspect of the invention, it is also proposed that car for including above-mentioned power drive system
.
Brief description of the drawings
Fig. 1 is the schematic diagram of power drive system according to an embodiment of the invention；
Fig. 2 is the schematic diagram of power drive system in accordance with another embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
Description is of the invention to be described with simplified, rather than the device or element of instruction or hint meaning must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Sign is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Power drive system 100 according to embodiments of the present invention, the PWTN are described in detail below with reference to Fig. 1-Fig. 2
System 100 can apply in vehicle, in the mixed dynamic power car particularly with engine and motor.
Power drive system 100 according to embodiments of the present invention can include 101, two the first dynamotor of differential mechanism
104th, engine 203, the first input shaft 201, the second input shaft 202, output shaft 205 and synchronizer 209.
The function of differential mechanism 101 is when turn inside diameter is travelled or travelled on uneven road surface, makes driving wheels 110
It can be rolled with different angular speed, so as to ensure to make PURE ROLLING between two side drive wheels and ground.
Differential mechanism 101 can be gear differential, more specifically, differential mechanism 101 can be symmetrical expression bevel gear differential
Device.Symmetrical expression bevel differential 101 can include differential casing, two axle shaft gears, planetary gear, planetary gear shafts
Parts such as (cross axles), planetary gear shaft are arranged in differential carrier body and can rotated with differential casing, planetary gear shaft
It can be engaged respectively with two axle shaft gears with one planetary gear of empty boasting, each planetary gear on each axle journal.
It should be appreciated that symmetrical expression bevel differential 101 has been prior art and has been the ordinary skill of this area
Known to personnel, therefore do not make specified otherwise for the detailed configuration and operation principle of symmetrical expression bevel differential 101 here.
Furthermore, it is desirable to explanation, above-mentioned is only schematically illustrate so that differential mechanism 101 is symmetrical expression bevel differential as an example, it is impossible to is managed
Solve to be a kind of limitation to the present invention or to imply that power drive system 100 according to embodiments of the present invention must use this
Symmetrical expression bevel differential.
Differential mechanism 101 has two clutch ends, and so that differential mechanism 101 is symmetrical expression bevel differential as an example, it two
Individual clutch end can be two axle shaft gears, each clutch end such as axle shaft gear wheel 110 with the side respectively
Be connected by semiaxis 108, that is to say, that one end of each semiaxis 108 be connected with axle shaft gear thus both can synchronous rotary, often
The other end of individual semiaxis 108 is connected with the wheel 110 of respective side.
Main reducing gear driven gear 102 is located on differential mechanism 101, and specifically, main reducing gear driven gear 102 can be set
On differential casing.For example, main reducing gear driven gear 102 can be bevel gear, the bevel gear can pass through rivet or spiral shell
Bolt is fixed on differential casing.
As shown in figure 1, two the first dynamotor 104 are located at the both sides of differential mechanism 101 respectively, i.e., each first is electronic
Generator 104 is respectively positioned between an output end of differential mechanism 101 and the side wheel 110.Each first dynamotor 104 is same
On the air-ground semiaxis 108 for being set on the side of axle, specifically, with reference to shown in Fig. 1, the motor shaft of the first dynamotor 104
Can be the structure of hollow shaft 109, the hollow shaft 109 can be arranged on empty set on corresponding semiaxis 108, and the first dynamotor
104 rotor can be arranged on empty set on corresponding semiaxis 108.
Because power drive system 100 according to embodiments of the present invention is respectively arranged with one in the both sides of differential mechanism 101
First dynamotor 104, so that the center of gravity of power drive system 100 according to embodiments of the present invention is at vehicle bridge
It is middle or close proximity to vehicle bridge among, avoid center of gravity from being heavily biased towards vehicle bridge side.
As shown in figure 1, the second input shaft 202 is coaxially set on the first input shaft 201, the second input shaft 202 can be with
With hollow-core construction, the first input shaft 201 can have solid construction.Enter action edge biography between engine 203 and input shaft
When dynamic, engine 203 be arranged to optionally with least one engagement in the first input shaft 201 and the second input shaft 202.
In other words, engine 203 can be engaged with the first input shaft 201 and disconnected with the second input shaft 202.Or start
Machine 203 can also disconnect with the first input shaft 201 and be engaged with the second input shaft 202.Furthermore engine 203 can simultaneously engage with
First input shaft 201 and the second input shaft 202.It is, of course, understood that the input shaft 201 and second of engine 203 and first
Input shaft 202 can also be simultaneously switched off, and now the power transmission between engine 203 and two input shafts is cut off.
Output shaft 205 can be used for the power output that power source exports to differential mechanism 101, so as to drive vehicle to travel.
Specifically, output shaft 205 is arranged to carry out cooperation transmission with the first input shaft 201 and the second input shaft 202, for example, at some
In embodiment, the transmission of action edge can be entered between output shaft 205 and two input shafts by shift gear pair, this will be below
It is described in detail, no longer says in detail here in conjunction with specific embodiments.
The empty set of output shaft output gear 208 is arranged on output shaft 205, that is to say, that output shaft output gear 208 is relative
Output shaft 205 can be rotated with differential, output shaft output gear 208 and the engaged transmission of main reducing gear driven gear 102, so as to power
It can be driven between output shaft output gear 208 and differential mechanism 101.
Wherein, two the first dynamotor 104 coordinate with output shaft 205 is driven, that is to say, that power can be first
It is driven between dynamotor 104 and output shaft 205, such as the power of the first dynamotor 104 output can pass through
Output shaft 205 is exported to differential mechanism 101, but not limited to this.It can be used between first dynamotor 104 and output shaft 205
Gear drive, this will in conjunction with specific embodiments be described in detail, no longer says in detail here below.
Thus, the first dynamotor 104 directly can be exported power to wheel by output shaft 205, differential mechanism 101
110, driving vehicle traveling, such driving-chain is shorter, therefore transmission efficiency is higher.
The first dynamotor 104 can also absorb kinetic energy from wheel 110 in turn and generate electricity simultaneously.Moreover, two
One dynamotor 104 can work simultaneously, and certain synchronization can also only have a motor working so that the work
Motor can be in preferable working range.
In addition, even if one of them first dynamotor 104 breaks down, another first dynamotor 104
Can also normal work provide power, ensure normal vehicle operation.
With reference to shown in Fig. 1, synchronizer 209 is arranged on output shaft 205 and is arranged to be selectively engageable output shaft defeated
Go out gear 208, in other words, synchronizer 209 is used to engage or disconnect output shaft 205 and output shaft output gear 208, in synchronizer
After 209 engagement output shaft output gears 208, output shaft output gear 208 and the synchronous rotary of output shaft 205 are disconnected in synchronizer 209
After opening, both can differential rotation.
In one of the embodiments, power drive system 100 also includes the second dynamotor 204, the second electronic hair
Motor 204, which is arranged to coordinate with main reducing gear driven gear 102, to be driven, that is to say, that power can be in the second dynamotor
It is driven between 204 and main reducing gear driven gear 102.For example, power can be directly output to by the second dynamotor 204
Differential mechanism 101 is with driving moment 110, but not limited to this.Wherein outputed power in the second dynamotor 204 to differential mechanism
During 101 driving vehicle, intermediate transmission part is minimum, and driving-chain is most short, and transmission efficiency is of a relatively high.It should be appreciated that another
In some unshowned embodiments, power drive system 100 can not also include the second dynamotor 204, in other words, with figure
The embodiment shown in 1 is compared, and the difference of the embodiment and embodiment in Fig. 1, which can be only that, lacks the second dynamotor
204, remaining construction then can be identical.
Thus, power drive system 100 according to some embodiments of the invention at least has four power sources, i.e., two
One dynamotor 104, engine 203 and second dynamotor 204, four power sources can coordinate driving car
, this will be described in detail in conjunction with specific embodiments below, no longer say in detail here.
As preferred embodiment, the length of two semiaxis 108 of the both sides of differential mechanism 101 could be arranged to it is identical, and
Further, two the first dynamotor 104 are symmetrically arranged on differential mechanism 101.As a result, implemented according to the present invention
The center of gravity of the power drive system 100 of example can be preferably located in the centre position of vehicle bridge or close to centre position so that power
The stability and balance of transmission system 100 are more preferably.Meanwhile semiaxis 108 is arranged to the identical semiaxis 108 of can also improving of length
Versatility, reduce cost.
It is to be understood that the present invention is not limited thereto, and in other embodiments of the invention, 101 liang of differential mechanism
The length of two semiaxis 108 of side can also be set as desired as difference.Identical above-mentioned semiaxis 108 is only the one of the present invention
Individual preferred embodiment, it is impossible to be not understood as limiting a kind of of the present invention.
With reference to shown in Fig. 1, in one embodiment, the phase of double clutch 210 can be passed through between engine 203 and input shaft
Even, double clutch 210 has input 213, the first output end 211 and the second output end 212, the input of double clutch 210
213 can be the housing of double clutch 210, and its output end 212 of the first output end 211 and second can be two clutch plates.One
As, housing and two clutch plates can all disconnect, i.e. the output end 211 of input 213 and first and the second output end 212
Disconnect, when needing to engage one of clutch plate, housing can be controlled to carry out engagement with corresponding clutch plate so as to synchronous rotation
Turn, i.e., input 213 engages with one of the first output end 211 and the second output end 212.
The kind of drive between input shaft and output shaft 205 is described in detail in conjunction with specific embodiments below.Such as
Shown in Fig. 1, driving gear 206 is provided with each in the first input shaft 201 and the second input shaft 202, it is accordingly, defeated
Driven gear 207 is provided with shaft 205, driven gear 207 accordingly engages with driving gear 206, wherein be engaged
Driving gear 206 forms shift gear pair with driven gear 207, passes through the shift gear pair between input shaft and output shaft 205
Carry out power transmission.
Specifically, shown in reference picture 1, in certain embodiments, the driving gear 206 on each input shaft is one and phase
The input shaft is fixedly installed, in other words, a driving gear 206 is fixedly installed on the first input shaft 201, an active
Gear 206 similarly, is also fixedly installed a driving gear with the synchronous axial system of the first input shaft 201 on the second input shaft 202
206, the synchronous axial system of 206 and second input shaft of driving gear 202.
Accordingly, two driven gears 207 are fixedly installed on output shaft 205, two driven gears 207 respectively with it is upper
Two driving gears 206 stated accordingly engage, and so as to form two shift gear pairs, thus engine 203 can be by this
Any one in two shift gear pairs outputs power to differential mechanism 101.
With reference to shown in Fig. 1, first motor gear is each provided with the motor shaft of two the first dynamotor 104
105, this two the first motor gears 105 accordingly engage with two driven gears 207 respectively.
As shown in figure 1, output shaft output gear 208 and synchronizer 209 can be located between two driven gears 207, this
When two driven gears 207 can be located at the both ends of output shaft 205.Or still optionally further, the He of output shaft output gear 208
Synchronizer 209 is positioned at the side of two driven gears 207.
In some embodiments of the invention, the second motor can be provided with the motor shaft of the second dynamotor 204
Gear 214, second motor gear 214 and the engaged transmission of main reducing gear driven gear 102, thus driving-chain is shorter, transmission effect
Rate is higher, can effectively reduce power loss of second dynamotor 204 in transmission.
With reference to shown in Fig. 1, two the first dynamotor 104 can move as power source output power, two parts simultaneously
Power can couple in 205 enterprising action edge of output shaft, and the power after coupling can distribute to the semiaxis of both sides by differential mechanism 101
108, final power is transferred to wheel 110, so as to drive vehicle to travel.
Alternatively, can only have in two the first dynamotor 104 one it is in running order, another may be at
Servo-actuated or generating state.Alternatively, the first dynamotor 104 can absorb braking energy or the first electricity when vehicle is braked
Dynamic generator 104 can absorb kinetic energy (being dragged by the way that wheel 110 is counter) at wheel 110, so as to be generated electricity.
Two the first dynamotor 104 can also be adjusted mutually, so that the first dynamotor 104 can be always
In preferable working range, transmission efficiency is improved, and after one of motor breaks down, another motor still may be used
With normal work, meet the power needed for normal vehicle operation, play the effect of back-up power source.
In addition, when synchronizer 209 does not engage and needs to be engaged, the first dynamotor 104 can pass through speedup
Or slow down and carry out the rotating speed of regulation output shaft 205, so as to match the rotating speed of main reducing gear driven gear 102, make output shaft 205 and master
The speed of retarder driven gearwheel 102 matches as far as possible, and then facilitates the engagement of synchronizer 209, when shortening the engagement of synchronizer 209
Between, reduce intermediate power loss.
Several typical conditions of power drive system 100 according to embodiments of the present invention are described in detail with reference to Fig. 1, should
Typical condition comprises at least：Pure electronic operating mode, series connection operating mode, operating mode in parallel, series-parallel connection operating mode, high speed traveling generate electricity, parking generates electricity
With energy feedback operating mode.
When power drive system 100 is in pure electronic operating mode, double clutch 210 and synchronizer 209 can with all off,
Now the first dynamotor 104 is stopped, and the second dynamotor 204 outputs power to differential mechanism 101, so as to drive
Vehicle travels.Or synchronizer 209 can engage output shaft output gear 208 as needed, so as to the first dynamotor
After 104 couple with the power of the second dynamotor 204 output at main reducing gear driven gear 102, distributed by differential mechanism 101
Wheel 110 to both sides.
When power drive system 100 is in series connection operating mode, the input 213 of double clutch 210 engages the first output end
211 and second one of the output end 212, synchronizer 209 disconnects, and the power that engine 203 exports passes through the first input shaft 201 or the
Two input shafts 202 are exported to two the first dynamotor 104, so as to drive two the first dynamotor 104 to generate electricity.Together
When, the wheel 110 to both sides is exported after distribution of the power by differential mechanism 101 of the second dynamotor 204 output, so as to drive
Motor-car travels.
When power drive system 100 is in operating mode in parallel, the input 213 of double clutch 210 engages the first output end
211 and second one of the output end 212, synchronizer 209 engage output shaft output gear 208, engine 203, the first dynamoelectric and power generation
The dynamotor 204 of machine 104 and second intervenes work simultaneously, driving vehicle traveling, realizes the maximization of power output.
When power drive system 100 is in series-parallel connection operating mode, the input 213 of double clutch 210 engages the first output end
211 and second one of the output end 212, synchronizer 209 engage output shaft output gear 208, the part that engine 203 exports is moved
Power drives two the first dynamotor 204 to generate electricity, another part power and the second dynamotor that engine 203 exports
Wheel 110 is distributed to by differential mechanism 101 after the power coupling of 204 outputs, so as to drive vehicle to travel.
When power drive system 100 is in high speed traveling and generated electricity, the engagement first of input 213 of double clutch 210 is defeated
Go out one of the output end 212 of end 211 and second, synchronizer 209 engages output shaft output gear 208, export one of engine 203
Sub-power drives the first dynamotor 104 and the second dynamotor 204 to generate electricity, and another part that engine 203 exports moves
Power distributes to wheel 110, driving vehicle traveling by differential mechanism 101.
When power drive system 100 is in parking generating operation mode, the engagement first of input 213 of double clutch 210 is defeated
Go out one of output end 212 of end 211 and second, synchronizer 209 disconnects, and the high-speed cruising of engine 203 drives two the first electronic hairs
Motor 104 generates electricity, and now the second dynamotor 204 is stopped.
When power drive system 100 is in energy feedback operating mode, vehicle is in deceleration or on-position, double clutch
210 disconnect, and synchronizer 209 can engage, and the first dynamotor 104 can pass through differential mechanism 101, the electricity of output shaft 205, first
Machine gear 105 and absorb the kinetic energy of wheel 110 so as to be generated electricity, the second dynamotor 204 can by differential mechanism 101,
Second motor gear 214 and absorb the kinetic energy of wheel 110 so as to be generated electricity.
Shown in reference picture 2, Fig. 2 is the schematic diagram of power drive system 100 in accordance with another embodiment of the present invention, the reality
Apply in example, differential mechanism 101 is arranged between two front-wheels, and for power to be distributed into two front-wheels, while the trailing wheel of vehicle is set
Wheel motor 301 is put, two rear wheels are driven respectively by two wheel motors 301.
To sum up, generally speaking, power drive system 100 according to embodiments of the present invention, by the both sides of differential mechanism 101
It is respectively arranged first dynamotor 104 so that power drive system 100 has preferable symmetry, and center of gravity is in car
Among bridge or closer to the position among vehicle bridge, and two the first dynamotor 104 are linked by output shaft 205 so that two
Individual first dynamotor 104 can be adjusted mutually, motor is operated in optimal scope always, and when a motor
After breaking down, another motor with normal work, can substantially increase the stability and reliability of power drive system 100.
In addition, power drive system 100 according to embodiments of the present invention can also realize driving rapid charge, stopping for charging with
And the multiple drive modes such as series connection, series-parallel connection, so as to preferably meet driving demand, while power according to embodiments of the present invention passes
Dynamic system 100 has multiple power sources, and dynamic property is strong, and integrated level is high, transmission efficiency, is advantageous to the balance of assembly system gravity
And the arrangement of semiaxis.
In addition, the first dynamotor 104 also acts as the effect of the rotating speed of regulation output shaft 205, need to connect in synchronizer 209
Can be with the rotating speed of regulation output shaft 205 during conjunction so that the rotating speed of output shaft 205 and the rotating speed of main reducing gear driven gear 102
Match somebody with somebody, synchronizer 209 quickly, is efficiently engaged, shorten engaging time, improve transmission efficiency, reduce energy loss.
In addition, the car for including power drive system 100 as described above is further provided according to an embodiment of the invention
.It should be appreciated that other compositions of vehicle according to embodiments of the present invention such as driving system, steering, braking system
System etc. has been prior art and has been well known for ordinary skill in the art, therefore the detailed description to conventional construction is herein
Omitted.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
What combined in an appropriate manner in one or more embodiments or example.In addition, those skilled in the art can say this
Different embodiments or example described in bright book are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (11)
- A kind of 1. power drive system for vehicle, it is characterised in that including：Differential mechanism, the differential mechanism have two differential mechanism clutch ends, each differential mechanism clutch end respectively with The wheel of the side is connected by semiaxis；Main reducing gear driven gear, the main reducing gear driven gear are located on the differential mechanism；Two the first dynamotor, described two first dynamotor are located at the both sides of the differential mechanism, Mei Gesuo respectively Stating the first dynamotor, coaxially empty set is arranged on the semiaxis of the side；Engine；First input shaft and the second input shaft, second input shaft is coaxially set on first input shaft, described The engine is arranged to optionally input with described first when power transmission is carried out between engine and the input shaft At least one engagement in axle and second input shaft；Output shaft, the output shaft carry out cooperation transmission, the output shaft with first input shaft and second input shaft Overhead set is provided with output shaft output gear, and the output shaft output gear engages with the main reducing gear driven gear, wherein Described two first dynamotor coordinate with the output shaft to be driven；Synchronizer, the synchronizer are arranged on the output shaft and are arranged to the alternative engagement output shaft output gear Wheel；Driving gear is each provided with first input shaft and second input shaft；AndDriven gear is provided with the output shaft, the driven gear accordingly engages with the driving gear；Each in first input shaft and second input shaft is fixedly installed a driving gear；Two driven gears are fixedly installed on the output shaft；AndThe first motor gear, two the first motor teeth are respectively arranged with the motor shaft of described two first dynamotor Wheel engages with described two driven gears respectively.
- 2. the power drive system according to claim 1 for vehicle, it is characterised in that first dynamotor Motor shaft for hollow shaft and on the semiaxis corresponding to being set in.
- 3. the power drive system according to claim 1 for vehicle, it is characterised in that the two of the differential mechanism both sides The length of individual semiaxis is identical.
- 4. the power drive system according to claim 1 for vehicle, it is characterised in that described two first electronic hairs Motor is symmetrically arranged on the differential mechanism.
- 5. the power drive system according to claim 1 for vehicle, it is characterised in that the output shaft output gear And the synchronizer is between described two driven gears.
- 6. the power drive system according to claim 1 for vehicle, it is characterised in that the output shaft output gear It is located at the side of described two driven gears with the synchronizer.
- 7. the power drive system according to claim 1 for vehicle, it is characterised in that also include：Second electronic hair Motor, second dynamotor, which is arranged to coordinate with the main reducing gear driven gear, to be driven.
- 8. the power drive system according to claim 7 for vehicle, it is characterised in that second dynamotor Motor shaft on be provided with the second motor gear, second motor gear engages with the main reducing gear driven gear.
- 9. the power drive system according to claim 1 for vehicle, it is characterised in that also include：Double clutch, the double clutch have input, the first output end and the second output end, the engine unit and institute The input for stating double clutch is connected, the first output end of the double clutch be connected with first input shaft and it is described it is double from Second output end of clutch is connected with second input shaft.
- 10. the power drive system according to claim 1 for vehicle, it is characterised in that the differential mechanism is arranged on Between two front-wheels；AndThe power drive system also includes：Two wheel motors, described two wheel motors are respectively used to drive two trailing wheels.
- 11. a kind of vehicle, it is characterised in that passed including the power for vehicle according to any one of claim 1-10 Dynamic system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374622.0A CN105329085B (en) | 2014-07-31 | 2014-07-31 | Power drive system for vehicle and the vehicle with the power drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374622.0A CN105329085B (en) | 2014-07-31 | 2014-07-31 | Power drive system for vehicle and the vehicle with the power drive system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105329085A CN105329085A (en) | 2016-02-17 |
| CN105329085B true CN105329085B (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410374622.0A Active CN105329085B (en) | 2014-07-31 | 2014-07-31 | Power drive system for vehicle and the vehicle with the power drive system |
Country Status (1)
| Country | Link |
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| CN (1) | CN105329085B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108001190B (en) * | 2016-10-31 | 2020-10-20 | 比亚迪股份有限公司 | Power transmission system and vehicle with same |
| CN108016280B (en) * | 2016-10-31 | 2022-05-13 | 比亚迪股份有限公司 | Power transmission system and vehicle with same |
| CN106740019A (en) * | 2017-01-13 | 2017-05-31 | 苏州绿控传动科技有限公司 | A kind of electric-machine directly-driven electric drive axle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2764646Y (en) * | 2004-12-24 | 2006-03-15 | 王明祥 | Combined driving and braking axle for electric vehicle |
| US7624828B2 (en) * | 2006-05-04 | 2009-12-01 | Ford Global Technologies, Llc | Vehicle power transfer system and method, and vehicle using the same |
| DE102010005789A1 (en) * | 2010-01-25 | 2011-07-28 | IAV GmbH Ingenieurgesellschaft Auto und Verkehr, 10587 | Device for driving e.g. car, has planet carriers connected with respective driven shafts of differential gears or with differential gears via clutches or not connected with driven shafts or with differential gears |
| JP5409748B2 (en) * | 2011-11-02 | 2014-02-05 | 本田技研工業株式会社 | Power transmission device |
| CN202507917U (en) * | 2012-02-29 | 2012-10-31 | 长城汽车股份有限公司 | Power assembly of electric automobile |
| CN203460686U (en) * | 2013-08-16 | 2014-03-05 | 长城汽车股份有限公司 | Hybrid electric vehicle and driving system thereof |
-
2014
- 2014-07-31 CN CN201410374622.0A patent/CN105329085B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105329085A (en) | 2016-02-17 |
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