CN208359906U - A kind of hybrid electric vehicle power coupled system - Google Patents
A kind of hybrid electric vehicle power coupled system Download PDFInfo
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- CN208359906U CN208359906U CN201820917574.9U CN201820917574U CN208359906U CN 208359906 U CN208359906 U CN 208359906U CN 201820917574 U CN201820917574 U CN 201820917574U CN 208359906 U CN208359906 U CN 208359906U
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Abstract
The utility model provides a kind of hybrid electric vehicle power coupled system, it include: engine, generator, driving motor and differential mechanism, between the engine and the generator, and it is connected between the driving motor and the differential mechanism by transmission mechanism, the first drive path is formed between the engine and the generator, the second drive path is formed between the driving motor and the differential mechanism, the generator is connected with the engine by the gear pair speedup being set in first drive path, the driving motor is connect with the differential mechanism by the transmission gear and planetary gear set being set in second drive path.Engine provided by the utility model is arranged side by side with generator, and is connected by the gear pair of speedup, and the operation interval of engine when can optimize power generation promotes diesel-electric efficiency；The utility model eliminates clutch, hydraulic system etc., at low cost, mixed dynamicization particularly suitable for A grades of vehicles.
Description
Technical field
The utility model relates to automobile power Transfer Technology field more particularly to a kind of hybrid electric vehicle power coupled systemes
System.
Background technique
In recent years, the birth of electric machine mixed power technology is to realize that the exact matching of power between internal combustion engine and power wheel is opened
New approach is opened up.It is most representative to have serial hybrid system and mixing in parallel in numerous power assembly design schemes
Two kinds of system.In motor serial hybrid system, internal combustion engine-generator-motor-shafting-driving wheel forms a series connection
Power transmission chain, power assembly structure is extremely simple.Wherein, generator-motor combination can be considered the speed change under traditional sense
Device.When with accumulator, such as battery, when capacitor etc. is used in combination, which is completed to speed but also as energy conditioner
It is separately adjustable with torque.The advantages of serial hybrid system, is that structure is simple, flexible layout.It is at low cost, be very suitable for compared with
Mixed dynamicization of carriage type, it can realize drop oil consumption, cost increase is again smaller.
Dynamical system includes engine and a transmission system being made of speed changer, differential mechanism and transmission shaft.Its work
Be to vehicle provide driving wheel needed for driving power.Internal combustion engine has certain speed and torque range, and very little wherein
In the range of reach optimal working condition, at this moment or oil consumption is minimum or noxious emission is minimum or two is all right.So
And actual road conditions are ever-changing, in the speed for not only showing driving wheel, while being also manifested by torque required by driving wheel
On.Therefore, it realizes that revolving speed and the torque of internal combustion engine are optimal, i.e. power optimum state, is matched with driving wheel dynamic regime, be to become
The top priority of fast device.
But current hybrid electric vehicle power coupled system is there are still engine and generator are direct-connected, engine and
The efficiency of generator is all relatively low；System includes clutch, hydraulic system etc., and cost is relatively high, is not suitable for the mixed dynamic of A rank vehicle
The problems such as change.
Summary of the invention
In view of this, the present invention provides the hybrid electric vehicle power coupled systemes that a kind of suitable A grades of vehicle mixes dynamicization
System.
A kind of hybrid electric vehicle power coupled system provided by the utility model, comprising: engine, generator, driving
Motor and differential mechanism pass through between the engine and the generator and between the driving motor and the differential mechanism
Transmission mechanism connection, forms the first drive path, in the driving motor and institute between the engine and the generator
It states and forms the second drive path between differential mechanism, the generator and the engine are by being set in first drive path
The connection of gear pair speedup, the driving motor and the differential mechanism pass through the transmission gear being set in second drive path
It is connected with planetary gear set.
Further, the transmission mechanism in first drive path includes the first transmission shaft, first gear, second gear
And second driving shaft.
Further, the transmission mechanism in first drive path further includes damper, and the damper is mounted on institute
It states on the first transmission shaft.
Further, first transmission shaft is connected with the engine, and the first gear is sheathed on described first and passes
On moving axis, the second gear is engaged with the first gear, and is sheathed on the second driving shaft, the second driving shaft
It is connect with the generator.
Further, the transmission mechanism in second drive path include third transmission shaft, third gear, sun gear,
Planetary gear and gear ring.
Further, the third transmission shaft is connected with the driving motor, and the third geared sleeve is set to the third
On transmission shaft, the third gear is engaged with the sun gear, and the sun gear is engaged with the planetary gear, the planet tooth
Wheel is engaged with the gear ring, and the gear ring is connect with the differential mechanism.
Further, the gear ring becomes one with the differential mechanism, and the planetary gear is set on planet carrier, described
Planet carrier is fixed on the shell of automobile engine.
Further, the generator and the engine are arranged side by side, and the generator is driven by described first
Path is connected with the engine.
Further, first drive path and second drive path are used in the hybrid vehicle increases journey
It is simultaneously turned on when mode, second drive path is connected when the hybrid vehicle uses electric-only mode.
The utility model embodiment has technical effect beneficial below:
1. engine is arranged side by side with generator, and is connected by the gear pair of speedup, start when can optimize power generation
The operation interval of machine promotes diesel-electric efficiency；
2. eliminating clutch, hydraulic system etc., at low cost, mixed dynamicization particularly suitable for A grades of vehicles；3. in pattern switching
In the process, driving motor participates in driving, and power interruption is not present in power；
4. driving motor is slowed down by planet row, it can simplify structure, obtain biggish transmission ratio.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of hybrid electric vehicle power coupled system provided by the utility model；
Fig. 2 is that the structure that hybrid electric vehicle power coupled system provided by the utility model works under pure power mode is shown
It is intended to；
Fig. 3 is that the structure that hybrid electric vehicle power coupled system provided by the utility model works in the case where increasing journey mode is shown
It is intended to.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, the present invention is described in detail as follows.
Please refer to Fig. 1 and Fig. 2, a kind of hybrid electric vehicle power coupled system provided by the utility model, comprising: start
Machine 1, generator 6, driving motor 8 and differential mechanism 14, between engine 1 and generator 6 and driving motor 8 and differential mechanism 14
Between by transmission mechanism connect, the first drive path is formed between engine 1 and generator 6, in driving motor 8 and differential
The second drive path, generator 6 and engine 1 is formed between device 14 to connect by the gear pair speedup being set in the first drive path
It connects, driving motor 8 is connect with differential mechanism 14 by the transmission gear and planetary gear set being set in the second drive path.
Specifically, the transmission mechanism in the first drive path includes the first transmission shaft 3, first gear 4,5 and of second gear
Second driving shaft 7.Transmission mechanism in first drive path further includes damper 2 (being in the present embodiment torsion vibration absorber),
Damper 2 is mounted on the first transmission shaft 3.In the present embodiment, the first transmission shaft 3 is connect with engine 1, and 4 sets of first gear
On the first transmission shaft 3, it is fixedly connected with the first transmission shaft 3 by spline.Second gear 5 is engaged with first gear 4, and the
Two gears 5 are sheathed on second driving shaft 7, are fixedly connected with second driving shaft 7 by spline.Second driving shaft 7 and generator 6
Connection.Generator 6 and engine 1 are arranged side by side, and are connected by the first drive path with engine 1.
Transmission mechanism in second drive path includes third transmission shaft 9, third gear 10, sun gear 11, planetary gear
12 and gear ring 13.Third transmission shaft 9 is connected with driving motor 8, and third gear 10 is sheathed on third transmission shaft 9, passes with third
Moving axis 9 is fixedly connected by spline.Third gear 10 is engaged with sun gear 11, and sun gear 11 is engaged with planetary gear 12, planet
Gear 12 is engaged with gear ring 13, and gear ring 13 is connect with differential mechanism 14.
In the present embodiment, gear ring 13 becomes one with differential mechanism 14, and planetary gear 12 is set on planet carrier 15, planet
Frame 15 is fixed on the shell of automobile engine.
The dynamic coupling system of the present embodiment has electric-only mode, increasing journey mode etc., and above-mentioned mode is embodied such as with table
Under:
It, can be according to battery SOC (State of when the work of the hybrid electric vehicle power coupled system of the utility model
Charge, state-of-charge are also remaining capacity) value and speed demand realize the switching of different mode automatically.It is taken when switching
Control strategy (i.e. the control method of the utility model hybrid electric vehicle power coupled system) includes the following steps:
Step 1, judge the size relation of SOC value of battery and first threshold, or judge SOC value of battery and the first threshold simultaneously
The size relation and speed of value and the size relation of second threshold；
Step 2, according to judging result, switch the operating mode of the dynamic coupling system.
First threshold is used to judge that the height of SOC value of battery, second threshold to be used to judge the height of speed, and the present embodiment is not
The value range of first threshold and second threshold is limited, usually can freely be set according to specific control strategy, it is different
Control strategy under, the value of first threshold and second threshold is all not quite similar.After setting first threshold and second threshold, then
It judges automatically and is automatically switched between different mode according to judging result.
Specifically, it when SOC value of battery is greater than first threshold, indicates that battery capacity is sufficient, electric-only mode can be used
The second drive path is only connected in (as shown in Figure 2), and engine 1 and generator 6 is made not to work, provides merely with driving motor 8
Drive power.When SOC value of battery is less than or equal to first threshold, indicate that battery capacity is insufficient, it can be using increasing journey mode (such as
Shown in Fig. 3), the first drive path and the second drive path are simultaneously turned on, starts engine 1 using generator 6, when engine 1
After starting, the power output of engine 1 is generated electricity to generator 6.In mode handover procedure, driving motor 8 participates in driving, moves
There is no interrupt for power.
In addition, driving motor 8 generates braking moment brake wheel when automobile brake, while will be generated in its machine winding
Induced current charges to battery, realizes the recycling of braking energy.The control method of the present embodiment as a result, further include:
Step 3, controlled in braking the driving motor generate braking moment and generate in the windings induced current with
It charges to battery.
In conclusion the utility model have it is following the utility model has the advantages that
1. engine is arranged side by side with generator, and is connected by the gear pair of speedup, start when can optimize power generation
The operation interval of machine promotes diesel-electric efficiency；
2. eliminating clutch, hydraulic system etc., at low cost, mixed dynamicization particularly suitable for A grades of vehicles；
3. driving motor participates in driving in mode handover procedure, power interruption is not present in power；
4. driving motor is slowed down by planet row, it can simplify structure, obtain biggish transmission ratio.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (9)
1. a kind of hybrid electric vehicle power coupled system characterized by comprising engine (1), generator (6), driving electricity
Machine (8) and differential mechanism (14), between the engine (1) and the generator (6) and the driving motor (8) with it is described
It is connected between differential mechanism (14) by transmission mechanism, forms the first transmission between the engine (1) and the generator (6)
Path forms the second drive path, the generator (6) and institute between the driving motor (8) and the differential mechanism (14)
It states engine (1) to connect by the gear pair speedup being set in first drive path, the driving motor (8) and the difference
Fast device (14) is connected by the transmission gear being set in second drive path with planetary gear set.
2. hybrid electric vehicle power coupled system according to claim 1, which is characterized in that first drive path
On transmission mechanism include the first transmission shaft (3), first gear (4), second gear (5) and second driving shaft (7).
3. hybrid electric vehicle power coupled system according to claim 2, which is characterized in that first drive path
On transmission mechanism further include damper (2), the damper (2) is mounted on first transmission shaft (3).
4. hybrid electric vehicle power coupled system according to claim 2 or 3, which is characterized in that first transmission
Axis (3) is connect with the engine (1), and the first gear (4) is sheathed on first transmission shaft (3), second tooth
Wheel (5) is engaged with the first gear (4), and is sheathed on the second driving shaft (7), the second driving shaft (7) and institute
State generator (6) connection.
5. hybrid electric vehicle power coupled system according to claim 1, which is characterized in that second drive path
On transmission mechanism include third transmission shaft (9), third gear (10), sun gear (11), planetary gear (12) and gear ring (13).
6. hybrid electric vehicle power coupled system according to claim 5, which is characterized in that the third transmission shaft
(9) it is connected with the driving motor (8), the third gear (10) is sheathed on the third transmission shaft (9), the third tooth
Wheel (10) is engaged with the sun gear (11), and the sun gear (11) is engaged with the planetary gear (12), the planetary gear
(12) it is engaged with the gear ring (13), the gear ring (13) connect with the differential mechanism (14).
7. hybrid electric vehicle power coupled system according to claim 5 or 6, which is characterized in that the gear ring (13)
Become one with the differential mechanism (14), the planetary gear (12) is set on planet carrier (15), and the planet carrier (15) is solid
It is scheduled on the shell of automobile engine.
8. hybrid electric vehicle power coupled system according to claim 1, which is characterized in that the generator (6) and
The engine (1) is arranged side by side, and the generator (6) is connected by first drive path with the engine (1).
9. hybrid electric vehicle power coupled system according to claim 1, which is characterized in that first drive path
It is simultaneously turned in the hybrid vehicle using when increasing journey mode with second drive path, second drive path exists
The hybrid vehicle is connected when using electric-only mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820917574.9U CN208359906U (en) | 2018-06-12 | 2018-06-12 | A kind of hybrid electric vehicle power coupled system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820917574.9U CN208359906U (en) | 2018-06-12 | 2018-06-12 | A kind of hybrid electric vehicle power coupled system |
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| CN208359906U true CN208359906U (en) | 2019-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019237626A1 (en) * | 2018-06-12 | 2019-12-19 | 广州汽车集团股份有限公司 | Hybrid coupling mechanism and automobile |
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2018
- 2018-06-12 CN CN201820917574.9U patent/CN208359906U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019237626A1 (en) * | 2018-06-12 | 2019-12-19 | 广州汽车集团股份有限公司 | Hybrid coupling mechanism and automobile |
| US11338662B2 (en) | 2018-06-12 | 2022-05-24 | Guangzhou Automobile Group Co., Ltd. | Hybrid power coupling mechanism and vehicle |
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