CN208290956U - hybrid power coupling mechanism and automobile - Google Patents
hybrid power coupling mechanism and automobile Download PDFInfo
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- CN208290956U CN208290956U CN201820918401.9U CN201820918401U CN208290956U CN 208290956 U CN208290956 U CN 208290956U CN 201820918401 U CN201820918401 U CN 201820918401U CN 208290956 U CN208290956 U CN 208290956U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
The utility model belongs to automobile dynamic system technical field, is related to a kind of hybrid power coupling mechanism, including engine, the first output shaft, generator, driving motor and differential mechanism；By the input shaft of the first output axis connection generator, the input shaft of driving motor is slowed down connected with differential the rotary shaft of engine by planetary gear set；Further relate to a kind of automobile, including power accumulator, electric machine controller and aforementioned hybrid coupling mechanism；Solves the problems, such as power interruption when the pattern switching of the hybrid power coupling mechanism of existing automobile, at high cost, engine and generator work when increasing journey mode, driving motor after planetary gear set deceleration by, to differential mechanism input power, simplifying structure, can obtain biggish transmission ratio；Clutch, hydraulic system are eliminated, structure is further simplified, it is at low cost, it is suitable for mixed dynamicization of A grades of vehicles；Driving motor participates in driving in mode handover procedure, and power interruption is not present.
Description
Technical field
The utility model belongs to automobile dynamic system technical field, more particularly to hybrid power coupling mechanism and automobile.
Background technique
Dynamical system includes engine (internal combustion engine) and a power train being made of speed changer, differential mechanism and transmission shaft
System.Its effect is driving power needed for providing driving wheel to vehicle.Internal combustion engine has certain speed and torque range, and
Wherein reach optimal working condition in the range of very little, at this moment or oil consumption is minimum or noxious emission is minimum or two
All so.However, actual road conditions are ever-changing, in the speed for not only showing driving wheel, while being also manifested by required by driving wheel
Torque.Therefore, realize that revolving speed and the torque of internal combustion engine are optimal, i.e. power optimum state, the matching with driving wheel dynamic regime
It is good, it is the top priority of speed changer.
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 mixed stocker in parallel in numerous power assembly design cases
Two kinds of system.In motor serial hybrid system, internal combustion engine-generator-motor-shafting-driving wheel composition one is concatenated
Power transmission chain, power assembly structure are extremely simple.Wherein, generator-motor combination can be considered the speed changer under traditional sense.
When with accumulator, such as battery, when capacitor etc. is used in combination, the speed changer but also as energy conditioner, complete to speed and
Torque it is separately adjustable.
The advantages of serial hybrid system, is that structure is simple, and flexible layout is at low cost, is very suitable for mixed compared with carriage type
Dynamicization, both may be implemented drop oil consumption, and integral vehicle cost increment is again smaller.
A kind of existing electric powered motor coupling mechanism, comprising: engine；Generator is coaxially connected with engine；From
Clutch is arranged between engine and generator；Driving motor is connected with clutch and differential mechanism respectively by transmission device.
The electric powered motor coupling mechanism, each component layouts are more reasonable, compact-sized, are conducive to assemble and save space, improve
Interior space utilization rate, but have the following disadvantages:
1) when pattern switching, power interruption；
2) system includes clutch, and clutch need to be equipped with hydraulic system, and cost is relatively high, is not suitable for the mixed dynamic of A rank vehicle
Change；
3) engine and generator are direct-connected, and the efficiency of engine and generator is all relatively low.
Utility model content
Technical problem to be solved in the utility model first is that: be directed to existing hybrid power coupling mechanism, mode cuts
Power interruption, problem at high cost when changing, provide a kind of hybrid power coupling mechanism.
In order to solve the above technical problems, the utility model embodiment provides a kind of hybrid power coupling mechanism, including hair
Motivation, the first output shaft, generator, driving motor and differential mechanism；The rotary shaft of the engine passes through first output shaft
The input shaft of the generator is connected, the input shaft of the driving motor is slowed down by planetary gear set connects the differential mechanism.
Hybrid power coupling mechanism provided by the embodiment of the utility model, engine and generator connect into distance increasing unit, increase
Journey device works when increasing journey mode, driving motor by planetary gear set slow down after to differential mechanism input power, simplify structure,
Biggish transmission ratio can be obtained；Clutch, hydraulic system etc. are eliminated, structure is further simplified, it is at low cost, it is particularly suitable for
In mixed dynamicization of A grades of vehicles；It can be realized electric-only mode and increase journey mode, driving motor participates in driving in mode handover procedure
It is dynamic, power interruption is not present.
Optionally, the planetary gear set includes sun gear, planet carrier and gear ring；The side of the sun gear and the drive
The input shaft coupling of dynamic motor, the other side of the sun gear is engaged with the inner ring of the planet carrier；The side of the gear ring connects
The differential mechanism is connect, the other side of the gear ring is engaged with the outer ring of the planet carrier.
Optionally, the sun gear is hollow wheel, and what is connected on the differential mechanism is used for the power output shaft with driving wheel end
Across the sun gear.
Optionally, the driving motor is arranged side by side with the differential mechanism, and the input shaft of the driving motor is equipped with the
Three gears, the sun gear are engaged with the third gear.
Optionally, the engine is arranged side by side with the generator, the rotary shaft of the engine and described first defeated
Axis connection out, first output shaft connect the input shaft of the generator by speed increasing gear train.
Optionally, the speed increasing gear train includes intermeshing first gear and second gear, and the first gear connects
It connects on first output shaft, the second gear is connected on the input shaft of the generator, outside the first gear
Diameter is greater than the outer diameter of the second gear.
It optionally, further include shell, the generator, the driving motor, the speed increasing gear train, the planetary gear
Group and the differential mechanism are integrated in the shell.
It optionally, further include the torsion damping being connected between the rotary shaft of the engine and first output shaft
Device.
Technical problem to be solved in the utility model second is that: for the hybrid power coupling mechanism of existing automobile, mould
Power interruption, problem at high cost when formula switches, provide a kind of automobile.
In order to solve the above technical problems, the utility model embodiment provides automobile, including power accumulator, it is connected to institute
State the electric machine controller and aforementioned hybrid coupling mechanism of power accumulator, the engine, the generator and the drive
Dynamic motor is connected to the electric machine controller and is controlled by the electric machine controller.
Automobile provided by the embodiment of the utility model uses aforementioned hybrid coupling mechanism, engine and generator
Distance increasing unit is connected into, distance increasing unit works when increasing journey mode, and driving motor inputs after slowing down by planetary gear set to differential mechanism
Power simplifies structure, can obtain biggish transmission ratio；Clutch, hydraulic system etc. are eliminated, is further simplified and finishes
Structure, at low cost, mixed dynamicization particularly suitable for A grades of vehicles；It can be realized electric-only mode and increase journey mode, in mode handover procedure
Middle driving motor participates in driving, and power interruption is not present.
Optionally, when power accumulator electricity abundance, the electric machine controller controls the engine and the generator
It closes, and controls the driving motor and independently drive, to establish pure electric drive mode；
When power accumulator not enough power supply, the electric machine controller controls the engine to the electrical power generators, and
It controls the driving motor independently to drive, increases journey mode to establish.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hybrid power coupling mechanism provided by the embodiment of the utility model；
Fig. 2 is that power of the hybrid power coupling mechanism of an embodiment of the present invention offer under pure electric drive mode passes
Pass schematic diagram；
Fig. 3 is that power transmitting of the hybrid power coupling mechanism of an embodiment of the present invention offer in the case where increasing journey mode is shown
It is intended to.
Appended drawing reference in specification is as follows:
1, engine；11, the rotary shaft of engine；
2, the first output shaft；
3, generator；31, the input shaft of generator；
4, driving motor；41, the input shaft of driving motor；
5, differential mechanism；
6, speed increasing gear train；61, first gear；62, second gear；
7, planetary gear set；71, sun gear；72, planet carrier；73, gear ring；
8, shell；9, torsion vibration absorber；10, power output shaft；13, third gear.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the utility model is described in further detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
As shown in Figure 1, a kind of hybrid power coupling mechanism provided by the embodiment of the utility model, including engine 1, first
Output shaft 2, generator 3, driving motor 4 and differential mechanism 5；Engine 1 is arranged side by side with generator 3, the rotary shaft 11 of engine
The input shaft 31 of generator is connected by the first output shaft 2；The input shaft 41 of driving motor connects differential by planetary gear set 7
Device 5.
In use, engine 1, generator 3 and driving motor 4 are connected to electric machine controller, pass through electric machine controller control
Engine 1, generator 3 and driving motor 4 processed, electric machine controller connect power accumulator (abbreviation battery).
Hybrid power coupling mechanism provided by the embodiment of the utility model, engine 1 and generator 3 connect into distance increasing unit,
Distance increasing unit works when increasing journey mode, and driving motor 4 after the deceleration of planetary gear set 7 by, to 5 input power of differential mechanism, simplifying
Structure can obtain biggish transmission ratio；Clutch, hydraulic system etc. are eliminated, structure is further simplified, it is at low cost, it is special
It is not suitable for mixed dynamicization of A grades of vehicles；It can be realized electric-only mode and increase journey mode, driving motor 4 in mode handover procedure
Driving is participated in, power interruption is not present.
In one embodiment, as shown in Figure 1, planetary gear set 7 includes sun gear 71, planet carrier 72 and gear ring 73；The sun
The side of wheel 71 is coupled with the input shaft 41 of driving motor, and the other side of sun gear 71 is engaged with the inner ring of planet carrier 72；Gear ring
It is engaged with the outer ring of planet carrier 72 other side of 73 side connected with differential 5, gear ring 73；On the one hand be conducive to make structure more
It is compact, it on the other hand can obtain biggish transmission ratio.
In one embodiment, as shown in Figure 1, sun gear 71 is hollow wheel, what differential mechanism 5 connected is used for dynamic with driving wheel end
Power output shaft 10 passes through sun gear 71, places power output shaft 10 using the inner space of hollow sun gear 71, power is defeated
Shaft 10 and the occupied space of sun gear 71 are less, compact-sized, can reduce the size of the hybrid power coupling mechanism.
In one embodiment, as shown in Figure 1, driving motor 4 is arranged side by side with differential mechanism 5, the input shaft 41 of driving motor
It is equipped with third gear 13, sun gear 71 is engaged with third gear 13, and it is compact-sized, the hybrid power coupling mechanism can be reduced
Axial dimension.
In one embodiment, as shown in Figure 1, engine 1 is arranged side by side with generator 3, the rotary shaft 11 of engine and
The connection of one output shaft 2, the first output shaft 2 connect the input shaft 31 of generator by speed increasing gear train 6；Engine 1 and generator 3
It is arranged side by side, and is connected by speed increasing gear train 6, the operation interval of engine 1 when optimizing power generation, promote engine 1
Generating efficiency can reduce the axial dimension of the hybrid power coupling mechanism；
In one embodiment, as shown in Figure 1, speed increasing gear train 6 includes intermeshing first gear 61 and second gear
62, first gear 61 is connected on the first output shaft 2, and second gear 62 is connected on the input shaft 31 of generator, first gear
61 outer diameter is greater than the outer diameter of second gear 62, to realize from engine 1 to the step-up drive of generator 3.
In one embodiment, as shown in Figure 1, further including shell 8, generator 3, driving motor 4, planetary gear set 7 and poor
Fast device 5 is integrated in shell 8, and realization is highly integrated, has realized the protection to the structure being integrated in shell 8, but also not only convenient for assembling,
Space is saved, interior space utilization rate is improved.When equipped with speed increasing gear train 6, preferably speed increasing gear train 6 is also set in shell 8.
In one embodiment, as shown in Figure 1, first gear 61, second gear 62 and third gear 71 be located at generator 3 with
Between driving motor 4, and first gear 61 and second gear 62 are located at the axially external of third gear 71, and structure is more compact,
Space utilization rate in shell 8 is improved, the shell 8 of small volume can be selected.
In one embodiment, as shown in Figure 1, engine 1 is set to outside shell 8, and the connection of the rotary shaft 11 of engine the
One end of one output shaft 2 is protruded into shell 8.
In one embodiment, as shown in Figure 1, further including being connected between the rotary shaft 11 of engine and the first output shaft 2
Torsion vibration absorber 9, torsion vibration absorber 9 is used to absorb the vibration of 1 side of engine, avoid vibration from being transferred to the first output shaft 2, into
And the uniformity of the first output shaft 2 rotation can be improved.
In one embodiment, as shown in Figures 2 and 3, when power accumulator electricity abundance, engine 1 and generator are controlled
It closes, and the independent driving of driving motor 4, to establish pure electric drive mode；
When power accumulator not enough power supply, engine 1 generates electricity to generator 3, and the independent driving of driving motor 4, to establish
Increase journey mode.
In one embodiment, the switching of two kinds of drive modes can be realized automatically according to SOC value of battery and speed demand.Driving
The control method of pattern switching includes:
Step S1, judges the size relation of SOC value of battery and first threshold, or judges SOC value of battery and first simultaneously
The size relation and speed of threshold value and the size relation of second threshold；
Step S2 switches the drive mode of hybrid power coupling mechanism according to judging result.
Above-mentioned 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, this reality
It applies example not limit the value range of first threshold and second threshold, usually can freely be set according to specific control strategy
Fixed, under different control strategies, the value of first threshold and second threshold is all not quite similar.Set first threshold and the second threshold
After value, system then judges automatically and is automatically switched between three kinds of drive modes according to judging result.
In addition, driving motor 4 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 can also include: as a result,
Step S3, braking when control driving motor 4 generate braking moment and in the windings generate induced current with to
Battery charging.
The set up the condition of two kinds of drive modes please refers to table 1.
The set up the condition of 1 two kinds of drive modes of table
In addition, the power transmission line of pure electric drive mode is referring to figure 2..The power transmission line for increasing journey mode please refers to
Fig. 3.Fig. 2 indicates the path and direction of power transmitting with black arrow into Fig. 3.Final power is transmitted to differential mechanism 5, so
After be transmitted to wheel end.According to the operating condition of vehicle, which can be between pure electric drive mode and increasing journey mode
Switching, and in mode handover procedure, driving motor 4 participates in driving, and power interruption is not present.
In one embodiment, generator 3 and driving motor 4 are all made of dynamoelectric machine (M/G).
The utility model additionally provides automobile, including power accumulator, be connected to power accumulator electric machine controller and
The hybrid power coupling mechanism that aforementioned any embodiment is addressed, engine, generator and driving motor are connected to electric machine controller
And it is controlled by electric machine controller.Using aforementioned hybrid coupling mechanism, engine and generator connect into distance increasing unit, distance increasing unit
It works when increasing journey mode, driving motor, can by, to differential mechanism input power, simplifying structure after planetary gear set deceleration
Obtain biggish transmission ratio；Clutch, hydraulic system etc. are eliminated, structure is further simplified, it is at low cost, particularly suitable for A
Mixed dynamicization of grade vehicle；It can be realized electric-only mode and increase journey mode, driving motor participates in driving in mode handover procedure, no
There are power interruptions.
Specifically, when power accumulator electricity abundance, electric machine controller controls engine and generator is closed, and controls and drive
Dynamic motor independently drives, to establish pure electric drive mode；
When power accumulator not enough power supply, electric machine controller controls engine to electrical power generators, and controls driving motor
Independent driving increases journey mode to establish.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of hybrid power coupling mechanism, which is characterized in that including engine, the first output shaft, generator, driving motor and
Differential mechanism；Input shaft of the rotary shaft of the engine by generator described in the first output axis connection, the driving electricity
The input shaft of machine is slowed down by planetary gear set connects the differential mechanism.
2. hybrid power coupling mechanism according to claim 1, which is characterized in that the planetary gear set includes the sun
Wheel, planet carrier and gear ring；The side of the sun gear is coupled with the input shaft of the driving motor, the other side of the sun gear
It is engaged with the inner ring of the planet carrier；The side of the gear ring connects the differential mechanism, the other side of the gear ring and the row
It engages the outer ring of carrier.
3. hybrid power coupling mechanism according to claim 2, which is characterized in that the sun gear is hollow wheel, described
What is connected on differential mechanism passes through the sun gear for the power output shaft with driving wheel end.
4. hybrid power coupling mechanism according to claim 2, which is characterized in that the driving motor and the differential mechanism
It is arranged side by side, the input shaft of the driving motor is equipped with third gear, and the sun gear is engaged with the third gear.
5. hybrid power coupling mechanism according to claim 1, which is characterized in that the engine and the generator are simultaneously
Arrangement is set, and the rotary shaft of the engine and the first output axis connection, first output shaft are connected by speed increasing gear train
Connect the input shaft of the generator.
6. hybrid power coupling mechanism according to claim 5, which is characterized in that the speed increasing gear train includes mutually nibbling
The first gear and second gear of conjunction, the first gear are connected on first output shaft, and the second gear is connected to
On the input shaft of the generator, the outer diameter of the first gear is greater than the outer diameter of the second gear.
7. hybrid power coupling mechanism according to claim 5, which is characterized in that it further include shell, the generator, institute
Driving motor, the speed increasing gear train, the planetary gear set and the differential mechanism is stated to be integrated in the shell.
8. hybrid power coupling mechanism according to claim 1, which is characterized in that further include being connected to the engine
Torsion vibration absorber between rotary shaft and first output shaft.
9. automobile, including power accumulator and the electric machine controller for being connected to the power accumulator, which is characterized in that further include
The described in any item hybrid power coupling mechanisms of claim 1-8, the engine, the generator and the driving motor connect
It is connected to the electric machine controller and is controlled by the electric machine controller.
10. automobile according to claim 9, which is characterized in that when power accumulator electricity abundance, the electric machine controller
It controls the engine and the generator is closed, and control the driving motor and independently drive, to establish pure electric drive mode；
When power accumulator not enough power supply, the electric machine controller controls the engine to the electrical power generators, and controls
The driving motor independently drives, and increases journey mode to establish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918401.9U CN208290956U (en) | 2018-06-12 | 2018-06-12 | hybrid power coupling mechanism and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918401.9U CN208290956U (en) | 2018-06-12 | 2018-06-12 | hybrid power coupling mechanism and automobile |
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| Publication Number | Publication Date |
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| CN208290956U true CN208290956U (en) | 2018-12-28 |
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ID=64702050
Family Applications (1)
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| CN201820918401.9U Active CN208290956U (en) | 2018-06-12 | 2018-06-12 | hybrid power coupling mechanism and automobile |
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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 |
-
2018
- 2018-06-12 CN CN201820918401.9U patent/CN208290956U/en active Active
Cited By (3)
| 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 |
| CN110588320A (en) * | 2018-06-12 | 2019-12-20 | 广州汽车集团股份有限公司 | Hybrid power 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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