CN208359905U - 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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- CN208359905U CN208359905U CN201820913867.XU CN201820913867U CN208359905U CN 208359905 U CN208359905 U CN 208359905U CN 201820913867 U CN201820913867 U CN 201820913867U CN 208359905 U CN208359905 U CN 208359905U
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Abstract
A kind of hybrid electric vehicle power coupled system provided by the utility model, including engine, generator, driving motor and differential mechanism, it is connected between the engine and the generator and by transmission mechanism between the driving motor and the differential 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 engine is connected with the generator by planet row, and the driving motor is connect with the differential mechanism by gear pair.Engine and generator coaxle are arranged, and do speedup by planet row, and the operation interval of engine when can optimize power generation promotes diesel-electric efficiency；Clutch, hydraulic system etc. are eliminated, at low cost, mixed dynamicization particularly suitable for A grades of vehicles.In mode handover procedure, driving motor participates in driving, and power interruption is not present in power.
Description
Technical field
The utility model relates to technical field of automobile transmission more particularly to a kind of hybrid electric vehicle power coupled systems.
Background technique
With the continuous intensification of global energy crisis, the increasingly exhausted and atmosphere pollution of petroleum resources, on Global Temperature
The harm aggravation risen, national governments and Automobile Enterprises are it is well recognized that energy conservation and emission reduction are the main attack sides of future automobile technology development
To.Oil-electric vehicle possesses engine and motor, engine fuel consumption simultaneously, and traction motor consumes power electric
The electric energy in pond.In recent years, research hotspot is had become for the power-driven system of hybrid vehicle and its operating mode.
Since hybrid power system is related to conventional engines driving and motor drive, structure is often more complicated, accounts for
It is larger with space, influence the arrangement of vehicle other component.On the one hand compare the motor parallel formula hybrid power system of mainstream at present
In, engine and generator are direct-connected, and the efficiency of engine and generator is all relatively low；On the other hand, hybrid power system includes
Clutch, hydraulic system etc., cost is relatively high, is not suitable for mixed dynamicization of A rank vehicle.
Summary of the invention
In view of this, the present invention provides a kind of engine power generations, and hybrid vehicle high-efficient, at low cost moves
Power coupled system.
A kind of hybrid electric vehicle power coupled system provided by the utility model, including engine, generator, driving electricity
Machine and differential mechanism pass through biography between the engine and the generator and between the driving motor and the differential mechanism
Motivation structure connection, the first drive path is formed between the engine and the generator, the driving motor with it is described
The second drive path is formed between differential mechanism, the engine is connected with the generator by planet row, the driving motor
It is connect with the differential mechanism by gear pair.
Further, the transmission mechanism in first drive path includes damper, planet carrier, planetary gear, gear ring
And sun gear.
Further, for the damper between the engine and the planet carrier, the planetary gear is set to institute
It states on planet carrier, the planetary gear is engaged with the gear ring and the sun gear, and the sun gear is connect with the generator.
Further, the gear ring is fixed on the motor body of automobile, and the sun gear is defeated with the generator
Shaft is fixedly connected.
Further, the transmission mechanism in second drive path includes the first transmission shaft, second driving shaft, the first tooth
Wheel, second gear, third gear, the 4th gear, first transmission shaft are connected with the driving motor, the first gear set
On first transmission shaft, the second gear is engaged with the first gear, and the second gear be sheathed on it is described
One end of second driving shaft, the third geared sleeve be set to the second driving shaft on and by the second driving shaft with it is described
Second gear is connected, the 4th gear and third gear engagement, and the 4th gear is connected with the differential mechanism.
Further, the generator and the engine are coaxially arranged, and the generator and the engine pass through
The connection of planet row speedup.
Further, the engine, the generator and transmission mechanism in first drive path and described
Transmission mechanism in driving motor, the differential mechanism and second drive path is integrated in a shell.
Further, the transmission mechanism in the engine, the generator and first drive path is integrated in one
In a shell, the transmission mechanism in the driving motor, the differential mechanism and second drive path is integrated in another shell
In vivo.
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 and generator coaxle are arranged, and do speedup by planet row, engine when can optimize power generation
Operation interval 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.
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 that a kind of structure of one embodiment of hybrid electric vehicle power coupled system provided by the utility model is shown
It is intended to；
Fig. 2 is a kind of structure of another embodiment of hybrid electric vehicle power coupled system provided by the utility model
Schematic diagram；
Fig. 3 is that the structure that a kind of hybrid electric vehicle power coupled system of the utility model works under pure power mode is shown
It is intended to；
Fig. 4 is that the structure that a kind of hybrid electric vehicle power coupled system of 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.
Referring to Fig. 1, a kind of hybrid electric vehicle power coupled system provided by the utility model, including engine 1, hair
Motor 6, driving motor 7 and differential mechanism 14 lead between engine 1 and generator 6 and between driving motor 7 and differential mechanism 14
Cross transmission mechanism connection, form the first drive path between engine 1 and generator 6, driving motor 7 and differential mechanism 14 it
Between form the second drive path, engine 1 is connected with generator 6 by planet row, and driving motor 7 and differential mechanism 14 pass through gear
Pair connection.
In the present embodiment, generator 6 and engine 1 are coaxially arranged, and generator 6 and engine 1 are increased by planet row
Speed connection.Specifically, the transmission mechanism in the first drive path includes damper 2, planet carrier 3, planetary gear 15,4 and of gear
Sun gear 5.On transmission shaft between engine 1 and planet carrier 3, planetary gear 15 is set on planet carrier 3 damper 2, row
Star gear 15 is engaged with gear ring 4 and sun gear 5, and gear ring 4 is fixed on the motor body of automobile, sun gear 5 and generator 6
Output shaft is fixedly connected.
Transmission mechanism in second drive path includes the first transmission shaft 8, second driving shaft 11, first gear 9, the second tooth
10, third gear 12, the 4th gear 13 are taken turns, the first transmission shaft 8 is connected with driving motor 7, and first gear 9 is sheathed on the first transmission
On axis 8, it is fixedly connected by spline with the first transmission shaft 8, second gear 10 is engaged with first gear 9, and 10 sets of second gear
Set on one end of second driving shaft 11, it is fixedly connected by spline with the corresponding end of second driving shaft 11, third gear 12 is arranged
It on second driving shaft 11, is fixedly connected by spline with the other end of second driving shaft 11, to pass through second driving shaft 11
It is connected with second gear 10, the 4th gear 13 and third gear 12 engage, and the 4th gear 13 is connected with differential mechanism 14.
In the embodiment shown in fig. 1, the transmission mechanism in engine 1, generator 6 and the first drive path, and drive
Transmission mechanism in dynamic motor 7, differential mechanism 14 and the second drive path is integrated in a shell.
It is to be appreciated that in the other embodiments of the utility model, the element that two drive paths can also be related to
It is integrated in different shells respectively, such as shown in Fig. 2, it can be by the biography in engine 1, generator 6 and the first drive path
Motivation structure is integrated in a shell, while the transmission mechanism in driving motor 7, differential mechanism 14 and the second drive path being integrated
In in another shell.
Connect above-mentioned, the hybrid power dynamic coupling system of the present embodiment has electric-only mode and increases two kinds of journey mode work
Mode, the both of which are embodied as follows with table:
When the present embodiment hybrid power dynamic coupling system work when, can according to battery SOC (State of Charge,
State-of-charge is also remaining capacity) value and speed demand realize the switching of both of which automatically, when switching, hybrid power power
The control strategy (i.e. the control flow of hybrid power dynamic coupling system) of coupled system includes the following steps:
Step (S1), judges the size relation of SOC value of battery and first threshold, or judges SOC value of battery and simultaneously
The size relation and speed of one threshold value and the size relation of second threshold；
Step (S2) switches the operating mode of the dynamic coupling system according to judging result.
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 both of which 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 3), and engine 1 and generator 6 is made not to work, provides merely with driving motor 7
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. 4), 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 7 participates in driving, moves
There is no interrupt for power.
In addition, driving motor 7 generates braking moment brake wheel in automobile brake, while will be produced in its machine winding
Raw induced current charges to battery, realizes the recycling of braking energy.The control method of the present embodiment as a result, further include:
Step (S3) controls the driving motor in braking and generates braking moment and generate induced current in the windings
To charge to battery.
The utility model has the beneficial effects that
1. engine and generator coaxle are arranged, and do speedup by planet row, engine when can optimize power generation
Operation interval 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.
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, which is characterized in that including engine (1), generator (6), driving electricity
Machine (7) and differential mechanism (14), between the engine (1) and the generator (6) and the driving motor (7) 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 engine (1) and institute between the driving motor (7) and the differential mechanism (14)
It states generator (6) to connect by planet row, the driving motor (7) is connect with the differential mechanism (14) by gear pair.
2. hybrid electric vehicle power coupled system according to claim 1, which is characterized in that first drive path
On transmission mechanism include damper (2), planet carrier (3), planetary gear (15), gear ring (4) and sun gear (5).
3. hybrid electric vehicle power coupled system according to claim 2, which is characterized in that damper (2) position
Between the engine (1) and the planet carrier (3), the planetary gear (15) is set on the planet carrier (3), the row
Star gear (15) is engaged with the gear ring (4) and the sun gear (5), and the sun gear (5) connect with the generator (6).
4. hybrid electric vehicle power coupled system according to claim 3, which is characterized in that the gear ring (4) is fixed
In on the motor body of automobile, the sun gear (5) is fixedly connected with the output shaft of the generator (6).
5. hybrid electric vehicle power coupled system according to claim 1, which is characterized in that second drive path
On transmission mechanism include the first transmission shaft (8), second driving shaft (11), first gear (9), second gear (10), third tooth
(12), the 4th gear (13) are taken turns, first transmission shaft (8) is connected with the driving motor (7), first gear (9) set
On first transmission shaft (8), the second gear (10) is engaged with the first gear (9), and the second gear
(10) it is sheathed on one end of the second driving shaft (11), the third gear (12) is sheathed on the second driving shaft (11)
And be connected by the second driving shaft (11) with the second gear (10), the 4th gear (13) and the third gear
(12) it engages, and the 4th gear (13) is connected with the differential mechanism (14).
6. hybrid electric vehicle power coupled system according to claim 1, which is characterized in that the generator (6) and
The engine (1) is coaxially arranged, and the generator (6) is connected with the engine (1) by planet row speedup.
7. hybrid electric vehicle power coupled system according to claim 1, which is characterized in that the engine (1), institute
State generator (6) and transmission mechanism and the driving motor (7), the differential mechanism (14) in first drive path
It is integrated in a shell with the transmission mechanism in second drive path.
8. hybrid electric vehicle power coupled system according to claim 1, which is characterized in that the engine (1), institute
It states the transmission mechanism on generator (6) and first drive path to be integrated in a shell, the driving motor (7), institute
The transmission mechanism stated on differential mechanism (14) and second drive path is integrated in another shell.
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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820913867.XU CN208359905U (en) | 2018-06-12 | 2018-06-12 | A kind of hybrid electric vehicle power coupled system |
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| CN201820913867.XU CN208359905U (en) | 2018-06-12 | 2018-06-12 | A kind of hybrid electric vehicle power coupled system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112172507A (en) * | 2020-10-09 | 2021-01-05 | 无锡明恒混合动力技术有限公司 | Coaxially-arranged extended range type hybrid system |
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2018
- 2018-06-12 CN CN201820913867.XU patent/CN208359905U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112172507A (en) * | 2020-10-09 | 2021-01-05 | 无锡明恒混合动力技术有限公司 | Coaxially-arranged extended range type hybrid system |
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