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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- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000008878 coupling Effects 0.000 claims abstract description 14
- 238000010168 coupling process Methods 0.000 claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 claims abstract description 14
- 238000010248 power generation Methods 0.000 claims abstract description 6
- 239000006096 absorbing agent Substances 0.000 claims 2
- 230000035939 shock Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000011217 control strategy Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
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Abstract
本实用新型提供的一种混合动力汽车动力耦合系统，包括发动机、发电机、驱动电机和差速器，所述发动机和所述发电机之间、以及所述驱动电机与所述差速器之间通过传动机构连接，在所述发动机和所述发电机之间形成第一传动路径，在所述驱动电机与所述差速器之间形成第二传动路径，所述发动机和所述发电机通过行星排连接，所述驱动电机与所述差速器通过齿轮副连接。发动机与发电机同轴布置，并且通过行星排做增速，可以优化发电时发动机的工作区间，提升发动机发电的效率；取消了离合器、液压系统等，成本低，特别适合于A级车的混动化。在模式切换过程中，驱动电机参与驱动，动力不存在动力中断。
The utility model provides a hybrid vehicle power coupling system, comprising an engine, a generator, a drive motor and a differential, and between the engine and the generator, and between the drive motor and the differential connected by a transmission mechanism, a first transmission path is formed between the engine and the generator, a second transmission path is formed between the drive motor and the differential, the engine and the generator The drive motor and the differential are connected through a gear pair through a planetary row connection. The engine and the generator are arranged coaxially, and the speed is increased by the planetary row, which can optimize the working range of the engine during power generation and improve the efficiency of the engine power generation; the clutch, hydraulic system, etc. are eliminated, and the cost is low, especially suitable for A-class vehicles. Animate. During the mode switching process, the drive motor participates in driving, and there is no power interruption 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820913867.XU CN208359905U (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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| CN201820913867.XU CN208359905U (en) | 2018-06-12 | 2018-06-12 | A kind of hybrid electric vehicle power coupled system |
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| CN208359905U true CN208359905U (en) | 2019-01-11 |
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Cited By (2)
| 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 |
| CN112455222A (en) * | 2019-09-06 | 2021-03-09 | 舍弗勒技术股份两合公司 | Compact bridge driving system |
-
2018
- 2018-06-12 CN CN201820913867.XU patent/CN208359905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112455222A (en) * | 2019-09-06 | 2021-03-09 | 舍弗勒技术股份两合公司 | Compact bridge driving system |
| 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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