CN208630351U - Hybrid power system and vehicle - Google Patents
Hybrid power system and vehicle Download PDFInfo
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- CN208630351U CN208630351U CN201821062087.5U CN201821062087U CN208630351U CN 208630351 U CN208630351 U CN 208630351U CN 201821062087 U CN201821062087 U CN 201821062087U CN 208630351 U CN208630351 U CN 208630351U
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- gearbox
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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
Abstract
The utility model relates to vehicular field more particularly to a kind of hybrid power systems and vehicle.The input side of the planetary gear speed reducing mechanism of the hybrid power system of the utility model is connect with driving engine, the center input shaft of gearbox and the main output end for driving motor are sequentially connected, the center output shaft of the planetary gear speed reducing mechanism and the center output shaft of gearbox are coaxially connected, and there is the connecting pin being sequentially connected with vehicle bridge, the center input shaft and center output shaft of gearbox are sequentially connected by being located at the gearshift of a radial side position.The gearshift of gearbox is located at a radial side position for center input shaft in the hybrid dynamic system of the utility model, gearbox coaxially connected is easier to guarantee by center output shaft and main drive between motor in this way, and gearshift is located in gearbox, in processing on the one hand machining accuracy is controlled by gearbox producer, it is easy to realize.It not only ensure that processing and assembly precision, also reduce processing and assembly cost.
Description
Technical field
The utility model relates to vehicular field more particularly to a kind of hybrid power system and use the hybrid power system
Vehicle.
Background technique
With petering out for mining deposits, the application of new energy more and more appears in people's lives, new energy
Vehicle is largely used as a kind of new energy product by people.New energy vehicle is divided into pure electric vehicle and two kinds of hybrid power, and two kinds
Vehicle uses different transmission systems since power output source is different.By taking hybrid vehicle as an example, application No. is
201620334918.4, Authorization Notice No. be CN205706147U Chinese utility model patent disclose hybrid power system
And the hybrid vehicle using the system.Its disclosed hybrid dynamic system includes the planet row and gearbox of tandem connection, planet
Row is connected on rear side of engine, and gearbox is connected to the rear side of planet row and by its output end transmission connection wheel.But this
The speed ratio of the gear of kind of hybrid dynamic system is certain, the output torque that is not well positioned to meet in vehicle travel process and speed
Variability.
There are the Chinese utility model public affairs application No. is 201621358654.2, Authorization Notice No. for CN206475732U later
Vehicle and its series-parallel hybrid electric system are opened, this hybrid dynamic system is added in the deceleration mechanism being connected on rear side of planet row
The design of speed change gear is travelling to meet vehicle to a certain extent to realize the function of more gear speed changes
In the process for the variation demand of output torque and speed.But the synchronization selector of this hybrid dynamic system and the output of motor
Axis is coaxially connected, more demanding for the concentricity of the two, however synchronous selector is located in reduction gearbox, this is just to reduction gearbox
Manufacturer and motor manufacturer propose higher processing request simultaneously, and only there are two the machining accuracy standards one of producer
When cause, what both could be realized well is coaxially connected, this be for entirely producing chain it is difficult to realize, be often difficult full
Foot is such to be required.So, if the output shaft of motor is lower with the coaxially connected precision of synchronous selector, vehicle is in driving process
In, synchronous selector is often difficult to bear lateral load, it is easy to and it damages, eventually leads to vehicle and be not normally functioning, failure rate
Height improves the investment of maintenance.
Utility model content
The purpose of this utility model is to provide a kind of hybrid power systems, to solve the same step gear shifting of existing hybrid dynamic system
Device and motor output shaft it is coaxially connected be difficult to ensure concentricity require the problem of.Meanwhile the utility model additionally provides one kind and makes
With the vehicle of the hybrid power system, to solve the coaxially connected vehicle of synchronous selector and motor output shaft in existing hybrid dynamic system
High failure rate, maintenance put into big problem.
The hybrid power system of the utility model includes that engine, main drive motor and speed change gear, speed change gear include
The input side of planetary gear speed reducing mechanism and gearbox, planetary gear speed reducing mechanism is connect with driving engine, the center input shaft of gearbox
It is sequentially connected with the main output end for driving motor, the center output shaft of the planetary gear speed reducing mechanism and the center output shaft of gearbox are same
Axis connection, and there is the connecting pin being sequentially connected with vehicle bridge, the center input shaft and center output shaft of gearbox are by being located at diameter
It is sequentially connected to the gearshift of a side position.
The gearshift of gearbox is located at a radial side position for center input shaft in the hybrid dynamic system of the utility model, this
Sample gearbox by center output shaft and it is main drive between motor it is coaxially connected be easier to guarantee, and gearshift is located at speed change
In case, in processing on the one hand machining accuracy is controlled by gearbox producer, it is easy to realize.It not only ensure that processing and dress
With precision, processing and assembly cost are also reduced.
Specifically, gearshift includes the drive shaft positioned at the center input shaft side of gearbox, drive shaft and change
It is respectively corresponded on the center input shaft of fast case and is equipped with multistage power shift gear, drive shaft is equipped with transmission synchronizer.
Preferably, gearshift is two-speed gear shift mechanism, and two gear shifts have been able to realize a variety of speed ratios.
Certainly, compact for structure, the center input shaft of gearbox is hollow shaft, and the center output shaft of gearbox is coaxial
Through its center input shaft and connect with vehicle bridge.
In addition, the hybrid power system further includes ISG motor, planetary gear speed reducing mechanism passes through its planet carrier and driving engine
The sun gear of connection, ISG motor and planetary gear speed reducing mechanism is sequentially connected, and is closely arranged before and after planetary gear speed reducing mechanism and gearbox,
ISG motor and the main forward and backward side driven motor and be located at planetary gear speed reducing mechanism and gearbox.
The vehicle of the utility model includes vehicle frame and the hybrid power system that is mounted on vehicle frame, hybrid power system packet
Include engine, main drive motor and speed change gear, speed change gear includes planetary gear speed reducing mechanism and gearbox, planetary gear speed reducing mechanism
Input side is connect with driving engine, and the center input shaft of gearbox and the main output end for driving motor are sequentially connected, the planet
The center output shaft of deceleration mechanism and the center output shaft of gearbox are coaxially connected, and have the connection being sequentially connected with vehicle bridge
End, the center input shaft and center output shaft of gearbox are sequentially connected by being located at the gearshift of a radial side position.
The gearshift of the gearbox of the vehicle of the utility model is located at a radial side position for center input shaft, becomes in this way
Fast case by center output shaft and it is main drive between motor it is coaxially connected be easier to guarantee, and gearshift is located at gearbox
It is interior, in processing on the one hand machining accuracy is controlled by gearbox producer, it is easy to realize.In this way convenient for guarantee vehicle speed variation
The required precision connected between case and motor, reduces the failure rate of vehicle, and vehicle operation is relatively reliable.
Specifically, gearshift includes the drive shaft positioned at the center input shaft side of gearbox, drive shaft and change
It is respectively corresponded on the center input shaft of fast case and is equipped with multistage power shift gear, drive shaft is equipped with transmission synchronizer.
Preferably, gearshift is two-speed gear shift mechanism, and two gear shifts have been able to realize a variety of speed ratios.
Certainly, compact for structure, the center input shaft of gearbox is hollow shaft, and the center output shaft of gearbox is coaxial
Through its center input shaft and connect with vehicle bridge.
In addition, the hybrid power system further includes ISG motor, planetary gear speed reducing mechanism passes through its planet carrier and driving engine
The sun gear of connection, ISG motor and planetary gear speed reducing mechanism is sequentially connected, and is closely arranged before and after planetary gear speed reducing mechanism and gearbox,
ISG motor and the main forward and backward side driven motor and be located at planetary gear speed reducing mechanism and gearbox.
Detailed description of the invention
Fig. 1 is the drive path schematic diagram of the hybrid power system of the utility model.
In attached drawing: 1, engine；2, torsion vibration absorber；3, lockable mechanism；4, ISG motor；5, planetary gear train；5A, row
Star gear train planet carrier；5B, planetary gear train gear ring；5C, planetary gear train sun gear；6, gearbox；6A, speed reducing gear pair；
6B, a gear driven gear；6C, transmission synchronizer；6D, second gear driven gear；6E, gearbox center input shaft；6F, second gear
Driving gear；6G, a gear driving gear；7, main drive motor；8, electric machine controller；9, power battery；10, vehicle bridge.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The embodiment one of the vehicle of the utility model, including vehicle frame, the mixing that driving vehicle driving is equipped on vehicle frame are dynamic
Force system.Fig. 1 shows the drive path of hybrid power system, hybrid power system include engine 1, main drive motor 7 and
Speed change gear, speed change gear include planetary gear train 5 and gearbox 6.
Engine 1 is connected by torsion vibration absorber 2 with planetary gear train planet carrier 5A, the rotor and planet tooth of ISG motor 4
Train sun gear 5C is connected, and lockable mechanism 3 also connect with the rotor of ISG motor 4 and when needed by rotor locking.
Main drive motor 7 is connect with gearbox center input shaft 6E, and gearbox center input shaft 6E is hollow shaft, in gearbox
Heart input shaft is sequentially connected by the gearshift and its center output shaft for being located at a radial side position.Gearshift includes being located at
It respectively corresponds on the drive shaft of the gearbox center side input shaft 6E, drive shaft and gearbox center input shaft 6E equipped with two
Grade power shift gear, i.e., one gear driven gear 6B and second gear driven gear 6D, wherein on drive shaft one gear driven gear 6B and
Transmission synchronizer is equipped between second gear driven gear 6D.Correspondingly, gearbox center input shaft 6E be equipped with one gear from
One gear driving gear 6G of moving gear 6B adaptation engagement and the two gear driving gear engaged with second gear driven gear 6D adaptation
6F.It is defeated that drive shaft also passes through center output shaft on speed reducing gear pair 6A and planetary gear train gear ring 5B, the center of gearbox
Shaft is coaxially connected, and the center output shaft of gearbox coaxially passes through gearbox center input shaft 6E and connect with vehicle bridge 10.
Planetary gear train 5 and 6 front and back of gearbox are closely arranged, and ISG motor 4 and main drive motor 7 are located at planetary gear
It is the forward and backward side of 5 and gearbox 6.ISG motor 4 and main drive motor 7 are all connected with electric machine controller 8, and are electrically connected with power battery 9
It connects.
The work such as pure electric drive, combination drive, engine direct drive, Brake energy recovery may be implemented in the hybrid power system
Mode, described in detail below:
1, pure electric vehicle drive mode
Engine 1 does not start, and ISG motor 4 does not work, and lockable mechanism 3 unclamps, and main drive motor 7 drives, and power passes through main drive
The output shaft of motor 7 is transferred to gearbox 6, exports through 6 deceleration torque increase rear center's output shaft of gearbox for driving vehicle to travel.
According to different speed and duty requirements, gearbox 6 selects different work gears, so that meeting vehicle working condition traveling demand
Under the premise of, main drive motor 7 works in high efficiency region always, thus lifting system efficiency.
2, combination drive mode
Lockable mechanism 3 unclamps under this mode, and engine 1 works, and adjusts turning for engine 1 according to vehicle demand ISG motor 4
Speed and torque, so that engine 1 runs to promote fuel economy, while main 7, drive motor always in high efficiency region
Power-assisted is determined whether according to vehicle demand torque, when vehicle demand torque is larger, engine 1 provides torque and is unable to satisfy vehicle demand
When, main 7 output torque of drive motor drives vehicle；When the torque that engine 1 exports can satisfy vehicle demand torque, main drive electricity
Machine 7 does not work, and gearshift is in neutral gear, can be to avoid main drive motor 7 with turning bring loss in efficiency；At engine 1
In high efficient area, and when the torque exported by planetary gear train 5 is greater than vehicle demand, gearshift be in non-empty gear, leads
It drives motor 7 and is in power generation mode, extra mechanical energy is converted into power storage into power battery 9.
3, engine direct drives mode
When speed is higher, engine 1 is in high efficiency region work, 3 locking ISG motor 4 of lockable mechanism, so that starting
Machine 1 is in straight and drives mode, and engine 1 directly drives vehicle driving under this mode, and main drive motor 7 is determined according to vehicle demand torque
Whether power-assisted.This mode eliminates the operating condition of ISG electric power generation relative to hybrid mode, eliminates the transition boost of energy
Energy utilization efficiency.
4, Brake energy recovery mode
Engine 1 does not work under this mode, and ISG motor 4 does not work, and main drive motor 7 provides brake force, according to different systems
Power demand makes gearbox 6 be in different gears, to guarantee sufficient braking torque, promotes main 7 energy regenerating of drive motor
Efficiency.
The vehicle of the utility model makes winner's drive motor be in high efficiency region work by the selection of different gears, is promoted
System effectiveness, in neutral gear, can to avoid main zero torque of drive motor with turning the case where.
In the gearbox of the vehicle of the utility model, gearshift is located at a radial side position for center input shaft, in this way
Gearbox by center output shaft and it is main drive between motor it is coaxially connected be easier to guarantee, and gearshift is located at gearbox
It is interior, in processing on the one hand machining accuracy is controlled by gearbox producer, it is easy to realize.In this way convenient for guarantee vehicle speed variation
The required precision connected between case and motor, reduces the failure rate of vehicle, and vehicle operation is relatively reliable.
Certainly, the vehicle of the utility model is not limited in above-described embodiment.
Above embodiment is the explanation carried out by taking the vehicle of two gear gearboxes as an example, in other embodiments, speed change
Case can be three gears or four gears or more, and different designs is carried out with specific reference to different vehicles.Above implementation
In example, the center input shaft of gearbox is hollow shaft, the center output shaft of gearbox coaxially through its center input shaft and and vehicle
Bridging connects, and in other embodiments, the center input shaft of gearbox can be solid shafting, and the center output shaft of gearbox passes through
Other drive paths are connect with vehicle bridge, at this point, drive mechanism can be complex.Alternatively, in other embodiments, main drive motor
And/or ISG motor can position between gearbox and planetary gear train.
The utility model additionally provides the embodiment of hybrid power system: where the specific structure of hybrid power system with
Mixed power system structure in the embodiment of above-mentioned vehicle is identical, just no longer specifically describes.
Claims (10)
1. a kind of hybrid power system, including engine, main drive motor and speed change gear, speed change gear include planetary reducer
The input side of structure and gearbox, planetary gear speed reducing mechanism is connect with driving engine, the center input shaft of gearbox and main drive motor
Output end transmission connection, characterized in that the center output shaft of the planetary gear speed reducing mechanism and the center output shaft of gearbox are same
Axis connection, and there is the connecting pin being sequentially connected with vehicle bridge, the center input shaft and center output shaft of gearbox are by being located at diameter
It is sequentially connected to the gearshift of a side position.
2. hybrid power system according to claim 1, characterized in that gearshift includes defeated positioned at the center of gearbox
Enter the drive shaft of axis side, is respectively corresponded on the center input shaft of drive shaft and gearbox and be equipped with multistage power shift gear, passed
Turn axis is equipped with transmission synchronizer.
3. hybrid power system according to claim 1 or 2, characterized in that gearshift is two-speed gear shift mechanism.
4. hybrid power system according to claim 1 or 2, characterized in that the center input shaft of gearbox is hollow shaft,
The center output shaft of gearbox coaxially through its center input shaft and connect with vehicle bridge.
5. hybrid power system according to claim 1 or 2, characterized in that the hybrid power system further includes ISG electricity
Machine, planetary gear speed reducing mechanism are connect by its planet carrier with driving engine, the sun gear transmission of ISG motor and planetary gear speed reducing mechanism
Connection is closely arranged before and after planetary gear speed reducing mechanism and gearbox, ISG motor and main drives motor be located at planetary gear speed reducing mechanism with
The forward and backward side of gearbox.
6. a kind of vehicle, including vehicle frame and the hybrid power system being mounted on vehicle frame, hybrid power system include engine,
Main drive motor and speed change gear, speed change gear include planetary gear speed reducing mechanism and gearbox, the input side of planetary gear speed reducing mechanism with
Driving engine connection, the center input shaft of gearbox and the main output end for driving motor are sequentially connected, characterized in that the planet
The center output shaft of deceleration mechanism and the center output shaft of gearbox are coaxially connected, and have the connection being sequentially connected with vehicle bridge
End, the center input shaft and center output shaft of gearbox are sequentially connected by being located at the gearshift of a radial side position.
7. vehicle according to claim 6, characterized in that gearshift includes positioned at the center input shaft side of gearbox
Drive shaft, respectively correspond on the center input shaft of drive shaft and gearbox and be equipped with multistage power shift gear, on drive shaft
Equipped with transmission synchronizer.
8. vehicle according to claim 6 or 7, characterized in that gearshift is two-speed gear shift mechanism.
9. vehicle according to claim 6 or 7, characterized in that the center input shaft of gearbox is hollow shaft, gearbox
Center output shaft coaxially through its center input shaft and connect with vehicle bridge.
10. vehicle according to claim 6 or 7, characterized in that the hybrid power system further includes ISG motor, planet
Deceleration mechanism is connect by its planet carrier with driving engine, the sun gear transmission connection of ISG motor and planetary gear speed reducing mechanism, row
Closely it is arranged before and after star deceleration mechanism and gearbox, ISG motor and main drive motor are located at planetary gear speed reducing mechanism and gearbox
Forward and backward side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821062087.5U CN208630351U (en) | 2018-07-05 | 2018-07-05 | Hybrid power system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821062087.5U CN208630351U (en) | 2018-07-05 | 2018-07-05 | Hybrid power system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208630351U true CN208630351U (en) | 2019-03-22 |
Family
ID=65736338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821062087.5U Active CN208630351U (en) | 2018-07-05 | 2018-07-05 | Hybrid power system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208630351U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682786A (en) * | 2018-07-05 | 2020-01-14 | 郑州宇通客车股份有限公司 | Hybrid power system and vehicle |
| CN111071029A (en) * | 2019-12-30 | 2020-04-28 | 天津中德传动有限公司 | Power assembly with coaxial hybrid two-gear gearbox |
-
2018
- 2018-07-05 CN CN201821062087.5U patent/CN208630351U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682786A (en) * | 2018-07-05 | 2020-01-14 | 郑州宇通客车股份有限公司 | Hybrid power system and vehicle |
| CN111071029A (en) * | 2019-12-30 | 2020-04-28 | 天津中德传动有限公司 | Power assembly with coaxial hybrid two-gear gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |