CN202935147U - Hybrid bus drive device - Google Patents
Hybrid bus drive device Download PDFInfo
- Publication number
- CN202935147U CN202935147U CN2012204554065U CN201220455406U CN202935147U CN 202935147 U CN202935147 U CN 202935147U CN 2012204554065 U CN2012204554065 U CN 2012204554065U CN 201220455406 U CN201220455406 U CN 201220455406U CN 202935147 U CN202935147 U CN 202935147U
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- clutch
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- gear ring
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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 relates to a hybrid bus drive device. The hybrid bus drive device comprises a generator, an engine, a planetary gear mechanism and an electric motor which are connected in sequence, wherein an output shaft of the engine is connected with a gear ring, an output shaft of the electric motor is connected with a sun wheel, and a planet carrier is connected with a wheel driving shaft. The hybrid bus drive device is characterized by further comprising a first clutch capable of being connected with the gear ring and the planet carrier, and a second clutch capable of enabling the gear ring to be locked. The hybrid bus drive device enables the engine to perform two-gear outputting through matching of the clutches and the planetary gear mechanism, can achieve a hybrid generator direct drive mode and reduce loss in the energy converting and transferring process, and the hybrid bus drive device is especially suitable for urban buses and the like which often run at medium-low speed.
Description
Technical field
The utility model relates to a kind of drive device for hybrid vehicle, especially the hybrid-power bus actuating device.
Background technology
New-energy automobile general using driving engine and two kinds of energy conversion devices of electrical motor such as hybrid vehicle, automobile or a diesel oil equal energy source part are changed into electric energy, another part is used for directly driving, taken into account traditional fuel-engined vehicle and novel electric vehicle advantage both, the exhaust emission that minimizing causes due to fuel oil, simultaneously can reclaim braking energy, so energy-saving and emission-reduction have important item to offer to people's life and national economic development.
Hybrid electric drive system generally has tandem, parallel, series parallel type, wherein series parallel type is the hybrid power system type of drive that generally adopts at present, the arrangement of series-parallel hybrid electric system combines the characteristics of tandem arrangement and parallel arrangement, provide according to different operating modes allow oil, two kinds of energy of electricity respectively according to series, parallel or connection in series-parallel in conjunction with three kinds of work patterns, thereby make hybrid power system to select different power driven modes according to different operating modes.Generally from widening the engine fuel economic zone, improve existing mixed power plant in prior art, make the driving engine more time in oil consumption economic zone work.
In the Patent Application Publication text of Chinese patent CN101450607A " hybrid electric drive system and driving method thereof " by name, a kind of hybrid electric drive system is disclosed, this system comprises driving engine, motor, sun and planet gear and wheel drive shaft, described sun and planet gear comprises the first rotating element, the second rotating element and the 3rd rotating element, described the first rotating element is connected to the output shaft of described driving engine, described the second rotating element is connected to described wheel drive shaft, and described the 3rd rotating element is connected to the output shaft of described motor.This system also comprises: first clutch, described first clutch are arranged between the first rotating element of the output shaft of described driving engine and described sun and planet gear; And second clutch, described second clutch is arranged between the second rotating element of described wheel drive shaft and described sun and planet gear.This hybrid electric drive system is when engine operation, and driving engine can always be in oil consumption economic zone operation, thereby can reduce to greatest extent oil consumption.
But, in said system, in a single day driving engine works, drive characteristics according to three rotating elements of planetary wheel, the power of driving engine can only be exported than by planetary wheel with a constant output, in the situation that the speed of a motor vehicle changes, if want to allow driving engine stably be operated in the oil consumption economic zone, can only carry out speed governing by electrical motor, need to all keep electrical motor participation work in the whole process of vehicle operating.On the other hand, when driving engine is in efficient region of operation (for example 70-80km/h), when no longer needing electrical motor to assist, the power of driving engine still needs to transmit by planetary wheel, be used on the one hand driving vehicle, through planetary transmission meeting produce power loss, be in the full size vehicle of this speed interval for the most of the time, such as city bus, because the fuel economy of this part degradation of energy impact is very important.
The utility model content
Therefore, the technical problems to be solved in the utility model is large for the loss of the planetary transferring energy of the mode of operation of hybrid power system driving engine of the prior art combination drive and is difficult to make often to be in the travel vehicle of work of low-medium speed and to be in efficient region of operation, provides a kind of and is applicable under the low-medium speed operation operating mode of being everlasting and makes such vehicle be in the hybrid power system of efficient region of operation.
The hybrid power system that the utility model provides comprises that electrical generator, driving engine, sun and planet gear and electrical motor are connected successively, and sun and planet gear comprises gear ring, sun wheel and pinion carrier, and wherein said gear ring is connected with the output shaft of described driving engine; Described sun wheel is connected with described motor rotor; Described pinion carrier is connected with wheel drive shaft; Closed-center system is connected with electric electromechanics with electrical generator; Also comprise the first arrangement of clutch in native system, it is arranged between described gear ring and described pinion carrier, is used for realizing described gear ring and is connected the connection of pinion carrier or separately; With the second arrangement of clutch, it is arranged between car body fixed parts and described gear ring, and the car body fixed parts can be the housing of sun and planet gear outside here.
Also comprise a control system in native system, described electrical generator, electrical motor, described the first arrangement of clutch, described the second arrangement of clutch are electrically connected to described control system.
Description of drawings
Fig. 1 is the utility model mixed power system structure schematic diagram.
Wherein, the 10th, electrical generator, the 20th, electrical motor, the 30th, sun and planet gear, the 31st, gear ring, the 310th, gear ring extension, the 32nd, sun wheel, the 33rd, pinion carrier, the 40th, electrical motor, the 50th, wheel drive shaft, C1 are the first arrangement of clutch, and C2 is the second arrangement of clutch, and C3 is the 3rd arrangement of clutch.
The specific embodiment
The structural representation of the hybrid power system that the utility model is provided below in conjunction with specific embodiment is described in detail.
Figure 1 shows that hybrid power system described in the utility model, comprise electrical generator 10, driving engine 20, sun and planet gear 30, electrical motor 40 and closed-center system (not marking in the drawings), wherein driving engine 20 is connected with electrical generator 10, sun and planet gear comprises gear ring 31, sun wheel 32 and pinion carrier 33, wherein said gear ring 31 is connected with described driving engine 20 output shafts, described sun wheel 32 is connected with described electrical motor 40 rotors, described pinion carrier 33 be connected with wheel drive shaft 50, closed-center system is electrically connected to described electrical generator 10 and described electrical motor 40, stores the electric energy that described electrical generator 10 and electrical motor 40 produce, and also is used to described electrical motor 40 power supplies, and it is super capacitor that described closed-center system is set in the present embodiment, in addition, also comprise the first arrangement of clutch 61 and the second arrangement of clutch 62, wherein, the first arrangement of clutch 61 is arranged between described gear ring 31 and described pinion carrier 33, gear ring described in the present embodiment 31 has extension, the axle center of described extension and described sun and planet gear 30 rotation centerlines are located along the same line, described extension is captiveed joint with described driving engine 20 output shafts, described extension have with described driving engine 20 output shafts mutually vertical and with an extended surface 310 of described pinion carrier 33 1 parallel sided, described the first arrangement of clutch 61 is arranged between the described side of described extended surface 310 and pinion carrier 33, described the first arrangement of clutch 61 is set in the present embodiment is lamella clutch, comprise friction lining and antithesis sheet, both selectively be arranged on described extended surface 310 and described pinion carrier 33 sides on, the second arrangement of clutch 62 is arranged between car body fixed parts and described gear ring 31, described car body fixed parts can be for being arranged on the housing of described sun and planet gear 30 outsides, described the second arrangement of clutch 62 can be the steel band type power-transfer clutch, and described steel band type power-transfer clutch comprises the steel band that is fixed on inner walls and coordinates locking with described steel band or throw off described gear ring 31, in addition, described electrical motor 40 rotors have hollow shaft mechanism, and described Power Available Shaft passes described hollow shaft and is connected with wheel, drive vehicle wheel rotation.
For above-mentioned the first arrangement of clutch 61, can near pinion carrier 33 1 sides, the male splines structure be installed on the extended surface of gear ring 31, the friction lining of the first arrangement of clutch 61 (or antithesis sheet) has internal spline structure, be arranged on extended surface 310 1 sides with nested type, the antithesis sheet (or friction lining) of described pinion carrier 33 1 sides is installed on pinion carrier 33 in the same way.In pinion carrier 33 or gear ring 31, a side is connected in automobile hydraulic system, promotes gear ring 31 or pinion carrier 33 by hydraulic efficiency pressure system, makes the joint of the friction lining of the first arrangement of clutch 61 and antithesis sheet or separately.
As another embodiment of the present utility model, described the second arrangement of clutch 62 can be also clutch with multiple laminated disc, and described multi-sheet wet-type power-transfer clutch comprises friction lining and antithesis sheet, both selectively is arranged on respectively on the gear ring outside and described housing.
As another embodiment of the present utility model, described closed-center system can be electrokinetic cell.
Further, on the basis of above-described embodiment, also comprise a control system, described electrical generator 10, described electrical motor 40, described the first arrangement of clutch 61, described the second arrangement of clutch 62 are electrically connected to described control system, namely control easily the mode of operation of above-mentioned parts by control system.
Hybrid electric drive system described in the present embodiment has following four kinds of mode of operation:
One, pure motorized motions pattern: driving engine 20 does not start, the first arrangement of clutch 61 is in disengaged condition, the second arrangement of clutch 62 is in engagement state, powered to electrical motor 40 by closed-center system, the rotation that control system is controlled electrical motor 40 rotors passes to the sun wheel 32 of sun and planet gear by tween drive shaft 50, the rotation of sun wheel 32 drives the rotation of pinion carrier 33, thereby drives the rotation of wheel drive shaft 52 by transmission gear 51, and then drives wheel.Can adjust according to the operating mode needs rotating speed and the torque of electrical motor 40.Because gear ring 31 and casing are in engagement state, gear ring 21 is fixing, and the rotating speed of electrical motor 40 is exported by sun and planet gear with certain transmitting ratio, drives separately Vehicle Driving Cycle by electrical motor 40.In order to bring into play to greatest extent the advantage of native system, can the planetary size of appropriate design, make electrical motor with high raising speed specific output, do like this and be conducive to reduce motor volume, save interior space.
Two, combination drive pattern: driving engine 20 starts, and the first arrangement of clutch 61 is in disengaged condition, and the second arrangement of clutch 62 is in disengaged condition, driving engine 20 is by gear ring 31 outputting powers, power is passed to tween drive shaft 50 after pinion carrier 33 is transmitted, wheel drive shaft 50 rotations, and then drive vehicle.The electrical motor 40 that be connected with sun wheel 32 this moment can be used as buncher, with driving engine 20 rotating speed couplings, makes the efficient operating range of distinguishing of engine fuel wider.
Three, engine direct drives pattern: after driving engine 20 starts, the first arrangement of clutch 61 is in closure state, the second arrangement of clutch 62 is in disengaged condition, driving engine 20 is by gear ring 31 outputting powers, due to gear ring 31 and pinion carrier 33 structure that is connected as a single entity, engine power is exported to wheel drive shaft with 1:1.This moment, the electrical motor 40 that is connected with sun wheel 32 can also be as buncher, or the power of consumption of engine 20 surpluses is used for generating electricity.
The working process of hybrid electric drive system described in above-described embodiment is as follows:
At first, when vehicle start, low speed (less than the first preset vehicle speed), first clutch 61 is in disengaged condition, second clutch 62 is in engagement state, to electrical motor 40 power supplies, separately drive vehicle start and low speed driving by electrical motor 40 by closed-center system, vehicle is in electric-only mode.Electric-only mode also is applicable to the operating modes such as low speed driving in the bad situation of road conditions and climbing.
During higher than the first preset vehicle speed, starter-generator 10 is opened the second arrangement of clutch 62 when the speed of a motor vehicle, driving driving engine 20 by electrical generator 10 starts, the rotating speed of regulating electric machine 40, adapt electrical motor 40 and driving engine 20 coupling rotating speeds and the speed of a motor vehicle simultaneously, makes speed of a motor vehicle smooth transition steady.Driving engine 20 is by sun and planet gear 30 reduction of speed outputs, according to the rotating speed of regulating working conditions electrical motor 40, make driving engine 20 and electrical motor 40 rotating speed couplings, electrical motor 40 can also generate electricity where necessary, consumption of engine 20 excess energies make the more time service of driving engine 20 in the fuel efficient district.Drive system is operated in the combination drive pattern.
when the speed of a motor vehicle needs further to improve, during higher than the second preset vehicle speed, driving engine 20 can not satisfy the operating mode demand by sun and planet gear 30 reduction of speed outputs, continue to use mixed mode to be about to make it to break away from the fuel efficient district, by making vehicle enter the direct drive pattern of driving engine: closed the first arrangement of clutch C1, and make the second arrangement of clutch C2 keep throwing off, driving engine 20 drives gear ring 31 and drives wheel drive shaft 52 with pinion carrier 33 synchronous rotaries, be that the driving engine transmitting ratio is 1:1, the output energy of driving engine 20 all is used for driving wheel, this moment, electrical motor 40 was done the buncher use equally, at this moment, vehicle enters engine direct and drives pattern, namely directly driving vehicle by driving engine 10 advances.
Claims (8)
1. hybrid-power bus actuating device, comprise electrical generator (10), driving engine (20), sun and planet gear (30), electrical motor (40), closed-center system, described electrical generator (10), driving engine (20), sun and planet gear (30), electrical motor (40) is connected successively, wherein, described sun and planet gear comprises gear ring (31), with a plurality of planetary wheels that mesh in gear ring, the sun wheel (32) that connects a plurality of planetary pinion carriers (33) and mesh with a plurality of planetary wheels, described driving engine (20) output shaft is connected with described gear ring (31), described sun wheel (32) is connected with described electrical motor (40) rotor shaft, described pinion carrier (33) is connected with described Power Available Shaft (50), it is characterized in that: also comprise
The first arrangement of clutch (61) is arranged between described gear ring (31) and described pinion carrier (33), and described gear ring (31) is connected or separates with described pinion carrier (33) by described the first arrangement of clutch (61); With
The second arrangement of clutch (62) is arranged between described gear ring (31) and car body fixed parts, and described gear ring (31) is fixed or separates by described the second arrangement of clutch (62) with car body.
2. hybrid-power bus actuating device according to claim 1, is characterized in that, described electrical motor (40) rotor has hollow shaft structure, and described Power Available Shaft (50) passes described electrical motor (40) rotor hollow shaft and drives wheel.
3. hybrid-power bus actuating device according to claim 1, it is characterized in that, described gear ring (31) has extension, described extension has an extended surface (310) vertical with described sun and planet gear rotation centerline, and described the first arrangement of clutch (C1) is arranged between described extended surface (210) and described pinion carrier (33).
4. hybrid-power bus actuating device according to claim 3, it is characterized in that, described the first arrangement of clutch (61) is clutch with multiple laminated disc, comprises friction lining and antithesis sheet, selectively is arranged on described extended surface (310) one sides and described pinion carrier (33) one sides.
5. hybrid-power bus actuating device according to claim 4, is characterized in that, described the first arrangement of clutch (61) is connected with a hydraulic efficiency gear, controlled separating of described the first arrangement of clutch (61) or engaged by described hydraulic efficiency gear.
6. hybrid-power bus actuating device according to claim 1, is characterized in that, described car body fixed parts is the housing of sun and planet gear outside.
7. hybrid-power bus actuating device according to claim 6, it is characterized in that, described the second arrangement of clutch (62) is the steel band type power-transfer clutch, and described steel band type power-transfer clutch comprises the steel band that is arranged on described inner walls and the described gear ring (31) that coordinates locking or disengagement with described steel band.
8. hybrid-power bus actuating device according to claim 6, it is characterized in that, described the second arrangement of clutch (62) is multi-disc clutch device, comprises friction lining and to the coupling sheet, described friction lining and antithesis sheet selectively are arranged on respectively on described enclosure interior and described gear ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204554065U CN202935147U (en) | 2012-09-07 | 2012-09-07 | Hybrid bus drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204554065U CN202935147U (en) | 2012-09-07 | 2012-09-07 | Hybrid bus drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202935147U true CN202935147U (en) | 2013-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204554065U Withdrawn - After Issue CN202935147U (en) | 2012-09-07 | 2012-09-07 | Hybrid bus drive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202935147U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826001A (en) * | 2012-09-07 | 2012-12-19 | 天津市松正电动汽车技术股份有限公司 | Hybrid power bus driving device |
| CN107323247A (en) * | 2016-04-29 | 2017-11-07 | 罗伯特·博世有限公司 | Mixed power coupling device, hybrid electric drive system and hybrid vehicle |
| CN108973647A (en) * | 2017-06-01 | 2018-12-11 | 罗伯特·博世有限公司 | Mixed power coupling device, hybrid electric drive system and hybrid vehicle |
-
2012
- 2012-09-07 CN CN2012204554065U patent/CN202935147U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826001A (en) * | 2012-09-07 | 2012-12-19 | 天津市松正电动汽车技术股份有限公司 | Hybrid power bus driving device |
| CN102826001B (en) * | 2012-09-07 | 2015-09-30 | 天津市松正电动汽车技术股份有限公司 | A kind of hybrid-power bus actuating device |
| CN107323247A (en) * | 2016-04-29 | 2017-11-07 | 罗伯特·博世有限公司 | Mixed power coupling device, hybrid electric drive system and hybrid vehicle |
| CN108973647A (en) * | 2017-06-01 | 2018-12-11 | 罗伯特·博世有限公司 | Mixed power coupling device, hybrid electric drive system and hybrid vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130515 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |