CN202923373U - Clutch-free hybrid power system - Google Patents
Clutch-free hybrid power system Download PDFInfo
- Publication number
- CN202923373U CN202923373U CN2012202141424U CN201220214142U CN202923373U CN 202923373 U CN202923373 U CN 202923373U CN 2012202141424 U CN2012202141424 U CN 2012202141424U CN 201220214142 U CN201220214142 U CN 201220214142U CN 202923373 U CN202923373 U CN 202923373U
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- China
- Prior art keywords
- controller
- isg
- drive motor
- hybrid power
- motor
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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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- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The utility model relates to a clutch-free hybrid power system which comprises an engine and a hybrid power vehicle controller, wherein the engine is connected with an engine controller and an integrated starter generator (ISG) motor. The ISG motor is connected with an ISG motor controller, an ISG motor inverter and a transmission connected with a transmission controller and a differential one. The ISG motor inverter is connected with a high-voltage storage battery which is connected with a battery management system and a plurality of drive motor inverters. The drive motor inverters are connected with a drive motor which is connected with a drive motor controller and a differential two, and the hybrid power vehicle controller is connected with an engine controller, the ISG motor controller, the inverter controller, the drive motor controller and the battery management system through a controller area network (CAN). The clutch-free hybrid power system has the advantages that the ISG motor is compact in arrangement, and controls the simple and quick engine to automatically start and stop in the smooth shifting process without power interruption. The clutch-free hybrid power system is driven by four wheels, and can realize parallel control and series control.
Description
Technical field
The utility model relates to a kind of automobile dynamic system, refers more particularly to a kind of hybrid power system of no-clutch.
Background technology
In the middle of traditional automobile dynamic system, power-transfer clutch parts such as the turbine transformer of similar functions (or possess) is indispensable, and its radical function is embodied in following several aspect:
The first guarantees the gentle start of automobile.In Vehicle Starting Process, if driving system and driving engine are rigidly connected, will to cause very large resisting moment to cause motor torque sharply to descend to driving engine even flame-out in case hang gear for change-speed box.
It two is to realize smooth-going gearshift.Need to interrupt the Meshing Pair disengagement that power transmission is convenient to former gear by power-transfer clutch when gearshift, make simultaneously new gear Meshing Pair and the speed that meshes the position progressively tend to synchronous.When making gearshift, work is smooth-going.
To prevent the driving system overload in addition.When automobile carries out emergency braking, if there is no power-transfer clutch, driving engine with because of and driving system is rigidly connected sharply reduces rotating speed, thereby wherein all movement parts will produce very large moment of inertia, driving system is caused over the load of its photometry in ability, and its parts are damaged.
In the middle of prior art, a kind of hybrid power system that adopts the single shaft parallel connection can greatly reduce the frequency of utilization of power-transfer clutch and improve the applying working condition of power-transfer clutch.Its scheme is by install hybrid powder motor additional between power-transfer clutch and change-speed box.When low speed, drive vehicle by hybrid electric motor and reduced the control process of using the power-transfer clutch starting, in the middle of shift process, keep clutch closed state, control by the torque and rotational speed of motor and driving engine and realize smooth-going gearshift.
Such scheme has guaranteed to have improved under the prerequisite of road holding frequency of utilization and the applying working condition of power-transfer clutch to a certain extent.But simultaneously also there is certain problem in such scheme: at first be set up and have certain difficulty owing to keeping the cloth of power-transfer clutch at hybrid powder motor; Secondly limited space has proposed higher requirement to the selection of hybrid powder motor; At last, due to after hybrid powder motor is arranged in power-transfer clutch, when realizing that by hybrid powder motor the driving engine automatic start-stop is controlled, step is comparatively complicated, strengthened on the one hand the control difficulty, the time of control process while is longer, therefore, should further improve prior art.
The utility model content
The purpose of this utility model is to provide a kind of hybrid power system of no-clutch, to overcome the deficiency of the above-mentioned aspect of existing product.
The purpose of this utility model is to be achieved through the following technical solutions:
the hybrid power system of the described a kind of no-clutch of the utility model embodiment, comprise driving engine and hybrid power whole vehicle controller, driving engine is connected with engine controller and ISG motor, the ISG motor is connected with the ISG electric machine controller, ISG motor inverter and change-speed box, change-speed box is connected with gearbox controller and diff one, described ISG motor inverter is connected with high tension battery, high tension battery is connected with battery management system and several drive motor inverters, the drive motor inverter is connected with drive motor, drive motor is connected with drive motor controller and diff two, described hybrid power whole vehicle controller is connected with battery management system with engine controller, ISG electric machine controller, gearbox controller, drive motor controller by the CAN network.
Further, the number of described drive motor inverter is 1-2.
Further, described diff one and diff two are separately fixed on the antero posterior axis of automobile.
The beneficial effects of the utility model are: the ISG motor arrangement is compact, and the smooth-going shift process of power failure-free is controlled the driving engine automatic start-stop of Simple fast and controlled; Four wheel drive can be realized the series-parallel connection power system that parallel control and series connection are controlled.
Description of drawings
The below is described in further detail the utility model with reference to the accompanying drawings.
Fig. 1 is the structured flowchart of the hybrid power system of the described a kind of no-clutch of the utility model embodiment.
In figure:
1, driving engine; 2, engine controller; 3, ISG electric machine controller; 4, ISG motor; 5, ISG motor inverter; 6, gearbox controller; 7, change-speed box; 8, diff one; 9, high tension battery; 10, drive motor controller; 11, drive motor; 12, drive motor inverter; 13, battery management system; 14, diff two; 15, hybrid power whole vehicle controller.
The specific embodiment
as shown in Figure 1, the hybrid power system of the described a kind of no-clutch of the utility model embodiment, comprise driving engine 1 and hybrid power whole vehicle controller 15, driving engine 1 is connected with engine controller 2 and ISG motor 4, ISG motor 4 is connected with ISG electric machine controller 3, ISG motor inverter 5 and change-speed box 7, change-speed box 7 is connected with gearbox controller 6 and diff 1, described ISG motor inverter 5 is connected with high tension battery 9, high tension battery 9 is connected with battery management system 13 and several drive motor inverters 12, drive motor inverter 12 is connected with drive motor 11, drive motor 11 is connected with drive motor controller 10 and diff 2 14, described hybrid power whole vehicle controller 15 is connected with battery management system with engine controller 2, ISG electric machine controller 3, gearbox controller 6, drive motor controller 10 by the CAN network and is connected, the number of described drive motor inverter 12 is 1-2, described diff 1 and diff 2 14 are separately fixed on the antero posterior axis of automobile.
During concrete the use, for front shaft drying vehicle, replaced power-transfer clutch and do not changed the layout of former automotive power with ISG motor 4, cloth centrally-mounted driving 11 on rear axle, increase high tension battery 9 and battery management system 13, high tension battery 9 can provide energy for two hybrid powder motors, also can store the electric energy that hybrid powder motor produces by generating simultaneously.
In the middle of above-mentioned hybrid electric drive system, engine controller 2, gearbox controller 6, battery management system 13 all with by the CAN network is connected with hybrid power whole vehicle controller 15 with drive motor controller 10.Carry out work by hybrid power whole vehicle controller 15 according to the driving demand of chaufeur and operating condition control engine and the motor of vehicle.
When Vehicle Starting Process, hybrid power whole vehicle controller 15 control engines 1 are in stopped status, and change-speed box 7 is in neutral position state, and rear axis drive motor 11 provides drive torque to drive the vehicle start operation.hybrid power whole vehicle controller 15 determines whether according to chaufeur demand and running conditions of vehicle needs start the engine 1, the propulsive effort that for example the chaufeur demand is larger or the energy of high tension battery 9 are reduced to a threshold value, at this moment, provide staring torque to pull engine running by ISG motor 4, control engine controller 2 carries out the automatic startup that fuel feeding is realized driving engine 1, if judge simultaneously when corresponding driving engine 1 rotating speed of the speed of a motor vehicle and target gear satisfies the operation range of driving engine 1, control 4 pairs of change-speed box 7 input shafts of ISG motor and carry out speed governing, when change-speed box 7 input shaft rotating speeds during near rotating speed of target, stop the speed governing operating mode of ISG motor 4 and control change-speed box 7 controllers and carry out engage a gear, engage a gear is controlled driving engine 1 and two motors according to demand and the running conditions of vehicle of chaufeur after completing.Due to the speed-regulating function of ISG motor 4, what can guarantee to shift gears is smooth-going; Due to rear axis drive motor 11 and the coupling of front axle machinery-free, can continually provide drive torque to satisfy the demand of chaufeur in the middle of speed governing and engage a gear process simultaneously.
When vehicle carries out shift process control, the torque of unloading driving engine 1 and ISG motor 4 is controlled, so that change-speed box 7 hangs neutral, adjust to rotating speed of target corresponding to target gear by ISG electric machine controller 3 input shafts afterwards, withdraw from speed control this moment and facilitate change-speed box 7 to hang new gear.Equally, after when having guaranteed smooth gear shifting, axis drive motor 11 can guarantee the shift process power failure-free.
When driving engine 1 automatic start-stop was controlled, unloading driving engine 1 and 4 torques of ISG motor were controlled, so that change-speed box 7 hangs neutral, provided certain smooth-going shutdown that torque realizes driving engine 1 that drags by ISG motor 4 afterwards.When driving engine 1 need to restart, similarly can realize the smooth-going startup of driving engine 1 with starting-up process.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation on its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection domain of the present utility model.
Claims (3)
1. the hybrid power system of a no-clutch, comprise driving engine (1) and hybrid power whole vehicle controller (15), it is characterized in that: driving engine (1) is connected with engine controller (2) and ISG motor (4), ISG motor (4) is connected with ISG electric machine controller (3), ISG motor inverter (5) and change-speed box (7), change-speed box (7) is connected with gearbox controller (6) and diff one (8), described ISG motor inverter (5) is connected with high tension battery (9), high tension battery (9) is connected with battery management system (13) and several drive motor inverters (12), drive motor inverter (12) is connected with drive motor (11), drive motor (11) is connected with drive motor controller (10) and diff two (14), described hybrid power whole vehicle controller (15) is connected 13 with engine controller (2), ISG electric machine controller (3), gearbox controller (6), drive motor controller (10) with battery management system by the CAN network) be connected.
2. the hybrid power system of a kind of no-clutch according to claim 1 is characterized in that: the number of described drive motor inverter (12) is 1-2.
3. the hybrid power system of a kind of no-clutch according to claim 1 and 2, it is characterized in that: described diff one (8) and diff two (14) are separately fixed on the antero posterior axis of automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202141424U CN202923373U (en) | 2012-05-11 | 2012-05-11 | Clutch-free hybrid power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202141424U CN202923373U (en) | 2012-05-11 | 2012-05-11 | Clutch-free hybrid power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202923373U true CN202923373U (en) | 2013-05-08 |
Family
ID=48213367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202141424U Expired - Fee Related CN202923373U (en) | 2012-05-11 | 2012-05-11 | Clutch-free hybrid power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202923373U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527410A (en) * | 2014-12-17 | 2015-04-22 | 朱恒 | Automotive numerical control variable-speed drive system |
| CN105857300A (en) * | 2016-06-27 | 2016-08-17 | 北京新能源汽车股份有限公司 | Control method and system of clutch in hybrid electric vehicle and hybrid electric vehicle |
| CN106515419A (en) * | 2016-12-21 | 2017-03-22 | 景德镇陶瓷大学 | Oil-electric hybrid forklift |
-
2012
- 2012-05-11 CN CN2012202141424U patent/CN202923373U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527410A (en) * | 2014-12-17 | 2015-04-22 | 朱恒 | Automotive numerical control variable-speed drive system |
| CN105857300A (en) * | 2016-06-27 | 2016-08-17 | 北京新能源汽车股份有限公司 | Control method and system of clutch in hybrid electric vehicle and hybrid electric vehicle |
| CN105857300B (en) * | 2016-06-27 | 2020-03-10 | 北京新能源汽车股份有限公司 | Control method and system of clutch in hybrid electric vehicle and hybrid electric vehicle |
| CN106515419A (en) * | 2016-12-21 | 2017-03-22 | 景德镇陶瓷大学 | Oil-electric hybrid forklift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20200511 |