CN104276024A - Hybrid power system - Google Patents
Hybrid power system Download PDFInfo
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- CN104276024A CN104276024A CN201310306202.4A CN201310306202A CN104276024A CN 104276024 A CN104276024 A CN 104276024A CN 201310306202 A CN201310306202 A CN 201310306202A CN 104276024 A CN104276024 A CN 104276024A
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- power system
- output shaft
- hybrid power
- hollow bearing
- seam
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Abstract
The invention provides a hybrid power system which comprises a gearbox and a hollow bearing-free motor, wherein the hollow bearing-free motor comprises a stator and a rotor mounted in the stator; the rotor comprises a turntable; the gearbox comprises an end cover and an output shaft; the stator is fixed with the end cover of the gearbox; the turntable is fixed with the output shaft of the gearbox. The hollow bearing-free motor is smartly designed, the stator is fixed with a gearbox shell and a flange at the output shaft end of the gearbox is fixed with the turntable of the rotor, so that the hybrid power system can be refitted for a common vehicle without increasing the axial length, the mounting difficulty problem of the motor is smartly solved, the refitting is convenient and the cost is saved.
Description
Technical field
The present invention relates to the power system of automobile, particularly a kind of hybrid power system.
Background technology
Along with the scarcity day by day of the energy and the outstanding day by day of environmental problem, energy-conserving and environment-protective become a global important topic.Pure electric automobile is due to the restriction of battery technology, and cost is too high, course continuation mileage is too low, can not meet the demand of people.The limited potential of existing orthodox car in fuel-economizing and reduction discharge, therefore, having energy-saving and environmental protection, efficiently hybrid vehicle becomes the development tendency of auto-industry.
Hybrid electric vehicle has reduction fuel oil consumption and reduces the advantage of exhaust emission, therefore the various hybrid power system comprising the various modes such as parallel connection, series connection and series-parallel connection is all developed both at home and abroad at present, its performance respectively has merits and faults, but any pattern all also exists a common shortcoming; Namely increase motor installation difficulty, mainly axial length increases 300-500mm, considerably increases installation difficulty, in addition, owing to lengthening vehicle rear overhang length, certainly will have influence on center of gravity and the steering stability of car load.
But, orthodox cars a large amount of on market, especially the big bus automobile of highly energy-consuming, its driving system is all with engine action sole power source, and its driving system framework is shaped, therefore, if think motor power device, be adapted as energy-conservation hybrid vehicle, will certainly will will redesign the power system of installing car load, cause the waste of former driving system and huge repacking cost, will excessive to hybrid vehicle of transmission automobile be govern.
Summary of the invention
In view of the above, it is convenient, simple that the present invention is necessary to provide a kind of repacking, and a kind of hybrid power system that cost is low.
A kind of hollow bearing-free motor, comprise hollow bearing-free motor, it is installed on change speed gear box, described hollow bearing-free motor comprises stator and is installed on the rotor in stator, described rotor comprises rotating disk, described change speed gear box comprises end cap and output shaft, described output shaft is through end cap, described stator and described gearbox cover are fixed, described rotating disk and described output shaft of gear-box affixed, described rotor also comprises magnet, described rotating disk comprises the extension that disk and disk periphery protrude out, described disk is for connecting external device, described extension comprises external cylindrical surface, described external cylindrical surface is used for fixed magnet, described disk is coordinated by a seam and is connected with described output shaft of gear-box, described seam coordinates and comprises seam lug boss and the seam concave part with seam raised portion fits, described seam concave part is opened on described disk, described seam lug boss is opened on described output shaft.
Further, described output shaft of gear-box end is provided with flange, and described flange and rotor engagement are installed.
Further, described stator comprises housing, and described housing comprises main part and lid, described main part comprises cylindrical portion and connects the base plate of cylindrical portion one end, and described cylindrical portion and base plate form a host cavity, for installing described rotor, described lid sheet ringwise, is installed on described rotating disk.
Further, the middle position of described base plate offers the first through hole, and described output shaft of gear-box is through this first through hole.
Further, described a kind of hybrid power system also comprises ECU (Electrical Control Unit), described ECU (Electrical Control Unit) comprises electric machine controller and high-tension battery group, and described electric machine controller, by detecting the electricity of Vehicular behavior and contrast high-tension battery group, controls hollow bearing-free motor.
Further, described hollow bearing-free motor, by described motor controller controls, has electricity generate function, by produced power storage in high-tension battery group.
Further, described high-tension battery group comprises some batteries and battery management system, and described battery is chargeable battery, and described battery management system is for detecting the electricity of battery.
Further, described ECU (Electrical Control Unit) comprises DC-DC circuit further, and described DC-DC circuit is a DC-DC circuit, for the cell pressure of high-tension battery group is converted to vehicle required voltage, for the circuit of car load.
Compared to prior art, the present invention adopts sleeve rotor structure, transmission shaft is directly connected with output shaft of gear-box by sleeve rotor, axial length can remain unchanged (only increasing about 15mm), be very easy to the installation of vehicle, more advantage being reequiped for used car, without the need to doing any movement to driving engine and change speed gear box, sleeve rotor motor can be arranged on gearbox cover.By the ingehious design to hollow bearing-free motor, stator and gear box casing is utilized to fix, the flange of output shaft of gear-box end and the rotating disk of rotor are fixed, solve the problem that mounted motor need increase axial length cleverly, and difficult problem fixed by motor, to common vehicle repacking hybrid power system, there is convenient, the cost-saving advantage of repacking.
Accompanying drawing explanation
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, accompanying drawing in description is only correspond to specific embodiments more of the present invention, to those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings when needing.
Fig. 1 is a kind of hybrid power system overall schematic of the present invention;
Fig. 2 is the structural representation of hollow bearing-free motor of the present invention;
Fig. 3 is the structural representation of ECU (Electrical Control Unit) of the present invention.
In figure, 10, driving engine, 20, power-transfer clutch, 30, change speed gear box, 31, output shaft, 50, hollow bearing-free motor, 51, stator, 511, housing, 513, ferrous, 515, coil, the 5112, first through hole, 53, rotor, 531, rotating disk, 533, magnet, 5311, disk, 5313, extension, 5312, the second through hole, 60, ECU (Electrical Control Unit), 61, electric machine controller, 63, high-tension battery group, 65, DC-DC circuit, 70, universal drive shaft, 80, diff, 90, wheel, 100, a kind of hybrid power system.
Detailed description of the invention
In order to elaborate the technical scheme that the present invention takes for reaching predetermined technique object, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only section Example of the present invention, instead of whole embodiments, and, under the prerequisite not paying creative work, technological means in embodiments of the invention or technical characteristic can be replaced, below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Refer to Fig. 1, the invention provides a kind of hybrid power system 100, it comprises driving engine 10, power-transfer clutch 20, change speed gear box 30, hollow bearing-free motor 50, ECU (Electrical Control Unit) 60, universal drive shaft 70, diff 80 and wheel 90.Described driving engine 10 is connected with described change-speed box 30 by power-transfer clutch 20, described hollow bearing-free motor 50 is fixedly installed on change-speed box 30, diff 80 is connected with described change speed gear box and hollow bearing-free motor 50 by universal drive shaft 70, and described diff 80 directly band motor car wheel 90 operates.
Described driving engine 10 and power-transfer clutch 20 are traditional regular fuel driving engine and ordinary clutch respectively, and driving engine 10 transfers a torque to described change speed gear box 30 through power-transfer clutch 20.
Described change speed gear box 30 comprises end cap and is located in the output shaft 31 of end cap central, described end cap has the seam concave part (scheme do not mark) coaxial with output shaft 31, the stator 51 of the hollow bearing-free motor 50 used with the present invention coordinates, to ensure that the stator 51 of this hollow bearing-free motor 50 is coaxial with described output shaft 31, described output shaft 31 protrudes out end cap.
See also Fig. 2, the rotor 53 that described hollow bearing-free motor 50 comprises stator 51 and is installed in stator 51.Described stator 10 is fixed with described gearbox cover, and rotor 53 is affixed with described output shaft of gear-box 31.Described stator 51 comprises housing 511, be installed on iron core 513 in housing 511 and coil 515.In the present embodiment, described hollow bearing-free motor 50 is cylindrical, and described housing 11 comprises main part and lid.Described main part is the tubbiness of one end open, comprise the base plate of cylindrical portion and connection cylindrical portion one end, described cylindrical portion and base plate form a host cavity, described base plate offers the seam lug boss (scheming not mark) mated with gearbox cover, for coordinating with the seam concave part of described gearbox cover, the first through hole 5112 is also offered in the middle position of this base plate, for wearing output shaft 31.Described lid sheet ringwise, is installed on the open end of described main part.Described iron core 513 is looped around outside described rotor 53, and forms certain gap with rotor 53, and described coil 515 is wound on described iron core 513, is installed in the lump in described host cavity with iron core 513.The barreled of described rotating disk 531 entirety in one end open, it comprises the extension 5313 of disk 5311 and the formation of disk 5311 periphery.The second through hole 5312 is offered in the middle position of described disk 5311, and in the present embodiment, the end of above-mentioned output shaft 31 installs a flange, forms seam coordinate by flange with this second through hole 5312, to ensure that rotating disk 5311 is coaxially connected with output shaft 31.Described extension 5313 is cylindrical, is to be formed by stacking by some silicon steel plates, and on silicon steel plate, offer the uniform guide groove of a circle, and this guide groove is for fixedly mounting magnet 533, and the inner space of its extension is used for wearing other Transmission.
Refer to Fig. 3, described ECU (Electrical Control Unit) 60 comprises electric machine controller 61, high-tension battery group 63 and DC-DC circuit 65.Described electric machine controller 61 is electrically connected with described hollow bearing-free motor 50 and high-tension battery group 63, and this electric machine controller 61 not only can control the running of described hollow bearing-free motor 50, and has control energy recovery function.So-called energy regenerating refers to that the electric energy by described hollow bearing-free motor 50 produces is changed through electric machine controller 61, by power storage in described high-tension battery group 63, described high-tension battery group 63 comprises some batteries and battery management system (not shown).Described battery is chargeable battery, goes here and there as required and connects, and described battery management system is mainly used in the electricity of monitoring battery, prevents battery from occurring overcharge and overdischarge, and then extends the service life of battery.Described DC-DC circuit 65 is a DC-DC circuit, and this DC-DC circuit 65 is electrically connected on described high-tension battery group 63, by this DC-DC circuit, the high-tension current of battery pack 63 is converted to the conventional 24V voltage of vehicle.In the present embodiment, described electric machine controller 61 also has detecting test of vehicle comparing function, not only can detect the running condition of vehicle, as vehicle acceleration, deceleration, brake etc., the electricity of battery is also read by battery management system, by the vehicle operating information be checked through and the information about power comparing calculation read, control the running condition of hollow bearing-free motor according to set information.
When assembling a kind of hybrid power system, output shaft 31 and the universal drive shaft 70 of the change speed gear box 30 of vehicle are taken apart, the stator 51 of hollow bearing-free motor 50 of the present invention is coordinated by seam and locates with the end cap of described change speed gear box 30 and lock.The described flange being arranged on output shaft 31 end through described first through hole 5112, with disk 5311 side of rotor 30 against, coordinate location by seam; Described universal drive shaft 70 supports the opposite side of described disk 5311, coordinates location by seam.The concave part that the seam of these disk 311 both sides coordinates shares described second through hole 5312, ensure that the right alignment of three, universal drive shaft 70, disk 311 and flange 211 is locked successively by bolt.Described ECU (Electrical Control Unit) 60 is installed on the idle position of vehicle, as boot, baggage container etc., is electrically connected with described hollow bearing-free motor 50 by wire.
When a kind of vehicle of hybrid power system normally runs: vehicle drives change speed gear box 30 by driving engine 10 through power-transfer clutch 20, the rotor 53 of hollow bearing-free motor 50 and universal drive shaft 70 is driven together to rotate by change speed gear box 30 output shaft 31 again, transfer a torque to diff 80 by universal drive shaft 70, then drive wheel 90 to operate by diff 80.The electric machine controller 61 of ECU (Electrical Control Unit) 60 detects the running state of vehicle, and when vehicle is in acceleration or at the uniform velocity travels, electric machine controller 61 controls hollow bearing-free motor and do not generate electricity; When vehicle is when slowing down or brake, electric machine controller 61 controls hollow bearing-free motor 50 and generates electricity, and by electric energy through electric machine controller 61 internal circuit process conversion, is stored in high-tension battery group 63, charges to high-tension battery group 63.When the battery management system of ECU (Electrical Control Unit) 60 detects that the electricity of battery 63 is greater than 80%, electric machine controller 61 detects that vehicle is when starting to walk or accelerate, electric machine controller 61 controls hollow bearing-free motor 50 and operates, assisting vehicle starts or vehicle acceleration, reduce the load of driving engine 10, play energy-conservation object; When detecting that the electricity of high-tension battery group is less than 80%, electric machine controller 61 controls hollow bearing-free motor 50 and does not all start when vehicle launch or acceleration, to ensure that the electricity warp in high-tension battery group 63 can for the high-pressure section of vehicle, as electric air-conditioning etc., in addition, also can change through DC-DC circuit, the low voltage circuit of supply car load uses, as radiator fan, low-voltage lighting etc.
Through statistics and test, a public transit vehicle about travels 250 kilometers average every day, the number of times of average start and stop every day is about 750 times, by installing the generating of hollow bearing-free motor, after tested, average each slow down or stop, approximately reclaiming about 0.15 kilowatt hour electric energy, average every day about recyclable 100 kilowatt hours electric energy.The electric energy of this about 100 kilowatt hour starts by hollow bearing-free motor assisting vehicle and accelerates, the electric air-conditioning of all right directly supply of vehicles runs, and supply the uses such as cooling fan, oil gas pump, low-voltage lighting, the electric energy that comprehensive application reclaims, utilizes electric transmission, replaces the belt-driving of driving engine, and utilize recovery electric energy, replace the electrical generator of vehicle, alleviate meeting of driving engine, and further for driving engine reduces energy consumption.
To sum up, hollow bearing-free motor of the present invention is serially connected with between change speed gear box and universal drive shaft, is fixed by stator and gear box casing, and both the flange of output shaft of gear-box end and universal-joint flange clamp, and are locked successively by bolt.By the ingehious design to hollow bearing-free motor, utilize the principle that the output shaft of change speed gear box is coaxial with the end cap of change speed gear box, instead of the bearing portions of motor cleverly and motor is fixed, combined by this hollow bearing-free motor and ECU (Electrical Control Unit), replace electrical generator and the low pressure storage battery of conventional truck, utilize the electric energy stored by high-tension battery group of ECU (Electrical Control Unit) to drive hollow bearing-free motor, startup and the acceleration of vehicle is carried out with auxiliary engine, utilize DC-DC circuit, voltage in battery is changed, for car load is powered, as electric air-conditioning, cooling fan, low-voltage lighting etc.Vehicle is when reequiping this hybrid power system, only the flange of output shaft of gear-box end and universal-joint flange need be taken apart, the stator of hollow bearing-free motor of the present invention is mounted on the end cap of change speed gear box, the rotating disk of rotor is serially connected with between flange and universal-joint flange, like this driving system of car load is not made and change, ECU (Electrical Control Unit) is installed on the idle position of vehicle, as boot, baggage container etc., and be electrically connected with described hollow bearing-free motor, the repacking difficult problem of hybrid vehicle can be solved by actv., owing to taking full advantage of original driving system, so greatly reduce repacking cost, and pass through the assistant starting of hollow bearing-free motor, reduce the highly energy-consuming problem of vehicle start stage and vehicle acceleration stage driving engine.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to technical spirit of the present invention, within the spirit and principles in the present invention, to any simple amendment that above embodiment is done, equivalent replacement and improvement etc., within the protection domain all still belonging to technical solution of the present invention.
Claims (8)
1. a hybrid power system, comprise hollow bearing-free motor, it is installed on change speed gear box, described hollow bearing-free motor comprises stator and is installed on the rotor in stator, be characterised in that: described rotor comprises rotating disk, described change speed gear box comprises end cap and output shaft, described output shaft is through end cap, described stator and described gearbox cover are fixed, described rotating disk and described output shaft of gear-box affixed, described rotor also comprises magnet, described rotating disk comprises the extension that disk and disk periphery protrude out, described disk is for connecting external device, described extension comprises external cylindrical surface, described external cylindrical surface is used for fixed magnet, described disk is coordinated by a seam and is connected with described output shaft of gear-box, described seam coordinates and comprises seam lug boss and the seam concave part with seam raised portion fits, described seam concave part is opened on described disk, described seam lug boss is opened on described output shaft.
2. a kind of hybrid power system according to claim 1, is characterized in that, described output shaft of gear-box end is provided with flange, and described flange and rotor engagement are installed.
3. a kind of hybrid power system according to claim 1, it is characterized in that, described stator comprises housing, described housing comprises main part and lid, described main part comprises cylindrical portion and connects the base plate of cylindrical portion one end, and described cylindrical portion and base plate form a host cavity, for installing described rotor, described lid sheet ringwise, is installed on described rotating disk.
4. a kind of hybrid power system according to claim 3, is characterized in that, the middle position of described base plate offers the first through hole, and described output shaft of gear-box is through this first through hole.
5. a kind of hybrid power system according to claim 1, it is characterized in that, described a kind of hybrid power system also comprises ECU (Electrical Control Unit), described ECU (Electrical Control Unit) comprises electric machine controller and high-tension battery group, described electric machine controller, by detecting the electricity of Vehicular behavior and contrast high-tension battery group, controls hollow bearing-free motor.
6. a kind of hybrid power system according to claim 5, is characterized in that, described hollow bearing-free motor, by described motor controller controls, has electricity generate function, by produced power storage in high-tension battery group.
7. a kind of hybrid power system according to claim 5, is characterized in that, described high-tension battery group comprises some batteries and battery management system, and described battery is chargeable battery, and described battery management system is for detecting the electricity of battery.
8. a kind of hybrid power system according to claim 5, it is characterized in that, described ECU (Electrical Control Unit) comprises DC-DC circuit further, and described DC-DC circuit is a DC-DC circuit, for being vehicle required voltage by the voltage transitions of high-tension battery Battery pack, for the circuit of car load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310306202.4A CN104276024A (en) | 2013-07-12 | 2013-07-12 | Hybrid power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310306202.4A CN104276024A (en) | 2013-07-12 | 2013-07-12 | Hybrid power system |
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| Publication Number | Publication Date |
|---|---|
| CN104276024A true CN104276024A (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310306202.4A Pending CN104276024A (en) | 2013-07-12 | 2013-07-12 | Hybrid power system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880093A (en) * | 2018-08-14 | 2018-11-23 | 西南大学 | Sleeve rotor driving motor |
| CN108880092A (en) * | 2018-08-14 | 2018-11-23 | 西南大学 | Vehicle rotor integrated carrying-type driving motor |
| CN109509389A (en) * | 2019-01-25 | 2019-03-22 | 行云新能科技（深圳）有限公司 | Automobile power assembly dismounts detection platform and automobile power assembly dismounts detection method |
-
2013
- 2013-07-12 CN CN201310306202.4A patent/CN104276024A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880093A (en) * | 2018-08-14 | 2018-11-23 | 西南大学 | Sleeve rotor driving motor |
| CN108880092A (en) * | 2018-08-14 | 2018-11-23 | 西南大学 | Vehicle rotor integrated carrying-type driving motor |
| CN108880093B (en) * | 2018-08-14 | 2020-03-10 | 西南大学 | Hollow rotor driving motor |
| CN109509389A (en) * | 2019-01-25 | 2019-03-22 | 行云新能科技（深圳）有限公司 | Automobile power assembly dismounts detection platform and automobile power assembly dismounts detection method |
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