CN102392883A - Two-gear electric control mechanical type automatic gearbox used for electric automobile - Google Patents
Two-gear electric control mechanical type automatic gearbox used for electric automobile Download PDFInfo
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- CN102392883A CN102392883A CN2011103426835A CN201110342683A CN102392883A CN 102392883 A CN102392883 A CN 102392883A CN 2011103426835 A CN2011103426835 A CN 2011103426835A CN 201110342683 A CN201110342683 A CN 201110342683A CN 102392883 A CN102392883 A CN 102392883A
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Abstract
The invention relates to a two-gear electric control mechanical type automatic gearbox used for an electric automobile. The gearbox is characterized in that an input shaft and an output shaft are coaxially configured and rotatablely arranged in a box body; first and second transmission shafts are coaxially configured and rotatablely arranged in the box body, and arranged parallel with the input shaft and the output shaft; a first small gear and a first big gear are installed on the input shaft and the output shaft respectively; the input shaft is connected with the output shaft through a first clutch; a second big gear and a second small gear are installed on the first and second transmission shafts respectively; and the first transmission shaft is connected with the second transmission shaft through a second clutch. Preferably, the gearbox further comprises a motor and control module, wherein an output shaft and an input shaft of the motor are connected and the circuit of the control module is connected with the first and second clutches. The two-gear electric control mechanical type automatic gearbox used for the electric automobile provided by the invention has the advantages that the design is ingenious, the performance requirements of high torque in modes of startup and climbing and high rotary speed in a mode of normal running of the electric automobile are met, the structure is simple, weight reduction and load reduction of the pure electric automobile are achieved, the cost is cut, and the gearbox is suitable for large-scale popularization and application.
Description
Technical field
The present invention relates to the electric vehicle engineering field, particularly the gearbox technical field of electric vehicle specifically is meant a kind of second gear electrical control automatic manual transmission case that is used on the electric vehicle.
Background technique
Present domestic electric vehicle much is to retrofit from original orthodox car; In order to save development cost, gearbox many times is to adopt traditional manual five grades of gearboxes, and is fixed on a gear to it; Retarder as fixed speed ratio uses, and can't realize self shifter.And electric vehicle generally needs the speed changer of one two grades of couplings in order to reduce the requirement to the drive motor service behaviour, could satisfy simultaneously that electric vehicle starts, high-revolving performance requirement when high torque (HT) and cruising during climbing.
Therefore, press for a kind of second gear electrical control automatic manual transmission case that is used on the electric vehicle, start to satisfy electric vehicle simultaneously, high-revolving performance requirement when high torque (HT) and cruising during climbing.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art; A kind of second gear electrical control automatic manual transmission case that is used on the electric vehicle is provided, and this second gear electrical control automatic manual transmission case design that is used on the electric vehicle is ingenious, can satisfy simultaneously that electric vehicle starts, high-revolving performance requirement when high torque (HT) and cruising during climbing; And it is simple for structure; Pure electric automobile can be lightened the burden by loss of weight, and cutting down cost is suitable for large-scale promotion application.
To achieve these goals; The second gear electrical control automatic manual transmission case that is used on the electric vehicle of the present invention; Comprise casing, input shaft and output shaft; Said input shaft and said output shaft arranged coaxial and rotatable being arranged in the said casing; Be characterized in; The said second gear electrical control automatic manual transmission case that is used on the electric vehicle also comprises first transmission shaft, second transmission shaft, first clutch, second clutch, first small gear, second small gear, first gear and second largest gear, said first transmission shaft and the said second transmission shaft arranged coaxial and rotatable being arranged in the said casing, and laterally arrange with said input shaft and said output shaft; Said first small gear and said first gear are installed in respectively on said input shaft and the said output shaft; Said input shaft connects said output shaft through said first clutch, and said second largest gear and said second small gear are installed in respectively on said first transmission shaft and said second transmission shaft, and said first transmission shaft connects said second transmission shaft through said second clutch.
Preferably, said first small gear is identical with said second small gear, and said first gear is identical with said second largest gear.
Preferably, the said second gear electrical control automatic manual transmission case that is used on the electric vehicle also comprises motor, and the output shaft of said motor is connected with said input shaft.
Preferably, the said second gear electrical control automatic manual transmission case that is used on the electric vehicle also comprises control module, and said control module circuit connects said first clutch and said second clutch.
More preferably, the entire car controller of said control module and electric vehicle integrates.
Preferably, said first clutch and said second clutch are radially lever Wet-type multi-disc friction clutch or wet type multi-disc electromagnetic clutch.
Beneficial effect of the present invention is: the second gear electrical control automatic manual transmission case that is used on the electric vehicle of the present invention; Comprise casing, input shaft, output shaft, first transmission shaft, second transmission shaft, first clutch, second clutch, first small gear, second small gear, first gear and second largest gear; Said input shaft and said output shaft arranged coaxial and rotatable being arranged in the said casing; Said first transmission shaft and the said second transmission shaft arranged coaxial and rotatable being arranged in the said casing, and laterally arrange with said input shaft and said output shaft, said first small gear and said first gear are installed in respectively on said input shaft and the said output shaft; Said input shaft connects said output shaft through said first clutch; Said second largest gear and said second small gear are installed in respectively on said first transmission shaft and said second transmission shaft, and said first transmission shaft connects said second transmission shaft through said second clutch, thereby through the control to two clutches; Can satisfy simultaneously that electric vehicle starts, high-revolving performance requirement when high torque (HT) and cruising during climbing; Design ingeniously, and simple for structure, make the pure electric automobile can the loss of weight Reduction of Students' Study Load; Cutting down cost is suitable for large-scale promotion application.
Description of drawings
Fig. 1 is the structural representation of a specific embodiment of the present invention.
Fig. 2 is the partial structurtes schematic representation of specific embodiment shown in Figure 1.
Fig. 3 is that specific embodiment shown in Figure 1 is starting the power transmission schematic representation that quickens shelves (bottom gear).
Fig. 4 is a specific embodiment shown in Figure 1 power transmission schematic representation at direct high (top gear).
Fig. 5 is a specific embodiment shown in Figure 1 power transmission schematic representation at the Parking shelves.
Fig. 6 is a specific embodiment shown in Figure 1 power transmission schematic representation in neutral.
Embodiment
In order more to be expressly understood technology contents of the present invention, the special following examples of lifting specify.Wherein identical parts adopt identical reference character.Unless stated otherwise, wherein percentage composition is weight percentage.
See also shown in Figure 1; The second gear electrical control automatic manual transmission case that is used on the electric vehicle of the present invention; Comprise casing 1, input shaft 2, output shaft 3, first transmission shaft 4, second transmission shaft 5, first clutch 6, second clutch 7, first small gear 8, second small gear 9, first gear 10 and second largest gear 11; Said input shaft 2 and said output shaft 3 arranged coaxial and rotatable being arranged in the said casing 1; Said first transmission shaft 4 and said second transmission shaft, 5 arranged coaxial and rotatable being arranged in the said casing 1; And laterally arrange with said output shaft 3 with said input shaft 2; Said first small gear 8 is installed in respectively on said input shaft 2 and the said output shaft 3 with said first gear 10; Said input shaft 2 connects said output shaft 3 through said first clutch 6, and said second largest gear 11 is installed in respectively on said first transmission shaft 4 and said second transmission shaft 5 with said second small gear 9, and said first transmission shaft 4 connects said second transmission shaft 5 through said second clutch 7.
Said first small gear 8 can be identical with said second small gear 9; Also can be different, said first gear 10 can be identical with said second largest gear 11, also can be different; See also shown in Figure 1; In specific embodiment of the present invention, said first small gear 8 is identical with said second small gear 9, and said first gear 10 is identical with said second largest gear 11.In this case; In order to practice thrift cost; Can carry out modular design; Make module as shown in Figure 2, be equivalent on the conventional fixed speed ratio speed reducer, increase a clutch as individual module, two such modules cooperate can form the second gear electrical control automatic manual transmission case that is used on the electric vehicle of the present invention.
The control module (not shown) can be not included among the present invention; Also can comprise in the present invention; Preferably, the said second gear electrical control automatic manual transmission case that is used on the electric vehicle also comprises control module, and said control module circuit connects said first clutch 6 and said second clutch 7.In specific embodiment of the present invention, the entire car controller of said control module and electric vehicle integrates.
Consider volume and power requirements, preferably, said first clutch 6 and said second clutch 7 are radially lever Wet-type multi-disc friction clutch or wet type multi-disc electromagnetic clutch.See also shown in Figure 1ly, in specific embodiment of the present invention, said first clutch 6 and said second clutch 7 are lever Wet-type multi-disc friction clutch radially.
Because electric vehicle is typically equipped with entire car controller (HCU); The drive motor of electric vehicle (being above-mentioned motor 12) has the stronger speed governing ability and the high efficiency range of broad; General gearbox that needs two grades is with regard to the ability practical requirement; So select two gears to realize gearshift with reference to the traditional mechanical gearbox, one is direct high (top gear), another is to be used for the bottom gear of starting to walk to quicken specially.
The present invention is on the basis of ordinary fixed shaft type gear-shift transmission; Cancelled the synchronizer of common manual speed changer; But adopt two clutches (being above-mentioned first clutch 6 and second clutch 7), accomplish gearshift, clutch control and motor speed torque adjustment by entire car controller, according to automobile operating state, road surface situation and driver's intention; According to the schedule of formulating in advance; Realize the automaitc shfit speed change, the feasible function that realizes electric control mechanical type automatic speed variator, thus improve the electric vehicle performance.
Because cancelled the synchronizer of common manual speed changer, and adopted two clutches, the time of power interruption is shorter, more be prone to relax impact.Motor has rotational speed regulation ability and littler rotary inertia better than motor, in order to reduce the wearing and tearing of clutch, needs when speed changer is in neutral position, to regulate motor 12 rotating speeds, carries out next step engage a gear after itself and actual vehicle speed are complementary again.
Detailed process is following: during the gearshift beginning, and the clutch separation of present gear, another clutch just was in separated state originally, made speed changer fall back on neutral position; Entire car controller is regulated the rotating speed of drive motor according to current vehicle speed and schedule then; Make the transmission gear rotating speed coupling of the rotating speed and the new gear of drive motor; Just let the clutch principal and subordinate driving component rotating speed of positive engage a gear consistent, wearing and tearing and temperature rise when engaging to reduce; The clutch that needs engage a gear at last, another clutch keeps separated state, makes speed changer hang up new gear.
For example when electric vehicle is just beginning to go under the startup or the low speed of a motor vehicle; Speed changer should be in low gear (the vehicle needs velocity ratio is bigger); As shown in Figure 3; The clutch of Fig. 3 left bottom (being second clutch 7) is in jointing state, and top-right clutch (being first clutch 6) is a separated state, and power transmission is shown in dotted arrow.
For example bring up to critical value when the speed of a motor vehicle, during gearshift beginning just, entire car controller sends instruction and lets the clutch separation of left bottom, makes speed changer fall back on neutral position; When arriving neutral position; After entire car controller receives relevant sensor signals; According to the rotating speed of current vehicle speed and schedule adjusting drive motor, make the transmission gear rotating speed coupling of the rotating speed and the new gear of drive motor, just let the clutch principal and subordinate driving component rotating speed of positive engage a gear consistent; And then after the tach signal coupling of entire car controller according to drive motor and transmission shaft, the command driven motor withdraws from speed-regulating mode, and removal load; Last top-right clutch because the both sides speed discrepancy is less, makes speed changer hang up new gear fast; Confirm that speed changer moves at top gear behind motor speed that the entire car controller basis receives and the GES; Whole low grade finishes to high-grade gearshift procedure, and as shown in Figure 4, the clutch of Fig. 4 left bottom is in separated state; And top-right clutch is a bonding state, and power transmission is shown in dotted arrow.Similarly, speed changer switches to the reversed that bottom gear is this process from top gear.
When the needs parking braking, as long as two clutches in the gearbox combine simultaneously, four inner gears of speed changer just are in lockup state, hinder the rotation of drive motor and transmission shaft in addition.As shown in Figure 5, the clutch of Fig. 5 left bottom is in bonding state, and top-right clutch also is a bonding state, and power transmission is shown in dotted arrow.
If the transmission shaft of electric vehicle need break away from drive motor, only need let two clutches of speed changer all be in separated state, just be in neutral state, realize that motor 12 idle running or neutral gear slide.As shown in Figure 6, the clutch of Fig. 6 left bottom is in separated state, and top-right clutch also is a separated state, and power transmission is shown in dotted arrow.
Present AMT on the market generally adopts electric hydaulic mechanism; And the present invention is through transforming the conventional fixed ratio gearbox; Increased by two clutches, and adopted the control function of entire car controller to realize the AMT function, through the separation and the joint of two clutches; Utilize the rotational speed and torque regulating power of drive motor to realize the self shifter of quick and stable simultaneously; The advantage of existing hydraulic machine transmission gear shift device has kept the basic structure of original mechanical transmission again, have transmission efficiency height, compact structure, cost low, be easy to advantages such as manufacturing, reliable operation and handiness.
To sum up; The second gear electrical control automatic manual transmission case design that is used on the electric vehicle of the present invention is ingenious; Can satisfy simultaneously that electric vehicle starts, high-revolving performance requirement when high torque (HT) and cruising during climbing, and simple for structure, make the pure electric automobile can the loss of weight Reduction of Students' Study Load; Cutting down cost is suitable for large-scale promotion application.
In this specification, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (6)
1. second gear electrical control automatic manual transmission case that is used on the electric vehicle; Comprise casing, input shaft and output shaft; Said input shaft and said output shaft arranged coaxial and rotatable being arranged in the said casing; It is characterized in that; The said second gear electrical control automatic manual transmission case that is used on the electric vehicle also comprises first transmission shaft, second transmission shaft, first clutch, second clutch, first small gear, second small gear, first gear and second largest gear; Said first transmission shaft and the said second transmission shaft arranged coaxial and rotatable being arranged in the said casing; And laterally arrange with said input shaft and said output shaft, said first small gear and said first gear are installed in respectively on said input shaft and the said output shaft, and said input shaft connects said output shaft through said first clutch; Said second largest gear and said second small gear are installed in respectively on said first transmission shaft and said second transmission shaft, and said first transmission shaft connects said second transmission shaft through said second clutch.
2. the second gear electrical control automatic manual transmission case that is used on the electric vehicle according to claim 1 is characterized in that said first small gear is identical with said second small gear, and said first gear is identical with said second largest gear.
3. the second gear electrical control automatic manual transmission case that is used on the electric vehicle according to claim 1; It is characterized in that; The said second gear electrical control automatic manual transmission case that is used on the electric vehicle also comprises motor, and the output shaft of said motor is connected with said input shaft.
4. the second gear electrical control automatic manual transmission case that is used on the electric vehicle according to claim 1; It is characterized in that; The said second gear electrical control automatic manual transmission case that is used on the electric vehicle also comprises control module, and said control module circuit connects said first clutch and said second clutch.
5. the second gear electrical control automatic manual transmission case that is used on the electric vehicle according to claim 4 is characterized in that the entire car controller of said control module and electric vehicle integrates.
6. the second gear electrical control automatic manual transmission case that is used on the electric vehicle according to claim 1 is characterized in that, said first clutch and said second clutch are radially lever Wet-type multi-disc friction clutch or wet type multi-disc electromagnetic clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011103426835A CN102392883A (en) | 2011-11-03 | 2011-11-03 | Two-gear electric control mechanical type automatic gearbox used for electric automobile |
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| CN2011103426835A CN102392883A (en) | 2011-11-03 | 2011-11-03 | Two-gear electric control mechanical type automatic gearbox used for electric automobile |
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| CN102392883A true CN102392883A (en) | 2012-03-28 |
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| CN2011103426835A Pending CN102392883A (en) | 2011-11-03 | 2011-11-03 | Two-gear electric control mechanical type automatic gearbox used for electric automobile |
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| CN102619936A (en) * | 2012-04-10 | 2012-08-01 | 成都凯迈科技有限公司 | Three-clutch three-gear speed change transmission device and three-clutch method thereof |
| CN102619932A (en) * | 2012-04-10 | 2012-08-01 | 成都凯迈科技有限公司 | Double-clutching two-gear speed transforming transmission and double-clutching method of speed transforming transmission |
| CN102927212A (en) * | 2012-09-26 | 2013-02-13 | 杭州萧山江南通用机械厂 | Gear case for decelerating or accelerating |
| CN103066748A (en) * | 2013-01-25 | 2013-04-24 | 合肥工业大学 | Integrated two-gear motor transmission for pure electric vehicle |
| CN103195879A (en) * | 2013-04-02 | 2013-07-10 | 天津市松正电动汽车技术股份有限公司 | Two speed transmission for hybrid power system |
| CN103307219A (en) * | 2013-05-28 | 2013-09-18 | 同济大学 | Two-gear mechanical automatic gearbox for electric vehicle |
| CN103758943A (en) * | 2013-12-25 | 2014-04-30 | 天津市松正电动汽车技术股份有限公司 | Direct-coupling hybrid power system and transmission gearbox thereof |
| CN104500664A (en) * | 2014-12-11 | 2015-04-08 | 哈尔滨一汽变速箱股份有限公司 | Parallelly connected double-clutch device for commercial vehicle |
| CN104565228A (en) * | 2014-12-26 | 2015-04-29 | 北京航空航天大学 | Two-gear automatic gearbox for pure electric vehicle |
| CN104565264A (en) * | 2014-12-26 | 2015-04-29 | 北京航空航天大学 | Two-gear automatic transmission for pure electric vehicles |
| CN104565226A (en) * | 2014-12-26 | 2015-04-29 | 北京航空航天大学 | Two-gear automatic gearbox for pure electric vehicle |
| CN104595428A (en) * | 2014-12-26 | 2015-05-06 | 北京航空航天大学 | Automatic two-gear transformer for pure electric automobile |
| CN104595450A (en) * | 2014-12-26 | 2015-05-06 | 北京航空航天大学 | Automatic two-gear transformer for pure electric automobile |
| CN104633015A (en) * | 2014-12-26 | 2015-05-20 | 北京航空航天大学 | Two-gear automatic transmission for battery electric vehicle |
| CN104633016A (en) * | 2014-12-26 | 2015-05-20 | 北京航空航天大学 | Two-gear automatic transmission for battery electric vehicle |
| CN104913011A (en) * | 2015-06-16 | 2015-09-16 | 南京高精齿轮集团有限公司 | High-speed debugging gear box special for locomotive engine test bed |
| CN105015615A (en) * | 2014-04-25 | 2015-11-04 | 陕西重型汽车有限公司 | Speed regulation device of steering oil pump of commercial vehicle |
| CN105972163A (en) * | 2016-07-07 | 2016-09-28 | 洛阳天迈传动科技有限公司 | Dual-clutch and twin-shift-gear automatic transmission |
| CN106015498A (en) * | 2016-07-06 | 2016-10-12 | 洛阳天迈传动科技有限公司 | Three-clutch three-gear automatic gearbox |
| CN106240570A (en) * | 2016-08-26 | 2016-12-21 | 北京长城华冠汽车科技股份有限公司 | Two grades of speed change systems, method and the electric automobile of a kind of electric automobile |
| CN106608184A (en) * | 2015-10-22 | 2017-05-03 | 北汽福田汽车股份有限公司 | Electric vehicle and automatic speed change control system thereof |
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| CN102619932A (en) * | 2012-04-10 | 2012-08-01 | 成都凯迈科技有限公司 | Double-clutching two-gear speed transforming transmission and double-clutching method of speed transforming transmission |
| CN102619936A (en) * | 2012-04-10 | 2012-08-01 | 成都凯迈科技有限公司 | Three-clutch three-gear speed change transmission device and three-clutch method thereof |
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| CN103066748A (en) * | 2013-01-25 | 2013-04-24 | 合肥工业大学 | Integrated two-gear motor transmission for pure electric vehicle |
| CN103195879A (en) * | 2013-04-02 | 2013-07-10 | 天津市松正电动汽车技术股份有限公司 | Two speed transmission for hybrid power system |
| CN103307219A (en) * | 2013-05-28 | 2013-09-18 | 同济大学 | Two-gear mechanical automatic gearbox for electric vehicle |
| CN103307219B (en) * | 2013-05-28 | 2015-11-25 | 同济大学 | A kind of electric vehicle two grades of automatic mechanical transmissions |
| CN103758943A (en) * | 2013-12-25 | 2014-04-30 | 天津市松正电动汽车技术股份有限公司 | Direct-coupling hybrid power system and transmission gearbox thereof |
| CN105015615A (en) * | 2014-04-25 | 2015-11-04 | 陕西重型汽车有限公司 | Speed regulation device of steering oil pump of commercial vehicle |
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| CN104633016A (en) * | 2014-12-26 | 2015-05-20 | 北京航空航天大学 | Two-gear automatic transmission for battery electric vehicle |
| CN104595428A (en) * | 2014-12-26 | 2015-05-06 | 北京航空航天大学 | Automatic two-gear transformer for pure electric automobile |
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| CN104595450A (en) * | 2014-12-26 | 2015-05-06 | 北京航空航天大学 | Automatic two-gear transformer for pure electric automobile |
| CN104913011A (en) * | 2015-06-16 | 2015-09-16 | 南京高精齿轮集团有限公司 | High-speed debugging gear box special for locomotive engine test bed |
| CN104913011B (en) * | 2015-06-16 | 2018-01-19 | 南京高精齿轮集团有限公司 | Locomotive engine testing stand specialized high-speed debugs gear-box |
| CN106608184A (en) * | 2015-10-22 | 2017-05-03 | 北汽福田汽车股份有限公司 | Electric vehicle and automatic speed change control system thereof |
| CN106931084A (en) * | 2015-12-31 | 2017-07-07 | 重庆硬核派传动科技有限公司 | A kind of pair of speed transmission of clutch two |
| CN106015498A (en) * | 2016-07-06 | 2016-10-12 | 洛阳天迈传动科技有限公司 | Three-clutch three-gear automatic gearbox |
| CN105972163A (en) * | 2016-07-07 | 2016-09-28 | 洛阳天迈传动科技有限公司 | Dual-clutch and twin-shift-gear automatic transmission |
| CN106240570A (en) * | 2016-08-26 | 2016-12-21 | 北京长城华冠汽车科技股份有限公司 | Two grades of speed change systems, method and the electric automobile of a kind of electric automobile |
| WO2018090483A1 (en) * | 2016-11-18 | 2018-05-24 | 精进电动科技股份有限公司 | Horizontal drive assembly of single power source vehicle |
| CN106763725A (en) * | 2017-03-23 | 2017-05-31 | 深圳东风汽车有限公司 | Electric automobile and its two grades of automatic shifting controllers |
| CN107255159A (en) * | 2017-05-18 | 2017-10-17 | 上海蔚来汽车有限公司 | The shift control method and shifting control system of two-gear automatic speed changing case |
| CN109552024A (en) * | 2017-09-25 | 2019-04-02 | 郑州宇通客车股份有限公司 | A kind of vehicle driveline and its gear |
| CN109552024B (en) * | 2017-09-25 | 2023-12-15 | 宇通客车股份有限公司 | Vehicle power transmission system and speed change mechanism thereof |
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| CN108679172A (en) * | 2018-07-18 | 2018-10-19 | 樊朝晖 | A kind of coaxial straight line gear |
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Application publication date: 20120328 |