CN204077346U - Hybrid power transmission mechanism and there is the automobile of this mechanism - Google Patents
Hybrid power transmission mechanism and there is the automobile of this mechanism Download PDFInfo
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- CN204077346U CN204077346U CN201420495300.7U CN201420495300U CN204077346U CN 204077346 U CN204077346 U CN 204077346U CN 201420495300 U CN201420495300 U CN 201420495300U CN 204077346 U CN204077346 U CN 204077346U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 65
- 239000002826 coolant Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a kind of hybrid power transmission mechanism and there is the automobile of this mechanism, this hybrid power transmission mechanism comprises: driving engine, the first motor and change-speed box, the output shaft of driving engine connects the input end of the first motor through power-transfer clutch, the motor output shaft of the first motor connects the input end of change-speed box; This hybrid power transmission mechanism also comprises the hydraulic efficiency pressure system be connected with power-transfer clutch with change-speed box, and hydraulic efficiency pressure system is provided with the oil pump providing power, and oil pump is driven by the second motor; Second motor is positioned at the case of transmission of change-speed box.When the utility model overcomes hybrid electric vehicle low speed pure motor driving, the problem of hydraulic system pressure and underfed, and be embedded in case of transmission due to the second motor, compact conformation, save space, reduce the oad of hybrid power transmission mechanism, convenient layout.
Description
Technical field
The utility model relates to field of automotive power, especially, relates to a kind of hybrid power transmission mechanism.In addition, the utility model also relates to a kind of automobile comprising above-mentioned hybrid power transmission mechanism.
Background technology
Hybrid vehicle (HEV, Hybrid Electric Vehicle) is the clean energy vehicle of new generation with low stain, low oil consumption feature.Based on CVT (Continuously Variable Transmission, toric transmission) hybrid vehicle in, when automobile is in pure electric low traveling, the rotating speed of motor is lower, the original oil pump of CVT is driven by motor, therefore rotating speed is lower equally, and the hydraulic fluid flow rate provided and pressure can not meet the demands.Existing solution has two kinds: scheme 1, an increase auxiliary oil pump driven by individual motor, and the short-term operation when low vehicle speeds, is worked by main oil pump during normal vehicle operation; Scheme 2, main oil pump are by independently Oil pump electrical machinery driving.
The shortcoming of scheme 1 is: add an oil pump, and hydraulic efficiency pressure system is tied and control from being complicated, and oil pump and Oil pump electrical machinery need arrangement space, add cost simultaneously; In scheme 2, Oil pump electrical machinery needs with round-the-clock work pattern, and the mode of water-cooled or oil cooling therefore must be adopted to cool, in case motor temperature is too high, cooling oil duct must be designed in the housing of motor, the complex structure of housing, motor bulky, is unfavorable for arranging; And the rotor of motor cannot be cooled, need to increase cooling system simultaneously.
Utility model content
The utility model object is the automobile providing a kind of hybrid power transmission mechanism and have this mechanism, to solve the inadequate technical matters of existing hybrid vehicle motor-driven hydraulic pressure oil mass when slow speed of revolution.
For achieving the above object, the technical solution adopted in the utility model is as follows:
According to an aspect of the present utility model, a kind of hybrid power transmission mechanism is provided, this hybrid power transmission mechanism comprises: driving engine, the first motor and change-speed box, the output shaft of driving engine connects the input end of the first motor through power-transfer clutch, the motor output shaft of the first motor connects the input end of change-speed box;
This hybrid power transmission mechanism also comprises the hydraulic efficiency pressure system be connected with power-transfer clutch with change-speed box, and hydraulic efficiency pressure system is provided with the oil pump providing power, and oil pump is driven by the second motor;
Second motor is positioned at the case of transmission of change-speed box.
Further, the second motor comprises: stator, rotor, electric machine casing and the rotor bearing for support rotor,
Electric machine casing is fixedly connected with case of transmission, and stator is connected with electric machine casing, and rotor bearing is connected at the oil distribution casing in case of transmission through clutch shaft bearing; Rotor bearing connects electric machine casing through the second bearing.
Further, the motor output shaft of the first motor connects the driving belt pulley shaft of change-speed box through spline housing.
Further, rotor bearing, clutch shaft bearing, oil distribution casing and spline housing are formed in order to the first oil pocket of cooled rotor, and oil distribution casing is provided with for by the first oil duct in oil coolant conducting to the first oil pocket of hydraulic efficiency pressure system.
Further, spline housing is provided with the second oil duct, and motor output shaft is provided with the 3rd oil duct, and the oil coolant in the first oil pocket is through flowing out through the second oil duct, the 3rd oil duct, to cool the first motor successively.
Further, form the second oil pocket cooling stator between case of transmission and electric machine casing, case of transmission is provided with for by the 4th oil duct in oil coolant conducting to the second oil pocket of hydraulic efficiency pressure system and be used for the cold oil return in the second oil pocket to the 5th oil duct of hydraulic efficiency pressure system.
Further, the second motor is connected with oil pump transmission through sprocket wheel chain.
Further, change-speed box is steel band type toric transmission.
According to another aspect of the present utility model, also provide a kind of automobile, adopt above-mentioned hybrid power transmission mechanism.
The utility model has following beneficial effect:
The utility model hybrid power transmission mechanism and there is the automobile of this mechanism, by arranging the second motor in case of transmission, adopt the oil pump of the second motor driven liquid pressing system, when overcoming hybrid electric vehicle low speed pure motor driving, the problem of hydraulic system pressure and underfed, and be embedded in case of transmission due to the second motor, compact conformation, save space, reduce the oad of hybrid power transmission mechanism, convenient layout.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model preferred embodiment hybrid power transmission mechanism; And
Fig. 2 is the structural representation of the utility model preferred embodiment second motor and its Surrounding Parts thereof.
Description of reference numerals:
1, driving engine; 2, power-transfer clutch; 3, the first motor; 31, motor output shaft; 4, the second motor;
5, change-speed box; 6, hydraulic efficiency pressure system; 7, oil pump; 8, sprocket wheel chain;
41, stator; 42, rotor; 43, electric machine casing; 44, clutch shaft bearing;
45, rotor bearing; 46, the second bearing;
51, case of transmission; 52, oil distribution casing; 53, spline housing; 54, driving belt pulley shaft;
91, the first oil pocket; 92, the first oil duct;
93, the second oil duct; 94, the 3rd oil duct;
95, the second oil pocket; 96, the 4th oil duct; 97, the 5th oil duct.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
With reference to Fig. 1, preferred embodiment of the present utility model provides a kind of hybrid power transmission mechanism, this hybrid power transmission mechanism comprises: driving engine 1, first motor 3 and change-speed box 5, the output shaft of driving engine 1 connects the input end of the first motor 3 through power-transfer clutch 2, the motor output shaft 31 of the first motor 3 connects the input end of change-speed box 5; This hybrid power transmission mechanism also comprises the hydraulic efficiency pressure system 6 be connected with power-transfer clutch 2 with change-speed box 5, and hydraulic efficiency pressure system 6 is provided with the oil pump 7 providing power, and oil pump 7 is driven by the second motor 4; In the present embodiment, second motor 4 is positioned at the case of transmission 51 of change-speed box 5, oil pump 7 is driven by the second motor 4, during to solve hybrid electric vehicle low speed pure motor driving, the problem of hydraulic system pressure and underfed, and be embedded in case of transmission due to the second motor 4, compact conformation, save space, reduce the oad of hybrid power transmission mechanism, convenient layout.By servocontrol, the rotating speed of oil pump 7 can according to the needs of the pressure of hydraulic efficiency pressure system and flow from master control, to reduce the loss of energy.
With reference to Fig. 2, in the present embodiment, second motor 4 comprises: stator 41, rotor 42, electric machine casing 43 and the rotor bearing 45 for support rotor 42, electric machine casing 43 is fixedly connected with case of transmission 51, stator 41 is connected with electric machine casing 43, and rotor bearing 45 is connected at the oil distribution casing 52 in case of transmission 51 through clutch shaft bearing 44; Rotor bearing 45 connects electric machine casing 43 through the second bearing 46.Be embedded in case of transmission 51 by second motor 4, the size of hybrid power transmission mechanism of having slowed down, is convenient to arrange in hybrid vehicle.
In the present embodiment, alternatively, the motor output shaft 31 of the first motor 3 connects the driving belt pulley shaft 54 of change-speed box 5 through spline housing 53, the mouth of change-speed box 5 is connected with the car load axle drive shaft of hybrid vehicle.Preferably, the present embodiment change-speed box 5 is steel band type toric transmission.
Preferably, in order to the stator 41 and the rotor 42 that utilize hydraulic efficiency pressure system 6 to cool the second motor 4, in the present embodiment, rotor bearing 45, clutch shaft bearing 44, oil distribution casing 52 and spline housing 53 form the first oil pocket 91 in order to cooled rotor 42, and oil distribution casing 52 is provided with for by the first oil duct 92 in oil coolant conducting to the first oil pocket 91 of hydraulic efficiency pressure system 6.Alternatively, spline housing 53 is provided with the second oil duct 93, and motor output shaft 31 is provided with oil coolant in the 3rd oil duct 94, first oil pocket 91 through flowing out through the second oil duct 93, the 3rd oil duct 94 successively, to cool the first motor 3 and power-transfer clutch 2.Alternatively, form the second oil pocket 95 cooling stator 41 between case of transmission 51 and electric machine casing 43, case of transmission 51 is provided with for by the 4th oil duct 96 in oil coolant conducting to the second oil pocket 95 of hydraulic efficiency pressure system 6 and be used for the cold oil return in the second oil pocket 95 to the 5th oil duct 97 of hydraulic efficiency pressure system 6.Like this, stator 41 and the rotor 42 of the second motor 4 can be cooled, and solving the second motor 4 can not the problem of long-term work because of heating.
Preferably, in the present embodiment, the second motor 4 is in transmission connection through sprocket wheel chain 8 and oil pump 7, and the second motor 4 drives oil pump 7 to work through sprocket wheel chain 8.
According to another aspect of the present utility model, also provide a kind of automobile, adopt the hybrid power transmission mechanism of above-described embodiment.
From stating above, the utility model hybrid power transmission mechanism and there is the automobile of this mechanism, by arranging the second motor in case of transmission, adopt the oil pump of the second motor driven liquid pressing system, when overcoming hybrid electric vehicle low speed pure motor driving, the problem of hydraulic system pressure and underfed, and being embedded in case of transmission due to the second motor, compact conformation, saves space, reduce the oad of hybrid power transmission mechanism, convenient layout.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a hybrid power transmission mechanism, comprise: driving engine (1), the first motor (3) and change-speed box (5), the output shaft of described driving engine (1) connects the input end of described first motor (3) through power-transfer clutch (2), the motor output shaft (31) of described first motor (3) connects the input end of described change-speed box (5); It is characterized in that,
Also comprise the hydraulic efficiency pressure system (6) be connected with described power-transfer clutch (2) with described change-speed box (5), described hydraulic efficiency pressure system (6) is provided with the oil pump (7) providing power, and described oil pump (7) is driven by the second motor (4);
Described second motor (4) is positioned at the case of transmission (51) of described change-speed box (5).
2. hybrid power transmission mechanism according to claim 1, is characterized in that,
Described second motor (4) comprising: stator (41), rotor (42), electric machine casing (43) and the rotor bearing (45) for supporting described rotor (42),
Described electric machine casing (43) is fixedly connected with described case of transmission (51), described stator (41) is connected with described electric machine casing (43), and described rotor bearing (45) is connected at the oil distribution casing (52) in described case of transmission (51) through clutch shaft bearing (44); Described rotor bearing (45) connects described electric machine casing (43) through the second bearing (46).
3. hybrid power transmission mechanism according to claim 2, is characterized in that,
The motor output shaft (31) of described first motor (3) connects the driving belt pulley shaft (54) of described change-speed box (5) through spline housing (53).
4. hybrid power transmission mechanism according to claim 3, is characterized in that,
Described rotor bearing (45), described clutch shaft bearing (44), described oil distribution casing (52) and described spline housing (53) form the first oil pocket (91) in order to cool described rotor (42), and described oil distribution casing (52) is provided with for by the first oil duct (92) in the oil coolant conducting of described hydraulic efficiency pressure system (6) to described first oil pocket (91).
5. hybrid power transmission mechanism according to claim 4, is characterized in that,
Described spline housing (53) is provided with the second oil duct (93), described motor output shaft (31) is provided with the 3rd oil duct (94), oil coolant in described first oil pocket (91) is through flowing out through described second oil duct (93), described 3rd oil duct (94), to cool described first motor (3) successively.
6. the hybrid power transmission mechanism according to claim 4 or 5, is characterized in that,
Form the second oil pocket (95) cooling described stator (41) between described case of transmission (51) and described electric machine casing (43), described case of transmission (51) be provided with for by the oil coolant conducting of described hydraulic efficiency pressure system (6) to the 4th oil duct (96) in described second oil pocket (95) and for will the 5th oil duct (97) of the extremely described hydraulic efficiency pressure system (6) of the cold oil return in described second oil pocket (95).
7. hybrid power transmission mechanism according to claim 1, is characterized in that,
Described second motor (4) is in transmission connection through sprocket wheel chain (8) and described oil pump (7).
8. hybrid power transmission mechanism according to claim 1, is characterized in that,
Described change-speed box (5) is steel band type toric transmission.
9. an automobile, is characterized in that, adopt as arbitrary in claim 1 to 7 as described in hybrid power transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420495300.7U CN204077346U (en) | 2014-08-29 | 2014-08-29 | Hybrid power transmission mechanism and there is the automobile of this mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420495300.7U CN204077346U (en) | 2014-08-29 | 2014-08-29 | Hybrid power transmission mechanism and there is the automobile of this mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204077346U true CN204077346U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420495300.7U Expired - Lifetime CN204077346U (en) | 2014-08-29 | 2014-08-29 | Hybrid power transmission mechanism and there is the automobile of this mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204077346U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310376A (en) * | 2016-04-19 | 2017-11-03 | 丰田自动车株式会社 | The control method of vehicle and vehicle |
| CN112303209A (en) * | 2020-10-30 | 2021-02-02 | 重庆长安汽车股份有限公司 | DCT transmission electronic oil pump arrangement structure and vehicle |
| CN116557489A (en) * | 2023-07-06 | 2023-08-08 | 浙江万里扬新能源驱动有限公司杭州分公司 | Transmission assembly for electric vehicle |
-
2014
- 2014-08-29 CN CN201420495300.7U patent/CN204077346U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310376A (en) * | 2016-04-19 | 2017-11-03 | 丰田自动车株式会社 | The control method of vehicle and vehicle |
| CN107310376B (en) * | 2016-04-19 | 2019-11-08 | 丰田自动车株式会社 | The control method of vehicle and vehicle |
| CN112303209A (en) * | 2020-10-30 | 2021-02-02 | 重庆长安汽车股份有限公司 | DCT transmission electronic oil pump arrangement structure and vehicle |
| CN112303209B (en) * | 2020-10-30 | 2022-08-09 | 重庆长安汽车股份有限公司 | DCT transmission electronic oil pump arrangement structure and vehicle |
| CN116557489A (en) * | 2023-07-06 | 2023-08-08 | 浙江万里扬新能源驱动有限公司杭州分公司 | Transmission assembly for electric vehicle |
| CN116557489B (en) * | 2023-07-06 | 2023-10-03 | 浙江万里扬新能源驱动有限公司杭州分公司 | Transmission assembly for electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee after: Hunan Yung Da intelligent transmission Limited by Share Ltd. Address before: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee before: Hunan Yung Da vehicle transmission Limited by Share Ltd. Address after: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee after: Hunan Yung Da vehicle transmission Limited by Share Ltd. Address before: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee before: HUNAN JIANGLU & RONGDA VEHICLE TRANSMISSION Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |