CN214450256U - Low-cost hybrid power system with good working condition coverage degree - Google Patents
Low-cost hybrid power system with good working condition coverage degree Download PDFInfo
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- CN214450256U CN214450256U CN202120511387.2U CN202120511387U CN214450256U CN 214450256 U CN214450256 U CN 214450256U CN 202120511387 U CN202120511387 U CN 202120511387U CN 214450256 U CN214450256 U CN 214450256U
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Abstract
The utility model provides a low-cost hybrid power system that operating mode coverage degree is good, includes power input end and power take off end, power input end is provided with first power supply, and this hybrid power system still includes first clutch, second clutch, first epicyclic train, second epicyclic train and stopper. The hybrid power system designed by the utility model adopts a motor and two planetary rows, and has simple structure and low cost; the whole framework realizes multiple working modes of the heavy dump truck through three clutches and one brake, the system can be provided with three gears, namely a low-speed climbing gear, a medium-speed direct gear and a high-speed gear, and the working condition coverage degree is good; the optimal performance suitable for the heavy dump truck is achieved by utilizing the respective characteristics of the engine and the motor and the speed change of the secondary planetary gear.
Description
Technical Field
The utility model belongs to hybrid power system development field, concretely relates to low-cost hybrid power system that operating mode coverage degree is good.
Background
At present, automobile emission and energy consumption become global problems, and with more and more strict environmental protection measures in various countries in the world, more and more proposals for replacing fuel engine automobiles, such as hydrogen energy automobiles, fuel cell automobiles, hybrid automobiles and the like, are provided; at present, the hybrid electric vehicle has the most practical value and a commercial operation mode, and only has the hybrid electric vehicle. Hybrid vehicles with low emissions and low energy consumption have become one of the mainstream of the current automobile industry development, and the key of the hybrid vehicle is a hybrid system, and the performance of the hybrid vehicle is directly related to the performance of the whole hybrid vehicle. The hybrid power means that the automobile adopts two driving modes of fuel oil driving and electric driving; the advantages that when the vehicle is started and stopped or at low speed, the vehicle can be driven only by the motor, and the engine does not work when the vehicle does not reach a certain speed; therefore, the engine can be prevented from being in an inefficient working condition state, and the electric energy is sourced from the engine and only needs to be added with oil.
At present, common heavy dump trucks (such as mining dump trucks and the like) are mainly used for completing specific tasks, have the working characteristics of short travel and heavy load bearing, and are loaded by large electric shovels or hydraulic shovels to and from a mining point and a discharging point.
The existing heavy-duty dump truck needs to achieve good working condition coverage degree according to working condition requirements, but the cost of a gearbox of the existing heavy-duty dump truck needs to be controlled in a lower range, the original gearbox has more or less defects and cannot completely meet the conditions, and in order to meet the requirements of customers and the working condition of the heavy-duty dump truck and the like, a low-cost hybrid power system with good working condition coverage degree is designed to solve the problem.
It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention, and is set forth for facilitating understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present invention.
Disclosure of Invention
For overcoming the not enough among the above-mentioned prior art, the utility model aims to provide a low-cost hybrid power system that operating mode coverage degree is good.
In order to achieve the above objects and other related objects, the present invention provides a technical solution: a low-cost hybrid power system with good working condition coverage degree comprises a power input end and a power output end, wherein the power input end is provided with a first power source, and the hybrid power system further comprises a first clutch, a second clutch, a first epicyclic gear train, a second epicyclic gear train and a brake;
the first rotating wheel system comprises a first planet wheel, a first sun wheel, a first gear ring and a first planet carrier, the first planet wheel is respectively connected with the first sun wheel and the first gear ring, and the first planet wheel is connected with the first planet carrier; the second epicyclic gear train comprises a second planet wheel, a second sun wheel, a second gear ring and a second planet carrier, the second planet wheel is respectively connected with the second sun wheel and the second gear ring, and the second planet wheel is connected with the second planet carrier;
the first sun gear is fixedly arranged, the first planet carrier is connected with the power input end, and the first planet carrier can be connected with the first gear ring through the first clutch and the second clutch;
the second sun gear is connected with the first planet carrier, the second planet carrier is connected with the power output end, the second gear ring is provided with the brake, the second gear ring can be connected with the second sun gear through the second clutch, and the second gear ring can be in transmission connection with the first gear ring through the first clutch.
The preferable technical scheme is as follows: the power input end is also provided with a second power source.
The preferable technical scheme is as follows: the second power source is in transmission connection with the first planet carrier through a main clutch.
The preferable technical scheme is as follows: the main clutch is a dry clutch.
The preferable technical scheme is as follows: the first power source is a motor, and the second power source is an engine.
The preferable technical scheme is as follows: the power output end is connected with the wheels.
The preferable technical scheme is as follows: the method comprises the following steps:
in a first working state, the main clutch is disconnected, the first clutch is disconnected, the second clutch is disconnected, and the brake is combined with the second gear ring;
in a second working state, the main clutch is combined, the first clutch is disconnected, the second clutch is combined, and the brake is disconnected from the second gear ring;
in a third working state, the main clutch is combined, the first clutch is combined, the second clutch is disconnected, and the brake is disconnected from the second gear ring;
and in a fourth working state, the main clutch is combined, the first clutch is disconnected, the second clutch is disconnected, and the brake and the second gear are disconnected.
Because of the application of the technical scheme, compared with the prior art, the utility model the advantage that has is:
the hybrid power system designed by the utility model adopts a motor and two planetary rows, and has simple structure and low cost; the whole framework realizes multiple working modes of the heavy dump truck through three clutches and one brake, the system can be provided with three gears, namely a low-speed climbing gear, a medium-speed direct gear and a high-speed gear, and the working condition coverage degree is good; the optimal performance suitable for the heavy dump truck is achieved by utilizing the respective characteristics of the engine and the motor and the speed change of the secondary planetary gear.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic diagram of the present invention.
In the above drawings, the second power source 1, the main clutch 2, the first power source 3, the first planet gear 4, the first clutch 5, the second clutch 6, the brake 7, the second planet carrier 8, the second sun gear 9, the second planet gear 10, the second ring gear 11, the first planet carrier 12, the first ring gear 13, and the first sun gear 14.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 and 2. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1: as shown in fig. 1, a low-cost hybrid power system with good working condition coverage degree comprises a power input end and a power output end, wherein the power input end is provided with a first power source 3, and the hybrid power system further comprises a first clutch 5, a second clutch 6, a first epicyclic gear train, a second epicyclic gear train and a brake 7; the first epicyclic gear train comprises a first planet wheel 4, a first sun wheel 14, a first gear ring 13 and a first planet carrier 12, the first planet wheel 4 is respectively connected with the first sun wheel 14 and the first gear ring 13, and the first planet wheel 4 is connected with the first planet carrier 12; the second epicyclic gear train comprises a second planet wheel 10, a second sun wheel 9, a second gear ring 11 and a second planet carrier 8, the second planet wheel 10 is respectively connected with the second sun wheel 9 and the second gear ring 11, and the second planet wheel 10 is connected with the second planet carrier 8; the first sun gear 14 is fixedly arranged, the first planet carrier 12 is connected with a power input end, and the first planet carrier 12 can be connected with the first gear ring 13 through the first clutch 5 and the second clutch 6; the second sun gear 9 is connected with the first planet carrier 12, the second planet carrier 8 is connected with the power output end, the second gear ring 11 is provided with a brake 7, the second gear ring 11 can be connected with the second sun gear 9 through the second clutch 6, and the second gear ring 11 can be in transmission connection with the first gear ring 13 through the first clutch 5.
Example 2: as shown in fig. 2, a low-cost hybrid power system with good working condition coverage degree comprises a power input end and a power output end, wherein the power input end is provided with a first power source 3, and the hybrid power system further comprises a first clutch 5, a second clutch 6, a first epicyclic gear train, a second epicyclic gear train and a brake 7; the first epicyclic gear train comprises a first planet wheel 4, a first sun wheel 14, a first gear ring 13 and a first planet carrier 12, the first planet wheel 4 is respectively connected with the first sun wheel 14 and the first gear ring 13, and the first planet wheel 4 is connected with the first planet carrier 12; the second epicyclic gear train comprises a second planet wheel 10, a second sun wheel 9, a second gear ring 11 and a second planet carrier 8, the second planet wheel 10 is respectively connected with the second sun wheel 9 and the second gear ring 11, and the second planet wheel 10 is connected with the second planet carrier 8; the first sun gear 14 is fixedly arranged, the first planet carrier 12 is connected with a power input end, and the first planet carrier 12 can be connected with the first gear ring 13 through the first clutch 5 and the second clutch 6; the second sun gear 9 is connected with the first planet carrier 12, the second planet carrier 8 is connected with the power output end, the second gear ring 11 is provided with a brake 7, the second gear ring 11 can be connected with the second sun gear 9 through the second clutch 6, and the second gear ring 11 can be in transmission connection with the first gear ring 13 through the first clutch 5. The power input end is also provided with a second power source 1. The second power source 1 is in driving connection with the first planet carrier 12 via the main clutch 2. The first power source 3 is a motor, and the second power source 1 is an engine. The power output end is connected with the wheels.
The preferred embodiment is: the main clutch 2 is a dry clutch. The dry clutch has low cost, light weight, good fuel economy and high torque transmission efficiency.
The working state comprises the following steps:
in the first working state, the main clutch 2 is disconnected, the first clutch 5 is disconnected, the second clutch 6 is disconnected, and the brake 7 is combined with the second gear ring 11;
in a second working state, the main clutch 2 is combined, the first clutch 5 is disconnected, the second clutch 6 is combined, and the brake 7 is disconnected with the second gear ring 11;
in a third working state, the main clutch 2 is combined, the first clutch 5 is combined, the second clutch 6 is disconnected, and the brake 7 is disconnected with the second gear 11;
in the fourth operating state, the main clutch 2 is engaged, the first clutch 5 is disengaged, the second clutch 6 is disengaged, and the brake 7 and the second ring gear 11 are disengaged.
The driving method of the hybrid power system
The pure electric mode is realized through the first working state; the brake 7 is combined with the second gear ring 11, so that the second gear ring 11 is fixed, the first clutch 5, the second clutch 6 and the main clutch 2 are disconnected, the torque of the first power source 3 is input through the second sun gear 9 of the second epicyclic gear train and is output through the second planet carrier 8 of the second epicyclic gear train, and the pure electric mode is realized.
Realizing a 1:1 transmission ratio output mode through a second working state; the brake 7 is disconnected with the second gear ring 11, the first clutch 5 is disconnected, the second clutch 6 is combined, the second gear ring 11 is connected with the second sun gear 9, the second epicyclic gear train is locked, the second power source 1 provides power to drive wheels, and the output of the transmission ratio 1:1 is realized.
Realizing a high-speed operation mode through a third working state; the brake 7 is disconnected from the second gear ring 11, the first clutch 5 is combined, the second clutch 6 is disconnected, one path of power is input from the second sun gear 9, one path of power is input from the first planet carrier 12 and input to the second gear ring 11 after being accelerated from the first gear ring 13, and the two paths of power are synthesized and input from the second planet carrier 8 to realize high-speed output.
The application comprises the following steps:
starting and low-speed working conditions: the brake 7 is locked, a second gear ring 11 of the second epicyclic gear train is fixed, the first clutch 5 and the second clutch 6 are disconnected, the main clutch 2 of the second power source 1 is disconnected, the torque of the first power source 3 is input through a second sun gear 9 of the second epicyclic gear train and is output to a second planet carrier 8 of the second epicyclic gear train, the large-transmission-ratio speed reduction output is realized, and the pure electric mode is realized by a first working state at the moment.
And (3) medium-speed working condition: when the speed increases, the brake 7 and the first clutch 5 are disengaged, the second clutch 6 is engaged, and the second epicyclic train is locked, so that the speed ratio of 1:1, when the rotating speed of the first power source 3 is increased to be higher than a certain rotating speed, the second power source 1 is started and participates in work, at the moment, power is mainly provided by the second power source 1, the first power source 3 can be switched into a power generation mode to supplement battery energy, the mode can be determined according to the capacity and the load of a battery, and at the moment, three modes are provided: the power generation device comprises a second power source 1+ a first power source 3 for driving, a second power source 1+ a first power source 3 for following, and a second power source 1+ a first power source 3 for generating power; is realized by the second working state.
High-speed working conditions: when the vehicle speed is further increased, the brake 7 and the second clutch 6 are disconnected, the first clutch 5 is combined, one path of power is input from the second sun gear 9 of the second epicyclic gear train, the other path of power is input from the first planet carrier 12 of the first epicyclic gear train, the power is input into the second planet carrier 11 of the second epicyclic gear train after being accelerated by the first gear ring 13, and overspeed output is realized from the second planet carrier 8 after combination, at the moment, the first power source 3 can determine the mode according to the battery capacity, the load and the like to realize the optimal mode, and at the moment, three modes also exist: the power generation device comprises a second power source 1+ a first power source 3 for driving, a second power source 1+ a first power source 3 for following, and a second power source 1+ a first power source 3 for generating power; by the third operating state.
And (3) slowly driving on a downhill: the second power source 1 is closed or idled, the main clutch 2 of the second power source 1 is disconnected, the first power source 3 generates electricity to recover energy, and the gear of the epicyclic gear train is determined according to the vehicle speed.
Deceleration and braking: the second power source 1 is closed or idled, the main clutch 2 of the second power source 1 is disconnected, the first power source 3 generates electricity to recover energy, and the gear of the epicyclic gear train is determined according to the vehicle speed.
Parking power generation: the second power source 1 idles or works normally, the second power source 1 is combined with the main clutch 2, the first clutch 5, the second clutch 6 and the brake 7 are disconnected, and the first power source 3 is in a power generation state; by the fourth operating state.
The hybrid power system designed by the utility model adopts a motor and two planetary rows, and has simple structure and low cost; the whole framework realizes multiple working modes of the heavy dump truck through three clutches and one brake, the system can be provided with three gears, namely a low-speed climbing gear, a medium-speed direct gear and a high-speed gear, and the working condition coverage degree is good; the optimal performance suitable for the heavy dump truck is achieved by utilizing the respective characteristics of the engine and the motor and the speed change of the secondary planetary gear.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a low-cost hybrid power system that operating mode coverage degree is good, includes power input end and power take off end, power input end is provided with first power supply, its characterized in that: the hybrid power system further comprises a first clutch, a second clutch, a first epicyclic gear train, a second epicyclic gear train and a brake;
the first rotating wheel system comprises a first planet wheel, a first sun wheel, a first gear ring and a first planet carrier, the first planet wheel is respectively connected with the first sun wheel and the first gear ring, and the first planet wheel is connected with the first planet carrier; the second epicyclic gear train comprises a second planet wheel, a second sun wheel, a second gear ring and a second planet carrier, the second planet wheel is respectively connected with the second sun wheel and the second gear ring, and the second planet wheel is connected with the second planet carrier;
the first sun gear is fixedly arranged, the first planet carrier is connected with the power input end, and the first planet carrier can be connected with the first gear ring through the first clutch and the second clutch;
the second sun gear is connected with the first planet carrier, the second planet carrier is connected with the power output end, the second gear ring is provided with the brake, the second gear ring can be connected with the second sun gear through the second clutch, and the second gear ring can be in transmission connection with the first gear ring through the first clutch.
2. The low-cost hybrid power system with good working condition coverage degree according to claim 1, characterized in that: the power input end is also provided with a second power source.
3. The low-cost hybrid power system with good working condition coverage degree according to claim 2, characterized in that: the second power source is in transmission connection with the first planet carrier through a main clutch.
4. The low-cost hybrid power system with good working condition coverage degree according to claim 3, characterized in that: the main clutch is a dry clutch.
5. The low-cost hybrid power system with good working condition coverage degree according to claim 4, characterized in that: the first power source is a motor, and the second power source is an engine.
6. The low-cost hybrid power system with good working condition coverage degree according to claim 5, characterized in that: the power output end is connected with the wheels.
7. The low-cost hybrid system with good working condition coverage according to claim 6, characterized by comprising:
in a first working state, the main clutch is disconnected, the first clutch is disconnected, the second clutch is disconnected, and the brake is combined with the second gear ring;
in a second working state, the main clutch is combined, the first clutch is disconnected, the second clutch is combined, and the brake is disconnected from the second gear ring;
in a third working state, the main clutch is combined, the first clutch is combined, the second clutch is disconnected, and the brake is disconnected from the second gear ring;
and in a fourth working state, the main clutch is combined, the first clutch is disconnected, the second clutch is disconnected, and the brake and the second gear are disconnected.
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| CN202120511387.2U CN214450256U (en) | 2021-03-10 | 2021-03-10 | Low-cost hybrid power system with good working condition coverage degree |
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| CN202120511387.2U CN214450256U (en) | 2021-03-10 | 2021-03-10 | Low-cost hybrid power system with good working condition coverage degree |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848874A (en) * | 2021-03-10 | 2021-05-28 | 苏州亚太金属有限公司 | Low-cost hybrid power system with good working condition coverage degree and driving method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848874A (en) * | 2021-03-10 | 2021-05-28 | 苏州亚太金属有限公司 | Low-cost hybrid power system with good working condition coverage degree and driving method thereof |
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Address after: 215000 No.4, Xingwang Road, Industrial Park 2, Huangqiao street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou Asia Pacific Jingrui Transmission Technology Co.,Ltd. Address before: 215000 No.4, Xingwang Road, Industrial Park 2, Huangqiao street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU ASIA PACIFIC METAL Co.,Ltd. |
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