CN217969253U - Range extender and motor vehicle - Google Patents
Range extender and motor vehicle Download PDFInfo
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- CN217969253U CN217969253U CN202222359450.2U CN202222359450U CN217969253U CN 217969253 U CN217969253 U CN 217969253U CN 202222359450 U CN202222359450 U CN 202222359450U CN 217969253 U CN217969253 U CN 217969253U
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Abstract
The application provides a range extender and a motor vehicle, which relate to the field of new energy automobiles, wherein the range extender comprises an engine, a gear set and a generator matched with the engine; the first end of the gear set is connected with an output shaft of the engine, the second end of the gear set is connected with an input end of the generator, the rotating speed of the first end of the gear set is smaller than that of the second end of the gear set, and at least one part of the gear set is integrated in the gear chamber. The problem that the whole bulky of increase journey ware, and generating efficiency is low can be solved to this application.
Description
Technical Field
The application relates to the field of new energy automobiles, in particular to a range extender and a motor vehicle.
Background
The range extender is a common new energy automobile part and can provide extra electric energy for the new energy automobile, so that the driving mileage of the new energy automobile is increased, and the cruising ability of the new energy automobile can be improved.
The range extender generally comprises an engine and a generator matched with the engine, wherein the input end of the generator is directly connected to the output shaft of the engine, so that the generator is driven to operate through the rotation of the output shaft of the engine, and the generator can be used for generating electricity. The existing engine is basically applied during the development of the traditional range extender, the generator arrangement can not be considered in the integration of the engine during the structural arrangement design, the generator is simply connected to the output end of the engine flywheel, and the range extender with the structure has low integration level and long axial dimension and is not beneficial to the carrying of the whole vehicle. In order to meet the requirement of high power, a high-power engine, particularly a heavy-duty vehicle diesel engine, a methanol engine and the like are usually arranged, the traditional high-power range extender engine and a generator adopt a direct connection technology, the motor is matched with the technical characteristics of the high-power engine, a low-speed large-torque motor is adopted, and the low-speed large-torque motor has the defects of large volume, heavy weight, high cost, low efficiency and the like, so that the range extender is large in whole volume, low in integration level and low in power generation efficiency.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a range extender and a motor vehicle, and aims to solve the problems that the range extender is large in overall size, low in integration level and low in power generation efficiency.
The range extender provided by the embodiment of the application comprises an engine, a gear set and a generator matched with the engine;
the first end of the gear set is connected with an output shaft of the engine, the second end of the gear set is connected with an input end of the generator, the rotating speed of the first end of the gear set is smaller than that of the second end of the gear set, and at least one part of the gear set is integrated in the gear chamber.
Further preferably, at least a part of the gear set is multiplexed to constitute the gear chamber.
By adopting the technical scheme, when the range extender is in a working state, the output shaft of the engine rotates to drive the first end of the gear set to rotate, the gear set drives the input end of the generator to rotate through the second end, and the rotating speed of the first end of the gear set is less than that of the second end of the gear set, so that the rotating speed of the input end of the generator is greater than that of the output shaft of the engine, and the low-speed high-torque generator in the related technology can be replaced, and the generating efficiency of the generator can be improved; and at least one part of the gear set can be reused to form the gear chamber, so that at least one part of the gear set can be integrated in the gear chamber, the number of the gears specially used for forming the gear set can be reduced, and the size of the range extender can be further reduced.
In the above preferred technical solution, the gear set includes a crankshaft gear and an output gear;
the crankshaft gear is connected with an output shaft of the engine and is used for driving the output gear to rotate;
the output gear is connected with the input end of the generator, and the diameter of the output gear is smaller than that of the crankshaft gear.
In the above preferred technical solution, the gear chamber includes a housing, and a plurality of transmission gears disposed in the housing;
the crankshaft gear is arranged in the shell and can be reused as one transmission gear to be used in cooperation with other transmission gears.
In the above preferred technical solution, the gear set further includes an idler gear, and the idler gear is disposed between the crankshaft gear and the output gear and is used for connecting the crankshaft gear and the output gear.
In the above preferred technical solution, the number of the generators is plural; the output gear is provided with a plurality of gears, and each output gear is used for being connected with the input end of one generator and meshed with the idle gear.
In the above preferred technical solution, the gear set further includes a flywheel, an input end of the flywheel is connected to an output shaft of the engine, and an output end of the flywheel is connected to the crankshaft gear.
In the above preferred technical solution, the gear set is disposed in a housing of the gear chamber.
In the above preferred technical solution, the generator is a high-speed generator, and the generator is disposed in the gear chamber.
In the above preferred technical solution, the generator and the engine are disposed at an interval, and the gear chamber is installed between the generator and the engine.
The engine may be, without limitation, a gasoline engine, a diesel engine, a methanol engine, or the like.
The embodiment of the application also provides a motor vehicle which comprises the range extender.
By adopting the technical scheme, when the range extender of the motor vehicle is in a working state, the output shaft of the engine rotates so as to drive the first end of the gear set to rotate, the gear set drives the input end of the generator to rotate through the second end, and the rotating speed of the first end of the gear set is less than that of the second end of the gear set, so that the rotating speed of the input end of the generator is greater than that of the output shaft of the engine, and therefore, a low-speed large-torque generator in the related technology can be replaced, and the generating efficiency of the generator can be improved; and at least one part of the gear set can be reused to form the gear chamber, so that at least one part of the gear set can be integrated in the gear chamber, the number of the gears specially used for forming the gear set can be reduced, and the size of the range extender can be further reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic structural diagram of a range extender provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a gear set according to an embodiment of the present application.
Description of reference numerals:
100. an engine; 200. a gear set; 210. a crankshaft gear; 220. an idler gear; 230. an output gear; 240. a flywheel; 300. a gear chamber; 310. a housing; 320. a transmission gear; 400. a generator; 410. a flange plate.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. The drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the concepts of the application by those skilled in the art with reference to specific embodiments.
Detailed Description
As described in the background art, a range extender generally includes an engine and a generator used in cooperation with the engine, and an input end of the generator is directly connected to an output shaft of the engine, so that the generator is driven to operate by rotation of the output shaft of the engine, and power generation can be performed by the generator. In order to meet the power demand of the motor vehicle, the engine is usually configured as a high-power generator, especially a heavy-duty vehicle high-power diesel engine. In order to meet the requirements on the power and the torque of the generator and to be matched with a high-power generator, a low-speed high-torque generator is generally required to be adapted to the high-power generator, but the generator is larger in size, so that the range extender is larger in overall size, and the range extender provided with the generator is low in generating efficiency due to the fact that the rotating speed of the generator is lower.
In order to solve the above technical problems, an embodiment of the present application provides a range extender and a motor vehicle, where a gear set is provided and a part of the gear set is reused to form a gear chamber, when the range extender of the motor vehicle is in an operating state, an output shaft of an engine rotates to drive a first end of the gear set to rotate, so that the gear set drives an input end of a generator to rotate through a second end, and a rotation speed of the first end of the gear set is less than a rotation speed of the second end of the gear set, so that a rotation speed of the input end of the generator is greater than a rotation speed of an output shaft of the engine, thereby being capable of replacing a low-speed large-torque generator in the related art and improving a power generation efficiency of the generator; and at least one part of the gear set can be reused to form the gear chamber, so that at least one part of the gear set can be integrated in the gear chamber, the number of the gears specially used for forming the gear set can be reduced, and the size of the range extender can be further reduced.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present application provides a range extender, including an engine 100, a gear set 200, and a generator 400 used in cooperation with the engine 100; a first end of the gear set 200 is connected to an output shaft of the engine 100, and a second end of the gear set 200 is connected to an input end of the generator 400, so that the generator 400 can be connected to the engine 100 through the gear set 200; the first end of the gear set 200 rotates at a speed less than the second end of the gear set 200 such that the input of the generator 400 rotates at a speed greater than the output of the engine 100, and at least a portion of the gear set 200 can be reused to form the gear chamber 300, thereby enabling a portion of the gear set 200 to be integrated into the gear chamber 300.
The gear chamber 300 is a common component of a motor vehicle, and is generally mounted on an output shaft of the motor vehicle engine 100, so that the gear chamber 300 forms a gear train and can be used in cooperation with the output shaft of the engine 100, thereby enabling output modes of the output shaft of the engine 100 to be more varied. The gear chamber 300 includes a housing 310, and a plurality of transmission gears 320 disposed in the housing 310, the plurality of transmission gears 320 being disposed in a set order and engaged with each other, wherein one of the transmission gears 320 is connected to an output shaft of the engine 100, so that an output manner of the output shaft of the engine 100 can be changed by the plurality of transmission gears 320 being engaged with each other.
In the embodiment of the present application, the engine 100 may be a gasoline engine, a diesel engine, a methanol engine, or the like. The generator 400 can select a high-speed motor, so that the generating efficiency of the generator 400 can be improved, the generator 400 can be further arranged to be multiple, so that the input ends of the generators 400 can be driven to rotate through the engine 100, the generators 400 can be used for generating power simultaneously, and the generating efficiency of the range extender is further improved. For example, the number of the generators 400 may be two, and two generators 400 are arranged in parallel.
The structure of the gear set 200 is described below with reference to fig. 1 and 2, and in the present embodiment, the gear set 200 includes a crank gear 210 and an output gear 230; the crankshaft gear 210 is connected to an output shaft of the engine 100 and is used for driving the output gear 230 to rotate; the output gear 230 is connected with the input end of the generator 400, and the diameter of the output gear 230 is smaller than that of the crankshaft gear 210, so that the rotating speed of the first end of the gear set 200 is smaller than that of the second end of the gear set 200, and further the rotating speed of the input end of the generator 400 is larger than that of the output end of the engine 100, so as to achieve the effect of improving the generating efficiency of the generator 400.
It is easy to understand that, when the number of the generators 400 is two, the output gears 230 are also two, and each output gear 230 is used for being connected with the input end of one generator 400, so that the crankshaft gear 210 can simultaneously drive the two output gears 230 to rotate, so that the two output gears 230 simultaneously rotate, so that the input ends of the two generators 400 rotate, and then the two generators 400 can be used for simultaneously generating electricity, thereby improving the power generation efficiency of the range extender.
Referring to fig. 1 and 2, in the embodiment of the present application, the gear set 200 may further include an idle gear 220, and the idle gear 220 is disposed between the crank gear 210 and the two output gears 230 and serves to connect the crank gear 210 and the two output gears 230. Illustratively, the diameter of the idle gear 220 is larger than that of the crank gear 210, so that the idle gear 220 can be engaged with the crank gear 210 and the two output gears 230 at the same time, so that the crank gear 210 rotates the two output gears 230 via the idle gear 220.
By adopting the above technical scheme, when the gear set 200 is in a working state so that the range extender can generate electricity, the output shaft of the engine 100 rotates and drives the crankshaft gear 210 to rotate, and simultaneously the crankshaft gear 210 is meshed with the idle gear 220, so that the crankshaft gear 210 drives the idle gear 220 to rotate, the idle gear 220 simultaneously drives the two output gears 230 which are meshed with each other to rotate, and then the input ends of the two generators 400 can be driven to rotate through the two output gears 230, so that the two generators 400 can be utilized to generate electricity.
In the embodiment of the present application, the crank gear 210, the idle gear 220, and the output gear 230 may be selected from various types of gears, such as bevel gears, helical gears, etc., and for example, the crank gear 210, the idle gear 220, and the output gear 230 are all selected from spur gears, and the rotational axis of the crank gear 210, the rotational axis of the idle gear 220, and the rotational axis of the output gear 230 are all arranged in parallel, so that the operation process of the gear set 200 is more smooth.
In addition, the crankshaft gear 210, the idle gear 220 and the output gear 230 can be installed on the housing 310 of the gear chamber 300, so that the gear set 200 can be accommodated in the gear chamber 300, the gear set 200 can be integrated in the gear chamber 300, and an installation base for installing the gear set 200 does not need to be separately arranged, so that the range extender can be more compact in structure, and the volume of the range extender is further reduced.
In the embodiment of the present application, the idle gear 220 may be disposed at various positions, for example, the rotation axis of the crank gear 210 and the rotation axes of the two output gears 230 are enclosed together to form a triangle, and the rotation axis of the idle gear 220 is disposed between the rotation axis of the crank gear 210 and the rotation axes of the two output gears 230, so that the crank gear 210 and the two output gears 230 are annularly disposed outside the idle gear 220. Alternatively, the crank gear 210 may be disposed between the two output gears 230 along the circumferential direction of the idle gear 220.
It is easily understood that one or more of the crank gear 210, the idle gear 220, and the output gear 230 may be formed with at least one through-hole, so that the weight of the crank gear 210, the idle gear 220, and the output gear 230 can be reduced, and other components can be mounted using the through-holes, so that the use of the crank gear 210, the idle gear 220, and the output gear 230 is more convenient and the function is more abundant.
For example, the gear set 200 may further include another function gear (not shown), and the function gear may be disposed between the crank gear 210 and the idle gear 220 to connect the crank gear 210 and the idle gear 220, or the function gear may be disposed between the idle gear 220 and the output gear 230 to connect the idle gear 220 and the output gear 230. As for the setting mode of the functional gears and the number of the functional gears, both can be adjusted according to actual conditions, and the embodiment of the present application does not further limit this, as long as the normal use of the gear set 200 can be satisfied.
Referring to fig. 1 and 2, in the present embodiment, the gear chamber 300 includes a plurality of transmission gears 320 disposed in a housing 310, and the plurality of transmission gears 320 are disposed in a set order and engaged with each other; and the gear set 200 is disposed within the housing 310.
It will be readily appreciated that the gear unit 200 may be mounted within the housing 310, thereby utilizing the housing 310 as the mounting base for the gear unit 200. Alternatively, in the embodiment of the present application, at least a portion of the gear set 200 may be reused to form the gear chamber 300, that is, one or more of the crank gear 210, the idle gear 220, and the output gear 230 may be reused as the transmission gear 320 of the gear chamber 300, so that the function of the gear chamber 300 can be realized by being used in cooperation with other transmission gears 320, thereby reducing the number of gears dedicated to forming the gear set 200, and further reducing the volume of the range extender.
Specifically, the crank gear 210 is illustratively coupled to an output shaft of the engine 100 and can be reused as one drive gear 320 for use with other drive gears 320. When the transmission process of the gear chamber 300 needs to be completed by using the crank gear 210, the crank gear 210 is meshed with other transmission gears 320, so that the transmission process of the gear chamber 300 can be realized by using the crank gear 210 as one transmission gear 320; when the transmission process of the gear set 200 needs to be completed by using the crankshaft gear 210, the crankshaft gear 210 is meshed with the idle gear 220, so that the crankshaft gear 210 can be used for driving the idle gear 220 to rotate, and then the two output gears 230 can be used for driving the input ends of the two generators 400 to rotate, so that the two generators 400 can be used for generating power.
For example, the idle gear 220 and the output gear 230 of the gear set 200 may also be reused to form the transmission gear 320 in the gear chamber 300, so as to implement the transmission process of the gear chamber 300, which is not further limited in the embodiment of the present application as long as the transmission process of the gear set 200 and the gear chamber 300 can be ensured.
By adopting the above technical scheme, the crankshaft gear 210 is reused as one transmission gear 320 of the gear chamber 300, when the transmission process of the gear chamber 300 needs to be completed by using the crankshaft gear 210, the output end of the engine 100 drives the crankshaft gear 210 to rotate, the crankshaft gear 210 arranged in the housing 310 is meshed with other transmission gears 320, and drives other transmission gears 320 to rotate, so that the transmission process of the gear chamber 300 can be realized by using the crankshaft gear 210 as one transmission gear 320; when the crankshaft gear 210 is needed to complete the transmission process of the gear set 200, the output end of the engine 100 drives the crankshaft gear 210 to rotate, the crankshaft gear 210 is meshed with the idle gear 220, so that the crankshaft gear 210 can be used for driving the idle gear 220 to rotate, the two output gears 230 can be used for driving the two generators 400 to rotate, and the two generators 400 can be used for generating electricity, so that the crankshaft gear 210 does not need to be prepared additionally, the number of the gears specially used for forming the gear set 200 can be reduced, and the size of the range extender can be reduced.
With continued reference to fig. 1 and 2, in the present embodiment, gear set 200 further includes flywheel 240, and the input end of flywheel 240 is connected to the output shaft of engine 100, and the output end of flywheel 240 is connected to crank gear 210; so that the output shaft of engine 100 can be connected to crank gear 210 via flywheel 240.
Since the output shaft of engine 100 usually has a variable rotation speed and torque when engine 100 applies work to the outside through the output shaft, crankshaft gear 210 connected to the output shaft of engine 100 is subjected to a variable transmission torque, thereby affecting the rotation process of crankshaft gear 210. Therefore, the flywheel 240 is disposed between the output shaft of the engine 100 and the crank gear 210, so that a part of the rotational kinetic energy of the output shaft of the engine 100 can be stored by the flywheel 240, the rotation process of the crank gear 210 is more stable, and the transmission process of the gear set 200 is ensured.
Illustratively, flywheel 240 can also be reused to form gear chamber 300, so that part of the rotational kinetic energy of the output shaft of engine 100 can be stored during the transmission process of gear chamber 300, thereby making the transmission process of gear chamber 300 smoother. It is easy to understand that when the flywheel 240 is disposed in the gear chamber 300, the original flywheel 240 of the gear chamber 300 can be used to form the gear set 200, so that the flywheel 240 of the gear set 200 does not need to be prepared, the number of components dedicated to forming the gear set 200 can be reduced, and the size of the range extender can be reduced.
By adopting the above technical scheme, the flywheel 240 can be reused to form the gear chamber 300, when the transmission process of the gear chamber 300 needs to be completed by using the flywheel 240, the output end of the engine 100 drives the flywheel 240 to rotate, so that the crankshaft gear 210 can be driven to rotate by the flywheel 240, the crankshaft gear 210 is meshed with other transmission gears 320, and the other transmission gears 320 are driven to rotate, so as to realize the transmission process of the gear chamber 300; when the flywheel 240 is needed to complete the transmission process of the gear set 200, the output end of the engine 100 drives the flywheel 240 to rotate, so that the crankshaft gear 210 can be driven to rotate through the flywheel 240, the crankshaft gear 210 is meshed with the idle gear 220, so that the crankshaft gear 210 can be used for driving the idle gear 220 to rotate, and further the input ends of the two generators 400 can be driven to rotate through the two output gears 230, so that the two generators 400 can be used for generating electricity, so that the flywheel 240 of the gear set 200 does not need to be prepared additionally, the number of parts specially used for forming the gear set 200 can be reduced, and the size of the range extender can be reduced.
Specific mounting positions of engine 100, gear chamber 300 and generator 400 are described below with reference to fig. 1, in the embodiment of the present application, generator 400 is disposed at a distance from engine 100, and gear chamber 300 is mounted between generator 400 and engine 100, and gear chamber 300 can accommodate gear set 200.
Specifically, the output shaft of the generator 400 extends in the first direction and passes through the housing 310 of the gear chamber 300, the engine 100, the gear chamber 300 and the generator 400 are sequentially arranged in the first direction, and the gear chamber 300 can accommodate the gear set 200, so that the gear set 200 is arranged between the engine 100 and the generator 400, the output shaft of the engine 100 and the input end of the generator 400 can be connected by using the gear set 200, and the rotation form of the output shaft of the engine 100 can be changed by using the gear chamber 300.
The generator 400 may be fixed relative to the engine 100, i.e., the generator 400 may be mounted on the engine 100, or the generator 400 may be mounted on a side of the gear chamber 300 away from the engine 100. In the present embodiment, two generators 400 are disposed on the surface of the housing of the gear chamber 300 away from the engine 100, and each generator 400 is provided with a flange 410 for attachment to the housing so as to be bolted to the case 310 via the flange 410.
It is easy to understand that the input end of the generator 400 is connected to the output gear 230, and the output gear 230 is disposed in the housing 310, and illustratively, the input end of the generator 400 passes through the housing 310 and is coaxially fixed with the corresponding output gear 230, so that the output end of the engine 100 can drive the input end of the generator 400 to rotate through the gear set 200.
Or, the generator 400 may also be disposed in the housing 310, so that the generator 400 can be protected to some extent by the housing 310, and as for the specific installation position of the generator 400, the embodiment of the present application does not further limit this, as long as the normal use of the generator 400 can be ensured.
By adopting the above technical scheme, when the gear set 200 is in a working state, so that the range extender can generate power, the output shaft of the engine 100 rotates, the crankshaft gear 210 is driven to rotate by the flywheel 240, and simultaneously the crankshaft gear 210 is meshed with the idle gear 220, so that the crankshaft gear 210 drives the idle gear 220 to rotate, the idle gear 220 simultaneously drives the two output gears 230 which are meshed with each other to rotate, and then the input ends of the two generators 400 can be driven to rotate by the two output gears 230, so that the two generators 400 arranged outside the shell 310 can be utilized to generate power.
In summary, when the range extender is in an operating state, the output shaft of the engine 100 drives the crankshaft gear 210 to rotate through the flywheel 240, and simultaneously the crankshaft gear 210 is meshed with the idle gear 220, so that the crankshaft gear 210 drives the idle gear 220 to rotate, the idle gear 220 simultaneously drives the two output gears 230 that are meshed to rotate, and further can drive the input ends of the two generators 400 to rotate through the two output gears 230, and the rotation speed of the first end of the gear set 200 is less than that of the second end of the gear set 200, so that the rotation speed of the input end of the generator 400 is greater than that of the output shaft of the engine 100, and thus the low-speed large-torque generator 400 in the related art can be replaced, and the power generation efficiency of the generator 400 can be improved; and the crank gear 210 and the flywheel 240 can be reused to form the gear chamber 300, so that at least a part of the gear set 200 can be integrated into the gear chamber 300, so that the number of gears dedicated to forming the gear set 200 can be reduced, and the size of the range extender can be reduced.
The embodiment of the application further provides a motor vehicle which comprises the range extender in any one of the above embodiments, and the motor vehicle can be set to be a new energy automobile, a new energy commercial vehicle and the like.
When the range extender of the motor vehicle is in a working state, the output shaft of the engine 100 drives the crankshaft gear 210 to rotate through the flywheel 240, and simultaneously the crankshaft gear 210 is meshed with the idle gear 220, so that the crankshaft gear 210 drives the idle gear 220 to rotate, the idle gear 220 simultaneously drives the two meshed output gears 230 to rotate, and further the input ends of the two generators 400 can be driven to rotate through the two output gears 230, and the rotating speed of the first end of the gear set 200 is less than that of the second end of the gear set 200, so that the rotating speed of the input end of the generator 400 is greater than that of the output shaft of the engine 100, and therefore, the low-speed high-torque generator 400 in the related technology can be replaced, and the generating efficiency of the generator 400 can be improved; and the crank gear 210 and the flywheel 240 can be reused to form the gear chamber 300, so that at least a part of the gear set 200 can be integrated into the gear chamber 300, thereby reducing the number of gears dedicated to forming the gear set 200 and further reducing the size of the range extender.
In the embodiments of the present application, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the embodiments of the present application, it should be understood that the terms "inner", "outer", "upper", "bottom", "front", "back", and the like, when used in conjunction with the orientation or positional relationship shown in the drawings, are used merely for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present application.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. The range extender is characterized by comprising an engine, a gear set and a generator matched with the engine for use;
the first end of the gear set is connected with an output shaft of the engine, the second end of the gear set is connected with an input end of the generator, the rotating speed of the first end of the gear set is lower than that of the second end of the gear set, and at least one part of the gear set is integrated in a gear chamber.
2. The range extender of claim 1, wherein at least a portion of the gear set is multiplexed to form the gear chamber.
3. The range extender of claim 1 or 2, wherein the gear set comprises a crankshaft gear and an output gear;
the crankshaft gear is connected with an output shaft of the engine and is used for driving the output gear to rotate;
the output gear is connected with the input end of the generator, and the diameter of the output gear is smaller than that of the crankshaft gear.
4. The range extender of claim 3, wherein the gear chamber comprises a housing, and a plurality of drive gears disposed within the housing;
the crankshaft gear is arranged in the shell and can be reused as one transmission gear to be used in cooperation with other transmission gears.
5. The range extender of claim 3, wherein said gear set further comprises an idler gear disposed between and for connecting said crankshaft gear and said output gear.
6. The range extender of claim 5, wherein the generator is provided in plurality; the output gear is provided with a plurality of gears, and each output gear is used for being connected with the input end of one generator and meshed with the idle gear.
7. The range extender of claim 3, wherein the gear set further comprises a flywheel, an input end of the flywheel is connected to an output shaft of the engine, and an output end of the flywheel is connected to the crankshaft gear.
8. The range extender of claim 1 or 2, wherein the gear set is disposed within a housing of the gear chamber.
9. The range extender of claim 1 or 2, wherein the generator is spaced from the engine and the gear chamber is mounted between the generator and the engine.
10. A motor vehicle comprising a range extender according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222359450.2U CN217969253U (en) | 2022-09-02 | 2022-09-02 | Range extender and motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222359450.2U CN217969253U (en) | 2022-09-02 | 2022-09-02 | Range extender and motor vehicle |
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| Publication Number | Publication Date |
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| CN217969253U true CN217969253U (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222359450.2U Active CN217969253U (en) | 2022-09-02 | 2022-09-02 | Range extender and motor vehicle |
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| CN (1) | CN217969253U (en) |
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2022
- 2022-09-02 CN CN202222359450.2U patent/CN217969253U/en active Active
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