CN220185757U - Electric drive system and vehicle - Google Patents
Electric drive system and vehicle Download PDFInfo
- Publication number
- CN220185757U CN220185757U CN202321956031.5U CN202321956031U CN220185757U CN 220185757 U CN220185757 U CN 220185757U CN 202321956031 U CN202321956031 U CN 202321956031U CN 220185757 U CN220185757 U CN 220185757U
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- 230000009467 reduction Effects 0.000 claims abstract description 81
- 238000009826 distribution Methods 0.000 claims abstract description 52
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 10
- 238000005265 energy consumption Methods 0.000 abstract description 10
- 238000005461 lubrication Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000000306 component Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The utility model provides an electric driving system and a vehicle, and relates to the technical field of electric driving. The electric drive system includes: an electrically driven housing configured with a receiving cavity and a dispensing structure; the motor assembly is configured in the accommodating cavity, the motor assembly is provided with a first oil duct and a motor bearing along a first direction, the motor bearing is communicated with the distribution structure, and the motor bearing is positioned on one side of the distribution structure; the speed reducing assembly is configured in the accommodating cavity and connected with the motor assembly, the speed reducing assembly is provided with a second oil duct and a speed reducing bearing, the speed reducing assembly is provided with an oil injection port, the oil injection port is respectively communicated with the second oil duct and the distribution structure, the second oil duct is communicated with the first oil duct, the speed reducing bearing is communicated with the distribution structure, and the speed reducing bearing is positioned on the other side of the distribution structure. The oil is uniformly distributed, the risk of failure of the motor bearing and the speed reduction bearing is reduced, and the loss of hydraulic energy consumption can be reduced.
Description
Technical Field
The utility model relates to the technical field of electric drive, in particular to an electric drive system and a vehicle.
Background
With the increasing exhaustion of fossil energy and the increasing increase of environmental pollution, electric automobiles are increasingly favored by users. The electric drive system is a core component of the electric automobile, is an integral body which is formed by combining a plurality of components and can work uniformly, and comprises a drive motor, a motor controller, a transmission, an air compressor, a water pump, a high-voltage junction box, a whole vehicle controller, a vehicle-mounted charger, a direct current converter and the like.
In the related art, the electric drive system has the advantages of high rotating speed and high efficiency, but in the traditional structural design, the accurate lubrication flow distribution of the cooling and lubricating system cannot be provided, so that the flow distribution is uneven, and the phenomena of bearing failure and serious hydraulic energy consumption loss occur.
Disclosure of Invention
The utility model aims to provide an electric drive system and a vehicle, which can realize uniform flow distribution and reduce the risk of bearing failure and hydraulic energy consumption loss.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, the present utility model provides an electric drive system comprising: an electrically driven housing configured with a receiving cavity and a dispensing structure; the motor assembly is configured in the accommodating cavity, a first oil duct and a motor bearing are configured in the motor assembly along a first direction, the motor bearing is communicated with the distribution structure, and the motor bearing is positioned on one side of the distribution structure; the speed reduction assembly is configured in the accommodating cavity, the speed reduction assembly is connected with the motor assembly, the speed reduction assembly is provided with a second oil duct and a speed reduction bearing, the speed reduction assembly is provided with an oil injection port, the oil injection port is respectively communicated with the second oil duct and the distribution structure, the second oil duct is communicated with the first oil duct, the speed reduction bearing is communicated with the distribution structure, and the speed reduction bearing is positioned on the other side of the distribution structure.
In the implementation process, the electric drive shell is provided with the distribution structure, the motor assembly is connected with the speed reduction assembly, the motor assembly and the speed reduction assembly are arranged in the accommodating cavity, the motor bearing and the speed reduction bearing are connected with the electric drive shell, the distribution structure is arranged between the speed reduction assembly and the motor bearing, the oil injection port of the speed reduction assembly is communicated with the distribution structure, when oil enters the oil injection port through the second oil duct, the motor assembly drives the speed reduction assembly to rotate, the rotating speed reduction assembly throws the oil from the oil injection port to the distribution structure, and the oil flows to the motor bearing and the speed reduction bearing according to a certain proportion under the action of the distribution structure, so that uniform distribution of the oil is realized, the failure risk of the motor bearing and the speed reduction bearing is reduced, and the loss of hydraulic energy consumption is also reduced.
In some embodiments, the electric drive housing is configured with a cavity configured with the dispensing structure, and one side of the cavity is configured with the motor bearing and the other side is configured with the reduction bearing.
In the process of the realization, the cavity of the electric drive shell is provided with the distribution structure, so that oil liquid is thrown to the cavity through the rotating speed reduction assembly and then flows to the distribution structure, and through the distribution of the oil liquid, the oil liquid can flow to the motor bearing and the speed reduction bearing respectively according to a certain proportion, thereby realizing lubrication of the motor bearing and the speed reduction bearing, reducing the risk of failure of the motor bearing and the speed reduction bearing and also reducing the loss of hydraulic energy consumption.
In some embodiments, the cavity is configured as a ring. Through configuring the cavity as annular for the deceleration assembly is in rotatory in-process, is favorable to getting rid of fluid to the different positions of cavity, and then is favorable to reducing motor bearing and the risk that deceleration bearing became invalid, also can reduce the loss of hydraulic energy consumption.
In some embodiments, the dispensing structure comprises a socket. The distribution structure is configured into the tooth grooves, so that oil liquid can flow to the speed reduction bearing and the motor bearing according to a certain proportion, and the lubricating requirements of the speed reduction bearing and the motor bearing are met.
In some embodiments, the electrically driven housing is configured with a housing oil passage that is in communication with the second oil passage.
In some embodiments, the electric drive housing is further configured with a protrusion, at least a portion of the protrusion is configured inside the reduction assembly, the housing oil passage includes a first passage and a second passage, the first passage is in communication with the second passage, the first passage is configured in the electric drive housing, the second passage is configured inside the protrusion, and the second passage is in communication with the second oil passage.
In the process of the realization, the convex part of the electric drive shell is matched with the input shaft, the electric drive shell is provided with the first channel, the convex part is provided with the second channel communicated with the first channel, the second channel is communicated with the second oil duct, the circulation of oil is facilitated, when the oil flows, the oil sequentially passes through the first channel, the second channel and the second oil duct, and then the oil is thrown to the liquid separation structure under the rotation action of the speed reduction assembly, so that the oil is distributed to the speed reduction bearing and the motor bearing according to a certain proportion, and different oil quantity requirements of the speed reduction bearing and the motor bearing are met.
In some embodiments, the speed reduction assembly is further configured with an input shaft, the second oil passage is configured inside the input shaft, and the speed reduction bearing is sleeved on the outer edge of the input shaft. Through configuration second oil duct in the inside of input shaft for when fluid passes through the second oil duct, can realize the cooling to the input shaft, reduce fluid flow resistance, reduce hydraulic pressure energy consumption loss.
In some embodiments, the speed reduction bearing comprises a first bearing and a second bearing, the first bearing is disposed on one side of the input shaft, the second bearing is disposed on the other side of the input shaft, and the distribution structure is disposed between the second bearing and the motor bearing.
In some embodiments, the motor assembly further comprises a motor shaft, the motor shaft is sleeved on the input shaft, the first oil duct is configured in the motor shaft, and the motor bearing is sleeved on the outer edge of the motor shaft.
In a second aspect, the utility model also provides a vehicle comprising an electric drive system as claimed in any one of the preceding claims.
An embodiment of the second aspect of the present utility model provides a vehicle, which includes the electric driving system described in the first aspect, so that all technical effects of the foregoing embodiments are achieved, and will not be described herein.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for the users of the art.
FIG. 1 is a schematic diagram of an electric drive system according to an embodiment of the present disclosure;
fig. 2 is a schematic structural view of a distribution structure of an electric drive system according to an embodiment of the present utility model.
Reference numerals
100. An electric drive housing; 101. a dispensing structure; 102. a first channel; 103. a second channel; 200. a motor assembly; 201. a motor bearing; 202. a first oil passage; 203. a motor shaft; 300. a deceleration assembly; 301. a second oil passage; 302. a speed reducing bearing; 303. an oil spraying port; 304. an input shaft.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. Based on the embodiments of the present utility model, all other embodiments that a user of ordinary skill in the art could achieve without inventive effort are within the scope of the present utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, or that an article of manufacture of the solution is conventionally put in place, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its 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 utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be conduction inside two elements. The specific meaning of the above terms in the present utility model can be understood in specific cases for users of ordinary skill in the art.
Examples
The electric driving force system has the advantages of high rotating speed and high efficiency, the traditional splash lubrication structure has larger oil stirring loss, and in order to solve the problem, the design method capable of providing accurate lubrication flow distribution of the cooling lubrication system is important, but the common forced cooling lubrication system is limited by reasons such as flow change, oil temperature change, pipeline resistance change and the like, and has the defects of uneven distribution on the flow distribution, incapability of being sprayed in place under the condition of low flow of the forced spraying system and the like.
In view of this, as shown in fig. 1-2, the present utility model provides, in a first aspect, an electric drive system comprising: the motor assembly 200 and the speed reduction assembly 300 are connected to the electric drive housing 100, and the motor assembly 200 is connected to the speed reduction assembly 300, so that the motor drives the speed reduction assembly 300 to rotate, and oil in the speed reduction assembly 300 can be thrown to the outer side of the speed reduction assembly 300, so as to lubricate and cool the speed reduction bearing 302 of the speed reduction assembly 300 and the motor bearing 201 of the motor assembly 200.
Specifically, an electric drive housing 100 provided with a receiving chamber and a dispensing structure 101; a motor assembly 200 disposed in the accommodating cavity, wherein the motor assembly 200 is provided with a first oil duct 202 and a motor bearing 201 along a first direction, the motor bearing 201 is in communication with the distribution structure 101, and the motor bearing 201 is located at one side of the distribution structure 101; the speed reduction assembly 300 is configured in the accommodating cavity, the speed reduction assembly 300 is connected with the motor assembly 200, the speed reduction assembly is provided with a second oil duct 301 and a speed reduction bearing 302, the speed reduction assembly is provided with an oil injection port 303, the oil injection port 303 is respectively communicated with the second oil duct 301 and the distribution structure 101, the second oil duct 301 is communicated with the first oil duct 202, the speed reduction bearing 302 is communicated with the distribution structure 101, and the speed reduction bearing 302 is positioned on the other side of the distribution structure 101.
In the present utility model, the speed reducing assembly 300 is provided with an oil injection hole, the oil injection hole is provided with the oil injection hole 303, the oil injection hole can be located between the speed reducing bearing 302 and the motor bearing 201, for example, the oil injection hole is vertical, or can be in other distribution forms, when the electric driving system moves, the active lubrication system sends oil from the electric driving housing 100 to the second oil duct 301, the oil reaches the oil injection hole and flows to the oil injection hole 303, the rotating speed reducing assembly 300 throws the oil from the oil injection hole 303 between the speed reducing bearing 302 and the motor bearing 201, and then flows to the speed reducing bearing 302 and the motor bearing 201 respectively according to a certain proportion under the action of the distribution structure 101, so that the lubrication requirements of the speed reducing bearing 302 and the motor bearing 201 are met respectively.
When the sizes of the speed reducing bearing 302 and the motor bearing 201 are changed, the oil demand of the speed reducing bearing 302 and the motor bearing 201 will be changed, and the oil quantity entering the distribution structure 101 can be adjusted by adjusting the diameter of the oil spraying hole, so as to meet the oil-free demand of the speed reducing bearing 302 and the motor bearing 201.
In the implementation process, the electric drive shell 100 is provided with the distribution structure 101, the motor assembly 200 is connected with the speed reduction assembly 300, the motor assembly 200 and the speed reduction assembly 300 are both arranged in the accommodating cavity, the motor bearing 201 and the speed reduction bearing 302 are both connected with the electric drive shell 100, the distribution structure 101 is positioned between the speed reduction assembly 300 and the motor bearing 201, the oil injection port 303 of the speed reduction assembly 300 is communicated with the distribution structure 101, when oil enters the oil injection port 303 through the second oil duct 301, the motor assembly 200 drives the speed reduction assembly 300 to rotate, the rotating speed reduction assembly 300 throws the oil from the oil injection port 303 to the distribution structure 101, and the oil flows to the motor bearing 201 and the speed reduction bearing 302 according to a certain proportion under the action of the distribution structure 101, so that the oil is uniformly distributed, the failure risk of the motor bearing 201 and the speed reduction bearing 302 is reduced, and the loss of hydraulic energy can be reduced.
Referring to fig. 1 again, the electric drive housing 100 is provided with a cavity, the distribution structure 101 is provided in the cavity, the motor bearing 201 is provided on one side of the cavity, and the speed reduction bearing 302 is provided on the other side of the cavity.
In the implementation process, the cavity of the electric drive housing 100 is provided with the distribution structure 101, so that the oil is thrown to the cavity through the rotating speed reduction assembly 300, then flows to the distribution structure 101, and after being distributed, the oil can flow to the motor bearing 201 and the speed reduction bearing 302 according to a certain proportion, so that lubrication of the motor bearing 201 and the speed reduction bearing 302 is realized, the risk of failure of the motor bearing 201 and the speed reduction bearing 302 is reduced, and the loss of hydraulic energy consumption is also reduced.
In some embodiments, the cavity is configured as a ring. By configuring the cavity as a ring, the speed reduction assembly 300 is beneficial to throwing oil to different positions of the cavity during rotation, thereby being beneficial to reducing the risk of failure of the motor bearing 201 and the speed reduction bearing 302 and reducing the loss of hydraulic energy consumption.
As shown in fig. 2, the dispensing structure 101 includes a socket. By configuring the distribution structure 101 as a socket, oil is facilitated to flow to the reduction bearing 302 and the motor bearing 201 respectively according to a certain proportion, thereby meeting the lubrication requirements of the reduction bearing 302 and the motor bearing 201.
In some embodiments, the electric drive housing 100 is configured with a housing oil passage that is in communication with the second oil passage 301. The electric drive housing 100 further includes a protrusion, at least a part of the protrusion is disposed in the input shaft 304, the housing oil passage includes a first passage 102 and a second passage 103, the first passage 102 is in communication with the second passage 103, the first passage 102 is disposed in the electric drive housing 100, the second passage 103 is disposed in the protrusion, and the second passage 103 is in communication with the second oil passage 301.
In the implementation process, the protruding portion of the electric drive housing 100 is adapted to the input shaft 304, the electric drive housing 100 is configured with the first channel 102, the protruding portion is configured with the second channel 103 communicated with the first channel 102, the second channel 103 is communicated with the second oil duct 301, circulation of oil is facilitated, when the oil flows, the oil sequentially passes through the first channel 102, the second channel 103 and the second oil duct 301, and then is thrown to a liquid separation structure under the rotation action of the speed reduction assembly 300, so that the oil is distributed to the speed reduction bearing 302 and the motor bearing 201 according to a certain proportion, and different oil quantity requirements of the speed reduction bearing 302 and the motor bearing 201 are met.
In some embodiments, the speed reduction assembly 300 is further provided with an input shaft 304, the second oil passage 301 (on the one hand, for reducing weight and on the other hand, for conveying oil) is provided in the input shaft 304, and the outer edge of the input shaft 304 is sleeved with the speed reduction bearing 302. By disposing the second oil passage 301 inside the input shaft 304, when the oil passes through the second oil passage 301, cooling of the input shaft 304 can be achieved, flow resistance of the oil can be reduced, and hydraulic energy consumption can be reduced.
In some embodiments, the speed reduction bearing 302 includes a first bearing and a second bearing, the first bearing is disposed on one side of the input shaft 304, the second bearing is disposed on the other side of the input shaft 304, and the distribution structure 101 is disposed between the second bearing and the motor bearing 201.
In some embodiments, the motor assembly 200 further includes a motor shaft 203, the motor shaft 203 is sleeved on the input shaft 304, for example, is connected by a spline, the first oil duct 202 (which is beneficial to weight reduction on one hand and can be used for conveying oil on the other hand) is configured in the motor shaft 203, and the motor bearing 201 is sleeved on the outer edge of the motor shaft 203.
In a second aspect, the utility model also provides a vehicle comprising an electric drive system as described above. The vehicle can be a pure electric vehicle, a hybrid electric vehicle or an extended range vehicle.
An embodiment of the second aspect of the present utility model provides a vehicle, which includes the electric driving system described in the first aspect, so that all technical effects of the foregoing embodiments are achieved, and will not be described herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. An electric drive system, comprising:
an electrically driven housing configured with a receiving cavity and a dispensing structure;
the motor assembly is configured in the accommodating cavity, a first oil duct and a motor bearing are configured in the motor assembly along a first direction, the motor bearing is communicated with the distribution structure, and the motor bearing is positioned on one side of the distribution structure;
the speed reduction assembly is configured in the accommodating cavity, the speed reduction assembly is connected with the motor assembly, the speed reduction assembly is provided with a second oil duct and a speed reduction bearing, the speed reduction assembly is provided with an oil injection port, the oil injection port is respectively communicated with the second oil duct and the distribution structure, the second oil duct is communicated with the first oil duct, the speed reduction bearing is communicated with the distribution structure, and the speed reduction bearing is positioned on the other side of the distribution structure.
2. An electric drive system according to claim 1, characterized in that the electric drive housing is provided with a cavity provided with the distribution structure, and that one side of the cavity is provided with the motor bearing and the other side is provided with the reduction bearing.
3. The electric drive system of claim 2, wherein the cavity is configured as a ring.
4. The electric drive system of claim 1, wherein the dispensing structure comprises a socket.
5. The electric drive system of claim 1 wherein the electric drive housing is configured with a housing oil gallery in communication with the second oil gallery.
6. The electric drive system of claim 5, wherein the electric drive housing is further configured with a boss, at least a portion of the boss is configured inside the reduction assembly, the housing oil passage includes a first passage and a second passage, the first passage is in communication with the second passage, the first passage is configured in the electric drive housing, the second passage is configured inside the boss, and the second passage is in communication with the second oil passage.
7. The electric drive system of claim 1, wherein the reduction assembly is further configured with an input shaft, the second oil passage is configured inside the input shaft, and the reduction bearing is sleeved on an outer edge of the input shaft.
8. The electric drive system of claim 7, wherein the reduction bearing comprises a first bearing and a second bearing, the first bearing being disposed on one side of the input shaft, the second bearing being disposed on the other side of the input shaft, and the distribution structure being disposed between the second bearing and the motor bearing.
9. The electric drive system of claim 7, wherein the motor assembly further comprises a motor shaft, the motor shaft is journalled in the input shaft, the first oil passage is disposed in the motor shaft, and the motor bearing is journalled in an outer edge of the motor shaft.
10. A vehicle comprising an electric drive system according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321956031.5U CN220185757U (en) | 2023-07-24 | 2023-07-24 | Electric drive system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321956031.5U CN220185757U (en) | 2023-07-24 | 2023-07-24 | Electric drive system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185757U true CN220185757U (en) | 2023-12-15 |
Family
ID=89109326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321956031.5U Active CN220185757U (en) | 2023-07-24 | 2023-07-24 | Electric drive system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185757U (en) |
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2023
- 2023-07-24 CN CN202321956031.5U patent/CN220185757U/en active Active
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