CN207889512U - Power drive system and the automobile for including the power drive system - Google Patents
Power drive system and the automobile for including the power drive system Download PDFInfo
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- CN207889512U CN207889512U CN201721311134.0U CN201721311134U CN207889512U CN 207889512 U CN207889512 U CN 207889512U CN 201721311134 U CN201721311134 U CN 201721311134U CN 207889512 U CN207889512 U CN 207889512U
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- motor
- machine controller
- electric machine
- drive system
- power drive
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- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000005611 electricity Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 239000002826 coolant Substances 0.000 abstract description 19
- 238000001816 cooling Methods 0.000 description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 241000736199 Paeonia Species 0.000 description 2
- 235000006484 Paeonia officinalis Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Abstract
This application involves a kind of power drive system and a kind of automobiles including the power drive system.The power drive system includes motor, electric machine controller and the radiating element between the motor and the electric machine controller, the second space that the radiating element includes at least the first space and separated with the first space, wherein, the projecting terminal I of the motor and the projecting terminal II of electric machine controller are electrically connected in first space, it is provided with runner in the second space, so that coolant liquid is conveyed by the runner between the electric machine controller motor.The application has improved overcurrent and power capability.
Description
Technical field
This application involves a kind of power drive system and a kind of automobiles including the power drive system.
Background technology
Motor driven systems include converters and corresponding controller.Converters are by solid-state device
Part forms, and main function is that big energy is passed to input end of motor from power supply.Controller is usually by microcontroller or number
Signal processor and relevant small signal electron circuit composition, main function are processing information and generate power converter partly
Switching signal needed for conductor switching device.
Now between motor and electric machine controller by high-voltage wiring harness carry out be electrically connected and using water pipe the two it
Between constitute both cooling system, harness link cost is higher, and harness temperature ceiling power drive system overcurrent capability, separately
Outer water pipe is big compared with long and occupied space.
Utility model content
The application technical problems to be solved are to provide a kind of power drive system, to overcome above-mentioned of the existing technology ask
Topic.
This application involves one side be to provide power drive system, including motor, electric machine controller and positioned at described
Radiating element between motor and the electric machine controller, the radiating element include at least the first space and with the first space every
The second space opened, wherein the projecting terminal I of the motor and the projecting terminal II of electric machine controller are in first space
Electrical connection is provided with runner in the second space, so as to coolant liquid by the runner in the electric machine controller and electricity
It is conveyed between machine.
Wherein, in the power drive system, first space is provided with first entrance so as to the electricity towards motor
The projecting terminal I of machine via first entrance enter first space, and towards electric machine controller be provided with second entrance so as to
The projecting terminal II of electric machine controller enters first space via the second entrance, and the projecting terminal I is stretched with described
Go out terminal II to be electrically connected in first space, the second space is provided with the runner mouth communicated with runner towards motor
I and the runner mouth II communicated with runner is provided with towards electric machine controller.
Wherein, in the power drive system, the motor and the electric machine controller are arranged in the radiating element
Opposite sides.
Wherein, in the power drive system, the gearbox being connect with the motor and the electric machine controller is located at institute
It states between motor and the electric machine controller, the radiating element is fixed on the gearbox.
Wherein, in the power drive system, the runner mouth II towards electric machine controller setting is adjacent with second entrance, face
The runner mouth I being arranged to motor is adjacent with first entrance.
Wherein, in the power drive system, the water channel is connected in the motor with the terminal of the electric machine controller
Place lower section bending arrangement, to increase film-cooled heat of the runner to the terminal.
Wherein, in the power drive system, the terminal of the motor or electric machine controller is for the motor or institute
Multiple bus-bars of the multiphase electrical connection of electric machine controller are stated, the terminal of the terminal of the motor and the electric machine controller exists
The inside of the radiating element is correspondingly connected.
Wherein, in the power drive system, the radiating element includes the insulation spacer of heat conduction, described to lead heat insulation
Gasket is arranged between the terminal of the motor and electric machine controller and the runner.
Further aspect of the application is to provide a kind of automobile, and the automobile includes the electricity of any one of the above embodiment
Drive system, the power drive system is arranged in before the automobile, below or front and back.
Inside the radiating element of the application, it is divided into the working space separated, the stretching of motor for different purposes
The projecting terminal II of terminal I and electric machine controller is electrically connected in the first space.There are runner, coolant liquid to pass through in second space
Runner conveys between electric machine controller and motor.
The terminal of motor and electric machine controller is connected by first entrance and second entrance in the first space, motor control
The cooling system of device and the cooling system of motor are logical via the runner mouth II towards the electric machine controller and runner mouth I towards motor
Cross runner connection.The heat generated to terminal connection using runner is radiated, and terminal temperature is reduced, and promotes power drive system
Overcurrent and power capability.
Power drive system is integrated electric drive system, is integrated with motor, electric machine controller and gearbox.Radiating element
Inside had both realized the electrical connection of motor and electric machine controller without extra harness, and realized motor and motor control
The cooling system of device processed is integrated with vehicle cooling system, is connected compared with original water pipe, and runner arrangement can shorten length
With saving space.
Each entrance of the radiating element of the application is that sealing is docked with motor or electric machine controller, the radiator of the application
Part is spatially masked by these by cover board, ensure that electrical connection properties and cooling capacity.
Through the following detailed description with reference to the accompanying drawings, other aspect and feature of the application become apparent.But it should know
Road, which is only the purpose design explained, not as the restriction of scope of the present application, this is because it should refer to
Appended claims.It should also be noted that attached drawing is merely intended to conceptually illustrate structure and flow described herein, unless in addition
It points out, it is not necessary to scale attached drawing.
Description of the drawings
In conjunction with attached drawing refering to the detailed description of detailed description below, the application will be more fully appreciated, in attached drawing
Same reference numbers refer to same element in view always.Wherein：
Fig. 1 be this application involves power drive system a kind of embodiment front view；
Fig. 2 is the stereogram of the power drive system in Fig. 1；
Fig. 3 be this application involves power drive system radiating element a kind of embodiment schematic diagram, which is vertical
Body figure；
Fig. 4 shows the internal structure after the cover board removing of the radiating element in Fig. 3 at a surface thereof；And
Fig. 5 shows the internal structure after cover board removing of the radiating element in Fig. 3 on its another side.
Specific implementation mode
For help those skilled in the art can definitely understand this application claims theme, below in conjunction with the accompanying drawings
The specific implementation mode of the application is described in detail.
Fig. 1 and Fig. 2 be respectively this application involves power drive system front view and stereogram.As shown, electric drive
System includes motor 1, electric machine controller 2 and the radiating element 3 between motor 1 and electric machine controller 2.Motor 1 and electricity
The mutual electrical connection of realization in radiating element 3 of machine controller 2, and the cooling of the cooling system of motor 1 and electric machine controller 2
System is connected via radiating element 3.Meanwhile using the cooling effect of radiating element 3, to the electricity by motor 1 and electric machine controller 2
The heat spreader that gas connection generates.
The example according to the present utility model, which is integrated electric drive system, in addition to motor 1 and motor
Controller 2 is also integrated with gearbox 4.Herein, motor 1, electric machine controller 2 and gearbox 4 are respectively independent and separate
Packaging body, three by mechanical connection fit together.The input shaft of motor 1 or the input for exporting axis direction and gearbox 4
Axis or output shaft（Output shaft is shown in 41）It is parallel.This arrangement is extremely compact and integrated is easily installed on vehicle.Electricity
Mechanical connection between machine 1, electric machine controller 2 and gearbox 4 can be：The end face of motor 1 passes through flange connection surface and speed change
The end face connection towards motor side of case 4, the end face of electric machine controller 2 is by flange connection surface and gearbox 4 towards motor
The end face of controller side connects.
Radiating element 3, which is for example bolted, to be fixed on gearbox 4.Between radiating element 3 and motor 1 and radiate
It is sealingly coupled with each other between device 3 and electric machine controller 2.
Fig. 3-5 is the structural schematic diagram of radiating element.In conjunction with these attached drawings, radiating element 3 includes at least the first space（Not
Mark）With the second space separated with the first space（It does not indicate）, the stretching of the projecting terminal I11 and electric machine controller 2 of motor 1
Terminal II 21 is electrically connected in the first space, and runner 35 is provided in second space, so as to coolant liquid by runner 35 in electricity
It is conveyed between machine controller 2 and motor 1.
Referring to Fig. 4 and Fig. 5, example according to the present utility model, the first space is provided with first entrance 31 towards motor 1,
Electric machine controller 2 is provided with second entrance 32.Second space towards motor 1 is provided with runner mouth I34 and towards motor control
Device 2 processed is provided with runner mouth II33, in specific example hereafter, runner mouth I34 is known as first outlet 34 and by runner mouth
II33 is known as third entrance 33.
The projecting terminal I11 of the motor 1 and projecting terminal II21 of electric machine controller 2 is respectively via first entrance 31, second
Entrance 32 enters radiating element 3 and is connected in the first space.The inside of radiating element 3 is additionally provided with the stream in second space
Road 35, runner 35 are connect with third entrance 33 and first outlet 34（Such as Fig. 5）So that liquid can enter from third entrance 33
To runner 35 and and then from the outflow of first outlet 34, thus coolant liquid is conveyed between electric machine controller 2 and motor 1.Come from
The coolant liquid of the cooling system of electric machine controller 2 enters via third entrance 33 in the runner 35 of radiating element 3, and via first
Leave cooling system of the runner 35 hence into motor 1 in outlet 34.Coolant liquid can be the mixture of water or water and ethylene glycol.It needs
It is noted that the slave electric machine controller of the application flows into radiating element, the flow path for the coolant liquid for flowing into motor again is that vehicle is cold
But the part in circuit.In the operating condition, coolant liquid flows in one direction, i.e., coolant liquid flows to electricity from electric machine controller
Machine.In a non-operative state, coolant liquid rests in each cooling system and runner.It is unrestricted according to the utility model signal
Property example, coolant liquid initially enters electric machine controller and carried out to it cooling and then enter motor 1 via radiating element 3 again,
Such flow path so that coolant liquid electric machine controller cooling first when temperature is lower, this is very beneficial in electric machine controller
The cooling of some electronic components more sensitive to heat.
In the example, first entrance 31 be cover 1 all terminals 11 of motor communications ports, can allow multiple terminals via
A port enters in radiating element 3, and second entrance 32 is to cover the communications ports of 2 all terminals 21 of electric machine controller, is allowed
Multiple terminals enter via a port in radiating element 3.The terminal 11,21 of motor 1 and electric machine controller 2 can be multiple remittances
Stream row, is also referred to as copper bar.In the illustrated embodiment, communications ports are the flat length opened up in the both sides of radiating element
Hole, each port accommodate three copper bars and pass through.Certainly, copper bar quantity is not limited to three, can be more or less than three.Copper bar number
The terminal 11,21 of phase line number of the amount depending on motor, motor 1 and electric machine controller 2 is arranged to accordingly to be connected in radiating element 3
It connects.In addition, it is necessary to explanation, in the utility model example, first entrance 31 is to receive simultaneously respectively with second entrance 32
Multiple connecting terminals, in other examples, first entrance 31 and second entrance 32 may include multiple entrances respectively, such as corresponding
One connecting terminal, one entrance etc.；Similarly, as optional example, the first space can be further segmented as multiple small skies
Between, each small space can accommodate one or more terminals.
Fig. 4 is returned to, third entrance 33 is the circular hole adjacent to second entrance 32, and first outlet 34 is adjacent to first entrance
31 circular hole.First entrance 31, first outlet 34 are docked with the terminal port of motor 11 and cooling system port respectively, and second enters
Mouth 32, third entrance 33 are docked with the terminal port of electric machine controller 2 and cooling system port respectively.In the upper of radiating element 3
It states and has been equipped with the sealing strip 5 approximately along hole shape on entrance to be docked with motor 1, electric machine controller 2, to realize gas
Body seals and Fluid Sealing.It is recognised that first entrance may be not necessarily provided at motor side, they can be arranged in motor control
Device side processed.First outlet be also not necessarily intended to be arranged to first entrance homonymy, they can be provided separately.Similarly, for
Two entrances, third entrance are also such.It should also be noted that, each entrance, the shape respectively exported are to match referred in this
The shape for the terminal port to be connected therewith is closed, in practical applications, their shape is not with described here for limitation.
Come from the terminal 11,21 of motor 1 and electric machine controller 2 to each other be electrically connected to the first empty of radiator 3
Interior realization, and coolant liquid is passed through in the runner 35 positioned at second space.As it can be seen that being not necessarily to other harness or water pipe, this Shen
Radiating element 3 please is realized to motor 1 and the electrical connection of electric machine controller 2 and the connection of cooling system, and due to first
Space is separated with second space（The relationship of the first space and second space is described further below）, so that electrical connection
Not by any influence of coolant liquid.Meanwhile the arranged beneath coolant liquid because corresponding in second space terminal junction
Runner also enables coolant liquid to radiate terminal junction.
Radiating element 3 is case structure.The case structure includes shell 36, by separator inside shell 36（It is not shown）Point
Connect at the first space being electrically connected for motor 1 and electric machine controller 2 and for motor 1 and 2 cooling system of electric machine controller
The second space connect.The first space is illustrated in Fig. 4, Fig. 5 is to turn the radiating element of Fig. 4 around, illustrates second space.Point
Spacing body can be individual or be integrated with shell.The terminal 11,21 of motor 1 and electric machine controller 2 enters via first
Mouth 31, second entrance 32 enter the first space and connect.In the illustrated embodiment, copper bar end is designed with connecting hole, comes from
The copper bar of motor and the copper bar from electric machine controller are by the way that connecting hole to be aligned, then screw on screw 6, realize copper bar connection.
Runner 35 is arranged in second space and is passed through from 11,21 lower section of terminal.In order to increase film-cooled heat, the road of runner 35
Diameter concentrates on terminal 11,21 and connects the larger place of the heat generated as far as possible.As shown in Figure 5, runner 35 connects in both sides terminal
The arranged beneath in the place connect is crossed along the directions x1 as shown in the figure below terminal at bending path, coolant liquid, then is transferred along figure
Show that opposite direction x2 crosses return below terminal, which increases the areas cooled down to terminal.
Arrange insulation spacer 7 to avoid conduction between terminal 11,21 and unshowned separator.The insulation spacer 7 is also
It is heat conduction, is conducive to play the coolant liquid heat dissipation effect in runner in this way.Collets 8 are added in the place of terminal connection, are used
It is compressed in by terminal and gasket.
Radiating element 3 further includes cover board 91,92, there are the first mounting hole 37 on the shell 36 of radiating element, passes through bolt
Or the first cover board 91 is installed on radiating element 3 by screw, covers the first space.Second cover board 92 masking second space, second
The installation principle of cover board 92 is identical as the first cover board 91.
It is additionally provided with the second mounting hole 38 on 36 outside of shell of radiating element, is used for the company of radiating element 3 and gearbox 4
It connects.
Return to Fig. 1 and Fig. 2, be described below this application involves power drive system installation process.First, in a pre-installation,
Second cover board 92 can be installed on radiating element 3, to cover second space.Then, by the second mounting hole by radiator
Part 3 is fixed together with gearbox 4, then motor 1 is fixed to by installing end face on the motor side of gearbox 4.Pacify in motor 1
After loading onto, the terminal of motor 1 is entered by first entrance inside radiating element 3, and the input duct of the cooling system of motor 1 is logical
First outlet is crossed to dock and seal with the realization of the runner of radiating element 3.Electric machine controller 2 is become by installing end face and being fixed to again
On the other side of fast case 4, the terminal of electric machine controller 2 is entered by second entrance inside radiating element 3, electric machine controller 2
Delivery channel dock and seal by the runner realization of third entrance and radiating element 3.Felt pad has been arranged in radiating element 3
Piece.Terminal and gasket are compressed by collets.The alignment of the terminal of the terminal of motor 1 and electric machine controller 2, screw is by the two
Terminal links together.Finally the first cover board 91 is installed to by the first mounting hole 37 on radiating element 3, it is empty with masking first
Between.
Depending on the type of drive of automobile, particularly electric vehicle, after two drives or 4 wheel driven or front-wheel drive still
Wheel drive, this application involves power drive system can be arranged in Chinese herbaceous peony, Che Hou or Chinese herbaceous peony after.
Although being illustrated in detail in and having described the specific embodiment of the application to illustrate the principle of the application, it should be understood that
, the application can be with embodied in other without departing from such principle.
Claims (9)
1. a kind of power drive system, characterized in that the power drive system includes motor（1）, electric machine controller（2）And it is located at
The motor（1）With the electric machine controller（2）Between radiating element（3）, the radiating element（3）Including at least the first sky
Between and the second space that is separated with the first space, wherein the motor（1）Projecting terminal I（11）With electric machine controller（2）'s
Projecting terminal II（21）It is electrically connected in first space, runner is provided in the second space（35）, to cool down
Liquid passes through the runner（35）In the electric machine controller（2）And motor（1）Between convey.
2. power drive system according to claim 1, characterized in that first space is towards motor（1）It is provided with
One entrance（31）So as to the motor（1）Projecting terminal I（11）Via first entrance（31）Into first space, and face
To electric machine controller（2）It is provided with second entrance（32）So as to electric machine controller（2）Projecting terminal II（21）Via described
Two entrances（32）Into first space, the projecting terminal I（11）With the projecting terminal II（21）It is empty described first
Interior electrical connection, the second space is towards motor（1）It is provided with and runner（35）The runner mouth I communicated（34）And towards electricity
Machine controller（2）It is provided with and runner（35）The runner mouth II communicated（33）.
3. power drive system according to claim 1, it is characterized in that：The motor（1）With the electric machine controller（2）Cloth
It is placed in the radiating element（3）Opposite sides.
4. power drive system according to claim 3, it is characterized in that：With the motor（1）With the electric machine controller（2）
The gearbox of connection（4）Positioned at the motor（1）With the electric machine controller（2）Between, the radiating element（3）It is fixed on institute
State gearbox（4）On.
5. power drive system according to claim 4, it is characterized in that：Towards electric machine controller（2）The runner mouth II of setting
（33）With second entrance（32）It is adjacent, towards motor（1）The runner mouth I of setting（34）With first entrance（31）It is adjacent.
6. the power drive system according to any one of claim 1 to 5, it is characterized in that：The runner (35) is described
Bending arrangement below the region of projecting terminal I, II (11,21) of motor and the electric machine controller connections, to increase the stream
Road（35）To the film-cooled heat of (11,21) described projecting terminal I, II.
7. power drive system according to claim 6, it is characterized in that：The projecting terminal I of the motor or electric machine controller,
II（11、21）For the multiple bus-bars connected for the multiphase phase line of the motor or the electric machine controller, the motor
Projecting terminal I（11）With the projecting terminal II of the electric machine controller（21）In the radiating element（3）Inside accordingly connect
It connects.
8. power drive system according to claim 6, it is characterized in that：The radiating element（3）Felt pad including heat conduction
Piece（7）, the insulation spacer of the heat conduction（7）It is arranged in projecting terminal I, II of the motor and electric machine controller（11、21）With
The runner（35）Between.
9. a kind of automobile, it is characterized in that：The automobile includes the power drive system according to any one of claim 1-8,
The power drive system is arranged in before the automobile, below or front and back.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721311134.0U CN207889512U (en) | 2017-10-12 | 2017-10-12 | Power drive system and the automobile for including the power drive system |
| TW107213763U TWM575775U (en) | 2017-10-12 | 2018-10-11 | Electric drive system and automobile comprising the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721311134.0U CN207889512U (en) | 2017-10-12 | 2017-10-12 | Power drive system and the automobile for including the power drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207889512U true CN207889512U (en) | 2018-09-21 |
Family
ID=63546987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721311134.0U Active CN207889512U (en) | 2017-10-12 | 2017-10-12 | Power drive system and the automobile for including the power drive system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207889512U (en) |
| TW (1) | TWM575775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569125A (en) * | 2017-10-12 | 2018-09-25 | 蔚来汽车有限公司 | Power drive system and the automobile for including the power drive system |
-
2017
- 2017-10-12 CN CN201721311134.0U patent/CN207889512U/en active Active
-
2018
- 2018-10-11 TW TW107213763U patent/TWM575775U/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569125A (en) * | 2017-10-12 | 2018-09-25 | 蔚来汽车有限公司 | Power drive system and the automobile for including the power drive system |
| WO2019072209A1 (en) * | 2017-10-12 | 2019-04-18 | 蔚来汽车有限公司 | Electric driving system and vehicle comprising electric driving system |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM575775U (en) | 2019-03-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200803 Address after: Susong Road West and Shenzhen Road North, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Weilai (Anhui) Holding Co., Ltd Address before: Room 502, Minsheng Bank Building, 12 Cecil Harcourt Road, central, Hongkong, China Patentee before: NIO NEXTEV Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Susong Road West and Shenzhen Road North, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Weilai Holding Co., Ltd Address before: 230601 Susong Road West and Shenzhen Road North, Hefei Economic and Technological Development Zone, Anhui Province Patentee before: Weilai (Anhui) Holding Co., Ltd |