CN209329892U - A kind of used in new energy vehicles oil-cooled motor system - Google Patents
A kind of used in new energy vehicles oil-cooled motor system Download PDFInfo
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- CN209329892U CN209329892U CN201920086411.5U CN201920086411U CN209329892U CN 209329892 U CN209329892 U CN 209329892U CN 201920086411 U CN201920086411 U CN 201920086411U CN 209329892 U CN209329892 U CN 209329892U
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Abstract
The utility model provides a kind of used in new energy vehicles oil-cooled motor system, including motor assembly and inverter assembly.The motor assembly is arranged in radially above in the inverter assembly, and the shell of electronic component and electronic assembly fits closely.Used in new energy vehicles oil-cooled motor system provided by the utility model, since motor assembly and inverter assembly share shell, integration degree is high, and occupied space is small in size, can flexibly be arranged in cabin or rear axle, while realizing high power density.In addition, die casting cooling oil path in shell, the electronic device of inverter is fitted closely with housing outer surface, is radiated by cooling oil path, good heat dissipation effect, can effectively be improved the efficiency of electric system and be effectively reduced cost.
Description
Technical field
The utility model relates to a kind of oil-cooled motor systems, and in particular to a kind of used in new energy vehicles oil-cooled motor system.
Background technique
The arrangement of electric system mainly includes three kinds of schemes at present: the first scheme, motor and inverter are independent
Design is two individual parts；Second scheme, inverter and motor are integrated, and wherein inverter and motor are independent assembly, inverse
Become device and only passes through that several bolt points carry out forcing to be integrated in above electric machine casing or side, this scheme not exclusively calculate system collection
At, and occupied space size is big in radial directions for electric system；Collect on the axial direction of the third scheme, inverter and motor
At wherein motor and inverter case share, and integration degree is higher, but axial direction size is elongated, to the ruler of vehicle transverse direction
It is very little to propose higher arrangement requirement.
It would therefore be highly desirable to need to provide one kind, integration degree is high, and occupied space is small in size, the electric system cloth of flexible arrangement
Set scheme.
Utility model content
The example technical problems to be solved of the utility model are to provide one kind, and integration degree is high, occupied space volume
It is small, the used in new energy vehicles oil-cooled motor system of flexible arrangement.
The technical solution adopted in the utility model are as follows:
The utility model embodiment provides a kind of used in new energy vehicles oil-cooled motor system, including motor assembly and inverter it is total
Include shell, stator module, rotor assembly, rotary transformer and electric motor end cap at, the motor assembly, the electric motor end cap with
The shell connection, forms the cavity for accommodating the stator module, the rotor assembly and the rotary transformer；
The radial direction setting of armature spindle of the inverter assembly along rotor assembly on the housing, including drives single
Element module, driving plate, control panel, capacitor and cover board, the driving uinit module, the driving plate, the control panel and described
Capacity arrangement is in the space that the shell and the cover board surround, wherein the upside of the driving uinit module and the drive
Movable plate connection, downside and the outer surface of the shell fit, and the upside of the capacitor, the capacitor is arranged in the control panel
Downside and the outer surface of the shell fit；
Wherein, it is formed with the first cooling oil path on the armature spindle, the second cooling oil path is formed on the shell, it is described
The fuel feed hole being connected respectively with first cooling oil path and second cooling oil path and cooling are formed on electric motor end cap
Oil duct, cooling oil separately flow into first cooling oil path and second cooling by the fuel feed hole and the cooling oil duct
In oil circuit.
Optionally, second cooling oil path includes a plurality of oil circuit along armature spindle axial direction setting；It is each cold
But the diameter of oil duct is different.
Optionally, second cooling oil path includes 7 oil circuits.
Optionally, it is formed on second cooling oil path there are two spray section, described two spray sections correspond to stator module
Stator leading-out terminal and non-leading-out terminal.
Optionally, each spray section is formed with three spray holes being connected with second cooling oil path.
Optionally, a spray hole in the spray hole is arranged vertically downward, other two spray hole is obliquely installed.
Optionally, first cooling oil path flows into the bottom of the cavity by drainback passage and oil leak hole, and described time
Oily channel is formed in the end of the armature spindle, and the oil leak hole is formed on the housing.
Optionally, the bottom of the shell is formed with the oil return opening being connected and oil return runner, the oil return opening with it is described
Cavity connection.
Optionally, the stator triple line of the stator module is drawn by three-phase terminal, and with the driving uinit module
Terminal pass through connector connect.
Optionally, the capacitor is arc-shaped；The driving uinit module and the mating surface of the shell are plane.
Used in new energy vehicles oil-cooled motor system provided by the embodiment of the utility model, due to motor assembly and inverter assembly
Shell is shared, integration degree is high, and occupied space is small in size, can flexibly be arranged in cabin or rear axle, realize simultaneously
High power density.In addition, die casting cooling oil path in shell, the electronic device of inverter is fitted closely with housing outer surface,
It is radiated by cooling oil path, good heat dissipation effect can effectively improve the efficiency of electric system and effectively reduce cost.
Detailed description of the invention
Fig. 1 is a kind of perspective view of the explosion of used in new energy vehicles oil-cooled motor system provided by the embodiment of the utility model；
Fig. 2 is a kind of cross-sectional view of used in new energy vehicles oil-cooled motor system provided by the embodiment of the utility model；
Fig. 3 is a kind of partial cutaway of used in new energy vehicles oil-cooled motor system motor end cap provided by the embodiment of the utility model
View；
Fig. 4 is a kind of broken section of used in new energy vehicles oil-cooled motor system capacitance provided by the embodiment of the utility model
Figure；
Fig. 5 is a kind of partial cutaway of used in new energy vehicles oil-cooled motor system casing oil circuit provided by the embodiment of the utility model
View.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
Fig. 1 is a kind of perspective view of the explosion of used in new energy vehicles oil-cooled motor system provided by the embodiment of the utility model；Fig. 2
For a kind of cross-sectional view of used in new energy vehicles oil-cooled motor system provided by the embodiment of the utility model；Fig. 3 is that the utility model is real
A kind of partial sectional view of used in new energy vehicles oil-cooled motor system motor end cap of example offer is provided；Fig. 4 is the utility model implementation
A kind of partial sectional view for used in new energy vehicles oil-cooled motor system capacitance that example provides；Fig. 5 provides for the utility model embodiment
A kind of used in new energy vehicles oil-cooled motor system casing oil circuit partial sectional view.
As shown in Figures 1 to 5, used in new energy vehicles oil-cooled motor system provided by the embodiment of the utility model, including motor
Assembly and inverter assembly, wherein its described motor assembly may include existing dependency structure, such as, it may include shell 1 is determined
Sub-component 2, rotor assembly 3, rotary transformer and electric motor end cap 4 etc., the electric motor end cap 4 are connect with the shell 1, are formed and are held
Receive the cavity of the stator module 2, the rotor assembly 3 and the rotary transformer.The inverter assembly is along rotor assembly
Armature spindle 20 radial direction be arranged on the shell 1, it may include existing dependency structure, it may for example comprise driving unit
Module 13, driving plate 12, control panel 10, capacitor 9 and cover board 11 etc., it is the driving uinit module 13, the driving plate 12, described
Control panel 10 and the capacitor 9 are arranged in the space that the shell 1 and the cover board 11 surround, wherein the driving unit
The upside of module 13 is connect with the driving plate 12, and downside and the outer surface of the shell 1 fit, and the control panel 10 is arranged
In the upside of the capacitor 9, the downside of the capacitor 9 and the outer surface of the shell 1 fit.
Wherein, it is formed with the first cooling oil path 21 on the armature spindle 20, is formed with the second cooling oil path on the shell 1
8, be formed on the electric motor end cap 4 be connected respectively with first cooling oil path 21 and second cooling oil path 8 into
Oilhole 24 and cooling oil duct, cooling oil flow to first cooling oil by the fuel feed hole 24 and the cooling oil duct respectively
Road 21 and second cooling oil path 8, i.e. cooling oil are shunted after entering electric motor end cap, and a part of cooling oil passes through fuel feed hole
24 are flowed into the first cooling oil path 21, cool down to rotor assembly, and another part cooling oil enters second by cooling oil duct
Cooling oil path cools down stator module and inverter assembly.
Used in new energy vehicles oil-cooled motor system provided by the embodiment of the utility model, due to motor assembly and inverter assembly
Shell is shared, integration degree is high, and occupied space is small in size, can flexibly be arranged in cabin or rear axle, realize simultaneously
High power density.In addition, die casting cooling oil path in shell, the electronic device of inverter is fitted closely with housing outer surface,
It is radiated by cooling oil path, good heat dissipation effect can effectively improve the efficiency of electric system and effectively reduce cost.
Specifically, in the utility model embodiment, shell 1 may include main part and positioned at the main part one end,
The end being integrally formed with the main part, the second cooling oil path 8 are formed on the main part, the other end of the main part
It is connect with the electric motor end cap 4, i.e., one end of shell 1 is by integrally formed end cover, and the other end is open, with electric motor end cap
4 connections.Stator module 2 and rotor assembly 3 can be existing construction package, and stator module 2 may include stator and be wrapped in stator
On winding etc., rotor assembly 3 may include armature spindle, the rotor core being mounted on armature spindle etc., wherein the rotor assembly
3 are supported on the shell 1 by 20 one end of armature spindle by bearing 26, and the other end is supported on the motor side by bearing 26
On lid 4.The stator module 2 is mounted between the rotor assembly 3 and the shell 1, wherein stator module 2 and shell 1 it
Between be elastic conjunction, the triple line of stator module 2 can be drawn by three-phase terminal 18, which can be by patching
Part 14 and the terminal of driving uinit module are attached.Connector 14 can be existing standard connector, be fixed on shell 1,
Be provided with sealing ring on connector 14, for by machine cavity and inverter cavity carry out every.The terminal of one end of connector 14
17 are bolted with three-phase terminal 18, and the other end is connected with the terminal of driving uinit module 13.The rotary transformer
Stator 6 is arranged on the shell 1, is specifically located on the end of shell 1, as shown in Fig. 2, can be consolidated by spline 22
It is fixed；The rotor 7 of the rotary transformer is arranged on the armature spindle 20, as shown in Fig. 2, armature spindle can be stuck in by snap ring 25
On.Wherein, the signal wire of rotary transformer can be drawn by the aperture on shell 1, and signal wire is guided in the inside of shell 1
On control panel 10.In one example, signal wire and control panel 10 can be attached by connector.The connector can be existing
Connector, for example, can be 8pin connector connector.
In the utility model embodiment, the second cooling oil path 8 is formed integrally with the shell, specifically along the axial direction of armature spindle 20
Direction is formed.In one example, cooling oil path 8 can be 7, but not limited to this, the particular number of oil circuit 8 can be according to motor
The adjustment of the parameters such as outer diameter, calorific value, oil temperature.Wherein, spray section there are two being formed on each second cooling oil path 8, respectively sprays
Portion 15 and 34 is spilt, the two spray sections respectively correspond the leading-out terminal and non-leading-out terminal of the stator of stator module, so that oil liquid is direct
It is sprayed on stator winding.Each spray section be formed with three spray holes 43 being connected with second cooling oil path 8,44,
45, wherein as shown in figure 5, a spray hole 44 in the spray hole is arranged vertically downward, other two spray hole 43 and 45
It is obliquely installed, comprehensive cooling can be carried out to stator winding in this way.In addition, being formed in the bottom of the shell 1 connected
Logical oil return opening 27 and oil return runner 28, the oil return opening 27 are connected to second cooling oil path 8, in this way, cooling oil is passed through
After the cooling of field frame assembly and rotor assembly, it is flow back into cavity bottom by gravity, passes through oil return opening 27 and oil return runner 28
Housing bottom is flowed into, is then discharged out.
Correspondingly, as shown in figure 3, be formed on electric motor end cap 47 corresponding with 7 cooling oil paths on shell 1 it is cold
But oil duct (36,37,38,39,40,41,42), the diameter of every cooling oil duct is different.The top of each cooling oil duct can
It fills in seal to be sealed, for example, filling in steel ball 16.External cooling oil is entered by the oil inlet pipe 23 of oil pipe 5, is then led to
The fuel feed hole and cooling oil duct for crossing electric motor end cap 4 are shunted, and flow to armature spindle 20 and shell 1 respectively, are realized to motor assembly
With the heat dissipation of inverter assembly.
In the utility model embodiment, as shown in Fig. 2, passing through oil return by the cooling oil of first cooling oil path 21
Channel 31,32 and oil leak hole 29 flow into the bottom of cavity, and the drainback passage 31,32 is formed in the end of the armature spindle 20,
The oil leak hole 29 is formed on the housing.Specifically, drainback passage 31 and 32 is formed in the left side of armature spindle 20, the two
Channel is formed as " ten " font, and the cooling oil after the first cooling oil path 21 flows out armature spindle by drainback passage 31 and 32
20, and then flowed into cavity by oil leak hole 29, and then housing bottom is flowed by oil return opening 27 and oil return runner 28, then arrange
Cavity out.The leftmost side of armature spindle 20, i.e. it is close that the leftmost side of the first cooling oil path 21 can fill in such as steel ball progress of seal 30
Envelope.
In the utility model embodiment, the driving uinit module 13 of inverter assembly can be multiple standalone modules, one
It can be 3 independent modules, however, it is not limited to this, can be configured according to actual needs in example.Wherein, driving unit
The upside of module 13 is connected with corresponding driving plate 12 respectively, such as can be connected by bolt, pin with modes such as welding, under
Side and the outer surface of shell 1 fit closely, and are bolted on shell.It is connected, is realized by harness between driving plate
Signal transmitting.In one example, driving uinit module 13 and the mating surface of the shell 1 are plane, i.e. driving uinit module
Downside be plane corresponding plane is correspondingly formed on the outer surface of shell 1, however, driving uinit module and shell
Mating surface be not limited to plane, can be configured according to the actual situation.
In the utility model embodiment, as shown in figure 4, the capacitor 9 can be circular arc compatible with 1 outer surface of shell
Shape is cooled down so that capacitor 9 is bonded closely with the outer surface of shell 1 convenient for cooling oil path 8.Capacitor 9 and driving uinit module
Energy between 13, can the terminal of driving uinit module 13 and the terminal of capacitor transmitted, pass through bolt between terminal
It is fixed
In addition, cover board 11 is fixed on shell 1 by the sealing of rubber ring 35, to realize the sealing to inverter assembly.
To sum up, used in new energy vehicles oil-cooled motor system provided by the utility model, due to motor assembly and inverter assembly
Shell is shared, integration degree is high, and occupied space is small in size, can flexibly be arranged in cabin or rear axle, realize simultaneously
High power density.The electronic device of die casting cooling oil path in shell, inverter is fitted closely with housing outer surface, by cold
But oil circuit radiates, and good heat dissipation effect can effectively improve the efficiency of electric system, since the electric system cancels inverter
Cooling system effectively reduces cost.
Embodiment described above, only specific embodiment of the present utility model, to illustrate the technology of the utility model
Scheme, rather than its limitations, the protection scope of the utility model are not limited thereto, although practical to this with reference to the foregoing embodiments
It is novel to be described in detail, those skilled in the art should understand that: any technology people for being familiar with the art
Member within the technical scope disclosed by the utility model, can still modify to technical solution documented by previous embodiment
Or variation or equivalent replacement of some of the technical features can be readily occurred in；And these modifications, variation or replacement,
The spirit and scope for the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution should all cover at this
Within the protection scope of utility model.Therefore, the protection scope of the utility model is answered described is with scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of used in new energy vehicles oil-cooled motor system, which is characterized in that including motor assembly and inverter assembly, the motor
Assembly includes shell, stator module, rotor assembly, rotary transformer and electric motor end cap, and the electric motor end cap and the shell connect
It connects, forms the cavity for accommodating the stator module, the rotor assembly and the rotary transformer；
The radial direction of armature spindle of the inverter assembly along rotor assembly is arranged on the housing, including driving unit mould
Block, driving plate, control panel, capacitor and cover board, the driving uinit module, the driving plate, the control panel and the capacitor
It is arranged in the space that the shell and the cover board surround, wherein the upside of the driving uinit module and the driving plate
Connection, downside and the outer surface of the shell fit, and the control panel is arranged in the upside of the capacitor, under the capacitor
Side and the outer surface of the shell fit；
Wherein, it is formed with the first cooling oil path on the armature spindle, the second cooling oil path, the motor are formed on the shell
The fuel feed hole and cooling oil duct being connected respectively with first cooling oil path and second cooling oil path are formed on end cap,
Cooling oil separately flows into first cooling oil path and second cooling oil path by the fuel feed hole and the cooling oil duct
In.
2. used in new energy vehicles oil-cooled motor system according to claim 1, which is characterized in that the second cooling oil path packet
Include a plurality of oil circuit along armature spindle axial direction setting；The diameter of each cooling oil duct is different.
3. used in new energy vehicles oil-cooled motor system according to claim 2, which is characterized in that the second cooling oil path packet
Include 7 oil circuits.
4. used in new energy vehicles oil-cooled motor system according to any one of claims 1 to 3, which is characterized in that described second
Formed on cooling oil path there are two spray section, described two spray sections correspond to the stator of stator module leading-out terminal and non-outlet
End.
5. used in new energy vehicles oil-cooled motor system according to claim 4, which is characterized in that each spray section be formed with
Three spray holes that second cooling oil path is connected.
6. used in new energy vehicles oil-cooled motor system according to claim 5, which is characterized in that one in the spray hole
Spray hole is arranged vertically downward, other two spray hole is obliquely installed.
7. used in new energy vehicles oil-cooled motor system according to claim 1, which is characterized in that first cooling oil path is logical
It crosses drainback passage and oil leak hole flows into the bottom of the cavity, the drainback passage is formed in the end of the armature spindle, described
Oil leak hole is formed on the housing.
8. used in new energy vehicles oil-cooled motor system according to claim 1 or claim 7, which is characterized in that the bottom of the shell
It is formed with the oil return opening being connected and oil return runner, the oil return opening is connected to the cavity.
9. used in new energy vehicles oil-cooled motor system according to claim 1, which is characterized in that the stator of the stator module
Triple line is drawn by three-phase terminal, and is connect with the terminal of the driving uinit module by connector.
10. used in new energy vehicles oil-cooled motor system according to claim 1, which is characterized in that the capacitor is arc-shaped；
The driving uinit module and the mating surface of the shell are plane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920086411.5U CN209329892U (en) | 2019-01-18 | 2019-01-18 | A kind of used in new energy vehicles oil-cooled motor system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920086411.5U CN209329892U (en) | 2019-01-18 | 2019-01-18 | A kind of used in new energy vehicles oil-cooled motor system |
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| CN209329892U true CN209329892U (en) | 2019-08-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510402A (en) * | 2019-01-18 | 2019-03-22 | 中国第汽车股份有限公司 | A kind of used in new energy vehicles oil-cooled motor system |
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2019
- 2019-01-18 CN CN201920086411.5U patent/CN209329892U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510402A (en) * | 2019-01-18 | 2019-03-22 | 中国第汽车股份有限公司 | A kind of used in new energy vehicles oil-cooled motor system |
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