CN209344899U - A kind of used in new energy vehicles motor inverter assembly - Google Patents
A kind of used in new energy vehicles motor inverter assembly Download PDFInfo
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- CN209344899U CN209344899U CN201822249567.9U CN201822249567U CN209344899U CN 209344899 U CN209344899 U CN 209344899U CN 201822249567 U CN201822249567 U CN 201822249567U CN 209344899 U CN209344899 U CN 209344899U
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Abstract
The utility model provides a kind of used in new energy vehicles motor inverter assembly, it include: inverter assembly, motor shaft, rotor core, field frame assembly, electric machine casing and drive end bearing bracket, the front end of the electric machine casing is connect with the drive end bearing bracket, rear end is connect with the inverter case of inverter assembly, and the inverter case, the electric machine casing and the drive end bearing bracket are connected and fixed by a bolt along the axial direction of motor shaft；The rotor core is mounted on the motor shaft, and the field frame assembly is mounted on the rotor core, and including stator core and the winding being wrapped on the stator core, the winding is formed by using strip conductor contact pin type winding method；On the drive end bearing bracket, the rear end of the motor is supported in the inverter case front support of the motor.The integration mode of the motor inverter assembly of the utility model is simple, low manufacture cost.
Description
Technical field
The utility model relates to a kind of used in new energy vehicles motor inverter assemblies.
Background technique
Currently, Global Environmental Problems increasingly highlight, new-energy automobile is small as a kind of discharge, has polluted few vehicles
The extensive attention of each vehicle factor is obtained, develops new-energy automobile and has become the very urgent task of automobile industry.And motor inversion
Core component of the device as new energy vehicle electric drive system, the even more major part of integral vehicle cost and performance guarantee.Currently, motor is inverse
Becoming device assembly integration mode mainly has radial direction integrated and axial two kinds integrated, and shell generally uses cast housing, and stator mostly uses
Round wire winding configuration, there are electric machine casing poor universalities, and mold developing again is needed in successive generations of products, causes cost
Increase, and the round wire winding mode of motor stator, copper factor is low, and end is long, and material cost is high, limits motor specific power
Promotion.
Utility model content
In view of the above technical problems, the utility model provides a kind of used in new energy vehicles motor inverter assembly, the assembly collection
Simple at mode, stator is formed using strip conductor contact pin winding method, and copper factor is high, and has saved cost.
The technical solution adopted in the utility model are as follows:
The utility model embodiment provides a kind of used in new energy vehicles motor inverter assembly, comprising: inverter assembly, motor
Axis, rotor core, field frame assembly, electric machine casing and drive end bearing bracket, wherein the front end of the electric machine casing and the drive end bearing bracket connect
It connects, rear end is connect with the inverter case of inverter assembly, to form the accommodating for accommodating motor shaft, rotor core, field frame assembly
Space, the axial direction of the inverter case, the electric machine casing and the drive end bearing bracket by a bolt along motor shaft connect
It connects and is fixed together, the inverter case and the electric machine casing identical water channel jointly；The rotor core is mounted on institute
It states on motor shaft, the field frame assembly is mounted on the rotor core, including stator core and is wrapped in the stator core
On winding, the winding formed by using strip conductor contact pin type winding method；The front support of the motor is before described
On end cap, the rear end of the motor is supported in the inverter case.
Optionally, the motor shaft includes the motor front axle being formed separately and electric motor back shaft, before the motor front axle passes through
On the drive end bearing bracket, the rear end of the electric motor back shaft is supported in the inverter case bearing support by rear bearing.
Optionally, the motor front axle is hollow structure.
Optionally, the rotor core is mounted in the motor front axle.
Optionally, the water channel is formed along the axial direction of the electric machine casing.
Optionally, the electric machine casing is made of aluminum, and is integrally formed with the water channel.
Optionally, the winding is formed by using flat type copper wire contact pin type winding method.
Used in new energy vehicles motor inverter assembly provided by the embodiment of the utility model, due to inverter case, motor casing
Body and drive end bearing bracket are by an axial connection of bolt progress, and inverter case and electric machine casing share a water channel, so that
The integration mode of motor inverter assembly is simple.In addition, the winding of stator carries out coiling using strip conductor contact pin type winding method
It is formed, can be improved the utilization rate of conducting wire, reduce the production cost.
Detailed description of the invention
Fig. 1 is the elevational cross-sectional view of the used in new energy vehicles motor inverter assembly of the utility model；
Fig. 2 is the used in new energy vehicles motor inverter assembly shaft side figure of the utility model；
Fig. 3 is the axonometric drawing of the used in new energy vehicles motor inverter assembly electric machine casing of the utility model；
Fig. 4 is the axonometric drawing of the used in new energy vehicles motor inverter assembly motor front axle of the utility model；
Fig. 5 is the axonometric drawing of the used in new energy vehicles motor inverter assembly electric motor back shaft of the utility model.
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 the elevational cross-sectional view of the used in new energy vehicles motor inverter assembly of the utility model；Fig. 2 is the utility model
Used in new energy vehicles motor inverter assembly shaft side figure；Fig. 3 is the used in new energy vehicles motor inverter assembly electricity of the utility model
The axonometric drawing of casing body；Fig. 4 is the axonometric drawing of the used in new energy vehicles motor inverter assembly motor front axle of the utility model；Fig. 5
It is the axonometric drawing of the used in new energy vehicles motor inverter assembly electric motor back shaft of the utility model.
As shown in Figure 1, used in new energy vehicles motor inverter assembly provided by the embodiment of the utility model, comprising: inverter
Assembly 2, motor shaft, rotor core 4, field frame assembly 6, electric machine casing 5 and drive end bearing bracket 13, wherein the front end of the electric machine casing 5
It is connect with the drive end bearing bracket 13, rear end is connect with the inverter case 14 of inverter assembly 2, accommodates motor shaft, rotor to be formed
The accommodating space of iron core 4, field frame assembly 6, the inverter case 14, the electric machine casing 5 and the drive end bearing bracket 13 pass through one
A bolt is connected and fixed along the axial direction of motor shaft, the inverter case 14 and the common water of the electric machine casing 5
Road；The rotor core 4 is mounted on the motor shaft, and the field frame assembly 6 is mounted on the rotor core 4, including fixed
Sub- iron core and the winding being wrapped on the stator core, the winding are formed by using strip conductor contact pin type winding method；
On the drive end bearing bracket 13, the rear end of the motor is supported in the inverter case 14 front support of the motor.
In the utility model embodiment, inverter case 14 is connect with the rear end of electric machine casing 5, as electric machine casing
Rear end cap, can share identical water channel 12 with electric machine casing 5, and the structure of water channel 12 is as shown in Figure 3.As shown in figure 3, the water
Road 12 is formed along the axial direction of the electric machine casing 5, specifically, prominent on the periphery of electric machine casing 5 to be formed with multiple dash forward
Portion out is formed with water channel 12 along motor shaft axial direction on protruding portion.As shown in Fig. 2, coolant liquid enters from water inlet pipe 10, flow through
Inverter assembly 2 reaches electric machine casing 5, along water channel 12, the circulation in motor body is completed by drive end bearing bracket 13, finally by going out
Water pipe 11 flows out.It should be noted that inverter assembly 2 in the utility model can be existing structure, herein to avoid going to live in the household of one's in-laws on getting married
It states, omits the specific descriptions to it.In addition, the electric machine casing 5 is made of aluminum, motor casing in the utility model embodiment
Body 5 and water channel 12 are integrally formed, and the technique that drawing can be used is integrally formed, and this forming method is not only can on axial length
Flexibly to change, platform extension is carried out, and material and processing cost can be saved, greatly shortened in successive generations of products
Process-cycle.
In the utility model embodiment, the motor shaft includes the motor front axle 9 being formed separately and electric motor back shaft 1, institute
It states motor front axle 9 to be supported on the drive end bearing bracket 13 by fore bearing 3, the rear end of the electric motor back shaft 1 is supported by rear bearing 8
In the inverter case 14.Together with motor front axle 9 is bolted to connection with electric motor back shaft 1, motor front axle 9 and electricity
The structure of machine rear axle 1 as shown in figure 4, motor front axle 9 is hollow structure, can enable to so respectively as shown in Figure 4 and Figure 5
The diameter of motor shaft becomes larger, also, since diameter becomes larger, and can effectively reduce the quality and rotor core 4 of motor front axle 9
Quality.
In the utility model embodiment, rotor core forms the logical of multiple placement magnet steel in the circumferential direction close to outside
Hole, magnet steel can be fixed in through-holes in several ways, such as be adhesively fixed in through-holes by bonding agent.In the utility model
In embodiment, the rotor core 4 can be mounted on the motor shaft by being interference fitted and/or being keyed structure (not shown)
On, it is specifically mounted in motor front axle 9.In one example, rotor core 4 can be mounted on motor shaft by way of interference fit
On, magnitude of interference can be determined according to revolving speed and torque.In one example, rotor core 4 can be connected by key structure and motor shaft
Connection, the key connection structure may include being axially formed and to motor shaft a pair outstanding along the rotor core 4
Symmetrical convex key, and be formed in keyway compatible with the convex key on the motor shaft, by the cooperation of convex key and keyway,
On the one hand it can play the role of guiding, on the other hand can assist anti-rotation, to realize the firm of rotor core and motor shaft
Connection.In another example, rotor core 4 can be connected by key the mode of structure and interference fit simultaneously and motor shaft connects
It connects, this mounting structure can more firmly realize being bonded for rotor core and motor shaft, it can be ensured that torque transmitting
Stability.
In the utility model embodiment, field frame assembly 6 carries out coiling, contact pin type using strip conductor contact pin type winding method
Coil is divided into two major classes, Standard linear and non-standard line style.Wherein, Standard linear uses punch forming, and cross bridge line etc. is nonstandard
Directrix type uses offhand.Strip conductor contact pin type winding, coil form first, are inserted into stator core, carry out to welding ends
Welding, effectively raises copper factor compared with traditional round wire winding form, has saved copper product cost, and end height obtains
Effective control, is not necessarily to later period shaping, and consistency is high.In addition, the stamping die of Standard linear is after product renewing, if coiling
Principle is constant, can continue to use, and there is no developing again, mold is versatile, effectively saves cost.One
In example, field frame assembly 6 can be used flat type copper wire contact pin type winding method and carry out coiling.
To sum up, used in new energy vehicles motor inverter assembly provided by the embodiment of the utility model, due to inverter case, electricity
Casing body and drive end bearing bracket are by an axial connection of bolt progress, and inverter case and electric machine casing share a water channel,
So that the integration mode of motor inverter assembly is simple.In addition, the winding of stator is carried out using strip conductor contact pin type winding method
Coiling is formed, and be can be improved the utilization rate of conducting wire, is reduced the production cost.In addition, the technique that electric machine casing uses drawing formula
Mode, water jacket integral molding, while saving process, by changing core length in the exploitation of platform-type motor product
Multi-scheme sharing of die may be implemented, largely saved die cost and development cycle.Motor shaft uses combined electrical
Arbor effectively reduces rotor overall weight wherein the shaft part of cooperation rotor core is designed using hollow shaft.
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 (7)
1. a kind of used in new energy vehicles motor inverter assembly characterized by comprising inverter assembly, motor shaft, rotor iron
Core, field frame assembly, electric machine casing and drive end bearing bracket, wherein the front end of the electric machine casing is connect with the drive end bearing bracket, rear end with it is inverse
Become the inverter case connection of device assembly, it is described inverse to form the accommodating space for accommodating motor shaft, rotor core, field frame assembly
Become device shell, the electric machine casing and the drive end bearing bracket and is fastened on one along the axial direction of motor shaft by a bolt
It rises, the inverter case and the electric machine casing identical water channel jointly；The rotor core is mounted on the motor shaft,
The field frame assembly is mounted on the rotor core, including stator core and the winding being wrapped on the stator core, institute
Winding is stated to be formed by using strip conductor contact pin type winding method；The front support of the motor is described on the drive end bearing bracket
The rear end of motor is supported in the inverter case.
2. used in new energy vehicles motor inverter assembly according to claim 1, which is characterized in that the motor shaft includes point
Open form at motor front axle and electric motor back shaft, the motor front axle be supported on the drive end bearing bracket by fore bearing, the motor
The rear end of rear axle is supported in the inverter case by rear bearing.
3. used in new energy vehicles motor inverter assembly according to claim 2, which is characterized in that during the motor front axle is
Hollow structure.
4. used in new energy vehicles motor inverter assembly according to claim 3, which is characterized in that the rotor core installation
In the motor front axle.
5. used in new energy vehicles motor inverter assembly according to claim 1, which is characterized in that the water channel is along the electricity
The axial direction of casing body is formed.
6. used in new energy vehicles motor inverter assembly according to claim 1 or 5, which is characterized in that the electric machine casing
It is made of aluminum, and be integrally formed with the water channel.
7. used in new energy vehicles motor inverter assembly according to claim 1, which is characterized in that the winding by using
Flat type copper wire contact pin type winding method is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822249567.9U CN209344899U (en) | 2018-12-29 | 2018-12-29 | A kind of used in new energy vehicles motor inverter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822249567.9U CN209344899U (en) | 2018-12-29 | 2018-12-29 | A kind of used in new energy vehicles motor inverter assembly |
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| Publication Number | Publication Date |
|---|---|
| CN209344899U true CN209344899U (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822249567.9U Active CN209344899U (en) | 2018-12-29 | 2018-12-29 | A kind of used in new energy vehicles motor inverter assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3829029A1 (en) * | 2019-11-27 | 2021-06-02 | Robert Bosch GmbH | Housing arrangement of an electric drive unit |
| WO2022077415A1 (en) * | 2020-10-16 | 2022-04-21 | 舍弗勒技术股份两合公司 | Motor assembly integrated with inverter |
-
2018
- 2018-12-29 CN CN201822249567.9U patent/CN209344899U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3829029A1 (en) * | 2019-11-27 | 2021-06-02 | Robert Bosch GmbH | Housing arrangement of an electric drive unit |
| WO2022077415A1 (en) * | 2020-10-16 | 2022-04-21 | 舍弗勒技术股份两合公司 | Motor assembly integrated with inverter |
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