CN209217915U - A kind of cast copper formula AC induction motor - Google Patents
A kind of cast copper formula AC induction motor Download PDFInfo
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- CN209217915U CN209217915U CN201822235342.8U CN201822235342U CN209217915U CN 209217915 U CN209217915 U CN 209217915U CN 201822235342 U CN201822235342 U CN 201822235342U CN 209217915 U CN209217915 U CN 209217915U
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- cooled housing
- bearing bracket
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Abstract
The utility model discloses a kind of cast copper formula AC induction motors, including motor shaft, rotor, stator core, water-cooled housing and differential packet, rotor includes the copper rotor in rotor core and die casting to rotor core, multiple line packets are wound on the stator core, the adjusting of different rotating speeds can be achieved, the rotor is fixed on the motor shaft in integral structure, water-cooled housing is installed in outside the stator core, and the both ends of water-cooled housing have been respectively fixedly connected with drive end bearing bracket and rear end cap, the differential packet is set on the drive end bearing bracket of the motor shaft front end, it can be movable relatively between the rotor and the stator core.The rotor of the utility model uses copper material, has relative to big 3 times of the density of aluminium, and resistance is smaller, therefore has higher power-conversion efficiency, transformation efficiency can be increased to 93%~95%, improve the course continuation mileage of electric car.
Description
Technical field
The utility model relates to a kind of cast copper formula AC induction motors.
Background technique
Existing automobile AC induction motor using: 1. cast aluminum type rotor structures, 2. inlay copper bar and manual welding
Combine two kinds of techniques.Magneto belongs to another motor type, and the size of torque depends on permanent magnetism ferromagnetic flux, permanent magnetism
The demagnetization characteristic that body possesses is the disadvantage of this motor maximum.Permanent magnet motor structure present simultaneously is complicated, causes processing technology
Complexity, disadvantage at high cost.
Utility model content
In view of the above deficiencies, the purpose of the utility model is to provide a kind of cast copper formula AC induction motors, have knot
The advantages of structure is simple, at low cost, high conversion efficiency.
To achieve the above object, technical solution provided by the utility model is:
A kind of cast copper formula AC induction motor, including motor shaft, rotor, stator core, water-cooled housing and differential packet,
The rotor includes the copper rotor in rotor core and die casting to rotor core, and multiple lines are wound on the stator core
The adjusting, it can be achieved that different rotating speeds is wrapped, the rotor is fixed on the motor shaft in integral structure, the water cooling
Shell is installed in outside the stator core, and the both ends of water-cooled housing have been respectively fixedly connected with drive end bearing bracket and rear end cap, the difference
Speed packet is set on the drive end bearing bracket of the motor shaft front end, can be movable relatively between the rotor and the stator core.
Preferably, the both ends of the rotor are respectively fixed with end ring, and end ring turns with the copper being built in rotor core
Son is in integral structure, and end ring is made of copper material.
Preferably, the drive end bearing bracket and rear end cap are fixedly connected with the both ends of the water-cooled housing respectively, and drive end bearing bracket and
Rear end cap is installed on the motor shaft by rolling bearing.
Preferably, the water-cooled housing be hollow structure, inside have a cavity, and water-cooled housing on the outside of be respectively equipped with
The inlet and outlet of internal cavity connection, the water-cooled housing are equipped with outlet box.
Preferably, be equipped with mounting plate on the outside of the water-cooled housing, and the two sides of mounting plate be fixed at respectively it is described before
On end cap and rear end cap, the mounting plate is equipped with multiple mounting holes, and the installation for motor is fixed.
Preferably, two pieces of mounting plates are correspondingly provided on the outside of the water-cooled housing, and the both ends of mounting plate are equipped with fixed part, and
Fixed part is fixed with the drive end bearing bracket and rear end cap.
Preferably, fixation is installed with connector on the drive end bearing bracket, and the differential packet is fixed on the connector.
A kind of manufacturing process of cast copper formula AC induction motor, includes the following steps:
S1, stator core is subjected to the coiling of money circle by wire winding tool, and turns to multiple line packets and the tune of revolving speed can be achieved
Section；
S2, stator core is carried out to voltage-withstand test, low resistance test and turn-to-turn insulation test；
S3, rotor core is put into coatings, then takes out and turns copper rotor to fixed by hydraulic press die casting
In sub- iron core, then the rotor of die casting one is put into cooling system cooling；
S4, integral structure will be formed on the integral rotor installing of die casting and motor shaft, and water-cooled housing is arranged
In outside stator core, and machine；
S5, the both ends that drive end bearing bracket and rear end cap are fixed on to water-cooled housing, and drive end bearing bracket and rear end cap pass through rolling bearing
It is installed on the motor shaft, assembles differential packet；
S7, motor comprehensive detection is carried out, be packaged.
Preferably, the coatings in the step S3 can play heat-insulated effect, prevent high temperature from influencing rotor core
Quality, the heat-insulated time of the coatings are 2 minutes, and the time in the copper rotor die casting to rotor core is 1 minute.
The utility model has the following beneficial effects:
1, the motor of the utility model is for conventional permanent magnet motor, using copper material in the rotor
Copper rotor has relative to big 3 times of the density of aluminium, and resistance is smaller, therefore has higher power-conversion efficiency, can will convert
Efficiency is increased to 93%~95%, improves the course continuation mileage of electric car；
2, the manufacturing process of the utility model solves the problems, such as that conventional permanent magnet motor manufacturing process is complicated, meanwhile, it solves
Copper rotor replacement aluminium rotor is easily damaged the technical problem of rotor core.It is practical new to this with reference to the accompanying drawing with embodiment
Type further illustrates.
Detailed description of the invention
Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following
Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the perspective view of the utility model；
Fig. 2 is the structural schematic diagram after Fig. 1 removal water-cooled housing and differential packet.
It is each in figure that the reference numerals are as follows.
Motor shaft 1, rotor core 2a, copper rotor 2b, stator core 3, water-cooled housing 4, water inlet 4a, goes out rotor 2
Mouth of a river 4b, outlet box 4c, differential packet 5, drive end bearing bracket 6, rear end cap 7, end ring 8, rolling bearing 9, mounting plate 10, mounting hole 10a, consolidate
Determine portion 10b, connector 11.
Specific embodiment
For technology contents, the construction feature, the objects and the effects that the utility model is described in detail, below in conjunction with implementation
Mode simultaneously cooperates attached drawing to be explained in detail.
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.In the description of the present invention, it should be noted that term " center ", "upper", "lower", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Please refer to Fig. 1 and Fig. 2, a kind of cast copper formula AC induction motor, including motor shaft 1, rotor 2, stator core
3, water-cooled housing 4 and differential packet 5, the rotor 2 include rotor core 2a and die casting to the copper rotor in rotor core 2a
2b.Multiple line packets are wound on the stator core 3, it can be achieved that different rotating speeds adjusting, the rotor 2 is fixed at institute
It states in integral structure on motor shaft 1, the water-cooled housing 4 is installed in outside the stator core 3, and the both ends of water-cooled housing 4 point
It is not fixedly connected with drive end bearing bracket 6 and rear end cap 7, the differential packet 5 is set on the drive end bearing bracket 6 of 1 front end of motor shaft, the electricity
It can be movable relatively between machine rotor 2 and the stator core 3.
Further, the both ends of the rotor 2 are respectively fixed with end ring 8, end ring 8 and are built in rotor core 2a
Copper rotor 2b be in integral structure, and end ring 8 is made of copper material.
Specifically, the drive end bearing bracket 6 and rear end cap 7 are fixedly connected with the both ends of the water-cooled housing 4 respectively, and drive end bearing bracket
6 and rear end cap 7 be installed on the motor shaft 1 by rolling bearing 9.
In the present embodiment, the water-cooled housing 4 is hollow structure, and inside has a cavity, and divides on the outside of water-cooled housing 4
The water inlet 4a and water outlet 4b that She You not be connected to internal cavity, the water-cooled housing 4 are equipped with outlet box 4c.The water cooling
Shell 4 can play the role of cooling down to rotor 2 and stator core 3, can effectively ensure that the quality of stator core 3.
Further, mounting plate 10 is equipped on the outside of the water-cooled housing 4, and the two sides of mounting plate 10 are fixed at respectively
On the drive end bearing bracket 6 and rear end cap 7, the mounting plate 10 is equipped with multiple mounting hole 10a, and the installation for motor is fixed.?
In the present embodiment, two pieces of mounting plates 10 are correspondingly provided on the outside of the water-cooled housing 4, and the both ends of mounting plate 10 are equipped with fixed part
10b, and fixed part 10b and the drive end bearing bracket 6 and rear end cap 7 are fixed.
Further, fixation is installed with connector 11 on the drive end bearing bracket 6, and the differential packet 5 is fixed at the company
On fitting 11.
A kind of manufacturing process of cast copper formula AC induction motor, includes the following steps:
S1, stator core 3 is subjected to the coiling of money circle by wire winding tool, and turns to multiple line packets and the tune of revolving speed can be achieved
Section；
S2, stator core 3 is carried out to voltage-withstand test, low resistance test and turn-to-turn insulation test；
S3, rotor core 2a is put into coatings, then takes out and arrives copper rotor 2b by hydraulic press die casting
In stator-rotor iron core 2a, then the rotor 2 of die casting one is put into cooling system cooling；
S4, integral structure will be formed on the integral installing of rotor 2 of die casting and motor shaft 1, and by 4 sets of water-cooled housing
Outside stator core 3, and machine；
S5, the both ends that drive end bearing bracket 6 and rear end cap 7 are fixed on to water-cooled housing 4, and drive end bearing bracket 6 and rear end cap 7 pass through rotation
Bearing 9 is installed on the motor shaft 1, assembles differential packet 5；
S7, motor comprehensive detection is carried out, be packaged.
Further, the coatings in the step S3 can play heat-insulated effect, prevent high temperature from influencing rotor core
The quality of 2a, the heat-insulated time of the coatings are 2 minutes, and the copper rotor 2b die casting to the time in rotor core 2a is
1 minute, and then can effectively ensure that copper rotor 2b realizes die casting within the insulation time, it ensure that rotor core 2a is not damaged by high temperature
It is bad.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of the utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, to the greatest extent
It is used some specific terms in pipe this specification, these terms are merely for convenience of description, not to the utility model
Any restrictions are constituted, using same or similar other devices, in scope of protection of the utility model.
Claims (7)
1. a kind of cast copper formula AC induction motor, it is characterised in that: including motor shaft (1), rotor (2), stator core
(3), water-cooled housing (4) and differential packet (5), the rotor (2) include rotor core (2a) and die casting to rotor core
Copper rotor (2b) in (2a), be wound with multiple line packets on the stator core (3), it can be achieved that different rotating speeds adjusting, the electricity
Machine rotor (2) is fixed on the motor shaft (1) in integral structure, and the water-cooled housing (4) is installed in the stator iron
Outside, and the both ends of water-cooled housing (4) have been respectively fixedly connected with drive end bearing bracket (6) and rear end cap (7) to core (3), and the differential packet (5) sets
In on the drive end bearing bracket (6) of the motor shaft (1) front end, opposite can be transported between the rotor (2) and the stator core (3)
It is dynamic.
2. a kind of cast copper formula AC induction motor as described in claim 1, it is characterised in that: the two of the rotor (2)
End is respectively fixed with end ring (8), and end ring (8) is in integral structure with the copper rotor (2b) being built in rotor core (2a), and is held
Ring (8) is made of copper material.
3. a kind of cast copper formula AC induction motor as described in claim 1, it is characterised in that: the drive end bearing bracket (6) and rear end
Lid (7) is fixedly connected with the both ends of the water-cooled housing (4) respectively, and drive end bearing bracket (6) and rear end cap (7) pass through rolling bearing
(9) it is installed on the motor shaft (1).
4. a kind of cast copper formula AC induction motor as described in claim 1, it is characterised in that: during the water-cooled housing (4) is
Hollow structure, inside have a cavity, and are respectively equipped with the water inlet (4a) being connected to internal cavity on the outside of water-cooled housing (4) and go out
The mouth of a river (4b), the water-cooled housing (4) are equipped with outlet box (4c).
5. a kind of cast copper formula AC induction motor as described in claim 1, it is characterised in that: on the outside of the water-cooled housing (4)
Two sides equipped with mounting plate (10), and mounting plate (10) are fixed at respectively on the drive end bearing bracket (6) and rear end cap (7), institute
Mounting plate (10) are stated equipped with multiple mounting holes (10a), the installation for motor is fixed.
6. a kind of cast copper formula AC induction motor as claimed in claim 5, it is characterised in that: on the outside of the water-cooled housing (4)
Be correspondingly provided with two pieces of mounting plates (10), and the both ends of mounting plate (10) are equipped with fixed part (10b), and fixed part (10b) with it is described
Drive end bearing bracket (6) and rear end cap (7) are fixed.
7. a kind of cast copper formula AC induction motor as described in claim 1, it is characterised in that: fixed on the drive end bearing bracket (6)
It is installed with connector (11), the differential packet (5) is fixed on the connector (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822235342.8U CN209217915U (en) | 2018-12-28 | 2018-12-28 | A kind of cast copper formula AC induction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822235342.8U CN209217915U (en) | 2018-12-28 | 2018-12-28 | A kind of cast copper formula AC induction motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209217915U true CN209217915U (en) | 2019-08-06 |
Family
ID=67466421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822235342.8U Active CN209217915U (en) | 2018-12-28 | 2018-12-28 | A kind of cast copper formula AC induction motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209217915U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450206A (en) * | 2018-12-28 | 2019-03-08 | 重庆永发工业有限公司 | A kind of cast copper formula AC induction motor and its manufacturing process |
| CN111609127A (en) * | 2020-06-03 | 2020-09-01 | 重庆永发工业有限公司 | Shifting fork gear shifting method, gearbox, new energy vehicle power assembly and vehicle |
| CN113659742A (en) * | 2021-08-21 | 2021-11-16 | 重庆永发工业有限公司 | Cast copper type alternating current asynchronous motor and manufacturing process thereof |
-
2018
- 2018-12-28 CN CN201822235342.8U patent/CN209217915U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450206A (en) * | 2018-12-28 | 2019-03-08 | 重庆永发工业有限公司 | A kind of cast copper formula AC induction motor and its manufacturing process |
| CN111609127A (en) * | 2020-06-03 | 2020-09-01 | 重庆永发工业有限公司 | Shifting fork gear shifting method, gearbox, new energy vehicle power assembly and vehicle |
| CN113659742A (en) * | 2021-08-21 | 2021-11-16 | 重庆永发工业有限公司 | Cast copper type alternating current asynchronous motor and manufacturing process thereof |
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