CN209313671U - Not equal 72 slot of circles, the 8/12 very high performance double speed winding of permanent torque - Google Patents
Not equal 72 slot of circles, the 8/12 very high performance double speed winding of permanent torque Download PDFInfo
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- CN209313671U CN209313671U CN201920134210.8U CN201920134210U CN209313671U CN 209313671 U CN209313671 U CN 209313671U CN 201920134210 U CN201920134210 U CN 201920134210U CN 209313671 U CN209313671 U CN 209313671U
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Abstract
The utility model relates to a kind of not equal 72 slot of circles, the 8/12 very high performance double speed windings of permanent torque.Motor including stator and rotor with 72 slots, the structure type of winding are 3Y/3Y+Y, i.e., 8 when extremely 3 road stars connect, and 12 extremely 3 road stars connect and star connects tandem-type connection all the way.The winding coefficient of the utility model winding is high, and the harmonic wave state of winding is good；Motor performance can be improved in the application of the utility model winding, reduces cost, high-efficient, temperature rise and low noise.
Description
Technical field
The utility model belongs to design of electrical motor field, and in particular to a kind of not equal 72 slot of circles, 8/12 very high performance of permanent torque
Double speed winding.
Background technique
Currently, 8/12 pole double-speed motor Winding Design is generally obtained using reverse pole-conversion method.
So-called reverse pole-conversion method is exactly according to machine winding principle, by the half coil current of each phase in 8 pole three-phases
Flow direction becomes reversed, 12 pole windings of acquisition, and the coil of 8 poles and 12 extremely every phases mutually belongs to identical.
The winding coefficient of such 8/12 pole double speed winding two extremely under it is one high and one low, facies tract and span cooperation it is bad,
The harmonic content of winding is more and amplitude is big, and winding utilization is low.
It is the 72 slot double speed winding principles and wiring diagram of reverse pole-conversion method as shown in Figure 1.
8 poles are equivalent to 120 ° of facies tracts in Fig. 1, and 12 poles are equivalent to 90 ° of facies tracts, pitch Y=6；8 is extremely short away from, 12 extremely whole squares, this
It is this scheme motor electromagnetic design needs.But by design of electrical motor volume, 120 ° of facies tract windings are rounded square harmonic wave state most
It is good.
The shortcomings that in order to overcome above-mentioned 8/12 pole double-speed motor winding, present applicant proposes a kind of not equal circles 72 of permanent torque
8/12 very high performance double speed winding of slot, to improve the breadth coefficient of winding, reduce winding harmonic content and harmonic amplitude, to drop
Low 8/12 electrode two-speed motor noise improves 8/12 electrode two-speed motor efficiency.
Summary of the invention
The purpose of this utility model is to provide a kind of not equal 72 slot of circles, the 8/12 very high performance double speed windings of permanent torque, should
The winding coefficient of winding is high, and the harmonic wave state of winding is good；The application of the utility model winding can be improved motor performance, reduce at
This, high-efficient, temperature rise and low noise.
To achieve the above object, the technical solution of the utility model is: a kind of not equal 72 slot 8/12 of circles of permanent torque is high
The structure type of performance double speed winding, the motor including stator and rotor with 72 slots, winding is 3Y/3Y+Y, i.e., 8 extremely
When 3 road stars connect, 12 extremely 3 road stars are connect and star connects tandem-type connection all the way.
Further, the specific wiring of winding construction are as follows: 8 pole U phases input respectively through the 8 pole U phase first branchs, 8 pole U phases
Two branches, 8 pole U phase third branches and one end of 12 pole U phase branches, one end of 12 pole V phase branches, 12 pole W phase branches one end
Connection, 8 pole V phases input respectively through the 8 pole V phase first branchs, 8 pole V phase second branchs, 8 pole V phase third branches and 12 pole U phase branch
One end connection of the one end on road, one end of 12 pole V phase branches, 12 pole W phase branches, 8 pole W phases input respectively through 8 pole W phases first
Road, 8 pole W phase second branchs, 8 pole W phase third branches and one end of 12 pole U phase branches, one end of 12 pole V phase branches, 12 pole W phases
One end of branch connects, the other end company of the other end of 12 pole U phase branches, the other end of 12 pole V phase branches, 12 pole W phase branches
Connect inputted respectively with 12 pole U phases, 12 pole V phases input, 12 pole W phases are inputted and connect.
Further, the 8 pole U phase first branch connection structure are as follows: slot number is 1,2,3,37,38,39 corresponding coils
Successively end to end, slot number is inputted with 8 pole U phases for the input terminal of 1 corresponding coil and is connect；The 8 pole U phase second branch connection
Structure are as follows: slot number is that -10, -11, -12, -46, -47, -48 corresponding coils are successively end to end, and slot number is -10 corresponding lines
The input terminal of circle is inputted with 8 pole U phases and is connect；The 8 pole U phase third bypass connection are as follows: slot number be 20,21, -28,56,
57, -64 corresponding coils are successively end to end, and slot number is inputted with 8 pole U phases for the input terminal of 20 corresponding coils and connect；Described 8
Pole V phase first branch connection structure are as follows: slot number is that 25,26,27,61,62,63 corresponding coils are successively end to end, and slot number is
The input terminal of 25 corresponding coils is inputted with 8 pole V phases and is connect；The 8 pole V phase second branch connection structure are as follows: slot number be -34, -
35, -36, -70, -71, -72 corresponding coils are successively end to end, and slot number is the input terminal and 8 pole V phases of -34 corresponding coils
Input connection；The 8 pole V phase third bypass connection are as follows: slot number is that 8,9, -16,44,45, -52 corresponding coils are successively first
Tail connects, and slot number is inputted with 8 pole V phases for the input terminal of 8 corresponding coils and connect；The 8 pole W phase first branch connection structure
Are as follows: slot number be 13,14,15,49,50,51 corresponding coils it is successively end to end, slot number be 13 corresponding coils input terminal with
8 pole W phases input connection；The 8 pole W phase second branch connection structure are as follows: slot number is -22, -23, -24, -58, -59, -60 corresponding
Coil it is successively end to end, slot number is that the input terminal of -22 corresponding coils is inputted with 8 pole W phases and connect；The 8 pole W phase third
Bypass connection are as follows: slot number is that -4,32,33, -41,68,69 corresponding coils are successively end to end, and slot number is -4 corresponding
The input terminal of coil is inputted with 8 pole W phases and is connect；The 12 pole U phase bypass connection are as follows: slot number be -66, -54, -42, -
30, -18, -6 corresponding coils are successively end to end, and slot number is inputted with 12 pole U phases for the input terminal of -66 corresponding coils and connect；
The 12 pole V phase bypass connection are as follows: slot number is that 67,55,43,31,19,7 corresponding coils are successively end to end, and slot number is
The input terminal of 67 corresponding coils is inputted with 12 pole V phases and is connect；The 12 pole W phase bypass connection are as follows: slot number be -65, -
53, -40, -29, -17, -5 corresponding coils are successively end to end, and slot number is the input terminal and 12 pole W phases of -65 corresponding coils
Input connection.
Compared to the prior art, the utility model has the following beneficial effects: the winding coefficient of the utility model winding is high,
The harmonic wave state of winding is good；Motor performance can be improved in the application of the utility model winding, reduces cost, high-efficient, temperature rise and
Low noise.
Detailed description of the invention
Fig. 1 is the 72 slot double speed winding principles and wiring diagram of reverse pole-conversion method.
Fig. 2 is not equal 72 slot of circles, the 8/12 very high performance double speed winding principle and wiring diagram of the utility model permanent torque.
Specific embodiment
With reference to the accompanying drawing, the technical solution of the utility model is specifically described.
The utility model provides a kind of not equal 72 slot of circles, the 8/12 very high performance double speed winding of permanent torque, including has 72
The stator of slot and the motor of rotor, the structure type of winding are 3Y/3Y+Y, i.e., 8 when extremely 3 road stars connect, and 12 extremely 3 road stars connect
Star connects tandem-type connection all the way.
Further, the specific wiring of winding construction are as follows: 8 pole U phases input respectively through the 8 pole U phase first branchs, 8 pole U phases
Two branches, 8 pole U phase third branches and one end of 12 pole U phase branches, one end of 12 pole V phase branches, 12 pole W phase branches one end
Connection, 8 pole V phases input respectively through the 8 pole V phase first branchs, 8 pole V phase second branchs, 8 pole V phase third branches and 12 pole U phase branch
One end connection of the one end on road, one end of 12 pole V phase branches, 12 pole W phase branches, 8 pole W phases input respectively through 8 pole W phases first
Road, 8 pole W phase second branchs, 8 pole W phase third branches and one end of 12 pole U phase branches, one end of 12 pole V phase branches, 12 pole W phases
One end of branch connects, the other end company of the other end of 12 pole U phase branches, the other end of 12 pole V phase branches, 12 pole W phase branches
Connect inputted respectively with 12 pole U phases, 12 pole V phases input, 12 pole W phases are inputted and connect.
Further, the 8 pole U phase first branch connection structure are as follows: slot number is 1,2,3,37,38,39 corresponding coils
Successively end to end, slot number is inputted with 8 pole U phases for the input terminal of 1 corresponding coil and is connect；The 8 pole U phase second branch connection
Structure are as follows: slot number is that -10, -11, -12, -46, -47, -48 corresponding coils are successively end to end, and slot number is -10 corresponding lines
The input terminal of circle is inputted with 8 pole U phases and is connect；The 8 pole U phase third bypass connection are as follows: slot number be 20,21, -28,56,
57, -64 corresponding coils are successively end to end, and slot number is inputted with 8 pole U phases for the input terminal of 20 corresponding coils and connect；Described 8
Pole V phase first branch connection structure are as follows: slot number is that 25,26,27,61,62,63 corresponding coils are successively end to end, and slot number is
The input terminal of 25 corresponding coils is inputted with 8 pole V phases and is connect；The 8 pole V phase second branch connection structure are as follows: slot number be -34, -
35, -36, -70, -71, -72 corresponding coils are successively end to end, and slot number is the input terminal and 8 pole V phases of -34 corresponding coils
Input connection；The 8 pole V phase third bypass connection are as follows: slot number is that 8,9, -16,44,45, -52 corresponding coils are successively first
Tail connects, and slot number is inputted with 8 pole V phases for the input terminal of 8 corresponding coils and connect；The 8 pole W phase first branch connection structure
Are as follows: slot number be 13,14,15,49,50,51 corresponding coils it is successively end to end, slot number be 13 corresponding coils input terminal with
8 pole W phases input connection；The 8 pole W phase second branch connection structure are as follows: slot number is -22, -23, -24, -58, -59, -60 corresponding
Coil it is successively end to end, slot number is that the input terminal of -22 corresponding coils is inputted with 8 pole W phases and connect；The 8 pole W phase third
Bypass connection are as follows: slot number is that -4,32,33, -41,68,69 corresponding coils are successively end to end, and slot number is -4 corresponding
The input terminal of coil is inputted with 8 pole W phases and is connect；The 12 pole U phase bypass connection are as follows: slot number be -66, -54, -42, -
30, -18, -6 corresponding coils are successively end to end, and slot number is inputted with 12 pole U phases for the input terminal of -66 corresponding coils and connect；
The 12 pole V phase bypass connection are as follows: slot number is that 67,55,43,31,19,7 corresponding coils are successively end to end, and slot number is
The input terminal of 67 corresponding coils is inputted with 12 pole V phases and is connect；The 12 pole W phase bypass connection are as follows: slot number be -65, -
53, -40, -29, -17, -5 corresponding coils are successively end to end, and slot number is the input terminal and 12 pole W phases of -65 corresponding coils
Input connection.
The following are specific embodiment of the utility model.
The 8/12 pole motor double speed winding of high-performance constant torque of the utility model is obtained using the design of commutation method, so-called to change
Xiang Fa,
Refer to 8 extremely under each phase coil divide equally in the three-phase of 12 poles, in turn.
This 8/12 pole double speed winding, 8 are extremely equivalent to down 60 ° of facies tracts, and 12 are extremely equivalent to down 120 ° of facies tracts, this belongs to regular
Facies tract, 6,12 pole of pitch is whole square, is to meet design of electrical motor to be preferably selected.
In short, there is higher winding coefficient under two numbers of poles, pitch and cooperation is treated each other rationally, and humorous under each number of poles
It is low that wave number content lacks harmonic amplitude.
As shown in Fig. 2, being the 8/12 pole motor double speed winding principle of high-performance constant torque and wiring diagram of the utility model.
Permanent torque verifying:
Following formula is obtained according to Electrical Motor principle
T12/T8 ≈ B12/B8=E12 × p12 × w8 × Kw8/ (E8 × p8 × w12 × Kw12)=9/8 ≈ 1
Note: T12 and T8, B12 and B8, E12 and E8, p12 and p8, w12 and w8, Kw12 and Kw8 be respectively 12 poles and 8 extremely under
Torque, air gap flux density, potential, number of poles, turns-in-series, winding coefficient.
That is T12 ≈ T8 is suitble to invariable power.
It is the preferred embodiment of the utility model above, it is all to change according to made by technical solutions of the utility model, it is produced
Function without departing from technical solutions of the utility model range when, belong to the protection scope of the utility model.
Claims (3)
1. a kind of not equal 72 slot of circles, the 8/12 very high performance double speed winding of permanent torque, including stator and rotor with 72 slots
Motor, which is characterized in that the structure type of winding is 3Y/3Y+Y, i.e., 8 when extremely 3 road stars connect, and 12 extremely 3 road stars connect and all the way
Star connects tandem-type connection.
2. not equal 72 slot of circles, the 8/12 very high performance double speed winding of permanent torque according to claim 1, which is characterized in that around
The specific wiring of group structure are as follows: 8 pole U phases input respectively through the 8 pole U phase first branchs, 8 pole U phase second branchs, 8 pole U phase third branch
Road is connect with one end of one end of 12 pole U phase branches, one end of 12 pole V phase branches, 12 pole W phase branches, and 8 pole V phases input difference
One end, 12 pole V phase branches through the 8 pole V phase first branchs, 8 pole V phase second branchs, 8 pole V phase third branches with 12 pole U phase branches
One end, 12 pole W phase branches one end connection, 8 pole W phases input respectively through the 8 pole W phase first branchs, 8 pole W phase second branchs, 8
Pole W phase third branch is connect with one end of one end of 12 pole U phase branches, one end of 12 pole V phase branches, 12 pole W phase branches, 12 poles
The other end of U phase branch, the other end of 12 pole V phase branches, 12 pole W phase branches the other end connection inputted respectively with 12 pole U phases,
12 pole V phases input, 12 pole W phases input connection.
3. not equal 72 slot of circles, the 8/12 very high performance double speed winding of permanent torque according to claim 2, which is characterized in that institute
State 8 pole U phase first branch connection structures are as follows: slot number is that 1,2,3,37,38,39 corresponding coils are successively end to end, and slot number is 1
The input terminal of corresponding coil is inputted with 8 pole U phases and is connect；The 8 pole U phase second branch connection structure are as follows: slot number be -10, -
11, -12, -46, -47, -48 corresponding coils are successively end to end, and slot number is the input terminal and 8 pole U phases of -10 corresponding coils
Input connection；The 8 pole U phase third bypass connection are as follows: slot number be 20,21, -28,56,57, -64 corresponding coils successively
End to end, slot number is inputted with 8 pole U phases for the input terminal of 20 corresponding coils and is connect；The 8 pole V phase first branch connection knot
Structure are as follows: slot number is that 25,26,27,61,62,63 corresponding coils are successively end to end, and slot number is the input terminal of 25 corresponding coils
It inputs and connect with 8 pole V phases；The 8 pole V phase second branch connection structure are as follows: slot number is -34, -35, -36, -70, -71, -72 pairs
The coil answered is successively end to end, and slot number is inputted with 8 pole V phases for the input terminal of -34 corresponding coils and connect；The 8 pole V phase
Three bypass connections are as follows: slot number is that 8,9, -16,44,45, -52 corresponding coils are successively end to end, and slot number is 8 corresponding
The input terminal of coil is inputted with 8 pole V phases and is connect；The 8 pole W phase first branch connection structure are as follows: slot number be 13,14,15,49,
50,51 corresponding coils are successively end to end, and slot number is inputted with 8 pole W phases for the input terminal of 13 corresponding coils and connect；Described 8
Pole W phase second branch connection structure are as follows: slot number is that -22, -23, -24, -58, -59, -60 corresponding coils are successively end to end,
Slot number is inputted with 8 pole W phases for the input terminal of -22 corresponding coils and is connect；The 8 pole W phase third bypass connection are as follows: slot number
Successively end to end for -4,32,33, -41,68,69 corresponding coils, slot number is the input terminal and 8 pole W phases of -4 corresponding coils
Input connection；The 12 pole U phase bypass connection are as follows: slot number be -66, -54, -42, -30, -18, -6 corresponding coils successively
End to end, slot number is inputted with 12 pole U phases for the input terminal of -66 corresponding coils and is connect；The 12 pole V phase bypass connection
Are as follows: slot number be 67,55,43,31,19,7 corresponding coils it is successively end to end, slot number be 67 corresponding coils input terminal with
12 pole V phases input connection；The 12 pole W phase bypass connection are as follows: slot number is -65, -53, -40, -29, -17, -5 corresponding
Coil is successively end to end, and slot number is inputted with 12 pole W phases for the input terminal of -65 corresponding coils and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920134210.8U CN209313671U (en) | 2019-01-26 | 2019-01-26 | Not equal 72 slot of circles, the 8/12 very high performance double speed winding of permanent torque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920134210.8U CN209313671U (en) | 2019-01-26 | 2019-01-26 | Not equal 72 slot of circles, the 8/12 very high performance double speed winding of permanent torque |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209313671U true CN209313671U (en) | 2019-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920134210.8U Active CN209313671U (en) | 2019-01-26 | 2019-01-26 | Not equal 72 slot of circles, the 8/12 very high performance double speed winding of permanent torque |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209313671U (en) |
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- 2019-01-26 CN CN201920134210.8U patent/CN209313671U/en active Active
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