CN206922515U - Double remaining stators and double remaining motors - Google Patents
Double remaining stators and double remaining motors Download PDFInfo
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- CN206922515U CN206922515U CN201720407521.8U CN201720407521U CN206922515U CN 206922515 U CN206922515 U CN 206922515U CN 201720407521 U CN201720407521 U CN 201720407521U CN 206922515 U CN206922515 U CN 206922515U
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Abstract
The utility model provides a kind of double remaining stators and double remaining motors, double remaining stators include stator core, the inner circumferential of the stator core has 6k the first teeth being distributed uniformly and circumferentially, and the k is positive integer, and is arranged with coil on every one first tooth；The first set winding being made up of 3k coil on 3k the first teeth is connected to the first power supply unit, and second set of winding being made up of 3k coil on other 3k the first teeth is connected to the second power supply unit；The inner circumferential of the stator core also has 6k the second teeth, and the 6k the second teeth and the 6k the first teeth are along the circumferential direction alternately distributed.By increasing the second tooth of not coiling between adjacent the first tooth on stator core, the physics that two adjacent coils can be achieved is thermally isolated the utility model.Also, the utility model realizes magnetic circuit decoupling completely between double winding, uneoupled control simultaneously can be carried out to double winding by carrying out rational deployment to double winding.
Description
Technical field
Machine field is the utility model is related to, more specifically to a kind of double remaining stators and double remaining motors.
Background technology
In the propulsion system on electricity/electric aircraft, electric automobile, naval vessel etc. more, the reliability of electric system is most important,
It is more at present using double remaining motors or multi-phase motor system to improve reliability.And double remaining motors or multi-phase motor system
It has been increasingly becoming a kind of trend of highly reliable motor application field.
In current double remaining electric systems, generally by conventional motors it is single cover armature winding be changed to two sets it is independently-powered
Armature winding；In nominal situation, by first set armature winding power output or two sets of armature winding while power output；When
When a set of armature winding breaks down, second set of armature winding is switched to work independently, to ensure that continuous power exports.
The A of Publication No. 102035271 Chinese patent discloses a kind of dual redundant winding electricity using concentratred winding structure
Machine, its double winding coil share same teeth groove.The A of Publication No. 104617687 Chinese patent application then discloses one kind
Using the double-winding motor stator of double-deck concentratred winding structure, ectonexine is divided to be wound with double winding on the same tooth of its stator.It is public
The number of opening is that 103269137 A Chinese patent application then discloses a kind of double winding electricity for equally using double-deck concentratred winding structure
Machine structure, its double winding are similarly positioned in a teeth groove.
In above-mentioned double winding scheme, because two sets of armature winding are located in same teeth groove, thermal coupling be present, when one
When set winding failure burns, another set of winding risk is larger.And also need to use substantial amounts of insulation material between double winding
Material, adds electric system cost.In addition, mutual inductance is larger between double winding being also present in above-mentioned double winding scheme, magnetic circuit is mutual
Coupling, the problems such as Uncoupling Control Based difficulty is larger.
Utility model content
The technical problems to be solved in the utility model is, is located at same groove for the double winding of above-mentioned double remaining motors
It is interior, thermal coupling be present, while the problems such as mutual inductance is larger between two windings, and magnetic circuit intercouples, and Uncoupling Control Based difficulty is larger, carry
For a kind of new double remaining stators and double remaining motors.
The technical scheme that the utility model solves above-mentioned technical problem is to provide a kind of double remaining stators, including stator iron
Core, the inner circumferential of the stator core have 6k the first teeth being distributed uniformly and circumferentially, and the k is positive integer, and each
Coil is arranged with first tooth；The first set winding being made up of 3k coil on 3k the first teeth is connected to the first power supply
Unit, second set of winding being made up of 3k coil on other 3k the first teeth are connected to the second power supply unit, and described the
A set of winding and second set of winding are in be alternately distributed on the 6k the first teeth；The inner circumferential of the stator core also has
6k the second teeth, and the 6k the second teeth and the 6k the first teeth are along the circumferential direction alternately distributed, with to adjacent first
Two coils on tooth are physically separated.
In double remaining stators described in the utility model, the line of same phase in the first set winding and second set of winding
Circle is separated by 6 teeth groove.
In double remaining stators described in the utility model, the first set winding includes the first U phase coils, the first V phases
Coil, the first W phase coils, and the first U phase coils, the first V phase coils, the first W phase coils are separated by 4 teeth groove respectively；Institute
Stating second set of winding includes the 2nd U phase coils, the 2nd V phase coils, the 2nd W phase coils, and the 2nd U phase coils, the 2nd V phases
Coil, the 2nd W phase coils are separated by 4 teeth groove respectively.
In double remaining stators described in the utility model, the number of turn of each coil in the first set winding is identical；
The number of turn of each coil in second set of winding is identical.
In double remaining stators described in the utility model, the ratio between width of the width of second tooth and first tooth
For 0.2~1.
The utility model also provides a kind of double remaining motors, including rotor, two inverters and as above described in any one
Double remaining stators, described two inverters are connected respectively to the first power supply unit and the second power supply unit.
In double remaining motors described in the utility model, the number of poles of the rotor is 10k, the tooth of double remaining stators
Slot number is 12k, each phase coil of second set of winding around to each phase coil with first set winding around to opposite.
In double remaining motors described in the utility model, the number of poles of the rotor is 8k, the tooth of double remaining stators
Slot number is 12k, each phase coil of second set of winding around to each phase coil with first set winding around to identical.
In double remaining motors described in the utility model, double remaining motors also include switch unit, the switching
Unit is connected with two inverters respectively, and for switching the working condition of two inverters.
In double remaining motors described in the utility model, the rotor is surface-mounted rotor, built-in radial formula rotor, interior
Put tangential rotor, multilayer magnetic steel rotor, mixed magnetic circuit rotor or Halbach array rotor.
Double remaining stators described in the utility model and double remaining motors, by adjacent the first tooth on stator core it
Between increase the second tooth of not coiling, the physics that two adjacent coils can be achieved is thermally isolated, and eliminates the insulation of adjacent windings
Material.Also, the utility model to double winding by carrying out rational deployment, and magnetic circuit completely decouples between realizing double winding,
Uneoupled control simultaneously can be carried out to double winding.
Brief description of the drawings
Fig. 1 is the schematic diagram of the double remaining nanostator embodiments of the utility model；
Fig. 2 is the wiring schematic diagram of first set winding and second set of winding in the double remaining stators of the utility model；
Fig. 3 is the schematic diagram of double remaining motor embodiments of the invention.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
As shown in figure 1, be the schematic diagram of the double remaining nanostator embodiments of the utility model, it is double in the utility model embodiment
Remaining stator uses 24 teeth groove concentratred winding structures, and is wound with two sets of three-phase symmetric windings, and this pair of remaining stator can be applied to have
Have in the motor of high reliability.Double remaining stators of the present embodiment include stator core 10, and the inner circumferential of the stator core 10 has
Alternatively distributed 12 the first teeth 11 and 12 the second teeth 12, above-mentioned 12 the first teeth 11 in the inner circumferential of stator core circumferentially
Direction is uniformly distributed.Said stator iron core 10 is formed by silicon steel sheet punching is folded, can use integral structure, splicing structure or tooth yoke
Separate structure, or other achievable modes, are not limited herein.First tooth 11 and the second tooth 12 then with stator core 10
Yoke portion (i.e. annular section) is integrally formed whole stator core 10.
The ratio between the width (i.e. circumferential size) of above-mentioned second tooth 12 and the width (i.e. circumferential size) of the first tooth 11 can
For 0.2~1, by this way, it is ensured that the magnetic flux density of the first tooth 11 and the second tooth 12 is essentially identical, while increases the first tooth
11 and the width of the second teeth groove between tooth 12, improve power density.
It is arranged with a coil on each tooth in above-mentioned 12 the first teeth 11, the second tooth 12 then not coiling is that is, whole
On individual stator core 10 have 12 coil U1-1, U1-2, V1-1, V1-2, W1-1, W1-2, U2-1, U2-2, V2-1, V2-2,
W2-1、W2-2.It is separated by due to being arranged with the second tooth 12 that there is not coiling between the first tooth 11 of coil, the second tooth 12 can be made
For part magnetic circuit and fault-tolerant teeth, two coils on the first adjacent tooth 11 can be physically separated, reliability is higher, simultaneously
Save electric system insulating materials.
12 U1-1, U1-2, V1-1, V1-2, W1-1, W1-2, U2-1, U2-2, V2-1, V2-2, W2-1, W2-2 points of coils
For two sets of armature winding (coil spacing distribution) in two sets of armature winding, wherein：First set winding includes two the first U phase lines
U1-1, U1-2, two the first V phase coils V1-1, V1-2 and two the first W phase coil W1-1, W1-2 are enclosed, and in first set winding
6 coils U1-1, U1-2, V1-1, V1-2, W1-1, W1-2 be connected to the first power supply unit (as shown in Fig. 2 first set winding
In 6 coils U1-1, U1-2, V1-1, V1-2, W1-1, W1-2 be connected to U1, V1, W1 and O1 tetra- of the first power supply unit
Binding post)；Second set of winding includes two the 2nd U phase coils U2-1, U2-2, two the 2nd V phase coils V2-1, V2-2, two
Individual 2nd W phase coil W2-1, W2-2, and 6 coils U2-1, U2-2, V2-1, V2-2, W2-1, W2-2 in second set of winding
Then be connected to the second power supply unit (as shown in Fig. 26 coil U2-1, U2-2, V2-1, V2-2, W2-1 in second set of winding,
W2-2 is then connected to tetra- binding posts of U2, V2, W2 and O2 of the second power supply unit) and the coil in first set winding and second
Coil in set winding is alternately arranged.Because first set winding and second set of winding are respectively by the first separate power supply unit
(the first power supply unit and the second power supply unit connect different inverters, and first power supply respectively with the power supply of the second power supply unit
The supply voltage of unit and the second power supply unit may be the same or different), therefore when first set winding breaks down or even burnt,
Second set of winding can cut work at once, realize double remaining fault tolerances.Due to having physical isolation between double winding, can be achieved
Electricity, magnetic, the triple decouplings of heat, reliability are high.
Especially, the number of turn of each coil U1-1, U1-2, V1-1, V1-2, W1-1, W1-2 in first set winding are identical, the
Each coil U2-1, U2-2, V2-1, V2-2, W2-1, W2-2 number of turn in two sets of windings is identical.And each line in first set winding
Enclose U1-1, U1-2, V1-1, V1-2, W1-1, W1-2 number of turn and each coil U2-1, U2-2, V2-1, V2- in second set of winding
2nd, W2-1, W2-2 may be the same or different, and specifically can determine each coil turn of double winding according to the power distribution relation of double winding
Number ratio.
For ease of uneoupled control, 6 teeth groove of coil spacing of same phase in first set winding and second set of winding can be made.
In the present embodiment, using rotor number of poles and number of stator slots, (i.e. rotor number of poles is 10k, and number of stator slots is for 10k/12k cooperation
12k), and k=2, then the coil of same phase respectively on first tooth 11 at 90 ° of interval, and around on the contrary, such as first set around
The first tooth 11 where the coil U2-1 in coil U1-1 and second set of winding in group is spaced 90 °, the line in first set winding
90 ° of the first tooth 11 interval enclosed where the coil U2-2 in U1-2 and second set winding, coil W1-1 in first set winding and
The first tooth 11 where coil W2-1 in second set of winding is spaced 90 °.By the above-mentioned means, so that double winding mutual inductance almost
For 0, no flux coupled, it is easy to realize double winding uneoupled control simultaneously.
In above-mentioned double remaining stators, two coils of first set winding and the same phase in second set of winding can basis
Power demand, application scenario etc. take in parallel or series mode (as shown in Fig. 2 two coils of the same phase of first set winding
It is connected in series, two coils from parallel connection of coils connection of the same phase of second set of winding), and 180 ° of two coil spacings.Such as first
Two the first U phase coils U1-1, the U1-2 covered in winding are located on two first teeth 11 at 180 ° of interval respectively；Two the first V
Phase coil V1-1, V1-2 are located on two first teeth 11 at 180 ° of interval respectively；Two the first W phase coils W1-1, W1-2 difference
On 180 ° of two the first teeth 11 in interval.
In first set winding and second set of winding, between each phase winding Y shape Topology connection or triangle topology can be used to connect
Connect mode.U1 phase coils, V1 phase coils, the W1 phase coils of first set winding are separated by 4 teeth groove, the U2 phases of second set of winding respectively
Coil, V2 phase coils, W2 phase coils are separated by 4 teeth groove respectively.Such as in the present embodiment, the first U phase coils U1-1, U1-2,
First V phase coils V1-1, V1-2, the first W phase coils W1-1, W1-2 are located on first tooth 11 at 120 ° of interval respectively；Similarly,
In second set of winding, the 2nd U phase coils U2-1, U2-2, the 2nd V phase coils V2-1, V2-2, the 2nd W phase coils W2-1, W2-2
It is located at respectively 11 on first tooth at 120 ° of interval.
Said structure can be applied not only to double remaining motors of two sets of three-phase windings, apply also for other kinds of double remaining
Each phase in degree motor, such as every suit winding can be a coil or more than two coils, as long as now adjusting stator
The quantity of the first tooth 11 and the second tooth 12 and the distribution mode of the coil on the first tooth 11 on iron core 10.That is stator iron
The inner circumferential of core has 6k the first teeth being distributed uniformly and circumferentially and 6k the second teeth (k is positive integer), and 6k first
Tooth and 6k the second teeth are along the circumferential direction alternately distributed；Coil is arranged with every one first tooth, by 3k on 3k the first teeth
The first set winding that coil is formed is connected to the first power supply unit, second be made up of 3k coil on other 3k the first teeth
Set winding is connected to the second power supply unit, and first set winding and second set of winding are arranged alternately on the first tooth.
As shown in figure 3, the utility model also provides a kind of double remaining motors, this pair of remaining motor includes rotor 20, two
Inverter and above-mentioned double remaining stators 10, two of which inverter is connected respectively to the first power supply unit and the second power supply is single
Member, so as to which the first set winding on respectively double remaining stators 10 and second set of winding are independently-powered, realize the fault-tolerant work(of double remainings
Energy.
Double remaining motors use 10k/12k structures (i.e. the number of poles of rotor 20 for 10k, the teeth groove number of double remaining stators 10
For 12k) when, each phase coil of second set of winding around to each phase coil with first set winding around to opposite.And in double remainings electricity
When machine uses 8k/12k structures (i.e. for the number of poles of rotor 20 for 8k, the teeth groove number of double remaining stators 10 is 12k), second set of winding
Each phase coil around to each phase coil with first set winding around to identical.Above-mentioned double remaining motors may also include switch unit, should
Switch unit is connected with two inverters respectively, and for switching the working condition of two inverters.Such as when first set winding
When breaking down or even burning, switch unit makes the inverter of the power supply unit of connection first stop exporting and connection second is powered
The inverter of unit makes second set of winding cut work at once to second set of winding output drive signal.
In above-mentioned double remaining motors, rotor 20 can use various magnetic structures, such as rotor to turn for surface-mount type
Son, built-in radial formula rotor (I types), built-in tangential formula rotor (Spoke types), multilayer magnetic steel rotor, mixed magnetic circuit rotor (" V ",
" V+I " etc.) or Halbach (Halbach) array rotor etc..
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should
It is defined by scope of the claims.
Claims (10)
1. a kind of double remaining stators, including stator core, there are the inner circumferential of the stator core 6k along the circumferential direction uniformly to be divided
First tooth of cloth, the k is positive integer, and is arranged with coil on each first tooth；By 3k line on 3k the first teeth
The first set winding that circle is formed is connected to the first power supply unit, second set be made up of 3k coil on other 3k the first teeth
Winding is connected to the second power supply unit, and the first set winding and second set of winding are submitted on the 6k the first teeth
For distribution；It is characterized in that：The inner circumferential of the stator core also has 6k the second teeth, and the 6k the second teeth and the 6k
Individual first tooth is along the circumferential direction alternately distributed, to be physically separated to two coils on the first adjacent tooth.
2. double remaining stators according to claim 1, it is characterised in that：The first set winding and second set of winding
In the coil of same phase be separated by 6 teeth groove.
3. double remaining stators according to claim 1, it is characterised in that：The first set winding include the first U phase coils,
First V phase coils, the first W phase coils, and the first U phase coils, the first V phase coils, the first W phase coils are separated by 4 respectively
Teeth groove；Second set of winding include the 2nd U phase coils, the 2nd V phase coils, the 2nd W phase coils, and the 2nd U phase coils,
2nd V phase coils, the 2nd W phase coils are separated by 4 teeth groove respectively.
4. double remaining stators according to claim 1, it is characterised in that：The circle of each coil in the first set winding
Number is identical；The number of turn of each coil in second set of winding is identical.
5. double remaining stators according to claim 1, it is characterised in that：The width of second tooth and first tooth
The ratio between width is 0.2~1.
A kind of 6. double remaining motors, it is characterised in that：Including rotor, two inverters and such as any one of claim 1-5
Described double remaining stators, described two inverters are connected respectively to the first power supply unit and the second power supply unit.
7. double remaining motors according to claim 6, it is characterised in that：The number of poles of the rotor is 10k, double remainings
The teeth groove number of stator is 12k, each phase coil of second set of winding around to each phase coil with first set winding around to opposite.
8. double remaining motors according to claim 6, it is characterised in that：The number of poles of the rotor is 8k, double remainings
The teeth groove number of stator is 12k, each phase coil of second set of winding around to each phase coil with the first set winding around to
It is identical.
9. double remaining motors according to claim 6, it is characterised in that：Double remaining motors also include switch unit,
The switch unit is connected with two inverters respectively, and for switching the working condition of two inverters.
10. double remaining motors according to claim 6, it is characterised in that：The rotor is surface-mounted rotor, built-in radial
Formula rotor, built-in tangential formula rotor, multilayer magnetic steel rotor, mixed magnetic circuit rotor or Halbach array rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720407521.8U CN206922515U (en) | 2017-04-18 | 2017-04-18 | Double remaining stators and double remaining motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720407521.8U CN206922515U (en) | 2017-04-18 | 2017-04-18 | Double remaining stators and double remaining motors |
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| Publication Number | Publication Date |
|---|---|
| CN206922515U true CN206922515U (en) | 2018-01-23 |
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ID=61305882
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720407521.8U Active CN206922515U (en) | 2017-04-18 | 2017-04-18 | Double remaining stators and double remaining motors |
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| Country | Link |
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| CN (1) | CN206922515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070016A (en) * | 2017-04-18 | 2017-08-18 | 苏州汇川联合动力系统有限公司 | Double remaining stators and double remaining motors |
-
2017
- 2017-04-18 CN CN201720407521.8U patent/CN206922515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070016A (en) * | 2017-04-18 | 2017-08-18 | 苏州汇川联合动力系统有限公司 | Double remaining stators and double remaining motors |
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Address after: 215000 52 tianedang Road, Yuexi, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou Huichuan United Power System Co.,Ltd. Address before: 215000 52 tianedang Road, Yuexi, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: SUZHOU HUICHUAN UNITED POWER SYSTEM Co.,Ltd. |