CN109088496A - Motor winding, motor and compressor - Google Patents
Motor winding, motor and compressor Download PDFInfo
- Publication number
- CN109088496A CN109088496A CN201811061971.1A CN201811061971A CN109088496A CN 109088496 A CN109088496 A CN 109088496A CN 201811061971 A CN201811061971 A CN 201811061971A CN 109088496 A CN109088496 A CN 109088496A
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- China
- Prior art keywords
- motor
- coil group
- coil
- switch
- winding
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- 238000004804 winding Methods 0.000 title claims abstract description 126
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Of Ac Motors In General (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The invention discloses a motor winding, a motor and a compressor, wherein the motor winding comprises a plurality of phase windings connected in parallel, each phase winding comprises a plurality of coil groups connected in parallel, and each coil group is provided with a control element for connecting and disconnecting each coil group. According to the invention, the control element is arranged on each coil group, so that the counter electromotive force required by the motor in different frequency sections can be adjusted, the torque of the motor is further adjusted, the adjustability of the operation scheme of the motor is increased, the torque and the rotating speed range of the motor can be wider by switching a plurality of operation schemes, and the motor can keep an optimal operation state when operating in different frequency sections, so that the energy consumption of the motor is reduced, and the efficiency of the motor is improved.
Description
Technical field
The present invention relates to technical field of motors, more particularly to a kind of machine winding, motor and compressor.
Background technique
The permanent magnetic synchronous motor structure that frequency-changeable compressor uses at present, electric machine structure mostly be it is fixed, compressor was run
It is revolving speed and the torque that motor is adjusted by controller in journey.Within air-conditioning systems, compressor is in different rotating speeds and torque conditions
Under, the revolving speed and torque range of motor are bigger.But since motor is fixed structure, motor operation scheme is not in the process of running
It changes, is adjusted by controller, cannot guarantee that motor in different frequency sections operation all in optimal operating status.Example
Such as, motor needs winding back emf high when low frequency section is run, and motor torque is high, so as to reduce automatically controlled loss, improves electricity
Engine efficiency, and then improve compressor efficiency；Motor needs winding back emf lower when high-frequency section is run, and motor torque is low,
To reduce motor power consumption, motor and compressor efficiency are improved.
Summary of the invention
The object of the present invention is to provide a kind of machine winding, motor and compressors, and motor can be made to run in different frequency sections
When reach optimal operating status, improve electric efficiency.
The technical solution of the present invention is as follows: a kind of machine winding is provided, and including the polyphase windings being connected in parallel, every phase winding packet
The multiple coil groups being connected in parallel are included, each coil group is equipped with connection and disconnects the control element of each coil group.
The control element is switch.
Every phase winding includes three coil groups being connected in parallel, respectively first coil group, the second coil group and
Tertiary coil group, in which:
Switch S1 is set in the first coil group in every phase winding, and the switch S1 in the polyphase windings is closed at and breaks
It opens；
Switch S2 is set in the second coil group in every phase winding, and the switch S2 in the polyphase windings is closed at and breaks
It opens；
Switch S3 is set in the tertiary coil group in every phase winding, and the switch S3 in the polyphase windings is closed at and breaks
It opens.
The machine winding further includes controller, by the controller come the open and close of control switch.
Every phase winding connects power end, and the controller is connect with power end.
Each coil group includes at least one coil.
Each coil group is made of coil one by one, and the control element in each coil group is arranged in power end
Between a coil.
Each coil group is made of at least two coils being connected in series, the control element in each coil group
It is arranged between power end and one of coil.
The winding number of phases is three-phase.
The present invention also provides a kind of motors, including machine winding described above.
The motor is synchronous motor.
The present invention also provides a kind of compressors, including motor described above.
The compressor is frequency-changeable compressor.
For the present invention by the way that control element is arranged in each coil group, adjustable motor is anti-needed for different frequency sections
Potential, and then motor torque is adjusted, the adjustability of motor operation scheme is increased, multiple operating scheme switchings use, and can make electricity
The torque of machine and the range of speeds are wider, can make motor that can keep an optimal operation shape in different frequency sections operation
State improves the efficiency of motor to reduce the energy consumption of motor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of machine winding in the embodiment of the present invention.
Specific embodiment
As shown in Figure 1, the machine winding proposed in the embodiment of the present invention, including polyphase windings, polyphase windings are connected in parallel,
In the present embodiment, the winding number of phases is three-phase, respectively U phase winding, V phase winding and W phase winding, U phase winding, V phase winding and W phase
Winding parallel connection.Every phase winding includes the multiple coil groups being connected in parallel, and the number of the coil group in every phase winding is identical,
Each coil group is equipped with connection and disconnects the control element of each coil group.Control element is switch, preferably hilted broadsword list
Throw switch, but be not limited to switch.When closing the switch, coil group connection, when switch disconnects, coil group is disconnected.
One end of every phase winding connects power end, the other end ground connection of every phase winding.Polyphase windings connect different power supplys
End, by being in this present embodiment three-phase windings, then there are three power ends, respectively U phase power end, V phase power end for motor tool
With W phase power end, one end of U phase winding connects U phase power end, and one end of V phase winding connects V phase power end, and the one of W phase winding
End connection W phase power end.It should be noted that U phase power end, V phase power end and W phase power end are eventually incorporated to a total electricity
Source.Certainly, the quantity of power end can also only one, and one end of polyphase windings connects this power end.
Each coil group includes at least one coil.Each coil group can be with only one coil, in each coil group
Control element is arranged between power end and coil.Each coil group also can have at least two coils of series connection, often
Control element in a coil group is similarly disposed between power end and coil.
In the present embodiment, each coil group includes three coils being connected in series, and every phase winding includes being connected in parallel
Three coil groups, respectively first coil group 10, the second coil group 20 and tertiary coil group 30.
As shown in fig. 1, three coils of the first coil group 10 in U phase winding are respectively loop A 1-1, loop A 2-1
Three coils with loop A 3-1, the second coil group 20 in U phase winding are respectively loop A 1-2, loop A 2-2 and loop A 3-
Three coils of the tertiary coil group 30 in 2, U phase windings are respectively loop A 1-3, loop A 2-3 and loop A 3-3.
Three coils of the first coil group 10 in V phase winding are respectively coil B1-1, coil B2-1 and coil B3-1, V
Three coils of the second coil group 20 in phase winding are respectively in coil B1-2, coil B2-2 and coil B3-2, V phase winding
Three coils of tertiary coil group 30 are respectively coil B1-3, coil B2-3 and coil B3-3.
Three coils of the first coil group 10 in W phase winding are respectively coil C1-1, coil C2-1 and coil C3-1, W
Three coils of the second coil group 20 in phase winding are respectively in coil C1-2, coil C2-2 and coil C3-2, W phase winding
Three coils of tertiary coil group 30 are respectively coil C1-3, coil C2-3 and coil C3-3.
Switch S1 is set in the first coil group 10 in every phase winding, and the switch S1 in polyphase windings is closed at and breaks
It opens.The switch S1 and W in the first coil group 10 in switch S1, V phase winding in first coil group 10 i.e. in U phase winding
The switch S1 in first coil group 10 in phase winding is closed at, simultaneously switches off.
Switch S2 is set in the second coil group 20 in every phase winding, and the switch S2 in polyphase windings is closed at and breaks
It opens.The switch S2 and W in the second coil group 20 in switch S2, V phase winding in the second coil group 20 i.e. in U phase winding
The switch S2 in the second coil group 20 in phase winding is closed at, simultaneously switches off.
Switch S3 is set in the tertiary coil group 30 in every phase winding, and the switch S3 in the polyphase windings is closed at
And disconnection.The switch S3 in the tertiary coil group 30 in switch S3, V phase winding in tertiary coil group 30 i.e. in U phase winding
And the switch S3 in the tertiary coil group 30 in W phase winding is closed at, simultaneously switches off.
In the present embodiment, the switch S1 in the first coil group 10 in U phase winding is arranged in U phase power end and loop A 1-1
Between, the switch S2 in the second coil group 20 in U phase winding is arranged between U phase power end and loop A 1-2, in U phase winding
Tertiary coil group 30 on switch S3 be arranged between U phase power end and loop A 1-3.
Switch S1 in first coil group 10 in V phase winding is arranged between V phase power end and coil B1-1, V phase around
The tertiary coil between V phase power end and coil B1-2, in V phase winding is arranged in switch S2 in the second coil group 20 in group
Switch S3 in group 30 is arranged between V phase power end and coil B1-3.
Switch S1 in first coil group 10 in W phase winding is arranged between U phase power end and coil C1-1, W phase around
The tertiary coil between W phase power end and coil C1-2, in W phase winding is arranged in switch S2 in the second coil group 20 in group
Switch S3 in group 30 is arranged between W phase power end and coil C1-3.
When the switch S1 closure on U phase winding, V phase winding and W phase winding, and when switch S2 and S3 disconnection, machine winding
For three-phase windings in parallel, every phase winding is made of unicoil group, and the back-emf highest of motor, motor torque highest is suitble to
The operation of low frequency section.When switch S1 and the S2 closure in U phase winding, V phase winding and W phase winding, and when switch S3 disconnection, motor
Winding is three-phase windings in parallel, and every phase winding is made of two coil groups in parallel, and the back-emf of motor is declined, motor
Torque is declined, and is suitble to run in middle frequency band.When switch S1, S2 and S3 in U phase winding, V phase winding and W phase winding are complete
When portion is closed, machine winding is three-phase windings in parallel, and every phase winding is made of three coil groups in parallel, the back-emf of motor
Minimum, motor torque is minimum, is suitble to run in high-frequency section.
Motor is switched to the higher machine winding scheme of back-emf by control element when low frequency section is run, and increases
Motor torque reduces automatically controlled loss, improves electric efficiency.As electric machine frequency gradually rises, the torque needed is gradually reduced, and
And high back-emf be easy to cause the operation of high-frequency section unstable, adjusts the winding schemes of machine winding by control element at this time, by
Step reduces winding back emf, and motor is made to reach optimal operating status, reduces motor power consumption, improves electric efficiency.It is logical in this way
It crosses in each coil group and control element is set, back-emf of the adjustable motor needed for different frequency sections, and then adjust electricity
Machine torque increases the adjustability of motor operation scheme, and multiple operating scheme switchings use, and can make torque and the revolving speed model of motor
It encloses more extensively, can make motor that can keep an optimal operating status in different frequency sections, to reduce the energy of motor
Consumption, improves the efficiency of motor.
Machine winding further includes controller, by controller come the open and close of control switch.Controller can be according to negative
The difference of load carrys out the open and close of control switch, and the frequency band of motor operation is higher, loads lower.For example, motor low frequency
When Duan Yunhang, load is larger, and the back-emf needed is larger, can be closed switch S1 at this time, and switch S2 and S3 are disconnected, and makes motor
Back-emf is maximum；When motor high-frequency section is run, load is smaller, and required back-emf is small compared to low frequency section, can will open at this time
It closes S1, S2 and S3 to be all closed, so that winding back emf is minimum.
Controller is connect with power end, in the present embodiment, controller and U phase power end, V phase power end and W phase power end
It is separately connected.
Each coil group also may include two coils being connected in series, and every phase winding can also include being connected in parallel
Two coil groups, respectively first coil group and the second coil group.
The present invention also provides a kind of motors, and including above-mentioned machine winding, motor can be synchronous motor, specially permanent magnetism
Synchronous motor.
The present invention also provides a kind of compressors, and including above-mentioned motor, which is frequency-changeable compressor.
Machine winding, motor and compressor proposed by the present invention are increased by the way that control element is arranged in each coil group
The adjustability of motor operation scheme, multiple operating schemes switchings use, and the torque of motor and the range of speeds can be made wider, can be with
So that motor can keep an ideal operating status to mention to reduce the energy consumption of motor when different frequency sections are run
The high efficiency of motor improves pressure so that compressor can keep optimal operating status when different frequency sections are run
Contracting function effect.
Above specific embodiment is only to the design illustrated the present invention, and those skilled in the art are in this hair
Various deformation and variation can be made under bright design, these deformations and variation are included within protection scope of the present invention.
Claims (13)
1. a kind of machine winding, including the polyphase windings being connected in parallel, every phase winding includes the multiple coil groups being connected in parallel,
It is characterized in that, each coil group is equipped with connection and disconnects the control element of each coil group.
2. machine winding according to claim 1, which is characterized in that the control element is switch.
3. machine winding according to claim 2, which is characterized in that every phase winding includes three be connected in parallel
Coil group, respectively first coil group, the second coil group and tertiary coil group, in which:
Switch S1 is set in the first coil group in every phase winding, and the switch S1 in the polyphase windings is closed at and breaks
It opens；
Switch S2 is set in the second coil group in every phase winding, and the switch S2 in the polyphase windings is closed at and breaks
It opens；
Switch S3 is set in the tertiary coil group in every phase winding, and the switch S3 in the polyphase windings is closed at and breaks
It opens.
4. machine winding according to claim 2 or 3, which is characterized in that the machine winding further includes controller, is passed through
The controller carrys out the open and close of control switch.
5. machine winding according to claim 4, which is characterized in that every phase winding connects power end, the control
Device is connect with power end.
6. machine winding according to claim 1, which is characterized in that each coil group includes at least one coil.
7. machine winding according to claim 6, which is characterized in that each coil group is made of coil one by one,
Control element in each coil group is arranged between power end and a coil.
8. machine winding according to claim 6, which is characterized in that each coil group by be connected in series at least two
A coil is constituted, and the control element in each coil group is arranged between power end and one of coil.
9. machine winding according to claim 1, which is characterized in that the winding number of phases is three-phase.
10. a kind of motor, which is characterized in that including machine winding described in any one of claims 1 to 9.
11. motor according to claim 10, which is characterized in that the motor is synchronous motor.
12. a kind of compressor, which is characterized in that including motor described in claim 10 or 11.
13. compressor according to claim 12, which is characterized in that the compressor is frequency-changeable compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811061971.1A CN109088496A (en) | 2018-09-04 | 2018-09-04 | Motor winding, motor and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811061971.1A CN109088496A (en) | 2018-09-04 | 2018-09-04 | Motor winding, motor and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109088496A true CN109088496A (en) | 2018-12-25 |
Family
ID=64841455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811061971.1A Withdrawn CN109088496A (en) | 2018-09-04 | 2018-09-04 | Motor winding, motor and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109088496A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701288A (en) * | 2014-01-08 | 2014-04-02 | 洛阳市睿仕行智能科技发展有限公司 | Multi-winding motor |
| WO2018138396A1 (en) * | 2017-01-24 | 2018-08-02 | Tizona Motors Sl | Electric motor with configurable coil |
| CN208767879U (en) * | 2018-09-04 | 2019-04-19 | 珠海凌达压缩机有限公司 | Motor winding, motor and compressor |
-
2018
- 2018-09-04 CN CN201811061971.1A patent/CN109088496A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701288A (en) * | 2014-01-08 | 2014-04-02 | 洛阳市睿仕行智能科技发展有限公司 | Multi-winding motor |
| WO2018138396A1 (en) * | 2017-01-24 | 2018-08-02 | Tizona Motors Sl | Electric motor with configurable coil |
| CN208767879U (en) * | 2018-09-04 | 2019-04-19 | 珠海凌达压缩机有限公司 | Motor winding, motor and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181225 |
|
| WW01 | Invention patent application withdrawn after publication |