CN206585407U - Motor stator and unidirectional asynchronous machine and compressor - Google Patents
Motor stator and unidirectional asynchronous machine and compressor Download PDFInfo
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- CN206585407U CN206585407U CN201720340427.5U CN201720340427U CN206585407U CN 206585407 U CN206585407 U CN 206585407U CN 201720340427 U CN201720340427 U CN 201720340427U CN 206585407 U CN206585407 U CN 206585407U
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Abstract
The utility model is related to technical field of motors, discloses a kind of motor stator and unidirectional asynchronous machine and compressor.The motor stator includes stator body, the relative first coil of diameter and tertiary coil are circumferentially arranged at intervals with stator body, second coil and fourth coil relative with diameter, the circuit two ends of each coil are connected with respective binding post, second coil and tertiary coil being capable of positive wiring, so that first coil and tertiary coil are formed as main winding, second coil and the 4th coil are formed as auxiliary winding, so that motor stator is in the two poles of the earth state, to cause motor to provide a kind of rotating speed of scope, second coil and tertiary coil being capable of reverse wirings, so that four coils are all formed as main winding, so that motor stator is in quadrupole state, to cause motor to provide the rotating speed of another scope.So, compressor can suitably be driven with pole-changing control by being provided with the motor of the motor stator, to effectively realize air-conditioning cold flow regulation.
Description
Technical field
The utility model is related to technical field of motors, in particular it relates to a kind of motor stator, a kind of unidirectional asynchronous machine and
A kind of compressor.
Background technology
With the lifting of people's quality of the life, particularly in hot area, the popularity more and more higher of air-conditioning.It is known
It is that in the kind of refrigeration cycle of air-conditioning, compressor plays vital effect, and compressor suction low temperature low pressure gas passes through electricity
After machine operating band piston is compressed to it, the refrigerant gas of HTHP is discharged, power is provided for kind of refrigeration cycle, so that
Realize the kind of refrigeration cycle of compression → condensation → expansion → evaporation.
Meanwhile, variable pole adjustable speed motor is because in speed governing, without frequency converter, cost is low, and to power network no-harmonic wave pollution, again
The need of the operating mode of two or more fast, slow speed can be met, there is energy-saving effect and be used widely, for example, respectively
The variable pole adjustable speed motor of type is widely used in driving compressor.
And compressor usually requires to adjust the internal circulating load size of refrigerant in real time according to refrigeration demand, therefore, in order to
Realize that air-conditioning cold flow is adjusted, the utility model provides a kind of different unidirectional asynchronous machine.
Utility model content
The utility model provides a kind of motor stator, the motor stator can according to demand for control in time reverse,
So as to which after application all compressors, air-conditioning cold flow regulation can be effectively realized.
To achieve these goals, the utility model provides a kind of motor stator, including stator body, the stator body
Upper circumference is arranged at intervals with the relative first coil of diameter and tertiary coil, second coil and fourth coil relative with diameter,
The circuit two ends of each coil are connected with respective binding post, wherein, second coil and the tertiary coil can be just
To wiring so that the first coil and the tertiary coil are formed as main winding, second coil and the 4th coil
Be formed as auxiliary winding, so that motor stator is in the two poles of the earth state；Second coil and the tertiary coil can reverse wiring,
So that four coils are all formed as main winding, so that motor stator is in quadrupole state.
In the motor stator that the utility model is provided, because the second relative coil of not diameter and tertiary coil can be just
To wiring or reverse wiring, so, when the second coil and tertiary coil forward direction wiring, first coil and tertiary coil are formed as
Main winding, the second coil and the 4th coil are formed as auxiliary winding, and (such as the second coil and the 4th coil can connect electric capacity with phase shift
To form auxiliary winding) so that motor stator is formed as the two poles of the earth, to cause motor to provide a kind of rotating speed of scope, and when the
When two coil and tertiary coil reverse wiring, first coil, the second coil, tertiary coil and the 4th coil are all formed as main winding
(such as the second coil and the 4th coil can bypass electric capacity and power on to form main winding), to cause motor is provided another
The rotating speed of scope is planted, so, compressor can suitably be driven with pole-changing control by being provided with the motor of the motor stator, with effective
Realize that air-conditioning cold flow is adjusted in ground.
Further, in a circumferential direction, the first coil, second coil, the tertiary coil and described
Four coils are spaced 90 ° of arrangements successively.
Further, the principal phase stator tooth of the first coil and the tertiary coil is wound with the stator body
Circumferential lengths are more than the circumferential lengths for the parafacies stator tooth for being wound with second coil and the 4th coil.
Further, it is formed with and is opened along same circumferential direction from one end of stator tooth on the inner peripheral surface of each stator tooth
Begin the peripheral recess extended, wherein, the circumferential lengths of each peripheral recess are the one of the inner peripheral surface circumferential lengths of each stator tooth
Half.
In addition, the coiling number of turn of each coil is identical.
On the other hand, the utility model provides a kind of unidirectional asynchronous machine, the unidirectional asynchronous machine include control device and
Any of the above-described described motor stator, the binding post of the circuit two ends connection of each coil and control device connection, its
In, the control device is configured to control forward and reverse wiring of second coil and the tertiary coil, and is set to
Can controlled motor stator switch between the two poles of the earth state and the quadrupole state.
So, as described above, because control device can control the second coil and the forward and reverse wiring of tertiary coil, than
Such as, at the two poles of the earth, the positive wiring of the second coil and tertiary coil, to cause motor to provide a kind of rotating speed of scope, when needing to adjust
When saving quadrupole, the second coil and tertiary coil then reverse wiring, so that motor provides the rotating speed of another scope, this
Sample, compressor can suitably be driven with pole-changing control by being provided with the unidirectional asynchronous machine, to effectively realize air-conditioning cold flow tune
Section.
Further, the control device includes electric capacity parallel with one another and the first electric power connection line road, wherein, described
The two poles of the earth state, second coil and the 4th coil are electrically connected to form as auxiliary winding with the electric capacity；In the quadrupole
State, second coil and the 4th coil are electrically connected with the first electric power connection line road.
Further, the control device includes second be connected on the connection terminal at the two ends of second coil
Electric power connection line road and the 3rd electric power connection line road, wherein, second source connection line and the 3rd electric power connection line road are only in institute
State and connect to realize the reverse wiring opposite with the two poles of the earth state of second coil under quadrupole state.
Further, the control device includes the 4th be connected on the connection terminal at the two ends of the tertiary coil
Electric power connection line road and the 5th electric power connection line road, wherein, the 4th electric power connection line road and the 5th electric power connection line road are only in institute
State and connect to realize the reverse wiring opposite with the two poles of the earth state of the tertiary coil under quadrupole state.
Another further aspect, the utility model provides a kind of compressor, and the compressor is provided with any of the above-described described unidirectional
Asynchronous machine.As described above, under the speed governing of motor, the compressor can adjust refrigerant in real time according to refrigeration demand
Internal circulating load size, to significantly increase the comfortableness that air-conditioning is used.
Brief description of the drawings
Fig. 1 is the structural representation for the motor stator that embodiment of the present utility model is provided；
Fig. 2 is the circuit diagram when motor stator that embodiment of the present utility model is provided is in the two poles of the earth；
Fig. 3 is the circuit diagram when motor stator that embodiment of the present utility model is provided is in quadrupole；
Fig. 4 is that the motor stator that embodiment of the present utility model is provided realizes that the two poles of the earth and quadrupole switch an one kind
Circuit diagram；
Fig. 5 is the control block schematic diagram for the compressor that embodiment of the present utility model is provided.
Description of reference numerals
1- first coils, the coils of 2- second, 3- tertiary coils, the coils of 4- the 4th, 5- stator bodies, 6- principal phase stator tooths,
7- parafacies stator tooths, 8- peripheral recess, 9- electric capacity, the first electric power connection lines of 11- road, 12- second source connection lines, 13-
Three electric power connection line roads, the electric power connection line roads of 14- the 4th, the electric power connection line roads of 15- the 5th.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, the motor stator that the utility model is provided includes stator body 5, stator body 5
Upper circumference is arranged at intervals with the relative first coil 1 of diameter and tertiary coil 3, second coil 2 relative with diameter and the 4th line
Circle 4, the circuit two ends of each coil are connected with respective binding post, wherein, the second coil 2 and tertiary coil 3 can be positive
Wiring so that first coil 1 and tertiary coil 3 are formed as main winding, the second coil 2 and the 4th coil 4 are formed as auxiliary winding, with
Motor stator is set to be in the two poles of the earth state；Second coil 2 and tertiary coil 3 being capable of reverse wirings so that four coils are all formed as
Main winding, so that motor stator is in quadrupole state.
In the technical scheme, due to the second relative coil 2 of not diameter and tertiary coil 3 can positive wiring or
Reverse wiring, so, when the second coil 2 and the positive wiring of tertiary coil 3, based on first coil 1 and the formation of tertiary coil 2 around
Group, the second coil 2 and the 4th coil 4 are formed as auxiliary winding, and (the second coil 2 such as shown in Figure 2 and the 4th coil 4 can connect
Electric capacity 9 forms auxiliary winding with phase shift) so that motor stator is formed as the two poles of the earth, to cause motor to provide a kind of scope
Rotating speed, and when the second coil 2 and 3 reverse wiring of tertiary coil, first coil 1, the second coil 2, the line of tertiary coil 3 and the 4th
Circle 4 is all formed as main winding, and (the second coil 2 such as shown in Figure 3 and the 4th coil 4 can bypass electric capacity 9 and power on
To form main winding), to cause motor to provide the rotating speed of another scope, so, the motor for being provided with the motor stator can be with
Pole-changing control suitably drives compressor, to effectively realize air-conditioning cold flow regulation.
Further, rotating speed needed for more stable can reliably being provided for the ease of motor, it is preferable that as shown in Figure 1,
In a circumferential direction, first coil 1, the second coil 2, the coil 4 of tertiary coil 3 and the 4th are spaced 90 ° of arrangements successively.So, exist
When the two poles of the earth or quadrupole, the coil on motor stator can just provide more stable uniform magnetic field.
In addition, monophase machine is in non-equilibrium state and in non-circular magnetic field due to magnetic circuit and circuit, magnetic potential
Harmonic component is very big, the vibrating noise of harmonic torque not only expanded motor, generally can also reduce operation torque and cause to start tired
It is difficult.Therefore, in order to reduce harmonic component preferably, as shown in Figure 1, the line of first coil 1 and the 3rd is wound with stator body 5
The circumference that the circumferential lengths of the principal phase stator tooth 6 of circle 3 are more than the parafacies stator tooth 7 for being wound with the second coil 2 and the 4th coil 4 is long
Degree.Specifically, principal phase stator tooth 6 and parafacies stator tooth 7 all include each self-corresponding pole shoe in circumferential both sides, so, including
The circumferential lengths of the principal phase stator tooth 6 of pole shoe are more than the circumferential lengths of parafacies stator tooth 7.
In addition, under the two poles of the earth or quadrupole state, in order to cause motor to produce enough starting torques, and can carry
For reliable and stable power output, in motor stator of the present utility model, as shown in Figure 1, on the inner peripheral surface of each stator tooth
The peripheral recess 8 extended along the one end of same circumferential direction since stator tooth is formed with, wherein, each peripheral recess 8
Circumferential lengths are the half of the inner peripheral surface circumferential lengths of each stator tooth.So, either under the state of the two poles of the earth, or in quadrupole
Under state, including the motor of the motor stator can provide reliable and stable power output.
In addition, in order to further provide for reliable and stable power output, it is preferable that the coiling number of turn of each coil is identical.
On the other hand, the utility model provides a kind of unidirectional asynchronous machine, the single-phase asynchronous motor include control device and
Any of the above-described described motor stator, the binding post of the circuit two ends connection of each coil and control device connection, wherein, control
Device processed is configured to control forward and reverse wiring of the second coil 2 and tertiary coil 3, and is configured to controlled motor stator
Switch between the two poles of the earth state and quadrupole state.
So, as described above, because control device can control the second coil 2 and the forward and reverse wiring of tertiary coil 3, than
Such as, at the two poles of the earth, as shown in Figure 2, the second coil 2 and the positive wiring of tertiary coil 3, to cause motor to provide a kind of scope
Rotating speed, when need to adjust arrive quadrupole when, as shown in Figure 3, the second coil 2 and tertiary coil 3 then reverse wiring, so that electric
Machine provides the rotating speed of another scope, and so, compression can suitably be driven with pole-changing control by being provided with the unidirectional asynchronous machine
Machine, to effectively realize air-conditioning cold flow regulation.
Certainly, in unidirectional asynchronous machine of the present utility model, control device can have diversified forms above-mentioned to realize
Switching between the two poles of the earth and quadrupole, for example, Fig. 4 just shows how control device controls the one kind switched between the two poles of the earth and quadrupole
Circuit structure.With reference to shown in Fig. 4, the control device includes the electric power connection line road 11 of electric capacity 9 and first parallel with one another, its
In, in the two poles of the earth state, the second coil 2 and the 4th coil 4 are electrically connected to form as auxiliary winding with electric capacity 9；In quadrupole state, second
The coil 4 of coil 2 and the 4th is electrically connected with the first electric power connection line road 11.For example, power supply is connected with switch 1, and electric capacity 9 and
One electric power connection line road 11 can be connected with the second coil 2 and the 4th coil 4, so, during 1 and A of switch point connections, the second line
The coil 4 of circle 2 and the 4th is just connected with electric capacity 9 and auxiliary winding is formed with phase shift, and first coil 1 and tertiary coil 3 then can be straight
Connect with power electric connection to form main winding, the two poles of the earth state as shown in Figure 2；As the B on the electric power connection line road 11 of switch 1 and first
During point connection, the second coil 2 and the 4th coil 4 just then need reversely with power on, now, the second coil 2 and tertiary coil 3
Wiring so that four coils are all formed as main winding, quadrupole state as shown in Figure 3.
Certainly, selectively, the electric power connection line road 11 of electric capacity 9 and first directly can be connected with power supply, and switch 1 then cloth
Put between the electric power connection line road 11 of electric capacity 9 and first and the second coil 2 and the 4th coil 4, selectively to connect electric capacity 9
Contact A, or the first electric power connection line road 11 contact B.
The wiring of the second coil 2 and tertiary coil 3 in comparison diagram 2 and Fig. 3, it becomes possible to find out the two poles of the earth and quadrupole switching
When, the wiring of the second coil 2 and tertiary coil 3 is also required to change.
Further, Fig. 4 further shows that how the second coil 2 and tertiary coil 3 are by a kind of specific
Mode carrys out forward and reverse wiring, specifically, and control device includes being connected to the on the connection terminal at the two ends of the second coil 2
Two electric power connection line roads 12 and the 3rd electric power connection line road 13, wherein, the electric power connection line of second source connection line 12 and the 3rd
Road 13 is only connected to realize the reverse wiring opposite with the two poles of the earth state of the second coil 2 under quadrupole state.For example, second source
One end of connection line 12 is connected to the terminal 4 of the second coil 2, and is formed with both junctions contact K, and second source
The other end of connection line 12 then forms contact H, similarly, and the one end on the 3rd electric power connection line road 13 is connected to the second coil 2
Terminal 3, and form contact G in both junctions, and the other end on the 3rd electric power connection line road 13 is then formed with contact J,
So, under the state of the two poles of the earth, switch 4 and contact G connections Simultaneous Switching 5 and contact K connections, and under quadrupole state, switch 4
With contact H connections Simultaneous Switching 5 then with contact J connections, to realize forward and reverse wiring of the second coil 2.
Similarly, with continued reference to Fig. 4, control device includes the be connected on the connection terminal at the two ends of tertiary coil 3
Four electric power connection line roads 14 and the 5th electric power connection line road 15, wherein, the 4th electric power connection line road 14 and the 5th electric power connection line
Road 15 is only connected to realize the reverse wiring opposite with the two poles of the earth state of tertiary coil 3 under quadrupole state.For example, the 4th power supply
One end of connection line 14 is connected to the terminal 5 of tertiary coil 3, and is formed with both junctions contact F, and the 4th power supply
The other end of connection line 14 then forms contact D, similarly, and the one end on the 5th electric power connection line road 15 is connected to tertiary coil 3
Terminal 6, and form contact C in both junctions, and the other end on the 5th electric power connection line road 15 is then formed with contact E,
So, under the state of the two poles of the earth, switch 2 and contact C connections Simultaneous Switching 3 and contact F connections, and under quadrupole state, switch 2 Hes
Contact D connections Simultaneous Switching 3 then with contact E connections, to realize forward and reverse wiring of tertiary coil 3.
So, in summary, in a kind of specific embodiment, as shown in Figure 4, the He of terminal 1 of first coil 1
Terminal 2 can and power electric connection, the terminal 8 of the 4th coil 4 then connection power supply as needed, and terminal 7 is then connected to power supply.
During the two poles of the earth, switch 1 connects contact A, and switch 2 connects contact C, and switch 3 connects contact F, and switchs 4 and connect contact G,
Switch 5 connects contact K, with as shown in Figure 2 so that first coil 1 and tertiary coil 3 are formed as main winding, and the second coil
2 and the 4th coil 4 be formed as auxiliary winding, now, motor is single-phase capacitor operation asynchronous motor.
When needing to switch to quadrupole, switch 1 connects contact B, and switch 2 connects contact D, and switch 3 connects contact E, switch
4 connection contact H, switch 5 connects contact J, to cause the second coil 2 and the reverse wiring of tertiary coil 3 so that four coils all shapes
As main winding, now, motor has quadrupole, as shown in Figure 3.
Another further aspect, the utility model provides a kind of compressor, and with reference to Fig. 5, the compressor is provided with any of the above-described institute
The unidirectional asynchronous machine stated.As described above, under the speed governing of motor, the compressor can in real time be adjusted according to refrigeration demand
The internal circulating load size of cryogen is controlled, to significantly increase the comfortableness that air-conditioning is used.
Preferred embodiment of the present utility model is described in detail above in association with accompanying drawing, still, the utility model is not limited
In this.In range of the technology design of the present utility model, a variety of simple variants can be carried out to the technical solution of the utility model,
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
Various possible combinations are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute
Disclosure, belongs to protection domain of the present utility model.
Claims (10)
1. a kind of motor stator, including stator body (5), it is characterised in that be circumferentially arranged at intervals with the stator body (5)
The relative first coil of diameter (1) and tertiary coil (3), second coil (2) and fourth coil (4) relative with diameter, each
The circuit two ends of coil are connected with respective binding post, wherein,
Second coil (2) and the tertiary coil (3) being capable of positive wiring so that the first coil (1) and described the
Three-winding (3) is formed as main winding, and second coil (2) and the 4th coil (4) are formed as auxiliary winding, so that motor is fixed
Son is in the two poles of the earth state；
Second coil (2) and the tertiary coil (3) being capable of reverse wirings so that four coils are all formed as main winding,
So that motor stator is in quadrupole state.
2. motor stator according to claim 1, it is characterised in that in a circumferential direction, the first coil (1), institute
State the second coil (2), the tertiary coil (3) and the 4th coil (4) and be spaced 90 ° of arrangements successively.
3. motor stator according to claim 1, it is characterised in that be wound with described first on the stator body (5)
The circumferential lengths of the principal phase stator tooth (6) of coil (1) and the tertiary coil (3) be more than be wound with second coil (2) and
The circumferential lengths of the parafacies stator tooth (7) of 4th coil (4).
4. motor stator according to claim 3, it is characterised in that be formed with the inner peripheral surface of each stator tooth along same
The peripheral recess (8) that one circumferential direction extends since one end of stator tooth, wherein,
The circumferential lengths of each peripheral recess (8) are the half of the inner peripheral surface circumferential lengths of each stator tooth.
5. the motor stator according to any one in claim 1-4, it is characterised in that the coiling number of turn phase of each coil
Together.
6. a kind of unidirectional asynchronous machine, it is characterised in that including control device and according to any one in claim 1-5
Motor stator, each coil circuit two ends connection binding post and the control device connection, wherein,
The control device is configured to control forward and reverse wiring of second coil (2) and the tertiary coil (3), and
Controlled motor stator is configured between the two poles of the earth state and the quadrupole state to switch.
7. unidirectional asynchronous machine according to claim 6, it is characterised in that the control device includes electricity parallel with one another
Hold (9) and the first electric power connection line road (11), wherein,
In the two poles of the earth state, second coil (2) and the 4th coil (4) are electrically connected to form with the electric capacity (9)
For auxiliary winding；
In the quadrupole state, second coil (2) and the 4th coil (4) and the first electric power connection line road (11)
Electrical connection.
8. unidirectional asynchronous machine according to claim 7, it is characterised in that the control device includes being connected to described the
Second source connection line (12) and the 3rd electric power connection line road (13) on the connection terminal at the two ends of two coil (2), wherein,
Second source connection line (12) is only connected to realize described with the 3rd electric power connection line road (13) under the quadrupole state
The reverse wiring opposite with the two poles of the earth state of two coil (2).
9. the unidirectional asynchronous machine according to any one in claim 6-8, it is characterised in that the control device includes
It is connected to the 4th electric power connection line road (14) and the 5th electric power connection line on the connection terminal at the two ends of the tertiary coil (3)
Road (15), wherein, the 4th electric power connection line road (14) is only connected with the 5th electric power connection line road (15) under the quadrupole state
To realize the reverse wiring opposite with the two poles of the earth state of the tertiary coil (3).
10. a kind of compressor, it is characterised in that the compressor is provided with according to any one in claim 6-9
Unidirectional asynchronous machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340427.5U CN206585407U (en) | 2017-03-31 | 2017-03-31 | Motor stator and unidirectional asynchronous machine and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340427.5U CN206585407U (en) | 2017-03-31 | 2017-03-31 | Motor stator and unidirectional asynchronous machine and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206585407U true CN206585407U (en) | 2017-10-24 |
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ID=60092581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720340427.5U Active CN206585407U (en) | 2017-03-31 | 2017-03-31 | Motor stator and unidirectional asynchronous machine and compressor |
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| Country | Link |
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| CN (1) | CN206585407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877541A (en) * | 2017-03-31 | 2017-06-20 | 广东美芝制冷设备有限公司 | Motor stator and unidirectional asynchronous machine and compressor |
| WO2021051890A1 (en) * | 2019-09-18 | 2021-03-25 | 深圳市力辉电机有限公司 | Connection structure of single-phase four-pole series motor, and single-phase four-pole series motor |
-
2017
- 2017-03-31 CN CN201720340427.5U patent/CN206585407U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877541A (en) * | 2017-03-31 | 2017-06-20 | 广东美芝制冷设备有限公司 | Motor stator and unidirectional asynchronous machine and compressor |
| WO2021051890A1 (en) * | 2019-09-18 | 2021-03-25 | 深圳市力辉电机有限公司 | Connection structure of single-phase four-pole series motor, and single-phase four-pole series motor |
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