CN104578645A - Single-phase capacitance asynchronous motor operating at double speeds - Google Patents
Single-phase capacitance asynchronous motor operating at double speeds Download PDFInfo
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- CN104578645A CN104578645A CN201410822058.4A CN201410822058A CN104578645A CN 104578645 A CN104578645 A CN 104578645A CN 201410822058 A CN201410822058 A CN 201410822058A CN 104578645 A CN104578645 A CN 104578645A
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- winding
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/04—Asynchronous induction motors for single phase current
- H02K17/08—Motors with auxiliary phase obtained by externally fed auxiliary windings, e.g. capacitor motors
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Abstract
The invention provides a single-phase capacitance asynchronous motor operating at double speeds. The motor comprises a stator, a rotor, a casing, a rotating shaft, a front end cover, a rear end cover, bearings, fan blades, a fan cover and a junction box, wherein the stator comprises a set of high-rotating-speed windings and a set of low-rotating-speed windings; each set of windings comprises a main winding and an auxiliary winding and corresponds to one capacitor, power cords can be independently led out of two sets of windings, and the two sets of windings can be accessed to a power supply through switches for switch; the high-rotating-speed windings are dipolar windings, and the low-rotating-speed windings are quadrupole windings. According to the single-phase capacitance asynchronous motor operating at double speeds, the utilization rate of a stator material is high, the utilization rate of the motor to a material is increased, and the energy saving effect is realized.
Description
Technical field
The present invention relates to a kind of motor, particularly a kind of single-phase capacitor running double speed asynchronous motor.
Background technology
Common single-phase capacitor operation motor, motor stator comprises a main winding and an auxiliary winding, and motor has a capacitor of connecting with main winding or auxiliary winding, during motor operation, only have a rotating speed, rotating speed is single, is not suitable for the application scenario needing multiple rotating speed.
In order to adapt to the application scenario of many rotating speeds, reveal the single-phase motor of existing a kind of tap debugging, the stator of this kind of motor is furnished with a main winding, an auxiliary winding, the rotating speed of motor is changed by the number of turn changing main winding and auxiliary winding, the angle of this motor winding and capacitor in speed regulation process cannot reach optimum state, easily cause motor efficiency low, the situations such as motor temperature rising or turn-to-turn short circuit, cannot meet industrial requirements.
Also have at present and adopt the method for decompression speed to realize the velocity variations of monopole asynchronous motor, the input voltage of this kind of motor is not be directly connected on power supply, but be connected on automatically controlled output voltage, add automatically controlled part, increase difficulty and the complexity of circuit part design.
Also the asynchronous motor of single-phase pole-changing double speed is occurred at present, stator winding comprises high speed main winding, low speed main winding and auxiliary winding, auxiliary winding is in parallel with high speed main winding or low speed main winding with after capacitances in series, the switching of high speed main winding place in circuit or low speed main winding place in circuit is realized by centrifugal switch, centrifugal switch easily breaks down, and has overlap, production and processing technology more complicated during coiling between three windings, add the difficulty of configuration, be unfavorable for batch production.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of stock utilization high and there is the single-phase capacitor operation asyn. motor of double speed.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is for providing a kind of single-phase capacitor running double speed asynchronous motor, described motor comprises stator, rotor, casing, rotation axis, front end housing, rear end cap, bearing, fan blade, fan housing, terminal box, described front end housing is fixed by screws in casing front end, described rear end cap is fixed by screws in casing rear end, described front end housing and rear end cap are all connected on the rotating shaft by bearing, described fan blade is fixed on and stretches out on the rotation axis of rear end cap, described fan housing is fixed by screws on rear end cap, described terminal box is fixed on the top of casing.
Described stator comprises high rotating speed winding and slow-speed of revolution winding double winding, and described high rotating speed winding comprises a high speed main winding and a high speed auxiliary winding, and described slow-speed of revolution winding comprises a low speed main winding and a low speed auxiliary winding; Described motor also comprises run up capacitor and a low-speed running capacitor, the described capacitor that runs up is connected with high speed auxiliary winding afterwards and high speed main winding is connected to power supply, and described low-speed running capacitor is connected with low speed auxiliary winding afterwards and low speed main winding is connected to power supply.
The groove number of described stator is 24 grooves, described high rotating speed winding is symmetrical chain type series connection winding, described high rotating speed winding is two pole windings, the axis of described high speed main winding and the axis electrical degree in 90 ° of high speed auxiliary winding, the groove number of high speed main winding is 20 grooves, the groove number of high speed auxiliary winding is 20 grooves, and share 16 grooves, pitch is 12 grooves.Described slow-speed of revolution winding is symmetrical chain type series connection winding, and described slow-speed of revolution winding is four pole windings, the axis of described low speed main winding and the axis electrical degree in 90 ° of low speed auxiliary winding, the groove number of low speed main winding is 20 grooves, the groove number of low speed auxiliary winding is 20 grooves, and share 16 grooves, pitch is 6 grooves.
Beneficial effect of the present invention is the single-phase capacitor running double speed asynchronous motor provided, stator comprises two poles and four pole double windings, the groove number of two pole windings and four pole windings all uses 24 grooves, exist between the respective main winding of two pole windings and four pole windings and auxiliary winding and share slot, described motor can provide two kinds of rotating speeds, meet the occasion that two rotating speed uses, and effectively stock utilization is high.
Accompanying drawing explanation
Fig. 1 is the front view of the single-phase capacitor running double speed asynchronous motor of the embodiment of the present invention;
Fig. 2 is the left view of the single-phase capacitor running double speed asynchronous motor of the embodiment of the present invention;
Fig. 3 is the winding diagram of the high rotating speed winding of the single-phase capacitor running double speed asynchronous motor of the embodiment of the present invention;
Fig. 4 is the winding diagram of the slow-speed of revolution winding of the single-phase capacitor running double speed asynchronous motor of the embodiment of the present invention;
Fig. 5 is two pole wound stator expanded views of the single-phase capacitor running double speed asynchronous motor of the embodiment of the present invention;
Fig. 6 is four pole wound stator expanded views of the single-phase capacitor running double speed asynchronous motor of the embodiment of the present invention.
Label declaration:
1, stator; 2, rotor; 3, casing; 4, rotation axis; 5, front end housing; 6, rear end cap; 7, bearing; 8, fan blade; 9, fan housing; 10, terminal box; 11, run up capacitor; 12, low-speed running capacitor; L1, high speed main winding; L2, high speed auxiliary winding; L3, low speed main winding; L4, low speed auxiliary winding; C1, run up electric capacity; C2, low-speed running electric capacity; U
1, U
2, high speed main winding lead-out wire; U
3, U
4, low speed main winding lead-out wire; Z
1, Z
2, high speed auxiliary winding lead-out wire; Z
3, Z
4, low speed auxiliary winding lead-out wire.
Embodiment
By describing technology contents of the present invention in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with execution mode.
The design of most critical of the present invention is: overlap the different winding of independently parameter and realize single-phase capacitor operation asyn. motor by making two on same stator and have double speed function.
Please refer to Fig. 1 to Fig. 6, single-phase capacitor running double speed asynchronous motor provided by the invention, described motor comprises stator 1, rotor 2, casing 3, rotation axis 4, front end housing 5, rear end cap 6, bearing 7, fan blade 8, fan housing 9, terminal box 10, described front end housing 5 is fixed by screws in casing 3 front end, described rear end cap 6 is fixed by screws in casing 3 rear end, described front end housing 5 and rear end cap 6 are all connected on rotation axis 4 by bearing 7, described fan blade 8 is fixed on and stretches out on the rotation axis 4 of rear end cap 6, described fan housing 9 is fixed by screws on rear end cap 6, described terminal box 10 is fixed on the top of casing 3.
Described stator 1 comprises high rotating speed winding and slow-speed of revolution winding double winding, and described high rotating speed winding comprises an a high speed main winding L1 and low speed auxiliary winding L2, and described slow-speed of revolution winding comprises an a low speed main winding L3 and low speed auxiliary winding L4.Described motor also comprises run up capacitor 11 and a low-speed running capacitor 12, the electric capacity C1 that runs up connects with high speed auxiliary winding L2 afterwards and high speed main winding L1 is connected to power supply, and low-speed running electric capacity C2 connects with low speed auxiliary winding L4 afterwards and low speed main winding L3 is connected to power supply.
The groove number of described stator 1 is 24 grooves.
See Fig. 5, described high rotating speed winding is symmetrical chain type series connection winding, described high rotating speed winding is two pole windings, the axis of described high speed main winding L1 and the axis electrical degree in 90 ° of high speed auxiliary winding L2, the slot of high speed main winding L1 is 1, 2, 3, 4, 5, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 20, 21, 22, 23, 24 grooves, totally 20 grooves, the slot of high speed auxiliary winding L2 is 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 grooves, totally 20 grooves, high speed main winding and high speed auxiliary winding have shared 16 grooves, pitch is 12 grooves.The lead-out wire of high speed main winding L1 is U
1, U
2, corresponding slot is respectively 1 groove, 13 grooves, and the lead-out wire of high speed auxiliary winding L2 is Z
1, Z
2, corresponding slot is respectively 14 grooves, 2 grooves.
See Fig. 6, described slow-speed of revolution winding is symmetrical chain type series connection winding, described slow-speed of revolution winding is four pole windings, the axis of described low speed main winding L3 and the axis electrical degree in 90 ° of low speed auxiliary winding L4, the slot of low speed main winding L3 is 1, 2, 3, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 23, 24 grooves, totally 20 grooves, the slot of low speed auxiliary winding L4 is 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24 grooves, totally 20 grooves, low speed main winding and low speed auxiliary winding have shared 16 grooves, pitch is 6 grooves.The lead-out wire of low speed main winding L3 is U
3, U
4, corresponding slot is respectively 1 groove, 19 grooves, and the lead-out wire of low speed auxiliary winding L4 is Z
3, Z
4, corresponding slot is respectively 22 grooves, 4 grooves.
From foregoing description, beneficial effect of the present invention is the single-phase capacitor running double speed asynchronous motor provided, stator comprises two poles and four pole double windings, the groove number of two pole windings and four pole windings all uses 24 grooves, and each slot is at least shared by two windings, and some slots are shared by four windings, described motor can meet the occasion that two rotating speed uses, and by sharing winding, saving material, reducing cost.
Further, described high rotation speed operation capacitor 11 and slow-speed of revolution working capacitor 12 are arranged in described terminal box 10.
Described high rotating speed winding and slow-speed of revolution winding can extracting power supply cords separately separately, also can be realized the switching of high rotating speed winding access power supply or slow-speed of revolution winding access power supply by switch.
Seen from the above description, single-phase capacitor running double speed asynchronous motor provided by the invention, high rotation speed operation capacitor 11 and slow-speed of revolution working capacitor 12 are arranged in described terminal box 10, easy for installation.The power line of high rotating speed winding and slow-speed of revolution winding can draw two, also can realize by switch the switching that high rotating speed winding is connected or slow-speed of revolution winding is connected, can meet the demand of different application scenarios.
In sum, single-phase capacitor running double speed asynchronous motor provided by the invention, stator comprises two poles and four pole double windings, the groove number of two pole windings and four pole windings all uses 24 grooves, exist between the respective main winding of two pole windings and four pole windings and auxiliary winding and share slot, also exist between two pole windings and four pole windings and share slot, the slot utilance of stator is high, the effective stock utilization of motor is high, provides cost savings simultaneously.Described motor can provide two kinds of rotating speeds, meets the occasion that two rotating speed uses.The power line of described high rotating speed winding and slow-speed of revolution winding can draw two, also can be realized the switching of high rotating speed winding or the connection of slow-speed of revolution winding by switch, can meet the demand of different application occasion or client's use habit.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing specification of the present invention and accompanying drawing content to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. a single-phase capacitor running double speed asynchronous motor, described motor comprises stator, rotor, casing, rotation axis, front end housing, rear end cap, bearing, fan blade, fan housing, terminal box, described front end housing is fixed by screws in casing front end, described rear end cap is fixed by screws in casing rear end, described front end housing and rear end cap are all connected on the rotating shaft by bearing, described fan blade is fixed on and stretches out on the rotation axis of rear end cap, described fan housing is fixed by screws on rear end cap, described terminal box is fixed on the top of casing, it is characterized in that, described stator comprises high rotating speed winding and slow-speed of revolution winding double winding, described high rotating speed winding comprises a high speed main winding and a high speed auxiliary winding, described slow-speed of revolution winding comprises a low speed main winding and a low speed auxiliary winding, described motor also comprises run up capacitor and a low-speed running capacitor, the described capacitor that runs up is connected with high speed auxiliary winding afterwards and high speed main winding is connected to power supply, and described low-speed running capacitor is connected with low speed auxiliary winding afterwards and low speed main winding is connected to power supply, the groove number of described stator is 24 grooves, described high rotating speed winding is symmetrical chain type series connection winding, described high rotating speed winding is two pole windings, the axis of described high speed main winding and the axis electrical degree in 90 ° of high speed auxiliary winding, the groove number of high speed main winding is 20 grooves, the groove number of high speed auxiliary winding is 20 grooves, and share 16 grooves, pitch is 12 grooves, described slow-speed of revolution winding is symmetrical chain type series connection winding, and described slow-speed of revolution winding is four pole windings, the axis of described low speed main winding and the axis electrical degree in 90 ° of low speed auxiliary winding, the groove number of low speed main winding is 20 grooves, the groove number of low speed auxiliary winding is 20 grooves, and share 16 grooves, pitch is 6 grooves.
2. single-phase capacitor running double speed asynchronous motor according to claim 1, is characterized in that, described high rotation speed operation capacitor and slow-speed of revolution working capacitor are arranged in described terminal box.
3. single-phase capacitor running double speed asynchronous motor according to claim 1, is characterized in that, described high rotating speed winding and slow-speed of revolution winding extracting power supply cord separately.
4. single-phase capacitor running double speed asynchronous motor according to claim 1, is characterized in that, is realized the switching of high rotating speed winding access power supply or slow-speed of revolution winding access power supply by switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410822058.4A CN104578645B (en) | 2014-12-25 | 2014-12-25 | A kind of single-phase capacitor running double speed asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410822058.4A CN104578645B (en) | 2014-12-25 | 2014-12-25 | A kind of single-phase capacitor running double speed asynchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104578645A true CN104578645A (en) | 2015-04-29 |
| CN104578645B CN104578645B (en) | 2017-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410822058.4A Expired - Fee Related CN104578645B (en) | 2014-12-25 | 2014-12-25 | A kind of single-phase capacitor running double speed asynchronous motor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1248328A (en) * | 1968-12-18 | 1971-09-29 | Julien & Mege Sa | A single phase asynchronous electric motor |
| CN1059053A (en) * | 1990-08-14 | 1992-02-26 | 山东省文登市第二电机厂 | Single-phase pole-changing speed-regulating asynchronous motor |
| CN201207608Y (en) * | 2008-05-20 | 2009-03-11 | 宁波狮球微特电机有限公司 | Single-phase pole-changing double-speed double-capacitance asynchronous motor |
| CN204304741U (en) * | 2014-12-25 | 2015-04-29 | 福安市理想电器有限公司 | A kind of single-phase capacitor running double speed asynchronous motor |
-
2014
- 2014-12-25 CN CN201410822058.4A patent/CN104578645B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1248328A (en) * | 1968-12-18 | 1971-09-29 | Julien & Mege Sa | A single phase asynchronous electric motor |
| CN1059053A (en) * | 1990-08-14 | 1992-02-26 | 山东省文登市第二电机厂 | Single-phase pole-changing speed-regulating asynchronous motor |
| CN201207608Y (en) * | 2008-05-20 | 2009-03-11 | 宁波狮球微特电机有限公司 | Single-phase pole-changing double-speed double-capacitance asynchronous motor |
| CN204304741U (en) * | 2014-12-25 | 2015-04-29 | 福安市理想电器有限公司 | A kind of single-phase capacitor running double speed asynchronous motor |
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| CN104578645B (en) | 2017-08-08 |
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