CN104578645B - A kind of single-phase capacitor running double speed asynchronous motor - Google Patents
A kind of single-phase capacitor running double speed asynchronous motor Download PDFInfo
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- CN104578645B CN104578645B CN201410822058.4A CN201410822058A CN104578645B CN 104578645 B CN104578645 B CN 104578645B CN 201410822058 A CN201410822058 A CN 201410822058A CN 104578645 B CN104578645 B CN 104578645B
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Classifications
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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 kind of single-phase capacitor running double speed asynchronous motor, the motor includes stator, rotor, casing, rotary shaft, drive end bearing bracket, rear end cap, bearing, fan blade, fan housing, terminal box, the stator includes high rotating speed winding and slow-speed of revolution winding double winding, often set winding includes a main winding and an auxiliary winding, winding one capacitor of correspondence is often covered, double winding each also can realize that double winding accesses power supply and switched by independent extracting power supply cord by switch.The high rotating speed winding is two pole windings, and the slow-speed of revolution winding is quadrupole winding.The single-phase capacitor running double speed asynchronous motor is high to the utilization rate of stator material, improves utilization rate of the motor to material, plays the effect for saving the energy.
Description
Technical field
The present invention relates to a kind of motor, more particularly to a kind of single-phase capacitor running double speed asynchronous motor.
Background technology
Common single-phase capacitor operation motor, motor stator includes a main winding and an auxiliary winding, motor
There is a capacitor connected with main winding or auxiliary winding, during motor operation, only one of which rotating speed, rotating speed is single, be not suitable for
Need the application scenario of multiple rotating speeds.
In order to adapt to the application scenario of many rotating speeds, reveal a kind of single-phase motor of existing tap debugging, this kind of motor
Stator equipped with main winding, an auxiliary winding, change the rotating speed of motor by changing the number of turn of main winding and auxiliary winding, this
Kind of motor angle of winding and capacitor in speed regulation process is unable to reach optimum state, and it is low to easily cause motor efficiency,
Situations such as motor temperature rise or turn-to-turn short circuit, it is impossible to meet industrial requirements.
Also have using the method for decompression speed to realize the velocity variations of monopole asynchronous motor at present, this kind of motor
Input voltage is not directly connected on power supply, but is connected on automatically controlled output voltage, is added electric control part, is increased
The difficulty and complexity of circuit part design.
Also occur the asynchronous motor of single-phase pole-changing double speed at present, stator winding include high speed main winding, low speed master around
Group and auxiliary winding, auxiliary winding are in parallel with high speed main winding or low speed main winding after being connected with electric capacity, are realized by centrifugal switch
High speed main winding accesses circuit or low speed main winding accesses the switching of circuit, and centrifugal switch easily breaks down, three during coiling
Have overlapping between individual winding, production and processing technology is more complicated, adds the difficulty of configuration, be unfavorable for batch production.
The content of the invention
The technical problems to be solved by the invention be to provide a kind of stock utilization it is high and with double speed single-phase capacitance
Operation asyn. motor.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is there is provided a kind of single-phase capacitor running double speed
Asynchronous motor, the motor include stator, rotor, casing, rotary shaft, drive end bearing bracket, rear end cap, bearing, fan blade, fan housing,
Terminal box, the drive end bearing bracket is fixed by screws in casing front end, and the rear end cap is fixed by screws in casing rear end, described
By bearing connection on the rotating shaft, the fan blade, which is fixed on, to be stretched out in the rotary shaft of rear end cap, institute for drive end bearing bracket and rear end cap
State fan housing to be fixed by screws on rear end cap, the terminal box is fixed on the top of casing.
The stator includes high rotating speed winding and slow-speed of revolution winding double winding, and the high rotating speed winding includes a high speed
Main winding and a high speed auxiliary winding, the slow-speed of revolution winding include a low speed main winding and a low speed auxiliary winding；It is described
Motor is also including run at high speed a capacitor and a low-speed running capacitor, capacitor and the pair at a high speed of running at high speed
Be connected to power supply after windings in series with high speed main winding, the low-speed running capacitor connected with low speed auxiliary winding after with low speed master
Winding is connected to power supply.
The slot number of the stator be 24 grooves, the high rotating speed winding be symmetrical chain type connect winding, the high rotating speed around
Group is two pole windings, the axis of the high speed main winding and the axis electrical angle in 90 ° of high speed auxiliary winding, the groove of high speed main winding
Number is 20 grooves, and the slot number of high speed auxiliary winding is 20 grooves, shares 16 grooves, and pitch is 12 grooves.The slow-speed of revolution winding is symmetrical chain
Formula is connected winding, and the slow-speed of revolution winding is quadrupole winding, the axis of the low speed main winding and the axis of low speed auxiliary winding into
90 ° of electrical angles, the slot number of low speed main winding is 20 grooves, and the slot number of low speed auxiliary winding is 20 grooves, shares 16 grooves, and pitch is 6 grooves.
The beneficial effects of the present invention are the single-phase capacitor running double speed asynchronous motor of offer, stator includes two poles and four
The slot number of pole double winding, two pole windings and quadrupole winding is used to 24 grooves, two pole windings and the respective master of quadrupole winding around
There is common groove position between group and auxiliary winding, the motor can provide two kinds of rotating speeds, meet the occasion that double rotating speeds are used, and
Effective stock utilization is high.
Brief description of the drawings
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 wiring 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 wiring 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 the quadrupole wound stator expanded view of the single-phase capacitor running double speed asynchronous motor of the embodiment of the present invention.
Label declaration：
1st, stator；2nd, rotor；3rd, casing；4th, rotary shaft；5th, drive end bearing bracket；6th, rear end cap；7th, bearing；8th, fan blade；9th, fan housing；
10th, terminal box；11st, run at high speed capacitor；12nd, 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 at high speed electric capacity；C2, low-speed running electric capacity；U1、U2, high speed main winding draw
Line；U3、U4, low speed main winding lead-out wire；Z1、Z2, high speed auxiliary winding lead-out wire；Z3、Z4, low speed auxiliary winding lead-out wire.
Embodiment
To describe technology contents, the objects and the effects of the present invention in detail, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：By making the different winding of two sets of independent parameters on same stator
To realize that single-phase capacitor operation asyn. motor has double speed function.
Fig. 1 to Fig. 6 is refer to, the single-phase capacitor running double speed asynchronous motor that the present invention is provided, the motor includes
Stator 1, rotor 2, casing 3, rotary shaft 4, drive end bearing bracket 5, rear end cap 6, bearing 7, fan blade 8, fan housing 9, terminal box 10, the front end
Lid 5 is fixed by screws in the front end of casing 3, and the rear end cap 6 is fixed by screws in the rear end of casing 3, and the drive end bearing bracket 5 is with after
End cap 6 is connected in rotary shaft 4 by bearing 7, and the fan blade 8, which is fixed on, to be stretched out in the rotary shaft 4 of rear end cap 6, the wind
Cover 9 is fixed by screws on rear end cap 6, and the terminal box 10 is fixed on the top of casing 3.
The stator 1 includes high rotating speed winding and slow-speed of revolution winding double winding, and the high rotating speed winding includes one high
A fast main winding L1 and low speed auxiliary winding L2, the slow-speed of revolution winding include a low speed main winding L3 and a low speed pair around
Group L4.The motor is also including run at high speed a capacitor 11 and a low-speed running capacitor 12, and run at high speed electric capacity
C1 is connected to power supply after being connected with high speed auxiliary winding L2 with high speed main winding L1, and low-speed running electric capacity C2 and low speed auxiliary winding L4 goes here and there
After connection power supply is connected to low speed main winding L3.
The slot number of the stator 1 is 24 grooves.
Referring to Fig. 5, the high rotating speed winding is symmetrical chain type series connection winding, and the high rotating speed winding is two pole windings,
The axis of the high speed main winding L1 and high speed auxiliary winding L2 axis electrical angle in 90 °, high speed main winding L1 groove position is 1,
2nd, 3,4,5,8,9,10,11,12,13,14,15,16,17,20,21,22,23,24 groove, totally 20 groove, high speed auxiliary winding L2 groove
Position is 2,3,4,5,6,7,8,9,10,11,14,15,16,17,18,19,20,21,22,23 grooves, totally 20 groove, high speed main winding and
High speed auxiliary winding has shared 16 grooves, and pitch is 12 grooves.High speed main winding L1 lead-out wire is U1、U2, corresponding groove position is respectively 1
Groove, 13 grooves, high speed auxiliary winding L2 lead-out wire is Z1、Z2, corresponding groove position is respectively 14 grooves, 2 grooves.
Referring to Fig. 6, the slow-speed of revolution winding is symmetrical chain type series connection winding, and the slow-speed of revolution winding is quadrupole winding,
The axis of the low speed main winding L3 and low speed auxiliary winding L4 axis electrical angle in 90 °, low speed main winding L3 groove position is 1,
2nd, 3,5,6,7,8,9,11,12,13,14,15,17,18,19,20,21,23,24 groove, totally 20 groove, low speed auxiliary winding L4 groove position
For 2,3,4,5,6,8,9,10,11,12,14,15,16,17,18,20,21,22,23,24 grooves, totally 20 groove, low speed main winding and
Low speed auxiliary winding has shared 16 grooves, and pitch is 6 grooves.Low speed main winding L3 lead-out wire is U3、U4, corresponding groove position is respectively 1
Groove, 19 grooves, low speed auxiliary winding L4 lead-out wire is Z3、Z4, corresponding groove position is respectively 22 grooves, 4 grooves.
It was found from foregoing description, the beneficial effects of the present invention are the single-phase capacitor running double speed asynchronous motor of offer,
Stator includes two poles and quadrupole double winding, and the slot number of two pole windings and quadrupole winding is used to 24 grooves, and each groove position is at least
Shared by two windings, some groove positions are shared by four windings, the motor can meet the occasion that double rotating speeds are used, and
By sharing winding, material is saved, cost is reduced.
Further, the high rotation speed operation capacitor 11 and slow-speed of revolution working capacitor 12 are arranged on the terminal box 10
It is interior.
The high rotating speed winding and slow-speed of revolution winding can respective independent extracting power supply cord, can also pass through switch realize it is high
Rotating speed winding accesses power supply or slow-speed of revolution winding accesses the switching of power supply.
Seen from the above description, the single-phase capacitor running double speed asynchronous motor that the present invention is provided, high rotation speed operation electric capacity
Device 11 and slow-speed of revolution working capacitor 12 are arranged in the terminal box 10, easy for installation.High rotating speed winding and slow-speed of revolution winding
Power line can draw two, the switching that high rotating speed winding is connected or slow-speed of revolution winding is connected can also be realized by switch,
The demand of different application scenarios can be met.
In summary, the single-phase capacitor running double speed asynchronous motor that the present invention is provided, stator includes two poles and quadrupole two
Cover winding, the slot number of two pole windings and quadrupole winding is used to 24 grooves, two pole windings and the respective main winding of quadrupole winding and
There is common groove position between auxiliary winding, there is also common groove position between two pole windings and quadrupole winding, the groove position utilization rate of stator
Height, the effective stock utilization of motor is high, while saving cost.The motor can provide two kinds of rotating speeds, meet double turn
The occasion that speed is used.The power line of the high rotating speed winding and slow-speed of revolution winding can draw two, can also be realized by switching
The switching that high rotating speed winding or slow-speed of revolution winding are connected, can meet the need of different application occasion or client's use habit
Ask.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, or the technical field of correlation is directly or indirectly used in, similarly include
In the scope of patent protection of the present invention.
Claims (4)
1. a kind of single-phase capacitor running double speed asynchronous motor, the motor includes stator, rotor, casing, rotary shaft, front end
Lid, rear end cap, bearing, fan blade, fan housing, terminal box, the drive end bearing bracket are fixed by screws in casing front end, and the rear end cap leads to
Cross screw and be fixed on casing rear end, by bearing connection on the rotating shaft, the fan blade is fixed for the drive end bearing bracket and rear end cap
On the rotary shaft of rear end cap is stretched out, the fan housing is fixed by screws on rear end cap, and the terminal box is fixed on casing
Top, it is characterised in that the stator includes high rotating speed winding and slow-speed of revolution winding double winding, the high rotating speed winding includes
One high speed main winding and a high speed auxiliary winding, the slow-speed of revolution winding include a low speed main winding and a low speed pair around
Group；The motor is also including run at high speed a capacitor and a low-speed running capacitor, the capacitor that runs at high speed
Power supply is connected to after being connected with high speed auxiliary winding with high speed main winding, after the low-speed running capacitor is connected with low speed auxiliary winding
Power supply is connected to low speed main winding；The slot number of the stator be 24 grooves, the high rotating speed winding be symmetrical chain type connect around
Group, the high rotating speed winding is two pole windings, the axis of the high speed main winding and the axis electric angle in 90 ° of high speed auxiliary winding
Degree, the slot number of high speed main winding is 20 grooves, and the slot number of high speed auxiliary winding is 20 grooves, shares 16 grooves, and pitch is 12 grooves；Described low turn
Fast winding be symmetrical chain type connect winding, the slow-speed of revolution winding be quadrupole winding, the axis of the low speed main winding with it is low
The axis electrical angle in 90 ° of fast auxiliary winding, the slot number of low speed main winding is 20 grooves, and the slot number of low speed auxiliary winding is 20 grooves, is shared
16 grooves, pitch is 6 grooves.
2. single-phase capacitor running double speed asynchronous motor according to claim 1, it is characterised in that the high rotation speed operation
Capacitor and slow-speed of revolution working capacitor are arranged in the terminal box.
3. single-phase capacitor running double speed asynchronous motor according to claim 1, it is characterised in that the high rotating speed winding
With the respective extracting power supply cord of slow-speed of revolution winding.
4. single-phase capacitor running double speed asynchronous motor according to claim 1, it is characterised in that realize height by switching
Rotating speed winding accesses power supply or slow-speed of revolution winding accesses the switching of power supply.
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 CN104578645A (en) | 2015-04-29 |
| CN104578645B true CN104578645B (en) | 2017-08-08 |
Family
ID=53094053
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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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104578645B (en) |
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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| Publication number | Publication date |
|---|---|
| CN104578645A (en) | 2015-04-29 |
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Granted publication date: 20170808 Termination date: 20181225 |