CN201365179Y - Three-winding single-phase induction motor with novel connection - Google Patents
Three-winding single-phase induction motor with novel connection Download PDFInfo
- Publication number
- CN201365179Y CN201365179Y CNU2009200222707U CN200920022270U CN201365179Y CN 201365179 Y CN201365179 Y CN 201365179Y CN U2009200222707 U CNU2009200222707 U CN U2009200222707U CN 200920022270 U CN200920022270 U CN 200920022270U CN 201365179 Y CN201365179 Y CN 201365179Y
- Authority
- CN
- China
- Prior art keywords
- winding
- phase
- induction motor
- capacitor
- phase winding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a three-winding single-phase induction motor with novel connection, which can lead the efficiency of a three-winding single-phase induction motor to approach to a motor with three-phase symmetrical running in single-phase running through adopting the connection of a motor stator winding and a capacitor, and leads the efficiency to be higher than a normal single-phase induction motor with the same volume. The three-winding single-phase induction motor with novel connection comprises a frame, wherein a rotary shaft is mounted in the frame, a rotor is mounted on the rotary shaft, and meanwhile, a stator iron core is further arranged in the frame, a stator winding is arranged on the stator iron core, three sets of stator windings are arranged, and the axial cords of windings mutually form an electric angle of 120 degrees in space, six wire outlets of all the windings are respectively connected with the two capacitors, and electric current in the three windings keep a state close to symmetry.
Description
Technical field
The utility model relates to a kind of motor, relates in particular to a kind of three-winding single phase induction motor of novel connecting method.
Background technology
Monocyclic-start induction motor only needs the single phase alternating current power supply power supply, is widely used.In order to produce starting torque, major and minor two phase windings of the general employing of common monocyclic-start induction motor stator winding have quadrature on the space.When rated power during greater than 0.5kW, it is uneconomic adopting monocyclic-start induction motor, and one of way of solution is three phase induction motor to be received on the single phase poaer supply move.The three winding single-phase capacitor operation motors that convert for threephase asynchronous, identical when the analytical method of its electromagnetic performance is powered by single phase poaer supply with threephase asynchronous, therefore have bigger negative-sequence current in motor, the motor operation is in asymmetrical state.
The utility model content
The purpose of this utility model is exactly in order to improve the efficient of monocyclic-start induction motor, a kind of three-winding single phase induction motor of novel connecting method has been proposed, it can make the three-winding single phase induction motor when single phasing efficient near the motor of three-phase symmetrical operation, and be higher than with the common single phase induction motor of capacity, simultaneously core dimensions is less than with the common single phase induction motor of capacity.
For achieving the above object, the utility model has adopted following technical scheme:
A kind of three-winding single phase induction motor of novel connecting method, it comprises support, rotating shaft is installed in support, rotor is installed in rotating shaft, also is provided with stator core simultaneously in support, stator core is provided with stator winding, described stator winding has three covers, each winding axis is in 120 ° of electrical degrees of space mutual deviation, and all six terminals of winding connect with two capacitors respectively, and electric current keeps near symmetry status in three windings.
Described stator winding is made of by Y type solution A phase winding, B phase winding and C phase winding, wherein A phase winding and a capacitor I are composed in series a branch road, connect single phase poaer supply, the C phase winding be composed in series another branch road with the B phase winding after another capacitor I I is in parallel, this branch road is connected in parallel on the capacitor I, electric current among the capacitor I I be in A phase winding and the B phase winding electric current and, the electric current in the capacitor I be in B phase winding and the C phase winding electric current and.
The client link of the same name that goes out to hold direct and other windings of described C phase winding.
Described support two ends are provided with end cap, also are provided with fan and fan housing at an end of support.
Described rotor is a cage rotor, and it comprises rotor core and rotor bar.
Described capacitor I and capacitor II are installed in casing inside or are installed in the casing outside.
The three-winding single phase induction motor of novel bind mode of the present utility model, it comprises support, installation shaft in it is installed stator in support, rotor is installed on axle, described rotor and conventional induction motor are basic identical, be cage rotor, three phase windings are arranged on the motor stator, winding axis is 120 ° of electrical degrees of mutual deviation spatially, adopt special connection, external two capacitors.The two ends of described casing are provided with end cap, are provided with fan.
Motor stator winding has 3 cover windings in the utility model, the space differs 120 ° of electrical degrees, six terminals of winding connect with two capacitors respectively, A phase winding and a capacitor I are composed in series a branch road, connect single phase poaer supply, the C phase winding be composed in series another branch road with the B phase winding after another capacitor I I is in parallel, this branch road is connected in parallel on the capacitor I.Electric current among the capacitor I I be in A phase winding and the B phase winding electric current and, the electric current in the capacitor I be in B phase winding and the C phase winding electric current with.Its basic functional principle is as follows: because the C phase winding is incorporated capacitor I I into, B phase winding and C phase winding are incorporated capacitor I into, therefore B phase winding current phase lags behind, C phase winding current phase is leading, A phase winding current phase remains unchanged, make that electric current keeps symmetry status in three windings, thereby motor is realized near symmetrical operation basically.
The beneficial effects of the utility model are, the structure uniqueness, and the mode of connection is simple, can effectively reduce core dimensions, improves efficiency of motor, energy savings.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a stator winding connection diagram of the present utility model;
Fig. 3 is the utility model stator wiring schematic diagram.
Wherein 1-rotating shaft, 2-bearing, 3-end cap, 4-stator winding, 41-A phase winding, 42-B phase winding, the 43-C phase winding, 5-support, 6-stator core, 7-rotor bar, 8-rotor core, the 9-fan, 10-fan housing, 11-capacitor I, 12-capacitor II, 13-single phase poaer supply.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
Among Fig. 1, the three-winding single phase induction motor of novel connecting method, it comprises casing, casing is provided with support 5, is provided with end cap 3 at support 5 two ends, also is provided with fan 9 and fan housing 10 at an end of support 5.Its interior rotating shaft 1 and bearing 2 installed of casing is equipped with rotor in rotating shaft 1, rotor is a cage rotor, and it comprises rotor core 8 and rotor bar 7.Be provided with stator core 6 in casing, stator core 6 is provided with stator winding 4, and stator winding 4 has three covers, is respectively A phase winding 41, B phase winding 42 and C phase winding 43, as Fig. 2, shown in Figure 3.A phase winding 41 and a capacitor I 11 are composed in series a branch road, connect single phase poaer supply 13, C phase winding 43 be composed in series another branch road with B phase winding 42 after another capacitor I I12 is in parallel, this branch road is connected in parallel on the capacitor I 11, electric current among the capacitor I I12 be A phase winding 41 with B phase winding 42 in electric current and, the electric current in the capacitor I 11 be B phase winding 42 with C phase winding 43 in electric current and.Among Fig. 3, a, b and c are respectively the end of the same name of A phase winding 41, B phase winding 42 and C phase winding 43.
Claims (6)
1. the three-winding single phase induction motor of a novel connecting method, it comprises support, rotating shaft is installed in support, rotor is installed in rotating shaft, in support, also be provided with stator core simultaneously, stator core is provided with stator winding, it is characterized in that described stator winding has three covers, each winding axis is certain electrical degree in the space, all six terminals of winding connect with two capacitors respectively, and electric current keeps near symmetry status in three windings.
2. the three-winding single phase induction motor of novel connecting method as claimed in claim 1, it is characterized in that, described stator winding is made of by Y type solution A phase winding, B phase winding and C phase winding, and wherein A phase winding and a capacitor I are composed in series a branch road, connects single phase poaer supply; The C phase winding be composed in series another branch road with the B phase winding after another capacitor I I is in parallel, this branch road is connected in parallel on the capacitor I; Electric current among the capacitor I I be in A phase winding and the B phase winding electric current and, the electric current in the capacitor I be in B phase winding and the C phase winding electric current and.
3. the three-winding single phase induction motor of novel connecting method as claimed in claim 2 is characterized in that, the client link of the same name that goes out to hold direct and other windings of described C phase winding.
4. the three-winding single phase induction motor of novel connecting method as claimed in claim 1 is characterized in that, described support two ends are provided with end cap, also is provided with fan and fan housing at an end of support.
5. the three-winding single phase induction motor of novel connecting method as claimed in claim 1 is characterized in that, described rotor is a cage rotor, and it comprises rotor core and rotor bar.
6. the three-winding single phase induction motor of novel connecting method as claimed in claim 1 or 2 is characterized in that, described capacitor I and capacitor II are installed in casing inside or are installed in the casing outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200222707U CN201365179Y (en) | 2009-02-26 | 2009-02-26 | Three-winding single-phase induction motor with novel connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200222707U CN201365179Y (en) | 2009-02-26 | 2009-02-26 | Three-winding single-phase induction motor with novel connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201365179Y true CN201365179Y (en) | 2009-12-16 |
Family
ID=41475848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200222707U Expired - Fee Related CN201365179Y (en) | 2009-02-26 | 2009-02-26 | Three-winding single-phase induction motor with novel connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201365179Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478939A (en) * | 2017-09-30 | 2017-12-15 | 广东威灵电机制造有限公司 | The stator winding symmetry detection methods and detection means of motor |
-
2009
- 2009-02-26 CN CNU2009200222707U patent/CN201365179Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478939A (en) * | 2017-09-30 | 2017-12-15 | 广东威灵电机制造有限公司 | The stator winding symmetry detection methods and detection means of motor |
| CN107478939B (en) * | 2017-09-30 | 2020-02-11 | 广东威灵电机制造有限公司 | Method and device for detecting symmetry of stator winding of motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100568677C (en) | A kind of pair of stator, single rotor disc type brushless double feed alternating current machine | |
| CN101488692B (en) | Three-winding single phase induction motor | |
| CN102005880B (en) | Three-winding parallel single-phase induction motor | |
| CN103730994A (en) | Remanufacturing method for inefficient three-phase asynchronous motor | |
| CN102868246B (en) | High-capacity low-speed permanent-magnet wind-driven generator | |
| CN201821237U (en) | Double-characteristic three-phase motor provided with single stator and double rotors | |
| CN201365179Y (en) | Three-winding single-phase induction motor with novel connection | |
| CN201504132U (en) | Rotor structure for switched reluctance motor | |
| CN207117326U (en) | The groove ceiling-fan motor of 70 pole 63 | |
| CN201204525Y (en) | Integral multi-speed multi-power motor | |
| CN206712637U (en) | Double shaft-extension asynchronous starting permanent magnet synchronous motor | |
| CN206323273U (en) | A kind of double-stator permanent magnet synchronous motor | |
| CN101958617A (en) | Double-characteristic three-phase motor with matching of double rotors and single stator | |
| CN204652189U (en) | Minisize dc formula motor | |
| CN101667758A (en) | Rotor structure of switched reluctance motor | |
| CN203774911U (en) | 12-pole squirrel-cage-free full-iron-core permanent-magnet submersible motor special for screw pump | |
| CN2829207Y (en) | Rare earth permanent starting generator | |
| CN203708055U (en) | DC motor with induction power-generating function | |
| CN202094774U (en) | Direct-drive solid-rotor asynchronous wind power generator system with concentric dual stator structure | |
| CN201774425U (en) | Three-phase four-pole brushless DC (direct current) motor | |
| CN202906705U (en) | Low voltage asynchronous motor used in electric fork-lift truck | |
| CN201953572U (en) | Direct-driven switched reluctance wind power generator system with concentric two-stator structure | |
| CN201181894Y (en) | Permanent-magnet frequency-conversion full-power electric motor | |
| CN104852492A (en) | Pump efficient permanent magnet motor | |
| CN204992993U (en) | A single -phase asynchronous motor for high pressure cleaner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20110226 |