CN2840496Y - Single-phase capacitor running motor for washing machine - Google Patents
Single-phase capacitor running motor for washing machine Download PDFInfo
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- CN2840496Y CN2840496Y CN 200520064739 CN200520064739U CN2840496Y CN 2840496 Y CN2840496 Y CN 2840496Y CN 200520064739 CN200520064739 CN 200520064739 CN 200520064739 U CN200520064739 U CN 200520064739U CN 2840496 Y CN2840496 Y CN 2840496Y
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Abstract
The utility model relates to a single-phase capacitor running motor for a washing machine, the rated output power is 40 to 250 W and the rated slip ratio is 0.12 +_0.08. A stator core stamping sheet is a square and circular outer shape which has a square dimension 108 +_1 mm and is reversely parovided with circular arcs at four corners. Twenty-four grooves are evenly distributed with equal tooth width, and the teeth are taken as the symmetrical center. The circular arc sections of the four corners are respectively provided with four deep grooves, and four straight line sections are respectively provided with two shallow grooves. A stator inserted line has three phases, four polars and a single layer, the pitch is 5, the first phase is distributed in the shallow groove, the second phase and the third phase are distributed in the deep groove and the effective turn ratio of the windings of the second phase and the third phase is 1. The tail ends of the windings of the three phases are connected together, the starting ends of the windings of the second and the third phases are connected with a capacitor, and one starting end of the windings of the second and the third phases and the starting end of the first phase are connected with a single-phase power supply. The utility model is characterized in that effective turn ratio of the first phase and the second phase is 0.325 +_0.025. The motor according to the turn ratio can well give attention to performance requirements of starting and running about the product standard, and the utility model can obtain good performance.
Description
Technical field
The utility model relates to a kind of use in washing machine single-phase capacitor operation motor, and in International Patent Classification (IPC), classification belongs to H02K17/08 or H02K3/28.
Background technology
The use in washing machine single-phase capacitor operation motor uses two-phase winding traditionally, and prior art has proposed to use three phase windings.Two input terminals that the motor stator of three phase windings has three phase windings that star or triangle connect and connects single phase poaer supply two utmost points be connected wherein the 3rd input terminal of a utmost point of described single phase poaer supply through capacitor.The facies tract of three phase windings is generally π/3, less than the facies tract pi/2 of two-phase winding, helps improving winding coefficient and weakens the serious triple-frequency harmonics of harm.It further designs and is to use outer square special-shaped groove stator punching, to improve the utilance of material, be found in the Chinese invention patent ublic specification of application CN85102499A use in washing machine motor of material " save " and " monopole asynchronous motor and application thereof (resultant current analytical method) " (Sun Yunpeng, China Machine Press Beijing in 1987 the 1st edition).Use the use in washing machine single-phase capacitor operation motor of outer square special-shaped groove stator punching and three phase windings, many design variables have been increased than conventional motors, it is quite complicated that magnetic circuit and circuit become, so far do not see that the comparison complete sum studies and method for designing accurately, cause design to adjust difficulty, be difficult to obtain preferable performance.
The utility model content
Technical problem to be solved in the utility model is, proposes a kind of electromagnetic structure of use in washing machine single-phase capacitor operation motor, and it is simple and clear to reach technical scheme, and convenient design is adjusted, to obtain preferable performance.
The technical scheme that the utility model solve the technical problem is a kind of use in washing machine single-phase capacitor operation motor, rated output power 40～250W, rated slip 0.12 ± 0.08; Stator iron-core lamination is square size 108 ± 1mm and 4 jiaos of circumference profiles that circular arc is arranged, and the facewidth such as 24 grooves are uniform, and is symmetrical centre with the tooth, at described 4 jiaos of arc sections 4 deep trouths is set respectively, and 4 straightways respectively are provided with 2 shallow slots; Stator built-in line is three-phase 4 utmost points, individual layer, pitch is 5, the 1st is distributed in shallow slot mutually, the 2nd is distributed in deep trouth mutually with the 3rd mutually, and effective turn ratio of the 2nd and the 3rd phase winding is that the end of 1, three phase winding links together, the 2nd is connected capacitor with the top of the 3rd phase winding mutually, and one of top of the 2nd phase and the 3rd phase winding is connected single phase poaer supply with the top of the 1st phase; The 1st is 0.325 ± 0.025 with the 2nd mutually effective turn ratio.
Common input and output require and outer square special-shaped groove stator punching this technical scheme at the use in washing machine single-phase capacitor operation motor, have proposed to relate to the suitable scope of design of the effective turn ratio of each phase winding of the use in washing machine single-phase capacitor operation motor that uses outer square special-shaped groove stator punching and three phase windings dexterously.Calculate and experimental verification through a large amount of, scope according to this turn ratio, under the fixed situation of iron-core lamination, design variable can be reduced to 3: the number of turn, core length and capacitance, the workload of having simplified this motor multivariable design greatly and having adjusted, thereby designed motor can be taken into account the performance requirement of product standard about starting and moving, the acquisition preferable performance preferably.
Further the beeline of the bottom land of two kinds of grooves of design and punching outer about equally, it is wide that it such as reaches at yoke, makes iron core obtain more abundant reasonable use.This design principle that is proposed promptly can the even groove punching of traditional product be of a size of the size that the basis obtains special-shaped groove, greatly the workload of simplified design and adjustment.
Technical solutions of the utility model and modular design thereof will further specify in embodiment.
Description of drawings
The following drawings is used to illustrate embodiment of the present utility model.
Fig. 1 is the utility model the 1st embodiment motor stator punching figure;
Fig. 2 is the utility model the 2nd embodiment motor stator punching figure;
Fig. 3 is that the utility model embodiment motor winding launches and winding diagram.
Embodiment
The utility model embodiment use in washing machine single-phase capacitor operation motor stator punching such as Fig. 1 or shown in Figure 2, winding distribution and wiring are as shown in Figure 3.It is a kind of use in washing machine single-phase capacitor operation motor (rated voltage 220V, frequency 50Hz, power output 140W, the rotating speed 1325r/m that meets national sector standard JB/T3758 requirement in prior art; Condenser capacity 12 μ F) on the basis, its stator core and winding modification are designed.
The structure that the utility model embodiment motor is continued to use this motor of prior art comprises:
---see Fig. 1, the square size B1=108mm of stator punching (holding the material situation can make the B1 design load have ± 1mm difference), 4 jiaos of arc diameter A1=114mm, inside diameter D 1=70mm; 24 groove round bottomed vessels, the facewidth such as parallel teeth are that symmetrical centre is uniform with the tooth, and high ho1 of notch and ho2 are 0.7mm, and slot opening bso1 and bso2 are 0.7mm, and groove shoulder slope angle zs1 and zs2 are 30 °, last bottom width bs11 and bs12 are 24.5mm;
---core length 33mm;
---connect the lead-out wire A of the neutral line of single phase poaer supply U, two lead-out wire B and C of cross-over connection capacitor, the phase line of single phase poaer supply U connects lead-out wire B or C;
---cage rotor and other mechanical mechanism.
The utility model the 1st embodiment motor is adjusted as follows to this motor designs of prior art:
---stator punching as shown in Figure 1,4 grooves of each on 4 jiaos of arc sections all change dark in Z2, mainly are that the waist height increases to hs11=9.5mm; Each 2 groove of 4 straightways all change shallow as Z1, mainly are that the waist height is reduced to hs12=5.7mm; After handling like this, the wide 9mm that is about of each several part yoke makes stator core obtain more abundant reasonable use, and rigidity has also increased.
---winding is that three-phase 4 utmost points, individual layer and pitch are 5 by Fig. 3 rule, and line directly is 0.41mm; The 1st mutually 4 coils series connection be distributed in the 4th and the 9th groove successively, the 15th and the 10th groove, the 16th and the 21st groove, the 3rd and the 22nd groove, totally 8 shallow slots, every groove conductor number average is 65, draw from the 22nd groove at top, terminally draws from the 4th groove; The 2nd mutually 4 coils series connection be distributed in the 24th and the 5th groove successively, the 23rd and the 18th groove, the 12nd and the 17th groove, the 11st and the 6th groove, totally 8 deep trouths, every groove conductor number average is 192, draw from the 6th groove at top, terminally draws from the 24th groove; The 3rd mutually 4 coils series connection be distributed in the 20th and the 1st groove successively, the 19th and the 14th groove, the 8th and the 13rd groove, the 7th and the 2nd groove, totally 8 deep trouths, every groove conductor number average is 192, draw from the 2nd groove at top, terminally draws from the 20th groove; The top of the 1st phase meets lead-out wire A, and the top of the 2nd phase meets lead-out wire B, and the top of the 3rd phase winding meets lead-out wire C, and the end of three phase windings links together.
Motor after the improvement keeps original performance, but joint copper surpasses 100 grams, and the copper factor reduction, has improved wire insertion technology.
The difference of the utility model the 2nd embodiment motor and the 1st embodiment motor mainly is:
---rated output power 150W, rotating speed 1280r/m;
---stator punching as shown in Figure 2 because the change of mounting means, the enlarged-diameter of 4 jiaos of arc sections is 138mm, yoke is wide thereby increase, and has reduced this part magnetic pressure and has fallen, and helps performance improvement;
---winding wire diameter 0.42mm, several 58, the 2 phases and the 3rd mutually every groove conductor several 186 of the 1st mutually every groove conductor.
The difference of the utility model the 3rd embodiment motor and the 2nd embodiment motor mainly is:
---power output 180W, rotating speed 1345r/m, condenser capacity 14 μ F;
---core length 38mm;
---winding wire diameter 0.45mm, several 54, the 2 phases and the 3rd mutually every groove conductor several 166 of the 1st mutually every groove conductor.
Above embodiment motor all meets national sector standard JB/T3758 requirement through experiment.
Claims (6)
1, a kind of use in washing machine single-phase capacitor operation motor, rated output power 40～250W, rated slip 0.12 ± 0.08; Stator iron-core lamination is square size 108 ± 1mm and 4 jiaos of circumference profiles that circular arc is arranged, and 24 grooves are that the facewidth such as symmetrical centre are uniform with the tooth, at described 4 jiaos of arc sections 4 deep trouths (Z2) are set respectively, and 4 straightways respectively are provided with 2 shallow slots (Z1); Stator built-in line is three-phase 4 utmost points, individual layer, pitch is 5, the 1st is distributed in shallow slot (Z1) mutually, the 2nd is distributed in deep trouth (Z2) mutually with the 3rd mutually, and effective turn ratio of the 2nd and the 3rd phase winding is that the end of 1, three phase winding links together, the 2nd is connected capacitor with the top of the 3rd phase winding mutually, and one of top of the 2nd phase and the 3rd phase winding is connected single phase poaer supply with the top of the 1st phase; It is characterized in that: the 1st is 0.325 ± 0.025 with the 2nd mutually effective turn ratio.
2, according to the described use in washing machine single-phase capacitor operation motor of claim 1, it is characterized in that: the beeline of the bottom land of described shallow slot and deep trouth and punching outer about equally.
3, according to claim 1 or the described use in washing machine single-phase capacitor operation motor of claim 2, it is characterized in that:
---the square 108mm that is of a size of of described stator iron-core lamination, internal diameter 70mm;
---described shallow slot and deep trouth are round bottomed vessel, and ((bso1 bso2) is 0.7mm to slot opening to the notch height, groove shoulder slope angle (zs1, zs2) 30 °, last bottom width (bs11, bs12) 4.5mm for ho1, ho2) 0.7mm; Shallow slot bottom width (bs22) 5.8mm, waist height (hs12) 5.7mm; Deep trouth bottom width (bs21) 6.8mm, waist height (hs12) 9.5mm.
4, according to the described use in washing machine single-phase capacitor operation motor of claim 3, it is characterized in that: specified electric 220V, frequency 50Hz, power output 140W, rotating speed 1325r/m; Condenser capacity 12 μ F; Core length (L) 33mm; Winding wire diameter 0.41mm, several 65, the 2 phases and the 3rd mutually every groove conductor several 192 of the 1st mutually every groove conductor.
5, according to the described use in washing machine single-phase capacitor operation motor of claim 3, it is characterized in that: rated voltage 220V, frequency 50Hz, power output 150W, rotating speed 1280r/m; Condenser capacity 12 μ F; Core length (L) 33mm; Winding wire diameter 0.42mm, several 58, the 2 phases and the 3rd mutually every groove conductor several 186 of the 1st mutually every groove conductor.
6, according to the described use in washing machine single-phase capacitor operation motor of claim 3, it is characterized in that: rated voltage 220V, frequency 50Hz, power output 180W, rotating speed 1345r/m; Condenser capacity 14 μ F; Core length (L) 38mm; Winding wire diameter 0.45mm, several 54, the 2 phases and the 3rd mutually every groove conductor several 166 of the 1st mutually every groove conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520064739 CN2840496Y (en) | 2005-09-19 | 2005-09-19 | Single-phase capacitor running motor for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520064739 CN2840496Y (en) | 2005-09-19 | 2005-09-19 | Single-phase capacitor running motor for washing machine |
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| Publication Number | Publication Date |
|---|---|
| CN2840496Y true CN2840496Y (en) | 2006-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520064739 Expired - Fee Related CN2840496Y (en) | 2005-09-19 | 2005-09-19 | Single-phase capacitor running motor for washing machine |
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| CN (1) | CN2840496Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325355B (en) * | 2007-06-14 | 2010-10-06 | 江门市洗衣机厂 | Three-phase winding Y-wiring single phase capacitance run motor for washing machine |
| CN101232207B (en) * | 2007-01-25 | 2010-11-03 | 黄石东贝电器股份有限公司 | Small groove-shaped motor stator punching for hermetically sealed compressor |
| CN101404426B (en) * | 2007-10-02 | 2011-06-22 | 日立空调·家用电器株式会社 | Permanent magnet type rotating electric machine for driving fan of washing and drying machine |
-
2005
- 2005-09-19 CN CN 200520064739 patent/CN2840496Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232207B (en) * | 2007-01-25 | 2010-11-03 | 黄石东贝电器股份有限公司 | Small groove-shaped motor stator punching for hermetically sealed compressor |
| CN101325355B (en) * | 2007-06-14 | 2010-10-06 | 江门市洗衣机厂 | Three-phase winding Y-wiring single phase capacitance run motor for washing machine |
| CN101404426B (en) * | 2007-10-02 | 2011-06-22 | 日立空调·家用电器株式会社 | Permanent magnet type rotating electric machine for driving fan of washing and drying machine |
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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: 20061122 Termination date: 20100919 |