CN112332560A - High-efficiency motor with oppositely distributed buckling points - Google Patents
High-efficiency motor with oppositely distributed buckling points Download PDFInfo
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- CN112332560A CN112332560A CN202011161681.1A CN202011161681A CN112332560A CN 112332560 A CN112332560 A CN 112332560A CN 202011161681 A CN202011161681 A CN 202011161681A CN 112332560 A CN112332560 A CN 112332560A
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- chip
- points
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- central plane
- stator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/141—Stator cores with salient poles consisting of C-shaped cores
- H02K1/143—Stator cores with salient poles consisting of C-shaped cores of the horse-shoe type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Abstract
The invention discloses a high-efficiency motor with oppositely distributed buckling points, which comprises an upper end cover and a lower end cover, wherein a stator is arranged between the upper end cover and the lower end cover, a rotor is arranged in the stator, the stator is formed by stacking a plurality of chips, the chips are provided with a first geometric central plane and a second geometric central plane which are vertical to each other, the first geometric central plane is parallel to the length direction of the chips, the second geometric central plane is parallel to the width direction of the chips, the inner sides of the chips are provided with two bolt holes, the axes of the two bolt holes are both positioned on the first geometric central plane, the chips are provided with three pairs of buckling points, the two buckling points on the same pair of buckling points are symmetrically distributed relative to the axes of the chips, a connecting line is formed between the two buckling points, the connecting line of one pair of buckling points is positioned on the first geometric central plane, and the included angles between the connecting lines of the. The invention has the advantages of high motor efficiency and low working temperature.
Description
Technical Field
The invention belongs to the field of motors for household stirrers, and particularly relates to a high-efficiency motor with oppositely distributed buckling points for a household stirrer.
Background
The motor that current domestic agitator was used belongs to there being the brush motor, and the structure of motor, including upper and lower end cover, is equipped with the stator between the upper and lower end cover, is equipped with the rotor in the stator, and the stator is piled up by the multi-disc chip and forms, and the structure of chip is as shown in figure 2, and the left and right sides symmetric distribution, the upper and lower lateral symmetric distribution of chip have mutually perpendicular first geometric centre plane and second geometric centre plane promptly on the chip, and first geometric centre plane is on a parallel with the length direction of chip, and second geometric centre plane is on a parallel with the width direction of chip. The inner side of the chip is provided with two bolt holes, the axes of the two bolt holes are located on the first geometric central plane, and the bolt holes are used for enabling the stator formed by stacking the chips to be fixed with the upper end cover and the lower end cover of the motor through bolts. The chip is provided with 8 buckling points which are uniformly distributed along the inner side of the outer contour and are used for fixing adjacent chips. In the using process, the highest motor efficiency of the existing motor can only reach 37.4 percent, the motor efficiency is low, a large amount of electric energy does useless work and can not be utilized, the electric energy is converted into heat, the temperature rise of the motor is fast, the working temperature is high, and components of the motor are easy to age, so that the service life of the motor is shortened. Therefore, the existing motor for the household stirrer has the defects of low motor efficiency and high working temperature.
Disclosure of Invention
The invention aims to provide a high-efficiency motor with oppositely distributed fastening points. The invention has the advantages of high motor efficiency and low working temperature.
The technical scheme of the invention is as follows: the utility model provides a high efficiency motor that knot point opposition distributes, includes upper and lower end cover, is equipped with the stator between the upper and lower end cover, is equipped with the rotor in the stator, and the stator is piled up by the multi-disc chip and forms, has two mutual first geometry central plane and the second geometry central plane of being perpendicular each other on the chip, and first geometry central plane is on a parallel with the length direction of chip, and the second geometry central plane is on a parallel with the breadth direction of chip, and the inboard of chip is equipped with two bolt holes, and the axis of two bolt holes all lies in first geometry central plane, be equipped with three pairs of knot points on the chip, two knot points on same pair of knot point are about the axis symmetric distribution of chip, form the connecting wire between two knot points, and wherein the connecting wire of one pair of knot point lies in first geometry central plane, and the contained angle between the connecting wire of two pairs of knot points and.
In the high-efficiency motor with oppositely distributed buckling points, the outer diameter of the chip is 50-60mm, and the included angle between the connecting line of the other two pairs of buckling points and the second geometric central plane is not more than 10 degrees.
In the high-efficiency motor with oppositely distributed buckling points, the connecting lines of the other two pairs of buckling points have the same included angle with the second geometric central plane.
In the high-efficiency motor with oppositely distributed buckling points, the length of each buckling point is 3mm, and the width of each buckling point is 0.6 mm.
Compared with the prior art, the invention improves the chip of the existing motor stator, reduces the number of 8 buckling points on the original chip to 6 in three pairs, and oppositely distributes the same pair of buckling points, namely symmetrically distributes the buckling points on two sides of the axis of the chip, and makes the position of the buckling points as close as possible to the geometric center line of the chip on the premise of not influencing the strength of the chip, thereby reducing the damage of the buckling points to the magnetic circuit of the stator, improving the efficiency of the motor, reducing the temperature rise speed of the motor and lowering the working temperature. Through experimental analysis, the motor efficiency of the invention can be improved by 14.2%, and the working temperature can be reduced by 10 ℃ under the same working environment. Therefore, the invention has the advantages of high motor efficiency and low working temperature.
Drawings
Fig. 1 is a front view of a stator core plate of the present invention.
Fig. 2 is a front view of a stator core of a conventional motor.
The labels in the figures are: 1-first geometric central plane, 2-second geometric central plane, 3-bolt hole, 4-fastening point and 5-connecting line.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Example 1. A high-efficiency motor with oppositely distributed fastening points comprises an upper end cover and a lower end cover, a stator is arranged between the upper end cover and the lower end cover, a rotor is arranged in the stator, the stator is formed by stacking a plurality of chips, as shown in figure 1, the outline of each chip is circular, the upper part, the lower part, the left part and the right part of each chip are provided with tangent planes, four tangent planes are positioned on a rectangle, the central line of the rectangle is coaxial with the axis of each chip, the chip is provided with a first geometric central plane 1 and a second geometric central plane 2 which are mutually vertical, the first geometric central plane 1 is parallel to the length direction of the chip, the second geometric central plane 2 is parallel to the width direction of the chip, the inner side of the chip is provided with two bolt holes 3, the axes of the two bolt holes 3 are positioned on the first geometric central plane 1, the high-efficiency motor is characterized in that three pairs of fastening points 4 are arranged on the chip, the three pairs of fastening points, a connecting line 5 is formed between the two buckling points 4, wherein the connecting line 5 of one pair of buckling points 4 is positioned on the first geometric central plane 1, and the connecting lines 5 of the other two pairs of buckling points 4 are respectively provided with an included angle of 5 degrees with the second geometric central plane 2.
The outer diameter of the chip is 54mm, and the length and the width of the buckling point 4 are 3mm and 0.6mm respectively.
Example 2. In contrast to example 1, the connecting lines 5 of the two further pairs of fastening points 4 each enclose an angle of 10 ° with the second geometric center plane 2.
Example 3. In contrast to example 1, the connecting line 5 of the two further pairs of fastening points 4 forms an angle of 22.5 ° with the second geometric center plane 2.
And (4) carrying out comparative experiments. The motor of example 1 was tested to obtain the parameters of table 1, and the existing motor was tested to obtain the parameters of table 2.
TABLE 1
TABLE 2
As can be seen from tables 1 and 2, when the output powers of the two motors are the same, the input power of the motor in embodiment 1 should be smaller than the input power of the existing motor, the motor efficiency of the motor in embodiment 1 should be higher than that of the existing motor, the maximum motor efficiency of the motor in embodiment 1 can reach 42.7%, and the maximum motor efficiency of the existing motor can only reach 37.4%.
The motor of the embodiment 1 runs for one hour under the state of the maximum motor efficiency, the existing motor runs for one hour under the state of the maximum motor efficiency, the temperature rise amplitudes of the motor and the existing motor are compared, and the detection shows that the temperature rise of the motor of the embodiment 1 is 10 ℃ lower than that of the existing motor.
The invention reduces the number of 8 buckling points on the stator chip of the existing motor to 6 in three pairs, and the same pair of buckling points are oppositely distributed, namely symmetrically arranged and distributed on two sides of the axis of the chip, and the positions of the buckling points are as close to the geometric center line of the chip as possible on the premise of not influencing the strength of the chip, so that the damage of the buckling points to the stator magnetic circuit can be reduced, thereby improving the efficiency of the motor, reducing the temperature rise speed of the motor and lowering the working temperature. Through experimental analysis, the motor efficiency of the invention can be improved by 14.2%, and the working temperature can be reduced by 10 ℃ under the same working environment. Therefore, the invention has the advantages of high motor efficiency and low working temperature.
Claims (4)
1. The utility model provides a high efficiency motor that knot point opposition distributes, including upper and lower end cover, be equipped with the stator between the upper and lower end cover, be equipped with the rotor in the stator, the stator is piled up by the multi-disc chip and forms, have two mutual first geometric centre face (1) and the geometric centre face of second (2) that are perpendicular on the chip, first geometric centre face (1) is on a parallel with the length of chip to, the geometric centre face of second (2) is on a parallel with the width of chip to, the inboard of chip is equipped with two bolt holes (3), the axis of two bolt holes (3) all lies in on first geometric centre face (1), its characterized in that: be equipped with three pairs of knot points (4) on the chip, two knot points (4) on the same pair of knot point (4) are about the axis symmetric distribution of chip, form connecting wire (5) between two knot points (4), and wherein connecting wire (5) of a pair of knot point (4) lie in on first geometric centre plane (1), and connecting wire (5) and the contained angle between second geometric centre plane (2) of two pairs of knot points (4) do not all exceed 22.5 in addition.
2. High efficiency electric machine with opposite distribution of the fastening points (4) according to claim 1, characterized in that: the outer diameter of the chip is 50-60mm, and the included angle between the connecting line (5) of the other two pairs of buckling points (4) and the second geometric central plane (2) is not more than 10 degrees.
3. High efficiency electric machine with opposite distribution of the fastening points (4) according to claim 2, characterized in that: and the connecting lines (5) of the other two pairs of buckling points (4) have the same included angle with the second geometric central plane (2).
4. High efficiency electric machine with opposite distribution of the fastening points (4) according to claim 2, characterized in that: the length of the buckling point (4) is 3mm, and the width of the buckling point is 0.6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011161681.1A CN112332560A (en) | 2020-10-27 | 2020-10-27 | High-efficiency motor with oppositely distributed buckling points |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011161681.1A CN112332560A (en) | 2020-10-27 | 2020-10-27 | High-efficiency motor with oppositely distributed buckling points |
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| Publication Number | Publication Date |
|---|---|
| CN112332560A true CN112332560A (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011161681.1A Pending CN112332560A (en) | 2020-10-27 | 2020-10-27 | High-efficiency motor with oppositely distributed buckling points |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453474A (en) * | 2002-04-22 | 2003-11-05 | 松下冷机株式会社 | Electric compressor |
| CN204597647U (en) * | 2015-05-13 | 2015-08-26 | 宁波奥博汽车电器有限公司 | A kind of laminated stator structure |
| CN107124050A (en) * | 2017-06-28 | 2017-09-01 | 安徽美芝制冷设备有限公司 | Stator punching, motor and compressor |
| CN108365685A (en) * | 2018-03-05 | 2018-08-03 | 深圳市长锦成电器有限公司 | A kind of motor |
| CN209823526U (en) * | 2019-06-24 | 2019-12-20 | 厦门欣众达科技有限公司 | Connecting structure of motor bracket and stator core |
| CN211209523U (en) * | 2019-08-21 | 2020-08-07 | 江门市恒润电器有限公司 | Novel chip motor |
| CN213402587U (en) * | 2020-10-27 | 2021-06-08 | 浙江美茵电机有限公司 | High-efficiency motor with oppositely distributed fastening points |
-
2020
- 2020-10-27 CN CN202011161681.1A patent/CN112332560A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453474A (en) * | 2002-04-22 | 2003-11-05 | 松下冷机株式会社 | Electric compressor |
| CN204597647U (en) * | 2015-05-13 | 2015-08-26 | 宁波奥博汽车电器有限公司 | A kind of laminated stator structure |
| CN107124050A (en) * | 2017-06-28 | 2017-09-01 | 安徽美芝制冷设备有限公司 | Stator punching, motor and compressor |
| CN108365685A (en) * | 2018-03-05 | 2018-08-03 | 深圳市长锦成电器有限公司 | A kind of motor |
| CN209823526U (en) * | 2019-06-24 | 2019-12-20 | 厦门欣众达科技有限公司 | Connecting structure of motor bracket and stator core |
| CN211209523U (en) * | 2019-08-21 | 2020-08-07 | 江门市恒润电器有限公司 | Novel chip motor |
| CN213402587U (en) * | 2020-10-27 | 2021-06-08 | 浙江美茵电机有限公司 | High-efficiency motor with oppositely distributed fastening points |
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