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CN103516157A - Two-cage rotor punching sheet for 2P motor with low voltage and large power - Google Patents

Two-cage rotor punching sheet for 2P motor with low voltage and large power Download PDF

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Publication number
CN103516157A
CN103516157A CN201310466679.9A CN201310466679A CN103516157A CN 103516157 A CN103516157 A CN 103516157A CN 201310466679 A CN201310466679 A CN 201310466679A CN 103516157 A CN103516157 A CN 103516157A
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CN
China
Prior art keywords
cell body
punching
punching sheet
punching groove
groove
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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.)
Pending
Application number
CN201310466679.9A
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Chinese (zh)
Inventor
陈涛
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Zhongda Motors Co Ltd
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Zhongda Motors Co Ltd
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Filing date
Publication date
Application filed by Zhongda Motors Co Ltd filed Critical Zhongda Motors Co Ltd
Priority to CN201310466679.9A priority Critical patent/CN103516157A/en
Publication of CN103516157A publication Critical patent/CN103516157A/en
Pending legal-status Critical Current

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  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The invention relates to a two-cage rotor punching sheet for a 2P motor with low voltage and large power. The two-cage rotor punching sheet comprises a rotor punching sheet body, a plurality of rotor punching sheet grooves are evenly formed in the rotor punching sheet body, and each rotor punching sheet groove comprises a punching sheet first groove body, a punching sheet second groove body, a punching sheet third groove body, a punching sheet fourth groove body and a punching sheet fifth groove body. On the cross section of the rotor punching sheet body, the punching sheet first groove body, the punching sheet third groove body and the punching sheet fifth groove body are respectively in an arc shape, the punching sheet second groove body is in a rectangular shape, the punching sheet fourth groove body is in an isosceles trapezoid shape, the bottom of the punching sheet first groove body is connected with the top end of a punching sheet second conductor, and the bottom end of the punching sheet second groove body is connected with the top end of the punching sheet fifth groove body. The two-cage rotor punching sheet for the 2P motor with low voltage and large power is simple and compact in structure, can improve efficiency of a electric motor and reduce electromagnetic noise, and is safe and reliable.

Description

The double-cage rotor punching of low-pressure high-power 2P motor
Technical field
The present invention relates to a kind of rotor punching, the double-cage rotor punching of especially a kind of low-pressure high-power 2P motor, belongs to the technical field of rotor punching.
Background technology
Along with the national economic development, deficient and its inevitable pollution gradually of traditional energy is more and more restricted its application, for making motor product can occupy larger market share, develop efficient motor stator punching, reach reduction energy consumption cost, for client saves money, be that the current low-carbon economy productivity of bringing sustainable development, the requirements at the higher level that adapt to client are the effective ways of realizing this goal at present.
Be widely used at present the motor in the fields such as industry, agricultural, business, building industry and traffic, the defect such as ubiquity efficiency is low, energy consumption is large, can not meet the requirement of efficient and energy-saving and emission-reduction.
Rotor punching is the key components and parts in motor, and its material, inner circle size, excircle dimension, flute profile are big or small, how many etc. has direct impact to the efficiency of motor.And use in the market maximum Y2 Series Motors, its rotor punching cannot reach the object that improves electric efficiency, and in long-term use procedure, realize that it also exists the defects such as electromagnetic noise is large, starting current is large, torque is little, particularly center height is that its above-mentioned defect of 355X-2 utmost point motor is more outstanding.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the double-cage rotor punching of a kind of low-pressure high-power 2P motor is provided, it is simple and compact for structure, can improve the efficiency of motor, reduces electromagnetic noise, safe and reliable.
According to technical scheme provided by the invention, the double-cage rotor punching of described low-pressure high-power 2P motor, comprises rotor punching body, evenly offers some rotor punching grooves on rotor punching body; Described rotor punching groove comprises punching groove the first cell body, punching groove the second cell body, punching groove the 3rd cell body, punching groove the 4th cell body and punching groove the 5th cell body; On the cross section of described rotor punching body, punching groove the first cell body, punching groove the 3rd cell body and punching groove the 5th cell body are all circular-arc, punching groove the second cell body is rectangular, punching groove the 4th cell body is isosceles trapezoid shape, the bottom of punching groove the first cell body is connected with the top of punching groove the second conductor, the bottom of punching groove the second cell body is connected with the top of punching groove the 3rd cell body, and the bottom of punching groove the 3rd cell body is connected with the top of punching groove the 5th cell body by punching groove the 4th cell body.
40 rotor punching grooves are set on described rotor punching body.The width of described punching groove the first cell body is 3mm ~ 4mm, and the height of punching groove the first cell body is 3mm ~ 4mm.
The width of described punching groove the second cell body is 1.5mm ~ 2.5mm, and the height of punching groove the second cell body is 7.5mm ~ 8.5mm.
The width of described punching groove the 3rd cell body is 12mm ~ 13mm, and the width of punching groove the 5th cell body is 6mm ~ 7mm, and the height at the center of the center of punching groove the 3rd cell body and punching groove the 5th cell body is 40.5mm ~ 41.5mm.
Advantage of the present invention: only need to change the diel of rotor punching, do not change original assembling mode of motor; This punching is the rotor core of the 355X-2 utmost point for high efficiency motor center height, can improve the efficiency of motor, and in long-term use procedure, electromagnetic noise is little, starting current is little, and torque is large.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the partial enlarged drawing of I in Fig. 1.
Description of reference numerals: 1-rotor punching body, 2-rotor punching groove, 3-punching groove the first cell body, 4-punching groove the second cell body, 5-punching groove the 3rd cell body, 6-punching groove the 4th cell body and 7-punching groove the 5th cell body.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As depicted in figs. 1 and 2: in order to improve the efficiency of motor, and be reduced in the noise producing in long-term use procedure, the present invention includes rotor punching body 1, on rotor punching body 1, evenly offer some rotor punching grooves 2; Described rotor punching groove 2 comprises punching groove the first cell body 3, punching groove the second cell body 4, punching groove the 3rd cell body 5, punching groove the 4th cell body 6 and punching groove the 5th cell body 7; On the cross section of described rotor punching body 1, punching groove the first cell body 3, punching groove the 3rd cell body 5 and punching groove the 5th cell body 7 are all circular-arc, punching groove the second cell body 4 is rectangular, punching groove the 4th cell body 5 is isosceles trapezoid shape, the bottom of punching groove the first cell body 3 is connected with the top of punching groove the second conductor 4, the bottom of punching groove the second cell body 4 is connected with the top of punching groove the 3rd cell body 5, and the bottom of punching groove the 3rd cell body 5 is connected with the top of punching groove the 5th cell body 7 by punching groove the 4th cell body 6.
Particularly, on described rotor punching body 1,40 rotor punching grooves 2 are set.The width br1 of described punching groove the first cell body 3 is 3mm ~ 4mm, and the height hr2 of punching groove the first cell body 3 is 3mm ~ 4mm.
The width br2 of described punching groove the second cell body 4 is 1.5mm ~ 2.5mm, and the height hr12 of punching groove the second cell body 4 is 7.5mm ~ 8.5mm.The width br3 of described punching groove the 3rd cell body 5 is 12mm ~ 13mm, and the width br4 of punching groove the 5th cell body 7 is 6mm ~ 7mm, and the height hr3 at the center of the center of punching groove the 3rd cell body 5 and punching groove the 5th cell body 7 is 40.5mm ~ 41.5mm.
In the specific implementation, with 50WW470 cold-reduced silicon sheet, on punch press, go out rotor punching body 1, on rotor punching body 1, be provided with 40 grooves 2.The present invention program does not change original assembling mode of motor, and wherein, during enforcement, the width br1 of described punching groove the first cell body 3 is 3.5mm, and the height hr2 of punching groove the first cell body 3 is 3.5mm.The width br2 of described punching groove the second cell body 4 is 2mm, and the height hr12 of punching groove the second cell body 4 is 7mm.The width br3 of described punching groove the 3rd cell body 5 is 12.5mm, the width br4 of punching groove the 5th cell body 7 is 6.5mm, rotor shoulder slope angle number zs2 is 0 degree, and the high hr0 of rotor notch is 0.7mm, and the height hr3 at the center of the center of punching groove the 3rd cell body 5 and punching groove the 5th cell body 7 is 41mm.
The present invention only need change the diel of rotor punching, does not change original assembling mode of motor; This punching is the rotor core of the 355X-2 utmost point for high efficiency motor center height, can improve the efficiency of motor, and in long-term use procedure, electromagnetic noise is little, starting current is little, and torque is large.

Claims (4)

1. a low-pressure high-power 2P motor double-cage rotor punching, comprises rotor punching body (1), evenly offers some rotor punching grooves (2) on rotor punching body (1), it is characterized in that: described rotor punching groove (2) comprises punching groove the first cell body (3), punching groove the second cell body (4), punching groove the 3rd cell body (5), punching groove the 4th cell body (6) and punching groove the 5th cell body (7), on the cross section of described rotor punching body (1), punching groove the first cell body (3), punching groove the 3rd cell body (5) and punching groove the 5th cell body (7) are all circular-arc, punching groove the second cell body (4) is rectangular, punching groove the 4th cell body (5) is isosceles trapezoid shape, the bottom of punching groove the first cell body (3) is connected with the top of punching groove the second conductor (4), the bottom of punching groove the second cell body (4) is connected with the top of punching groove the 3rd cell body (5), the bottom of punching groove the 3rd cell body (5) is connected with the top of punching groove the 5th cell body (7) by punching groove the 4th cell body (6),
40 rotor punching grooves (2) are set on described rotor punching body (1).
2. low-pressure high-power 2P motor according to claim 1 double-cage rotor punching, is characterized in that: the width of described punching groove the first cell body (3) is 3mm ~ 4mm, and the height of punching groove the first cell body (3) is 3mm ~ 4mm.
3. low-pressure high-power 2P motor according to claim 1 double-cage rotor punching, is characterized in that: the width of described punching groove the second cell body (4) is 1.5mm ~ 2.5mm, and the height of punching groove the second cell body (4) is 7.5mm ~ 8.5mm.
4. low-pressure high-power 2P motor according to claim 1 double-cage rotor punching, it is characterized in that: the width of described punching groove the 3rd cell body (5) is 12mm ~ 13mm, the width of punching groove the 5th cell body (7) is 6mm ~ 7mm, and the height at the center of the center of punching groove the 3rd cell body (5) and punching groove the 5th cell body (7) is 40.5mm ~ 41.5mm.
CN201310466679.9A 2013-10-09 2013-10-09 Two-cage rotor punching sheet for 2P motor with low voltage and large power Pending CN103516157A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310466679.9A CN103516157A (en) 2013-10-09 2013-10-09 Two-cage rotor punching sheet for 2P motor with low voltage and large power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310466679.9A CN103516157A (en) 2013-10-09 2013-10-09 Two-cage rotor punching sheet for 2P motor with low voltage and large power

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CN103516157A true CN103516157A (en) 2014-01-15

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01129738A (en) * 1987-11-16 1989-05-23 Shinko Electric Co Ltd Motor or squirrel-cage induction motor
CN102780346A (en) * 2012-07-06 2012-11-14 重庆市乐尔佳机械有限公司 Ultra-energy-saving 18500W two-pole three-phase asynchronous electric motor
CN203522477U (en) * 2013-10-09 2014-04-02 中达电机股份有限公司 Double squirrel cage rotor punching sheet for low-voltage high-power 2P motor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01129738A (en) * 1987-11-16 1989-05-23 Shinko Electric Co Ltd Motor or squirrel-cage induction motor
CN102780346A (en) * 2012-07-06 2012-11-14 重庆市乐尔佳机械有限公司 Ultra-energy-saving 18500W two-pole three-phase asynchronous electric motor
CN203522477U (en) * 2013-10-09 2014-04-02 中达电机股份有限公司 Double squirrel cage rotor punching sheet for low-voltage high-power 2P motor

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Application publication date: 20140115