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Ultra-high-efficiency 250-watt six-pole three-phase asynchronous motor

A three-phase asynchronous, ultra-high-efficiency technology, applied in the field of electric motors, can solve problems such as unsatisfactory energy-saving effects, and achieve the effects of improving energy conversion efficiency, improving energy conversion efficiency, and reducing energy loss

Inactive Publication Date: 2012-11-14
CHONGQING LEERJIA MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Most of the 250-watt 6-pole three-phase asynchronous motors currently on the market are IE1 grades, and their energy conversion efficiency is 59.0%. Meet the current needs of developing a low-carbon economy

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  • Ultra-high-efficiency 250-watt six-pole three-phase asynchronous motor

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with embodiment.

[0015] Such as figure 1 As shown, the present invention includes two main parts of the stator 1 and the rotor 2, the basic material, structure and manufacturing method are the same as the common 250-watt 6-pole three-phase asynchronous motor, the difference is that the stator outer diameter 12 is made 12.50cm, and the stator The inner diameter 8 is made into 8.00cm, and the number of stator punching slots 6 is made into 36 and evenly distributed in a ring shape. The groove shape of the stator punching slots 6 is made into a groove with an oblique shoulder and a round bottom, and the slot width 61 is made into 2.20 mm, slot height 62 to 0.80mm, slot depth 63 to 8.50mm, slot shoulder width 64 to 4.20mm, slot shoulder height 65 to 0.346mm, slot bottom radius 66 to 2.75mm, the stator buckle The center line 9 of the slot passes through the middle of the two slots of the stator punching ...

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Abstract

An ultra-high-efficiency 250-watt six-pole three-phase asynchronous motor comprises a stator and a rotor. The external diameter and the internal diameter of each of the stator and the rotor, the core length and the number, the shape and the size of punching sheet slots are optimized and reasonably designed systematically to enable loss of a stator winding, a rotor winding and a core to be greatly reduced. With the 250-watt output power, compared with existing like products, the ultra-high-efficiency 250-watt six-pole three-phase asynchronous motor has the advantages that rotational speed is increased from 757r / min to 932r / min; total electric energy loss is decreased from 500.5w to 75.6w, and energy is saved by 84.90%; energy conversion efficiency is greatly increased from 33.3% to 76.8%, is increased by 43.5% and is 1.8% higher than the highest international grade standard of 75.0%; and since a central line of a stator cramp slot is designed to penetrate through the middles of two of the stator punching sheet slots, radial electromagnetic force waves in air gaps are weakened, electromagnetic vibration is reduced, and electromagnetic noise is reduced.

Description

technical field [0001] The invention relates to a motor, in particular to a super-efficient 250-watt 6-pole three-phase asynchronous motor. Background technique [0002] The motor has a history of nearly 200 years since its inception, and the three-phase asynchronous motor has a history of more than 100 years. At present, it is widely used in various industries such as industry, agriculture, forestry, animal husbandry, and various fields of life. The necessary equipment in industrial production and people's life, but at the same time it has also become the electrical equipment that consumes the most energy in production and life, so how to make the motor energy-saving and environmentally friendly has become an important issue in front of people. China is the largest power consumer in Asia, and is also the developing country with the most serious power shortage in the world. Since 1992, China's annual power generation and power consumption have ranked second in the world. Mos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K17/12H02K1/16H02K1/26
Inventor 吕三元
Owner CHONGQING LEERJIA MACHINERY
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