CN205355985U - External rotor electric machine for compressor - Google Patents
External rotor electric machine for compressor Download PDFInfo
- Publication number
- CN205355985U CN205355985U CN201521126598.5U CN201521126598U CN205355985U CN 205355985 U CN205355985 U CN 205355985U CN 201521126598 U CN201521126598 U CN 201521126598U CN 205355985 U CN205355985 U CN 205355985U
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- screening glass
- compressor
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model provides an external rotor electric machine for compressor, includes rotor, the stator of setting outside the rotor, the rotor includes rotor core and the rotor magnet spare of a plurality of settings in rotor core, the stator includes stator core, is located the last iron core screening glass and lower iron core screening glass of the upper and lower end of stator core, the stator winding of winding on stator core's upper and lower iron core screening glass, stator core has a plurality of stator tooths that separate each other in the direction in its circumference inwards, injects a stator slot between every adjacent stator tooth, stator slot opening towards the stator centre of a circle, the shape of upper and lower iron core screening glass is the same with stator core radial cross section, and lower iron core screening glass lateral surface has the beta -barrel structure of a take the altitude, goes up the cylinder cap with rotary compressor and is connected, forms compressor noise elimination cavity, the utility model discloses a rational design gas -exhausting flow path realizes the abundant separation of cooling motor and exhaust and oil mist, improves the stability of the inside operation of compressor.
Description
Technical field
This utility model relates to external rotor electric machine, is specifically related to a kind of compressor external rotor electric machine.
Background technology
In prior art, for there being the rotary compressor of external rotor electric machine, due to the perturbation action of stator Open architecture and outer rotor so that in the rotary compressor of high back pressure, aerofluxus cannot stably arrive the top of compressor housing.This cools down motor and aerofluxus for aerofluxus and lubrication oil separating suffers from adverse influence.
Summary of the invention
In order to overcome above-mentioned prior art Problems existing, the purpose of this utility model is in that to provide a kind of compressor external rotor electric machine, by appropriate design grate flow channel, it is achieved being sufficiently separated of cooling motor and aerofluxus and mist of oil, the stability of raising compressor internal operation.
In order to achieve the above object, this utility model adopts the following technical scheme that
A kind of compressor external rotor electric machine, including rotor 20, is arranged on the stator 10 outside rotor 20；Described rotor 20 includes rotor core 21 and multiple rotor magnet part 22 being arranged in rotor core 21；Described stator 10 includes stator core 11, is positioned at the upper core screening glass 12 of stator core 11 upper end, is positioned at the lower core screening glass 13 of stator core 11 lower end, is wrapped in the stator winding 14 on the upper core screening glass 12 of stator core 11 and lower core screening glass 13；Described stator core 11 has multiple stator tooths 15 that the circumference at described stator core is upwards spaced apart from each other inward, stator slot 16 is limited between two often adjacent stator tooths, described stator slot 16 opening, towards stator core 11 center of circle, makes stator core 11 circumferentially closed；Described upper core screening glass 12 is identical with stator core 11 radial section with the shape of lower core screening glass 13, and lower core screening glass 13 lateral surface has the barrel-like structure of certain altitude, is connected with rotary compressor upper cylinder cover 31, forms compressor air-discharging noise elimination chamber 32；Described stator winding 14 is wrapped on upper core screening glass 12 and the lower core screening glass 13 of stator core 11 through multiple stator slots.
Being generally shaped like of described rotor magnet part 22 is circular, rotor magnet part 22 be generally shaped like arc block；On the spaced apart internal face being arranged on rotor core 21 of described rotor magnet part 22.
Being generally shaped like of described rotor magnet part 22 is circular, rotor magnet part 22 be generally shaped like arc block；Described rotor magnet part 22 is close to and is arranged on the internal face of rotor core 21.
Described stator core 11 is fixed on rotary compressor upper cylinder cover 31 by hot jacket method.
Described rotor magnet part 22 is rare-earth permanent magnet part.
Compared to the prior art relatively, this utility model possesses following advantage:
1, owing to lower core screening glass 13 has barrel-like structure, constitute compressor air-discharging noise elimination cavity, therefore, instead of the function of exhaust silencer in compressor, simplify compressor arrangement.
2, owing to stator slot 16 opening is towards stator core 11 center of circle, making stator core 11 circumferentially closed, therefore, stator core can form the exhaust passage of relative closure, directs exhaust gas through motor and rises to compressor top.
3, owing to defining distinctive exhaust passage, therefore, compressor air-discharging can more effective cooling motor, it is achieved aerofluxus efficiently separates with lubricating oil, reduces the eddy current loss of local simultaneously, reduces gas noise.
Accompanying drawing explanation
Fig. 1 is this utility model external rotor electric machine radial section schematic diagram.
Fig. 2 is this utility model external rotor electric machine schematic partial cross-sectional view within the compressor.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
As depicted in figs. 1 and 2, this utility model one compressor external rotor electric machine, including rotor 20, it is arranged on the stator 10 outside rotor 20；Rotor 20 includes rotor core 21 and multiple rotor magnet part 22, and multiple rotor magnet parts 22 are located on the internal face of rotor core 21, and each rotor magnet 22 is rare-earth permanent magnet part.Specifically, as it is shown in figure 1, rotor 20 is set in the periphery of stator 10, being generally shaped like of rotor core 21 is circular, rotor magnet part 22 be generally shaped like arc block.Alternatively, multiple rotor magnet parts 22 can spaced apart be located on the internal face of rotor core 21.Or alternatively, multiple rotor magnet parts 22 can be close to and be arranged on the internal face of rotor core 21.
Stator 10 includes stator core 11, upper core screening glass 12, lower core screening glass 13 and stator winding 14.Specifically, as it is shown in figure 1, stator core 11 has multiple stator tooths 15 that the circumference at stator core is upwards spaced apart from each other inward, limiting stator slot 16 between two often adjacent described stator tooths, stator slot 16 opening is towards the stator core center of circle.
As in figure 2 it is shown, upper core screening glass 12 is positioned at stator core 11 upper end, shape is identical with stator core radial section.Lower core screening glass 13 is positioned at stator core 11 lower end, and end shape is identical with stator core radial section, and lateral surface is the barrel-like structure with certain altitude, for constituting the noise elimination chamber of compressor air-discharging.Stator winding 14 is wrapped on stator core and upper and lower iron core screening glass through multiple stator slots.
Simultaneously; stator core 11 is fixed on rotary compressor upper cylinder cover 31 (base bearing) by methods such as hot jackets; lower core screening glass is connected with rotary compressor upper cylinder cover 31 (base bearing) by screw, forms a compressor air-discharging noise elimination chamber 32 with this.Compressor expellant gas enters exhausting silencer chamber 32, flows up then along stator slot, and period and stator 10 carry out heat exchange, and motor is cooled down.Shown filled arrows is the circulating direction of compressor air-discharging.
Claims (4)
1. a compressor external rotor electric machine, including rotor (20), is arranged on rotor (20) stator (10) outward；It is characterized in that: described rotor (20) includes rotor core (21) and multiple rotor magnet part (22) being arranged in rotor core (21)；Described stator (10) includes stator core (11); it is positioned at the upper core screening glass (12) of stator core (11) upper end; it is positioned at the lower core screening glass (13) of stator core (11) lower end, is wrapped in the stator winding (14) on the upper core screening glass (12) of stator core (11) and lower core screening glass (13)；Described stator core (11) has multiple stator tooths (15) that the circumference at described stator core is upwards spaced apart from each other inward, stator slot (16) is limited between two often adjacent stator tooths, described stator slot (16) opening, towards stator core (11) center of circle, makes stator core (11) circumferentially closed；Described upper core screening glass (12) is identical with stator core (11) radial section with the shape of lower core screening glass (13); lower core screening glass (13) lateral surface is the barrel-like structure with certain altitude; it is connected with rotary compressor upper cylinder cover (31), forms compressor air-discharging noise elimination chamber (32)；Described stator winding (14) is wrapped on upper core screening glass (12) and the lower core screening glass (13) of stator core (11) through multiple stator slots.
2. a kind of compressor external rotor electric machine according to claim 1, it is characterised in that: being generally shaped like of described rotor magnet part (22) is circular, rotor magnet part (22) be generally shaped like arc block；On the described spaced apart internal face being arranged on rotor core (21) of rotor magnet part (22).
3. a kind of compressor external rotor electric machine according to claim 1, it is characterised in that: described stator core (11) is fixed on rotary compressor upper cylinder cover (31) by hot jacket method.
4. a kind of compressor external rotor electric machine according to claim 1, it is characterised in that: described rotor magnet part (22) is rare-earth permanent magnet part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521126598.5U CN205355985U (en) | 2015-12-29 | 2015-12-29 | External rotor electric machine for compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521126598.5U CN205355985U (en) | 2015-12-29 | 2015-12-29 | External rotor electric machine for compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205355985U true CN205355985U (en) | 2016-06-29 |
Family
ID=56170760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521126598.5U Active CN205355985U (en) | 2015-12-29 | 2015-12-29 | External rotor electric machine for compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205355985U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109643928A (en) * | 2016-08-22 | 2019-04-16 | Lg伊诺特有限公司 | Motor for unmanned plane and the unmanned plane including the motor |
| CN114183358A (en) * | 2021-12-08 | 2022-03-15 | 珠海凌达压缩机有限公司 | Compressor and air conditioner |
-
2015
- 2015-12-29 CN CN201521126598.5U patent/CN205355985U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109643928A (en) * | 2016-08-22 | 2019-04-16 | Lg伊诺特有限公司 | Motor for unmanned plane and the unmanned plane including the motor |
| CN109643928B (en) * | 2016-08-22 | 2021-07-06 | Lg伊诺特有限公司 | Motor for unmanned aerial vehicle and unmanned aerial vehicle comprising motor |
| CN114183358A (en) * | 2021-12-08 | 2022-03-15 | 珠海凌达压缩机有限公司 | Compressor and air conditioner |
| CN114183358B (en) * | 2021-12-08 | 2024-01-30 | 珠海凌达压缩机有限公司 | Compressor and air conditioner |
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Legal Events
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |