CN105406617B - Motor core structure and air conditioner compressor with same - Google Patents
Motor core structure and air conditioner compressor with same Download PDFInfo
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- CN105406617B CN105406617B CN201510801275.XA CN201510801275A CN105406617B CN 105406617 B CN105406617 B CN 105406617B CN 201510801275 A CN201510801275 A CN 201510801275A CN 105406617 B CN105406617 B CN 105406617B
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- iron core
- boss
- main body
- recessed portion
- core structure
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 78
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims description 29
- 230000005381 magnetic domain Effects 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention provides a motor iron core structure and an air conditioner compressor with the same, wherein the motor iron core structure comprises: an iron core main body; the concave parts are arranged on the peripheral surface of the iron core main body, wherein a plurality of concave parts are arranged, and the plurality of concave parts are respectively recessed towards the center of the iron core main body along the radial direction; the boss is positioned in the concave part, and a gap is formed between the top surface of the boss and the shell of the motor. By applying the motor iron core structure provided by the invention, the stress on the contact surface of the iron core main body and the main shell can be absorbed and guided, the stress is transferred to the boss for accumulation, and the stress is resolved at the peripheral edge of the motor iron core, so that the influence of the stress on the distortion of the magnetic domain in the steel sheet of the motor iron core is reduced to the maximum extent, the eddy current loss caused by the magnetic field turbulence is improved, the magnetic conductivity of the motor is improved, the heating of the motor is comprehensively reduced, and the power consumption is reduced.
Description
Technical field
The present invention relates to air-conditioning equipment fields, in particular to a kind of iron core structure of electric motor and with its air-conditioning pressure
Contracting machine.
Background technology
Currently, during compressor of air conditioner is manufactured, the engagement generally use hot jacket of compressor electric motor and main casing
Interference mode coordinates, and will produce stress concentration on the contact surface using the shell wall of the electric machine iron core and main casing of which engagement,
It is distorted so as to cause the magnetic domain arrangement inside electric machine iron core, in turn results in motor performance deterioration, while iron core being caused to generate heat
Seriously, the operational efficiency of motor and compressor is reduced.Referring to Fig. 1 and Fig. 2, in the prior art to improve motor stress, except design
Outside suitable interference volume, by corresponding with design at the joint surface of main casing 2 for absorbing and shifting in 1 periphery of electric machine iron core
The special construction of stress, which is realized, eliminates motor stress.For example, as shown in Figure 1, being arranged at 1 neighboring of electric machine iron core multiple equal
The recessed fillet 3 of even distribution.Alternatively, as shown in Fig. 2, multiple circular holes 4 in an axial direction are arranged at 1 neighboring of electric machine iron core.It is logical
These means and method are crossed, can realize the effect for absorbing stress or realizing stress transfer to a certain extent.However in reality
In application process, above-mentioned special construction, which still has, eliminates the bad problem of stress effect.
Stress is eliminated for the special construction designed at electric machine iron core periphery and the joint surface of main casing in the prior art
Ineffective technical problem, currently no effective solution has been proposed.
Invention content
The main purpose of the present invention is to provide a kind of iron core structure of electric motor and with its compressor of air conditioner, at least to solve
It is bad that the special construction certainly designed at electric machine iron core periphery and the joint surface of main casing in the prior art eliminates stress effect
Technical problem.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of iron core structure of electric motor, including：Iron
Core main body；Recessed portion is arranged on the peripheral surface of iron core main body, wherein recessed portion is provided with multiple, and multiple recessed portions are radially
Being centrally recessed into iron core main body respectively；Boss is located in recessed portion, between having between the top surface of boss and the shell of motor
Gap.
Further, recessed portion is symmetrical along the circumferential direction of iron core main body.
Further, boss is located at the center of recessed portion.
Further, the both ends of recessed portion are respectively provided with transition face, have respectively between the root and transition face of boss both sides
There are curved transition sections.
Further, the root of boss and the junction of curved transition sections are located between two endpoints at recessed portion edge
On line.
Further, transition face is plane, and the line between transition face and two endpoints at recessed portion edge has angle
The value range of β, angle β is：5°≤β≤15°.
Further, curved transition sections are arc surface, and the value range of the radius R of arc surface is：0.5mm≤R≤2mm.
Further, the top surface of boss is plane, the root of boss and the junction of curved transition sections to boss top
The height in face is c, and the value range of c is：0≤c≤3mm.
Further, recessed portion is a along the circumferential width of iron core main body, and boss is along the circumferential width of iron core main body
The value range of b, b/a is：0.3≤b/a≤0.618.
According to another aspect of the present invention, a kind of compressor of air conditioner, including iron core structure of electric motor are provided, the electric machine iron core
Structure is the iron core structure of electric motor of any one of the above.
The iron core structure of electric motor to apply the technical scheme of the present invention, it is multiple recessed by being arranged on the peripheral surface of iron core main body
Concave portion, multiple recessed portions radially being centrally recessed into iron core main body respectively, has boss in recessed portion, so as to by iron
Core main body is absorbed and is oriented to the stress on main casing contact level, makes to be put aside at stress transfer to boss, by stress
Resolution is in the neighboring of electric machine iron core, to reduce the shadow that stress distorts magnetic domain in electric machine iron core steel disc to greatest extent
It rings, eddy-current loss caused by improving magnetic field turbulent flow, promotes the magnetic property of motor, the motor feels hot for comprehensive reduction, reduces power consumption.Solution
It is bad that the special construction designed at electric machine iron core periphery and the joint surface of main casing in the prior art of having determined eliminates stress effect
The technical issues of.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is described in further detail.
Description of the drawings
The Figure of description for constituting the part of the present invention is used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is a kind of schematic diagram of existing iron core structure of electric motor；
Fig. 2 is the schematic diagram of existing another iron core structure of electric motor；
Fig. 3 is optional a kind of schematic diagram of iron core structure of electric motor according to embodiments of the present invention；
Fig. 4 is optional a kind of partial schematic diagram of iron core structure of electric motor according to embodiments of the present invention.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, iron core main body；20, boss；30, shell；40, transition face；50, curved transition sections.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
Iron core structure of electric motor according to the ... of the embodiment of the present invention, as shown in figure 3, including：Iron core main body 10, recessed portion and convex
Platform 20；Recessed portion is arranged on the peripheral surface of iron core main body 10, wherein recessed portion is provided with multiple, and multiple recessed portions are radially
Being centrally recessed into iron core main body 10 respectively；Boss 20 is located in recessed portion, and the shell 30 of the top surface of boss 20 and motor it
Between have gap.
A kind of iron core structure of electric motor to apply the technical scheme of the present invention, by being arranged on the peripheral surface of iron core main body 10
Multiple recessed portions, multiple recessed portions radially being centrally recessed into iron core main body 10 respectively, have boss 20 in recessed portion, from
And can iron core main body 10 be absorbed and be oriented to the stress on 30 contact surface of main casing, make at stress transfer to boss 20
It is put aside, by stress resolution in the neighboring of electric machine iron core, to reduce stress to greatest extent to electric machine iron core steel disc
The influence of interior magnetic domain distortion, eddy-current loss caused by improving magnetic field turbulent flow promote the magnetic property of motor, comprehensive to reduce motor hair
Heat reduces power consumption.It solves the special construction designed at electric machine iron core periphery and the joint surface of main casing in the prior art to disappear
The ineffective technical problem of de-stress.
When it is implemented, recessed portion is symmetrical along the circumferential direction of iron core main body 10, boss 20 is located at the center of recessed portion.
As shown in figure 4, the both ends of recessed portion are respectively provided with transition face 40, transition face 40 is plane, transition face 40 and recessed portion edge
Line between two endpoints has angle β, to make transition face 40 slightly be tilted to both sides from the root of 20 both sides of boss.It crosses
It crosses in the stress transfer to boss 20 that shell 30 can be loaded into iron core main body 10 by face 40.The value range of angle β is：5°
The value of≤β≤15 °, angle β is bigger, and transition face 40 is better to the transfer effect of stress.In actual production, when hot jacket interference
For amount in≤10s, the value range of angle β is chosen as 5 °≤β≤10 °；When hot jacket interference volume is in ＞ 10s, the value of angle β
Range is chosen as 10 °≤β≤15 °.It is 0.1mm that 10s, which reflects iron core main body 10 and crosses extruding size with shell 30, is electric machine iron core
Silicon steel magnetic domain crystal boundary deforms the threshold values influenced with performance.
Curved transition sections 50 are respectively provided between the root and transition face 40 of 20 both sides of boss, curved transition sections 50 can be inhaled
Stress is received and is oriented to, the root of boss 20 and the junction of curved transition sections 50 are located between two endpoints at recessed portion edge
On line.Optionally, curved transition sections 50 are arc surface, and the value range of the radius R of arc surface is：0.5mm≤R≤2mm.Circle
The value of the radius R of cambered surface is bigger, and the absorption and guiding role to stress are better.In actual production, according to hot jacket interference
The value of the different R of amount is also different.When hot jacket interference volume is in≤10s, 0.5mm≤R≤1mm；When hot jacket interference volume exists
When ＞ 10s, 1mm≤R≤2mm.
Optionally, the top surface of boss 20 is plane, and boss 20 can put aside stress, and stress is cleared up in iron core main body
10 edge.The root of boss 20 and the height of the junction of curved transition sections 50 to 20 top surface of boss are c, and the value of c is bigger,
That is the height of boss 20 is higher, better to the depot action of stress.The value range of c is：0≤c≤3mm.In actual production,
Value according to the different c of hot jacket interference volume is also different.When hot jacket interference volume is in≤10s, c=0mm；When hot jacket interference
Amount is in ＞ 10s, 0mm ＜ c≤3mm.
Further, recessed portion is a along the circumferential width of iron core main body 10, and boss 20 is circumferential along iron core main body 10
Width is b, and the value range of b/a is：0.3≤b/a≤0.618.The value of b/a is bigger, better to the resolution effect of stress.
When actual production, the value according to the different b/a of hot jacket interference volume is also different.When hot jacket interference volume is in≤10s, 0.3
≤b/a≤0.5；When hot jacket interference volume is in ＞ 10s, 0.5≤b/a≤0.618.
According to another aspect of the present invention, a kind of compressor of air conditioner, including iron core structure of electric motor, electric machine iron core knot are provided
Structure is the iron core structure of electric motor of any one of the above, and reduction motor can be integrated using the compressor of the iron core structure of electric motor
Fever reduces power consumption.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of iron core structure of electric motor, which is characterized in that including：
Iron core main body (10)；
Recessed portion is arranged on the peripheral surface of the iron core main body (10), wherein the recessed portion is provided with multiple, Duo Gesuo
State recessed portion radially being centrally recessed into iron core main body (10) respectively；
Boss (20) is located in the recessed portion, has gap between the top surface of the boss (20) and the shell (30) of motor；
Wherein, the recessed portion is symmetrical along the circumferential direction of the iron core main body (10)；The both ends of the recessed portion are respectively provided with
Transition face (40) is respectively provided with curved transition sections (50) between the root and the transition face (40) of boss (20) both sides；
The root of the boss (20) and the junction of the curved transition sections (50) be located at the recessed portion edge two endpoints it
Between line on；
The transition face (40) is plane, the line tool between the transition face (40) and two endpoints at the recessed portion edge
There are the angle β, the value range of the angle β to be：5°≤β≤15°.
2. iron core structure of electric motor according to claim 1, which is characterized in that the boss (20) is located at the recessed portion
At center.
3. iron core structure of electric motor according to claim 1, which is characterized in that the curved transition sections (50) are arc surface,
The value range of the radius R of the arc surface is：0.5mm≤R≤2mm.
4. iron core structure of electric motor according to claim 1, which is characterized in that the top surface of the boss (20) is flat
The height of face, the root of the boss (20) and the junction of the curved transition sections (50) to the boss (20) top surface is c,
The value range of the c is：0≤c≤3mm.
5. iron core structure of electric motor according to claim 1, which is characterized in that the recessed portion is along the iron core main body (10)
Circumferential width be a, the boss (20) is b, the value model of the b/a along the circumferential width of the iron core main body (10)
Enclose for：0.3≤b/a≤0.618.
6. a kind of compressor of air conditioner, including iron core structure of electric motor, which is characterized in that the iron core structure of electric motor is claim 1
To the iron core structure of electric motor described in any one of 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801275.XA CN105406617B (en) | 2015-11-18 | 2015-11-18 | Motor core structure and air conditioner compressor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801275.XA CN105406617B (en) | 2015-11-18 | 2015-11-18 | Motor core structure and air conditioner compressor with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105406617A CN105406617A (en) | 2016-03-16 |
| CN105406617B true CN105406617B (en) | 2018-09-18 |
Family
ID=55471936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510801275.XA Active CN105406617B (en) | 2015-11-18 | 2015-11-18 | Motor core structure and air conditioner compressor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105406617B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002112475A (en) * | 2000-09-26 | 2002-04-12 | Hitachi Ltd | Permanent magnet type rotating electric machine, air compressor and generator using the same |
| CN201307784Y (en) * | 2008-05-26 | 2009-09-09 | 王玉莲 | Submersible electric pump motor iron core silicon-steel sheet |
| CN101666279A (en) * | 2008-09-03 | 2010-03-10 | 德昌电机(深圳)有限公司 | Fuel pump |
| JP2012023879A (en) * | 2010-07-15 | 2012-02-02 | Daikin Ind Ltd | Magnetic core of armature and rotary electric machine |
| CN202997899U (en) * | 2012-12-18 | 2013-06-12 | 上海熠威电驱动科技有限公司 | Stator & rotor that can be positioned and is used for direct current brushless motor |
| CN103187808A (en) * | 2011-12-28 | 2013-07-03 | 富士通将军股份有限公司 | Electric motor |
| CN103618391A (en) * | 2013-12-18 | 2014-03-05 | 苍南县华仲机电有限公司 | Ten-pole twelve-groove permanent magnet brushless motor |
| CN104868618A (en) * | 2015-06-09 | 2015-08-26 | 广东美芝制冷设备有限公司 | Motor and compressor with same |
| CN204732977U (en) * | 2015-06-09 | 2015-10-28 | 广东美芝制冷设备有限公司 | Motor and the compressor with it |
| CN205622349U (en) * | 2015-11-18 | 2016-10-05 | 珠海凌达压缩机有限公司 | Motor core structure and air conditioner compressor with same |
-
2015
- 2015-11-18 CN CN201510801275.XA patent/CN105406617B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002112475A (en) * | 2000-09-26 | 2002-04-12 | Hitachi Ltd | Permanent magnet type rotating electric machine, air compressor and generator using the same |
| CN201307784Y (en) * | 2008-05-26 | 2009-09-09 | 王玉莲 | Submersible electric pump motor iron core silicon-steel sheet |
| CN101666279A (en) * | 2008-09-03 | 2010-03-10 | 德昌电机(深圳)有限公司 | Fuel pump |
| JP2012023879A (en) * | 2010-07-15 | 2012-02-02 | Daikin Ind Ltd | Magnetic core of armature and rotary electric machine |
| CN103187808A (en) * | 2011-12-28 | 2013-07-03 | 富士通将军股份有限公司 | Electric motor |
| CN202997899U (en) * | 2012-12-18 | 2013-06-12 | 上海熠威电驱动科技有限公司 | Stator & rotor that can be positioned and is used for direct current brushless motor |
| CN103618391A (en) * | 2013-12-18 | 2014-03-05 | 苍南县华仲机电有限公司 | Ten-pole twelve-groove permanent magnet brushless motor |
| CN104868618A (en) * | 2015-06-09 | 2015-08-26 | 广东美芝制冷设备有限公司 | Motor and compressor with same |
| CN204732977U (en) * | 2015-06-09 | 2015-10-28 | 广东美芝制冷设备有限公司 | Motor and the compressor with it |
| CN205622349U (en) * | 2015-11-18 | 2016-10-05 | 珠海凌达压缩机有限公司 | Motor core structure and air conditioner compressor with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105406617A (en) | 2016-03-16 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180929 Address after: No. six, Qianshan Jinji West Road, Zhuhai, Guangdong Province Co-patentee after: ZHUHAI LANDA COMPRESSOR Co.,Ltd. Patentee after: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI Address before: 519110 Longshan Avenue, Longshan Industrial Zone, Doumen District, Zhuhai, Guangdong, 1 Co-patentee before: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI Patentee before: ZHUHAI LANDA COMPRESSOR Co.,Ltd. |
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| TR01 | Transfer of patent right |