CN103872805A - Inner stator piece, inner stator and compressor employing inner stator - Google Patents
Inner stator piece, inner stator and compressor employing inner stator Download PDFInfo
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- CN103872805A CN103872805A CN201210545862.3A CN201210545862A CN103872805A CN 103872805 A CN103872805 A CN 103872805A CN 201210545862 A CN201210545862 A CN 201210545862A CN 103872805 A CN103872805 A CN 103872805A
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- internal stator
- inner stator
- bobbin
- radial arm
- sheet
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Abstract
The invention provides an inner stator piece, an inner stator and a compressor employing the inner stator. At least one part of a salient pole facing the end part of a radial arm of the inner stator piece on the inner side face of the radial arm of the inner stator piece is obliquely arranged. According to the embodiment of the invention, at least one part of the salient pole facing the end part of the radial arm of the inner stator piece on the inner side face of the radial arm of the inner stator piece is obliquely arranged, so that when the inner stator piece is subjected to pressure of a spring, reaction force of a winding framework to the inner side face can offset the pressure of the spring, the inner stator piece can be attached to an air cylinder, and the outside diameter of the inner stator cannot exceed a preset value.
Description
Technical field
The present invention relates to Compressor Technology field, particularly a kind of internal stator sheet, internal stator and use the compressor of this internal stator.
Background technology
Linearkompressor is the actuating force of utilizing linear electric machine to be linear fashion by electric energy conversion, and driven plunger realizes linear reciprocal movement, and then compressed refrigerant or other medium works done realize the device that compressor work is used.Existing Linearkompressor generally includes: shell (outer casing bottom accommodates lubricating oil), by external stator, internal stator 5 and be around in the linear electric machine that the coil 7 on bobbin 8 forms, the mover moving under the driving effect of linear electric machine, after driven by mover, reciprocating motion realizes the piston 2 of work done and the cylinder 1 of cooperation work done, the resonant spring 9 (resonant spring 9 one end are directly or indirectly fixed on an end face of internal stator 5) that is extruded or stretches by mover reciprocating motion, for the parts such as oil pump assembly and air intake and exhaust system (not indicating in figure) of compressor friction position fuel feeding.
As shown in Figure 1, in above-mentioned electric machine structure, coil 7 is wound on bobbin 8, then bobbin 8 is installed on internal stator 5.After installation, because one end (left end in Fig. 1) of internal stator 5 will become the pedestal of fixing resonant spring 9, therefore internal stator 5 can be subject to direct or indirect spring pressure F2.Because internal stator 5 is combined by the internal stator sheet 50 that several are thinner (< 1.0mm conventionally), its resistance to overturning is poor, be single internal stator sheet 50 or internal stator 5 entirety stressed after all easily distortion.In addition, as shown in Figure 2, bobbin 8 is very smooth with the contact site of internal stator sheet 50, therefore when distortion appears in internal stator sheet 50, not only there is no the distortion of cushion space buffering, also can push bobbin 8, make bobbin 8 meetings to 5 one reaction forces of internal stator, thereby make the stressing conditions of internal stator sheet 50 become inside and outside clamping.The design external diameter of internal stator 5 is D1, and after distortion, the external diameter of internal stator 5 is D2, D2 > D1, the friction that therefore can increase internal stator 5 and mover 4 after distortion, gently strengthens friction and wear, reduces electric efficiency, heavy increase noise, reduce electrical machinery life, cause press paralysis.
Therefore, internal stator yielding problem under stressed effect is urgently to be resolved hurrily, to guarantee the reliability of compressor.
In addition, disclosing a kind of stator winding skeleton in Chinese patent Publication CN102280980, is inclined-plane by the outer baffle near stator crown one end and the buckling surface of stator crown, and the inclined-plane of its gradient and stator crown matches.Can guarantee that bobbin can coordinate closely with stator.But said structure can not change the stressing conditions of internal stator sheet in the time being subject to spring pressure, can not solve the problem to be solved in the present invention.
Summary of the invention
In view of this, the invention provides a kind of internal stator sheet, internal stator and use the compressor of this internal stator, to guarantee that internal stator does not produce distortion in the time being subject to spring pressure.
For achieving the above object, the embodiment of the present invention has proposed a kind of internal stator sheet for linear electric machine, and at least a portion of the medial surface of described internal stator sheet radial arm is obliquely installed towards the salient pole of internal stator sheet radial arm end.
Preferably, the part being obliquely installed described in the medial surface of described internal stator sheet radial arm comprises continuous at least two parts, and each several part is obliquely installed with each angle.
Preferably, the part being obliquely installed described in the medial surface of described internal stator sheet radial arm is cambered surface.
The embodiment of the present invention has also proposed a kind of internal stator for linear electric machine, comprises above-mentioned internal stator sheet.
The embodiment of the present invention has also proposed a kind of compressor for linear electric machine, comprises above-mentioned internal stator, and is assemblied in the bobbin in the stator slot of internal stator.
The compressor that the embodiment of the present invention provides, by at least a portion of the medial surface of internal stator radial arm is obliquely installed towards the salient pole of internal stator sheet radial arm end, make internal stator sheet in the time being subject to spring pressure, bobbin can be offset spring pressure to the reaction force of this medial surface, and can make internal stator sheet be close to cylinder direction, thereby guarantee that the external diameter of internal stator can not exceed preset value.
Preferably, the shape of the medial surface of the end face of described bobbin and the described internal stator sheet radial arm setting that matches.
The shape of two end faces of bobbin and the medial surface of internal stator sheet matches, tilt can provide larger space for coiling to two ends, thereby for the motor of same size, this structure can the more coil of coiling, improves the energy of motor under same volume; Bring into play the motor of same energy for needs, this structure only needs the bobbin of reduced size, thereby is conducive to the miniaturization of motor.
Preferably, the end face of described bobbin is obliquely installed to the salient pole of internal stator.
Preferably, between the medial surface of described internal stator sheet radial arm and bobbin end face, there is gap.
The medial surface of internal stator sheet radial arm and the end face of bobbin not exclusively laminating, leave certain space and can reserve cushion space for the distortion of internal stator sheet, thus the distortion that buffering internal stator sheet produces in the time being subject to spring pressure.
Accompanying drawing explanation
Fig. 1 is the stressed front structural representation of existing internal stator;
Fig. 2 is the structural representation of existing internal stator after stressed;
Fig. 3 is the structural representation of the compressor of first embodiment of the invention;
Fig. 4 is the structural representation of the internal stator of first embodiment of the invention;
Fig. 5 is the stress schematic diagram of the internal stator sheet of first embodiment of the invention;
Fig. 6 is the structural representation of the internal stator of second embodiment of the invention;
Fig. 7 is the structural representation of the internal stator of third embodiment of the invention;
Fig. 8 is the structural representation of the internal stator of fourth embodiment of the invention;
Fig. 9 is the structural representation of the internal stator of fifth embodiment of the invention;
Figure 10 is the structural representation of the internal stator of sixth embodiment of the invention.
Description of reference numerals: 100: compressor; 10: shell; 20: motor body; 1: cylinder; 2: piston; 3: mover support; 4: mover; 5: internal stator; 50: internal stator sheet; 51: the medial surface of internal stator sheet radial arm; 511: the first surface of the medial surface of internal stator sheet radial arm; 512: second of the medial surface of internal stator sheet radial arm; 513: the 3rd of the medial surface of internal stator sheet radial arm; 514: the fourth face of the medial surface of internal stator sheet radial arm; 515: the 5th of the medial surface of internal stator sheet radial arm; 516: the 6th of the medial surface of internal stator sheet radial arm; 6: external stator; 7: coil; 8: bobbin; 81: end face; 811: the first surface of bobbin end face; 812: second of bobbin end face; 813: the 3rd of bobbin end face; 814: the fourth face of bobbin end face; 815: the 5th of bobbin end face; 816: the 6th of bobbin end face; 9: resonant spring.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in detail.
As shown in Figure 3, the compressor 100 of first embodiment of the invention has shell 10, in shell 10, be provided with motor body 20, this motor body 20 comprises the cylinder 1 that is horizontally disposed with (its axis is arranged in horizontal direction) that supports by flange 30, is arranged at the piston 2 of cylinder 1, the mover 4 (partial graph 1 that is connected is not shown) being connected with piston 2 by mover support 3, the internal stator 5 of being located at mover 4 inner circumferential sides, is located at the external stator 6 of mover 4 outer circumferential sides and is assemblied in bobbin 8 on internal stator 5, is around in the parts such as the coil 7 on bobbin 8.
When after coil 7 energisings, the motion that mover 4 produces relative stator under the action of alternating magnetic field of internal stator 5 and external stator 6, drive piston 2 in the interior along continuous straight runs reciprocating motion of cylinder 1 by mover support 3, realize suction and discharge, now, between piston 2 and valve block (in figure, 1 is not shown), produce pressure, cause the vibration of whole compressor 100 motor internal bodies 20.
Wherein, internal stator 5 is made up of several internal stator sheets 50.At least a portion of the medial surface 51 of these internal stator sheet 50 radial arms is obliquely installed to the salient pole of radial arm end.
Fig. 4 shows the structure of the internal stator sheet 50 of the first embodiment, and in the present embodiment, the medial surface 51 of the radial arm of internal stator sheet 50 is the inclined-plane tilting towards the salient pole of radial arm end; The end face 81 contacting with internal stator 5 radial arms after internal stator 5 that is installed on of bobbin 8 matches with the shape of the medial surface 51 of radial arm.
Fig. 5 shows the stress of the internal stator sheet 50 of the first embodiment.In the time that internal stator sheet 50 is subject to spring pressure F2, can push bobbin 8, bobbin 8 is given 50 1 reverse support force F1 of internal stator sheet, because the medial surface 51 of internal stator sheet 50 radial arms tilts at the two ends of horizontal direction in the drawings to internal stator 5, the power that therefore end face 81 of bobbin 8 acts on this medial surface 51 can be decomposed into the component F11 component of internal stator sheet 50 radial arms (towards) of horizontal direction and component the F12 straight down component of internal stator sheet 50 axial arm (towards).The component F11 of horizontal direction and spring pressure F2 opposite direction, equal and opposite in direction, therefore, F11 and spring pressure F2 offset; And component F12 straight down makes internal stator 5 entirety be close to cylinder 1 direction, thereby guarantee that the external diameter of internal stator 5 and profile also can not change under the effect that is subject to spring pressure F2, guaranteed the indeformable of internal stator 5.
On the other hand, because the shape of bobbin 8 end faces 81 and medial surface 51 shapes of internal stator sheet 50 radial arms match, two end faces 81 that are bobbin 8 tilt to internal stator 5 outside in the horizontal direction, compared with the structure of bobbin in prior art 8, the space of its coiling 7 increases, thereby can the more coil 7 of coiling.Thereby for the motor of same size, this structure can the more coil 7 of coiling, improves motor power; For the motor of the same energy of performance, this structure only needs the bobbin 8 of reduced size, thereby is conducive to the miniaturization of motor.
In the embodiment shown in following Fig. 6-Figure 10, the part being obliquely installed described in the medial surface 51 of internal stator sheet 50 radial arms comprises continuous at least two parts, and each several part is obliquely installed with each angle.
Fig. 6 shows the second embodiment, and difference embodiment illustrated in fig. 6 and embodiment illustrated in fig. 4 is, medial surface 51 is made up of first surface 511 and second 512.First surface 511 is near cylinder 1, and the two is inclined-plane.Preferably, first surface 511 and second 512, respectively with different angles, tilt take the one end near cylinder 1 as benchmark to internal stator 5 outside in the horizontal direction, tilt to the salient pole direction of internal stator 5 radial arm ends.The end face 81 of bobbin 8 is the inclined-plane tilting to internal stator 5 outside in the horizontal direction, tilts to the salient pole direction of internal stator 5 radial arm ends.After internal stator sheet 50 is assembled on bobbin 8, due to the shape of the contact-making surface of internal stator sheet 50 and bobbin 8 not quite identical, therefore between the two, there is certain space, thereby can cushion the distortion of internal stator sheet 50.
Fig. 7 shows the 3rd embodiment, different being embodiment illustrated in fig. 7 from embodiment illustrated in fig. 6, the end face 81 of bobbin 8 is also made up of two faces, be respectively first surface 811 and second 812, the shape of the shape of first surface 811 and first surface 511 matches, and the shape of second 812 and second 's 512 shape matches.Preferably, between bobbin 8 first surfaces 811 and the first surface 511 of internal stator sheet 50, there is certain interval, between second 812 and second 512, also there is certain interval, thereby reserve enough cushion spaces.First surface 811 can equate also can not wait with the length of first surface 511.
Fig. 8 shows the 4th embodiment, and difference embodiment illustrated in fig. 8 and embodiment illustrated in fig. 4 is, medial surface 51 is made up of the 3rd 513 and fourth face 514.The 3rd 513 near cylinder 1 and perpendicular to the axial direction of cylinder 1, fourth face 514 tilts take the one end near cylinder 1 as benchmark to internal stator 5 outside in the horizontal direction, tilts to the salient pole direction of internal stator 5 radial arm ends.
Fig. 9 shows the 5th embodiment, difference embodiment illustrated in fig. 9 and embodiment illustrated in fig. 8 is, the end face 81 of bobbin 8 is made up of the 3rd 813 and fourth face 814, and the shape of the 3rd 813 and the 3rd 's 513 shape matches, and the shape of the shape of fourth face 814 and fourth face 514 matches.The 3rd 813 of bobbin 8 and fourth face 814 have certain interval respectively and between the 3rd 513 of internal stator sheet 50 and fourth face 514.Can equate also can not wait with the length of the 3rd 513 for the 3rd 813.
Figure 10 shows the 6th embodiment, difference embodiment illustrated in fig. 10 and embodiment illustrated in fig. 4 is, medial surface 51 forms by the 5th 515 and the 6th 516, the 5th 515 near cylinder 1, tilt take the one end near cylinder 1 as benchmark to internal stator 5 inner side in the horizontal direction for the 5th 515, tilt to the salient pole direction of internal stator 5 radial arm ends, the incline direction of the 6th 516 is 515 contrary with the 5th.
The shape of the end face 81 of bobbin 8 can be identical with the structure in above-described embodiment, can be and the 5th 515 and the 6th 516 shapes that match also.
In the various embodiments described above, the part being obliquely installed described in the medial surface 51 of internal stator sheet 50 can be also cambered surface, and its recess or protuberance tilt to the salient pole direction of internal stator 5 radial arm ends.
The foregoing is only preferred embodiment of the present invention; not in order to limit the present invention; for example; in the embodiment shown in Fig. 4,6-10; the geomery of medial surface 51, the geomery of end face 81 all can have various deformation; so and so on any modification based on doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (8)
1. for an internal stator sheet for linear electric machine, it is characterized in that, at least a portion of the medial surface (51) of described internal stator sheet (50) radial arm is obliquely installed towards the salient pole of internal stator sheet (50) radial arm end.
2. internal stator sheet according to claim 1, is characterized in that, the part being obliquely installed described in the medial surface (51) of described internal stator sheet (50) radial arm comprises continuous at least two parts, and each several part is obliquely installed with each angle.
3. internal stator sheet according to claim 1, is characterized in that, the part being obliquely installed described in the medial surface (51) of described internal stator sheet (50) radial arm is cambered surface.
4. for an internal stator for linear electric machine, it is characterized in that, comprise the arbitrary described internal stator sheet of claims 1 to 3.
5. for a compressor for linear electric machine, it is characterized in that, comprise internal stator claimed in claim 4 (5), and
Be assemblied in the bobbin (8) in the stator slot of internal stator (5).
6. compressor according to claim 5, is characterized in that, the setting that matches of the shape of the medial surface (51) of the end face (81) of described bobbin (8) and described internal stator sheet (50) radial arm.
7. compressor according to claim 5, is characterized in that, the end face (81) of described bobbin (8) is obliquely installed to the salient pole of internal stator (5).
8. compressor according to claim 5, is characterized in that, between the medial surface (51) of described internal stator sheet (50) radial arm and the end face (81) of bobbin (8), has gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210545862.3A CN103872805A (en) | 2012-12-14 | 2012-12-14 | Inner stator piece, inner stator and compressor employing inner stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210545862.3A CN103872805A (en) | 2012-12-14 | 2012-12-14 | Inner stator piece, inner stator and compressor employing inner stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103872805A true CN103872805A (en) | 2014-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210545862.3A Pending CN103872805A (en) | 2012-12-14 | 2012-12-14 | Inner stator piece, inner stator and compressor employing inner stator |
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| Country | Link |
|---|---|
| CN (1) | CN103872805A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2842688A (en) * | 1953-10-30 | 1958-07-08 | Bendix Aviat Corp | Linear rate generator |
| JPH04121464A (en) * | 1990-09-10 | 1992-04-22 | Daikin Ind Ltd | Linear motor compressor for stirling refrigerator |
| CN1200592A (en) * | 1997-04-29 | 1998-12-02 | Lg电子株式会社 | Linear motor structure for linear compressor |
| KR100218480B1 (en) * | 1997-08-20 | 1999-09-01 | 구자홍 | Spring fixer of a linear compressor |
| CN1174168C (en) * | 1999-08-19 | 2004-11-03 | Lg电子株式会社 | Linear compressor |
| CN1856922A (en) * | 2003-10-23 | 2006-11-01 | 巴西船用压缩机有限公司 | Annular stack of lamination elements |
| CN100429399C (en) * | 2004-11-02 | 2008-10-29 | Lg电子株式会社 | Linear compressor |
| CN100546154C (en) * | 2004-07-26 | 2009-09-30 | Lg电子株式会社 | Reciprocating compressor |
| CN102400783A (en) * | 2011-06-29 | 2012-04-04 | 李衡国 | Small Sized Light Linear Generator System Having Two-stroke Free Piston Engine |
-
2012
- 2012-12-14 CN CN201210545862.3A patent/CN103872805A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2842688A (en) * | 1953-10-30 | 1958-07-08 | Bendix Aviat Corp | Linear rate generator |
| JPH04121464A (en) * | 1990-09-10 | 1992-04-22 | Daikin Ind Ltd | Linear motor compressor for stirling refrigerator |
| CN1200592A (en) * | 1997-04-29 | 1998-12-02 | Lg电子株式会社 | Linear motor structure for linear compressor |
| KR100218480B1 (en) * | 1997-08-20 | 1999-09-01 | 구자홍 | Spring fixer of a linear compressor |
| CN1174168C (en) * | 1999-08-19 | 2004-11-03 | Lg电子株式会社 | Linear compressor |
| CN1856922A (en) * | 2003-10-23 | 2006-11-01 | 巴西船用压缩机有限公司 | Annular stack of lamination elements |
| CN100546154C (en) * | 2004-07-26 | 2009-09-30 | Lg电子株式会社 | Reciprocating compressor |
| CN100429399C (en) * | 2004-11-02 | 2008-10-29 | Lg电子株式会社 | Linear compressor |
| CN102400783A (en) * | 2011-06-29 | 2012-04-04 | 李衡国 | Small Sized Light Linear Generator System Having Two-stroke Free Piston Engine |
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Free format text: FORMER OWNER: HAIER GROUP TECHNOLOGY RESEARCH AND DEVELOPMENT CENTER QINGDAO HAIR CO., LTD. Effective date: 20150127 Owner name: QINGDAO HAIER INTELLIGENT TECHNOLOGY DEVELOPMENT C Free format text: FORMER OWNER: HAIER GROUP CORPORATION Effective date: 20150127 |
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Effective date of registration: 20150127 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Intellectual technology research and development Co., Ltd of Qingdao Haier Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant before: haier group corporation Applicant before: Haier Group Technology Research and Development Center Applicant before: Qingdao Hair Co., Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140618 Assignee: WanBao Group Compressor Co., Ltd. Assignor: Intellectual technology research and development Co., Ltd of Qingdao Haier Contract record no.: 2015990000261 Denomination of invention: Inner stator piece, inner stator and compressor employing inner stator License type: Common License Record date: 20150429 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140618 Assignee: Jiaxibeila Compressor Co., Ltd. Assignor: Intellectual technology research and development Co., Ltd of Qingdao Haier Contract record no.: 2015990000349 Denomination of invention: Inner stator piece, inner stator and compressor employing inner stator License type: Common License Record date: 20150525 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
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Application publication date: 20140618 |