CN106150969A - Straight-line compressor - Google Patents
Straight-line compressor Download PDFInfo
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- CN106150969A CN106150969A CN201510146287.3A CN201510146287A CN106150969A CN 106150969 A CN106150969 A CN 106150969A CN 201510146287 A CN201510146287 A CN 201510146287A CN 106150969 A CN106150969 A CN 106150969A
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Abstract
The present invention provides a kind of straight-line compressor, mover, stator, coil, cylinder and the piston including shell and being arranged in shell, coil is arranged in the stator, stator forms magnetic field space, mover is provided with magnet, and magnet is slidably arranged in magnetic field space, and cylinder is fixed on stator, piston connects mover and is slidably arranged in cylinder, and stator is formed groove structure.By forming groove structure on stator, groove structure will effectively reduce the cross-sectional area of stator, thus the local section area that the magnetic line of force reducing coil generation flows through, stator is made to be partially formed magnetic saturation at groove structure, reduce hot-wire coil magnetic flux density in stator, such that it is able to effectively reduce motor iron loss, improve electric efficiency；Further, since the magnetic flux density in stator reduces after being partially formed magnetic saturation, it is possible to increase the demagnetization current of mover upper magnet, magnet is played the effect of protection.
Description
Technical field
The present invention relates to compressor, particularly relate to a kind of straight-line compressor.
Background technology
At present, the compressor used in refrigeration plant has rotary and orthoscopic two kinds, as it is shown in figure 1, linear compressor of the prior art generally includes the parts compositions such as shell 1, stator 2, coil 3, mover 4, piston 5 and cylinder 6；Wherein, mover 4 being provided with magnet 41, magnet 41 is inserted in the magnetic field space that external stator 2 is formed, and is equipped with coil 3 in stator 2, and one end of piston 5 is connected on mover 4, and the other end of piston 5 is inserted in the inner chamber being positioned at cylinder 6.In use, coil 3 indirect current will produce alternating magnetic field, and the magnetic line of force of alternating magnetic field produced by coil 8 is entered back in stator 2 through Magnet 41 by stator 2.And stator 2 forms usual composition multi-disc magnetic conduction sheet, the magnetic flux density in stator 2 is relatively big, easily produces the most serious motor iron loss, and the electric efficiency causing compressor is relatively low.
Summary of the invention
The technical problem to be solved is: provides a kind of straight-line compressor, solves the defect that the electric efficiency of prior art cathetus compressor is relatively low, it is achieved improves the electric efficiency of straight-line compressor.
The technical scheme that the present invention provides is, a kind of straight-line compressor, including shell and setting mover, stator, coil, cylinder and piston in the housing, described coil is arranged in described stator, described stator forms magnetic field space, described mover is provided with magnet, described magnet is slidably arranged in described magnetic field space, described cylinder is fixed on described stator, described piston is connected with described mover, described piston is slidably arranged in described cylinder, and described stator is formed with groove structure.
Further, described stator includes inner stator and external stator, forms described magnetic field space between described inner stator and described external stator；Described coil is fixed on described inner stator or described external stator；Described cylinder is fixed on described external stator and/or described inner stator by ring flange.
Further, described inner stator and/or described external stator are formed with described groove structure.
Further, described stator entirety structure ringwise, the inner face of described stator is formed annular groove, is provided with described coil in described annular groove, forming described magnetic field space between described coil and described annular groove, described cylinder is fixed on the outer face of described stator.
Further, being provided with filling member in described groove structure, described filling member is that non-magnet material is made.
Further, described stator is made up of multi-disc magnetic conduction sheet, and magnetic conduction sheet described in multi-disc is linked together by described filling member.
Further, described mover is provided with magnet described at least two rows, and Magnet described in adjacent two rows is the most anti-at the magnetic pole of mover homonymy.
The straight-line compressor that the present invention provides, by forming groove structure on stator, groove structure will effectively reduce the cross-sectional area of stator, thus the local section area that the magnetic line of force reducing coil generation flows through, stator is made to be partially formed magnetic saturation at groove structure, reduce hot-wire coil magnetic flux density in stator, such that it is able to effectively reduce motor iron loss, improve electric efficiency；Further, since the magnetic flux density in stator reduces after being partially formed magnetic saturation, it is possible to increase the demagnetization current of mover upper magnet, magnet is played the effect of protection.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sectional view of prior art cathetus compressor；
Fig. 2 is the sectional view of straight-line compressor embodiment of the present invention；
Fig. 3 is the structural representation of single pole stator in straight-line compressor embodiment of the present invention；
Fig. 4 is another structural representation of single pole stator in this utility model straight-line compressor embodiment.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
As shown in Figure 2, the present embodiment straight-line compressor, including shell 1 and be arranged on the mover 2 in described shell 1, stator 5, coil 6, cylinder 4 and piston 3, described coil 6 is arranged in described stator 5, described stator 5 forms magnetic field space (not shown), described mover 2 is provided with magnet 21, described magnet 21 is slidably arranged in described magnetic field space reciprocating motion, described cylinder 4 is fixed on described stator 5, described piston 3 is connected with described mover 2 and is slidably arranged in described cylinder 4 reciprocating motion, and described stator 5 is formed with groove structure 50.
Specifically, the present embodiment straight-line compressor forms groove structure 50 in stator 5, the cross-sectional area of stator 5 is reduced by groove structure 50, thus the local section area that the magnetic line of force reducing coil 6 generation flows through, reduce the hot-wire coil 6 magnetic flux density in stator 5, define the local magnetic saturation of stator 5, reduce motor iron loss, it is possible to increase electric efficiency.Further, since form local magnetic saturation in stator 5, it is possible to increase the demagnetization current of magnet 21, protect magnet 21.And groove structure 50 can be arranged as required in the position away from magnet 21.Preferably, in order to improve the utilization rate of magnet 21, magnet 21 is by being arranged side by side multiple magnet that links together, as a example by two magnets, magnet 21 includes being arranged side by side the first magnet 211 linked together and the second magnet 212 forms, and the pole orientation of the first magnet 211 and the second magnet 212 is contrary.
Further, being provided with filling member 7 in the groove structure 50 in the present embodiment, described filling member 7 is made for non-magnet material.Concrete, it is filled in groove structure 50 by increasing filling member 7, the structural strength of stator 5 can be improved.And under normal circumstances, stator 5 is made up of multi-disc magnetic conduction sheet (not shown), magnetic conduction sheet described in multi-disc is linked together by described filling member 7.Concrete, breach is formed on magnetic conduction sheet, thus groove structure 50 will be formed after multi-disc magnetic conduction sheet fits together, and multi-disc magnetic conduction sheet is linked together by filling member 7, filling member 7 is in addition to being used for filling groove structure 50, it is also used as connecting multi-disc magnetic conduction sheet composition linkage function part together, it is to avoid use punching press or welding manner fixed stator 5 and the iron loss brought, be more beneficial for improving electric efficiency.Wherein, multi-disc magnetic conduction sheet can be clamped in the way of using ring for fixing and fit together by filling member 7 closely, can also arrange slot on filling member 7, multi-disc magnetic conductor be inserted in slot realization and assembles fixing, the specific constructive form of filling member 7 is not limited by the present embodiment.
Wherein, the stator 5 in the present embodiment can be to use various structures form.
As shown in Figures 2 and 3, stator 5 includes inner stator 51 and external stator 52, forms described magnetic field space between described inner stator 51 and described external stator 52；Described coil 6 is between described inner stator 51 and described external stator 52, and described coil 6 is fixed on described inner stator 51 or described external stator 52；Described cylinder 4 is fixed on described external stator 52 and described inner stator 53 by ring flange (not shown).And it is formed with described groove structure 50 on described inner stator 51 and/or described external stator 52.
Same, as shown in Figure 2 and Figure 4, described stator 5 is that an overall structure is without separating into independent interior external stator, described stator 5 entirety structure ringwise, it is formed with annular groove 500 on the inner face of described stator 5, being provided with described coil 6 in described annular groove 500, form described magnetic field space between described coil 6 and described annular groove 500, described cylinder 4 is directly anchored on the outer face of described stator 5.Concrete, owing to stator 5 one end is to be connected as an overall structure, this one end is defined as the outboard end of single pole stator, it is effectively reduced magnetic field to reveal in the outboard end of described stator 5, simultaneously, cylinder 4 be fixed on the outboard end of stator 5 and away from magnetic field center produced by coil 6, it is possible to further reduce magnetic field and reveal via cylinder 4.Further, since stator 5 is an overall structure, thus save the flange needed for installing the external stator of Split Positioning, and, cylinder 4 can directly be fixedly mounted on stator 5, is more beneficial for simplifying the assembling process of the present embodiment straight-line compressor, reduces and produce and manufacturing cost.Wherein, cylinder 4 can be fixed to use welding, bolt or the mode such as bonding or card dress is fixed on stator 5, and the concrete connected mode of cylinder 4 with stator 5 is not limited by the present embodiment straight-line compressor.And the cross section of annular groove 500 is rectangular configuration；Or the cross section of annular groove 500 is non-regular shape, the opening of annular groove 500 is to open wide completely or half open design, and the concrete cross sectional shape of annular groove 500 is not limited by the present embodiment list magnetic pole linear formula compressor.
The present embodiment straight-line compressor, by forming groove structure on stator, groove structure will effectively reduce the cross-sectional area of stator, thus the local section area that the magnetic line of force reducing coil generation flows through, stator is made to be partially formed magnetic saturation at groove structure, reduce hot-wire coil magnetic flux density in stator, such that it is able to effectively reduce motor iron loss, improve electric efficiency；Further, since the magnetic flux density in stator reduces after being partially formed magnetic saturation, it is possible to increase the demagnetization current of mover upper magnet, magnet is played the effect of protection.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a straight-line compressor, including shell and setting mover, stator, coil, cylinder and piston in the housing, described coil is arranged in described stator, and described stator forms magnetic field space, and described mover is provided with magnet, described magnet is slidably arranged in described magnetic field space, described cylinder is fixed on described stator, and described piston is connected with described mover, and described piston is slidably arranged in described cylinder, it is characterized in that, described stator is formed with groove structure.
Straight-line compressor the most according to claim 1, it is characterised in that described stator includes inner stator and external stator, forms described magnetic field space between described inner stator and described external stator；Described coil is fixed on described inner stator or described external stator；Described cylinder is fixed on described external stator and/or described inner stator by ring flange.
Straight-line compressor the most according to claim 2, it is characterised in that be formed with described groove structure on described inner stator and/or described external stator.
Straight-line compressor the most according to claim 1, it is characterized in that, described stator entirety structure ringwise, it is formed with annular groove on the inner face of described stator, described annular groove is provided with described coil, forming described magnetic field space between described coil and described annular groove, described cylinder is fixed on the outer face of described stator.
Straight-line compressor the most according to claim 1, it is characterised in that be provided with filling member in described groove structure, described filling member is that non-magnet material is made.
Straight-line compressor the most according to claim 5, it is characterised in that described stator is made up of multi-disc magnetic conduction sheet, magnetic conduction sheet described in multi-disc is linked together by described filling member.
Straight-line compressor the most according to claim 1, it is characterised in that described mover is provided with magnet described at least two rows, Magnet described in adjacent two rows is contrary at the magnetic pole of mover homonymy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510146287.3A CN106150969B (en) | 2015-03-31 | 2015-03-31 | Linear compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510146287.3A CN106150969B (en) | 2015-03-31 | 2015-03-31 | Linear compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106150969A true CN106150969A (en) | 2016-11-23 |
| CN106150969B CN106150969B (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510146287.3A Active CN106150969B (en) | 2015-03-31 | 2015-03-31 | Linear compressor |
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| CN (1) | CN106150969B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387362A (en) * | 2017-05-31 | 2017-11-24 | 青岛海尔智能技术研发有限公司 | Volume adjustable linear compressor and its control method |
| CN109510354A (en) * | 2018-12-28 | 2019-03-22 | 浙江荣捷特科技有限公司 | A kind of nonmetallic support construction of built-in magnet steel and sterlin refrigerator and generator |
| KR102238360B1 (en) * | 2020-01-17 | 2021-04-12 | 엘지전자 주식회사 | Linear compressor |
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| KR20070075905A (en) * | 2006-01-16 | 2007-07-24 | 엘지전자 주식회사 | Linear motor for linear compressor |
| CN101207318A (en) * | 2006-12-20 | 2008-06-25 | 泰州乐金电子冷机有限公司 | Electric machine fixation structure of linear compressor |
| CN101952590A (en) * | 2007-07-27 | 2011-01-19 | Lg电子株式会社 | Linear compressor |
| CN104234971A (en) * | 2013-06-24 | 2014-12-24 | 海尔集团公司 | Linear compressor and motor fixing structure thereof |
| CN104251194A (en) * | 2013-06-28 | 2014-12-31 | Lg电子株式会社 | Linear compressor |
| CN204692017U (en) * | 2015-03-31 | 2015-10-07 | 青岛海尔智能技术研发有限公司 | Straight-line compressor |
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2015
- 2015-03-31 CN CN201510146287.3A patent/CN106150969B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070075905A (en) * | 2006-01-16 | 2007-07-24 | 엘지전자 주식회사 | Linear motor for linear compressor |
| CN101207318A (en) * | 2006-12-20 | 2008-06-25 | 泰州乐金电子冷机有限公司 | Electric machine fixation structure of linear compressor |
| CN101952590A (en) * | 2007-07-27 | 2011-01-19 | Lg电子株式会社 | Linear compressor |
| CN104234971A (en) * | 2013-06-24 | 2014-12-24 | 海尔集团公司 | Linear compressor and motor fixing structure thereof |
| CN104251194A (en) * | 2013-06-28 | 2014-12-31 | Lg电子株式会社 | Linear compressor |
| CN204692017U (en) * | 2015-03-31 | 2015-10-07 | 青岛海尔智能技术研发有限公司 | Straight-line compressor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387362A (en) * | 2017-05-31 | 2017-11-24 | 青岛海尔智能技术研发有限公司 | Volume adjustable linear compressor and its control method |
| CN109510354A (en) * | 2018-12-28 | 2019-03-22 | 浙江荣捷特科技有限公司 | A kind of nonmetallic support construction of built-in magnet steel and sterlin refrigerator and generator |
| KR102238360B1 (en) * | 2020-01-17 | 2021-04-12 | 엘지전자 주식회사 | Linear compressor |
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| Publication number | Publication date |
|---|---|
| CN106150969B (en) | 2020-08-11 |
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Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. Patentee after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. Patentee before: Qingdao Haier Joint Stock Co.,Ltd. |