CN1670371A - Linear compressor - Google Patents

Linear compressor Download PDF

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Publication number
CN1670371A
CN1670371A CNA2004100598740A CN200410059874A CN1670371A CN 1670371 A CN1670371 A CN 1670371A CN A2004100598740 A CNA2004100598740 A CN A2004100598740A CN 200410059874 A CN200410059874 A CN 200410059874A CN 1670371 A CN1670371 A CN 1670371A
Authority
CN
China
Prior art keywords
core
coil case
injection molding
compressor according
moving member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2004100598740A
Other languages
Chinese (zh)
Inventor
李泰炅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Gwangju Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Gwangju Electronics Co Ltd filed Critical Samsung Gwangju Electronics Co Ltd
Publication of CN1670371A publication Critical patent/CN1670371A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/02—Adaptations of individual rollers and supports therefor
    • B65G39/06—Adaptations of individual rollers and supports therefor the roller sleeves being shock-absorbing, e.g. formed by helically-wound wires
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F04B35/045—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric using solenoids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
    • B65G2207/32—Noise prevention features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2812/00—Indexing codes relating to the kind or type of conveyors
    • B65G2812/02—Belt or chain conveyors
    • B65G2812/02128—Belt conveyors
    • B65G2812/02138—Common features for belt conveyors
    • B65G2812/02148—Driving means for the belts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

A linear compressor having a stator comprising a coil body for generating a magnetic field when electric current is supplied to the stator, and outer cores disposed on the coil body while surrounding the coil body such that a magnetic flux passes therethrough. The coil body is formed in the shape of a hollow cylinder. The coil body is made of wound electric wires. The coil body is provided with a form-maintaining member for maintaining the shape of the coil body, by which the outer cores are supported. An impregnant, such as varnish, is used as the form-maintaining member. The impregnant is penetrated into gaps between electric wires, and is then solidified so that the shape of the coil body is firmly maintained.

Description

Linearkompressor
Technical field
The present invention relates to Linearkompressor, relate in particular to a kind of Linearkompressor with stator, described stator is used to move back and forth the moving member that links to each other with piston.
Background technique
Usually, compressor is used for being discharged to the outside at the cool cycles compressed refrigerant with refrigeration agent, and in cool cycles, the refrigeration agent that is used as medium is carried out compression, condensation, expansion and evaporation process in proper order.Linearkompressor is used for by the linear electric machine compressed refrigerant, and described linear electric machine can carry out straight line motion, moves back and forth by this linear electric machine piston.
The conventional linear motor that is fit to the execution above-mentioned functions comprises: the compression unit that is used for the refrigeration agent of compression seal container; And the driver element that is used to transfer energy to compression unit.
Compression unit comprises: the cylinder block that wherein is limited with pressing chamber; And piston, it is arranged in the pressing chamber of cylinder block, so that piston moves back and forth with compressed refrigerant.The cylinder head that wherein has inlet and room of outlet is installed to a side of cylinder block.
Driver element comprises: stator produces magnetic field when providing electric current for stator; Inner core, it is set to be separated with predetermined distance with stator, is used for producing magnetic flux with stator; And moving member, it is arranged between stator and the inner core, is used for driven plunger.
Below the stator of traditional compressor will be described in more detail.Stator comprises: cylindrical spool; And the coil on the bobbin periphery.Circumferentially being installed on the bobbin of outer core axle along the line.
The top of bobbin and bottom are provided with the core mounting groove, and outer core joins in the core mounting groove, so that outer core is fixedly secured on the bobbin.
In the conventional linear compressor of said structure, when providing Ac, can produce magnetic field on the core outside for coil.Moving member is done linear moving under the magnetic interaction between magnetic field and the moving member.In this simultaneously, be connected to piston to-and-fro motion in pressing chamber of moving member, so that compressed refrigerant.
In the stator of traditional compressor, yet outer core is installed on the bobbin.As a result, when bobbin deformed because of the heat that operation period produced at compressor, outer core can depart from its original mounting point.
Therefore, moving member and outside gap between the core can not keep constant, thereby reduced the whole efficiency of linear electric machine.
And, when outside the moving member direct collision during core, may damage compressor.
Summary of the invention
Therefore, an aspect of of the present present invention provides a kind of Linearkompressor, the distortion that the heat that described Linearkompressor is produced in the time of can preventing stator owing to compressor operation causes.
According to an aspect of the present invention, provide a kind of Linearkompressor, described Linearkompressor comprises: piston, and it is to-and-fro motion in cylinder, is used for compressed refrigerant; Moving member, it is with the piston to-and-fro motion; And stator, itself and moving member generation electromagnetic interaction are used to drive moving member, and wherein stator comprises: coil case, it is formed by wound electric wires; Core, it is arranged on the coil case; And shape holding part, be used for the shape of retention wire circle body, so that support core by coil case.
Preferably, shape holding part is the impregnating agent of infiltration between the electric wire that forms coil case.
Preferably, coil case and core link together by injection molded fastened to each otherly, and described injection molded is filled between coil case and the core by injection molding.
Preferably, coil case forms hollow cylindrical, and core comprises: a plurality of cores, and the periphery of its circle body along the line separates each other; And injection molding component, it is filled between the core.
Preferably, the side relative with moving member of each core is provided with a pair of tooth portion, and injection molding component is filled in the clearance space that forms between the tooth portion.
Preferably, injection molding component is formed by resin material.
Preferably, compressor also comprises guard block, and it is arranged between core and the coil case, is used for the guard wire circle body.
Preferably, guard block is made of paper.
The accompanying drawing summary
With reference to accompanying drawing, by reading following detailed, above-mentioned aspect of the present invention and other characteristics
To become clearer with advantage, wherein:
Fig. 1 is the sectional view according to Linearkompressor of the present invention;
Fig. 2 shows the perspective view according to the coil case of Linearkompressor of the present invention;
Fig. 3 shows the sectional view according to the coil case of Linearkompressor of the present invention;
Fig. 4 shows the perspective exploded view that how will combine according to the core and the coil case of Linearkompressor of the present invention;
Fig. 5 shows by injection molding component and makes according to the core of Linearkompressor of the present invention and the perspective view of coil case combination; With
Fig. 6 shows and is arranged on according to each core of Linearkompressor of the present invention and the sectional view of the guard block between the coil case.
Embodiment
Now with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.
Fig. 1 is the sectional view according to Linearkompressor of the present invention.
As shown in Figure 1, Linearkompressor according to the present invention comprises: compression unit 20 is used for the refrigeration agent of compression seal container 10; And driver element 30, be used for drive compression unit 20.
Compression unit 20 comprises: the cylinder block 21 with pressing chamber 21a; And piston 22, it is arranged among the pressing chamber 21a of cylinder block 21, so that piston 22 to-and-fro motion.The cylinder head 23 that wherein has inlet's (not shown) and room of outlet's (not shown) is installed to the bottom of cylinder block 21.
Driver element 30 comprises: inner core 31, and it is arranged on the outside of cylinder block 21; Stator 40, it separates predetermined distance around inner core 31 and with the periphery of inner core 31, is used to produce magnetic field; And moving member 50, it has magnet 51, and described magnet 51 is provided so that moving member to-and-fro motion vertically under the effect of the magnetic flux between inner core 31 and the stator 40.Preferably, driver element 30 is a linear electric machine.
Stator 40 according to the present invention comprises: coil case 41 is used to produce magnetic field when providing electric current for stator 40; And outer core 42, it is arranged on the coil case, surrounds coil case 41 simultaneously, so that magnetic flux passes wherein.
With reference to Fig. 2, coil case 41 forms hollow cylindrical shape.Coil case 41 is made by wound electric wires 41a.Coil case 41 is provided with shape holding part 41b, is used for the shape of retention wire circle body 41, and as shown in Figure 3, outer core 42 is supported by described coil case 41.
Impregnating agent such as varnish can be used for shape holding part 41b.Impregnating agent is penetrated in the gap between the electric wire 41a, and then solidifies, so that the shape of coil case 41 is firmly kept.Varnish is a kind of paint, and it can be dissolved in the solvent by natural or synthetic resin and make.Varnish forms transparent glossy film.
Core 42 outside as shown in Figure 4 spaced-apart a plurality of of the periphery setting of impregnated coil case 41.Each outer core 42 comprises outside the top core 42b outside the core 42a and bottom. Outer core segment 42a and 42b are installed on the coil case in correspondence with each other.The sidepiece relative with moving member 50 of outer core segment 42a and 42b is respectively arranged with 42c of tooth portion and 42d, increased area with the outer core 42 of moving member 50 electromagnetic actions by 42c of tooth portion and 42d, thereby increased the stroke of piston 22 effectively.
As shown in Figure 5, coil case 41 and outer core 42 usefulness injection molding components 43 are linked together fastened to each otherly, and injection molding component 43 is filled between coil case 41 and the outer core 42 by injection molding.Injection molding component 43 is made by resin material.Injection molding component 43 is filled between the outer core 42 and in the clearance space that is limited between the 42c of tooth portion of outer core 42 and the 42d, so that outer core is fixedly joined on the coil case 41.
With reference to Fig. 6, stator 40 according to the present invention also comprises guard block 44, and it is arranged between coil case 41 and each the outer core 42, is used to surround coil case 41, so that prevent the damage to coil case.Preferably, guard block 44 can be thin paper, and magnetic flux can be successfully mobile between coil case 41 and outer core 42 by guard block 44.
Now, will describe according to operation and the effect with Linearkompressor of said structure of the present invention.
When providing electric current, will produce magnetic field for the coil case of making by wound electric wires 41a.Magnetic field and the magnetic field interaction that is produced by the magnet 51 that is installed on the moving member 50 are so that piston 22 to-and-fro motion vertically.When piston 22 to-and-fro motion, refrigeration agent is introduced into, compresses and discharges.
At this moment, coil case 41 is connected to each other mutually securely with outer core 42 usefulness injection molding components 43 is in the same place, and described injection molding component 43 is made by resin material and formed by injection molding.As a result, prevented the vibration of the outer core 42 that causes because of the vibration that during compressor operation, is produced or separate from coil case 41.
In stator 40 according to the present invention, outer core 42 is directly connected to coil case, and does not need the bobbin that adds.Therefore, prevented the distortion of the stator 40 that causes because of the heat that during compressor operation, is produced.
Can find out significantly from top description, the invention provides a kind of Linearkompressor, wherein, outer core 40 is directly connected on the coil case, and does not need the bobbin that adds, and outer core is fixed firmly on the coil case by the injection molding component that is formed by injection molding.
Therefore, prevented the distortion of the stator that causes because of the heat that during compressor operation, produces, thus moving member and outside gap between the core be retained as constant.As a result, moving member and outside primary clearance between the core be set to minimum, thereby increased the efficient of linear electric machine.
And, according to Linearkompressor of the present invention needs bobbin not, thereby increased the quantity that forms the winding cables of coil case.Therefore, increase the output of linear electric machine, simplified manufacture process, and reduced manufacture cost.
Although for exemplary purposes preferred embodiments more of the present invention are disclosed, yet, it will be understood by those skilled in the art that under the situation that does not depart from disclosed scope of the present invention of claims and essence various variations, increase and alternative can also be arranged.

Claims (8)

1. Linearkompressor comprises: piston, and it is to-and-fro motion in cylinder, is used for compressed refrigerant; Moving member, it is with the piston to-and-fro motion; And stator, itself and moving member carry out electromagnetic interaction, are used to drive moving member, and wherein stator comprises:
Coil case, it is formed by wound electric wires;
Core, it is arranged on the coil case; With
Shape holding part is used for the shape of retention wire circle body, so that support core by coil case.
2. compressor according to claim 1 is characterized in that, described shape holding part is the impregnating agent of infiltration between the electric wire that forms coil case.
3. compressor according to claim 1 is characterized in that coil case and core are linked together by injection molding component fastened to each otherly, and described injection molding component is filled between coil case and the core by injection molding.
4. compressor according to claim 3 is characterized in that coil case forms hollow cylinder shape, and core comprises: the periphery of circle body along the line is apart from one another by a plurality of cores of opening; And be filled in injection molding component between the core.
5. compressor according to claim 4 is characterized in that, the sidepiece relative with moving member of each core is provided with a pair of tooth portion, and injection molding component is filled in the clearance space that forms between the tooth portion.
6. compressor according to claim 3 is characterized in that injection molding component is formed by resin material.
7. compressor according to claim 1 also comprises guard block, and it is arranged between core and the coil case, is used for the guard wire circle body.
8. compressor according to claim 7 is characterized in that described guard block is made of paper.
CNA2004100598740A 2004-03-17 2004-06-24 Linear compressor Pending CN1670371A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040018069A KR20050094005A (en) 2004-03-17 2004-03-17 Linear compressor
KR20040018069 2004-03-17

Publications (1)

Publication Number Publication Date
CN1670371A true CN1670371A (en) 2005-09-21

Family

ID=34986483

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2004100598740A Pending CN1670371A (en) 2004-03-17 2004-06-24 Linear compressor

Country Status (6)

Country Link
US (1) US20050207918A1 (en)
JP (1) JP2005264923A (en)
KR (1) KR20050094005A (en)
CN (1) CN1670371A (en)
BR (1) BRPI0402748A (en)
IT (1) ITTO20040468A1 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN106286233A (en) * 2015-06-08 2017-01-04 珠海格力节能环保制冷技术研究中心有限公司 Cylinder assembly, compressor and air-conditioner

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KR100680227B1 (en) 2005-10-06 2007-02-08 엘지전자 주식회사 Stator of linear motor
KR101513611B1 (en) * 2007-11-01 2015-04-20 엘지전자 주식회사 Reciprocating Compressor
KR102002119B1 (en) * 2013-02-28 2019-07-19 엘지전자 주식회사 Motor for compressor and reciprocating compressor having the same

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Publication number Priority date Publication date Assignee Title
CN106286233A (en) * 2015-06-08 2017-01-04 珠海格力节能环保制冷技术研究中心有限公司 Cylinder assembly, compressor and air-conditioner

Also Published As

Publication number Publication date
US20050207918A1 (en) 2005-09-22
KR20050094005A (en) 2005-09-26
BRPI0402748A (en) 2005-11-01
ITTO20040468A1 (en) 2004-10-08
JP2005264923A (en) 2005-09-29

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