CN102889192A - Linear compressor driven by using moving magnetic type linear oscillation motor - Google Patents
Linear compressor driven by using moving magnetic type linear oscillation motor Download PDFInfo
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- CN102889192A CN102889192A CN2011102024685A CN201110202468A CN102889192A CN 102889192 A CN102889192 A CN 102889192A CN 2011102024685 A CN2011102024685 A CN 2011102024685A CN 201110202468 A CN201110202468 A CN 201110202468A CN 102889192 A CN102889192 A CN 102889192A
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Abstract
The invention relates to the technical field of a linear compressor and discloses the linear compressor driven by using a moving magnetic type linear oscillation motor. The linear compressor comprises the moving magnetic type linear oscillation motor, a cylinder, a piston, a suction exhaust device and a resonance part, wherein the moving magnetic type linear oscillation motor comprises a stator part, a rotor part, a first fixing connector, a second fixing connector and a third fixing connector; the piston is arranged on the rotor part; the suction exhaust device is arranged on the end part of the cylinder; the resonance part is mounted between the rotor part and the third fixing connector; the stator part comprises a first magnetic conductor and two second magnetic conductors; a magnet exciting coil is wound on a middle pillar of the first magnetic conductor; the first magnetic conductor is located in the middle; the two second magnetic conductors are located on the two sides of the first magnetic conductor; two symmetrical air gaps are formed between the first magnetic conductor and the second magnetic conductors on the two sides; and the rotor part comprises two sets of plate type permanent magnets symmetrically mounted in the two air gaps. The linear compressor driven by using the moving magnetic type linear oscillation motor can increase the use ratio of coil materials and is suitable for the application in a low space.
Description
Technical field
The present invention relates to a kind of Linearkompressor, be specifically related to a kind of Linearkompressor that adopts the moving-magnetic linear vibration motor to drive.
Background technique
Linearkompressor adopts linear vibration motor to drive, and has cancelled rotary actuation and toward the conversion equipment between the compound compression, has greatly improved the efficient of compressor, also have compact structure, lightweight, without oil or lack the advantages such as lubricant oil, varying capacity excellent.Therefore, from air compressor, vacuum pump, to Small Refrigerating Equipments such as refrigerating box, refrigerators, Linearkompressor is just obtaining using more and more widely, is the main development direction that Small Refrigerating Equipment is used high-efficient compressor.
Linear vibration motor comprises moving-magnetic linear vibration motor and moving coil linear vibration motor.Wherein, the moving-magnetic linear vibration motor is by a kind of linear vibration motor of permanent-magnet material as mover, the alternating magnetic field interaction that the stationary magnetic field that permanent-magnet material produces and field coil produce promotes permanent-magnet material and does reciprocal alternating motion, than the moving coil linear vibration motor that adopts field coil as mover, its mover quality is less, thrust is larger, and efficient is higher.Along with the development of novel permanent magnetic material, the advantage of moving-magnetic linear vibration motor is further obvious.
The people such as the Beale of the U.S. in 1992 and Redlich have developed the moving-magnetic linear vibration motor of Redlich type structure, and at the end of the nineties, Sunpower company has developed the refrigeration compressor that adopts cylindrical shape Redlich linear vibration motor.2003, LGE company improved on the basis of this structure, had realized first the commercialization of Linearkompressor.This columnar structured moving magnetic linear vibration motor is at the circumference of field coil permeability magnetic material to be installed, and forms the magnetic structure with the concentric cylindrical air gap of field coil, and the cylindrical permanent-magnet body of radial magnetizing moves reciprocatingly in air gap.Permeability magnetic material is comprised of columnar inside and outside stator, and the cylinder and piston parts are arranged in the cylinder of inner stator.
The people such as Zelanian Neville in 2000 proposed a kind of adopt gas bearing without oily Linearkompressor, the moving-magnetic linear vibration motor that the Linearkompressor of this structure adopts is to form air gap by the symmetrical stator of placing behind two groups of punching closed assemblies, moves in the air gap of permanent magnetism in the middle of two groups of stators.2010, Brazilian Embraco announced to have finished this application and development of structure Linearkompressor on refrigerator.The people such as Ye Yunyue of Zhejiang University in 2006 have proposed a kind of linear oscillatory motor with two divided stators, and its stator is formed by stacking by the ring punching.Than columnar structured, the electric machine structure form of the direct closed assembly of punching can reduce its processing and assembling difficulty.
Existing employing cylindrical shape Redlich structure moving-magnetic linear vibration motor is that the magnetic structure design is more excellent as the profile characteristics of the Linearkompressor of driver, the magnetic circuit loss is little, but major diameter is smaller, is partial to shortly and high, and the assembling difficulty of inside and outside stator radiation profiles on circumference is also larger.And electric machine structure wherein, its processing and assembling difficulty are less, but its magnetic circuit loss is relatively large.
Summary of the invention
The technical problem that (one) will solve
The technical problem to be solved in the present invention, how the first improves the utilization ratio of coil method; It two is how to make compressor be fit to the application in short space.
(2) technological scheme
For solving the problems of the technologies described above, the invention provides a kind of Linearkompressor that adopts the moving-magnetic linear vibration motor to drive, comprise moving-magnetic linear vibration motor, cylinder, piston, suction-exhaust device and resonance section; Wherein,
Described moving-magnetic linear vibration motor comprises stator component, mover component, the first fixed connecting piece, the second fixed connecting piece, the 3rd fixed connecting piece; Described piston is arranged on the mover component; Described suction-exhaust device is arranged on the end of cylinder; Described resonance section is installed between mover component and the 3rd fixed connecting piece;
Described stator component comprises that center pillar is wound with the first magnetic conductor field coil, that be positioned at the centre, and two the second magnetic conductors that are positioned at the first magnetic conductor both sides; Form two symmetrical air gaps between the second magnetic conductor of described the first magnetic conductor and both sides;
Described mover component comprises two groups of respectively symmetrical chip permanent magnets that are installed in described two air gaps.
Preferably, described mover component also comprises connected element, and described chip permanent magnet is installed on the described connected element.
Preferably, described the first fixed connecting piece is the tabular link that is provided with pilot hole; Described the second fixed connecting piece is the tabular link that is provided with pilot hole and bar seam; Described the 3rd fixed connecting piece is the link that is provided with pilot hole; The first fixed connecting piece and the second fixed connecting piece are assemblied in the both sides of the first magnetic conductor and the second magnetic conductor, are fixedly connected with by the first pilot hole group; The 3rd fixed connecting piece and the second fixed connecting piece are by the fixing assembling of the second pilot hole group; Two groups of chip permanent magnets insert in two air gaps of described stator component by the seam of the bar on the second fixed connecting piece respectively.
Preferably, described piston is installed in the cylinder, and the two matches, realizing the location of chip permanent magnet in air gap, and the axially locating of described mover component.
Preferably, described resonance section is installed on the 3rd fixed connecting piece and connected element, and between the second fixed connecting piece and the connected element.
Preferably, described cylinder is arranged on described the 3rd fixed connecting piece, and installation direction is identical with piston.
Preferably, two groups of described chip permanent magnets are parallel to each other, and two groups of parallel chip permanent magnets are assemblied in respectively the two ends of connected element one side, and the opposite side of connected element links to each other with described piston, and described piston inserts in the described cylinder.
Preferably, described suction-exhaust device is arranged on the end of cylinder, comprise exhaust cavity, air aspiration cavity, outlet valve and Aspirating valves, exhaust cavity and air aspiration cavity are two separate cavitys, and described Aspirating valves and outlet valve are arranged on the end of cylinder or the end of the piston that is oppositely arranged with outlet valve in the same way.
Preferably, described cylinder is arranged on the second fixed connecting piece, and installation direction is opposite with piston.
Preferably, two groups of described chip permanent magnets are parallel to each other, and two groups of parallel chip permanent magnets are assemblied in described connected element one side, the side that described connected element is equipped with the chip permanent magnet links to each other with described piston, and piston inserts in the described cylinder, described suction-exhaust device is arranged between cylinder and the second fixed connecting piece, comprise exhaust cavity, air aspiration cavity, outlet valve and Aspirating valves, exhaust cavity and air aspiration cavity are two separate cavitys, and described Aspirating valves and outlet valve are arranged on the end of cylinder or the end of the piston that is oppositely arranged with outlet valve in the same way.
(3) beneficial effect
The magnetic structure of motor of the present invention symmetrical (two chip permanent magnets and the first magnetic conductor and the second magnetic conductor form the symmetric type magnetic circuit), the magnetic structure of this symmetry, the design of Elongation that can be by strengthening coil reduces the magnetic circuit loss of end turn, farthest utilize the coil periphery to produce magnetic field, improve the utilization ratio of coil method.The compression such as cylinder, piston parts are arranged on the outside of motor, so that compressor is longilineal horizontal type structure, are suitable for the application in some short spaces.
Description of drawings
Fig. 1 is the plan view of the embodiment of the invention one;
Fig. 2 is the axle side schematic diagram of the embodiment of the invention one;
Fig. 3 is the plan view of the embodiment of the invention two;
Fig. 4 is the axle side schematic diagram of the embodiment of the invention two.
Wherein, the first magnetic conductor 1; Field coil 2; The second magnetic conductor 3; Air gap 4; The first fixed connecting piece 5; The second fixed connecting piece 6; Chip permanent magnet 7; Connected element 8; Resonance section 9; The 3rd fixed connecting piece 10; Piston 11; Cylinder 12; Suction-exhaust device 13; The first pilot hole group 14; The second pilot hole group 15; Bar seam 16.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
Embodiment one
As shown in Figure 1, 2, the present embodiment comprises moving-magnetic linear vibration motor, cylinder 12, piston 11, suction-exhaust device 13 and resonance section 9.
Described moving-magnetic linear vibration motor comprises stator component, mover component, the first fixed connecting piece 5, the second fixed connecting piece 6, the 3rd fixed connecting piece 10; Described cylinder 12 is arranged on the 3rd fixed connecting piece 10, and installation direction is identical with piston 11; Described piston 11 is arranged on the mover component; Described suction-exhaust device 13 is arranged on the end of cylinder 12; Described resonance section 9 is installed between mover component and the 3rd fixed connecting piece 10.
Stator component comprises that center pillar is wound with the first magnetic conductor 1 field coil 2, that be positioned at the centre, and two the second magnetic conductors 3 (being approximately trapezoidal) that place the first magnetic conductor 1 both sides.The longitudinal section shape of two the first magnetic conductors 1 is such as two " mountain " shapes, and up and down symmetrical placement forms two symmetrical long strip air gaps 4 between the second magnetic conductor 3 of the first magnetic conductor 1 and both sides face-to-face.The magnetic conductor that described the first magnetic conductor 1 and the second magnetic conductor 3 form for silicon steel plate stacks, or be ferrite powder, amorphous nano peritectic alloy or the beryllium magnetic conductor that processes of the permeability magnetic material such as alloy not.
Mover component comprises that two symmetries are installed on the chip permanent magnet 7 in the both sides long strip air gap 4 and are used for the connected element 8 of assembling permanent magnetism sheet.Two groups of trapezoidal chip permeability magnetic materials stack along short transverse, and symmetry is placed on the both sides of the first magnetic conductor 1, form the second magnetic conductor 3.Two groups of parallel chip permanent magnets 7 are assemblied in the two ends of connected element 8 one sides, and connected element 8 opposite sides link to each other with the piston 11 of smooth outer surface.
Fixed connecting piece comprises: 6, one of tabular the second fixed connecting pieces that 5, one of tabular first fixed connecting piece that are provided with pilot hole is provided with pilot hole and pair of parallel bar seam are provided with the 3rd fixed connecting piece 10 of pilot hole.The first fixed connecting piece 5 and the second fixed connecting piece 6 are assemblied in the both sides of the first magnetic conductor 1 and the second magnetic conductor 3, are fixedly connected with by the first pilot hole group 14.The second fixed connecting piece 6 is provided with all consistent parallel bar seams 16 of a pair of and air gap 4 height, width and position.The chip permanent magnet 7 at two ends inserts in the air gap of stator component by the seam of the bar on the second fixed connecting piece 6 16 respectively, in the cylinder 12 that piston 11 inserts on the 3rd fixed connecting piece 10 simultaneously, the 3rd fixed connecting piece 10 and the second fixed connecting piece 6 are by the 15 fixing assemblings of the second pilot hole group.Precision by high smooth degree between piston 11 and the cylinder 12 cooperates and realizes the location of chip permanent magnet 7 in air gap.
Piston 11 cooperations that are arranged on the mover component are installed in the cylinder 12, realize the axially locating of mover component.Cylinder 12 is arranged on the 3rd fixed connecting piece 10.
Suction-exhaust device 13 is arranged on the end of cylinder 12, comprise the parts such as exhaust cavity, air aspiration cavity, outlet valve and Aspirating valves, exhaust cavity and air aspiration cavity are two separate cavitys, and described Aspirating valves and outlet valve are arranged on the end of cylinder 12 or the end of the piston 11 that is oppositely arranged with outlet valve in the same way.
The working principle of above-mentioned Linearkompressor is as follows:
Two chip permanent magnets 7 magnetize in the direction symmetry vertical with air gap 4 length directions, form the symmetric type magnetic circuit with the first magnetic conductor 1 and the second magnetic conductor 3, thereby on the center pillar of the first magnetic conductor 1 around field coil 2 connect Ac and in long strip air gap 4, produce the magnetic field that positive and negative direction replaces, mover component is done reciprocating vibration with resonance section 9 along the length direction of air gap 4 and is moved under the effect of alternating magnetic field.The piston 11 that is connected with mover component is reciprocating in cylinder 12: piston 11 is to a lateral movement, when cylinder 12 internal pressures during less than pressure of inspiration(Pi), gas is opened and sucked to Aspirating valves, piston 11 reversing motions, gas is compressed, when cylinder 12 internal pressures during greater than exhaust pressure, outlet valve is opened and Exhaust Gas, and so forth.The magnetic structure of this symmetry can reduce by the Elongation design of strengthening field coil the magnetic circuit loss of field coil end, farthest utilizes the field coil periphery to produce magnetic field, improves the utilization ratio of material.
Embodiment two
As shown in Figure 2, the moving-magnetic linear vibration motor structure of the present embodiment is identical with embodiment one moving-magnetic linear vibration motor structure, and difference is: a side that is equipped with two groups of parallel chip permanent magnets 7 of connected element 8 links to each other with the piston 11 of smooth outer surface.Cylinder 12 is arranged on the second fixed connecting piece 6, and installation direction is opposite with piston 11.In the cylinder 12 that piston 11 inserts on the second fixed connecting piece 6.Suction-exhaust device 13 is arranged between cylinder 12 and the second fixed connecting piece 6.
Embodiment two is identical with embodiment one working principle.
The above only is embodiments of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (10)
1. a Linearkompressor that adopts the moving-magnetic linear vibration motor to drive is characterized in that, comprises moving-magnetic linear vibration motor, cylinder (12), piston (11), suction-exhaust device (13) and resonance section (9); Wherein,
Described moving-magnetic linear vibration motor comprises stator component, mover component, the first fixed connecting piece (5), the second fixed connecting piece (6), the 3rd fixed connecting piece (10); Described piston (11) is arranged on the mover component; Described suction-exhaust device (13) is arranged on the end of cylinder (12); Described resonance section (9) is installed between mover component and the 3rd fixed connecting piece (10);
Described stator component comprises that center pillar is wound with the first magnetic conductor (1) field coil (2), that be positioned at the centre, and two the second magnetic conductors (3) that are positioned at the first magnetic conductor (1) both sides; Form symmetrical two air gaps (4) between second magnetic conductor (3) of described the first magnetic conductor (1) and both sides;
Described mover component comprise two groups respectively symmetry be installed on chip permanent magnet (7) in described two air gaps (4).
2. Linearkompressor as claimed in claim 1 is characterized in that, described mover component also comprises connected element (8), and described chip permanent magnet (7) is installed on the described connected element (8).
3. Linearkompressor as claimed in claim 1 is characterized in that, described the first fixed connecting piece (5) is for being provided with the tabular link of pilot hole; Described the second fixed connecting piece (6) is for being provided with the tabular link of pilot hole and bar seam (16); Described the 3rd fixed connecting piece (10) is for being provided with the link of pilot hole; The first fixed connecting piece (5) and the second fixed connecting piece (6) are assemblied in the both sides of the first magnetic conductor (1) and the second magnetic conductor (3), are fixedly connected with by the first pilot hole group (14); The 3rd fixed connecting piece (10) assembles by the second pilot hole group (15) is fixing with the second fixed connecting piece (6); Two groups of chip permanent magnets (7) insert in two air gaps (4) of described stator component by the seam of the bar on the second fixed connecting piece (6) (16) respectively.
4. Linearkompressor as claimed in claim 1, it is characterized in that, described piston (11) is installed in the cylinder (12), and the two matches, with the location of realization chip permanent magnet (7) in air gap (4), and the axially locating of described mover component.
5. Linearkompressor as claimed in claim 2 is characterized in that, described resonance section (9) is installed on the 3rd fixed connecting piece (10) and connected element (8), and between the second fixed connecting piece (6) and the connected element (8).
6. Linearkompressor as claimed in claim 1 is characterized in that, described cylinder (12) is arranged on described the 3rd fixed connecting piece (10), and installation direction is identical with piston (11).
7. Linearkompressor as claimed in claim 2, it is characterized in that, two groups of described chip permanent magnets (7) are parallel to each other, and parallel two groups of chip permanent magnets (7) are assemblied in respectively the two ends of connected element (8) one sides, the opposite side of connected element (8) links to each other with described piston (11), and described piston (11) inserts in the described cylinder (12).
8. such as each described Linearkompressor in the claim 1～7, it is characterized in that, described suction-exhaust device (13) is arranged on the end of cylinder (12), comprise exhaust cavity, air aspiration cavity, outlet valve and Aspirating valves, exhaust cavity and air aspiration cavity are two separate cavitys, and described Aspirating valves and outlet valve are arranged on the end of cylinder (12) or the end of the piston (11) that is oppositely arranged with outlet valve in the same way.
9. Linearkompressor as claimed in claim 1 is characterized in that, described cylinder (12) is arranged on the second fixed connecting piece (6), and installation direction is opposite with piston (11).
10. such as claim 1～5, each described Linearkompressor in 9, it is characterized in that, two groups of described chip permanent magnets (7) are parallel to each other, and parallel two groups of chip permanent magnets (7) are assemblied in described connected element (8) one sides, the side that described connected element (8) is equipped with chip permanent magnet (7) links to each other with described piston (11), and piston (11) inserts in the described cylinder (12), described suction-exhaust device (13) is arranged between cylinder (12) and the second fixed connecting piece (6), comprise exhaust cavity, air aspiration cavity, outlet valve and Aspirating valves, exhaust cavity and air aspiration cavity are two separate cavitys, and described Aspirating valves and outlet valve are arranged on the end of cylinder (12) or the end of the piston (11) that is oppositely arranged with outlet valve in the same way.
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| CN201110202468.5A CN102889192B (en) | 2011-07-19 | 2011-07-19 | Linear compressor driven by using moving magnetic type linear oscillation motor |
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| CN201110202468.5A CN102889192B (en) | 2011-07-19 | 2011-07-19 | Linear compressor driven by using moving magnetic type linear oscillation motor |
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Cited By (4)
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| CN103560639A (en) * | 2013-11-20 | 2014-02-05 | 东南大学 | High power factor linear reciprocating oscillation motor |
| CN107425621A (en) * | 2017-09-11 | 2017-12-01 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of flattening electric machine structure and compressor |
| CN110017258A (en) * | 2019-05-20 | 2019-07-16 | 台州市星亚科技股份有限公司 | A kind of straight line air compressor machine |
| CN113691099A (en) * | 2021-08-05 | 2021-11-23 | 河南理工大学 | High-efficient quick electric permanent magnetism stopper |
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| CN113691099A (en) * | 2021-08-05 | 2021-11-23 | 河南理工大学 | High-efficient quick electric permanent magnetism stopper |
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| CN102889192B (en) | 2015-03-18 |
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