CN110043443A - A kind of moving-magnetic linear compressor - Google Patents
A kind of moving-magnetic linear compressor Download PDFInfo
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- CN110043443A CN110043443A CN201910319746.1A CN201910319746A CN110043443A CN 110043443 A CN110043443 A CN 110043443A CN 201910319746 A CN201910319746 A CN 201910319746A CN 110043443 A CN110043443 A CN 110043443A
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- yoke
- cylinder
- spring
- straight
- moving
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Classifications
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- 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
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- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
- F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
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- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0088—Pulsation and noise damping means using mechanical tuned resonators
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- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
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- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
Abstract
The present invention provides a kind of moving-magnetic linear compressors, including compressor housing, stator module and mover assembly, stator module includes interior yoke on the compressor housing central axis, the outer yoke provided around the interior yoke, the motor fixing frame that the interior yoke and outer yoke are fixed, and the motor fixing frame is resiliently supported on the inner wall of the compressor housing by shock-absorbing support part；Permanent magnet magnetic patch is embedded on the permanent magnetism body support frame, the gap that the permanent magnet magnetic patch may pass through between the interior yoke and outer yoke moves back and forth, the reciprocating motion of the permanent magnet magnetic patch drives the permanent magnetism body support frame and the movement of straight-line electric arbor, and then the piston compressed gas acting of cylinder is driven, the refrigerant gas of low-temp low-pressure is compressed into the refrigerant gas of high temperature and pressure.The present invention by carrying out structure optimization to multiple components, realize the compact-sized of compressor, stable connection, operation efficiently, the effect of noise is lower and long service life.
Description
Technical field
The present invention relates to the technical field of Linearkompressor more particularly to a kind of moving-magnetic linear compressors.
Background technique
Compressor is the heart of refrigeration system, it is a kind of driven fluid machine that low-pressure gas is promoted to high pressure gas
Tool, it sucks the refrigerant gas of low-temp low-pressure from air intake duct, after being compressed by motor driven belts piston to it, to row
The refrigerant gas of high temperature and pressure is discharged in tracheae, provides power for refrigeration cycle.Currently, most domestic refrigerator, air-conditioning etc. are made
Cool equipment all uses rotary compressor, this kind of compressor, as driving source, utilizes crank connecting link using traditional rotating electric machine
Mechanism converts the rotary motion of motor to the straight reciprocating motion of piston, although this kind of compressor better economy, it has
Have the shortcomings that big frictional resistance, low efficiency, Mechanical Reliability are poor, is difficult to be promoted again in aspect of performance.
In contrast, more and more attention are received using the reciprocating linear compressor that linear motor drives, back and forth
Formula linear compressor can save crank link mechanism, reduce frictional dissipation, improve system effectiveness and reliability.According to straight line used
The difference of motor type, linear compressor are mainly the following type: moving-coil type, moving-iron type, moving-magnetic type and moving-magnet.With
Under other compressor types compare, moving-magnetic linear compressor more compact structure, volume be smaller, power is bigger, efficiency more
It is high.
For further promoted compressor performance and operational efficiency, have longer service life, need to be in existing compressor
Structure basis on carry out further Optimal Structure Designing, make its structure it is more compact, reduce air gap, increase motor ratio push away
Power.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide a kind of new structural moving-magnetic linear compressor,
A possibility that being supported to permanent magnet magnetic patch by the way of permanent magnetism body support frame, reduce air gap, greatly reduce leakage field increases
Motor specific thrust is added.
To achieve the above object, the present invention provides a kind of moving-magnetic linear compressor, including compressor housing, it is located at institute
The stator module and mover assembly in compression case body are stated, the stator module includes being located on compressor housing central axis
Interior yoke, the outer yoke provided around the interior yoke fix the motor that the interior yoke and outer yoke are fixed
Frame, the motor fixing frame are resiliently supported on the inner wall of the compressor housing by shock-absorbing support part；
The mover assembly includes axially across the straight-line electric arbor of the interior yoke, positioned at the interior yoke and outer yoke
Between and with the permanent magnetism body support frame of the linear motor axis connection, the flat spring positioned at linear motor shaft end portion and resonance circle
Column spring, the left end of the straight-line electric arbor and the piston rod of cylinder are attached；
Permanent magnet magnetic patch is embedded on the permanent magnetism body support frame, the permanent magnet magnetic patch may pass through the interior yoke and outer yoke
Gap between iron moves back and forth, and the reciprocating motion of the permanent magnet magnetic patch drives the permanent magnetism body support frame and linear motor
Axis movement, and then the piston compressed gas acting of cylinder is driven, the refrigerant gas of low-temp low-pressure is compressed into high temperature and pressure
Refrigerant gas.
Further, the suction pneumatic module for reducing compressor operating noise is additionally provided in the compression case body；
The suction pneumatic module includes suction valve chip, exhaust valve plate, cylinder intake plug and muffler, the suction
Air valve plate and exhaust valve plate are fixed on the end face of the piston by backing-up screw；
The cylinder intake plug is filled in cylinder from the bottom of the cylinder.
Further, the muffler is divided into two parts, and a portion is hemispherical cavity, and another part is band
There is the ladder circle cylindrical chamber of exhaust pipe, wherein the bottom of the hemispherical cavity is bonded with the upper surface of the cylinder, it is described
The bottom of ladder circle cylindrical chamber with along being bonded, pass through the lower end of clamping cap and cylinder on the outer surface of the hemispherical cavity
Upper surface is bonded, and is threaded with locking cap on the clamping cap, exhaust pipe is pressed in the locking cap and the step type
Between the protruded tube of circular cylindrical cavity.
Preferably, it is wound with interior loop and exterior loop respectively at the type chamber on the interior yoke and outer yoke；
The outer yoke is formed by stacking by multi-disc in the silicon steel sheet of E shape, and the both ends of the outer yoke of E shape structure have arc-shaped
Flange, the exterior loop after winding can directly be drawn from outer yoke；
Wire lead slot is equipped at the boss of the interior yoke, the interior loop after winding at the wire lead slot by drawing.
Preferably, the shaft shoulder of the right end of the permanent magnetism body support frame and the straight-line electric arbor is bonded, left end and permanent magnet
Bracket plug is fixedly connected, and the center of the permanent magnetism body support frame plug is fixedly connected with the straight-line electric arbor；
Ladder axle sleeve, the right side of the ladder axle sleeve and the straight-line electric arbor are cased on the outer diameter of the piston rod
End face fitting；
The flat spring includes the left plate spring and right panel spring for being located at straight-line electric arbor left end and right end, institute
The outer ring and right end cap and right motor fixing frame for stating left plate spring are fixed together；The outer ring of the left plate spring and left electricity
Machine fixed frame, left end cap and transition support frame are fixed together.
Further, the end of the central part of the left plate spring and the ladder axle sleeve and left cylindrical spring seat is pasted
It closes, the central part of the right panel spring is bonded with the end of the shaft shoulder of the straight-line electric arbor and right cylindrical spring seat；
The resonance cylindrical spring includes left resonance cylindrical spring and right resonance cylindrical spring, the right resonance cylindrical spring
Both ends contacted respectively with the groove fixation at position among right cylindrical spring seat and right end cap；The two of the left resonance cylindrical spring
End is contacted with the groove fixation at position among left cylindrical spring seat and left end cap respectively；
The right cylindrical spring seat is by nut check on the straight-line electric arbor.
Preferably, respectively there are two cylindrical flanges for the upper end and lower end of the motor fixing frame, are used for and the damping branch
Support member connection, side are equipped with four groups of boss, and every group of two boss are parallel to each other, the spacing of every group of two boss and the outer yoke
The cross-sectional width of iron is equal, after the outer yoke is mounted in the groove of the motor fixing frame, using boss to its position
It is fixed and clamps.
Optionally, the permanent magnetism body support frame is cylinder-shaped barrier shape, therebetween position have for install it is described forever
The mounting groove of magnet magnetic patch；The permanent magnet magnetic patch is arc-shaped, and the mounting groove being articulated on the permanent magnetism body support frame.
Further, the surface of the flat spring is machined with involute slot, and circumferentially the mode of array is evenly arranged on plate
On spring, the uniformly distributed involute slot makes compressor, and gas offsets each other to the radial force of flat spring during the work time.
Optionally, the suction valve chip and exhaust valve plate are four column support type structures, and middle position is equipped with mounting hole, with work
The structure of the air inlet contact position of plug is rounded, for optimizing the cracking pressure of suction valve chip and exhaust valve plate；
The suction valve chip and exhaust valve plate are pressed on the front end of the piston, the front end of the cylinder by holding screw
Equipped with gas vent, for high pressure gas to be discharged；The exhaust valve plate is tightly attached to the upside of the cylinder, when gas pressure reaches row
When the cracking pressure of air valve plate, exhaust valve plate is opened, and is exhausted by the indentation, there of exhaust valve plate.
By upper, the new structural moving-magnetic type compressor of the present invention is by using the mode of permanent magnetism body support frame to permanent magnet magnetic patch
It is supported, so that a possibility that reducing air gap, greatly reducing leakage field, increases motor specific thrust, the furthermore novel knot
The resonant springs system that the moving-magnetic type compressor of structure is constituted by using flexible flat spring, resonance cylindrical spring, so that entire pressure
Contracting machine system has good axial support and radial support, and the resonant springs being made of flexible flat spring and cylindrical spring
System can give the certain restoring force of mover in compressor operation and play the role of preventing compressor from hitting cylinder, pass through
Entire compressor assembly is made to reach more preferably resonance working condition using resonant springs system.Circular hole on the outside of flat spring with
Threaded hole on motor fixing frame is connected by screw to, so that the surface of flat spring and motor fixing frame fits closely together,
Flat spring uniform force, while the circular hole among flat spring plays certain radial support for piston rod and straight-line electric arbor
Effect, resonance cylindrical spring are installed between spring base and the groove of end cap, with biggish rigidity, play stronger axis
To supporting role.Carry out Optimal Structure Designing by each part in suction pneumatic module so that entire suction and discharge part have compared with
Good noise reduction effect, suction pneumatic module are arranged so that noise is controlled.
Detailed description of the invention
Fig. 1 is the integrally-built diagrammatic cross-section of moving-magnetic linear compressor of the invention；
Fig. 2 is the integrally-built perspective view in inside of moving-magnetic linear compressor of the invention；
Fig. 3 is the integrally-built left view in inside of moving-magnetic linear compressor of the invention；
Fig. 4 is the integrally-built right view in inside of moving-magnetic linear compressor of the invention；
Fig. 5 is the cross-sectional view in the integrally-built middle position in inside of moving-magnetic linear compressor of the invention；
Fig. 6 is the cross-sectional view in the integrally-built another middle position in inside of moving-magnetic linear compressor of the invention.
In figure, 1, compressor housing；2, exhaust pipe；3, locking cap；4, clamping cap；5,6, muffler；7, exhaust valve
Piece；8, cylinder；9, suction valve chip；10, the piston rod of cylinder；11, cylinder intake plug；12, shock-absorbing support part；13, flat spring；
14, right cylindrical spring seat；15, right end cap；16, resonance cylindrical spring；17, straight-line electric arbor；18, permanent magnetism body support frame；19, right electricity
Machine fixed frame；20, interior yoke；21, permanent magnet magnetic patch；22, outer yoke；23, interior loop；24, exterior loop；25, left motor is fixed
Frame；26, transition support frame；27, permanent magnetism body support frame plug；28, ladder axle sleeve；29, left cylindrical spring seat；30, left end cap；31, it inhales
Tracheae.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as outer, interior, left and right ...) of institute is only used for explaining in the embodiment of the present invention
In relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if the specific appearance
When state changes, then directionality instruction also correspondingly changes correspondingly.Wherein, " left side " corresponds to the left side in Fig. 1, and " right side " is right
It should be in the right side in Fig. 1.
Moving-magnetic linear compressor of the invention is described in detail referring to Fig. 1 to Fig. 6, moving-magnetic linear of the invention
Compressor is commonly applied to the refrigeration equipments such as refrigerator, air-conditioning.
Moving-magnetic linear compressor of the invention includes compressor housing 1, shock-absorbing support part 12, mover assembly, suction and discharge
Component and stator module, end cap 15,30, the stator module include interior yoke 20, interior loop 23, exterior loop 24, outer yoke 22,
Motor fixing frame 19,25, motor fixing frame 19,25 are fixedly attached on compressor housing 1 by shock-absorbing support part 12, the pressure
1 upper inside of contracting casing body and downside are respectively there are two mounting groove is flexibly supported, for fixing shock-absorbing support part 12, shock-absorbing support part
12 can be rubber-type elastic supporting member for supporting optical member.The interior loop 23 and exterior loop 24 are wound in interior yoke 20 respectively and outer yoke 22 is respective
At the type chamber at place, the outer yoke 22 is both secured on motor fixing frame 19,25 with interior yoke 20.
The upper end and lower end of motor fixing frame 19,25 of the invention are used for and shock-absorbing support respectively there are two cylindrical flange
Part 12 connects, and there are four groups of boss in side, and every group of two boss are parallel to each other, the section of the spacing between boss and outer yoke 22
Width is equal.With fluted on the inside of the outer ring of the motor fixing frame 19,25 and inner ring, for the fixed and outer yoke 22 of support
And interior yoke 20, after outer yoke 22 is mounted in the groove of motor fixing frame 19,25, its position is fixed using boss
And it clamps.The outer yoke 22 is formed by stacking by multi-disc in the silicon steel sheet of E shape, and the both ends of the outer yoke 22 of E shape structure have circle
Curved flanges, the exterior loop 24 after winding can directly be drawn from outer yoke 22.The interior loop 23 and exterior loop 24, which are divided, is
Interior yoke coil and outer yoke coil, the outer yoke coil are wound in the type chamber of outer yoke 22, and the interior yoke coil twines
It is around in the type chamber of interior yoke 20, has wire lead slot at the boss of the interior yoke 20, the interior yoke coil after winding passes through interior
It is drawn at the wire lead slot of yoke 20.
Mover assembly of the invention includes the piston being set in cylinder 8, straight-line electric arbor 17, permanent magnet magnetic patch 21, forever
Magnet carrier 18, permanent magnetism body support frame plug 27, flat spring 13 and resonance cylindrical spring 16, ladder axle sleeve 28, wherein straight-line electric arbor
17 are located on the central axis of the interior yoke 20, and the permanent magnet magnetic patch 21 is embedded on 18 side wall of permanent magnetism body support frame simultaneously
It may pass through the gap between the interior yoke 20 and the outer yoke 22 and move back and forth, the right side of the permanent magnetism body support frame 18
The shaft shoulder of end and the straight-line electric arbor 17 is bonded, and left end is fixedly connected with the permanent magnetism body support frame plug 27, the permanent magnet
The outer ring of bracket plug 27 and permanent magnetism body support frame 18 are cooperatively connected, the inner hole and the straight-line electric arbor of the permanent magnetism body support frame plug 27
17 are fixedly connected, and each serve as the effect to permanent magnetism body support frame 18 and the fixed support of straight-line electric arbor 17.The work of the cylinder 8
The mode that stopper rod 10 is connected through a screw thread and the left end of the straight-line electric arbor 17 are attached, and 28 sets of the ladder axle sleeve is in institute
On the outer diameter for stating piston rod 10, the right side of ladder axle sleeve 28 is bonded with the end face of the straight-line electric arbor 17.
The outer ring of the flat spring 13 and the end cap 15,30 and the motor fixing frame 19,25 and transition support frame 26
(right side is without transition support frame) is fixed together, and circle hole shape connection is all had outside the both ends of the transition support frame 26
Portion, for the fixation with the motor fixing frame 25 and for fixing flat spring 13 (left side) and left end cap 30.The motor is solid
Determine frame 19,25, transition support frame 26, end cap 15,30 end be respectively equipped with threaded connection hole, the periphery of flat spring 13 is equipped with circle
Hole, and be connected by screw to together.The central part and the ladder axle sleeve 28 and Zuo Yuanzhu of the flat spring 13 (left side)
The end of spring base 29 is bonded, the central part of the flat spring 13 (right side) and the shaft shoulder and right circle of the straight-line electric arbor 17
The end of column spring base 14 is bonded, 16 both ends of resonance cylindrical spring respectively with the cylindrical spring seat 14,29 and the end
Lid 15, the fixed contact of the groove at 30 intermediate positions, the type of the resonance cylindrical spring 16 is the cylindrical spring of both ends horizontal,
Effect is in order to enable cylindrical spring and the cylindrical spring seat 14,29 come into full contact with.The right cylindrical spring seat 14 passes through spiral shell
Mother is locked on straight-line electric arbor 17.Wherein the bottom end of left cylindrical spring seat 29 is equipped with protrusion, the bottom end of right cylindrical spring seat 14
It is horizontal.
Suction pneumatic module of the invention include suction valve chip 9, exhaust valve plate 7, cylinder intake plug 11, muffler 5,6,
Locking cap 3, clamping cap 4, the cylinder 8 in compressor housing 1 are fixed in the centre bore of left end cap 30, the suction valve chip 9, row
Air valve plate 7 is fixed on the upper surface of the piston of cylinder 8 by backing-up screw, and the cylinder intake plug 11 is then from the bottom of cylinder
It fills in cylinder 8, the circumferencial direction of the cylinder intake plug 11 is uniform-distribution with four air inlets, and the front end of the piston has
Circumferentially the port of direction arrangement, center have the internal screw thread with 10 tightening connection of piston rod, range
For 9.5mm.5,6 points of the muffler are two parts, and a portion is hemispherical cavity, and another part is with exhaust
The ladder circle cylindrical chamber of pipe 2, wherein the bottom of the hemispherical cavity is bonded with the upper surface of cylinder 8, the stepped cylindrical
The bottom of shape cavity is bonded with edge on the outer surface of the hemispherical cavity, passes through the lower end of clamping cap 4 and the upper surface of cylinder 8
Fitting, locking cap 3 are threadedly coupled with clamping cap 4, and exhaust pipe 2 is pressed in the locking cap 3 and stepped cylinder shape chamber
Between the protruded tube of body.Muffler 5 as a result, 6 structure is that indent and evagination two parts form, by gas return path
And the analysis in flow field optimizes the structure of muffler, so that noise be made to reach minimum.
In addition, permanent magnetism body support frame 18 of the invention is cylinder-shaped barrier shape, position has mounting groove therebetween, is used for
The connection relationship of installation fixed permanent magnet magnetic patch 21, the permanent magnet magnetic patch 21 and the mounting groove on permanent magnetism body support frame 18 is hinge
It connects, the permanent magnet magnetic patch 21 is arc-shaped shape.
Wherein, straight-line electric arbor 17 be multi-diameter shaft (straightening journal axle), right end be external screw thread, for fix flat spring 13 and
Right spring base 14, left end is counter sink internal screw thread, for being attached with the external screw thread on piston rod 10, wherein middle section
The transition shaft shoulder is used for fixed permanent magnet bracket 18.The ladder axle sleeve 28 belongs to transition piece, and structure is stairstepping,
Effect is presented as transitional function and the supporting role to flat spring 13.
The surface of the flat spring 13 is machined with involute slot, and the mode of involute slot circumferentially array is evenly arranged on plate
On spring 13, involute slot uniformly distributed so that compressor gas mutually offsets to the radial force of flat spring 13 during the work time
Disappear.
Suction valve chip 9 of the invention, exhaust valve plate 7 are four column support type structures, and interposition is equipped with mounting hole, with piston
The structure of air inlet contact position is rounded, and structure is in order to optimize the cracking pressure of suction valve chip 9, exhaust valve plate 7.The suction
Air valve plate 9 and exhaust valve plate 7 are pressed on the front end of the piston by holding screw, and there is gas vent in the front end of the cylinder 8, use
In discharge high pressure gas；The exhaust valve plate 7 is tightly attached to the upside of cylinder 8, when gas pressure reaches the unlatching pressure of exhaust valve plate 7
When power, exhaust valve plate 7 is opened, and is exhausted by the indentation, there of exhaust valve plate 7.
The whole work process of moving-magnetic linear compressor of the invention are as follows: in the interior loop 23 and exterior loop for giving compressor
In the case where 24 logical upper alternating currents, interior loop 23 and exterior loop 24 will generate the magnetic field of alternation, in this case, permanent magnet branch
The direction of magnetic field force suffered by permanent magnet magnetic patch 21 on frame 18 be also it is continually changing, in the driving of the magnetic field force of direction change
Under, permanent magnet magnetic patch 21 drives permanent magnetism body support frame 18, to drive straight-line electric arbor 17 to start to do linear reciprocating motion, thus band
The refrigerant gas of low-temp low-pressure is compressed into the refrigerant gas of high temperature and pressure by the acting of piston compressed gas, piston motion.
The present invention reduces air gap, increases motor specific thrust, even by the way that permanent magnet magnetic patch 21 to be embedded in permanent magnetism body support frame 18
Socket part is bonded closely with flat spring, motor fixing frame, and flat spring uniform force, the setting of suction pneumatic module is so that noise is controlled
System.The present invention realizes the compact-sized of compressor, stable connection, operation height by carrying out structure optimization to multiple components
Effect, the effect of noise is lower and long service life.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of moving-magnetic linear compressor, including compressor housing (1), the stator pack being located in the compressor housing (1)
Part and mover assembly, it is characterised in that:
The stator module includes the interior yoke (20) being located on compressor housing (1) central axis, around the interior yoke
(20) outer yoke (22) provided around, the motor fixing frame that the interior yoke (20) and outer yoke (22) are fixed (19,
25), the motor fixing frame (19,25) is resiliently supported at the inner wall of the compressor housing (1) by shock-absorbing support part (12)
On；
The mover assembly includes axially across the straight-line electric arbor (17) of the interior yoke (20), positioned at the interior yoke (20)
The permanent magnetism body support frame (18) that connect between outer yoke (22) and with the straight-line electric arbor (17) is located at the straight-line electric arbor
(17) flat spring (13) and resonance cylindrical spring (16) of end, the work of the left end and cylinder (8) of the straight-line electric arbor (17)
Stopper rod (10) is attached；
It is embedded with permanent magnet magnetic patch (21) on the permanent magnetism body support frame (18), the permanent magnet magnetic patch (21) may pass through the interior yoke
Gap between iron (20) and outer yoke (22) moves back and forth, described in the reciprocating motion drive of the permanent magnet magnetic patch (21)
Permanent magnetism body support frame (18) and straight-line electric arbor (17) movement, and then the piston compressed gas acting of cylinder (8) is driven, low temperature is low
The refrigerant gas of pressure is compressed into the refrigerant gas of high temperature and pressure.
2. moving-magnetic linear compressor according to claim 1, which is characterized in that also set in the compressor housing (1)
There is the suction pneumatic module for reducing compressor operating noise；
The suction pneumatic module includes suction valve chip (9), exhaust valve plate (7), cylinder intake plug (11) and muffler
(5,6), the suction valve chip (9) and exhaust valve plate (7) are fixed on the end face of the piston by backing-up screw；
The cylinder intake plug (11) is filled in cylinder (8) from the bottom of the cylinder (8).
3. moving-magnetic linear compressor according to claim 2, which is characterized in that the muffler (5,6) is divided into
Two parts, a portion are hemispherical cavity, and another part is the ladder circle cylindrical chamber with exhaust pipe (2), wherein institute
The bottom for stating hemispherical cavity is bonded with the upper surface of the cylinder (8), the bottom of the ladder circle cylindrical chamber and described half
Along fitting on the outer surface of spherical cavity, it is bonded by the lower end of clamping cap (4) with the upper surface of cylinder (8), the clamping cap
(4) it is threaded with locking cap (3) on, exhaust pipe (2) is pressed in the locking cap (3) and the stepped cylinder shape cavity
Protruded tube between.
4. moving-magnetic linear compressor according to claim 1, which is characterized in that the interior yoke (20) and outer yoke
(22) interior loop (23) and exterior loop (24) are wound at the type chamber on respectively；
The outer yoke (22) is formed by stacking by multi-disc in the silicon steel sheet of E shape, and the both ends of the outer yoke (22) of E shape structure have circle
Curved flanges, the exterior loop (24) after winding can directly be drawn from outer yoke (22)；
Wire lead slot is equipped at the boss of the interior yoke (20), the interior loop (23) after winding at the wire lead slot by drawing
Out.
5. moving-magnetic linear compressor according to claim 1, which is characterized in that the right end of the permanent magnetism body support frame (18)
It is bonded with the shaft shoulder of the straight-line electric arbor (17), left end is fixedly connected with permanent magnetism body support frame plug (27), the permanent magnet branch
The center of frame plug (27) is fixedly connected with the straight-line electric arbor (17)；
It is cased with ladder axle sleeve (28) on the outer diameter of the piston rod (10), the right side of the ladder axle sleeve (28) and the straight line
The end face of motor shaft (17) is bonded；
The flat spring (13) includes the left plate spring and right panel bullet for being located at straight-line electric arbor (17) left end and right end
Spring, outer ring and the right end cap (15) and right motor fixing frame (19) of the left plate spring are fixed together；The left plate bullet
The outer ring of spring is fixed together with left motor fixing frame (25), left end cap (30) and transition support frame (26).
6. moving-magnetic linear compressor according to claim 5, which is characterized in that the central part of the left plate spring with
The fitting of the end of the ladder axle sleeve (28) and left cylindrical spring seat (29), the central part and the straight line of the right panel spring
The fitting of the end of the shaft shoulder of motor shaft (17) and right cylindrical spring seat (14)；
The resonance cylindrical spring (16) includes left resonance cylindrical spring and right resonance cylindrical spring, the right resonance cylindrical spring
Both ends contacted respectively with the groove fixation at the intermediate position of right cylindrical spring seat (14) and right end cap (15)；The left resonance cylinder
The both ends of spring are contacted with the groove fixation of left cylindrical spring seat (29) and the intermediate position of left end cap (30) respectively；
The right cylindrical spring seat (14) is by nut check on the straight-line electric arbor (17).
7. moving-magnetic linear compressor according to claim 1, which is characterized in that the motor fixing frame (19,25)
Respectively there are two cylindrical flanges for upper end and lower end, and for connecting with the shock-absorbing support part (12), side is equipped with four groups of boss,
Every group of two boss are parallel to each other, and the spacing of every group of two boss is equal with the cross-sectional width of the outer yoke (22), described outer
After yoke (22) is mounted in the groove of the motor fixing frame (19,25), its position is fixed and is pressed from both sides using boss
Tightly.
8. moving-magnetic linear compressor according to claim 1, which is characterized in that the permanent magnetism body support frame (18) is cylinder
Shape barrier shape, position has the mounting groove for installing the permanent magnet magnetic patch (21) therebetween；The permanent magnet magnetic patch
(21) mounting groove for being arc-shaped, and being articulated on the permanent magnetism body support frame (18).
9. moving-magnetic linear compressor according to claim 1, which is characterized in that the surface of the flat spring (13) processes
There is involute slot, and circumferentially the mode of array is evenly arranged on flat spring (13), the uniformly distributed involute slot makes to compress
Gas offsets each other to the radial force of flat spring (13) to machine during the work time.
10. moving-magnetic linear compressor according to claim 2, which is characterized in that the suction valve chip (9) and exhaust valve
Piece (7) is four column support type structures, and middle position is equipped with mounting hole, rounded with the structure of the air inlet contact position of piston,
For optimizing the cracking pressure of suction valve chip (9) and exhaust valve plate (7)；
The suction valve chip (9) and exhaust valve plate (7) are pressed on the front end of the piston, the cylinder (8) by holding screw
Front end be equipped with gas vent (2), for high pressure gas to be discharged；The exhaust valve plate (7) is tightly attached to the upside of the cylinder (8),
When gas pressure reaches the cracking pressure of exhaust valve plate (7), exhaust valve plate (7) is opened, and passes through the indentation, there of exhaust valve plate (7)
It is exhausted.
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| CN201910319746.1A CN110043443B (en) | 2019-04-19 | 2019-04-19 | Moving-magnet linear compressor |
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| CN201910319746.1A CN110043443B (en) | 2019-04-19 | 2019-04-19 | Moving-magnet linear compressor |
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| CN110043443B CN110043443B (en) | 2020-09-29 |
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| CN111306038A (en) * | 2020-03-23 | 2020-06-19 | 辽宁工程技术大学 | Linear moving-magnet compressor |
| CN112412742A (en) * | 2020-12-01 | 2021-02-26 | 辽宁工程技术大学 | Energy-saving linear compressor |
| CN112483352A (en) * | 2021-01-04 | 2021-03-12 | 辽宁工程技术大学 | Novel double-coil moving-magnet linear compressor |
| CN115182864A (en) * | 2022-06-16 | 2022-10-14 | 华中科技大学 | Integrated direct-drive dynamic negative pressure generating device and assembling method and application thereof |
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|---|---|
| CN110043443B (en) | 2020-09-29 |
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