CN104514701B - A linear compressor - Google Patents
A linear compressor Download PDFInfo
- Publication number
- CN104514701B CN104514701B CN201410155865.5A CN201410155865A CN104514701B CN 104514701 B CN104514701 B CN 104514701B CN 201410155865 A CN201410155865 A CN 201410155865A CN 104514701 B CN104514701 B CN 104514701B
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- China
- Prior art keywords
- suction
- press
- main body
- piston
- bonnet
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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
- 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
-
- 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
- F04B39/0044—Pulsation and noise damping means with vibration damping supports
-
- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/14—Refrigerants with particular properties, e.g. HFC-134a
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2280/00—Materials; Properties thereof
- F05B2280/40—Organic materials
- F05B2280/4011—Organic materials not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model relates to a linear compressor which comprises a casing, a cylinder arranged in the casing, a piston reciprocating in the cylinder, an absorption muffler, an absorption guide device and a rear cover. A refrigerant absorption portion is formed in the casing, the absorption muffler can move with the piston, a refrigerant flow path is formed on the absorption muffler, the absorption guide device is arranged on one side of the piston and is used for guiding a refrigerant absorbed by the absorption portion to the absorption muffler, and the rear cover is combined with the absorption guide device. The rear cover comprises a cover main body and a press portion. An insertion hole for inserting the absorption guide device is formed in the cover main body, the press portion extends from the cover main body, and at least one portion of the absorption guide device is pressed into the press portion in a forced mode.
Description
Technical field
The present invention relates to Linearkompressor.
Background technology
Usual compressor（Compressor）It is to receive the power from the power generation arrangement such as electro-motor or turbine,
The machinery for being compressed to improve pressure to air, cold-producing medium or other various working gas, be widely used in refrigerator,
In the electrical equipment such as air-conditioning or whole industry.
Such compressor is roughly divided into：Reciprocating compressor（Reciprocating compressor）, in piston
（Piston）And cylinder（Cylinder）Between be formed with for sucking, discharging the compression stroke of working gas, make piston in gas
Cylinder interior carries out straight reciprocating motion and carrys out compression refrigerant；Rotary compressor（Rotary compressor）, carrying out bias
The roller of rotation（Roller）Be formed with and cylinder between for sucking, discharging the compression stroke of working gas, roller is made along cylinder
Inwall carries out eccentric rotary and carrys out compression refrigerant；Scroll compressor（Scroll compressor）, in moving scrollwork
（Orbiting scroll）And fixed scroll（Fixed scroll）Between be formed with for sucking, discharging the pressure of working gas
Contracting space, makes the moving scrollwork carry out compression refrigerant along fixed scroll rotation.
Recently, in the reciprocating compressor, many following Linearkompressors are especially developed, i.e. piston with enter
The drive motor of row linear reciprocating motion is directly connected to, from the mechanical loss without causing because of motion conversion, it is possible to increase
The efficiency of compression, and there is simple structure.
Typically, Linearkompressor is constituted in such a way, i.e. in the enclosure interior of closing, piston is by linear motor
And linear reciprocating motion is carried out in cylinder interior, discharge after being compressed so as to suck cold-producing medium.
In the linear motor, permanent magnet is located between inner stator and external stator, and permanent magnet is with by permanent magnet and interior
（Or it is outer）Mutual electromagnetic body between stator is driven carrying out the mode of straight reciprocating motion.And, with the permanent magnetism
Ferrum is driven with the state being connected with piston, and piston carries out linear reciprocating motion in cylinder interior, so as to suck cold-producing medium
Discharge after being compressed.
And, Linearkompressor includes：Acoustic filter（muffler）, its formation make the refrigerant flow path that cold-producing medium passes through come
Reduce noise；Suction tube, guiding cold-producing medium is flowed into by which to the acoustic filter；Bonnet, which is used to support the suction tube.
With regard to such conventional Linearkompressor, the applicant has carried out patent application（Hereinafter, referred to as application in the past）
（Publication number：10-2006-0081291）.
The Linearkompressor of the conventional application includes：Bonnet 22, which is formed with suction tube 20；Acoustic filter 37, which will be logical
The fluid for crossing the suction of suction tube 20 is guided to the internal flow path 81 of piston 30, and reduces noise.
And, the bonnet 22 is combined with second spring 36, and the second spring 36 flexibly supports the bonnet
22, the second spring 36 is located between the bonnet 22 and flange part 34.During the Linearkompressor is driven, because of institute
Vibration of elastic force or linear motor caused by second spring 36 etc. is stated, big load is produced to the bonnet 22.
On the other hand, according to conventional art, the suction tube 20 is connected with the bonnet 22 by fastening member, or
The bonnet 22 is attached to by bonding agent.In this case, there is a problem of as follows, i.e. the suction tube 20 is because from institute
State the load of bonnet 22 and damaged, or separate with the bonnet 22.
And, the suction tube 20 and bonnet 22 are formed by mutually different material, as one, the suction tube 20 by
Light plastic material is formed, and the bonnet 22 is formed by the magnetic of weight, therefore by fastening member connecting the suction
In the case of pipe 20 and bonnet 22, there is a problem of causing 20 breakage of the suction tube because of fastening force.
The content of the invention
Invent problem to be solved
The present invention proposes that in order to solve such problem its object is to offer one kind can make bonnet and suction
The Linearkompressor that guide is securely joined with.
Means for solving the problem
The Linearkompressor of embodiments of the invention includes：Housing：Which is formed with for sucking the sucting of cold-producing medium, gas
Cylinder, which is arranged on the inside of the housing, piston, and which moves back and forth in the inside of the cylinder, suction silencer, its energy
It is enough to move together with the piston, and refrigerant flow path is formed with, suction guide apparatus, which is arranged on the one of the piston
Side, the cold-producing medium sucked by the sucting is guided to the suction silencer, bonnet, itself and the suction guide apparatus
Combine；The bonnet includes：Lid main body, which is formed with for inserting the patchhole of the suction guide apparatus, press-in portion, its
Extend from the lid main body, at least a portion of the suction guide apparatus forces to be pressed in the press-in portion.
The effect of invention
According to such present invention, suction guide apparatus can be forced be pressed in bonnet, therefore with following excellent
Point, i.e. be securely joined with can the bonnet and suction guide apparatus.
Especially, according to the degree for forcing press-in, deform on the suction guide apparatus, the bonnet and suction are drawn
Lead device to be engaged naturally, therefore, it is possible to be securely joined with the bonnet and suction guide apparatus.
And, the side of the suction guide apparatus is supported by stop section, and opposite side is occurred to become in process of press in
The holding section of shape supports, therefore, it is possible to prevent suction guide apparatus phenomenon detached with the bonnet.
Further, since the bonnet and suction guide apparatus are securely joined with, therefore, it is possible to prevent following phenomenon, i.e.
During Linearkompressor is driven, the bonnet and suction guide apparatus loosen and mutually produce friction, thus cause institute
State suction guide apparatus damaged.
Description of the drawings
Fig. 1 is the sectional view of the internal structure of the Linearkompressor for illustrating embodiments of the invention.
Fig. 2 is the axonometric chart of the structure of the rear case component for illustrating embodiments of the invention.
Fig. 3 is the exploded view of the bonnet and suction guide apparatus of embodiments of the invention.
Fig. 4 is the figure of the appearance for illustrating that the bonnet and suction guide apparatus of embodiments of the invention combine.
Fig. 5 is the sectional view of the I-I' line cuttings along Fig. 4.
Fig. 6 is the sectional view for amplifying Fig. 5 " A " parts.
Fig. 7 is to illustrate the suction silencer and suction guiding dress when the piston of embodiments of the invention is in first position
The sectional view of the relative position put.
Fig. 8 is to illustrate the suction silencer and suction guiding dress when the piston of embodiments of the invention is in the second position
The sectional view of the relative position put.
Wherein, description of reference numerals is as follows：
10：Linearkompressor
100：Housing
110：Framework
120：Cylinder
130：Piston
135：Support
138：Connecting elements
151、155：First spring, second spring
200：Motor sub-assembly
230：Permanent magnet
240：Stator cover
270：Suction silencer
300：Rear case component
400：Bonnet
410：Lid main body
414：Joint portion
420：Spring supporting portion
430：Press-in portion
435：Interference part
500：Suction guide apparatus
503：Stop section
510：Prominent guide portion
520：Press-in correspondence portion
522：Holding section
530：Flow guides
Specific embodiment
Below, referring to the drawings, illustrate the specific embodiment of the present invention.But, the thought of the present invention is not limited to carry
The embodiment for going out, understands that those skilled in the art of the thought of the present invention can be easily carried in the range of identical thought
Go out other embodiments.
Fig. 1 is the sectional view of the internal structure of the Linearkompressor for illustrating embodiments of the invention.
With reference to Fig. 1, the Linearkompressor 10 of embodiments of the invention includes：Cylinder 120, which is arranged on the interior of housing 100
Portion；Piston 130, which carries out linear reciprocating motion in the inside of the cylinder 120；Motor sub-assembly 200, which is to the piston 130
Give driving force.The housing 100 is combined into by upper body and lower case.The motor sub-assembly 200 can claim
For " linear motor "
The cylinder 120 can be by the aluminum as nonmagnetic material（Aluminum or aluminium alloy）Formed.
By forming the cylinder 120 by aluminum, the magnetic flux transmission being prevented from produced by the motor sub-assembly 200
To the phenomenon of the cylinder 120 External leakage to the cylinder 120.And, can be formed by extruded rod processing method
The cylinder 120.
The piston 130 can be by the aluminum as nonmagnetic material（Aluminum or aluminium alloy）Formed.By by aluminum shape
Into the piston 130, it is prevented from the magnetic flux produced by motor sub-assembly 200 and is transferred to the piston 130 and to the piston
The phenomenon of 130 External leakage.And, the piston 130 can be formed by forging method.
And, it is that species and composition ratio can be identical that the cylinder 120 constitutes ratio with the material of piston 130.The piston
130 and cylinder 120 by identical material（Aluminum）Formed, thus thermal coefficient of expansion is mutually identical.In the operation of Linearkompressor 10
Period, it is internally formed high temperature in the housing 100（Substantially 100 DEG C）Environment, and due to the piston 130 and cylinder 120
Thermal coefficient of expansion it is identical, therefore there is the thermal deformation of identical amount in the piston 130 and cylinder 120.
As a result, it is possible to prevent piston 130 and cylinder 120 with mutually different size or heat change occurs to different directions
Shape and phenomenon that piston 130 is interfered with the cylinder 120 during motion.
The housing 100 includes：Sucting 101, which is used to flow into cold-producing medium；Discharge unit 105, which is used to discharge in institute
State the cold-producing medium of the internal compression of cylinder 120.By the sucting 101 suck cold-producing medium via suction silencer 270 to
The internal flow of the piston 130.In cold-producing medium during the suction silencer 270, can reduce with various
The noise of frequency.
In the compression stroke P being internally formed by the piston 130 come compression refrigerant of the cylinder 120.And,
The inlet hole 131a for making cold-producing medium flow into the compression stroke P is formed with the piston 130, and in the suction
The side of hole 131a is provided with for optionally opening the inlet valve 132 of the inlet hole 131a.
The side of the compression stroke P is provided with discharge valve assembly 170,172,174, the discharge valve assembly 170,172,
174 are used to discharge the cold-producing medium compressed in the compression stroke P.That is, described compression stroke P can be understood as being formed in described
One side end and discharge valve assembly 170 of piston 130, the space between 172,174.
The discharge valve assembly 170,172,174 includes：Discharge cap 172, which forms the discharge space of cold-producing medium；Dump valve
170, when the pressure of the compression stroke P is more than discharge pressure, the dump valve 170 opens described flow in cold-producing medium
Discharge space；Valve spring 174, which is arranged between the dump valve 170 and discharge cap 172, gives elastic force in axial direction.
This, " direction of principal axis " is it is to be understood that the direction that moves back and forth of the piston 130, i.e. horizontal in Fig. 1.
The inlet valve 132 is formed in the side of the compression stroke P, and it is empty that the dump valve 170 is formed in the compression
Between P opposite side, i.e. the dump valve 170 is arranged on the side contrary with 132 side of the inlet valve.
It is during the piston 130 carries out linear reciprocating motion in the inside of the cylinder 120, empty in the compression
Between P pressure ratio described in discharge pressure it is low and during for below suction pressure, the inlet valve 132 is opened, so as to cold-producing medium is inhaled
Enter to the compression stroke P.On the other hand, when the pressure of the compression stroke P is more than the suction pressure, closing institute
In the state of stating inlet valve 132, the cold-producing medium of the compression stroke P is compressed.
On the other hand, when the pressure of the compression stroke P is more than the discharge pressure, the valve spring 174 occurs
Deform to open the dump valve 170, so that cold-producing medium is discharged from the compression stroke P and to the discharge of discharge cap 172
Discharge in space.
And, the cold-producing medium in the discharge space flows in circulation pipe 178 via the discharge acoustic filter 176.The row
Go out the hydrodynamic noise of the cold-producing medium that acoustic filter 176 can reduce being compressed, the cold-producing medium for being compressed is guided by the circulation pipe 178
To the discharge unit 105.The circulation pipe 178 is combined with the discharge acoustic filter 176, and is extended deviously, and with it is described
Discharge unit 105 is combined.
The Linearkompressor 10 also includes framework 110.The framework 110 is the structure for fixing the cylinder 120,
The framework 110 is formed as one with the cylinder 120 or by other fastening member being combined together.And, institute
State discharge cap 172 and discharge acoustic filter 176 and can combine with the framework 110.
The motor sub-assembly 200 includes：External stator 210, which is fixed on the framework 110, and surrounds the cylinder
120；Inner stator 220, which is configured in the inner side of the external stator 210, and separates with the external stator 210；Permanent magnet 230,
Which is located in the space between the external stator 210 and inner stator 220.
The permanent magnet 230 can enter by the mutual electromagnetic force between the external stator 210 and inner stator 220
Row straight reciprocating motion.Also, the permanent magnet 230 can be formed by the single Magnet with a pole, or by with 3 poles
Multiple Magnet be combined into.
And, the permanent magnet 230 can be formed by the Ferrite Material of relative moderate.
The permanent magnet 230 can be combined with the piston 130 by connecting elements 138.The connecting elements 138 can be from
One side end of the piston 130 extends towards the permanent magnet 130.It is as the permanent magnet 230 is moved linearly, described
Piston 130 can carry out straight reciprocating motion together with the permanent magnet 230 in axial direction.
The external stator 210 includes coil around body 213,215 and stator core 211.
The coil includes bobbin around body（bobbin）213 and on the circumferencial direction of the bobbin 213 wind
Coil 215.The section of the coil 215 can be in polygonal shape, as one, can be with hexagonal shape.
The stator core 211 is multiple thin plates（lamination）It is laminated in a circumferential direction, and it is described fixed
Sub- magnetic core 211 surrounds the coil around body.
When electric current is applied to the motor sub-assembly 200, the streaming current in the coil 215, as flowing is described
The electric current of coil 215, forms magnetic flux in 215 periphery of the coil（flux）, the magnetic flux is along the external stator 210 and interior
Stator 220 forms closed-loop path to flow.
The magnetic flux flowed along the external stator 210 and inner stator 220 and the magnetic flux of the permanent magnet 230 mutually occur to make
With so as to produce the power for moving the permanent magnet 230.
The side of the external stator 210 is provided with stator cover 240.One side end of the external stator 210 can be described
Framework 110 is supported, and end side can be supported by the stator cover 240.The stator cover 240 can be referred to as " motor cover ".
The inner stator 220 is fixed on the periphery of the cylinder 120.And, the inner stator 220 is that multiple thin plates exist
What the outside of the cylinder 120 was circumferentially laminated.
The Linearkompressor 10 also includes：Support 135, which is used to support the piston 130；Bonnet 400, which is arranged on
The front of the support 135, and combine with the stator cover 240.
The support 135 is combined with the outside of the connecting elements 138.And, the bonnet 400 covers the suction
At least a portion of acoustic filter 270.
The Linearkompressor 10 also includes the suction guide apparatus 500 combined with the bonnet 400.The suction is drawn
Device 500 is led it is to be understood that the cold-producing medium sucked by the sucting 101 is guided to the suction silencer 270
Device.
The suction guide apparatus 500 are combined with the bonnet 400 and are rearward extended, in the piston 130 and
During suction silencer 270 carries out linear reciprocating motion, the suction guide apparatus 500 can be close to the suction and eliminate the noise
Device 270 or away from the suction silencer 270（With reference to 7,8）.
The Linearkompressor 10 includes the multiple springs as elastic component, and each intrinsic vibration number of multiple springs is adjusted
Section, so that the piston 130 can carry out resonance motion.
The plurality of spring includes：First spring 151, which is supported between the support 135 and stator cover 240；Second
Spring 155, which is supported between the support 135 and bonnet 400.The elasticity of first spring 151 and second spring 155
Coefficient can be identical.
First spring 151 can be provided with the upside and downside of the cylinder 120 or piston 130 it is multiple,
The second spring 155 can be provided with multiple in the front of the cylinder 120 or piston 130.
Here, " front " is it is to be understood that from the piston 130 towards the direction of the sucting 101.That is, from
The sucting 101 can be understood as " rear " towards the direction of the discharge valve assembly 170,172,174.That is, will can freeze
The flow direction of agent is come in front of regulation as benchmark（Or upstream）And rear（Or downstream）.
Also, radial direction it is to be understood that with the front and the direction of rear vertical.These terms are following
Also equally can use in explanation.
The housing 100 inner bottom surface can store predetermined oil.And, can arrange in the bottom of the housing 100
For aspirating the fueller 160 of oil.The fueller 160 by carrying out linear reciprocating motion with the piston 130 and
The vibration of generation carrys out work, thus aspirates oil upward.
The Linearkompressor 10 also includes fuel feed pump 165, and the fuel feed pump 165 guides oily stream from the fueller 160
It is dynamic.The fuel feed pump 165 can extend to the space between the cylinder 120 and piston 130 from the fueller 160.
Supply to the cylinder 120 and piston 130 from the oil of the suction of the fueller 160 via the fuel feed pump 165
Between space, so as to perform cooling and lubricate effect.
Fig. 2 is the axonometric chart of the structure of the rear case component for illustrating embodiments of the invention, and Fig. 3 is embodiments of the invention
The exploded view of bonnet and suction guide apparatus, Fig. 4 are that the bonnet and suction guide apparatus for illustrating embodiments of the invention combines
Appearance figure.
With reference to Fig. 2 to Fig. 4, the rear case component 300 of embodiments of the invention includes bonnet 400 and suction guide apparatus
500。
The suction guide apparatus 500 can be formed by the mixed materials of plastic material and glass fibre.It is as one, described
Plastic material includes PBT resin（Polybutylene Terephtalate resin）.And, the bonnet 400 can be by conduct
The metal material of magnetic is formed.
The bonnet 400 includes：Lid main body 410, the suction guide apparatus 500 insert the lid main body 410；Extension
412, which rearward extends from the both sides of the lid main body 410；Joint portion 414, its from the extension 412 to radial direction outside
Side extends, and combines with the stator cover 240.
The connecting hole 416 of at least more than one is formed with the joint portion 414, is connected with the stator cover 240
Fastening member（It is not shown）The insertion connecting hole 416.
It is provided with the lid main body 410 for supporting multiple spring supporting portions 420 of the second spring 155.It is described
Spring supporting portion 420 is projected from the lid main body 410 towards rear, as one, with can be with the one of the second spring 155
The mode that side end combines is in coniform shape.
The bonnet 400 includes from the lid main body 410 press-in portion 430 projected towards front.The press-in portion 430 is in
The drum of general hollow, is internally formed with for inserting the insertion space 432 of the suction guide apparatus 500.
The suction guide apparatus 500 include：Guide main body 501, which is in hollow substantially cylindrical shape；Prominent guide portion
510, which is projected from the guide main body 501 towards front, for by the cold-producing medium sucked by the sucting 101 guide to
The suction silencer 270；Stop section 503（stopper）, which projects specific length from the outer peripheral face of the guide main body 501.
Cylindrical shape of the prominent guide portion 510 in general hollow, the prominent guide portion 510 is being close to the suction
The mode for entering portion 101 is arranged, and the cold-producing medium sucked by the sucting 101 is guided to the prominent guide portion 510
Portion space.The prominent guide portion 510 extends from the guide main body 501 towards 101 direction of the sucting, and can hold
Put cold-producing medium.
The prominent guide portion 510 is combined with the front face 513 for being formed with ostium 515.The front face 513 is from institute
The rearward end for stating prominent guide portion 510 extends to inner sides of radius direction, and in substantially disc-shape.And, the ostium
515 is the central part region of front face 513 described in insertion in the longitudinal direction.
The cold-producing medium sucked by the sucting 101 is directed to the inner space of the prominent guide portion 510, and Jing
The ostium 515 is crossed, is rearward flowed towards the suction silencer 270.Now, the diameter of the ostium 515 is less than
The diameter of the prominent guide portion 510, therefore when cold-producing medium flows from the ostium 515 to the prominent guide portion 510,
The flow velocity of cold-producing medium is uprised.
By the length direction of the guide main body 501（Fore-and-aft direction）Used as benchmark, the stop section 503 is arranged on substantially
Central part, and surround the outer peripheral face of the guide main body 501.Mutually tie with the bonnet 400 in the suction guide apparatus 500
During conjunction, the stop section 503 can limit the insert the distance of the suction guide apparatus 500.
The suction guide apparatus 500 are forced to be pressed in the bonnet 400, so that the suction guide apparatus 500
Combine with the bonnet 400.
In detail, the suction guide apparatus 500 include：Press-in correspondence portion 520, which is inserted in the press-in portion 430
And pressed by the press-in portion 430；Variant part 525, which is linearly extended in the way of cutting away the press-in correspondence portion and forms,
The press-in correspondence portion 520 is inserted in the press-in portion 430 come, during deforming, the variant part 525 is able to ensure that change
Shape space.
Distance ratio from the central part of the guide main body 501 of cylindrical shape to the variant part 525 is from cylinder
Distance of the central part of the guide main body 501 of shape to the press-in correspondence portion 520 is short.Therefore, the variant part 525 can
To be interpreted as, the part not pressed by the press-in portion 430.
The press-in correspondence portion 520 is formed in the front part of the guide main body 501, and the radius of curvature with regulation.
It is to be understood that the press-in correspondence portion 520 constitutes at least a portion of the guide main body 501.And, the variant part
525 be provided with the way of mutually separating it is multiple.
The variant part 525 is arranged between press-in correspondence portion 520, and is linearly extended with facing shape directly.The change
Shape portion 525 is it is to be understood that by the outer peripheral face of the guide main body 501 linearly cutting definite part.And, it is described
Variant part 525 is provided with multiple, and the two ends of the variant part 525 are combined with the press-in corresponding portion 520 respectively.
The guide main body 501 also includes holding section 522, and the holding section 522 is prolonged forwards from the press-in correspondence portion 520
Stretch, and fasten with the outside of the press-in portion 430.The holding section 522 may be provided at the end of the guide main body 501
Side.
I.e., it is possible to be interpreted as, the press-in correspondence portion 520 is, in the suction guide apparatus 500 and the bonnet 400
It is inserted in the part of the press-in portion 430 when combining, and the holding section 522 is the suction guide apparatus 500 to institute
State the part protruding outside of press-in portion 430.
With reference to Fig. 3 and Fig. 4, for the combination of the suction guide apparatus 500 and bonnet 400 is carried out briefly
It is bright.
The suction guide apparatus 500 are moved from front of the rear direction of the lid main body 410, so that the prominent guiding
Portion 510 is inserted in the inside of the press-in portion 430.
Internal diameter of the external diameter of the prominent guide portion 510 less than the press-in portion 430, therefore the prominent guide portion 510
Can move by the press-in portion 430 and to the front of the press-in portion 430.
The external diameter of the guide main body 501 is slightly smaller than the internal diameter of the press-in portion 430.Therefore, the guide main body 501
During the press-in portion 430 is inserted in, interfere with the press-in portion 430, more than prescribed level can be applied
Power is filled in the guide main body 501 hard（Force press-in）In the press-in portion 430.
In detail, the press-in correspondence portion 520 can occur to become during the inside by the press-in portion 430
Shape, i.e. can deform to the direction of size reduction, the variant part 525 are guaranteed for occurring the press-in correspondence portion 520
The spare space of deformation.
The suction guide apparatus 500 can be moved to till the stop section 503 interfered by the bonnet 400.Institute
When stating stop section 503 and being interfered by the bonnet 400, limit the suction guide apparatus 500 and be further inserted into.
When being completely combined between the suction guide apparatus 500 and bonnet 400, the press-in correspondence portion 520 is with deformation
State be located at the press-in portion 430 inner side.And, the holding section 522 is protruding outside to the press-in portion 430, and
And fasten with the end of the press-in portion 430.
Below, for the pressing structure of suction guide apparatus 500 and bonnet 400 is described in detail.
Fig. 5 is the sectional view of the I-I' line cuttings along Fig. 4, and Fig. 6 is the sectional view for amplifying Fig. 5 " A " parts.
With reference to Fig. 5 and Fig. 6, the guide main body 501 of the suction guide apparatus 500 of embodiments of the invention is inserted in bonnet
In 400 patchhole 405.The press-in portion 430 of the bonnet 400 extends forwards from the patchhole 405.
The suction guide apparatus 500 include being pressed into correspondence portion 520, and the press-in correspondence portion 520 will be arranged at the press-in
The inner side in portion 430, and pressed by the press-in portion 430.The press-in correspondence portion 520 is forced by the patchhole 405
It is pressed in the inside of the press-in portion 430, it is thus possible to deform.
Now, for the deformation in the press-in correspondence portion 520, send out to the inner radial direction of the guide main body 501
The deflection of raw t1.
The guide main body 501 includes holding section 522, before the holding section 522 is formed in the press-in correspondence portion 520
Side, and fasten with the end of the press-in portion 430.The holding section 522 is formed in the outer peripheral face of the guide main body 501
In the region corresponding with the thickness W1 of the front face 513.
It is pressed into during the press-in portion 430 in the guide main body 501, the holding section 522 is by the press-in
Portion 430 presses and deforms, but in the state of to the movement of the front of the press-in portion 430, because recuperability is in half
The shape that footpath direction projects.
The end of guide main body 501 of the holding section 522 is formed with the radial direction by the front face 513
Support, therefore the intensity of the end of guide main body 501 is high.On the other hand, it is formed with the guide main body in the press-in correspondence portion 520
501 part is supported by the thickness of itself of the guide main body 501, therefore low intensity.
Therefore, it is fully-inserted in the state of the press-in portion 430 in the guide main body 501, the press-in correspondence portion
520 internally radial direction deform t1, the holding section 522 deforms t2 to outside radial direction, so as to it is described
Press-in portion 430 fastens.
The t1 is interpreted as, relative to the virtual line that the outer peripheral face by the guide main body 501 extends（l1）, the pressure
Enter the distance that correspondence portion 520 is pressed.And, the t2 is interpreted as, relative to the virtual line（l1）, the holding section
522 distances restored to outside radial direction.
And, the stop section 503 can be fastened with the interference part 435 of lid main body 410.Here, the interference part 435 can
It is interpreted as, is formed in a part for the lid main body 410 of the outer edge side of the patchhole 405.
In sum, the press-in correspondence portion 520 is provided in the back side 513a of the front face 513 and the stop section
A part for guide main body 501 between 503, the length of fore-and-aft direction is C1.
According to such structure, holding section 522 and stop section 503 and the press-in portion 430 of the guide main body 501
Two ends fasten, therefore have the advantages that to make the suction guide apparatus 500 be combined with the bonnet 400 securely.
It is additionally, since the suction guide apparatus 500 to combine with the bonnet 400 securely, therefore, it is possible to anti-
Only following phenomenon, i.e. during linear compressor operating, the suction guide apparatus 500 are separated with the bonnet 400,
Or the suction guide apparatus 500 are interfered by the bonnet 400 and damaged.
On the other hand, the suction guide apparatus 500 also include flow guides 530, and the flow guides 530 are from described
Ostium 515 rearward extends towards the suction silencer 270.The flow guides 530 be internally formed for
The refrigerant flow path 535 for making cold-producing medium flow.
Below, for cold-producing medium is illustrated in Linearkompressor internal flow.
Fig. 7 is to illustrate the suction silencer and suction guiding dress when the piston of embodiments of the invention is in first position
The sectional view of the relative position put, Fig. 8 are to illustrate that the suction when the piston of embodiments of the invention is in the second position is eliminated the noise
The sectional view of the relative position of device and suction guide apparatus.
Fig. 7 illustrates the sample inside the compressor 10 when the piston 130 of embodiments of the invention is in first position
Son.Here, " first position " is interpreted as, the lower dead center of the piston 130（Bottom Dead Center, BDC）.
The permanent magnet 230 is made to a direction driving the motor sub-assembly 200（The left direction of Fig. 7 is front
Side）When mobile, the piston 130 combined with the permanent magnet 230 is moved to one direction.And, with the permanent magnet
230 suction silencers 270 for combining also are moved to one direction.
As the permanent magnet 230 is moved, the compression stroke P expands and produces pressure P1.Now, pressure P1 is less than system
The suction pressure of cryogen.Therefore, cold-producing medium can be through the suction silencer 270 and by open inlet valve 132 come quilt
It is sucked into the compression stroke P.
The suction silencer 270 includes：Muffler body 271, which is placed in the suction in the way of it can move
The inner side of guide 500；Main body insertion section 273, which is combined with the inside of the muffler body 271, and cold-producing medium
Flowing path section area change；Piston insertion section 275, which is combined with the muffler body 271, and to the work
The inside of plug 130 extends.
And, the piston insertion section 275 includes sucking guide portion 276, and the piston is inserted by the suction guide portion 276
The cold-producing medium discharged by portion 275 is guided to the inlet hole 131a sides.
In detail, as the permanent magnet 230 is moved forwards, the suction silencer 270 is moved forwards.
As the suction silencer 270 is moved forwards, the flow guides 530 are incorporated in muffler body
271 inside.As the flow guides 530 are introduced into, the end and main body insertion section 273 of the flow guides 530
First inlet hole 274 be located at approximating position.
Therefore, the cold-producing medium for being flowed into by the flow guides 530 can be by the first inlet hole 274 easily
Flow to the main body insertion section 273, the stream therefore, it is possible to reduce cold-producing medium loses, therefore, it is possible to improve compression efficiency.
And, the cold-producing medium for flowing in the main body insertion section 273 is flowed in the inner space of the piston insertion section 275
It is dynamic, and it is sucked into the inlet hole 131a.
On the other hand, at least a portion cold-producing medium in the cold-producing medium discharged by the piston insertion section 275 is stored in
In the memory space formed in the suction guide portion 276 such that it is able to prevent the front stream to the suction guide portion 276
It is dynamic.
Fig. 8 illustrates the sample inside the compressor 10 when the piston 130 of embodiments of the invention is in the second position
Son.Here, " second position " is interpreted as, the top dead centre of the piston 130（TopDead Center, TDC）.
In the state of Fig. 6, when to the compression stroke P suck cold-producing medium release when, the permanent magnet 230 to
Other direction（The right direction of Fig. 7 or rear）It is mobile, therefore the piston 130 and suction silencer 270 are also rearward
It is mobile.In this process, the cold-producing medium of 130 pairs, the piston compression stroke P is compressed, the main body insertion section 273
First inlet hole 274 away from the flow guides 530.
When the refrigerant pressure of the compression stroke P is more than discharge pressure, the dump valve 170 is opened, refrigeration
Agent is by open dump valve 170 to the inner space flowing for discharging acoustic filter 176.The discharge acoustic filter 176 can
The hydrodynamic noise of low-compression cold-producing medium drops.
And, cold-producing medium is flowed in circulation pipe 178 through the discharge acoustic filter 176, and is directed to the discharge
Portion 105.
Also, in the above-described embodiments, although illustrate that above-mentioned press-in portion 430 is projected forwards from above-mentioned lid main body 410
Situation, but, above-mentioned press-in portion 430 can also be rearward projected from above-mentioned lid main body 410.
Claims (13)
1. a kind of Linearkompressor, it is characterised in that
Including：
Housing：Which is formed with for sucking the sucting of cold-producing medium,
Cylinder, which is arranged on the inside of the housing,
Piston, which moves back and forth in the inside of the cylinder,
Suction silencer, which can be moved together with the piston, and is formed with refrigerant flow path,
Suction guide apparatus, which is arranged on the side of the piston, and the cold-producing medium sucked by the sucting is guided to institute
State suction silencer,
Bonnet, which is combined with the suction guide apparatus；
The bonnet includes：
Lid main body, which is formed with for inserting the patchhole of the suction guide apparatus, and
Press-in portion, which extends from the lid main body towards the direction of the sucting, and forces to be pressed into the suction guide apparatus；
The suction guide apparatus include：
The guide main body of drum,
Press-in correspondence portion, forms at least a portion in the outer peripheral face of the guide main body, and is pressed by the press-in portion,
Holding section, is extended towards the direction for being formed with the sucting from the press-in correspondence portion, and is mutually blocked with the press-in portion
Close.
2. Linearkompressor according to claim 1, it is characterised in that
In the state of the suction guide apparatus and the bonnet combine, the holding section from the end of the press-in portion to
The side for being formed with the sucting projects.
3. Linearkompressor according to claim 1, it is characterised in that
The suction guide apparatus also include stop section, and the stop section is arranged on the outer peripheral face of the guide main body, for limiting
Make the distance that the guide main body is inserted by the patchhole.
4. Linearkompressor according to claim 3, it is characterised in that
The press-in correspondence portion is formed in the area between the holding section and the stop section in the outer peripheral face of the guide main body
In domain.
5. Linearkompressor according to claim 1, it is characterised in that
In the state of the suction guide apparatus and the bonnet combine,
Relative to the virtual line that the outer peripheral face by the guide main body extends,
The press-in inner radial Direction distortion of the correspondence portion to the guide main body,
The holding section extends to the outer radius direction of the guide main body.
6. Linearkompressor according to claim 1, it is characterised in that
The press-in correspondence portion is formed with the curved surface of bending.
7. Linearkompressor according to claim 1, it is characterised in that
The guide main body also includes the variant part linearly extended in the way of cutting away the press-in correspondence portion, described
When press-in correspondence portion is pressed by the press-in portion, the variant part provides the space for making the press-in correspondence portion deform.
8. Linearkompressor according to claim 7, it is characterised in that
The variant part mutually separates multiple to be provided with.
9. Linearkompressor according to claim 1, it is characterised in that
The suction guide apparatus also include：
Prominent guide portion, which extends from the guide main body to the sucting direction, is inhaled by the sucting for accommodating
The cold-producing medium for entering；
Front face, which is combined with the prominent guide portion, and being formed with makes what is passed through by the cold-producing medium of the prominent guide portion
Ostium；
Diameter of the diameter of the ostium less than the prominent guide portion.
10. Linearkompressor according to claim 9, it is characterised in that
The suction guide apparatus also include flow guides, and the flow guides are eliminated the noise from the ostium towards the suction
Device extends, and has been internally formed refrigerant flow path in the flow guides,
During the piston and suction silencer move back and forth, the flow guides are close to the suction and eliminate the noise
Device or away from the suction silencer.
11. Linearkompressors according to claim 1, it is characterised in that
Also include：
Linear motor, which provides power to the piston,
Motor cover, which is supported on the side of the linear motor；
The bonnet is combined with the motor cover.
12. Linearkompressors according to claim 11, it is characterised in that
Including：
Support, which is combined with the side of the piston, is moved together with the piston；
Spring, which is combined with the support, bonnet between the support and bonnet, for providing recuperability.
13. Linearkompressors according to claim 1, it is characterised in that
The suction guide apparatus are mixed by PBT resin and glass fibre.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0118463 | 2013-10-04 | ||
| KR1020130118463A KR102067096B1 (en) | 2013-10-04 | 2013-10-04 | A linear compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104514701A CN104514701A (en) | 2015-04-15 |
| CN104514701B true CN104514701B (en) | 2017-05-03 |
Family
ID=51513529
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410155865.5A Active CN104514701B (en) | 2013-10-04 | 2014-04-17 | A linear compressor |
| CN201420188861.2U Expired - Lifetime CN203835681U (en) | 2013-10-04 | 2014-04-17 | Linear compressor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420188861.2U Expired - Lifetime CN203835681U (en) | 2013-10-04 | 2014-04-17 | Linear compressor |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR102067096B1 (en) |
| CN (2) | CN104514701B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102067096B1 (en) * | 2013-10-04 | 2020-01-16 | 엘지전자 주식회사 | A linear compressor |
| CN104454469B (en) * | 2014-12-08 | 2016-07-06 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of assembling apparatus and method of linear compressor moving parts |
| KR102300205B1 (en) * | 2015-05-21 | 2021-09-10 | 엘지전자 주식회사 | A linear compressor |
| KR102438572B1 (en) | 2020-12-30 | 2022-09-01 | 엘지전자 주식회사 | linear compressor |
| KR102689956B1 (en) * | 2022-09-30 | 2024-07-31 | 엘지전자 주식회사 | Linear compressor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3662813B2 (en) * | 1999-08-19 | 2005-06-22 | エルジー電子株式会社 | Linear compressor |
| KR100613516B1 (en) * | 2004-11-03 | 2006-08-17 | 엘지전자 주식회사 | Linear compressor |
| KR100624819B1 (en) * | 2004-11-05 | 2006-09-18 | 엘지전자 주식회사 | Back cover of linear compressor, plate for its manufacture and manufacturing method thereof |
| KR20070075900A (en) * | 2006-01-16 | 2007-07-24 | 엘지전자 주식회사 | Suction meter muffler of linear compressor |
| KR101334487B1 (en) * | 2007-10-24 | 2013-11-29 | 엘지전자 주식회사 | Linear compressor |
| KR20090041652A (en) * | 2007-10-24 | 2009-04-29 | 엘지전자 주식회사 | Suction Muffler of Linear Compressor |
| KR102067096B1 (en) * | 2013-10-04 | 2020-01-16 | 엘지전자 주식회사 | A linear compressor |
-
2013
- 2013-10-04 KR KR1020130118463A patent/KR102067096B1/en active IP Right Grant
-
2014
- 2014-04-17 CN CN201410155865.5A patent/CN104514701B/en active Active
- 2014-04-17 CN CN201420188861.2U patent/CN203835681U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR102067096B1 (en) | 2020-01-16 |
| KR20150039991A (en) | 2015-04-14 |
| CN203835681U (en) | 2014-09-17 |
| CN104514701A (en) | 2015-04-15 |
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