CN105971847B - A kind of reciprocating linear compressor with inside exhaust pipe - Google Patents
A kind of reciprocating linear compressor with inside exhaust pipe Download PDFInfo
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- CN105971847B CN105971847B CN201610429267.1A CN201610429267A CN105971847B CN 105971847 B CN105971847 B CN 105971847B CN 201610429267 A CN201610429267 A CN 201610429267A CN 105971847 B CN105971847 B CN 105971847B
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- inside exhaust
- linear compressor
- reciprocating linear
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- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 30
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- 239000007789 gas Substances 0.000 description 30
- 238000007906 compression Methods 0.000 description 16
- 230000006835 compression Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 9
- 238000013016 damping Methods 0.000 description 8
- 230000000740 bleeding effect Effects 0.000 description 7
- 230000030279 gene silencing Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
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- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
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- 241000192308 Agrostis hyemalis Species 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
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- 244000239634 longleaf box Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000005474 detonation Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
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- 230000002349 favourable effect Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
-
- 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
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The present invention provides a kind of reciprocating linear compressor with inside exhaust pipe, it includes housing (1), and it is arranged at the cylinder (4) and exhaust valve component (2) of the enclosure interior, the air release valve hole for discharging its internal gas is wherein provided with the exhaust valve component (2), the steam vent for discharging its internal gas is provided with the housing (1), the inside exhaust pipe (3) for connecting the two is additionally provided between the steam vent and the air release valve hole, and any position on the inside exhaust pipe (3) along the direction with the compressor rotation shaft axis perpendicular formed with least one at approximate " u "-shaped bend (31).The technical problem of broken by vibration is easily occurred because of the vibration of compressor by the inside exhaust pipe of the invention that can effectively solve the problem that inside compressor, the characteristics of making full use of linear compressor to vibrate is designed, and the situation of inside exhaust pipe fracture will not also occur under the big stroke effect of vibration of linear compressor.
Description
Technical field
The invention belongs to air-conditioning technical field, and in particular to a kind of reciprocating linear compressor with inside exhaust pipe.
Background technology
It is used for the reciprocating compressor of refrigerator and air-conditioning in the market comprising the main composition portion such as cylinder, piston and motor
Point, piston does linear reciprocating motion under electric rotating machine or linear electric motors driving force effect, promotes air work in discharge chambe, will
The gas compression of low-temp low-pressure completes whole refrigeration system into high temperature and high pressure gas, final condensed device, capillary and evaporator
Circulation.
Reciprocating linear compressor is driven using linear electric motors, and piston does linear reciprocating motion and overcomes gas pressure in the cylinder
Power and frictional resistance acting.Reciprocating linear compressor requires that body has certain vibration in the process of running, to ensure oil pump
It can work, so as to meet the needs of reciprocating linear compressor is to pump oil.Generally, the load of reciprocating linear compressor is bigger, machine
Body vibration is bigger.
In reciprocating linear compressor, usual inside exhaust pipe is longer, and one end of inside exhaust pipe is connected with the exhaust valve cap of cylinder,
The other end of inside exhaust pipe is connected with the exhaust outlet of housing, realizes exhaust.In the process of running, body shakes reciprocating linear compressor
It is dynamic to be relatively easily caused inside exhaust pipe fracture, influence reciprocating linear compressor normal work.
A kind of helical form inside exhaust pipe (Fig. 1), the spiral shell are disclosed in patent No. CN200510083247.5 patent accompanying drawing
Although certain cushioning effect can be played by revolving vibration of the shape inside exhaust pipe to compressor block, in use when negative
Right-angle folding crook stress concentration is serious when carrying bigger, especially when in pipe gas frequency it is suitable or close with pipeline intrinsic frequency
Air column resonance occurs for Shi Jiyi, and now pipeline is easy to fracture so as to cause compressor failure.In addition, compressor is larger in load
Operating mode operation when vibration it is big, in industry it is general all with Bundy tube to ensure the reliability of pipeline.Because Bundy tube hardness is high, folding
It is curved relatively difficult, and material is somewhat expensive, cost is high.
In summary, the probability that inside exhaust pipe is broken by body vibration how is reduced, to reduce to reciprocating linear compressor
The influence of normal work, it is current those skilled in the art's urgent problem to be solved.
Broken by vibration easily occurs because of body vibration because straight reciprocating compressor of the prior art has inside exhaust pipe
Technical problem, therefore research and design of the present invention goes out a kind of reciprocating linear compressor with inside exhaust pipe.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome straight reciprocating compressor of the prior art interior row to be present
The defects of easily because of body vibration broken by vibration occurs for tracheae, so as to provide a kind of new reciprocating linear pressure with inside exhaust pipe
Contracting machine.
The present invention provides a kind of reciprocating linear compressor with inside exhaust pipe, and it includes housing and is arranged at the housing
Internal cylinder and exhaust valve component, wherein being provided with the air bleeding valve for discharging its internal gas on the exhaust valve component
The steam vent for discharging its internal gas is provided with hole, the housing, between the steam vent and the air release valve hole
Be additionally provided with the inside exhaust pipe for connecting the two, and any position on the inside exhaust pipe along with the compression
The perpendicular direction of machine shaft axis is bent formed with the approximate " u "-shaped at least one.
Preferably, the approximate " u "-shaped is bent to the vertical direction in compressor rotation shaft axis into 180 ° of big bent
Shape.
Preferably, the approximate " u "-shaped, which is bent, includes 4 approximately equalised bent angles of angular dimension, respectively the first bent angle,
Second bent angle, the 3rd bent angle and the 4th bent angle.
Preferably, the bending angle size of the first, second, third and fourth bent angle 80 ° -120 ° scope it
Between.
Preferably, the approximate " u "-shaped is bent to form position at arbitrary one on the inside exhaust pipe；It is or described
Approximate " u "-shaped is bent to form position different at any two on the inside exhaust pipe, including the first approximate " u "-shaped bending and
Second approximate " u "-shaped bending.
Preferably, the shaft axis of the reciprocating linear compressor are located at horizontal direction, and the approximate " u "-shaped is bent to form
In the horizontal direction and with the direction of the compressor rotation shaft axis perpendicular.
Preferably, the steam vent on the housing is located on compressor axis and position with the exhaust valve component respectively
In the position of the both sides of the cylinder.
Preferably, the exhaust valve component includes exhaust valve cap and the noise reduction for being attached to and being connected with inside it
Lid.
Preferably, the noise reduction lid is internally provided with two noise elimination cavities, respectively the first noise elimination cavity and the second noise elimination cavity, and two
It is connected between the individual noise elimination cavity by a gas connection hole.
Preferably, the aperture in the gas connection hole is 3~φ of φ 5mm.
A kind of reciprocating linear compressor with inside exhaust pipe provided by the invention has the advantages that：
1. by the reciprocating linear compressor with inside exhaust pipe of the present invention, can effectively solve the problem that interior inside compressor
The technical problem of broken by vibration easily occurs because of the vibration of compressor for blast pipe, the characteristics of making full use of linear compressor to vibrate
Design, the situation of inside exhaust pipe fracture will not also occur under the big stroke effect of vibration of linear compressor；
2. by the reciprocating linear compressor with inside exhaust pipe of the present invention, can adapt under different frequency and stroke
The vibration of body, reliability is high, long lifespan；
3. the inside exhaust pipe of the reciprocating linear compressor with inside exhaust pipe of the present invention is simple in construction, low manufacture cost,
It is easily achieved.
4. can effectively reduce the vibration of the gas after compression chamber exhaust by noise reduction lid and two silencing cavities, effectively increase
By force to the effect of compressor noise reduction so that compressor can integrally reach safe for operation, Jing Yin effect.
Brief description of the drawings
Fig. 1 is the internal sectional structure figure of the reciprocating linear compressor of prior art；
Fig. 2 is the detonation configuration signal of the part of the straight reciprocating compressor enclosure interior with inside exhaust pipe of the present invention
Figure；
Fig. 3 is the inside stereochemical structure of the first embodiment of the straight reciprocating compressor with inside exhaust pipe of the present invention
Schematic diagram；
Fig. 4 is the inside stereochemical structure of the second embodiment of the straight reciprocating compressor with inside exhaust pipe of the present invention
Schematic diagram；
Fig. 5 is Fig. 3 top view；
Fig. 6 is that the exhaust valve component in the first embodiment of the present invention is sequentially connected what is connect with inside exhaust pipe, blast pipe
Dimensional structure diagram；
Fig. 7 is the dimensional structure diagram of the exhaust valve component of the present invention；
Fig. 8 is the exploded perspective view of Fig. 7 exhaust valve component.
Reference is expressed as in figure：
1-housing, 2-exhaust valve component, 21-exhaust valve cap, 22-noise reduction lid, the 221-the first silencing cavity, 222-the
Two silencing cavities, 223-gas connection hole, 23-air bleeding valve, 24-exhaust valve spring, 25-gasket seal, 26-exhaust valve support,
27-damping pad, 3-inside exhaust pipe, the bending of 31-approximate " u "-shaped, the 311-the first bent angle, the 312-the second bent angle, 313-
3rd bent angle, the 314-the four bent angle, 4-cylinder, 41-cylinder-bore, 5-piston, 6-motor, 7-spring dead plate, 8-the
One resonant springs, 9-inhaling silencer, the 10-the second resonant springs, 11-spring bonnet, 12-blast pipe, 13-air intake duct,
14-support spring, 15-communicating pipe, 16-spring support.
Embodiment
As shown in figures 2-6, the present invention provides a kind of reciprocating linear compressor with inside exhaust pipe, it include housing 1 and
The cylinder 4 and exhaust valve component 2 of the enclosure interior are arranged at, wherein being provided with the exhaust valve component 2 for discharging it
The air release valve hole (not marked in figure, the position of inside exhaust pipe 3 is connected on exhaust valve component 2) of internal gas, on the housing 1
The steam vent for discharging its internal gas is also equipped with (not mark in figure, blast pipe 12 and the phase of inside exhaust pipe 3 on housing 1
The position connect), and the inside exhaust pipe 3 for connecting the two is additionally provided between the steam vent and the air release valve hole, and
And any position on the inside exhaust pipe 3 along the direction with the compressor rotation shaft axis perpendicular formed with least
Approximate " u "-shaped bending 31 at one.
By the reciprocating linear compressor with inside exhaust pipe of the present invention, set using in the above-mentioned position of inside exhaust pipe
The structure type of " u "-shaped bending, it can effectively make it that axially (the x directions i.e. shown in Fig. 3-4) occurs compressor block
During vibration (vibration of body mainly due in compression process intracavity gas to body produce a reaction force caused by),
Stretching and compression can occur in corner for inside exhaust pipe, i.e., U-shaped mouth can become big or reduce, stress the same just as spring
It can be released by the deformation of structure at U-shaped mouth, so as to reduce the stress of pipeline, so as to ensure that the strong of inside exhaust pipe
Spend, avoid the hard tension failure of pipe, when reducing compressor block axially (the x directions i.e. shown in Fig. 3-4) vibrating,
The situation that inside exhaust pipe is broken in corner, solve the inside exhaust pipe inside compressor and easily sent out because of the vibration of compressor
The characteristics of giving birth to the technical problem of broken by vibration, making full use of linear compressor to vibrate is designed, even in the favourable opposition of linear compressor
Also the situation of inside exhaust pipe fracture will not occur under journey effect of vibration；
By the reciprocating linear compressor with inside exhaust pipe of the present invention, the machine under different frequency and stroke can adapt to
The vibration of body, reliability is high, long lifespan；The inside exhaust pipe structure letter of the reciprocating linear compressor with inside exhaust pipe of the present invention
It is single, low manufacture cost, it is easy to accomplish.
Preferably, the approximate " u "-shaped bending 31 is the vertical direction in compressor rotation shaft axis into 180 ° of big bending
Shape.Such 180 ° big bending effectively can lead to stretching of the compressor shaft to (the x directions in Fig. 3-4) or compression stress
The stretching and compression for crossing structure at the U-shaped mouth of the bending place are released, so as to reduce the stress of pipeline, so as to effectively
Ground reduces inside exhaust pipe stress in the x direction, effectively prevent that it from occurring to be broken firmly due to stretching the occurrence of.
Preferably, the approximate " u "-shaped bending includes 4 approximately equalised bent angles of angular dimension, respectively the first bent angle
311st, the second bent angle 312, the 3rd bent angle 313 and the 4th bent angle 314.It can be sent out respectively at 4 by the structure type of 4 bent angles
The deformation of raw stretching and compression, so as to reduce stress of the inside exhaust pipe in x directions, enhances the Resisting fractre intensity of inside exhaust pipe,
The situation that inside exhaust pipe is broken firmly has been more effectively prevented to occur.
Preferably, the bending angle size of the first, second, third and fourth bent angle 311,312,313,314 exists
Between 80 ° -120 ° of scope.So effectively four bent angles can be caused to be in the section of 90 ° of (right angle) left and right scopes, more
Enable inside exhaust pipe that (stretching) stress on x directions is transformed into y directions as much as possible excellently, more preferably reduce interior be vented
Pipe further preferably enhances the Resisting fractre intensity in the x direction of inside exhaust pipe in the stress in x directions.
Preferably, the approximate " u "-shaped bending 31 is forms at arbitrary one on the inside exhaust pipe 3 position (such as
Shown in Fig. 3)；Or the approximate " u "-shaped bending 31 is to form position different at any two on the inside exhaust pipe 3,
Including the first approximate " u "-shaped bending and the second approximate " u "-shaped bending (as shown in Figure 4).This is the first currently preferred tool
Body embodiment, i.e., approximation " u "-shaped at one is formed on inside exhaust pipe and is bent, and preferable second of embodiment, i.e.,
Approximation " u "-shaped at two is formed on inside exhaust pipe to bend, and can be selected and be processed according to actual conditions, really, approximate " U "
The number of shape bending is The more the better, it is more if its to reduce the intensity of inside exhaust pipe Resisting fractre also higher, but also to consider it
Processing cost and complexity (processing cost and complexity ratio normal straight tube of approximate " u "-shaped bending are much greater), and
Also the length of inside exhaust pipe and the arrangement space of compressor are combined, is selected and is processed according to actual conditions.
Preferably, the shaft axis of the reciprocating linear compressor are horizontal direction, i.e. horizontal reciprocating linear compressor,
The approximate " u "-shaped bending 31 be also formed in horizontal direction and with the direction of the compressor rotation shaft axis perpendicular.This is past
The preferred arrangement form of complex line compressor, using horizontal reciprocating linear compressor, substituting vertical reciprocating compressor can subtract
The bearing load of small bottom support bracket, improve its service life, reduce cost, and approximate " u "-shaped bending 31 is also formed in water
Square to and with the compressor rotation shaft axis perpendicular direction, this is the preferred arrangement of approximate " u "-shaped bending, can
Effectively reduce tensile load of the inside exhaust pipe on horizontal axis direction, be converted to horizontal direction and perpendicular to axis
Direction, this is also the structural arrangement form and space according to horizontal reciprocating linear compressor and the optimal selection carried out and arrangement
Form.
Preferably, the steam vent on the housing 1 and the exhaust valve component 2 respectively on compressor axis and
Positioned at the position of the both sides of the cylinder.Steam vent and exhaust pipe assembly are arranged on the compressor axis of cylinder both sides, energy
Enough increase the exhaust pathway of inside exhaust pipe, and then can effectively reduce the vibration of gas by way of lengthening path, to it
Noise reduction and noise reduction are carried out, effectively acts as the purpose of vibration damping, noise reduction, noise reduction.
Preferably, the exhaust valve component 2 includes exhaust valve cap 21 and is attached to and is connected with inside it
Noise reduction lid 22 (as shown in fig. 6, being connected between noise reduction lid 22 and exhaust valve cap 21 by communicating pipe 15).Pass through exhaust valve cap
Air bleeding valve can be played a part of protection and to enter the bonnet in gas carry out one-level noise reduction, by be provided thereon and with
The noise reduction lid being connected inside it can carry out the effect of further noise reduction to the gas discharged from exhaust valve cap, play optimization and disappear
The purpose and effect of sound and vibration damping.
Preferably, the noise reduction lid 22 is internally provided with two noise elimination cavities, and respectively the first noise elimination cavity 221 and second is eliminated the noise
Chamber 222, it is connected by a gas connection hole 223 between two noise elimination cavities.By setting two noise elimination cavities and connecting
The structure type in gas connection hole between the two, it can play a part of carrying out two-stage series connection noise elimination to gas, play and more enter
It is eliminated the noise one step and the effect of vibration damping, and to enable, compressor is quiet, stably runs.
Preferably, the aperture in the gas connection hole 223 is 3~φ of φ 5mm.This is the preferred aperture in gas connection hole
Number range, it so can effectively accommodate gas and enter the second noise elimination cavity from the first noise elimination cavity, and also be effective to ensure that
Gas is gentle, stably flows so that gas is unlikely to increase because aperture is too big and disturb and vibrate, be also unlikely to due to hole
Footpath is too small and reduces the flowing velocity of gas and causes the pressure in the first noise elimination cavity excessive and produce potential safety hazard, ensures compression
The safe and reliable operation of machine complete machine.
Operation principle of the invention and preferred embodiment is described below
It is an object of the invention to provide a kind of inside exhaust pipe group of reciprocating linear compressor, reduces inside exhaust pipe group because of body
The probability of broken by vibration, to reduce the influence to reciprocating linear compressor normal work.It is a further object of the present invention to provide one
Reciprocating linear compressor of the kind with above-mentioned inside exhaust pipe group.
Beneficial effect：
1st, the characteristics of inside exhaust pipe structure of the present invention makes full use of linear compressor to vibrate is designed, according to body vibration rule
And the inside exhaust pipe designed, it will not be also broken under the big stroke effect of vibration of linear compressor；
2nd, there is the present invention linear compressor of above-mentioned inside exhaust pipe structure can adapt to the machine under different frequency and stroke
The vibration of body, reliability is high, long lifespan.
3rd, inside exhaust pipe of the present invention is simple in construction, low manufacture cost, it is easy to accomplish.
Fig. 2 is linear compressor pump body structure schematic diagram of the present invention.Pump housing main parts size includes：Housing 1, cylinder 4, live
Plug 5, motor 6, spring dead plate 7, spring bonnet 11, spring support 16, support spring 14, the first and second resonant springs 8
With 10, inhaling silencer 9 and exhaust valve component 2.Piston 5 and resonant springs 8 and 10, electric mover, spring support 16, air-breathing
Silencer 9 collectively constitutes moving parts.Linear electric motors 6 are driving element during work, after coil in the stator is passed through alternating current
Rotary electromagnetic field can be produced, the magnetic field and permanent magnetism field interactions caused by the magnet steel on electric mover, band piston 5 is in cylinder
Linear reciprocating motion is done inside 4, completes the compression to refrigerant, and gases at high pressure are discharged to outside compressor.When resonant springs 8
With 10 rigidity and the timing of quality one of moving component, resonator system has an intrinsic frequency.According to physics relevant knowledge
Understand, if applying one and intrinsic frequency identical driving force to resonator system, only need the work(piston 5 for doing very little can
Very big amplitude is produced, here it is the resonance principle that linear compressor utilizes.Fig. 7 is a kind of exhaust valve component 2 of the present invention
Structural representation.Core is cylinder-bore, there is provided compression stroke；Edge flange section is used for the stator for supporting linear electric motors.
In addition, being provided with two noise elimination cavities 221 and 222 on the flange face of exhaust valve component 2, pass through an aperture among two noise elimination cavities
3~φ of φ 5mm aperture (gas connection hole 223) connection.Disappear more greatly on the volume theory for the situation noise elimination cavity that space allows
Sound effective value is better.Spring dead plate 7, spring support 16 and spring bonnet 11 mainly play fixed spring.In addition bullet
Spring fixed plate 7 and spring bonnet 11 can also play the fixation to motor stator.
Fig. 6 is a kind of exhaust system structure schematic diagram of the present invention.By piston 5, cylinder 4 and exhaust valve component 2 and noise reduction lid
22 groups are assembled together to form closed compression chamber, and the gases at high pressure after intracavitary compression first pass around air bleeding valve 23 and enter air bleeding valve
Lid 21 carries out one-level noise elimination, then carries out two level noise elimination by the first silencing cavity 221 entered communicating pipe 15 on cylinder frame flange seat,
Three-level noise elimination is carried out through the second silencing cavity 222 again, the blast pipe 12 finally entered via inside exhaust pipe 3 on housing 1 is discharged to cold
Condenser is cooled down, and is gradually completing kind of refrigeration cycle.
Fig. 8 is a detailed construction exploded perspective view of exhaust valve component of the present invention.Including：Air bleeding valve 23, exhaust valve spring
24th, valve support 26, damping pad 27, gasket seal 25, exhaust valve cap 21 and noise reduction lid 22 are vented.Exhaust valve spring 24 mainly provides
Certain bounce, ensure the timely closing of air bleeding valve 23.It is vented valve support 26 and is used to support exhaust valve spring 24, it is necessary to use high intensity
High-abrasive material such as 40Cr etc. be made.Damping pad 27 vibrates for reducing valve spring 24, so as to reduce the noise of compressor.Sealing
Pad 25 is used for the sealing of bonnet 21, prevents gases at high pressure from being revealed out of compression chamber to enclosure interior.
Fig. 5 is linear compressor body vibration direction schematic diagram of the present invention.In order to drop the complete machine of compressor height, straight line pressure
Contracting machine cylinder mean level is placed.Therefore the direction of motion of piston 5 is also in the horizontal direction, to be made according to active force on mechanics with anti-
Principle firmly, compressed gas can produce an opposition to body, therefore can produce small vibration in the horizontal direction.
In order to reduce vibration, it will usually design support spring 14 on body and be used for damping.But test result indicates that body spring shock absorption
Effect is mainly reflected in vertical direction (direction of compressor axis perpendicular), i.e. axle of spring direction, horizontal direction (compressor
The direction of axis) damping effect is poor.And together with inside exhaust pipe 3 is welded onto with housing blast pipe 12, the vibration pole of body
It is easily caused the fracture of inside exhaust pipe 3.Necessary structure design must be carried out to inside exhaust pipe 3, to ensure compressor inside exhaust pipe 3
Reliability.
Fig. 3 is a kind of mounting structure schematic diagram of the inside exhaust pipe 3 of the present invention inside linear compressor.The inside exhaust pipe 3
Be mainly characterized by have 180 ° of bendings at 1 on the vertical direction of compressor block direction of vibration (i.e. Y-direction), the bent angle includes
Small bent angle of 4 angles between 80 °~120 °.So when body vibrates in x directions, inside exhaust pipe can be in bent angle
Stretching and compression occur for place, so as to ensure that the intensity of inside exhaust pipe, avoid the hard tension failure of pipe.
Fig. 4 is a kind of mounting structure schematic diagram of the inside exhaust pipe of the present invention inside linear compressor.The inside exhaust pipe
It is mainly characterized by there are 180 ° of bendings at 2 on the vertical direction of compressor block direction of vibration (i.e. Y-direction), the bent angle includes 4
Small bent angle of the individual angle between 80 °~120 °, so when body vibrates in x directions, inside exhaust pipe can be in bent angle
Stretching and compression occur for place, so as to ensure that the intensity of inside exhaust pipe, avoid the hard tension failure of pipe.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.With
Only it is the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art, not
On the premise of departing from the technology of the present invention principle, some improvement and modification can also be made, these improvement and modification also should be regarded as this
The protection domain of invention.
Claims (8)
- A kind of 1. reciprocating linear compressor with inside exhaust pipe, it is characterised in that：Including housing (1) and it is arranged at the housing Internal cylinder (4) and exhaust valve component (2), wherein being provided with the exhaust valve component (2) for discharging its internal gas The steam vent for discharging its internal gas is provided with the air release valve hole of body, the housing (1), the steam vent with it is described The inside exhaust pipe (3) for connecting the two, and any position on the inside exhaust pipe (3) are additionally provided between air release valve hole Put place and bend (31) formed with the approximate " u "-shaped at least one along the direction with the compressor rotation shaft axis perpendicular；The exhaust valve component (2) includes carrying out the exhaust valve cap (21) of one-level noise elimination, and is arranged at the exhaust valve cap (21) the outside and noise reduction lid (22) with being connected inside the exhaust valve cap (21), the noise reduction lid (22) are internally provided with two Individual noise elimination cavity, the first noise elimination cavity (221) of two level noise elimination and the second noise elimination cavity (222) of three-level noise elimination are respectively carried out, it is described Air release valve hole is arranged on the noise reduction lid (22) and connected with second noise elimination cavity (222), between two noise elimination cavities It is connected by a gas connection hole (223).
- 2. the reciprocating linear compressor according to claim 1 with inside exhaust pipe, it is characterised in that：The approximation " U " Shape bending (31) is the vertical direction in compressor rotation shaft axis into 180 ° of big bending shape.
- 3. the reciprocating linear compressor with inside exhaust pipe according to one of claim 1-2, it is characterised in that：It is described near Include 4 approximately equalised bent angles of angular dimension like " u "-shaped bending, respectively the first bent angle (311), the second bent angle (312), the Three bent angles (313) and the 4th bent angle (314).
- 4. the reciprocating linear compressor according to claim 3 with inside exhaust pipe, it is characterised in that：Described first, 2nd, the bending angle size of the third and fourth bent angle (311,312,313,314) is between 80 ° -120 ° of scope.
- 5. the reciprocating linear compressor with inside exhaust pipe according to one of claim 1-2, it is characterised in that：It is described near Position at arbitrary one on the inside exhaust pipe (3) is formed like " u "-shaped bending (31)；Or the approximate " u "-shaped bending (31) position different at any two on the inside exhaust pipe (3) is formed, including the first approximate " u "-shaped is bent and second is near Bent like " u "-shaped.
- 6. the reciprocating linear compressor with inside exhaust pipe according to one of claim 1-2, it is characterised in that：It is described past The shaft axis of complex line compressor are located at horizontal direction, the approximate " u "-shaped bending (31) formed in the horizontal direction and with institute State the direction of compressor rotation shaft axis perpendicular.
- 7. the straight reciprocating compressor with inside exhaust pipe according to one of claim 1-2, it is characterised in that：The shell The steam vent on body (1) is with the exhaust valve component (2) respectively on compressor axis and positioned at the cylinder (4) The position of both sides.
- 8. the straight reciprocating compressor according to claim 1 with inside exhaust pipe, it is characterised in that：The gas connection The aperture in hole (223) is 3~φ of φ 5mm.
Priority Applications (1)
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| CN109708342B (en) * | 2018-11-16 | 2020-11-20 | 海尔智家股份有限公司 | Pipeline system and refrigerator with same |
| CN110966159A (en) * | 2019-11-13 | 2020-04-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Exhaust system and compressor in compressor |
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| KR20000051409A (en) * | 1999-01-22 | 2000-08-16 | 윤종용 | Line discharge tube for linear compressor |
| KR100504858B1 (en) * | 2001-05-24 | 2005-07-29 | 엘지전자 주식회사 | Discharge apparatus for reciprocating compressor |
| KR100529913B1 (en) * | 2003-08-07 | 2005-11-22 | 엘지전자 주식회사 | Cooling structure of linear compressor |
| KR20050080657A (en) * | 2004-02-10 | 2005-08-17 | 엘지전자 주식회사 | Vibration reduction structure of reciprocating compressor |
| KR20050121053A (en) * | 2004-06-21 | 2005-12-26 | 삼성전자주식회사 | Compressor |
| CN101205884A (en) * | 2006-12-20 | 2008-06-25 | 泰州乐金电子冷机有限公司 | Coolant discharging arrangement of linear compressor |
| CN101372953A (en) * | 2007-08-22 | 2009-02-25 | 泰州乐金电子冷机有限公司 | Straight-line compressor |
| JP4946767B2 (en) * | 2007-10-03 | 2012-06-06 | パナソニック株式会社 | Hermetic compressor |
| KR102242373B1 (en) * | 2014-08-25 | 2021-04-20 | 엘지전자 주식회사 | A linear compressor |
| CN205955941U (en) * | 2016-06-15 | 2017-02-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Reciprocal sharp compressor with inner exhaust duct |
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