CN112392693A - A kind of compressor - Google Patents

A kind of compressor Download PDF

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Publication number
CN112392693A
CN112392693A CN202011159202.2A CN202011159202A CN112392693A CN 112392693 A CN112392693 A CN 112392693A CN 202011159202 A CN202011159202 A CN 202011159202A CN 112392693 A CN112392693 A CN 112392693A
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CN
China
Prior art keywords
reed
compressor
valve plate
muffler
valve block
Prior art date
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Granted
Application number
CN202011159202.2A
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Chinese (zh)
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CN112392693B (en
Inventor
张宝
胡树浩
李�浩
屠彬彬
贡莉
钟建龙
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Hangzhou Qianjiang Refrigeration Compressor Group Co ltd
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Hangzhou Qianjiang Refrigeration Compressor Group Co ltd
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Application filed by Hangzhou Qianjiang Refrigeration Compressor Group Co ltd filed Critical Hangzhou Qianjiang Refrigeration Compressor Group Co ltd
Priority to CN202011159202.2A priority Critical patent/CN112392693B/en
Publication of CN112392693A publication Critical patent/CN112392693A/en
Application granted granted Critical
Publication of CN112392693B publication Critical patent/CN112392693B/en
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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
    • F04B39/1073—Adaptations or arrangements of distribution members the members being reed valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
    • 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
    • F04B39/005—Pulsation and noise damping means with direct action on the fluid flow using absorptive materials
    • 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
    • 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
    • F04B39/0066—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using sidebranch resonators, e.g. Helmholtz resonators
    • 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
    • F04B39/1066—Valve plates

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Compressor (AREA)

Abstract

The invention discloses a compressor, which belongs to the field of air compression equipment and comprises a valve plate arranged at an air suction port or an air exhaust port of the compressor, wherein the valve plate comprises a valve plate body, an air exhaust hole, an installation hole and an orifice.

Description

A kind of compressor
Technical Field
The invention relates to air compression equipment, in particular to a compressor.
Background
The valve plate is an important component of the compressor and is mainly used for controlling the flow of gas entering and discharging the compressor, and the performance of the valve plate directly influences the suction efficiency of the compressor. The valve block generally comprises the valve plate, the reed and the exhaust hole which are arranged on the valve plate, in the process of air suction and exhaust of the compressor, pressure difference is generated on two sides of the valve block, compressed gas penetrates through the valve plate through the exhaust hole and pushes the reed to deform, so that more compressed gas penetrates through the valve block from a gap between the reed and the valve plate, and the shape and the position of the reed and the exhaust hole determine the exhaust efficiency and the service life of the valve block.
The valve plate in the existing compressor is not reasonable enough in structural design, so that the reed is easy to damage when in use.
For example, in the chinese patent document, "compressor suction valve plate assembly and compressor" disclosed in the publication No. CN207229337U, including a suction valve plate, a reed and a filling plate, it is disadvantageous in that the filling plate is provided with a vent hole, which makes the filling plate more easily broken when bent, thereby greatly reducing the service life of the valve plate.
Disclosure of Invention
The invention aims to solve the problems that a valve plate of a compressor is easy to break and short in service life in the prior art, and provides the compressor, so that the valve plate of the compressor has better structural strength, and further has longer service life.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a compressor, which comprises a valve plate arranged at an air suction port or an air exhaust port of the compressor, wherein the valve plate comprises a valve plate body, an air exhaust hole, an installation hole and an orifice, an outer reed and an inner reed are arranged on the valve plate body, one end of the inner reed is connected with the valve plate body, the outer reed is connected with the valve plate body through at least two connecting arms, the inner reed is arranged between two adjacent connecting arms of the outer reed, the air exhaust hole is arranged on the valve plate and positioned at the outer sides of the outer reed and the inner reed, and the outer reed, the inner reed and the air exhaust hole are all positioned in an orthographic projection area of the air exhaust hole on the; the outer reed is connected with the valve block body through two connecting arms, the outer reed and the connecting arms jointly form a U-shaped structure, a gap is formed between the outer reed and the valve block body, a gap is formed between the outer reed and the inner reed, the exhaust hole is connected with the gap between the outer reed and the valve block body, the outer reed is connected with the valve block body through the two connecting arms, the outer reed and the connecting arms jointly form the U-shaped structure, a gap is formed between the outer reed and the valve block body, a gap is formed between the outer reed and the inner reed, and the exhaust hole is connected with the gap between the outer reed and the valve block body.
When the compressor works, pressure difference is generated on two sides of the valve plate, compressed gas penetrates through the valve plate at the exhaust hole, and the compressed gas penetrates through the valve plate and pushes the outer reed and the inner reed to bend, so that a gap between the outer reed and the inner reed and a gap between the outer reed and a valve plate body are enlarged, and the exhaust or suction efficiency is improved; when the compressor stops working, the outer reed and the inner reed can reset, the outer reed and the inner reed are easy to break in the continuous bending and resetting processes, and particularly when the exhaust hole is positioned on the inner reed, the structural strength of the inner reed is reduced, and the inner reed is easy to break; the exhaust hole is arranged at the outer sides of the inner reed and the outer reed, so that the structural strength of the inner reed and the outer reed cannot be influenced, and meanwhile, the exhaust hole is positioned in an orthographic projection area of the air suction port or the air exhaust port on the valve block, so that the exhaust hole can be positioned on a gas flowing path; when the compressor works, pressure difference is generated on two sides of the valve plate, compressed gas pushes the outer reed and the inner reed to bend simultaneously, gas can pass through a gap between the outer reed and the valve plate body and can also pass through a gap between the inner reed and the outer reed, the ventilation efficiency is improved, the pressure difference can be balanced by fast air suction or air exhaust when the pressure difference on two sides of the valve plate is large, and therefore the outer reed or the inner reed is prevented from being broken.
Preferably, the thickness of the connecting arm is gradually reduced from the connecting part with the valve plate body to the connecting part with the outer reed, and the thickness of the inner reed is gradually reduced from one end connected with the valve plate body to the other end; when the outer reed and the inner reed are under the pressure of compressed air, the outer reed and the inner reed can be bent to a certain degree, and the part, close to the joint of the valve block body, of the outer reed and the inner reed can be broken more easily when the bending moment applied to the position, close to the joint of the valve block body, is larger; and because the reed is less apart from the one end thickness far away with the valve block body department of linking, when valve block both sides pressure differential is less, the reed is crooked more easily to make the sensitivity of valve block higher, the atmospheric pressure of the compressed air of discharge is more even.
Preferably, a silencer is arranged between an exhaust port and a valve plate of the compressor, the silencer comprises an air inlet cavity and an exhaust cavity, a blocking piece is arranged between the air inlet cavity and the exhaust cavity, and a through hole for communicating the air inlet cavity and the exhaust cavity is formed in the blocking piece; in the working process of the compressor, as the pressure of the discharged gas is large and the flow rate is high, large noise is easy to generate, the silencer can effectively reduce the noise, and the silencer can eliminate the noise of a specific frequency section by designing the volume of the air cavity in the silencer.
Preferably, a linear motor is installed in the muffler, a stator of the linear motor is fixedly installed in the muffler, and a rotor of the linear motor is connected with the barrier; through linear electric motor can control the position of separation piece in the silencer to the size in control exhaust chamber, after the compressor used a period, because the change of internal structure's not hard up or position, the frequency section that produces the noise also can take place certain change, and through linear electric motor adjusts the size in exhaust chamber and can make the silencer have better adaptability, can adapt to the noise frequency section that changes, carries out more effective noise elimination.
Preferably, the silencer is provided with a moving groove, the outer side of the barrier is provided with a connecting rod, and one end of the connecting rod penetrates through the moving groove and extends out of the silencer; through stirring from the silencer outside the connecting rod can make the connecting rod remove in the shifting chute to make the position of separation piece in the silencer change, thereby change the size in exhaust chamber, after the compressor uses a period, because the change of internal structure's not hard up or position, certain change also can take place for the frequency section that produces the noise, and through the connecting rod adjusts the size in exhaust chamber and can make the silencer have better adaptability, can adapt to the noise frequency section that changes, carries out more effective noise elimination.
Preferably, a plurality of resonant cavities with different sizes are arranged in the barrier; the blocking piece is cylindrical, the through hole is positioned on the axis of the blocking piece, and the plurality of resonant cavities are axially distributed on the outer side of the through hole; the noise can drive the resonant cavity to vibrate by virtue of the Helmholtz resonance principle, so that sound energy is converted into heat energy, and the purpose of reducing the noise is achieved; the resonant cavities with different sizes can resonate with the noises with different frequencies in the noise frequency section, so that the noise reduction effect is improved; through the structure in this scheme, can make through-hole and each resonant cavity all link to each other to make the noise of transmission in the through-hole can fully drive every resonant cavity, thereby turn into heat energy with as much acoustic energy as possible, improve noise reduction effect.
Preferably, the outer sides of the air inlet cavity and the air exhaust cavity are provided with auxiliary channels, the air inlet cavity is connected with the auxiliary channels through resistive channels, porous materials are fixed on the inner walls of the resistive channels, and the auxiliary channels are connected with the air exhaust cavity through air return channels; the silencer is provided with a moving groove, the outer side of the blocking piece is provided with a connecting rod, one end of the connecting rod penetrates through the moving groove and extends out of the silencer, the connecting rod is further provided with a baffle, the baffle is positioned in the auxiliary channel, and the baffle completely covers the moving groove; when the pressure difference between the interior of the compressor and the outside is large, the pressure intensity in the silencer is also large, and the frequency of the generated noise is also large; because the air pressure in the air inlet cavity is high, the air in the air inlet cavity flows to the exhaust cavity from the through hole and also flows to the auxiliary channel from the resistive channel, the inner wall of the resistive channel is provided with the porous material, when sound waves pass through the porous material, a part of sound energy is rubbed in pores of the porous material to be converted into heat energy to be dissipated, and the sound with higher frequency has better noise elimination effect when passing through the porous material; the natural frequencies of the resonant cavities can be distributed in lower frequencies by silencing high-frequency noise through the resistive channels, so that the natural frequencies of the resonant cavities are distributed more closely, when the frequency section of the generated noise is higher, the noise can be effectively silenced through the porous material, and when the frequency section of the generated noise is lower, the resonant cavities can perform more effective silencing, so that the silencing performance is improved; the connecting rod is shifted from the outside of the silencer, so that the connecting rod can move in the moving groove, the position of the blocking piece in the silencer is changed, the size of the exhaust cavity is changed, after the compressor is used for a period of time, the frequency section generating noise can also be changed to a certain extent due to the looseness or position change of an internal structure, and the silencer can have better adaptability by adjusting the size of the exhaust cavity through the connecting rod, can adapt to the changed noise frequency section and can perform more effective silencing; and the baffle can cover the moving groove to prevent noise and gas from leaking out of the moving groove.
Preferably, a valve plate is arranged between the valve plate and the silencer, a force sensor used for measuring the acting force of the inner reed and the valve plate is arranged at the position, corresponding to the inner reed, of the valve plate, the force sensor is connected with a controller, the controller is connected with a buzzer, and when the acting force of the inner reed and the valve plate reaches a set value, the buzzer gives an alarm.
The machining method of the valve plate is characterized by comprising the following steps of:
firstly, putting a plate material into a die of a press machine and positioning the plate material;
secondly, a forming blanking die of the press machine punches the plate, and the valve plate is formed and blanked;
shaping the valve plate by using a shaping die, then carrying out fine punching by using a fine punching die, and processing a valve plate body, an exhaust hole, a mounting hole and a throttling hole;
fourthly, the valve plate is cut linearly and processed into an inner reed and an outer reed;
rolling and polishing the valve plate by using a grinding vibration machine;
sixthly, sticking a plate for reducing the clearance on the side surface of the inner reed, wherein the thickness of the plate is the same as that of the inner reed;
seventhly, a plate for reducing the clearance is adhered to the side surface of the outer spring plate, and the thickness of the plate is the same as that of the outer spring plate;
and eighthly, cleaning and drying.
A plate for reducing the clearance is adhered to the side surface of the inner reed, the thickness of the plate is the same as that of the inner reed, the clearance formed by the gap between the inner reed and the outer reed is reduced, and the efficiency of the compressor is improved; and a plate for reducing the clearance is adhered to the side surface of the outer reed, the thickness of the plate is the same as that of the outer reed, the clearance formed by the gap between the valve body of the outer reed is reduced, and the efficiency of the compressor is improved.
Preferably, the valve plate is provided with a plurality of protrusions, and when the valve plate is attached to the valve plate, the protrusions are inserted into gaps between the inner reed and the outer reed and between the outer reed valve body, so that the clearance can be reduced.
Therefore, the invention has the following beneficial effects: (1) the reed has better structural strength and is not easy to be broken under the pressure action of compressed gas, so that the service life of the valve plate is prolonged; (2) at the moment of starting the compressor, the reed is not easy to be damaged due to the suddenly generated pressure; (3) the valve plate has better sensitivity, so that the stability of the pressure of the discharged gas can be improved; (4) the noise elimination and reduction effect is good; (5) when the frequencies of the generated noises are different, the positions of the blocking pieces can be adjusted to perform targeted noise reduction, so that the adaptability of the silencer is improved; (6) noise reduction can be performed for both high frequency and low frequency noise.
Drawings
Fig. 1 is a sectional view of a muffler according to a first embodiment of the present invention.
Fig. 2 is a cross-sectional view taken along line a-a of fig. 1, in accordance with a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a valve plate according to a first embodiment of the invention.
Fig. 4 is a sectional view of a muffler according to a second embodiment of the present invention.
In the figure: 1. the valve comprises a muffler 2, an air inlet cavity 3, an air exhaust cavity 4, a blocking piece 5, a through hole 6, a resonant cavity 7, a connecting rod 8, an auxiliary channel 9, a resistive channel 10, an air return channel 11, a moving groove 12, a baffle 13, a valve sheet 14, a valve sheet body 15, an exhaust hole 16, a mounting hole 17, an orifice 18, an outer reed 19, an inner reed 20, a connecting arm 21, a linear motor 22, a stator 23, a mover 24, a controller 25 and a valve plate.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1-3, a muffler 1 is installed at an exhaust port of a compressor, the muffler includes an intake chamber 2 and an exhaust chamber 3, the intake chamber of the muffler is connected to an intake port of the compressor, the intake chamber and the exhaust chamber are separated by a barrier 4, the barrier is cylindrical, a through hole 5 is formed on an axis of the barrier, a plurality of resonant cavities 6 with different sizes are arranged outside the through hole, the resonant cavities are circumferentially arranged, and cross-sectional shapes of the resonant cavities are sectors with different angles; the upper side and the lower side of the blocking piece are respectively provided with a connecting rod 7 which is perpendicular to the blocking piece, one end of each connecting rod is connected with the blocking piece, and the other end of each connecting rod extends out of the silencer; the outer sides of the air inlet cavity and the air exhaust cavity are provided with auxiliary channels 8, the air inlet cavity and the auxiliary channels are connected through a resistive channel 9, a porous material is fixed on the resistive channel, the porous material can be foam metal such as foam aluminum, an opening of the resistive channel, facing the air inlet cavity, is positioned in the air inlet cavity, the opening is small, and air can enter the resistive channel only when the pressure in the air inlet cavity is high; the auxiliary channel is connected with the exhaust cavity through an air return channel 10; the silencer is provided with a moving groove 11, the connecting rod is positioned in the moving groove and can move left and right in the moving groove, the outer end of the connecting rod extends out of the moving groove, the connecting rod is provided with a baffle 12, and the baffle completely covers the moving groove and is tightly attached to the inner wall of the auxiliary channel; the silencer is connected to the cylinder cover, and gas enters the cylinder through the silencer, the exhaust valve plate, the valve plate and the suction valve plate.
The air suction valve plate comprises a valve plate body 14, an exhaust hole 15, a mounting hole 16 and an orifice 17; the valve plate body is provided with an outer reed 18 and an inner reed 19, and the outer reed and the inner reed are obtained by linear cutting on the valve plate; one end of the inner reed is connected with the valve plate body, the outer reed is connected with the valve plate body through two connecting arms 20, one end of each connecting arm is connected with the valve plate body, and the inner reed is arranged between two adjacent connecting arms of the outer reed; the exhaust hole is arranged on the valve plate and positioned at the outer sides of the outer reed and the inner reed, and the outer reed, the inner reed and the exhaust hole are all positioned in the orthographic projection area of the exhaust port on the valve plate; the outer reed and the connecting arm form a U-shaped structure together; gaps are formed between the outer reed and the inner reed, gaps are formed between the outer reed, the connecting arm and the valve block body, and the exhaust hole is connected with the gaps between the outer reed and the valve block body; the thickness of the connecting arm is gradually reduced from the connecting part of the connecting arm and the valve plate body to the connecting part of the connecting arm and the outer reed, and the thickness of the inner reed is gradually reduced from one end connected with the valve plate body to the other end.
The valve plate is provided with a force sensor used for measuring the acting force of the inner reed and the valve plate at the position corresponding to the inner reed, the force sensor is connected with the controller, the controller is connected with the buzzer, and when the acting force of the inner reed and the valve plate reaches a set value, the buzzer gives an alarm.
The valve plate is provided with a plurality of bulges, and when the valve plate is attached to the valve plate, the bulges are inserted into the gaps between the inner reed and the outer reed and the gap between the outer reed valve body, so that the clearance is reduced
The machining method of the valve plate is characterized by comprising the following steps of:
firstly, putting a plate material into a die of a press machine and positioning the plate material;
secondly, a forming blanking die of the press machine punches the plate, and the valve plate is formed and blanked;
shaping the valve plate by using a shaping die, then carrying out fine punching by using a fine punching die, and processing a valve plate body, an exhaust hole, a mounting hole and a throttling hole;
fourthly, the valve plate is cut linearly and processed into an inner reed and an outer reed;
rolling and polishing the valve plate by using a grinding vibration machine;
sixthly, sticking a plate for reducing the clearance on the side surface of the inner reed, wherein the thickness of the plate is the same as that of the inner reed;
seventhly, a plate for reducing the clearance is adhered to the side surface of the outer spring plate, and the thickness of the plate is the same as that of the outer spring plate;
and eighthly, cleaning and drying.
A plate for reducing the clearance is adhered to the side surface of the inner reed, the thickness of the plate is the same as that of the inner reed, the clearance formed by a gap between the inner reed and the outer reed is reduced, and the efficiency of the compressor is improved; and a plate for reducing the clearance is adhered to the side surface of the outer reed, the thickness of the plate is the same as that of the outer reed, the clearance formed by the gap between the valve body of the outer reed is reduced, and the efficiency of the compressor is improved.
When the compressor works, compressed air enters the air inlet cavity of the silencer from the air outlet of the compressor, when the air pressure of the entering compressed air is relatively small, the air directly enters the through hole, in the through hole, sound with different frequencies in the sound wave frequency section drives different resonant cavities to resonate according to the principle of Helmholtz resonance, and sound energy is converted into vibration kinetic energy and finally converted into heat energy during resonance, so that noise is reduced; after the gas enters the exhaust cavity, the noise of specific frequency can be further reduced in the exhaust cavity, when the compressor works, the size of the exhaust cavity can be changed by moving the connecting rod, so that the noise reduction effect is changed, and when the connecting rod moves to a certain position, the generated noise is minimum, which indicates that the size of the exhaust cavity is suitable at the moment and the noise reduction effect is good; when the air pressure of the entering compressed air is higher, the frequency section of the generated noise is also relatively higher, because the air pressure of the air inlet cavity is higher at the moment, the air can enter the auxiliary channel through the resistive channel, and the air can generate noise reduction under the friction action of the porous material when passing through the resistive channel, so that the noise reduction has better effect on the high-frequency noise; when the gas leaves the exhaust cavity, the gas passes through the valve plate; when the compressor is started, pressure difference is suddenly generated on two sides of the valve block, compressed gas can be partially released at the gap and the exhaust hole, so that impact on the reed is reduced, the reed can bend outwards after being subjected to pressure from the compressed air, the gap between the outer reed and the valve block body is enlarged, exhaust efficiency is improved, when the pressure difference on the two sides of the valve block is large, the bending angle of the inner reed is larger than that of the outer reed, the gap between the inner reed and the outer reed is enlarged, and the exhaust efficiency is further improved.
Example two:
as shown in fig. 4, the present embodiment is different from the first embodiment in that there is no connecting rod outside the barrier member, and a linear motor 21 is installed, a stator 22 of the linear motor is fixed in a muffler, a mover 23 of the linear motor is connected to the barrier member, and a controller 24 is provided outside the muffler, by which the linear motor can be controlled to move.
When the size of the exhaust cavity needs to be adjusted, the linear motor is controlled to move back and forth through the controller, and when the generated noise is small, the size of the exhaust cavity is suitable.

Claims (9)

1. The utility model provides a compressor, is including installing the valve block at the induction port or the exhaust port department of compressor, the valve block includes valve block body, exhaust hole, mounting hole and orifice, characterized by, be equipped with outer reed and interior reed on the valve block body, the one end of interior reed links to each other with the valve block body, outer reed is through two at least linking arms and this body coupling of valve block, interior reed is located between two adjacent linking arms of outer reed, exhaust hole is located on the valve block and is located the outside of outer reed, exhaust hole is located the orthographic projection region of cylinder hole on the valve block.
2. The compressor of claim 1, wherein the connecting arm has a thickness that gradually decreases from a connection with the valve plate body to a connection with the outer reed, and the thickness of the inner reed gradually decreases from one end connected with the valve plate body to the other end.
3. The compressor of claim 1 or 2, wherein the compressor inlet is provided with a muffler, the muffler comprises an inlet chamber and an outlet chamber, a blocking member is arranged between the inlet chamber and the outlet chamber, and the blocking member is provided with a through hole communicating the inlet chamber and the outlet chamber.
4. A compressor according to claim 3, wherein said muffler has a linear motor mounted therein, a stator of said linear motor is fixedly mounted in said muffler, and a mover of said linear motor is coupled to said blocking member.
5. The compressor of claim 3, wherein the muffler has a moving groove, and the blocking member has a connecting rod on an outer side thereof, and one end of the connecting rod extends out of the muffler through the moving groove.
6. A compressor according to claim 3, wherein the baffle has a plurality of resonant cavities of different sizes.
7. A compressor according to claim 6, wherein said baffle is cylindrical, said through hole is located on the axis of said baffle, and said plurality of resonance chambers are axially distributed outside said through hole.
8. The compressor of claim 3, wherein the inlet chamber and the outlet chamber are provided with auxiliary channels on the outer sides thereof, the inlet chamber and the auxiliary channels are connected by a resistive channel, the inner wall of the resistive channel is fixed with a porous material, and the auxiliary channels and the outlet chamber are connected by a return channel.
9. The compressor of claim 8, wherein the muffler has a moving slot, the blocking member has a connecting rod on an outer side thereof, one end of the connecting rod extends out of the muffler through the moving slot, and the connecting rod further has a baffle plate positioned in the auxiliary passage, the baffle plate completely covering the moving slot.
CN202011159202.2A 2020-10-26 2020-10-26 A kind of compressor Active CN112392693B (en)

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Application Number Priority Date Filing Date Title
CN202011159202.2A CN112392693B (en) 2020-10-26 2020-10-26 A kind of compressor

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Application Number Priority Date Filing Date Title
CN202011159202.2A CN112392693B (en) 2020-10-26 2020-10-26 A kind of compressor

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CN112392693A true CN112392693A (en) 2021-02-23
CN112392693B CN112392693B (en) 2022-05-10

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Citations (7)

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JPH02291485A (en) * 1989-03-09 1990-12-03 Empresa Brasileira De Compressores Sa Embraco Outlet valve for tumbling piston rotary compressor
JP2000249067A (en) * 1999-03-01 2000-09-12 Seiko Seiki Co Ltd Gas compressor
CN201180633Y (en) * 2007-11-13 2009-01-14 深圳迈瑞生物医疗电子股份有限公司 Air-intake soundproof filter
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CN206129551U (en) * 2016-10-26 2017-04-26 黄石东贝电器股份有限公司 Suction valve disc and compressor
CN207229337U (en) * 2017-10-11 2018-04-13 黄石东贝电器股份有限公司 Compressor air suction valve block component and compressor
CN209557199U (en) * 2018-10-08 2019-10-29 杭州钱江制冷压缩机集团有限公司 A kind of novel compressor air suction valve block

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* Cited by examiner, † Cited by third party
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JPH02291485A (en) * 1989-03-09 1990-12-03 Empresa Brasileira De Compressores Sa Embraco Outlet valve for tumbling piston rotary compressor
JP2000249067A (en) * 1999-03-01 2000-09-12 Seiko Seiki Co Ltd Gas compressor
CN201180633Y (en) * 2007-11-13 2009-01-14 深圳迈瑞生物医疗电子股份有限公司 Air-intake soundproof filter
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CN206129551U (en) * 2016-10-26 2017-04-26 黄石东贝电器股份有限公司 Suction valve disc and compressor
CN207229337U (en) * 2017-10-11 2018-04-13 黄石东贝电器股份有限公司 Compressor air suction valve block component and compressor
CN209557199U (en) * 2018-10-08 2019-10-29 杭州钱江制冷压缩机集团有限公司 A kind of novel compressor air suction valve block

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