CN109026602A - Alleviate exhaust gas pressure pulse device and the air conditioner using it - Google Patents
Alleviate exhaust gas pressure pulse device and the air conditioner using it Download PDFInfo
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- CN109026602A CN109026602A CN201810790623.1A CN201810790623A CN109026602A CN 109026602 A CN109026602 A CN 109026602A CN 201810790623 A CN201810790623 A CN 201810790623A CN 109026602 A CN109026602 A CN 109026602A
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- pipeline section
- baffle
- channel
- exhaust gas
- passage
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- 230000008030 elimination Effects 0.000 claims abstract description 57
- 238000003379 elimination reaction Methods 0.000 claims abstract description 57
- 230000001105 regulatory effect Effects 0.000 claims abstract description 29
- 230000008676 import Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 8
- 238000004378 air conditioning Methods 0.000 abstract description 4
- 230000010349 pulsation Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- 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
- F04B39/0083—Pulsation and noise damping means using blow off silencers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Pipe Accessories (AREA)
Abstract
The present invention relates to a kind of alleviation exhaust gas pressure pulse device and using its air conditioner, it is related to field of air conditioning, main purpose is to solve the problem of that muffler frequency of noise elimination bad adaptability is not able to satisfy compressor in the prior art and runs each Frequency point and various duty requirements.The technical solution mainly used are as follows: alleviate exhaust gas pressure pulse device, including the shell with noise elimination cavity, pressure fluctuation attenuating device and regulating device with first passage and second channel, the import of both the first passage and second channel is connected to the noise elimination cavity；There is length difference △ L, there are phase differences between the waveform for the air-flow for exporting the two between the first passage and the second channel；The regulating device is used to adjust the length of the volume of the noise elimination cavity and/or the length of the first passage and/or the second channel according to the admission pressure for alleviating exhaust gas pressure pulse device.
Description
Technical field
The present invention relates to air-conditioning technical fields, more particularly to a kind of alleviation exhaust gas pressure pulse device and using its sky
Adjust device.
Background technique
Pressure fluctuation is due to caused by compressor cycle exhaust.Exhaust gas pressure pulse would generally bring pipeline stress can
By property and transmitting mail topic, general solution be design muffler for relieve stress pulsation (alleviation principle be to pass through
What volume change was realized, volume is bigger, and the effect for relieving stress pulsation is more obvious), also have through pressure fluctuation signal phase difference
Come the pressure fluctuation that decays, the effect for reducing noise is realized.
Muffler used in existing air-conditioning technical is (as shown in Figure 1) to have fixed noise elimination cavity length, therefore frequency of eliminating the noise
Rate and sound deadening capacity are fixed, and do not adapt to the demand of different frequency and different system sizes.As shown in Fig. 2, using phase
Difference relieves stress pulsation, due to diagram in channel 10,20 length be it is certain, can only also eliminate a certain specific frequency
Fluctuating signal does not adapt to the variation demand of different frequency.
Summary of the invention
In view of this, the present invention provides a kind of alleviation exhaust gas pressure pulse device and the air conditioner using it, main purpose
It is to solve muffler frequency of noise elimination bad adaptability in the prior art, is not able to satisfy compressor and runs each Frequency point and various works
The problem of condition demand.
In order to achieve the above objectives, present invention generally provides following technical solutions:
On the one hand, the embodiment of the present invention provides a kind of alleviation exhaust gas pressure pulse device, including the shell with noise elimination cavity
The import of both body and pressure fluctuation attenuating device with first passage and second channel, the first passage and second channel
It is connected to the noise elimination cavity；There is length difference △ L, the gas for exporting the two between the first passage and the second channel
There are phase differences between the waveform of stream；The alleviation exhaust gas pressure pulse device further includes regulating device；
The regulating device is used to adjust the noise elimination cavity according to the admission pressure for alleviating exhaust gas pressure pulse device
Volume and/or the first passage length and/or the second channel length.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
In alleviation exhaust gas pressure pulse device above-mentioned, optionally, the regulating device is by adjusting the noise elimination cavity
In the intracorporal length of the shell, make the volume-tunable of the noise elimination cavity.
In alleviation exhaust gas pressure pulse device above-mentioned, optionally, the regulating device includes first baffle and elasticity
Part；
The a part in the shell and constituting the cavity wall of the noise elimination cavity is arranged in the first baffle；Described first
Baffle can be moved along the length direction of the shell, so that the volume-tunable of the noise elimination cavity；
The elastic component is used to cooperate with the first baffle, according to the air inlet for alleviating exhaust gas pressure pulse device
Pressure adjusts the first baffle in the position in the shell length direction.
In alleviation exhaust gas pressure pulse device above-mentioned, optionally, the regulating device further includes second baffle, described
The side away from the noise elimination cavity in the shell and being located at the first baffle is arranged in second baffle；
The elastic component is arranged in the shell and between the first baffle and the second baffle；
The second baffle is fixed plate, to provide support to the elastic component when the elastic component is pressurized.
In alleviation exhaust gas pressure pulse device above-mentioned, optionally, both the first passage and the second channel
At least one of be telescoping tube；
Telescoping tube in both the first passage and the second channel and the first baffle cooperate, described the
It stretches under the drive of one baffle, keeps the length of respective channel adjustable.
In alleviation exhaust gas pressure pulse device above-mentioned, optionally, when the regulating device includes second baffle, institute
Stating the telescoping tube in both first passage and the second channel has active segment and fixed section, and the active segment is arranged described
On first baffle, the fixed section is arranged on the second baffle, enables the active segment in the drive of the first baffle
Under the relatively described fixed section it is flexible.
In alleviation exhaust gas pressure pulse device above-mentioned, optionally, the first passage be telescoping tube and linearly
Shape；
The first passage has the first pipeline section and the second pipeline section, and first pipeline section is active segment, second pipeline section
For fixed section；
The first passage is connected to by one end of first pipeline section with the noise elimination cavity, first pipeline section it is another
End is connect by way of grafting with one end of second pipeline section.
In alleviation exhaust gas pressure pulse device above-mentioned, optionally, the second channel is telescoping tube and S-shaped；
The second channel has third pipeline section, the 4th pipeline section, the 5th pipeline section and the 6th pipeline section；
The third pipeline section is active segment and linear, and the 4th pipeline section is fixed section and is in U-shape, the described 5th
Pipeline section is active segment and to be in U-shape, and the 6th pipeline section is fixed section and linear；
The second channel is connected to by one end of the third pipeline section with the noise elimination cavity, the third pipeline section it is another
End connect by way of grafting with one end of the 4th pipeline section, the other end of the 4th pipeline section by way of grafting and
One end of 5th pipeline section connects, the other end of the 5th pipeline section by way of grafting with one end of the 6th pipeline section
Connection.
In alleviation exhaust gas pressure pulse device above-mentioned, optionally, the length difference △ L exports the first passage
Air-flow and the second channel outlet air-flow waveform between there are 180 ° of phase differences.
On the other hand, the embodiment of the present invention also provides a kind of air conditioner comprising described in compressor and any of the above-described kind
Alleviation exhaust gas pressure pulse device；
The exhaust outlet of the compressor is connect with the air inlet for alleviating exhaust gas pressure pulse device.
By above-mentioned technical proposal, the present invention alleviates exhaust gas pressure pulse device and application its air conditioner at least have with
It is lower the utility model has the advantages that
In the technical solution provided by the present invention, due to the volume of noise elimination cavity and/or the length and/or second of first passage
The length in channel can alleviate the admission pressure automatic adjusument of exhaust gas pressure pulse device according to the present invention, to make the present invention
Alleviation exhaust gas pressure pulse device be adapted to the demand of different frequency and different system sizes, to adapt to compressor operation
Each Frequency point and various operating conditions improve the application range that the present invention alleviates exhaust gas pressure pulse device.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of muffler in the prior art；
Fig. 2 is the structural schematic diagram of another muffler in the prior art；
Fig. 3 is a kind of structural schematic diagram for alleviation exhaust gas pressure pulse device that one embodiment of the invention provides；
Fig. 4 be in Fig. 3 A to the schematic diagram of the section structure；
Fig. 5 is the enlarged structure schematic diagram in Fig. 4 at B；
Fig. 6 is the assembling structure of a kind of regulating device that one embodiment of the invention provides and first passage and second channel
Schematic diagram；
Fig. 7 be in Fig. 6 C to the schematic diagram of the section structure；
Fig. 8 is a kind of the schematic diagram of the section structure for first passage that one embodiment of the invention provides；
Fig. 9 is a kind of the schematic diagram of the section structure for second channel that one embodiment of the invention provides.
Appended drawing reference: 1, shell；11, noise elimination cavity；12, fluctuating signal offsets chamber；2, pressure fluctuation attenuating device；21,
One channel；211, the first pipeline section；212, the second pipeline section；22, second channel；221, third pipeline section；222, the 4th pipeline section；223,
5th pipeline section；224, the 6th pipeline section；3, regulating device；31, first baffle；32, elastic component；33, second baffle；100, alleviate row
Atmospheric pressure palsating equipment；101, alleviate the air inlet of exhaust gas pressure pulse device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
As shown in Figures 3 to 5, a kind of alleviation exhaust gas pressure pulse device 100 that one embodiment of the present of invention proposes, packet
Include shell 1, pressure fluctuation attenuating device 2 and regulating device 3.Shell 1 has noise elimination cavity 11.Pressure fluctuation attenuating device 2 has
First passage 21 and second channel 22.The import of 22 the two of first passage 21 and second channel is connected to noise elimination cavity 11.First
There is length difference △ L between channel 21 and second channel 22.The air-flow and second that length difference △ L exports first passage 21 are logical
There are phase differences between the waveform for the air-flow that road 22 exports, and the amplitude of the waveform of rear air-flow is converged with the two that decays.Regulating device 3
Volume and/or first for alleviating the admission pressure adjusting noise elimination cavity 11 of exhaust gas pressure pulse device 100 according to the present invention is logical
The length in road 21 and/or the length of second channel 22.
Specifically when implementing, the gas of compressor discharge alleviates the air inlet of exhaust gas pressure pulse device 100 from the present invention
101 enter noise elimination cavity 11, then flow into first passage 21 and second channel 22 via noise elimination cavity 11 again, what first passage 21 exported
The amplitude that the air-flow that air-flow and second channel 22 export converges rear waveform decays, to reach the effect for alleviating exhaust gas pressure pulse
Fruit.
In the technical solution of above-mentioned offer, due to the volume of noise elimination cavity 11 and/or the length of first passage 21 and/or
The length of second channel 22 can alleviate the admission pressure automatic adjusument of exhaust gas pressure pulse device 100 according to the present invention, and
Alleviation exhaust gas pressure pulse device 100 of the invention is set to be adapted to the demand of different frequency and different system sizes, to adapt to
Each Frequency point of compressor operation and various operating conditions, improve present invention alleviation exhaust gas pressure pulse device 100 applies model
It encloses.
In one example, above-mentioned regulating device 3 can make to disappear by adjusting length of the noise elimination cavity 11 in shell 1
The volume-tunable of the operatic tunes 11.It can certainly make its volume-tunable by the internal diameter of noise elimination cavity 11.
In the example that regulating device 3 adjusts the length of noise elimination cavity 11, as shown in Figures 5 to 7, regulating device 3 be can wrap
Include first baffle 31 and elastic component 32.The a part in shell 1 and constituting the cavity wall of noise elimination cavity 11 is arranged in first baffle 31.
First baffle 31 can be moved along the length direction of shell 1, so that the volume-tunable of noise elimination cavity 11.Elastic component 32 is used for and first gear
Plate 31 cooperates, to adjust first baffle 31 in 1 length direction of shell according to the admission pressure for alleviating exhaust gas pressure pulse device 100
Position.Specifically, when admission pressure, that is, compressor pressure at expulsion that the present invention alleviates exhaust gas pressure pulse device 100 increases
When big, the pressure inside noise elimination cavity 11 increases, and can so push first baffle 31 to move, increase the volume of noise elimination cavity 11,
So as to improve the effect that noise elimination cavity 11 relieves stress pulsation.Conversely, when the present invention alleviates exhaust gas pressure pulse device 100
When admission pressure, that is, compressor pressure at expulsion reduces, the pressure inside noise elimination cavity 11 reduces, and elastic component 32 pushes first baffle
31 movements, reduce the volume of noise elimination cavity 11, to adapt to the demand of slightly lower frequency pressure fluctuation.
Elastic component 32 above-mentioned can be spring or flexible rubber etc..
Further, as shown in Figures 5 to 7, regulating device 3 above-mentioned can also include second baffle 33.Second baffle
33 are arranged in shell 1 and are located at the side away from noise elimination cavity 11 of first baffle 31.Elastic component 32 be arranged in shell 1 and
Between first baffle 31 and second baffle 33.Second baffle 33 be fixed plate, with elastic component 32 be pressurized when to elastic component
32 provide support.
Further, in order to enable regulating device 3 to alleviate the air inlet pressure of exhaust gas pressure pulse device 100 according to the present invention
Power adjusts the length of aforementioned first passage 21 and/or the length of second channel 22, as shown in Figures 5 to 7, aforementioned first passage
At least one of both 21 and second channel 22 are telescoping tube.Telescoping tube in 22 the two of first passage 21 and second channel with
First baffle 31 cooperates, and to stretch under the drive of first baffle 31, keeps the length of respective channel adjustable.Such as first passage 21
For make when making the adjustable length of first passage 21,22 telescoping tube of second channel when telescoping tube the length of second channel 22 it is adjustable,
Or the length that first passage 21 and second channel 22 both make when being telescoping tube is adjustable, so that alleviation of the invention be made to be vented
Pressure pulsation device 100 can further adapt to the demand of different frequency and different system sizes, further to adapt to compressor
Each Frequency point of operation and various operating conditions, further improve present invention alleviation exhaust gas pressure pulse device 100 applies model
It encloses.
Further, as shown in Figures 5 to 7, when regulating device 3 includes second baffle 33, above-mentioned 21 He of first passage
Telescoping tube in 22 the two of second channel has active segment and fixed section.Active segment is arranged on first baffle 31, and fixed section is set
It sets on second baffle 33, since second baffle 33 is fixed plate, to enable active segment phase under the drive of first baffle 31
It is flexible to fixed section, and then keep the length of respective channel adjustable.
At one specifically using in example, as shown in figure 8, first passage above-mentioned 21 is telescoping tube and linear.
First passage 21 has the first pipeline section 211 and the second pipeline section 212.First pipeline section 211 is active segment, and the second pipeline section 212 is to fix
Section.First passage 21 is connected to by one end of the first pipeline section 211 with noise elimination cavity 11.The other end of first pipeline section 211 and the second pipe
Section 212 one end connected by way of grafting, such as the first pipeline section 211 the other end be inserted into the second pipeline section 212 one end, or
The other end of the first pipeline section 211 is inserted into one end of the second pipeline section of person 212.When the first pipeline section 211 is under the drive of first baffle 31
When movement, opposite second pipeline section 212 of the first pipeline section 211 is flexible, to keep the length of first passage 21 adjustable.
In one example, as shown in figure 9, second channel above-mentioned 22 is telescoping tube and S-shaped.Second channel 22 has
There are third pipeline section 221, the 4th pipeline section 222, the 5th pipeline section 223 and the 6th pipeline section 224.Third pipeline section 221 is active segment and is in
Linear.4th pipeline section 222 is fixed section and is in U-shape.5th pipeline section 223 is active segment and is in U-shape.6th pipeline section 224 is
Fixed section and linear.Second channel 22 is connected to by one end of third pipeline section 221 with noise elimination cavity 11.Third pipeline section 221
The other end connect by way of grafting with one end of the 4th pipeline section 222, for example the other end of third pipeline section 221 can be inserted
The other end of one end insertion third pipeline section 221 of one end or the 4th pipeline section 222 of the 4th pipeline section 222.4th pipeline section 222 it is another
One end is connect by way of grafting with one end of the 5th pipeline section 223, for example the other end of the 4th pipeline section 222 is inserted into the 5th pipeline section
The other end of the 4th pipeline section 222 is inserted into 223 one end or one end of the 5th pipeline section 223.The other end of 5th pipeline section 223 passes through
The mode of grafting is connect with one end of the 6th pipeline section 224, for example the other end of the 5th pipeline section 223 is inserted into the one of the 6th pipeline section 224
The other end of the 5th pipeline section 223 is inserted into end or one end of the 6th pipeline section 224.When first baffle 31 moves, first baffle 31
Third pipeline section 221 and the movement of the 5th pipeline section 223 are driven, to keep the length of second channel 22 adjustable.
Further, aforementioned first passage 21 goes out first passage 21 with the length difference △ L of second channel 22 between the two
There are 180 ° of phase differences between the waveform for the air-flow that the air-flow and second channel 22 of mouth export.
By above-mentioned setting, length difference Δ L ensure that air-flow flows through the time of first passage 21 and air-flow flows through second and leads to
There are the time difference between the time in road 22, which is preferably 0.5 × N × T (T is an air-flow period, and N is natural number),
This such time difference can flow through between first passage 21 and the air-flow of second channel 22 there are 180 ° of phase differences, and such two
The peaks and troughs of stock air-flow are overlapped, and so that it is cancelled out each other optimal with the effect of damping capacity, are utilized phase official post to reach
Gas carries out the purpose of self abatement.
The embodiment of the present invention also provides a kind of air conditioner comprising the alleviation exhaust in compressor and any of the above-described example
Pressure pulsation device 100.The exhaust outlet of compressor is connect with the air inlet 101 for alleviating exhaust gas pressure pulse device 100.
In the above-described embodiments, air conditioner provided by the invention is due to being arranged above-mentioned alleviation exhaust gas pressure pulse device 100
Reason, therefore can be effectively reduced air-flow to the impact of system pipeline, reduce the vibration and noise of system.
The working principle of the invention and preferred embodiment is described below.
The present invention solves following technical problem: 1, solving and transmit sound caused by being pulsed in the prior art by air conditioning pressure
And pipeline stress problem.2, it solves muffler frequency of noise elimination bad adaptability in the prior art, it is each not to be able to satisfy compressor operation
The problem of a Frequency point and various duty requirements.
Alleviation exhaust gas pressure pulse device 100 of the invention is changed using system pressure itself, is realized noise elimination cavity 11 and is disappeared
Sound passage length it is adjustable, solve the problems, such as compressor air-discharging pulsation, it can be achieved that alleviating and eliminating the arteries and veins of internal system pressure
It is dynamic.
Technical solution of the present invention utilizes the 180 ° of alleviation exhausts of 11 volume change of noise elimination cavity and fluctuating signal phase difference simultaneously
Pressure fluctuation realizes that two kinds of same device relieves stress the effect of pulsation.
The length of noise elimination cavity 11 is adjustable in technical solution of the present invention, and generates 180 ° of phase difference of first passage 21 and
The length in two channels 22 is also adjustable, and the two regulative mode is all in accordance with pressure at expulsion automatic adjusument, reliability with higher.?
The design for passing through regulating device 3 in technical solution of the present invention, realizes 11 length of noise elimination cavity, first passage 21 and second channel 22
Length simultaneously it is adjustable.First passage 21 uses straight channel, and second channel 22 is designed as S row of channels.
1, single unit system brief introduction.
As shown in Fig. 3 to 5, the present invention alleviates exhaust gas pressure pulse device 100 mainly comprising shell 1, first passage 21, the
Two channels 22 and regulating device 3.Regulating device 3 will be divided into pressure fluctuation alleviation chamber noise elimination cavity 11 i.e. above-mentioned inside shell 1
Chamber 12 is offset with two column phase differences, 180 ° of fluctuating signals.Regulating device 3 includes: first baffle 31, second baffle 33 and elastic component
32.The elastic component 32 can be spring structure etc..First baffle 31 can be under the action of refrigerant pressure, along 1 inner wall of shell
Length direction is mobile.Second baffle 33 is fixed plate, immovable.The length of first passage 21 and second channel 22 can be adjusted
Section.
It is mainly logical by the adjusting of 11 size of noise elimination cavity shown in Fig. 4 and first that apparatus of the present invention relieve stress pulsation
What the adjusting of 22 length of road 21 and second channel was realized.
The big minor adjustment of pressure fluctuation alleviation chamber, that is, aforementioned noise elimination cavity 11: the size of pressure fluctuation alleviation chamber as shown in Figure 4
Adjustable, regulative mode mainly passes through the realization that moves left and right of the first baffle 31 of regulating device 3.First baffle 31 can be with
Under the action of refrigerant pressure, the length direction along 1 inner wall of shell is moved.When refrigerant pressure at expulsion increases, first baffle 31
The distance that moves right increases, and pressure fluctuation alleviation chamber, that is, noise elimination cavity 11 volume is bigger, relieves stress panting action and is more obvious (body
Product is bigger, and it is better to relieve stress pulsation effect).
First passage 21 and second channel 22 relieve stress pulsation principle: the refrigerant in noise elimination cavity 11, by first baffle 31
Left side is by first passage 21 and the flow direction of second channel 22 right side, according to the length difference of both first passage 21 and second channel 22
To change pressure fluctuation and noise signal phase by first passage 21 and second channel 22.When first baffle 31 is pressed
When power is mobile, the length of 22 the two of first passage 21 and second channel can change, and length difference is △ L, passes through second
Channel 22 is delayed by the signal of 0.5 × N × T (T is an air-flow period, and N is natural number), with the signal by first passage 21
180 ° of phase phase difference, two column signals are cancelled out each other, and realization relieves stress pulsation purpose.
2, key components and parts design.
1) design of first passage 21.
As shown in figure 8, first passage 21 includes the left side channel 1_, that is, the first pipeline section 211 above-mentioned and the channel right side 1_, that is, aforementioned
212 two parts of the second pipeline section, one end of the first pipeline section 211, adjustable first passage 21 are inserted into one end of the second pipeline section 212
Length.
2) design of second channel 22.
As shown in figure 9, second channel 22 is designed using S type, obviously distinguished with the length of first passage 21.Second channel
22 mainly comprising the left side channel 2_, that is, third above-mentioned pipeline section 221, the 4th pipeline section 222 i.e. above-mentioned of channel 2_U type pipe 1, channel 2_U
Totally four parts form for the 5th pipeline section 223 i.e. above-mentioned of type pipe 2, the channel right side 2_, that is, the 6th pipeline section 224 above-mentioned, second channel 22
Length is also adjustable.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of alleviation exhaust gas pressure pulse device including the shell (1) with noise elimination cavity (11) and has first passage
(21) and the pressure fluctuation attenuating device (2) of second channel (22), both the first passage (21) and second channel (22)
Import is connected to the noise elimination cavity (11)；There is length difference △ between the first passage (21) and the second channel (22)
L, both makes between the waveform of the air-flow exported that there are phase differences；It is characterized in that, the alleviation exhaust gas pressure pulse device is also
Including regulating device (3)；
The regulating device (3) is used to adjust the noise elimination cavity according to the admission pressure for alleviating exhaust gas pressure pulse device
(11) length of volume and/or the first passage (21) and/or the length of the second channel (22).
2. alleviating exhaust gas pressure pulse device as described in claim 1, which is characterized in that
The regulating device (3) makes the noise elimination cavity by adjusting length of the noise elimination cavity (11) in the shell (1)
(11) volume-tunable.
3. alleviating exhaust gas pressure pulse device as claimed in claim 2, which is characterized in that
The regulating device (3) includes first baffle (31) and elastic component (32)；
First baffle (31) setting is interior in the shell (1) and constitutes a part of the cavity wall of the noise elimination cavity (11)；Institute
Stating first baffle (31) can move along the length direction of the shell (1), so that the volume-tunable of the noise elimination cavity (11)；
The elastic component (32) is used to cooperate with the first baffle (31), according to the alleviation exhaust gas pressure pulse device
Admission pressure adjusts the first baffle (31) in the position of the shell (1) length direction.
4. alleviating exhaust gas pressure pulse device as claimed in claim 3, which is characterized in that
The regulating device (3) further includes second baffle (33), the second baffle (33) setting in the shell (1) and
Positioned at the side away from the noise elimination cavity (11) of the first baffle (31)；
Elastic component (32) setting is in the shell (1) and is located at the first baffle (31) and the second baffle
(33) between；
The second baffle (33) is fixed plate, to provide branch to the elastic component (32) when the elastic component (32) are pressurized
Support.
5. alleviation exhaust gas pressure pulse device as described in claim 3 or 4, which is characterized in that
At least one of both described first passage (21) and the second channel (22) are telescoping tube；
Telescoping tube and the first baffle (31) in the first passage (21) and the second channel (22) the two cooperate, with
It stretches under the drive of the first baffle (31), keeps the length of respective channel adjustable.
6. alleviating exhaust gas pressure pulse device as claimed in claim 5, which is characterized in that when the regulating device (3) includes
When second baffle (33), the telescoping tube in the first passage (21) and the second channel (22) the two has active segment and consolidates
Determine section, the active segment is arranged on the first baffle (31), and the fixed section is arranged on the second baffle (33), makes
The active segment can stretch the relatively described fixed section under the drive of the first baffle (31).
7. alleviating exhaust gas pressure pulse device as claimed in claim 6, which is characterized in that
The first passage (21) is telescoping tube and linear；
The first passage (21) has the first pipeline section (211) and the second pipeline section (212), and first pipeline section (211) is activity
Section, second pipeline section (212) are fixed section；
The first passage (21) is connected to by one end of first pipeline section (211) with the noise elimination cavity (11), and described first
The other end of pipeline section (211) is connect by way of grafting with one end of second pipeline section (212).
8. alleviation exhaust gas pressure pulse device as claimed in claims 6 or 7, which is characterized in that
The second channel (22) is telescoping tube and S-shaped；
The second channel (22) has third pipeline section (221), the 4th pipeline section (222), the 5th pipeline section (223) and the 6th pipeline section
(224)；
The third pipeline section (221) is active segment and linear, and the 4th pipeline section (222) is fixed section and is in U-shape, institute
Stating the 5th pipeline section (223) is active segment and to be in U-shape, and the 6th pipeline section (224) is fixed section and linear；
The second channel (22) is connected to by one end of the third pipeline section (221) with the noise elimination cavity (11), the third
The other end of pipeline section (221) is connect by way of grafting with one end of the 4th pipeline section (222), the 4th pipeline section
(222) the other end is connect by way of grafting with one end of the 5th pipeline section (223), the 5th pipeline section (223)
The other end is connect by way of grafting with one end of the 6th pipeline section (224).
9. such as alleviation exhaust gas pressure pulse device described in any item of the claim 1 to 8, which is characterized in that
The wave of the air-flow of air-flow and the second channel (22) outlet that the length difference △ L exports the first passage (21)
There are 180 ° of phase differences between shape.
10. a kind of air conditioner, which is characterized in that including alleviation exhaust pressure described in compressor and any one of claims 1 to 9
Power palsating equipment；
The exhaust outlet of the compressor is connect with the air inlet for alleviating exhaust gas pressure pulse device.
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| CN201810790623.1A CN109026602B (en) | 2018-07-18 | 2018-07-18 | Device for relieving exhaust pressure pulsation and air conditioner using same |
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| CN201810790623.1A CN109026602B (en) | 2018-07-18 | 2018-07-18 | Device for relieving exhaust pressure pulsation and air conditioner using same |
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| CN109026602B CN109026602B (en) | 2023-06-13 |
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Cited By (1)
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| CN114777303A (en) * | 2022-04-14 | 2022-07-22 | 青岛海尔空调器有限总公司 | Control method and device for air conditioner, air conditioner and storage medium |
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| CN203595247U (en) * | 2013-09-24 | 2014-05-14 | Tcl空调器(中山)有限公司 | Silencer and inverter air conditioner |
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| CN109026602B (en) | 2023-06-13 |
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