CN209370006U - A kind of compressor self-interference type runner silencing cavity, compressor pump and compressor - Google Patents
A kind of compressor self-interference type runner silencing cavity, compressor pump and compressor Download PDFInfo
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- CN209370006U CN209370006U CN201821875726.XU CN201821875726U CN209370006U CN 209370006 U CN209370006 U CN 209370006U CN 201821875726 U CN201821875726 U CN 201821875726U CN 209370006 U CN209370006 U CN 209370006U
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- compressor
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- silencing cavity
- runner
- flow passage
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Abstract
The utility model provides a kind of compressor self-interference type runner silencing cavity, compressor pump and compressor, is related to the technical field of compressor, solves the larger technical problem of the pneumatic noise of compressor in the prior art in use.The compressor self-interference type runner silencing cavity includes the lower grate flow channel being opened on cylinder and the flange or partition adjacent with cylinder upper/lower terminal, is also provided with the silencing cavity runner communicated with lower grate flow channel on the cylinder and the flange or partition adjacent with cylinder upper/lower terminal.The utility model is used to cut down the pneumatic noise in compressor use process, further decreases the pneumatic noise of compressor, it is also possible to obtain better user experience.
Description
Technical field
The utility model relates to Compressor Technology fields, more particularly, to a kind of self-interference type runner noise reduction of compressor
Chamber, compressor pump and compressor.
Background technique
Compressor is a kind of driven fluid machinery that low-pressure gas is promoted to high pressure gas, is the heart of refrigeration system
It is dirty.After existing compressor channel silencing cavity or the setting of exhaust noise silencing chamber, it is not able to satisfy noise reduction requirement, the gas in use process still
It is more larger to flow noise, influences user experience.
Applicants have discovered that at least there is following technical problem in the prior art:
The pneumatic noise of compressor in the prior art in use is larger.
Utility model content
The purpose of this utility model is to provide a kind of compressor self-interference type runner silencing cavity, compressor pump and pressures
Contracting machine, to solve the larger technical problem of the pneumatic noise of compressor existing in the prior art in use.This is practical
Many technical effects elaboration as detailed below that optimal technical scheme in many technical solutions of novel offer can be generated.
To achieve the above object, the utility model provides following technical scheme:
A kind of compressor provided by the utility model self-interference type runner silencing cavity, including be opened in cylinder and with gas
Lower grate flow channel on cylinder upper/lower terminal adjacent flange or partition, the cylinder and the method adjacent with cylinder upper/lower terminal
The silencing cavity runner communicated with lower grate flow channel is also provided on blue or partition.
It is optional or preferred, the cross-sectional area phase of the cross-sectional area and silencing cavity runner of the lower grate flow channel
Deng.
Optional or preferred, the silencing cavity runner includes upper flow passage, middle part runner and lower flow passage;Wherein,
The upper flow passage is opened on the flange or partition adjacent with cylinder upper end;
The middle part runner be opened in on cylinder;
The lower flow passage is opened on the flange or partition adjacent with cylinder lower end;
The upper flow passage, middle part runner and lower flow passage are successively end to end, and upper flow passage and lower flow passage is another
One end is communicated with lower grate flow channel respectively.
Optional or preferred, the lower grate flow channel is cylindrical channel;The middle part runner is cylindrical channel.
Optional or preferred, the diameter of the middle part runner is equal with the diameter of lower grate flow channel;The upper flow passage
It is equal with the diameter of lower grate flow channel with the width of lower flow passage.
Optional or preferred, the upper flow passage is by being provided with the lower end surface with cylinder upper end adjacent flanges or partition
On groove one and cylinder upper surface between the cavity that constitutes.
Optional or preferred, the lower flow passage is by being provided with the upper surface with cylinder lower end adjacent flanges or partition
On groove two and cylinder lower end surface between the cavity that constitutes.
Optional or preferred, the groove one is linear type groove or arcuate furrow, and the groove two is linear type ditch
Slot or arcuate furrow.
Optional or preferred, the groove one and groove two are linear type groove.
It is optional or preferred, the lower grate flow channel opened up on the cross section one of the flange or partition adjacent with cylinder upper end
It is located at upper flow passage using the center of the cross section one as on the same annulus in the center of circle;The flange adjacent with cylinder lower end or every
The lower grate flow channel and lower flow passage opened up on the cross section two of plate is located at using the center of the cross section two as the same of the center of circle
On annulus.
Optional or preferred, the compressor is single cylinder compressor, duplex cylinder compressor or three cylinder compressors.
Optional or preferred, the compressor is single cylinder compressor, and the upper flow passage, lower flow passage are opened in respectively
On the upper flange adjacent with cylinder upper/lower terminal, lower flange.
Optional or preferred, the compressor is duplex cylinder compressor or three cylinder compressors, the upper flow passage, lower part stream
Road is opened in the upper spacer adjacent with cylinder upper/lower terminal, on lower clapboard respectively.
A kind of compressor pump provided by the utility model, including above-mentioned compressor self-interference type runner silencing cavity.
A kind of compressor provided by the utility model, including above-mentioned compressor self-interference type runner silencing cavity.
Based on the above-mentioned technical proposal, the utility model embodiment at least can produce following technical effect:
(1) compressor provided by the utility model self-interference type runner silencing cavity, due to increasing new silencing cavity stream
Road, during compressor operation, the silencing cavity runner newly increased can cut down pneumatic noise, further decrease compressor
Pneumatic noise, it is also possible to obtain better user experience.
(2) compressor pump provided by the utility model, including above-mentioned compressor self-interference type runner silencing cavity, by
In increasing new silencing cavity runner, during compressor operation, the silencing cavity runner newly increased can cut down air-flow and make an uproar
Sound further decreases the pneumatic noise of compressor, it is also possible to obtain better user experience.
(3) compressor provided by the utility model, including above-mentioned compressor self-interference type runner silencing cavity, due to increasing
Adding new silencing cavity runner, during compressor operation, the silencing cavity runner newly increased can cut down pneumatic noise, into
The pneumatic noise of one step reduction compressor, it is also possible to obtain better user experience.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of single cylinder compressor silencing cavity in the prior art;
Fig. 2 is the structural schematic diagram of the utility model embodiment 1;
Fig. 3 is the assembling schematic diagram that upper flange and cylinder are assembled to form upper flow passage in the utility model embodiment 1;
Fig. 4 is the structural schematic diagram of upper flange in the embodiment of the present invention 1;
Fig. 5 is the structural schematic diagram of duplex cylinder compressor silencing cavity in the prior art;
Fig. 6 is the structural schematic diagram of the utility model embodiment 2;
Fig. 7 is the assembling schematic diagram that upper spacer and cylinder are assembled to form upper flow passage in the utility model embodiment 2;
Fig. 8 is the structural schematic diagram of compressor pump in the prior art;
Fig. 9 is the structural schematic diagram (structural schematic diagram of compressor pump in embodiment 4) of the utility model embodiment 3.
In figure: 1, cylinder;2, lower grate flow channel;3, silencing cavity runner;301, upper flow passage;302, middle part runner;303,
Lower flow passage;4, upper flange;5, lower flange;6, upper spacer;7, lower clapboard;8, bottom silencer;9, groove one;10, crankshaft;11,
Upper muffler.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
As shown in figs. 1-9:
Arrow direction in Fig. 1, Fig. 2, Fig. 4 and Fig. 5 is airflow direction.
Embodiment 1:
The utility model provides a kind of compressor self-interference type runner silencing cavity, including be opened in cylinder 1 and with
Lower grate flow channel 2 on 1 upper/lower terminal of cylinder adjacent flange or partition, the cylinder 1 and with 1 upper/lower terminal phase of cylinder
The silencing cavity runner 3 communicated with lower grate flow channel 2 is also provided on adjacent flange or partition.
Compressor provided by the utility model self-interference type runner silencing cavity, due to increasing new silencing cavity runner 3,
During compressor operation, the silencing cavity runner 3 newly increased can cut down pneumatic noise, further decrease the gas of compressor
Flow noise, it is also possible to obtain better user experience, the arrow direction in Fig. 2 is airflow direction, and fraction can be from lower exhaust
Runner 2 enters silencing cavity runner 3, and by returning to lower grate flow channel 2 after silencing cavity runner 3, sound wave can be offset because interfering with each other,
It can be thus achieved and pneumatic noise is cut down by silencing cavity runner 3.
As optional embodiment, the cross-sectional area of the lower grate flow channel 2 and the cross section face of silencing cavity runner 3
Product is equal;Since the cross-sectional area of the lower grate flow channel 2 is equal with the cross-sectional area of silencing cavity runner 3, gas is being reduced
While flowing noise, other adverse effects will not be generated.
As optional embodiment, the silencing cavity runner 3 includes upper flow passage 301, middle part runner 302 and lower part
Runner 303;Wherein,
The upper flow passage 301 is opened on the flange or partition adjacent with 1 upper end of cylinder;
The middle part runner 302 be opened in on cylinder 1;
The lower flow passage 303 is opened on the flange or partition adjacent with 1 lower end of cylinder;
The upper flow passage 301, middle part runner 302 and lower flow passage 303 are successively end to end, and 301 He of upper flow passage
The other end of lower flow passage 303 is communicated with lower grate flow channel 2 respectively.
As optional embodiment, the lower grate flow channel 2 is cylindrical channel;The middle part runner 302 is cylinder
Shape channel.
As optional embodiment, the diameter d of the middle part runner 302 is equal with the diameter d of lower grate flow channel 2;Institute
The width m for stating upper flow passage 301 and lower flow passage 303 is equal with the diameter d of lower grate flow channel 2.
As optional embodiment, the upper flow passage 301 is by being provided with and 1 upper end adjacent flanges of cylinder or partition
Lower end surface on groove 1 and cylinder 1 upper surface between the cavity that constitutes.
As optional embodiment, the lower flow passage 303 is by being provided with and 1 lower end adjacent flanges of cylinder or partition
Upper surface on groove two and cylinder 1 lower end surface between the cavity that constitutes.
As optional embodiment, the groove 1 is linear type groove or arcuate furrow, and the groove two is straight line
Type groove or arcuate furrow (preferably linear type groove).
In the present embodiment, the groove 1 and groove two are linear type groove, and the cross of groove 1 and groove two
Cross sectional shape is rectangle;Certainly, the cross-sectional shape of the groove 1 and groove two is not limited to institute in the utility model
Disclosed structure can be arbitrary shape, for the ease of processing, preferably linear type groove, and groove 1 and groove two
Cross-sectional shape is rectangle.
As optional embodiment, the calculating formula of length of the groove 1 or groove two specifically:
F=c* (2n-1)/(AB+CD+BC-AD);Wherein,
F is noise reduction centre frequency;
C is refrigerant exhaust flow rate;
The natural number that n is 1 or more;
AB be lower 2 center of grate flow channel to 302 center of middle part runner distance (i.e. shown in Fig. 2, from A point to B point away from
From);
CD be 302 center of middle part runner to lower 2 center of grate flow channel distance (i.e. shown in Fig. 2, from C point to D point away from
From);
BC is the length of middle part runner 302 (i.e. shown in Fig. 2, from B point to the distance of C point);
AD is the length for the lower grate flow channel 2 being provided on cylinder 1 (i.e. shown in Fig. 2, from A point to the distance of D point);
And the length of the groove 1 is equal with the distance at lower 2 center of grate flow channel to 302 center of middle part runner;It is described
The length of groove two is equal with the distance at 302 center of middle part runner to lower 2 center of grate flow channel;It in the present embodiment, is with straight
The calculating that groove 1 and two length of groove are carried out for line style groove, when groove 1 and groove two are arcuate furrow or other shapes
It is equally the length and the distance at lower 2 center of grate flow channel to 302 center of middle part runner by the groove 1 when the groove of shape
It is equal;The length of the groove two is with the distance at 302 center of middle part runner to lower 2 center of grate flow channel equal to be calculated, opens up
?.
As optional embodiment, the n is 1,2 or 3 (preferably 1).
As optional embodiment, the lower row that is opened up on the cross section one of the flange adjacent with 1 upper end of cylinder or partition
Flow channel 2 and upper flow passage 301 are located at using the center of the cross section one as on the same annulus in the center of circle;With 1 lower end phase of cylinder
The lower grate flow channel 2 and lower flow passage 303 opened up on the cross section two of adjacent flange or partition is located at the cross section two
Center is on the same annulus in the center of circle, at this point, the groove 1 and groove two are arcuate furrow.
As optional embodiment, the compressor is single cylinder compressor, duplex cylinder compressor or three cylinder compressors;Generally
For, as long as compressor has lower grate flow channel 2, can be disappeared using the compressor self-interference type runner in the utility model
Sound chamber cuts down pneumatic noise using the silencing cavity runner 3 newly increased, to further decrease the pneumatic noise of compressor.
In the present embodiment, the compressor is single cylinder compressor, and the upper flow passage 301, lower flow passage 303 are distinguished
It is opened in the upper flange 4 adjacent with 1 upper/lower terminal of cylinder, on lower flange 5.
In the present embodiment, the calculation method of the length CD of groove 1 and groove two is as follows:
If noise reduction centre frequency f is 4KHz, refrigerant exhaust flow rate c is about 200m/s, takes n=1;
Calculate to obtain AB+CD+BC-AD=50mm;
AB=CD, BC=AD are taken, then AB=CD=25mm.
Due to for single cylinder compressor, it can opened up respectively on the lower end surface of upper flange 4 and the upper surface of lower flange 5
The cross-sectional area of groove 1 and groove two, groove 1 and groove two is equal to the cross-sectional area of lower grate flow channel 2.
Certainly, the length of the groove 1 and groove two is not limited to length disclosed in the utility model embodiment, only
There is silencing cavity runner 3, so that it may cut down pneumatic noise using the silencing cavity runner 3 newly increased, to further decrease compression
The pneumatic noise of machine.
Embodiment 2:
The present embodiment 2 and the difference of embodiment 1 are: the compressor is duplex cylinder compressor, the upper flow passage
301, lower flow passage 303 is opened in the upper spacer 6 adjacent with 1 upper/lower terminal of cylinder, on lower clapboard 7 respectively.
In the present embodiment, the groove 1 and groove two are arcuate furrow, and groove 1 and groove two is transversal
Face shape is rectangle.
Embodiment 3:
A kind of compressor pump provided by the utility model, including upper muffler 11, bottom silencer 8, crankshaft 10 and on
State the compressor self-interference type runner silencing cavity in embodiment 1.
Compressor pump provided by the utility model, including above-mentioned compressor self-interference type runner silencing cavity, due to
New silencing cavity runner 3 is increased, during compressor operation, the silencing cavity runner 3 newly increased can cut down air-flow and make an uproar
Sound further decreases the pneumatic noise of compressor, it is also possible to obtain better user experience;And due to the lower grate flow channel 2
Cross-sectional area it is equal with the cross-sectional area of silencing cavity runner 3, while reducing pneumatic noise, others will not be generated
Adverse effect.
Embodiment 4:
A kind of compressor provided by the utility model, including upper muffler 11, bottom silencer 8, crankshaft 10 and above-mentioned reality
Apply the compressor self-interference type runner silencing cavity in example 1.
Compressor provided by the utility model, including above-mentioned compressor self-interference type runner silencing cavity, due to increasing
New silencing cavity runner 3, during compressor operation, the silencing cavity runner 3 newly increased can cut down pneumatic noise,
Further decrease the pneumatic noise of compressor, it is also possible to obtain better user experience;And due to the cross of the lower grate flow channel 2
Area of section is equal with the cross-sectional area of silencing cavity runner 3, while reducing pneumatic noise, will not generate other bad
It influences.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (16)
1. a kind of compressor self-interference type runner silencing cavity, including be opened in cylinder (1) and with cylinder (1) upper/lower terminal
Lower grate flow channel (2) on adjacent flange or partition, it is characterised in that: the cylinder (1) and with cylinder (1) upper and lower two
Hold the silencing cavity runner (3) for being also provided on adjacent flange or partition and communicating with lower grate flow channel (2).
2. compressor according to claim 1 self-interference type runner silencing cavity, it is characterised in that: the lower grate flow channel
(2) cross-sectional area is equal with the cross-sectional area of silencing cavity runner (3).
3. compressor according to claim 2 self-interference type runner silencing cavity, it is characterised in that: the silencing cavity runner
It (3) include upper flow passage (301), middle part runner (302) and lower flow passage (303);Wherein,
The upper flow passage (301) is opened on the flange or partition adjacent with cylinder (1) upper end;
The middle part runner (302) be opened in cylinder (1) on;
The lower flow passage (303) is opened on the flange or partition adjacent with cylinder (1) lower end;
The upper flow passage (301), middle part runner (302) and lower flow passage (303) are successively end to end, and upper flow passage
(301) it is communicated respectively with lower grate flow channel (2) with the other end of lower flow passage (303).
4. compressor according to claim 3 self-interference type runner silencing cavity, it is characterised in that: the lower grate flow channel
It (2) is cylindrical channel;The middle part runner (302) is cylindrical channel.
5. compressor according to claim 4 self-interference type runner silencing cavity, it is characterised in that: the middle part runner
(302) diameter is equal with the diameter of lower grate flow channel (2);The width of the upper flow passage (301) and lower flow passage (303) with
The diameter of lower grate flow channel (2) is equal.
6. compressor according to claim 5 self-interference type runner silencing cavity, it is characterised in that: the upper flow passage
It (301) is upper with groove one (9) and the cylinder (1) on the lower end surface of cylinder (1) upper end adjacent flanges or partition by being provided with
The cavity constituted between end face.
7. compressor according to claim 6 self-interference type runner silencing cavity, it is characterised in that: the lower flow passage
It (303) is by being provided with the lower end surface with groove two and cylinder (1) on the upper surface of cylinder (1) lower end adjacent flanges or partition
Between the cavity that constitutes.
8. compressor according to claim 7 self-interference type runner silencing cavity, it is characterised in that: the groove one (9)
For linear type groove or arcuate furrow, the groove two is linear type groove or arcuate furrow.
9. compressor according to claim 8 self-interference type runner silencing cavity, it is characterised in that: the groove one (9)
It is linear type groove with groove two.
10. compressor according to claim 8 self-interference type runner silencing cavity, it is characterised in that: with cylinder (1) upper end
The lower grate flow channel (2) and upper flow passage (301) opened up on the cross section one of adjacent flange or partition is located at described transversal
The center in face one is on the same annulus in the center of circle;It is opened up on the cross section two of the flange or partition adjacent with cylinder (1) lower end
Lower grate flow channel (2) and lower flow passage (303) are located at using the center of the cross section two as on the same annulus in the center of circle.
11. compressor according to claim 1 or 2 self-interference type runner silencing cavity, it is characterised in that: the compressor
For single cylinder compressor, duplex cylinder compressor or three cylinder compressors.
12. the self-interference type runner silencing cavity of the compressor according to any one of claim 3-10, it is characterised in that:
The compressor is single cylinder compressor, duplex cylinder compressor or three cylinder compressors.
13. compressor according to claim 12 self-interference type runner silencing cavity, it is characterised in that: the compressor is
Single cylinder compressor, the upper flow passage (301), lower flow passage (303) are opened in adjacent with cylinder (1) upper/lower terminal respectively
On upper flange (4), lower flange (5).
14. compressor according to claim 12 self-interference type runner silencing cavity, it is characterised in that: the compressor is
Duplex cylinder compressor or three cylinder compressors, the upper flow passage (301), lower flow passage (303) be opened in respectively with cylinder (1) on,
On the adjacent upper spacer (6) in lower both ends, lower clapboard (7).
15. a kind of compressor pump, it is characterised in that: used certainly including the compressor as described in any one of claim 1-14
Interference-type runner silencing cavity.
16. a kind of compressor, it is characterised in that: including the compressor self-interference as described in any one of claim 1-14
Type runner silencing cavity.
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CN201821875726.XU CN209370006U (en) | 2018-11-13 | 2018-11-13 | A kind of compressor self-interference type runner silencing cavity, compressor pump and compressor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109209832A (en) * | 2018-11-13 | 2019-01-15 | 珠海凌达压缩机有限公司 | A kind of self-interference type runner silencing cavity, compressor pump and compressor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109209832A (en) * | 2018-11-13 | 2019-01-15 | 珠海凌达压缩机有限公司 | A kind of self-interference type runner silencing cavity, compressor pump and compressor |
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