CN1896540A - Noise absorber of vortex compressor - Google Patents
Noise absorber of vortex compressor Download PDFInfo
- Publication number
- CN1896540A CN1896540A CN 200510082867 CN200510082867A CN1896540A CN 1896540 A CN1896540 A CN 1896540A CN 200510082867 CN200510082867 CN 200510082867 CN 200510082867 A CN200510082867 A CN 200510082867A CN 1896540 A CN1896540 A CN 1896540A
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- pressing chamber
- scroll compressor
- noise absorber
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Abstract
This invention is a kind of noise reducing device of scroll compressor. The scroll compressor includes columnar outer casing; fixed scroll setting inside of the said outer casing. The bottom of the fixed scroll has spiral-fixing lap; rotating scroll which has rotating lap. The rotating lap and fixing lap form compressing chamber together; driving part which connects eccentrically to rotating scroll and drives the rotating scroll; changeable buffering part at one side wall of the said compressing chamber. The volume of the changeable buffering part changes with the pressure of the said compressing part. The volume of compressing chamber can instantly increase when the compressing part is compressed. Thus, this invention can reduce the noise generated by compressing.
Description
Technical field
The present invention relates to a kind of noise absorber of scroll compressor, particularly relate to a kind of noise absorber (APPARATUS FOR SURPRESSING NOISE OF ASCROLL COMPRESSOR) that is reduced in the scroll compressor of the noise that takes place by situation following time of spinning reel and the fixedly pressing chamber generation overcompression that constitutes of spool.
Background technique
The working procedure of scroll compressor is as follows in the ordinary course of things, the spinning reel that is rotated motion by crankshaft has spiral-shaped rotation lap, fixedly the spiral-shaped fixedly lap of spool forms spiral-shaped pressing chamber together together, above-mentioned spinning reel reduces the volume of above-mentioned pressing chamber gradually when carrying out eccentric the rotation along with the rotation of crankshaft, thereby the fluid to pressing chamber inside compresses, and when reaching certain compression ratio compressed fluid is discharged by exhaust port.
Suctions-compression-discharge process connected naturally and can obtain stable moment when aforesaid scroll compressor obtained high relatively compression ratio than the compression function of other kind, so the refrigeration agent that is used to aircondition etc. widely compresses.Below, for the facility that illustrates, the fluid of the compressed object gaseous refrigerant by aircondition is illustrated, but the present invention is defined thus.
Aforesaid scroll compressor as shown in Figure 1, it includes the cylindrical housing 101 that is used to discharge the discharge tube 105 of compressed high-pressure refrigerant and sucks the suction pipe 104 of refrigeration agent from the outside, central axis direction along above-mentioned shell 101 is provided with crankshaft 113, and above-mentioned crankshaft 113 is rotatably adhered to the main frame 116 and lower frame 117 supports of support respectively by the inwall of shell 101 by upper and lower end.And, be fixed with rotor 115 at the outer circumferential face of above-mentioned crankshaft 113, above-mentioned rotor 115 from the stator 114 that is fixed on shell 101 inwalls accept electromagnetic force and when being rotated rotation drive crankshaft 113.
The inside of shell 101 has fixedly spool 106 and spinning reel 110, and above-mentioned spinning reel 110 is arranged on the downside of said fixing spool 106 and carries out off-centre when rotatablely moving, with fixing spool 106 compressed refrigerants.Said fixing spool 106 is fixedly installed on shell 101 and it forms hyperbaric chamber 102 at upside, forms low pressure chamber 103 at its downside, forms spiral-shaped fixedly lap 107 in the bottom.Above-mentioned spinning reel 110 has the spiral-shaped rotation She face 111 that forms spiral-shaped pressing chamber 112 with the fixedly lap 107 of said fixing spool 106 in the above, and combines with the eccentricity of central axis of crankshaft 113 in the upper end of crankshaft 113.
Above-mentioned crankshaft 113 is that rotor rotated 115 is driven in rotation by the stator 114 that is formed on shell 101 sidewalls with by stator 114, the spinning reel 110 that combines with crankshaft 113 front ends along with the rotation of crankshaft 113 carries out off-centre and rotatablely moves, compress the refrigeration agent of pressing chamber 112 inside simultaneously, the discharge route 109 that possesses by fixing spool 106 is discharged to hyperbaric chamber 102 again.
And, take place under the situation of overcompression at pressing chamber 112, can noise can take place owing to overcompression, in order to remove above-mentioned overcompression phenomenon, shown in " A " part of Fig. 2, form above-mentioned pressing chamber 112 bottoms spinning reel 110 above be formed with and accommodate because the buffer part 120 of the pressure oscillation that causes of above-mentioned overcompression, when compression process, be used to strengthen the volume of pressing chamber 112.
But the buffer part 120 of above-mentioned prior art as shown in Figures 2 and 3, owing to forming certain area between the rotation lap 111 that forms in spinning reel 110 bottoms and so-called " fixed " of the degree of depth constitutes.
Therefore, above-mentioned buffer part 120 can be removed the overcompression phenomenon, and under specific contractive condition, has the effect of improving noise, improving compression performance, but because its area and the degree of depth form with a certain size, its volume is fixed, and therefore can not obtain the low effect that subtracts of sufficient noise under the condition of high-pressure ratio or variable pressure.
This shows that above-mentioned existing scroll compressor obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that scroll compressor exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing scroll compressor exists, the inventor is based on being engaged in this type of product specification manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, noise absorber in the hope of the scroll compressor of founding a kind of new structure, can improve general existing scroll compressor, make it have more practicability.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective of the noise absorber existence of existing scroll compressor, and provide a kind of noise absorber of scroll compressor of new structure, technical problem to be solved is to make its noise absorber that can reduce the abnormal sound that produces owing to generation overcompression under high-pressure ratio or the variable pressure conditions, thereby is suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.The noise absorber of a kind of scroll compressor that proposes according to the present invention, it comprises: columnar shell; Fixedly install the noise absorber of formula compressor, scroll compressor is in the inside of above-mentioned shell, and the bottom has the fixedly lane axle of spiral-shaped fixedly lap; Possess in the above the spinning reel that together forms the rotation lap of pressing chamber with the fixedly lap of said fixing spool is arranged; With above-mentioned spinning reel prejudicially in conjunction with and the drive portion of rotary driving spool is characterized in that:
On the side example wall of above-mentioned pressing chamber, also comprise the variable buffering portion that its volume changes along with the pressure of above-mentioned pressing chamber.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The noise absorber of aforesaid scroll compressor, wherein said variable buffering portion possesses in the madial wall of above-mentioned spinning reel one side.
The noise absorber of aforesaid scroll compressor, wherein said variable buffering portion possesses in the madial wall of said fixing spool one example.
The noise absorber of aforesaid scroll compressor, wherein said variable buffering portion comprises: the space portion that forms with certain depth on said fixing spool that is used to form above-mentioned pressing chamber or spinning reel; Be arranged at the inlet of above-mentioned space portion and make the mobile pressure device that is subjected to of the variable volume of above-mentioned space portion along with the variation in pressure of above-mentioned pressing chamber the mobile position time.
The noise absorber of aforesaid scroll compressor, wherein said move is subjected to pressure device by, the compression plate that can be provided with up or down at above-mentioned space portion, and above-mentioned compression plate is had elastic force ground support floor spring for the bottom of above-mentioned space portion.
The noise absorber of aforesaid scroll compressor wherein saidly moves the inlet be subjected to pressure device to be used to cover above-mentioned space portion, and is made of the barrier film of flexible material.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technological scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present invention thes contents are as follows:
Scroll compressor according to the noise absorber of scroll compressor of the present invention comprises: columnar shell; Be fixedly installed on the inside of above-mentioned shell, and the bottom has the fixedly spool of spiral-shaped fixedly lap; Possess in the above the spinning reel that together forms the rotation lap of pressing chamber with the fixedly lap of said fixing spool is arranged; With above-mentioned spinning reel prejudicially in conjunction with and the drive portion of rotary driving spool is characterized in that, on a side sidewall of above-mentioned pressing chamber, also comprise the variable buffering portion that its volume changes along with the pressure of above-mentioned pressing chamber.Above-mentioned variable buffering portion can be arranged on a side sidewall fixedly spool or spinning reel that forms pressing chamber.
The present invention proposes a kind of noise absorber of scroll compressor, and above-mentioned variable buffering portion comprises: at spinning reel or the fixing space portion that forms with certain depth of the side bottom in the spool; Be arranged on the inlet of above-mentioned space portion, along with the variation in pressure of above-mentioned pressing chamber to the inner mobile position of space portion, thereby change the mobile pressure device that is subjected to of above-mentioned space portion volume.
The present invention also proposes a kind of noise absorber of scroll compressor, and above-mentioned moving comprised by pressure device: the compression plate that is provided with movably in above-mentioned space portion; There is elastic force ground to support floor spring for the bottom of above-mentioned space portion above-mentioned compression plate.
In addition, the present invention proposes a kind of noise absorber of scroll compressor in addition, and above-mentioned move is subjected to pressure device to be used to cover the inlet of above-mentioned space portion and is provided with, and is made of the barrier film 34 of flexible material.
Noise absorber of the present invention as mentioned above, the pressure of pressing chamber is reached under the situation more than the setting pressure, move the pressure be subjected to pressure device to be compressed the chamber and to the space portion medial movement, change the volume of space portion, simultaneously also change the volume of pressing chamber, thereby reduced because the noise that overcompression causes.
By technique scheme, make the noise absorber of scroll compressor of the present invention have tangible technological progress, the present invention has following advantage at least:
According to noise absorber of the present invention as mentioned above, make the pressure of pressing chamber greatly to setting pressure when above in pressing chamber generation overcompression, move and to be subjected to pressure device to be compressed the pressure of chamber and to change the space portion volume to the space portion medial movement, also changed the volume of pressing chamber, thereby reduced because the noise that overcompression causes.
In sum, the noise absorber of the scroll compressor of special construction of the present invention, it has above-mentioned many advantages and use value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it all has bigger improvement on product structure or function, have large improvement technically, and produced handy and practical effect, and more existing scroll compressor has the multinomial effect of enhancement, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the longitdinal cross-section diagram of scroll compressor with noise absorber of prior art.
Fig. 2 is the sectional view that amplifies the prior art noise absorber.
Fig. 3 has the planimetric map that the part of spinning reel of the buffer part of prior art is amplified.
Fig. 4 is the longitdinal cross-section diagram with scroll compressor of noise absorber of the present invention.
Fig. 5 is the sectional view of enlarged view 4 " B ".
Fig. 6 is the 1st embodiment's the accompanying drawing of expression noise absorber of the present invention, has illustrated the pressure working state figure under normal circumstances of pressing chamber.
Fig. 7 is the working state figure of noise absorber of the present invention, has illustrated the working state figure of pressure under the overcompression state of pressing chamber.
Fig. 8 a is the 2nd embodiment's of a noise absorber of the present invention accompanying drawing, has shown the pressure working state figure under normal circumstances of pressing chamber.
Fig. 8 b is other embodiment's of a noise absorber of the present invention accompanying drawing, has illustrated the working state figure of pressure under the overcompression state of pressing chamber.
The explanation of main symbol in the accompanying drawing
1: shell 2: low pressure chamber
3: suction pipe 4: hyperbaric chamber
5: discharge tube 10: fixing spool
11: fixedly lap 13: discharge route
20: spinning reel 21: the rotation lap
23: pressing chamber 25: crankshaft
26: rotor 27: stator
30: variable buffering portion 31: space portion
32: compression plate 33: spring
34: barrier film
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of noise absorber, structure, feature and the effect thereof of the scroll compressor that foundation the present invention is proposed, describe in detail as after.
Fig. 4 is the longitdinal cross-section diagram that has shown the scroll compressor with noise absorber of the present invention, Fig. 5 is the sectional view of enlarged view 4 " B ", Fig. 6 is the 1st embodiment's the accompanying drawing of expression noise absorber of the present invention, has illustrated the pressure working state figure under normal circumstances of pressing chamber.
Scroll compressor comprises as shown in Figure 4: have suction pipe 3 that sucks refrigeration agent from the outside and the cylindrical housing 1 of discharging the discharge tube 5 of high-pressure refrigerant; Possess spiral-shaped pressing chamber 23 is arranged, and be discharged to the spool assembly body in hyperbaric chamber 4 behind the low pressure refrigerant boil down to high-pressure refrigerant with above-mentioned low pressure chamber 2; Be used to drive the drive portion of said reel assembly body.
The spool assembly body is close to the fixedly spool 10 that is fixed on shell 1 madial wall by its outer circumferential face and is constituted at the spinning reel 20 that the downside of said fixing spool 10 is oppositely arranged, and said fixing lane axle 10 has spiral-shaped fixedly lap 11 in the bottom.Spinning reel 20 is provided with accordingly with the fixedly lap 11 of said fixing spool 10 and forms the rotation lap 21 of pressing chamber 23 as shown in Figure 5.
And, as shown in Figure 6, above-mentioned spinning reel 20 combines with the upper end of the crankshaft 25 that is provided with along shell 1 central axis direction is eccentric, and the rotor 26 that is fixed on crankshaft 25 outer circumferential faces is delivered to rotating force by the stator 27 that is fixed on above-mentioned shell 1 madial wall and is rotated.
That is, rotor 26 is subjected to the electromagnetic force of stator 27 and when rotating when adding power supplys for stator 27, rotary crank axle 25, and the spinning reel 20 that makes off-centre be incorporated into crankshaft 25 front ends carries out off-centre and rotatablely moves.Rotatablely move along with spinning reel 20 carries out off-centre, the low pressure refrigerant of pressing chamber 23 is discharged to hyperbaric chamber 4 by discharge route 13 after fixedly being compressed into high pressure between the rotation lap 21 of the fixedly lap 11 of spool 10 and spinning reel 20 again.
On the other hand, as shown in Figure 4, possess by the variable buffering portion 30 of variable volume along with the pressure of above-mentioned pressing chamber 23 in the bottom of above-mentioned pressing chamber 23.The overcompression phenomenons take place and the pressure of pressing chamber 23 when rising at pressing chamber 23 in above-mentioned variable buffering portion 30, increase volume and accommodate because the pressure that overcompression causes increases, thereby can reduce the noise that causes owing to overcompression.
Above-mentioned variable buffering portion such as Fig. 5 and shown in Figure 6, it comprises: be formed on the space portion 31 that the bottom of the above-mentioned spinning reel 20 of above-mentioned pressing chamber 23 forms with certain depth; Be arranged on the inlet of above-mentioned space portion 31 and along with the pressure of above-mentioned pressing chamber 31 increases and changes the mobile pressure device that is subjected to of above-mentioned space portion 31 volumes when moving up and down the position.
Above-mentioned move be subjected to pressure device an embodiment as shown in Figure 6, have the spring 33 of elastic force ground support to constitute by the compression plate 32 that can be provided with up or down with above-mentioned compression plate 32 for the bottom of above-mentioned space portion 31 in above-mentioned space portion 31 inside.
Thereby, normally compress and pressure maintains under the situation of certain pressure at pressing chamber 23, as shown in Figure 6,, make the compression plate 32 and the bottom of pressing chamber 23 keep level in the power F of the spring 33 of lower support compression plate 32 and the mutual balance of P of pressing chamber 23.
When the overcompression phenomenon taking place at pressing chamber 23, that is to say undue rising of pressure of pressing chamber 23 and when the situation of so-called overcompression taking place or the situation of pressure oscillation taking place as shown in Figure 7, the pressure P of pressing chamber 23 is greater than the power F of the spring 33 of supporting compression plate 32, make compression plate 32 descend to space portion 31 inboards according to the pressure P of pressing chamber 32 and the difference of spring force F, making increases the volume of space portion 31, thereby accommodates because the pressure that overcompression causes.Thereby in the moment that overcompression takes place pressing chamber 23, the volume moment increase of pressing chamber 23 and reduction are because the noise that overcompression causes.
On the other hand, mobile other embodiment who is subjected to pressure device is shown in Fig. 8 a and Fig. 8 b, and the inlet of above-mentioned space portion 31 is pasted with the barrier film 34 of flexible material.
In this embodiment, pressing chamber 23 is being kept under the situation of normal pressure, shown in Fig. 8 a, barrier film 34 almost flatly blocks the inlet of space portion 31, up to pressing chamber 23 the overcompression phenomenons take place and make the pressure of pressing chamber 23 undue rise or variable situation under, shown in Fig. 8 b, barrier film 34 is compressed the pressure of chamber 23 and strengthens the volume of the space portion 31 that is communicated with pressing chamber 23 in the time of the internal modification of space portion 31, makes it accommodate the pressure that causes owing to overcompression.In the moment that compression takes place pressing chamber 23, the volume moment increase of pressing chamber 23, thus can reduce because the noise that above-mentioned overcompression causes.
In the foregoing description, only the situation that variable buffering portion is arranged on spinning reel 20 bottoms that constitute pressing chamber 23 1 side sidewalls describes, but the present invention can be arranged on the sidewall or the bottom of the fixedly spool 10 of other sidewall that constitutes pressing chamber.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (6)
1, a kind of noise absorber of scroll compressor is characterized in that it comprises: columnar shell (1); Fixedly install the noise absorber of formula compressor, scroll compressor is in the inside of above-mentioned shell (1), and the bottom has the fixedly spool (10) of spiral-shaped fixedly lap (11); Possess in the above the spinning reel (20) that together forms the rotation lap (21) of pressing chamber (23) with the fixedly lap (11) of said fixing spool (10) is arranged; With above-mentioned spinning reel (20) prejudicially in conjunction with and the drive portion of rotary driving spool (20) is characterized in that:
On a side sidewall of above-mentioned pressing chamber (23), also comprise the variable buffering portion that its volume changes along with the pressure of above-mentioned pressing chamber (23).
2, the noise absorber of scroll compressor according to claim 1 is characterized in that wherein said variable buffering portion possesses in the madial wall of above-mentioned spinning reel (20) one sides.
3, the noise absorber of scroll compressor according to claim 1 is characterized in that wherein said variable buffering portion possesses in the madial wall of said fixing spool (10) one sides.
4, according to the noise absorber of claim 2 or 3 described scroll compressors, it is characterized in that wherein said variable buffering portion (30) comprising: go up the space portion (31) that forms with certain depth at said fixing spool (10) that is used to form above-mentioned pressing chamber (23) or spinning reel (20); Be arranged at the inlet of above-mentioned space portion (31) and make the mobile pressure device that is subjected to of the variable volume of above-mentioned space portion (31) along with the variation in pressure of above-mentioned pressing chamber (23) mobile position time.
5, the noise absorber of scroll compressor according to claim 4, it is characterized in that wherein said move be subjected to pressure device by, the compression plate (32) that can be provided with up or down at above-mentioned space portion (31) has elastic force ground to support floor spring (33) for the bottom of above-mentioned space portion (31) above-mentioned compression plate (32).
6, the noise absorber of scroll compressor according to claim 4 is characterized in that the wherein said inlet that is subjected to pressure device to be used to cover above-mentioned space portion (31) that moves, and is made of the barrier film (34) of flexible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510082867 CN1896540A (en) | 2005-07-11 | 2005-07-11 | Noise absorber of vortex compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510082867 CN1896540A (en) | 2005-07-11 | 2005-07-11 | Noise absorber of vortex compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1896540A true CN1896540A (en) | 2007-01-17 |
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ID=37609143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510082867 Pending CN1896540A (en) | 2005-07-11 | 2005-07-11 | Noise absorber of vortex compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1896540A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103180614A (en) * | 2010-09-21 | 2013-06-26 | 江森自控科技公司 | Manual selective attenuator |
| US9022756B2 (en) | 2008-04-04 | 2015-05-05 | Lg Electronics Inc. | Scroll compressor |
-
2005
- 2005-07-11 CN CN 200510082867 patent/CN1896540A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9022756B2 (en) | 2008-04-04 | 2015-05-05 | Lg Electronics Inc. | Scroll compressor |
| CN103180614A (en) * | 2010-09-21 | 2013-06-26 | 江森自控科技公司 | Manual selective attenuator |
| CN103180614B (en) * | 2010-09-21 | 2014-08-27 | 江森自控科技公司 | Manual selective attenuator |
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Open date: 20070117 |