CN1566704A - Noise reducing device for vortex type compressor - Google Patents

Noise reducing device for vortex type compressor Download PDF

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Publication number
CN1566704A
CN1566704A CN 03130197 CN03130197A CN1566704A CN 1566704 A CN1566704 A CN 1566704A CN 03130197 CN03130197 CN 03130197 CN 03130197 A CN03130197 A CN 03130197A CN 1566704 A CN1566704 A CN 1566704A
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CN
China
Prior art keywords
noise
whirlpool dish
quiet whirlpool
refrigerant
tap hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 03130197
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Chinese (zh)
Inventor
金正熏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Tianjin Appliances Co Ltd
Original Assignee
LG Electronics Tianjin Appliances Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Tianjin Appliances Co Ltd filed Critical LG Electronics Tianjin Appliances Co Ltd
Priority to CN 03130197 priority Critical patent/CN1566704A/en
Publication of CN1566704A publication Critical patent/CN1566704A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a noise reducing device of scroll compressor, comprising a machine base with a sealed inner space which combining the cylinder shaped sealed container to the top cover by the opening part of top and bottom end, a dynamic scroll disk fixed in the casing making rotary motion, a static scroll disk capable of compressing the secondary refrigerant gas and discharge it by the through outlet holes in the center part matching with the dynamic scroll disk; a noise preventing part combining with the upper part of the static scroll disk and the outlet holes, and an inverted valve formed for switching the upper through part of the noise preventing part. The invention reduced the pulse noise and the inverted valve switching noise.

Description

The noise reducing device of scroll compressor
Technical field
The invention relates to the structure of scroll compressor, the noise reducing device of more detailed a kind of scroll compressor of saying so.
Background technique
As shown in Figure 1, 2, scroll compressor in the past (100) is the device that forms the inner sealing space, and the press part (130) that is disposed at scroll compressor (100) internal compression refrigerant; The motor part (120) of driving force is provided for press part (130); The main frame (114) of motor (120) can be supported in the both sides up and down that are disposed at motor part (120), and auxilliary framework (115) constitutes.
Seal container (110) is by the cylinder shell (111) of both ends open up and down, the loam cake (112) that combines with the field up and down of housing (111), and the support (113) that combines with housing (111) field, bottom is formed.
A side at housing (111) connects suction pipe (116), and connects a side of its loam cake (112), is the high pressure refrigerant of discharge press part (130) compression, and is provided with discharge tube (117).
The stator (121) of the inner motor (120) that is provided with of housing (111), be disposed at stator (121) inside and make its rotatable rotor (122), rotor (122) is combined as a whole with the axle center and rotation with it, possesses the running shaft that a side is eccentric part (124) (123).
Press part (130) is the quiet scrollwork (133) by volute, can discharge the central part of compression refrigerant, by connecting the tap hole (137) that forms, quiet whirlpool dish (131) in the inner top fixed configurations of device (110), with the work in coordination space of compression refrigerant of quiet scrollwork (133), the moving scrollwork (134) that possesses volute, with the quiet whirlpool dish (131) of eccentric part (124) relative movement of running shaft (123), the movable orbiting scroll (132) that forms compression refrigerant constitutes.
On the one hand, limit the discharge of quiet whirlpool dish (131) and press, make to be compressed and to press to be higher than by the refrigerant that tap hole (137) is discharged and set pressure, meanwhile, possess the check valve (140) that prevents the refrigerant reverse counterflow that is discharged from, be fixed on the top periphery of quiet whirlpool dish (131).High pressure one side of the high pressure refrigerant that discharge by tap hole the inside that makes seal container (110) and and then suction pipe import low pressure one side of low pressure refrigerant, the two cuts apart delimitation by dividing plate (118).
Check valve (140) is by being to open and close the valve block (141) of quiet whirlpool dish (131) tap hole and being that the banking stop (142) that limits valve block (141) switching scope is formed.
Do not have the symbol 125 of explanation to be lubricant oil in the drawing, 127 is muff, and 135 are O shape ring.
According to this formation, scroll compressor in the past (100) is to produce the stator (121) of motor (120) and the electromagnetic force between the rotor (122) by the power supply that is identified, the electromagnetic force that takes place makes rotor (122) rotation, the running shaft (123) that centre of rotor connects combination links with rotor (122), and the movable orbiting scroll (132) that combines with the eccentric part (124) of running shaft (123) is turned round, by the refrigerant of suction pipe (116) towards the low voltage section suction, between the quiet whirlpool dish (131) that suction overlaps and the quiet scrollwork (133) and moving scrollwork (134) of movable orbiting scroll (132), discharge towards high pressure one side by the tap hole (137) of quiet whirlpool dish (131) then.
At this moment, the pressure reduction of the refrigerant of discharging by tap hole (137) becomes increasing, and the pulse noise of discharging refrigerant also becomes increasing.Especially, when opening and closing the valve block (141) of tap hole (137), the top pulse noise that sends that hits banking stop (142) or quiet whirlpool dish (131) becomes increasing, and this is a problem that produces.Then, according to the discharge noise that pressure reduction took place of refrigerant, mainly be that loam cake (112) and the discharge tube that combines with loam cake (112) UNICOM are communicated to discharge tube (117) with the housing (111) by the high pressure field.This also is a problem that reduces the goods reliability.
Summary of the invention
The present invention discharges the pulse noise of refrigerant in order to solve compressor, and the switching noise problem of check valve, and a kind of noise reducing device of scroll compressor is provided.
To achieve the above object, the noise reducing device of scroll compressor, comprise in order to possess airtight inner space, the opening portion sealing of seal container upper and lower end cylindraceous is incorporated into loam cake and support, be fixed in enclosure interior and carry out the movable orbiting scroll of rotation motion, and work in coordination with after the refrigerant compression, the quiet whirlpool dish of discharging by the top tap hole that connects with central part; The tap hole that combines with the upside of quiet whirlpool dish possesses top and bottom perforation combination, and the noise that its inside has certain space prevents member, prevents the formed check valve of top breakthrough part of member for the switching noise.
Described device, its noise prevent to possess the shockproof member that prevents that noise and vibrations from conducting mutually between member and the quiet whirlpool dish.
Described device, its shockproof member is the rubber washer that possesses predetermined radius.
She Ji the present invention like this reduces the pulse noise of generation and the switching noise of check valve, thereby makes it possess the effect that improves the goods reliability.
Description of drawings
Fig. 1 is the vertical section structure figure of scroll compressor in the past.
Fig. 2 is that in the past scroll compressor partly enlarges vertical section structure figure.
Fig. 3 is the vertical section structure figure of scroll compressor of the present invention.
Fig. 4 is that the part of scroll compressor of the present invention enlarges vertical section structure figure.
Fig. 5 is the partial cross section structural representation of noise reducing device of the present invention.
Fig. 6 is a shockproof element structure schematic representation in the noise reducing device of the present invention.
It below is explanation about the drawing major component.
1 seal container, 10 scroll compressors
20 motors, 21 stators
23 rotating shafts of 22 rotors
30 press parts, 31 quiet whirlpool dishes
32 movable orbiting scrolls, 37 tap holes
50 noises reduce by 51 times through holes of member
Through hole on the 52 sympathetic response spaces 53
60 shockproof members
Embodiment
Following with reference to drawings and Examples to the detailed description of the invention.
Shown in Fig. 3-6, scroll compressor is the inner housing (11) that forms seal space, be disposed at the press part (30) of the internal compression refrigerant of seal container (10), provide the motor (20) of driving force at press part (30), be disposed at motor (20) upper and lower sides and make its running shaft (23) of supporting motor (20) allow its revolvable main frame (14) and auxilliary framework (15) formation.
Seal container (10) is that the top of seal casinghousing (11) is to make its loam cake that combines (12), and the bottom of seal casinghousing (11) is that its support that combines (13) is formed by the open housing cylindraceous (11) of last lower section.
Connect suction pipe (16) in housing (11) one sides, and connect a side of loam cake (12), the high pressure refrigerant of compression in the press part (30) is discharged, and discharge by the discharge tube (17) that connects.
Motor (20) in the housing (11) is by the stator (21) of configuration, be disposed at stator (21) inside and make its rotary rotor (22), can rotate and be pressed into and combine with the axle center of rotor (22) becomes one, and be formed by the running shaft that forms eccentric part (24) (23).
Press part (30) is the quiet scrollwork (33) by volute, and possess can discharge compression refrigerant connect the tap hole (37) that forms with central authorities, the quiet whirlpool dish in the top of fixed configurations in seal container (10) (31) possesses the moving scrollwork (34) that forms the volute of refrigerant compression volume with the corresponding cooperation of the quiet scrollwork (33) of quiet whirlpool dish (31); Combine quiet in relative rotation whirlpool dish (31) with the eccentric part (24) of running shaft (23), thereby form the movable orbiting scroll (32) of compression refrigerant.
The refrigerant impact noise takes place in the refrigerant pressure reduction of discharging owing to tap hole (37), so coil the noise reduction member (50) of the upside of (31) in conjunction with promising reduction check valve noise in quiet whirlpool, this member is made up of the check valve (40) that is fixed in noise reduction member (50) upside.
Noise reduces the inside that member (50) cording is decided the tubular of thickness fully, and a part of refrigerant expands pressurization after tap hole (37) inflow; Have the sympathetic response space (52) that makes its certain volume of empathizing simultaneously; This member up/down perforation, and get in touch up and down with tap hole (37), the up/down perforation hole (53) (51) that connects formed.
Check valve (40) be fixed in noise reduce member (50) above, the tap hole (37) of through hole in the switching (53), and the valve block of opening the valve amount (42) that limits its tap hole (37).
In addition, reduce between member (50) and the quiet whirlpool dish (31) noise that takes place for partition when possessing the discharge refrigerant and the shockproof member (60) of vibrations at noise.Shockproof member (60) is at high temperature can seal noise and vibrations thereof, make its keep elastic force rib type rubber and resin material.
Do not have the symbol 25 of explanation to be lubricant oil in the drawing, 27 is muff, and 35 are O shape ring.
According to such formation, the discharge noise reducing device of scroll compressor of the present invention is to be made between the stator (21) of motor (20) and the rotor (22) by the power supply of confirming to produce electromagnetic force, electromagnetic force makes rotor (22) rotation, centre of rotor connects and to be incorporated into running shaft (23) and rotor (22) interlock mutually, and the movable orbiting scroll (32) that combines with the eccentric part (24) of running shaft is turned round, by refrigerant that suction pipe (16) is sucked low voltage section and the quiet whirlpool dish (31) that overlaps, and after sucking between the moving scrollwork (34) of movable orbiting scroll (32) and the quiet scrollwork (33), make compression and discharge from the high pressure side by the tap hole (37) of quiet whirlpool dish.
At this moment, the high pressure refrigerant that tap hole (37) by quiet whirlpool dish (31) compresses, flow in the following through hole (51) that noise reduces member, process is the refrigerant of through hole (51) inflow down, sympathetic response is done in the sympathetic response space (52) of portion within it, thereby reduces the noise that flows by Huo Lumu-hertz principle.
In addition, warp is the refrigerant of through hole (51) inflow down, in sympathetic response space (52) inside bigger than following through hole (51) cross section, form with puffing is discharged through last through hole (53), this compares with directly being discharged by exhaust port (37) high pressure of seal container (10), open and close through hole (53) because of reducing pressure reduction, thereby can reduce the switching noise of check valve.
In addition, quiet whirlpool dish (31) and noise reduce member (50) when joining, the shockproof member that installs and fixes in the centre, reduce compression noise and the vibrations that member (50) can prevent quiet whirlpool dish (31) conduction by noise, promptly prevent to conduct the pulse noise of refrigerant and the mutual conduction that check valve opens and closes noise.

Claims (3)

1. the noise reducing device of a scroll compressor, comprise in order to possess airtight inner space, the opening portion sealing of seal container upper and lower end cylindraceous is incorporated into loam cake and support, be fixed in enclosure interior and carry out the movable orbiting scroll of rotation motion, and work in coordination with after the refrigerant compression, the quiet whirlpool dish of discharging by the tap hole that connects with top central part; It is characterized in that the tap hole that combines with the upside of quiet whirlpool dish possesses top and bottom and connects combination, the noise that its inside has certain space prevents member, prevents the formed check valve of top breakthrough part of member for opening and closing noise.
2. device according to claim 1 is characterized in that noise prevents between member and the quiet whirlpool dish, possesses to prevent noise and the vibrations shockproof member of conduction mutually.
3. device according to claim 2 is characterized in that shockproof member is the rubber washer that possesses predetermined radius.
CN 03130197 2003-06-17 2003-06-17 Noise reducing device for vortex type compressor Pending CN1566704A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03130197 CN1566704A (en) 2003-06-17 2003-06-17 Noise reducing device for vortex type compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03130197 CN1566704A (en) 2003-06-17 2003-06-17 Noise reducing device for vortex type compressor

Publications (1)

Publication Number Publication Date
CN1566704A true CN1566704A (en) 2005-01-19

Family

ID=34469575

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03130197 Pending CN1566704A (en) 2003-06-17 2003-06-17 Noise reducing device for vortex type compressor

Country Status (1)

Country Link
CN (1) CN1566704A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105736321A (en) * 2016-04-18 2016-07-06 瑞智(青岛)精密机电有限公司 Novel compressor top cover capable of increasing pulse times
WO2020001379A1 (en) * 2018-06-29 2020-01-02 艾默生环境优化技术(苏州)有限公司 Damping apparatus for exhaust valve in compressor, exhaust valve assembly, and compressor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105736321A (en) * 2016-04-18 2016-07-06 瑞智(青岛)精密机电有限公司 Novel compressor top cover capable of increasing pulse times
WO2020001379A1 (en) * 2018-06-29 2020-01-02 艾默生环境优化技术(苏州)有限公司 Damping apparatus for exhaust valve in compressor, exhaust valve assembly, and compressor
US11493040B2 (en) 2018-06-29 2022-11-08 Emerson Climate Technologies (Suzhou) Co., Ltd. Damping apparatus for exhaust valve in compressor, exhaust valve assembly, and compressor

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C02 Deemed withdrawal of patent application after publication (patent law 2001)
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