WO2012023771A2 - Ensemble plaque pour soupape de compresseur - Google Patents

Ensemble plaque pour soupape de compresseur Download PDF

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Publication number
WO2012023771A2
WO2012023771A2 PCT/KR2011/005977 KR2011005977W WO2012023771A2 WO 2012023771 A2 WO2012023771 A2 WO 2012023771A2 KR 2011005977 W KR2011005977 W KR 2011005977W WO 2012023771 A2 WO2012023771 A2 WO 2012023771A2
Authority
WO
WIPO (PCT)
Prior art keywords
valve plate
compressor
plate assembly
suction
lead
Prior art date
Application number
PCT/KR2011/005977
Other languages
English (en)
Korean (ko)
Other versions
WO2012023771A3 (fr
Inventor
이건호
김기범
이태진
이승원
Original Assignee
두원공과대학교
주식회사 두원전자
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 두원공과대학교, 주식회사 두원전자 filed Critical 두원공과대학교
Publication of WO2012023771A2 publication Critical patent/WO2012023771A2/fr
Publication of WO2012023771A3 publication Critical patent/WO2012023771A3/fr

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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
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1066—Valve plates

Definitions

  • the present invention relates to a valve plate assembly of a compressor, and more particularly to a valve plate assembly of a compressor for preventing the noise of the compressor due to the self-vibration of the lid.
  • variable capacity compressor that can change the discharge amount of the refrigerant to obtain a cooling capacity without being regulated by the rotational speed of the engine has been used a lot.
  • variable displacement compressors such as swash plate type, rotary type and scroll type.
  • the swash plate type compressor In the swash plate type compressor, the swash plate installed so that the inclination angle is variable in the crank chamber rotates according to the rotational motion of the drive shaft, and the piston reciprocates by the rotational motion of the swash plate. In this case, the refrigerant in the suction chamber is sucked into the cylinder by the reciprocating motion of the piston, compressed, and then discharged into the discharge chamber. Will be controlled.
  • the operation of the capacity control valve is calculated by a control unit in which a signal such as the detected engine speed, the temperature inside or outside the vehicle, the evaporator temperature, or the like is incorporated by the CPU, and based on the result of the calculation, the current By sending it to an electromagnetic coil.
  • valve plate assembly is interposed between the housing and the cylinder block.
  • the valve plate assembly 1 includes a valve plate 2 having a suction port 2a and a lid 3a for opening and closing the suction port 2a. It consists of a valve seat (3) having a.
  • the lid 3a is connected to the valve seat 3 by a slender neck 3b having elastic force.
  • the suction port 2a is opened and closed by the lid 3a to suck the refrigerant.
  • the lid 3a of the valve plate assembly 1 causes self-exited vibration.
  • the self vibration of the lid 3a is generated by the intrinsic frequency (intrinsic frequency) of the lid 3a, which is usually 200 to 300 Hz. In other words, it corresponds to the frequency audible region 200 ⁇ 6000Hz.
  • the lid 3a is autonomously generated to generate noise due to vibration.
  • the lid 3a does not have a separate supporting means for supporting the lid 3a while the suction port 2a is opened, vibration also occurs due to the movement of the suction refrigerant.
  • the present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide a valve plate assembly of a compressor to lower the natural frequency of the lead to prevent noise of the compressor due to vibration.
  • valve plate assembly of the compressor of the present invention for achieving the above object, the valve plate assembly of the compressor interposed between the cylinder block and the housing, the valve plate is formed with a suction port; A suction lead having a plurality of guide protrusions formed to open and close the suction port; A first guide groove formed in the cylinder block so as to correspond to the guide protrusion; And a front gasket interposed between the cylinder block and the suction lead.
  • the guide protrusion is preferably formed along the edge of the suction lead.
  • the front gasket is preferably formed with a second guide groove corresponding to the guide projection of the suction lead.
  • a plurality of stoppers are formed at an end portion of the first guide groove formed in the cylinder block to correspond to the guide protrusion formed on the suction lead and limit the displacement of the suction lead.
  • the stopper is preferably formed symmetrically.
  • the suction lead is connected to the valve seat by the neck, the neck portion is preferably formed to be thin to lower the natural frequency of the suction lead.
  • the suction lead is preferably formed of a single piece sliding in the penetration direction of the suction port.
  • the suction lead is preferably translated in the direction of penetration of the suction port.
  • the front gasket is preferably formed to have a thickness that can secure the displacement space according to the sliding of the suction lead.
  • a plurality of stoppers are formed at an end portion of the first guide groove formed in the cylinder block to correspond to the guide protrusion formed on the suction lead and limit the displacement of the suction lead.
  • the stopper and the suction lead is preferably in surface contact.
  • the stopper is preferably formed symmetrically.
  • each suction port facing the suction lead and formed in the valve plate is preferably formed of a plurality of through holes.
  • the plurality of through holes is preferably formed symmetrically.
  • valve plate is formed with a discharge port, the discharge lead for opening and closing the discharge port is preferably provided, the discharge lead is preferably supported by the retainer.
  • a rear gasket may be interposed between the valve plate and the housing.
  • valve plate assembly of the compressor according to the present invention, by narrowing the neck connecting the suction lead and the valve seat or removing the neck lowers the natural frequency of the suction lead to prevent noise of the compressor due to the vibration of the suction lead It works.
  • FIG. 1 is an exploded perspective view showing a valve plate assembly according to the prior art.
  • FIG. 2 is a front view of FIG. 1.
  • FIG. 3 is a longitudinal sectional view showing a structure of a variable displacement compressor according to the present invention.
  • FIG. 4 is an exploded perspective view illustrating the valve plate assembly according to the first embodiment of FIG. 3.
  • FIG. 5 is a perspective view illustrating a coupled state of FIG. 4.
  • FIG. 6 is a cross-sectional view taken along the line 'a-a' of FIG. 5.
  • FIG. 7 is an exploded perspective view illustrating the valve plate assembly according to the second embodiment of FIG. 3.
  • FIG. 8 is a perspective view illustrating a coupled state of FIG. 7.
  • FIG. 9 is a cross-sectional view taken along the line 'b-b' of FIG. 8.
  • Figure 3 is a longitudinal sectional view showing a structure of a variable displacement compressor according to the present invention
  • Figure 4 is an exploded perspective view of the valve plate assembly according to the first embodiment of Figure 3
  • Figure 5 is a combined state of Figure 4 6 is a sectional view taken along the line 'a-a' of FIG. 5
  • FIG. 7 is an exploded perspective view illustrating the valve plate assembly according to the second embodiment of FIG. 3
  • FIG. 8 is a coupled state of FIG. 7.
  • 9 is a perspective view of FIG. 9 and FIG. 9 is a sectional view taken along the line 'b-b' of FIG.
  • variable displacement swash plate type compressor C includes a cylinder block 10 having a plurality of cylinder bores 12 formed on an inner circumferential surface of the cylinder block 10 in parallel in the longitudinal direction, and the cylinder block 10 of the cylinder block 10.
  • a front housing 16 is hermetically coupled to the front and a rear housing 18 hermetically coupled to the rear of the cylinder block 10.
  • the crank chamber 86 is provided inside the front housing 16, and one end of the drive shaft 44 is rotatably supported near the center of the front housing 16, while the other end of the drive shaft 44 is Passed through the crank chamber 86 is supported via a bearing provided in the cylinder block 10.
  • the lug plate 54 and the swash plate 50 are provided around the drive shaft 44.
  • a pair of power transmission support arms 62 each having a linearly perforated guide hole 64 formed at a central portion thereof are formed to protrude integrally on one surface, and an end portion is formed on one surface of the swash plate 50.
  • the arm 66 provided with the ball is formed to protrude, and as the lug plate 54 rotates, the ball provided in the arm 66 of the swash plate 50 is a guide hole of the lug plate 54.
  • the inclination angle of the swash plate 50 is variable while sliding 64.
  • the outer circumferential surface of the swash plate 50 is fitted to the piston 14 so as to be able to slide through the shoe 76.
  • the refrigerant in the suction chamber 22 is sucked into the cylinder bore 12, compressed, and discharged to the discharge chamber 24.
  • the pressure in the crank chamber 86 and the suction chamber ( 22, the inclination angle of the swash plate 50 is changed according to the pressure difference in the discharge amount of the refrigerant is controlled, which adjusts the pressure of the crank chamber 86 by opening and closing the valve by energization, through which the inclination angle of the swash plate 50 It is usually implemented by the capacity control valve 200 to adjust the discharge capacity by adjusting the.
  • a suction chamber 22 and a discharge chamber 24 are formed, respectively, and a valve plate assembly 100 is interposed between the rear housing 18 and the cylinder block 10.
  • the above-mentioned compressor is just one example in which the valve plate assembly 100 according to the present invention is installed, and is applicable to all other various types of compressors.
  • valve plate assembly 100 and 100 ' according to the present invention will be described.
  • the valve plate assembly 100 includes a valve plate 110 having a suction port 111 and a plurality of guide protrusions 122a. Is formed and comprises a suction lead 122 for opening and closing the suction port 111.
  • the first guide groove 130 is formed in the cylinder block 10.
  • the guide protrusions 122a may be formed in plural at equal intervals along the edge of the suction lead 122.
  • the suction lead 122 is connected to the valve seat 120 by the neck 121, and the neck 121 is thinly formed to lower the natural frequency of the suction lead 122.
  • the lead 122 and the neck 121 is elastic deformation caused by the suction pressure (Ps).
  • the suction lead 122 which opens the suction port 111, is supported by the first guide groove 130 formed in the cylinder block 10, the neck portion 121 that is thinly formed is sucked by the suction pressure Ps. It will prevent breaking.
  • suction lead 122 supported by the first guide groove 130 is insignificant due to the pressure (movement) of the suction refrigerant, generation of vibration due to the pressure (movement) of the suction refrigerant is suppressed.
  • a front gasket 140 is interposed between the cylinder block 10 and the valve seat 120, and the front gasket 140 has a second corresponding to the guide protrusion 122a of the suction lead 122.
  • the guide groove 141 is formed.
  • the second guide groove 141 is formed on the inner circumferential surface of the through hole formed in the front gasket 140, and the through hole of the front gasket 140 coincides with the center of the cylinder bore 12.
  • the center of the cylinder bore 12, the through-hole of the gasket 140, the suction lead 122 and the suction port 111 of the valve seat 110 are all formed to match.
  • the front gasket 140 prevents the refrigerant from leaking between the cylinder block 10 and the valve seat 120 and at the same time the suction lead 122 opens in the suction port 111.
  • the second guide groove 141 guides the movement.
  • a discharge port 112 is formed in the valve plate 110, and a discharge lead 150 for opening and closing the discharge port 112 is provided, and the discharge lead 150 is provided at the retainer 160. Supported. At this time, the discharge lead 150 and the retainer 160 is coupled to the valve plate 110 by a rivet 101.
  • a rear gasket 170 is interposed between the valve plate 110 and the rear housing 18 to prevent leakage of the refrigerant.
  • each suction port 111 facing the suction lead 122a and formed in the valve plate 110 is formed of a plurality of through holes, it is preferable that the plurality of through holes are formed symmetrically with each other.
  • the suction port 111 is formed of a plurality of through holes to increase the cross-sectional area of the suction port 111 to secure the suction amount of the refrigerant. That is, as the suction performance of the compressor is improved, the compression efficiency is greatly improved.
  • an end portion of the first guide groove 130 formed in the cylinder block 10 corresponds to the guide protrusion 122a formed in the suction lead 122 and restricts the displacement of the suction lead 122.
  • the stopper 131 is formed.
  • the stopper 131 is preferably formed symmetrically.
  • the valve plate assembly 100 ′ of the compressor according to the second embodiment of the present invention includes a valve plate 110 ′ having a suction port 111 ′ and a plurality of valve plates 110 ′.
  • a guide protrusion 122a ' is formed and a first guide groove formed in the cylinder block 10 so as to correspond to the suction lead 122' for opening and closing the suction port 111 'and the guide protrusion 122a'. 130 ').
  • a front gasket 140 ' is interposed between the cylinder block 10 and the suction lead 122', and the guide protrusion 122a 'of the suction lead 122' is disposed in the front gasket 140 '.
  • a second guide groove 141 ′ corresponding to the second guide groove 141 ′ is formed.
  • the suction lead 122 ′ is formed as a single piece so as to slide in parallel in the penetration direction of the suction port 111 ′. That is, the suction lead 122 'is translated in the penetrating direction of the suction port 111'.
  • the front gasket 140 ' is formed to have a constant thickness so as to secure a displacement space due to sliding (translational movement) of the suction lead 122'.
  • the first guide groove 130 ′ may also be deeply formed to guide the translational movement of the suction lead 122 ′.
  • the natural frequency is zero (0) by the single-piece suction lead 122 'that removes the valve seat and the neck that generate the vibration, and thus, the self-vibration of the compressor is caused by the vibration of the suction lead 122'. It will prevent noise.
  • an end portion of the first guide groove 130 ′ formed in the cylinder block 10 corresponds to the guide protrusion 122 ′ formed in the suction lead 122 ′, and displaces the displacement of the suction lead 122 ′.
  • a plurality of stoppers 131 'for limiting are formed.
  • the stopper 131 'and the suction lead 122' are preferably in surface contact, and the stopper 131 is preferably formed symmetrically.
  • each suction port 111 ' which is formed in the valve plate and faces the suction lead 122' which is formed as a single piece is formed of a plurality of through holes, and the plurality of through holes are formed symmetrically with each other. It is preferable.
  • the vibration of the compressor is reduced to prevent the noise of the compressor by using the suction side of the valve plate as an example, but the same may be applied to the discharge side.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Check Valves (AREA)

Abstract

La présente invention porte sur un ensemble plaque pour une soupape de compresseur, interposé entre un bloc-cylindres et un carter, et comprenant une plaque porte-soupape dans laquelle est formé un orifice d'admission, une lamelle d'admission sur laquelle une pluralité de saillies de guidage sont disposées pour ouvrir ou fermer l'orifice d'admission, une première rainure de guidage disposée sur le bloc-cylindres d'une façon qui correspond à la saillie de guidage, et un joint frontal interposé entre le bloc-cylindres et la lamelle d'admission. Selon la présente invention, le bruit du compresseur dû à la vibration auto-excitée de la lamelle d'admission est évité puisque la fréquence naturelle de la lamelle d'admission est abaissée par le rétrécissement ou la suppression du col reliant la lamelle d'admission au siège de soupape.
PCT/KR2011/005977 2010-08-20 2011-08-12 Ensemble plaque pour soupape de compresseur WO2012023771A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100080922A KR20120018259A (ko) 2010-08-20 2010-08-20 압축기의 밸브플레이트 조립체
KR10-2010-0080922 2010-08-20

Publications (2)

Publication Number Publication Date
WO2012023771A2 true WO2012023771A2 (fr) 2012-02-23
WO2012023771A3 WO2012023771A3 (fr) 2012-05-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/005977 WO2012023771A2 (fr) 2010-08-20 2011-08-12 Ensemble plaque pour soupape de compresseur

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KR (1) KR20120018259A (fr)
WO (1) WO2012023771A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115338479A (zh) * 2022-10-17 2022-11-15 泰兴市苏泰精密机械铸造有限公司 一种活塞式制冷压缩机阀板及加工设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014190335A (ja) * 2013-03-28 2014-10-06 Toyota Industries Corp 圧縮機

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1182305A (ja) * 1997-09-08 1999-03-26 Hitachi Ltd 密閉形電動圧縮機
KR19990057032A (ko) * 1997-12-29 1999-07-15 구자홍 전동압축기의 밸브장치
KR20060102759A (ko) * 2005-03-24 2006-09-28 학교법인 두원학원 밸브 플레이트에서의 누설방지구조를 가지는 사판식 압축기
KR20100018223A (ko) * 2008-08-06 2010-02-17 학교법인 두원학원 왕복동식 압축기의 흡입밸브 조립체

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1182305A (ja) * 1997-09-08 1999-03-26 Hitachi Ltd 密閉形電動圧縮機
KR19990057032A (ko) * 1997-12-29 1999-07-15 구자홍 전동압축기의 밸브장치
KR20060102759A (ko) * 2005-03-24 2006-09-28 학교법인 두원학원 밸브 플레이트에서의 누설방지구조를 가지는 사판식 압축기
KR20100018223A (ko) * 2008-08-06 2010-02-17 학교법인 두원학원 왕복동식 압축기의 흡입밸브 조립체

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115338479A (zh) * 2022-10-17 2022-11-15 泰兴市苏泰精密机械铸造有限公司 一种活塞式制冷压缩机阀板及加工设备

Also Published As

Publication number Publication date
KR20120018259A (ko) 2012-03-02
WO2012023771A3 (fr) 2012-05-03

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