EP3239531A1 - Ensemble de dissipation de chaleur de disque de défilement de compresseurs à spirales - Google Patents

Ensemble de dissipation de chaleur de disque de défilement de compresseurs à spirales Download PDF

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Publication number
EP3239531A1
EP3239531A1 EP17166723.1A EP17166723A EP3239531A1 EP 3239531 A1 EP3239531 A1 EP 3239531A1 EP 17166723 A EP17166723 A EP 17166723A EP 3239531 A1 EP3239531 A1 EP 3239531A1
Authority
EP
European Patent Office
Prior art keywords
scroll
disk
heat sink
heat
disk body
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.)
Granted
Application number
EP17166723.1A
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German (de)
English (en)
Other versions
EP3239531B1 (fr
Inventor
Daomin Xu
Min Wang
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.)
Zhejiang Jieneng Compression Equipment Co Ltd
Original Assignee
Zhejiang Jieneng Compression Equipment Co Ltd
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Publication of EP3239531A1 publication Critical patent/EP3239531A1/fr
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Publication of EP3239531B1 publication Critical patent/EP3239531B1/fr
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving

Definitions

  • the present invention relates to the technical field of compressors, and more particularly relates to a scroll disk heat dissipation assembly of scroll compressors.
  • scroll air compressors are widely used in situations where compressed air is needed as in industry, agriculture, transportation, civil pneumatic power and some other industries.
  • the main moving part of scroll air compressors is the scroll disk.
  • the scroll disk only meshes and does not wear, so the service life is longer than that of piston compressors and screw compressors. They are ideal power source for pneumatic machines.
  • the scroll disk as the main moving part, is divided into the orbiting disk and the fixed disk. Scrolls are arranged in the orbiting disk and the fixed disk. In general, the orbiting disk and the fixed disk match and form the compressing pocket.
  • oil-free scroll air compressor comprises a rack, a fixed disk, an orbiting disk, a shaft sleeve, a crankshaft and a pinned crank.
  • the fixed disk fits and is installed onto the end face of the rack.
  • the orbiting disk fits and is installed onto the end face of the shaft sleeve, and is located inside the rack.
  • the pinned crank bearing of one end of the pinned crank is installed onto the rack, and the pinned crank bearing of the other end of the pinned crank is installed onto the shaft sleeve.
  • the sleeve is constrained by at least three pinned cranks.
  • the fixed disk and the orbiting disk driven by the crankshaft form a sealing pocket, which continuously implement the working process of suction, compression and discharge.
  • There are stepped orbiting disk fins arranged on the back of the orbiting disk stepped shaft sleeves are installed onto the orbiting disk fins, and at each bearing seat of the shaft sleeves there is a clearance with the orbiting disk fins.
  • the orbiting disk dissipates the heat through the orbiting disk fins on the back. Besides heat dissipation, the orbiting disk fins can also reinforce the strength of the orbiting disk in the transversal direction.
  • the orbiting disk lacks stiffening structures in the longitudinal direction, which makes the orbiting disk prone to deformation in the plane.
  • One objective of one embodiment of the present invention is to avoid the issues stated above in the prior art, and to provide a scroll disk heat dissipation assembly of scroll compressors.
  • One embodiment of the scroll disk heat dissipation assembly of scroll compressors can reinforce the strength of the scroll disk, and prevent the scroll disk from deforming.
  • a fan is also arranged on the scroll compressor, and the air flow generated by the fan, as well as the natural wind, can blow the sides of the disk body.
  • the air flow blows in one end of the air duct, and out of the other end.
  • the heat on the disk body and the heat sinks can be taken away, and hence the temperature will be reduced. Also, reducing the temperature of the disk body helps prevent the disk body from deforming because of high temperature.
  • the heat sinks on the present disk body are wave-shaped. Wave-shaped heat sinks have peaks and troughs.
  • the extending direction of the heat sinks is the transversal direction, and the arranging direction of several heat sinks is the longitudinal direction.
  • the longer heat sinks can reinforce the strength of the disk body in the transversal direction. Since the heat sinks are wave-shaped, heat sinks between peaks and troughs can extend in the longitudinal direction to some extent. Therefore, heat sinks can reinforce the strength of the disk body in the longitudinal direction. Furthermore, since the locations of peaks and troughs in two adjacent heat sinks are aligned. In any heat sink, there is at least one peak located in a triangular zone, which is enclosed by the corresponding peak on the heat sink above and the two troughs on the two sides of that peak on that same heat sink. Therefore, in one transversal section, there are several heat sinks to reinforce the strength of the disk body.
  • the stiffening effect is significant, so as to prevent the disk body from deforming.
  • the previous peaks turn into troughs, while previous troughs turn into peaks.
  • the first prop which is columnar and perpendicular to the back of the disk body, in the peak or trough area of the heat sink, and the outer diameter of the first prop is greater than the thickness of the heat sink.
  • the first prop is arranged at the peaks or the troughs, and thus stiffens the heat sinks and the disk body.
  • the top end of the first prop is flush with the top edge of the heat sinks, achieving a better coherence.
  • the scroll disk heat dissipation assembly of scroll compressors on the back of the disk body, there are three columnar second props perpendicular to it.
  • the second props are located in the heat sinks and lines connecting the three second props form an isosceles triangle or equilateral triangle.
  • the outer diameter of the second prop is greater than that of the first prop.
  • Three second props are arranged in a triangular manner, play the role of supporting framer, and thus stiffen the disk body.
  • the thickness of the heat sink gradually increases from the top to the bottom.
  • the bottom of the heat sink is thicker, hence, the connection strength with the disk body is higher, and the effect of stiffening the disk body is better.
  • the top of the heat sink is thinner, which is easy for air to pass through the air duct.
  • the scroll disk heat dissipation assembly of scroll compressors there is a flat and straight inlet part on one end of the heat sink, and a flat and straight outlet part on the other end.
  • the inlet part and the outlet part on one heat sink are arranged symmetrically.
  • An air inlet connected to the air duct is formed in between the inlet parts of two adjacent heat sinks, and an air outlet connected to the air duct is formed in between the outlet parts of two adjacent heat sinks.
  • the inlet part and the outlet part are on the same line, the several air inlets have the same orientation, and the widths are also roughly the same. This allows the air flow to enter into the air duct uniformly, so as to take away the heat from the heat sink disk uniformly.
  • the annular first stiffener circumferentially on the rim of the back of the disk body, and there are several long stripped second stiffeners on the back of the disk body as well. These second stiffeners are arranged in parallel, and the lengthwise direction of the second stiffeners is perpendicular to the lengthwise direction of the inlet part. The two ends of the several second stiffeners extend to the first stiffener respectively.
  • the first stiffener can stiffen the outer rim of the disk body, and prevents the rim of the disk body from deforming.
  • the second stiffener passes through peaks and troughs of the heat sink respectively, and hence intersects with the heat sink. Namely, the lengthwise direction of stiffeners is the same as the longitudinal direction of the disk body, and thus stiffens the disk body in the longitudinal direction.
  • the segment between the peak and the trough is straight, and the angle between the lines connecting the peak and its two adjacent troughs is 60°-120°.
  • the direction of the straight line between the peak and the trough is inclined relative to the transversal direction of the disk body, to stiffen the disk body in the longitudinal direction.
  • the angle between the lines connecting the peak and its two adjacent troughs determines the bending degree of the wave-shaped heat sink.
  • the angle between the lines connecting the peak and its two adjacent troughs is 60°-120°.
  • one embodiment of the present scroll disk heat dissipation assembly of scroll compressors has the following advantages:
  • a scroll disk heat dissipation assembly of scroll compressors its scroll disk comprises the disk body 1, and the scroll is arranged on the front face of the disk body 1 in a spiral manner.
  • the heat dissipation assembly comprises several long stripped heat sinks 2 on the back of the disk body 1, and the widthwise direction of the heat sink 2 is perpendicular to the back of the disk body 1.
  • These heat sinks 2 are arranged in the same direction, and air ducts 3 are formed in between two adjacent heat sinks 2. Both ends of the heat sink 2 extend to the outer rim of the disk body 1.
  • the inlet part 26 and the outlet part 27 on one heat sink 2 are arranged symmetrically.
  • An air inlet 31 connected to the air duct 3 is formed in between the inlet parts 26 of two adjacent heat sinks 2, and an air outlet 32 connected to the air duct 3 is formed in between the outlet parts 27 of two adjacent heat sinks 2.
  • a fan is also arranged on the scroll compressor, and the air flow generated by the fan, as well as the natural wind, can blow the sides of the disk body 1. The air flow blows in one end of the air duct 3, and out of the other end. During the process the air flow passing through the air duct 3, the heat on the disk body 1 and the heat sinks 2 can be taken away, and hence the temperature will be reduced. Also, reducing the temperature of the disk body 1 helps prevent the disk body 1 from deforming because of high temperature.
  • the thickness of the heat sink 2 gradually increases from the top to the bottom.
  • the lines between the peak 22 of the heat sink 2 and its two adjacent troughs 23 are straight, and there is an angle between the lines connecting the peak 22 and its two adjacent troughs 23. This angle determines the bending degree of the wave-shaped heat sink 2. When this angle is too big, the stiffening effect is not significant. However, when the angle is too small, the resistive force against the air flow is also big. This is bad for the air flow to pass through. When the angle is 90°, the heat dissipation effect and stiffening effect of the disk body 1 is fairly good.
  • the wave-shaped heat sink 2 has several peaks 22 and several troughs 23 in the lengthwise direction.
  • the extending direction of the heat sinks 2 is in the transversal direction, and the arranging direction of several heat sinks 2 is in the longitudinal direction.
  • the longer heat sinks 2 can reinforce the strength of the disk body 1 in the transversal direction.
  • the direction of the line connecting the peak 22 and the adjacent trough 23 is inclined relative to the transversal direction of the disk body 1, to stiffen the disk body 1 in the longitudinal direction.
  • the locations of peaks 22 and troughs 23 in two adjacent heat sinks 2 are aligned.
  • the stiffening effect is significant, so as to prevent the disk body 1 from deforming.
  • the heat sink 2 has the first prop 24, which is columnar and perpendicular to the back of the disk body 1, the first prop 24 is in either the peak 22 or the trough 23 area.
  • the outer diameter of the first prop 24 is greater than the thickness of the heat sink 2, and the outer diameter of the first prop 24 gradually increases from the top to the bottom.
  • the top end of the first prop 24 is flush with the top edge of the heat sinks 2, stiffening the heat sinks 2 and the disk body 1.
  • the second props 25 are located in the heat sinks 2.
  • the outer diameter of the second prop 25 also increases from the top to the bottom, and the outer diameter of the second prop 25 is greater than the outer diameter of the first prop 24.
  • Lines connecting the three second props 25 form a triangle, and thus play the role of supporting framer for the disk body 1.
  • lines connecting the three second props 25 form an equilateral triangle, achieving a uniform stiffening effect of the disk body 1.
  • the first stiffener 4 can stiffen the outer rim of the disk body 1, and prevents the rim of the disk body 1 from deforming.
  • the two ends of the several second stiffeners 5 extend to the first stiffener 4 respectively.
  • the second stiffener 5 passes through peaks 22 and troughs 23 of the heat sink 2 respectively, and hence intersects with the heat sink 2.
  • the lengthwise direction of stiffeners is the same as the longitudinal direction of the disk body 1, and thus stiffens the disk body 1 in the longitudinal direction.
  • Disk Body 1, Heat Sink 2, etc. are often used herein, they do not exclude the possibility of using any other terms. Using such terms is only to describe or explain the nature of the present invention more conveniently. Any additional restrictions are contrary to the spirit of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP17166723.1A 2016-04-25 2017-04-17 Ensemble de dissipation de chaleur de disque de défilement de compresseurs à spirales Active EP3239531B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201620361552 2016-04-25
CN201610794013.XA CN106194754B (zh) 2016-04-25 2016-08-31 一种涡旋压缩机的涡盘散热结构

Publications (2)

Publication Number Publication Date
EP3239531A1 true EP3239531A1 (fr) 2017-11-01
EP3239531B1 EP3239531B1 (fr) 2018-12-05

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Application Number Title Priority Date Filing Date
EP17166723.1A Active EP3239531B1 (fr) 2016-04-25 2017-04-17 Ensemble de dissipation de chaleur de disque de défilement de compresseurs à spirales

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EP (1) EP3239531B1 (fr)
CN (2) CN106194754B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194754B (zh) * 2016-04-25 2019-07-26 徐道敏 一种涡旋压缩机的涡盘散热结构
CN108105088A (zh) * 2018-01-30 2018-06-01 重庆大学 一种无油涡旋压缩机的混合型涡盘散热结构
CN111927770A (zh) * 2020-07-27 2020-11-13 周岩 一种立体气体涡旋压缩结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001132669A (ja) * 1999-10-29 2001-05-18 Anest Iwata Corp スクロール流体機械における冷却構造
JP2010084592A (ja) * 2008-09-30 2010-04-15 Hitachi Ltd スクロール式流体機械
CN103775335A (zh) * 2012-10-26 2014-05-07 复盛股份有限公司 涡卷流体机械的涡卷散热结构及其制造方法
WO2014132526A1 (fr) * 2013-02-27 2014-09-04 株式会社日立産機システム Machine à fluide de type à spirale
EP3109475A1 (fr) * 2014-02-21 2016-12-28 Hitachi Industrial Equipment Systems Co., Ltd. Machine à fluides à volute

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JP4257819B2 (ja) * 2000-12-28 2009-04-22 アネスト岩田株式会社 圧縮機及び該圧縮機を用いたガスタービン用気体圧縮システム
CN203301923U (zh) * 2013-04-28 2013-11-20 东莞市铝美铝型材有限公司 高倍数散热器
CN203488380U (zh) * 2013-07-11 2014-03-19 复盛股份有限公司 涡卷式压缩机结构及涡卷式压缩机的散热器
CN204493197U (zh) * 2015-03-03 2015-07-22 苏州艾可普斯机电科技有限公司 涡旋压缩机静涡旋盘进气机构
CN104763632B (zh) * 2015-04-08 2017-03-29 上海磁浮交通发展有限公司 一种无油涡旋空气压缩机平衡方法
CN106194754B (zh) * 2016-04-25 2019-07-26 徐道敏 一种涡旋压缩机的涡盘散热结构

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001132669A (ja) * 1999-10-29 2001-05-18 Anest Iwata Corp スクロール流体機械における冷却構造
JP2010084592A (ja) * 2008-09-30 2010-04-15 Hitachi Ltd スクロール式流体機械
CN103775335A (zh) * 2012-10-26 2014-05-07 复盛股份有限公司 涡卷流体机械的涡卷散热结构及其制造方法
WO2014132526A1 (fr) * 2013-02-27 2014-09-04 株式会社日立産機システム Machine à fluide de type à spirale
US20150337834A1 (en) * 2013-02-27 2015-11-26 Hitachi Industrial Equipment Systems Co., Ltd. Scroll-Type Fluid Machine
EP3109475A1 (fr) * 2014-02-21 2016-12-28 Hitachi Industrial Equipment Systems Co., Ltd. Machine à fluides à volute

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Title
DATABASE WPI Week 201444, 7 May 2014 Derwent World Patents Index; AN 2014-M66822, XP002772129 *

Also Published As

Publication number Publication date
CN106194754A (zh) 2016-12-07
EP3239531B1 (fr) 2018-12-05
CN106194754B (zh) 2019-07-26
CN206054311U (zh) 2017-03-29

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