WO2023280261A1 - Tuyau à trois voies et système de climatisation utilisant un tuyau à trois voies - Google Patents

Tuyau à trois voies et système de climatisation utilisant un tuyau à trois voies Download PDF

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Publication number
WO2023280261A1
WO2023280261A1 PCT/CN2022/104309 CN2022104309W WO2023280261A1 WO 2023280261 A1 WO2023280261 A1 WO 2023280261A1 CN 2022104309 W CN2022104309 W CN 2022104309W WO 2023280261 A1 WO2023280261 A1 WO 2023280261A1
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WO
WIPO (PCT)
Prior art keywords
interface
tee
connecting piece
inner diameter
connector
Prior art date
Application number
PCT/CN2022/104309
Other languages
English (en)
Chinese (zh)
Inventor
李书求
王文杰
Original Assignee
浙江盾安人工环境股份有限公司
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 浙江盾安人工环境股份有限公司 filed Critical 浙江盾安人工环境股份有限公司
Priority to KR1020247003112A priority Critical patent/KR20240025015A/ko
Priority to JP2023577891A priority patent/JP2024524139A/ja
Publication of WO2023280261A1 publication Critical patent/WO2023280261A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/02—Welded joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening

Definitions

  • the present application relates to the technical field of air conditioning, in particular to a three-way pipe and an air-conditioning system using the three-way pipe.
  • tee pipes are widely used.
  • the heat exchange tubes of general air conditioners mostly use copper tee pipes, but the strength of copper tee pipes is low. Due to the limitation of processing technology, there will be stress concentration at the corners where the cross-sectional shape of copper tee pipes changes sharply, and this The wall thickness will be thinned, making the copper tee pipe easily damaged under the impact of fluid.
  • tee pipes in some large-scale air-conditioning equipment involve the connection of pipe fittings of two different materials, but the welding of dissimilar metals is generally more complicated, which makes the production cost higher.
  • a tee pipe and an air conditioning system using the tee pipe are provided.
  • a tee pipe includes a tee body and a connecting piece.
  • the tee body is connected to the external pipeline through the connecting piece;
  • the tee body is a stainless steel tee, and
  • the connecting piece is a copper pipe or an aluminum pipe.
  • one end of the connecting piece connected to the tee body is provided with a positioning portion matching the tee body in the radial direction, and the other end is connected to an external pipeline, and the positioning portion is used for To limit the connection length between the connecting piece and the tee body.
  • the connecting piece is plugged into the tee body, and the positioning part is a necking section formed by shrinking the connecting piece in the radial direction; or, the connecting piece is sleeved on the The three-way body, and the positioning part is a flared section formed by radially expanding the connecting piece.
  • the tee body includes a first interface, a second interface, and a third interface, and the second interface and the third interface are coaxially arranged;
  • the connector includes a first connector, The second connecting piece and the third connecting piece, the first interface, the second interface and the third interface are respectively connected to the first connecting piece, the second connecting piece and the third connecting piece.
  • connection between the first interface and the second interface and/or the connection between the first interface and the third interface is provided with a connection part, and the connection part is The connection part of the fillet transition.
  • the first interface and the first connecting piece are connected by welding; and/or, the second interface and the second connecting piece are connected by welding; and/or, the first The three interfaces are connected to the third connecting piece by welding.
  • the inner diameter of the first connector is greater than or equal to the inner diameter of the first interface; and/or, the inner diameter of the second connector is greater than or equal to the inner diameter of the second interface; and /or, the inner diameter of the third connecting piece is greater than or equal to the inner diameter of the third interface.
  • the present application also provides an air-conditioning system, the air-conditioning system comprising the tee pipe described in any one of the above.
  • Fig. 1 is a schematic structural diagram of a tee pipe according to one or more embodiments of the present application.
  • Fig. 2 is a structural schematic diagram of the tee body in the tee pipe shown in Fig. 1 .
  • Fig. 3 is a schematic structural diagram of a tee pipe according to one or more embodiments.
  • Fig. 4 is a partially enlarged schematic diagram at A of the tee pipe shown in Fig. 3 .
  • FIG. 5 is a schematic diagram of a tee pipe and an air conditioning system including the tee pipe according to one or more embodiments.
  • Tee pipe 100.
  • Tee body 10.
  • Connecting part; 20. Connecting piece; 21. First connecting piece; 22.
  • a component when a component is said to be “mounted on” another component, it can be directly on the other component or there can also be an intervening component.
  • a component When a component is said to be “set on” another component, it may be set directly on the other component or there may be an intervening component at the same time.
  • a component When a component is said to be “fixed” to another component, it may be directly fixed to the other component or there may be an intervening component at the same time.
  • the terms “vertical,” “horizontal,” “left,” “right,” and similar expressions are used herein for purposes of illustration only and are not intended to represent the only embodiments.
  • FIG. 1 is a schematic structural diagram of the tee pipe 100 provided by the present application
  • FIG. 2 is a schematic structural diagram of the tee body 10 shown in FIG. 1 .
  • the present application provides a tee pipe 100, which is mainly used for connecting with external pipelines, and is widely used in the field of refrigeration, and is an extremely important part. It can be understood that the tee pipe 100 can also be used in other pipelines.
  • the tee pipe 100 includes a tee body 10 and a connecting piece 20 .
  • the tee body 10 is connected to the external pipeline through the connecting piece 20 .
  • the tee body 10 is used to communicate with an external pipeline, for example, a heat exchange pipeline in an air-conditioning system.
  • the connecting piece 20 is used to connect the interface of the tee body 10 to an external pipeline.
  • tee pipes are widely used.
  • the heat exchange tubes of general air conditioners mostly use copper tee pipes, but the strength of copper tee pipes is low. Due to the limitation of processing technology, there will be stress concentration at the corners where the cross-sectional shape of copper tee pipes changes sharply, and this The wall thickness will be thinned, making the copper tee pipe easily damaged under the impact of fluid.
  • tee pipes in some large-scale air-conditioning equipment involve the connection of pipe fittings of two different materials, but the welding of dissimilar metals is generally more complicated, which makes the production cost higher.
  • the tee body 10 is a stainless steel tee with greater strength, and the cost of the stainless steel tee is lower than that of the copper tee.
  • the connector 20 is a copper tube or an aluminum tube, which can facilitate the connection with the external pipeline, especially the copper tube, aluminum tube or other pipelines in the air conditioning system, effectively reducing the direct contact between the stainless steel tee and the external pipeline.
  • the difficulty of connection especially reduces the difficulty of repairing the tee pipe inside the air conditioner after the tee pipe is damaged.
  • the cross-section of the tee body 10 is substantially "T"-shaped.
  • the three-way body 10 is mainly used for connecting external pipelines and changing the direction of fluid.
  • the tee body 10 includes a first interface 11 , a second interface 12 and a third interface 13 for connecting with the connector 20 .
  • the first interface 11 , the second interface 12 and the third interface 13 are all hollow structures, and the second interface 12 and the third interface 13 are coaxially arranged.
  • the three-way body 10 may be of other structures, such as the three-way body 10 with a “Y”-shaped cross section, as long as the three interfaces can communicate with each other.
  • the second interface 12 and the third interface 13 can also be arranged on different axes, as long as they can meet the requirements of the processing technology and facilitate the flow of fluid.
  • first interface 11 is arranged on the pipe section between the second interface 12 and the third interface 13 .
  • pipe section between the second interface 12 and the third interface 13 extends radially to form the first interface 11 through the flanging process.
  • the length of the outward protrusion should be controlled within a certain range, so that the connection with the first connecting member 21 is convenient. should.
  • the inner diameter of the first interface 11 should not be too large due to the limitation of the setting position, structure and flanging process.
  • Such setting can not only effectively avoid the phenomenon of too small wall thickness or even cracking when processing the first interface 11 , improve the product quality of the tee body 10 , but also effectively avoid the current limiting phenomenon when the tee pipe 100 is used.
  • the tee body 10 further includes a connecting portion 14 disposed between the first port 11 and the second port 12; and/or, a connecting portion 14 between the first port 11 and the third port 13 .
  • the connecting portion 14 adopts relatively large fillet transition and uniform wall thickness, and the connecting portion 14 is used for smooth transition between the first interface 11 and the second interface 12; and/or, the connecting portion 14 is used for connecting the first interface 11 and the second interface 12 There is a smooth transition between the third interfaces 13 .
  • the overall structure of the three-way pipe 100 does not have a sharp change in shape, which effectively reduces the stress concentration of the connecting part 14, so that when the three-way pipe 100 changes the direction of the fluid, the connecting part 14 will not be easily affected by the impact of the fluid. Therefore, the three-way pipe 100 needs to be replaced in advance, and the three-way pipe 100 is also easier to process.
  • the connecting piece 20 includes a first connecting piece 21 , a second connecting piece 22 and a third connecting piece 23 for connecting the tee body 10 with an external pipeline.
  • the first connecting piece 21, the second connecting piece 22 and the third connecting piece 23 are all hollow structures, and the first connecting piece 21 is connected to the first interface 11, the second connecting piece 22 is connected to the second interface 12 and the third connecting piece
  • the component 23 is connected with the third interface 13 .
  • the cross-sectional shape of the connecting piece 20 should be approximately the same as that of the interface of the tee body 10, so as to reduce the connection between the first interface 11 and the first connecting piece 21 and the connection between the second interface 12 and the second connecting piece 22. connection and the difficulty of connecting the third interface 13 to the third connecting member 23 .
  • the inner diameter of the first connecting part 21 is greater than or equal to the inner diameter of the first interface 11 on the tee body 10;
  • the inner diameter of the second interface 12 ; and/or, the inner diameter of the third connecting member 23 is greater than or equal to the inner diameter of the third interface 13 on the tee body 10 .
  • FIG. 3 is a schematic structural diagram of the tee pipe in another embodiment of the present application
  • FIG. 4 is a partially enlarged schematic diagram of the tee pipe shown in FIG. 3 at point A.
  • Another embodiment of the tee pipe 100 is substantially the same in structure as the tee pipe 100 in the above-mentioned embodiment, and the main improvement is that: one end of the connecting piece 20a connected to the tee body 10 is provided with a radial direction matching with the tee body 10.
  • the other end of the positioning part 24a is connected to the external pipeline, for example, the other end of the positioning part 24a is connected to the original copper pipe, aluminum pipe or other pipelines in the air conditioning system.
  • the connecting piece 20a is plugged into the tee body 10, and the positioning portion 24a is a shrinkage section formed by shrinking the connecting piece 20a in the radial direction, and the outer end surfaces of the first interface 11, the second interface 12 and the third interface 13 Respectively contact with the stepped surface on the necking section of the first connecting piece 21a, the second connecting piece 22a and the third connecting piece 23a; or, the connecting piece 20a is sleeved on the tee body 10, and the positioning part 24a is the connecting piece 20a In the radially expanded and formed flaring section, the outer end surfaces of the first interface 11, the second interface 12, and the third interface 13 are respectively flared with the first connecting piece 21a, the second connecting piece 22a, and the third connecting piece 23a.
  • the main function of the positioning part 24a is to locate so that the connecting piece 20a is connected to the tee body 10, and to limit the connection length of the connecting piece 20a and the tee body 10; if the length is small, the tee body 10 after the connection cannot be effectively guaranteed If the length is too large, the material of the connecting piece 20a will be wasted, which is not conducive to reducing production costs; therefore, reasonable control of the depth can better ensure that the connecting piece 20a and the tee The connection strength and airtightness of the interface of the body 10 and the production cost of the tee pipe 100 are reduced.
  • the positioning portion 24a is a necking section or a flaring section of the connecting piece 20a; in other embodiments, the positioning portion 24a can also be a concave ring or a convex ring arranged radially on the connecting piece 20a , as long as the positioning and limitation of the connection length between the connecting piece 20a and the tee body 10 can be realized.
  • the first interface 11 and the first connecting piece 21a are connected by welding, and the second interface 12 and the second connecting piece are connected by welding.
  • 22a is connected by welding and the third interface 13 is connected with the third connecting piece 23a by welding.
  • the gaps between the positioning portion 24a and the joints on the tee body 10 should be set reasonably so as to better meet welding requirements and ensure welding quality.
  • the connecting piece 20a can also be connected to the interface on the tee body 10 through flanges, threads, etc., as long as the firmness and airtightness of the connection can be achieved.
  • the connection between the first connecting part 21a and the first interface 11, the second connecting part 22a and the second interface 12, and the connection between the third connecting part 23a and the third interface 13 of the present application can adopt different connection methods, mainly depending on the working environment and Use requirements to determine.
  • the tee pipe provided in an embodiment of the present application uses a stainless steel tee body instead of a copper tee pipe, so that the strength of the tee pipe is increased and the production cost is reduced, thereby prolonging the service life of the tee pipe.
  • the application uses the connecting piece to connect the tee body with the external pipeline, and the connecting piece is a copper tube or an aluminum tube, which not only facilitates the connection with the external pipeline, but also further reduces the Cost of production.
  • the present application also provides an air-conditioning system 200 (see FIG. 5 ) using the above-mentioned three-way pipe 100 .
  • the air-conditioning system 200 has better overall performance and lower production costs, and has broad application prospects.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

L'invention concerne un tuyau à trois voies (100) et un système de climatisation (200) qui utilise ledit tuyau à trois voies. Le tuyau à trois voies comprend un corps à trois voies (10) et un élément de raccordement (20), le corps à trois voies étant relié à un tuyau externe au moyen de l'élément de raccordement, le corps à trois voies est un corps à trois voies en acier inoxydable et l'élément de raccordement est un tuyau en cuivre ou un tuyau en aluminium. Le tuyau à trois voies utilise un corps à trois voies en acier inoxydable, ce qui permet d'augmenter la résistance du tuyau à trois voies, de réduire les coûts de production et de prolonger la durée de vie du tuyau à trois voies.
PCT/CN2022/104309 2021-07-07 2022-07-07 Tuyau à trois voies et système de climatisation utilisant un tuyau à trois voies WO2023280261A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020247003112A KR20240025015A (ko) 2021-07-07 2022-07-07 삼방관 및 상기 삼방관을 이용한 공조 시스템
JP2023577891A JP2024524139A (ja) 2021-07-07 2022-07-07 三方管、及びこの三方管を用いた空調システム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202121540428.7 2021-07-07
CN202121540428.7U CN215981360U (zh) 2021-07-07 2021-07-07 三通管及使用该三通管的空调系统

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WO2023280261A1 true WO2023280261A1 (fr) 2023-01-12

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PCT/CN2022/104309 WO2023280261A1 (fr) 2021-07-07 2022-07-07 Tuyau à trois voies et système de climatisation utilisant un tuyau à trois voies

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JP (1) JP2024524139A (fr)
KR (1) KR20240025015A (fr)
CN (1) CN215981360U (fr)
WO (1) WO2023280261A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215981360U (zh) * 2021-07-07 2022-03-08 浙江盾安禾田金属有限公司 三通管及使用该三通管的空调系统

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0559062U (ja) * 1992-01-23 1993-08-03 太平洋工業株式会社 四方切換弁
JP2006226594A (ja) * 2005-02-17 2006-08-31 Matsushita Electric Ind Co Ltd 温度センサー取り付け装置
CN2893367Y (zh) * 2006-05-13 2007-04-25 王新民 空调器用分歧三通管
CN202018164U (zh) * 2011-04-18 2011-10-26 海尔集团公司 一种空调器回气管
CN204962126U (zh) * 2015-06-30 2016-01-13 广东立丰管道科技有限公司 一种螺纹沟槽式薄壁不锈钢三通管件
US20160348988A1 (en) * 2015-05-28 2016-12-01 Dometic Sweden Ab Corrosion Resistant Coaxial Heat Exchanger Assembly
CN207814721U (zh) * 2017-12-31 2018-09-04 温州正鑫管业有限公司 一种等径三通卡压管件
CN210004004U (zh) * 2019-06-13 2020-01-31 李智富 空调三通焊接结构
CN111878490A (zh) * 2020-07-31 2020-11-03 蒋凯 一种免螺纹连接的三通连接结构
CN212162675U (zh) * 2020-05-04 2020-12-15 江苏洁新医疗器械有限公司 一种新型的三通连接管
CN112404888A (zh) * 2020-09-23 2021-02-26 浙江德利福科技股份有限公司 一种不锈钢三通管的成型工艺
CN215981360U (zh) * 2021-07-07 2022-03-08 浙江盾安禾田金属有限公司 三通管及使用该三通管的空调系统

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0559062U (ja) * 1992-01-23 1993-08-03 太平洋工業株式会社 四方切換弁
JP2006226594A (ja) * 2005-02-17 2006-08-31 Matsushita Electric Ind Co Ltd 温度センサー取り付け装置
CN2893367Y (zh) * 2006-05-13 2007-04-25 王新民 空调器用分歧三通管
CN202018164U (zh) * 2011-04-18 2011-10-26 海尔集团公司 一种空调器回气管
US20160348988A1 (en) * 2015-05-28 2016-12-01 Dometic Sweden Ab Corrosion Resistant Coaxial Heat Exchanger Assembly
CN204962126U (zh) * 2015-06-30 2016-01-13 广东立丰管道科技有限公司 一种螺纹沟槽式薄壁不锈钢三通管件
CN207814721U (zh) * 2017-12-31 2018-09-04 温州正鑫管业有限公司 一种等径三通卡压管件
CN210004004U (zh) * 2019-06-13 2020-01-31 李智富 空调三通焊接结构
CN212162675U (zh) * 2020-05-04 2020-12-15 江苏洁新医疗器械有限公司 一种新型的三通连接管
CN111878490A (zh) * 2020-07-31 2020-11-03 蒋凯 一种免螺纹连接的三通连接结构
CN112404888A (zh) * 2020-09-23 2021-02-26 浙江德利福科技股份有限公司 一种不锈钢三通管的成型工艺
CN215981360U (zh) * 2021-07-07 2022-03-08 浙江盾安禾田金属有限公司 三通管及使用该三通管的空调系统

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KR20240025015A (ko) 2024-02-26
JP2024524139A (ja) 2024-07-05
CN215981360U (zh) 2022-03-08

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