KR20110083953A - Header pipe connector of the heat exchanger - Google Patents

Header pipe connector of the heat exchanger Download PDF

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Publication number
KR20110083953A
KR20110083953A KR1020100003947A KR20100003947A KR20110083953A KR 20110083953 A KR20110083953 A KR 20110083953A KR 1020100003947 A KR1020100003947 A KR 1020100003947A KR 20100003947 A KR20100003947 A KR 20100003947A KR 20110083953 A KR20110083953 A KR 20110083953A
Authority
KR
South Korea
Prior art keywords
pipe
aluminum
heat exchanger
inclined surface
copper
Prior art date
Application number
KR1020100003947A
Other languages
Korean (ko)
Inventor
김현철
Original Assignee
주식회사 고산
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 주식회사 고산 filed Critical 주식회사 고산
Priority to KR1020100003947A priority Critical patent/KR20110083953A/en
Priority to PCT/KR2011/000308 priority patent/WO2011087326A2/en
Publication of KR20110083953A publication Critical patent/KR20110083953A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00557—Details of ducts or cables
    • B60H1/00571—Details of ducts or cables of liquid ducts, e.g. for coolant liquids or refrigerants
    • 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
    • F16L13/0209—Male-female welded joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007—Auxiliary supports for elements
    • F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F28F9/0256—Arrangements for coupling connectors with flow lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/04—Fastening; Joining by brazing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0243—Header boxes having a circular cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Abstract

The present invention relates to a header pipe connector for a heat exchanger that enables not only an excellent appearance of the part connecting the heat exchanger header made of aluminum and the refrigerant pipe made of copper, but also a more stable connection of the connection part. The present invention relates to a header pipe connector for a heat exchanger, in which one end of an aluminum pipe and one end of a copper pipe are connected to each other to connect between a header of an aluminum heat exchanger and a refrigerant pipe made of copper. One end section of the pipe is formed into an internal inclined surface inclined from the outer circumference to the inner circumference, and the copper pipe is formed with the same or approximate outer diameter than the outer diameter of the aluminum pipe, and one end section is fitted with a portion of the inner circumference of the aluminum pipe. An insertion portion having a reduced diameter is formed, while an external inclined surface corresponding to the internal inclined surface of the aluminum pipe is continuously formed with the insert, and the brazing welding is performed while the internal inclined surface of the aluminum pipe and the external inclined surface of the copper pipe are assembled. Through alumina The pipe and the copper pipe is made of an interconnect structure.

Description

Header pipe connector of the heat exchanger

The present invention relates to a header pipe connector for a heat exchanger, and more particularly, not only has an excellent appearance of the part connecting the heat exchanger header made of aluminum and the refrigerant pipe made of copper, but also makes the connection of the connection part more stable. A header pipe connector for a heat exchanger is made possible.

Cooling systems such as air conditioners, refrigerators, automotive air conditioners, etc. comprise a heat exchanger, the heat exchanger of a typical cooling system comprises a component such as a header, a heat dissipation tube, a heat dissipation fin.

1 is a view for explaining the structure of a conventional general heat exchanger. As shown in FIG. 1, the headers 12 of the heat exchanger 10 are installed to face each other at predetermined intervals on both sides in a vertical direction or a left and right direction, and the headers 12 located on both sides face each other. On the surface, the ends of the heat dissipation tube 14 are connected at regular intervals, while the heat dissipation fins 16 are arranged between the heat dissipation tube 14 and the heat dissipation tube 14 in a thin metal array in a zigzag form.

Components such as the header 12, the heat dissipation tube 14 and the heat dissipation fin 16 of the heat exchanger 10 described above are generally made of an aluminum material having excellent thermal conductivity and excellent corrosion resistance. On the other hand, between the heat exchanger 10 described above and the other components of the cooling system, the refrigerant pipe 20 for the circulation of the refrigerant is a pipe, wherein the refrigerant pipe 20 is generally made of a copper material.

Accordingly, as shown in FIG. 1, a header pipe connector 30 is pre-installed between the header 12 of the heat exchanger 10 made of aluminum and the refrigerant pipe 20 made of copper for convenience of connection work. do. That is, since the melting point of aluminum and copper is different, it is difficult to directly join the end of the copper refrigerant pipe 20 to the header 12 of the heat exchanger 10 made of aluminum by welding, so that aluminum having a predetermined length is used. The header pipe connector 30 of the state which previously joined the pipe 32 and the copper pipe 34 of predetermined length is used.

The conventional header pipe connector 30 is assembled by fitting the end of the aluminum pipe 32 to the extended section of the copper pipe 34 in a state in which a portion of the end of the copper pipe 34 is expanded as shown in the drawing. It is configured to be mutually bonded by heating the molten material 40 interposed between the copper pipe 34 and the aluminum pipe 32 after melting.

However, as shown in the drawing, the conventional header pipe connector is connected to the aluminum pipe and the copper pipe unevenly as the joint is made with the end of the aluminum pipe inserted in a state where the end of the copper pipe is extended for a predetermined period. There were problems such as not being excellent.

In addition, the conventional header pipe connector has a problem that the bonding strength is lowered as the concentration of the material is concentrated in a specific portion of the contact portion between the aluminum pipe and the copper pipe.

Therefore, the present invention has been made to solve the above problems of the prior art, the heat exchanger configured to be excellent in the appearance of the connection portion between the heat exchanger header made of aluminum and the refrigerant pipe made of copper The purpose is to provide a conventional header pipe connector.

In addition, another object of the present invention is to provide a header pipe connector for a heat exchanger made of a joint of the connection portion for connecting between the heat exchanger header made of aluminum and the refrigerant pipe made of copper.

The present invention is configured to achieve the object as described above is as follows.

The present invention relates to a header pipe connector for a heat exchanger, in which one end of an aluminum pipe and one end of a copper pipe are connected to each other to connect between a header of an aluminum heat exchanger and a refrigerant pipe made of copper. One end section of the pipe is formed into an internal inclined surface inclined from the outer circumference to the inner circumference, and the copper pipe is formed with the same or approximate outer diameter than the outer diameter of the aluminum pipe, and one end section is fitted with a portion of the inner circumference of the aluminum pipe. An insertion portion having a reduced diameter is formed, while an external inclined surface corresponding to the internal inclined surface of the aluminum pipe is continuously formed with the insert, and the brazing welding is performed while the internal inclined surface of the aluminum pipe and the external inclined surface of the copper pipe are assembled. Through alumina The pipe and the copper pipe is made of an interconnect structure.

In the header pipe connector for heat exchanger according to the present invention, the inclined surface of the aluminum pipe and the inclined surface of the copper pipe have a structure formed within a length range of 4 to 6 mm.

Insertion portion of the copper pipe in the header pipe connector for heat exchanger according to the present invention has a structure formed in the length range of 2 to 4 mm.

In the header pipe connector for heat exchanger according to the present invention, brazing welding is performed in a state in which a material is interposed between the internal inclined surface of the aluminum pipe and the external inclined surface of the copper pipe.

According to the heat exchanger header pipe connector according to an embodiment of the present invention, the appearance of a connection portion in which a copper refrigerant pipe is connected to an aluminum heat exchanger header is excellent.

In addition, according to the heat exchanger header pipe connector according to an embodiment of the present invention there is an effect that the bonding strength of the connection portion in which the copper refrigerant pipe is connected to the heat exchanger header made of aluminum.

1 is a view for explaining a conventional technology.
2 and 3 are views for explaining the manufacturing process of the header pipe connector for heat exchangers according to an embodiment of the present invention.
4 is a view of a state in which the manufacture of the heat exchanger header pipe according to an embodiment of the present invention.
5 is a view of a state in which a heat exchanger header pipe is applied according to an embodiment of the present invention.

Hereinafter, a manufacturing method and a configuration of a heat exchanger header pipe according to an embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

Reference numeral 100 denoted in the drawings indicates a header pipe connector for a heat exchanger according to an embodiment of the present invention, and reference numeral 200 denotes a heat exchanger to which a header pipe connector according to an embodiment of the present invention is applied.

The heat exchanger header pipe connector 100 according to an embodiment of the present invention is connected to the aluminum pipe 110 and the refrigerant pipe 300 side of a predetermined length connected to the header 210 side of the heat exchanger 200 made of aluminum. Consisting of a copper pipe 120 of a predetermined length. The copper pipe 120 described above may be formed in a refracted form according to various environments such as a position or a direction in which the refrigerant pipe 300 is piped.

In particular, the header pipe connector 100 according to the embodiment of the present invention has the same diameter as the outer diameter of the aluminum pipe 110 and the outer diameter of the copper pipe 120 as shown in FIG. 2. Therefore, the external parts of the aluminum pipe 110 and the copper pipe 120 are joined to each other so that the external parts are not formed in an uneven structure.

As described above, in order to match the outer diameters of the aluminum pipes 110 and the copper pipes 120, the inclined surfaces 112 inclined toward the inner circumference from the outer circumference to one end of the aluminum pipe 110. ) Is formed, and an external inclined surface 122 corresponding to the internal inclined surface 112 is formed in one end section of the copper pipe 120.

In particular, the outer portion of the circumferential inclined surface 122 formed in one end section of the copper pipe 120 is formed with an insertion portion 124 having a reduced diameter so that a predetermined portion is fitted to the inner circumference of the aluminum pipe 110. That is, the insertion portion 124 and the external inclined surface 122 are continuously formed in one end section of the copper pipe 120.

Meanwhile, in the heat exchanger header pipe connector 100 according to the preferred embodiment of the present invention, the length D1 of the internal inclined surface 112 of the aluminum pipe 110 and the external inclined surface 122 of the copper pipe 120 is formed. It is formed in the range of 4 to 6 mm. In addition, the length D2 of the insertion portion 124 of the copper pipe 120 is formed in the range of 2 to 4 mm.

One end section of the aluminum pipe 110 and one end section of the copper pipe 120 are mutually assembled as shown in FIG. 3, wherein the inclined surface 112 and the copper pipe 120 of the aluminum pipe 110 are assembled. Circumferential inclined surface 122 of) are in contact with each other. Insertion portion 124 formed in one end section of the copper pipe 120 is fitted to the inner circumference of the internal inclined surface 112 of the aluminum pipe (110).

As described above, in the state where one end section of the aluminum pipe 110 and one end section of the copper pipe 120 are assembled together, the aluminum pipe 110 and the copper pipe 120 are subjected to brazing welding. ) Are joined to each other. For more effective brazing welding, brazing welding is performed in a state in which a material is interposed between the internal inclined surface 112 and the external inclined surface 122.

Meanwhile, a jig is provided in a predetermined section in which one end section of the aluminum pipe 110 and one end section of the copper pipe 120 are interconnected so that one end portion of the relatively weak aluminum pipe 110 is not deformed during the brazing welding process. Can be installed.

4 is a header pipe connector 100 configured in the same manner as described above, the outer diameter of the aluminum pipe 110 and the outer diameter of the copper pipe 120 are formed to be the same, so that the appearance of the connecting portion is compared with that according to the prior art. Will be excellent.

And both ends of the header pipe connector 100 according to an embodiment of the present invention so as to be smoothly connected to the header 210 and the refrigerant pipe 300 of the heat exchanger 200 as shown in FIG. It has a reduced diameter structure.

In the header pipe connector 100 according to the embodiment of the present invention, a copper pipe 120 is applied as an object to be connected to the aluminum pipe 110 for convenience of description, but a copper pipe connected to the refrigerant pipe 300 side ( It is noted that 120 may be replaced with a stainless steel pipe that is superior in strength to the aluminum pipe 110.

The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea of the present invention.

100. Header Pipe End Connection 110. Aluminum Pipe
112. Internal inclined plane 120. Copper pipe
122. Externally inclined surface 124. Insertion part
200. Heat Exchanger 210. Header
300. Refrigerant Pipe

Claims (4)

In a heat exchanger header pipe connector, wherein one end of an aluminum pipe and one end of a copper pipe are connected to each other to connect between an aluminum heat exchanger header and a copper refrigerant pipe,
One end section of the aluminum pipe is formed as an inclined inclined surface inclined from the outer circumference to the inner circumference, the copper pipe is formed with the same or approximate outer diameter compared to the outer diameter of the aluminum pipe, and one end section in the inner circumference of the aluminum pipe. An insertion portion having a reduced diameter is formed to fit a predetermined portion, while an external inclined surface corresponding to the internal inclined surface of the aluminum pipe is continuously formed with the insert, such that the inclined surface of the aluminum pipe and the external inclined surface of the copper pipe are in contact with each other. A header pipe connector for a heat exchanger, wherein an aluminum pipe and a copper pipe are joined together by brazing welding in an assembled state. The header pipe connector for heat exchanger according to claim 1, wherein the inclined surface of the aluminum pipe and the inclined surface of the copper pipe are formed in a length range of 4 to 6 mm. 3. The header pipe connector of claim 2, wherein the insert of the copper pipe is formed within a length of 2 to 4 mm. The heat exchanger header pipe connector according to any one of claims 1 to 3, wherein brazing welding is performed between the internal inclined surface of the aluminum pipe and the external inclined surface of the copper pipe.
KR1020100003947A 2010-01-15 2010-01-15 Header pipe connector of the heat exchanger KR20110083953A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020100003947A KR20110083953A (en) 2010-01-15 2010-01-15 Header pipe connector of the heat exchanger
PCT/KR2011/000308 WO2011087326A2 (en) 2010-01-15 2011-01-14 Header pipe connector for a heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100003947A KR20110083953A (en) 2010-01-15 2010-01-15 Header pipe connector of the heat exchanger

Publications (1)

Publication Number Publication Date
KR20110083953A true KR20110083953A (en) 2011-07-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100003947A KR20110083953A (en) 2010-01-15 2010-01-15 Header pipe connector of the heat exchanger

Country Status (2)

Country Link
KR (1) KR20110083953A (en)
WO (1) WO2011087326A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014204039A1 (en) * 2013-06-20 2014-12-24 주식회사 고산 Refrigerant pipe connection structure for heat exchanger

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001165362A (en) * 1999-12-08 2001-06-22 Showa Alum Corp Method of eutectic joining of copper pipe and aluminium pipe, equipment for eutectic joining, and joined pipe
KR200406575Y1 (en) * 2005-10-26 2006-01-23 주식회사 고산 Header pipe connection implement for condensation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014204039A1 (en) * 2013-06-20 2014-12-24 주식회사 고산 Refrigerant pipe connection structure for heat exchanger

Also Published As

Publication number Publication date
WO2011087326A3 (en) 2011-11-17
WO2011087326A2 (en) 2011-07-21

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