KR200459178Y1 - Double tube type heat exchange pipe - Google Patents

Double tube type heat exchange pipe Download PDF

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Publication number
KR200459178Y1
KR200459178Y1 KR2020110006795U KR20110006795U KR200459178Y1 KR 200459178 Y1 KR200459178 Y1 KR 200459178Y1 KR 2020110006795 U KR2020110006795 U KR 2020110006795U KR 20110006795 U KR20110006795 U KR 20110006795U KR 200459178 Y1 KR200459178 Y1 KR 200459178Y1
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KR
South Korea
Prior art keywords
gas
liquid refrigerant
tube
inner tube
heat exchange
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KR2020110006795U
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Korean (ko)
Inventor
최건식
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최건식
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Priority to KR2020110006795U priority Critical patent/KR200459178Y1/en
Application granted granted Critical
Publication of KR200459178Y1 publication Critical patent/KR200459178Y1/en
Priority to RU2012129344/06A priority patent/RU2012129344A/en
Priority to US13/547,442 priority patent/US20130025834A1/en
Priority to JP2012160258A priority patent/JP2013029303A/en
Priority to CN2012102527941A priority patent/CN102901382A/en
Priority to EP12177930.0A priority patent/EP2551622A3/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F28F1/424—Means comprising outside portions integral with inside portions
    • F28F1/426—Means comprising outside portions integral with inside portions the outside portions and the inside portions forming parts of complementary shape, e.g. concave and convex
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/08—Tubular elements crimped or corrugated in longitudinal section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/10—Particular pattern of flow of the heat exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/08—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes pressed; stamped; deep-drawn

Abstract

본 고안은 이중관형 열교환파이프에 관한 것으로서, 유로공으로 기체 또는 액체 냉매가 통과되어 내부관이 냉각되고, 외관파이프의 관통공을 통해 공급되는 기체 또는 액체 냉매가 내부관에 형성된 제1집결홈에 집결되며, 내부관의 나선홈으로 기체 및 액체 냉매가 경유되되, 복수개의 돌기에 연속충돌되어 열교환작용으로 기체 및 액체 냉매가 냉각되고, 냉각된 기체 및 액체 냉매가 내부관의 제2집결홈에 집결되어 외부관의 관통공을 통해 외부로 배출된다.
본 발명에 따른 이중관형 열교환파이프는, 내부관의 제1,제2집결홈으로 기체 또는 액체 냉매가 집결되어 연속 공급 및 배출이 용이하고, 외부관 외면에 기체 또는 액체 냉매가 통과되는 관통공 펀칭(punching) 작업으로 제작이 간편하며, 외부관에 별도의 가공이 필요치 않아 부피면적이 최소화되고, 제작비용이 절감되며, 신속한 제작이 가능한 장점이 있다.The present invention relates to a double-tube type heat exchange pipe, the gas or liquid refrigerant is passed through the passage hole to cool the inner tube, the gas or liquid refrigerant supplied through the through-hole of the outer pipe is collected in the first collecting groove formed in the inner tube Gas and liquid refrigerant pass through the spiral groove of the inner tube, and continuously collide with a plurality of protrusions to cool the gas and liquid refrigerant by heat exchange, and the cooled gas and liquid refrigerant collect in the second collecting groove of the inner tube. It is discharged to the outside through the through hole of the outer tube.
In the double tube heat exchange pipe according to the present invention, gas or liquid refrigerant is collected into the first and second collecting grooves of the inner tube to facilitate continuous supply and discharge, and through hole punching through which the gas or liquid refrigerant passes through the outer tube outer surface. It is easy to manufacture by (punching) operation, there is no need for additional processing on the outer tube, so the volume area is minimized, manufacturing cost is reduced, and rapid production is possible.

Description

이중관형 열교환파이프{Double tube type heat exchange pipe }Double tube type heat exchange pipe

본 발명은 이중관형 열교환파이프에 관한 것으로서, 더욱 상세하게는 내부관의 나선홈으로 기체 및 액체가 경유되되, 복수개의 돌기에 연속충돌되어 열교환작용으로 냉각되고, 냉각된 기체 및 액체가 제2집결홈에 집결되어 관통공을 통해 배출되는 이중관형 열교환파이프에 관한 것이다.The present invention relates to a double-tube heat exchange pipe, and more particularly, gas and liquid are passed through spiral grooves of an inner tube, and are continuously collided with a plurality of protrusions to be cooled by heat exchange, and the cooled gas and liquid are collected in a second manner. The present invention relates to a double tube heat exchange pipe that is collected in a groove and discharged through a through hole.

일반적으로, 차량에 사용되는 공조장치는 하절기나 동절기에 자동차 실내를 냉,난방하거나 또는 우천시나 동절기에 윈드 실드에 끼게 되는 성에 등을 제거하여 운전자가 전,후방 시야를 확보할 수 있게 된다.In general, the air conditioner used in the vehicle is to cool the front and rear of the car in the summer or winter, or remove the frost that is put on the wind shield during the rain or winter, the driver can secure the front and rear view.

상기한 공조장치는 난방시스템과 냉방시스템을 동시에 갖추고 있어, 외기나 내기를 선택적으로 도입하여 그 공기를 가열 또는 냉각한 다음 자동차의 실내에 송풍함으로써 자동차 실내를 냉,난방하거나 또는 환기하게 된다.The air conditioner is equipped with a heating system and a cooling system at the same time, by selectively introducing the outside air or bet to heat or cool the air and then blow into the interior of the vehicle to cool, heat or ventilate the interior of the vehicle.

이때, 상기의 공조장치에는 자동차 실내로 공급되는 공기를 냉각하는 이중관형 내부 열교환기가 구비되고, 도 1은 이중관형 내부 열교환기를 나타낸 단면도이다.At this time, the air conditioner is provided with a double tube internal heat exchanger for cooling the air supplied to the vehicle interior, Figure 1 is a cross-sectional view showing a double tube internal heat exchanger.

내부에 저압유로(11)가 형성되어 있고, 외면에 고압이 경유되는 나선부(12)가 형성되어 있는 내부관(10)과, 상기 내부관(10)의 외주면에 이중관 구조로 결합됨과 동시에 고압유로(21)를 형성하고, 양끝 부분의 외주면에 기체가 공급 및 배출되는 입,출구 파이프(22,23)가 결합되어 있는 외부관(20)으로 구성된다.A low pressure passage 11 is formed therein, and an inner tube 10 having a spiral portion 12 formed on the outer surface of the inner tube 10 and a double tube structure on the outer circumferential surface of the inner tube 10 and at the same time It consists of an outer tube 20 which forms a flow path 21 and is coupled to the inlet and outlet pipes 22 and 23 through which gas is supplied and discharged to the outer circumferential surfaces of both ends.

이때, 상기 내부관(10)의 저압유로(11)로 냉매가 통과되어 상기 내부관(11)이 냉각되고, 상기 내부관(10)의 나선부(12)에 의해 형성된 고압유로(21)로 기체가 통과되면서 상기 내부관(10)과 열교환작용되어 기체가 냉각된 상태로 자동차 내부로 공급된다.At this time, the refrigerant passes through the low pressure passage 11 of the inner tube 10, and the inner tube 11 is cooled, and the high pressure passage 21 formed by the spiral portion 12 of the inner tube 10. As the gas passes through the inner tube 10, the gas is exchanged with the inner tube 10, and the gas is cooled and supplied into the vehicle.

또한, 상기 외부관(20)의 외주면은 상기 내부관(10)의 직경과 동일한 직경으로 형성되되, 입,출구 파이프(22,23)가 결합되는 상기 외부관(20)의 외주면 양끝 부분이 정해진 폭으로 확관된 확관부(24)가 형성된다.In addition, the outer circumferential surface of the outer tube 20 is formed with the same diameter as the diameter of the inner tube 10, both ends of the outer circumferential surface of the outer tube 20 to which the inlet and outlet pipes 22 and 23 are coupled An expansion tube 24 is formed which is widened in width.

또한, 상기 외부관(20)의 확관부(24)중 어느 하나는 입구파이프(22)를 통해 공급되는 기체가 상기 고압유로(21)로 연속 공급되도록 정해진 량을 집결시키되, 또 다른 하나는 열교환작용으로 냉각된 기체가 배출파이프(23)를 통해 연속 배출되도록 정해진 량을 집결시키게 된다.In addition, any one of the expansion tube 24 of the outer tube 20 collects a predetermined amount so that the gas supplied through the inlet pipe 22 is continuously supplied to the high pressure passage 21, the other is a heat exchange The gas cooled by the action is collected in a predetermined amount so as to be continuously discharged through the discharge pipe 23.

하지만, 상기와 같이 기체를 입,출구 파이프(22,23)로 연속되게 공급 및 배출시키기 위해 외부관(20)에 확관부(24)를 형성하여 기체를 집결시키는 구조는, 외부관(20)의 특정 구간에 확관부(24)를 형성해야 하는 어려움이 있고, 확관부(24)의 형성으로 외부관(20)의 부피면적이 증가되며, 외부관(20)을 제조하는 제조비용이 증가되고, 제작기간이 오래걸리는 문제점이 있다.However, in order to continuously supply and discharge the gas into the inlet and outlet pipes 22 and 23 as described above, the structure for collecting the gas by forming the expansion tube 24 in the outer tube 20 is the outer tube 20. There is a difficulty in forming the expansion tube 24 in a specific section of, the volume area of the outer tube 20 is increased by the formation of the expansion tube 24, the manufacturing cost of manufacturing the outer tube 20 is increased There is a problem that the production period takes a long time.

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로, 본 발명의 목적은, 유로공으로 기체 또는 액체 냉매가 통과되어 내부관이 냉각되고, 외관파이프의 관통공을 통해 공급되는 기체 또는 액체 냉매가 내부관에 형성된 제1집결홈에 집결되며, 내부관의 나선홈으로 기체 및 액체 냉매가 경유되되, 복수개의 돌기에 연속충돌되어 열교환작용으로 기체 및 액체 냉매가 냉각되고, 냉각된 기체 및 액체 냉매가 내부관의 제2집결홈에 집결되어 외부관의 관통공을 통해 외부로 배출되는 이중관형 열교환파이프를 제공하는 것이다.The present invention is to solve the above problems, an object of the present invention, the inner tube is cooled by passing the gas or liquid refrigerant to the passage hole, the gas or liquid refrigerant supplied through the through-hole of the outer pipe is the inner tube Gathered in the first collecting groove formed in the gas pipe, the gas and liquid refrigerant via the spiral groove of the inner tube, the continuous collision with a plurality of projections to cool the gas and liquid refrigerant by heat exchange action, the cooled gas and liquid refrigerant inside It is to provide a double tube heat exchange pipe that is collected in the second collecting groove of the tube and discharged to the outside through the through-hole of the outer tube.

또한, 외부관의 관통공 직경이 내부 파이프의 제1,제2집결홈 폭보다 작게 형성됨으로써, 외부관의 관통공을 통해 기체 또는 액체 냉매가 연속되게 공급 또는 배출되는 이중관형 열교환파이프를 제공하는 것이다.In addition, the through-hole diameter of the outer tube is formed to be smaller than the width of the first and second collecting grooves of the inner pipe, thereby providing a double tube heat exchange pipe through which the gas or liquid refrigerant is continuously supplied or discharged through the through-hole of the outer tube. will be.

상술한 바와 같은 본 고안의 목적을 달성하기 위하여, 본 고안에 따른 이중관형 열교환파이프는, 중공형상으로 기체 또는 액체 냉매가 통과되는 유로공이 형성되어 있고, 외면에 길이방향을 따라 정해진 간격으로 이격된 환형의 나선홈이 형성되어 있으며, 상기 나선홈을 따라 복수개의 돌기가 돌출 형성되어 있고, 상기 나선홈의 양 끝단에 기체 또는 액체 냉매가 집결되는 제1,제2집결홈이 형성되어 있는 내부관;과 중공형상으로 상기 내부관 외면에 밀착결합되고, 외주면 양끝 부분에 상기 내부관의 제1,제2집결홈과 연통되는 관통공이 형성되어 있는 외부관;으로 구성되는 것을 특징으로 한다.In order to achieve the object of the present invention as described above, the double tube heat exchange pipe according to the present invention, a flow path hole through which gas or liquid refrigerant is passed in a hollow shape is formed, spaced apart at predetermined intervals along the longitudinal direction on the outer surface An inner tube having an annular spiral groove, a plurality of protrusions protruding from the spiral groove, and formed with first and second collecting grooves for collecting gas or liquid refrigerant at both ends of the spiral groove. And an outer tube closely coupled to the inner tube outer surface in a hollow shape, and through holes communicating with the first and second collecting grooves of the inner tube at both ends of the outer circumferential surface thereof.

본 고안에 따른 이중관형 열교환파이프에 있어서, 상기 외부관의 관통공 직경이 상기 내부관의 제1,제2집결홈 폭보다 작게 형성되어 있는 것을 특징으로 한다.In the double-tube heat exchange pipe according to the present invention, the through-hole diameter of the outer tube is formed smaller than the width of the first and second collecting grooves of the inner tube.

본 고안에 따른 이중관형 열교환파이프에 있어서, 상기 제1,제2집결홈의 외면에는 복수개의 돌기가 돌출 형성되어 있는 것을 특징으로 한다.In the double tube heat exchange pipe according to the present invention, a plurality of protrusions protrude from the outer surface of the first and second collecting grooves.

본 고안에 따른 이중관형 열교환파이프에 있어서, 상기 내부관은 알루미늄, 구리 또는 구리합금중 어느 하나의 재질로 형성된 것을 특징으로 한다.In the double tube heat exchange pipe according to the present invention, the inner tube is characterized in that formed of any one material of aluminum, copper or copper alloy.

본 고안에 따른 이중관형 열교환파이프에 있어서, 상기 제1,제2집결홈은 반구형, 타원형 또는 다각형상중 어느 하나로 형성되어 있는 것을 특징으로 한다.In the double tube heat exchange pipe according to the present invention, the first and second collecting grooves are formed in any one of hemispherical, elliptical or polygonal shape.

본 고안에 따른 이중관형 열교환파이프에 있어서, 상기 돌기는 원형, 반구형, 타원형 또는 다각형상중 어느 하나로 형성되어 있는 것을 특징으로 한다.In the double tube heat exchange pipe according to the present invention, the protrusion is characterized in that formed in any one of a circular, hemispherical, elliptical or polygonal shape.

상술한 바와 같은 본 발명에 따른 이중관형 열교환파이프는, 내부관의 제1,제2집결홈으로 기체 또는 액체 냉매가 집결되어 연속 공급 및 배출이 용이하고, 외부관 외면에 기체 또는 액체 냉매가 통과되는 관통공 펀칭(punching) 작업으로 제작이 간편하며, 외부관에 별도의 가공이 필요치 않아 부피면적이 최소화되고, 제작비용이 절감되며, 신속한 제작이 가능한 장점이 있다.In the double tube heat exchange pipe according to the present invention as described above, the gas or liquid refrigerant is collected into the first and second collecting grooves of the inner tube to facilitate continuous supply and discharge, and the gas or liquid refrigerant passes through the outer tube outer surface. It is easy to manufacture through the punching (punching) through the work, and does not require a separate processing on the outer tube, the volume area is minimized, the manufacturing cost is reduced, and there is an advantage that can be produced quickly.

도 1은 종래기술에 따른 이중관형 내부 열교환기를 나타낸 단면도.
도 2는 본 발명에 따른 이중관형 열교환파이프가 차량용 냉각장치에 설치된 상태를 나타낸 개략도면.
도 3은 본 발명에 따른 이중관형 열교환파이프를 나타낸 사시도.
도 4는 본 발명에 따른 이중관형 열교환파이프의 분해 사시도.
도 5는 본 발명에 따른 이중관형 열교환파이프가 사용되는 상태를 나타낸 측 단면도.1 is a cross-sectional view showing a double tube internal heat exchanger according to the prior art.
Figure 2 is a schematic diagram showing a state in which the double tube heat exchange pipe according to the present invention is installed in the vehicle cooling apparatus.
Figure 3 is a perspective view of a double tube heat exchange pipe according to the present invention.
Figure 4 is an exploded perspective view of a double tube heat exchange pipe according to the present invention.
Figure 5 is a side cross-sectional view showing a state in which a double tube heat exchange pipe according to the present invention is used.

이하, 본 고안의 실시예를 첨부한 도면을 참조하여 더욱 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings an embodiment of the present invention will be described in more detail.

도 2는 본 발명에 따른 이중관형 열교환파이프가 차량용 냉각장치에 설치된 상태를 나타낸 개략도면이고, 도 3은 본 발명에 따른 이중관형 열교환파이프를 나타낸 사시도이며, 도 4는 본 발명에 따른 이중관형 열교환파이프의 분해 사시도이고, 도 5는 본 발명에 따른 이중관형 열교환파이프가 사용되는 상태를 나타낸 측 단면도이다.Figure 2 is a schematic diagram showing a state in which the double tube heat exchange pipe according to the present invention is installed in a vehicle cooling apparatus, Figure 3 is a perspective view showing a double tube heat exchange pipe according to the present invention, Figure 4 is a double tube heat exchanger according to the present invention 5 is an exploded perspective view of a pipe, and FIG. 5 is a side cross-sectional view showing a state in which a double tube heat exchange pipe according to the present invention is used.

내부관(100)은 중공형상으로 기체 또는 액체 냉매가 통과되는 유로공(101)이 형성되어 있고, 외면에 길이방향을 따라 정해진 간격으로 이격된 환형의 나선홈(102)이 형성되어 있으며, 상기 나선홈(102)을 따라 복수개의 돌기(103)가 돌출 형성되어 있고, 상기 나선홈(102)의 양 끝단에 기체 또는 액체 냉매가 집결되는 제1,제2집결홈(104a,104b)이 형성된다.The inner tube 100 has a hollow hole formed in the passage hole 101 through which gas or liquid refrigerant passes, and has an annular spiral groove 102 spaced apart at regular intervals along the longitudinal direction on the outer surface thereof. A plurality of protrusions 103 protrude along the spiral groove 102, and first and second collecting grooves 104a and 104b are formed at both ends of the spiral groove 102 to collect gas or liquid refrigerant. do.

상기 내부관(100)은 유로공(101)으로 기체 또는 액체 냉매를 통과시켜 냉각된다.The inner tube 100 is cooled by passing a gas or liquid refrigerant into the flow path hole 101.

상기 내부관(100)은 상기 제1집결홈(104a)에 외부에서 공급되는 기체 또는 액체냉매를 집결시켜, 상기 나선홈(102)으로 기체 또는 액체 냉매가 연속 공급되고, 상기 제2집결홈(104b)으로 냉각된 기체 또는 액체 냉매가 집결되어 외부로 기체 또는 액체 냉매가 연속 배출된다.The inner tube 100 collects the gas or liquid refrigerant supplied from the outside into the first collecting groove 104a, so that the gas or the liquid refrigerant is continuously supplied to the spiral groove 102, and the second collecting groove ( The gas or liquid refrigerant cooled by 104b) is collected to continuously discharge the gas or liquid refrigerant to the outside.

상기 제1,제2집결홈(104a,104b)의 폭은 상기 외부관(200)의 관통공(201) 직경보다 넓게 형성되는 것이 바람직하다.The width of the first and second collecting grooves 104a and 104b may be wider than the diameter of the through hole 201 of the outer tube 200.

상기 제1,제2집결홈(104a,104b)은 반구형, 타원형 또는 다각형상중 어느 하나로 형성된다.The first and second collecting grooves 104a and 104b are formed in any one of a hemispherical shape, an oval shape, and a polygonal shape.

상기 제1,제2집결홈(104a,104b)의 외면에는 복수개의 돌기(103')가 돌출 형성되어있어, 상기 제1집결홈(104a)으로 집결되는 기체 또는 액체 냉매가 상기 돌기(103')에 연속충돌되어 열교환작용후 상기 나선홈(102)으로 공급되어 냉각효율이 상승되고, 상기 제2집결홈(104b)으로 집결되는 냉각된 기체 또는 액체 냉매가 상기 제2집결홈(104b)에서 상기 돌기(103')에 충돌됨으로써 연속냉각되어 외부로 배출된다.A plurality of protrusions 103 'protrude from the outer surfaces of the first and second collecting grooves 104a and 104b, so that the gas or liquid refrigerant collected into the first collecting grooves 104a is the protrusion 103'. ) Is continuously collided and supplied to the spiral groove 102 after heat exchange to increase the cooling efficiency, and the cooled gas or liquid refrigerant collected into the second collecting groove 104b is discharged from the second collecting groove 104b. By colliding with the protrusion 103 ′, it is continuously cooled and discharged to the outside.

상기 내부관(100)은 상기 나선홈(102)으로 기체 또는 액체 냉매를 경유시킴으로써, 상기 나선홈(102)을 따라 형성된 복수개의 돌기(103)에 기체 또는 액체 냉매가 충돌되어 신속한 냉각이 이루어진다.The inner tube 100 passes through a gas or liquid refrigerant to the spiral groove 102, whereby a gas or liquid refrigerant collides with a plurality of protrusions 103 formed along the spiral groove 102, thereby enabling rapid cooling.

상기 내부관(100)은 상기 나선홈(102) 간의 간격이 좁아짐에 따라, 상기 나선홈(102)으로 경유되어 냉각되는 기체 또는 액체 냉매의 온도 변화속도가 상승되고, 상기 나선홈(102)의 간격이 넓어짐에 따라 냉각되는 기체 또는 액체 냉매의 변화속도가 저하된다.As the interval between the spiral grooves 102 becomes narrow, the inner tube 100 increases the temperature change rate of the gas or liquid refrigerant that is cooled by the spiral grooves 102, As the spacing increases, the rate of change of the gas or liquid refrigerant to be cooled decreases.

상기 나선홈(102)의 간격과 각도는 사용자의 선택에 따라 조절되어 제작될 수 있다.An interval and an angle of the spiral groove 102 may be adjusted and manufactured according to a user's selection.

상기 내부관(100)은 기체와 열교환작용되는 상기 돌기(103,103') 갯수에 따라 기체 또는 액체 냉매의 온도 저하 속도가 변화되고, 상기 돌기(103,103')의 갯수는 사용자의 선택에 따라 조절되어 제작될 수 있다.The inner tube 100 is a temperature reduction rate of the gas or liquid refrigerant is changed according to the number of the projections (103, 103 ') heat-exchanging with the gas, the number of the projections (103, 103') is adjusted to the user's selection produced Can be.

상기 내부관(100)의 돌기(103,103')는 원형, 반구형, 타원형 또는 다각형 중 어느 하나로 형성된다.The protrusions 103 and 103 'of the inner tube 100 are formed of any one of a circular, hemispherical, elliptical or polygonal shape.

상기 내부관(100)은 알루미늄, 구리 또는 구리합금중 어느 하나의 재질로 형성된다.The inner tube 100 is formed of any one material of aluminum, copper or copper alloy.

상기 내부관(100)은 열전도율이 우수한 구리재질로 제작되는 것이 바람직하고, 사용자의 선택에 따라 비철금속 재질로 제작될 수도 있다.The inner tube 100 is preferably made of a copper material excellent in thermal conductivity, it may be made of a non-ferrous metal material according to the user's selection.

외부관(200)은 중공형상으로 상기 내부관(100) 외면에 밀착결합되고, 외주면 양끝 부분에 상기 내부관(100)의 제1,제2집결홈(104a,104b)과 연통되는 관통공(201)이 형성된다.The outer tube 200 is in a hollow shape and tightly coupled to the outer surface of the inner tube 100, and through holes communicating with the first and second collecting grooves 104a and 104b of the inner tube 100 at both ends of the outer circumferential surface thereof. 201) is formed.

상기 외부관(200)은 상기 내부관(100) 외면에 밀착결합되어 상기 나선홈(102)으로 기체 또는 액체 냉매가 경유되도록 안내한다.The outer tube 200 is tightly coupled to the outer surface of the inner tube 100 to guide the spiral groove 102 to the gas or liquid refrigerant via.

상기 외부관(200)은 어느 하나의 상기 관통공(201)을 통해 기체 또는 액체 냉매를 공급받되, 또 다른 하나의 상기 관통공(201)을 통해 기체 또는 액체 냉매를 배출하게 된다.The outer tube 200 receives gas or liquid refrigerant through one of the through holes 201, and discharges gas or liquid refrigerant through another one of the through holes 201.

상기 외부관(200)은 상기 관통공(201)에 입구파이프(301)와 출구파이프(302)가 각각 설치된다.The outer pipe 200 is provided with an inlet pipe 301 and an outlet pipe 302 in the through hole 201, respectively.

상기 외부관(200)은 외면이 평평한 원통형상으로 형성되는 것이 바람직하다.The outer tube 200 is preferably formed in a cylindrical shape having an outer surface.

상기 외부관(200)은 관통공(201)의 직경이 상기 내부관(100)의 제1,제2집결홈(104a,104b) 폭보다 작게 형성된다.The outer tube 200 has a diameter of the through hole 201 is smaller than the width of the first and second collecting grooves 104a and 104b of the inner tube 100.

상기와 같이 구성되는 본 고안에 따른 이중관형 열교환파이프는 다음과 같이 사용되고, 본 고안에서는 이중관형 열교환파이프가 차량용 냉각장치에 설치된 상태를 예로 들어 설명하도록 한다.The double pipe heat exchange pipe according to the present invention configured as described above is used as follows, and in the present invention, the double pipe heat exchange pipe is installed as an example in a vehicle cooling apparatus.

먼저, 기체를 압축하는 압축기(400)가 구비되어 있고, 상기 압축기(400)와 연결되어 상기 압축기(400)에서 토출된 기체를 응축하는 응축기(500)가 설치되어 있으며, 상기 응축기(500)와 연결되어 상기 응축기(500)에서 토출된 고온고압의 액체 냉매를 공급받는 외부관(200)이 형성되어 있고, 상기 외부관(200) 내부로 구비되어 상기 외부관(200)으로 공급되는 액체 냉매를 외면에 형성된 나선홈(102)으로 경유시키는 내부관(100)이 구비되어 있으며, 상기 외부관(200)과 연결되어 상기 내부관(100)의 나선홈(102)으로 통과되어 배출된 액체 냉매를 감압/팽창시켜 저온저압의 기체 냉매로 변화시키는 팽창밸브(600)가 설치되어 있고, 상기 팽창밸브(600)와 연결되어 저온저압의 기체 냉매를 저온저압의 액체 냉매로 변화시키는 증발기(700)가 설치되어 있으며, 상기 증발기(700)가 유로공(101)과 연통되게 상기 내부관(100)의 일단과 연결되되, 타단이 상기 압축기(400)와 연결되는 구조이다. 이때, 냉각장치를 작동시키게 되면, 상기 압축기(400)에서 토출된 고온고압의 기체가 상기 응축기(500)로 공급되고, 상기 응축기(500)를 통해 응축된 고온고압의 액체 냉매가 상기 외부관(200)으로 공급되며, 상기 외부관(200)으로 공급된 고온고압의 액체 냉매가 상기 내부관(100)의 나선홈(102)으로 경유되되, 복수개의 돌기(103)에 연속충돌되어 신속하게 냉각되고, 냉각된 액체 냉매가 상기 팽창밸브(600)를 통해 저온저압의 기체 냉매로 변화되어 상기 증발기(700)로 공급되며, 상기 증발기(700)에서 토출되는 저온저압의 액체 냉매가 상기 내부관(100)의 유로공(101)으로 통과되어 압축기(400)로 재이송됨과 동시에 상기 내부관(100)이 냉각되고, 냉각된 상기 내부관(100)의 나선홈(102)으로 경유되는 액체 냉매가 열교환작용으로 냉각된다.First, a compressor 400 for compressing gas is provided, and a condenser 500 is connected to the compressor 400 to condense the gas discharged from the compressor 400, and the condenser 500 The outer tube 200 is connected to receive the liquid refrigerant of the high temperature and high pressure discharged from the condenser 500, the liquid refrigerant is provided in the outer tube 200 and supplied to the outer tube 200 An inner tube 100 is provided to pass through the spiral groove 102 formed on the outer surface, and is connected to the outer tube 200 to pass through the spiral groove 102 of the inner tube 100 to discharge the liquid refrigerant. An expansion valve 600 is installed to reduce the pressure / expansion to a low temperature low pressure gas refrigerant. An evaporator 700 is connected to the expansion valve 600 to change the low temperature low pressure gas refrigerant into a low temperature low pressure liquid refrigerant. Is installed, the evaporator 700 is Be in communication with rogong 101 doedoe connected to one end of the inner tube 100, a structure in which the other end is connected to the compressor 400. At this time, when the cooling device is operated, the high temperature and high pressure gas discharged from the compressor 400 is supplied to the condenser 500, and the high temperature and high pressure liquid refrigerant condensed through the condenser 500 is supplied to the outer tube ( 200 is supplied to the outer tube 200, the high-temperature, high-pressure liquid refrigerant is passed through the spiral groove 102 of the inner tube 100, it is continuously crashed into a plurality of protrusions 103 to cool rapidly And, the cooled liquid refrigerant is converted into a low temperature low pressure gas refrigerant through the expansion valve 600 is supplied to the evaporator 700, the low temperature low pressure liquid refrigerant discharged from the evaporator 700 is the inner tube ( Passed through the passage hole 101 of 100 and re-transmitted to the compressor 400, the inner tube 100 is cooled, and the liquid refrigerant passing through the spiral groove 102 of the cooled inner tube 100 is Cooled by heat exchange.

이때, 상기한 과정은 순환 반복되어 차량의 실내측으로 송풍되는 공기가 냉각된다.At this time, the above-described process is repeated to cool the air blown to the indoor side of the vehicle.

또한, 상기 증발기(700)로 유입된 저온저압의 기체 냉매는, 차량 실내측으로 송풍되는 공기와 열교환되어 증발함과 동시에 냉매의 증발잠열에 의한 흡열작용으로 차량 실내로 송풍되는 공기를 냉각시키고, 저온저압의 냉매로 변화된다.In addition, the low-temperature low-pressure gas refrigerant introduced into the evaporator 700, the heat exchanged with the air blown to the vehicle interior side to evaporate, and at the same time to cool the air blown into the vehicle interior by the endothermic action by the latent heat of evaporation of the refrigerant, It is changed into a low pressure refrigerant.

또한, 상기 외부관(200)을 통해 공급되는 액체 냉매는 상기 내부관(100)의 제1집결홈(104a)에 집결되고, 상기 제1집결홈(104a)에 집결된 액체 냉매는 상기 나선홈(102)으로 공급되어 열교환작용으로 냉각되며, 상기 나선홈(102)으로 경유되어 냉각된 액체 냉매는 상기 제2집결홈(104b)에 집결되며, 상기 제2집결홈(104b)에 집결된 액체 냉매는 상기 외부관(200)의 관통공(201)을 통해 상기 팽창밸브(600)로 공급된다.In addition, the liquid refrigerant supplied through the outer tube 200 is collected in the first collecting groove 104a of the inner tube 100, and the liquid refrigerant collected in the first collecting groove 104a is the spiral groove. The liquid refrigerant supplied to (102) and cooled by a heat exchange action and cooled by the spiral groove (102) is collected in the second collecting groove (104b) and the liquid collected in the second collecting groove (104b). The refrigerant is supplied to the expansion valve 600 through the through hole 201 of the outer tube 200.

이때, 상기 제1,제2집결홈(104a,104b)에 집결되는 액체 냉매에 의해 상기 나선홈(102) 및 상기 팽창밸브(600)로 공급되는 액체 냉매의 흐름이 연속된다.At this time, the flow of the liquid refrigerant supplied to the spiral groove 102 and the expansion valve 600 is continuous by the liquid refrigerant collected in the first and second collecting grooves 104a and 104b.

또한, 상기 제1,제2집결홈(104a,104b)의 형상은 사용자의 선택에 따라 반구형, 타원형 또는 다각형상중 어느 하나로 형성될 수 있다.In addition, the first and second collecting grooves 104a and 104b may be formed in one of a hemispherical shape, an oval shape, or a polygonal shape according to a user's selection.

한편, 상기 내부관(100)은 상기 제1,제2집결홈(104a,104b)의 폭이 상기 외부관(200)의 관통공(201) 직경보다 넓게 형성됨으로써, 액체 냉매가 집결되는 량이 증가되어 상기 나선홈(102)과 상기 팽창밸브(600)로 공급되는 액체 냉매의 공급량이 저하되는 것이 방지된다.On the other hand, the inner tube 100 is the width of the first and second collecting grooves (104a, 104b) is formed wider than the diameter of the through-hole 201 of the outer tube 200, the amount of liquid refrigerant is increased Thus, the supply amount of the liquid refrigerant supplied to the spiral groove 102 and the expansion valve 600 is prevented from being lowered.

이때, 상기 제1,제2집결홈(104a,104b)의 외면에는 복수개의 돌기(103')가 돌출 형성되어있어, 상기 제1집결홈(104a)으로 집결되는 기체 또는 액체 냉매가 상기 돌기(103')에 연속충돌되어 열교환작용후 상기 나선홈(102)으로 공급되어 냉각효율이 상승되고, 상기 제2집결홈(104b)으로 집결되는 냉각된 기체 또는 액체 냉매가 상기 제2집결홈(104b)에서 상기 돌기(103')에 충돌됨으로써 연속냉각되어 외부로 배출된다.In this case, a plurality of protrusions 103 ′ protrude from the outer surfaces of the first and second collecting grooves 104a and 104b so that the gas or liquid refrigerant collected into the first collecting grooves 104a may be formed in the protrusions. 103 ') is continuously collided and supplied to the spiral groove 102 after the heat exchange action to increase the cooling efficiency, and the cooled gas or liquid refrigerant collected into the second collecting groove 104b is the second collecting groove 104b. ) By being impinged on the protrusion 103 'is continuously cooled and discharged to the outside.

또한, 상기 내부관(100)의 나선홈(102) 간격이 좁아짐에 따라, 상기 나선홈(102)으로 경유되어 냉각되는 기체 또는 액체 냉매의 온도 변화속도가 상승되고, 상기 나선홈(102)의 간격이 넓어짐에 따라 냉각되는 기체 또는 액체 냉매의 변화속도가 저하된다.In addition, as the interval between the spiral grooves 102 of the inner tube 100 is narrowed, the temperature change rate of the gas or liquid refrigerant that is cooled by the spiral grooves 102 is increased, and the spiral grooves 102 As the spacing increases, the rate of change of the gas or liquid refrigerant to be cooled decreases.

이때, 상기 나선홈(102)의 간격과 각도는 사용자의 선택에 따라 조절되어 제작될 수 있다.At this time, the spacing and angle of the spiral groove 102 may be adjusted and manufactured according to the user's selection.

또한, 상기 내부관(100)은 기체와 열교환작용되는 상기 돌기(103,103') 갯수에 따라 기체 또는 액체 냉매의 온도 저하 속도가 변화되고, 상기 돌기(103,103')의 갯수는 사용자의 선택에 따라 조절되어 제작될 수 있으며, 상기 돌기(103,103')는 원형, 반구형, 타원형 또는 다각형상 중 어느 하나로 형성될 수 있다.In addition, the inner tube 100 is a temperature reduction rate of the gas or liquid refrigerant is changed in accordance with the number of the projections (103, 103 ') heat exchange with the gas, the number of the projections (103, 103') is adjusted according to the user's selection The protrusions 103 and 103 'may be formed in any one of a circular, hemispherical, elliptical or polygonal shape.

이때, 상기 돌기(103,103')의 형상에 따라 기체 또는 액체 냉매의 온도 저하 속도가 변화될 수 있다.In this case, the temperature drop rate of the gas or liquid refrigerant may be changed according to the shape of the protrusions 103 and 103 ′.

또한, 상기 내부관(100)은 알루미늄, 구리 또는 구리합금중 어느 하나의 재질로 형성될 수 있으며, 열전도율이 우수한 구리재질로 제작되는 것이 바람직하며, 사용자의 선택에 따라 비철금속 재질로 제작될 수도 있다.In addition, the inner tube 100 may be formed of any one material of aluminum, copper or copper alloy, preferably made of a copper material having excellent thermal conductivity, and may be made of a nonferrous metal material according to a user's selection. .

이어서, 상기 외부관(200)은 상기 내부관(100) 외면에 밀착결합되어 상기 나선홈(102)으로 기체 또는 액체 냉매가 경유되도록 안내하고, 어느 하나의 상기 관통공(201)을 통해 기체 또는 액체 냉매를 공급받되, 또 다른 하나의 상기 관통공(201)을 통해 기체 또는 액체 냉매를 배출하게 된다.Subsequently, the outer tube 200 is tightly coupled to the outer surface of the inner tube 100 to guide the gas or liquid refrigerant to the spiral groove 102 via the one or more through holes 201. The liquid coolant is supplied, but the gas or liquid coolant is discharged through another through hole 201.

이때, 각각의 상기 관통공(201)에는 입구파이프(301)와 출구파이프(302)가 각각 설치되어 액체 냉매의 공급 및 배출을 안내하는 것이 바람직하다.At this time, it is preferable that the inlet pipe 301 and the outlet pipe 302 are installed in each of the through holes 201 to guide the supply and discharge of the liquid refrigerant.

또한, 상기 외부관(200)은 외면이 평평한 원통형상으로 형성되는 것이 바람직하다.In addition, the outer tube 200 is preferably formed in a cylindrical shape with an outer surface flat.

또한, 상기 외부관(200)은 관통공(201)의 직경이 상기 내부관(100)의 제1,제2집결홈(104a,104b) 폭보다 작게 형성된다.In addition, the outer tube 200 has a diameter of the through hole 201 is smaller than the width of the first and second collecting grooves 104a and 104b of the inner tube 100.

본 고안에서는 이중관형 열교환파이프가 차량용 냉각장치에 설치되어 사용되는 상태를 예로 들어 설명하였고, 이에 따라, 내부관(100)의 유로공(101)으로 저온저압의 액체 냉매가 통과되되, 내부관(100)의 나선홈(102)으로 고온고압의 액체 냉매가 통과되어 액체 냉매가 냉각되는 것으로 기술되었지만, 냉각장치에 따라 액체 냉매 대신 기체 냉매가 공급되어 사용될 수 있다.In the present invention, a state in which the double tube heat exchanger pipe is installed and used in a vehicle cooling apparatus has been described as an example. Accordingly, the low-temperature low-pressure liquid refrigerant passes through the flow path 101 of the inner tube 100, and the inner tube ( Although it has been described that the liquid refrigerant of high temperature and high pressure passes through the spiral groove 102 of 100, and the liquid refrigerant is cooled, a gaseous refrigerant may be supplied and used instead of the liquid refrigerant according to the cooling device.

상기와 같이 외부관(200)의 관통공(201)을 통해 공급되는 기체 또는 액체 냉매가 내부관(100)의 제1집결홈(104a)에 집결되어 나선홈(102)으로 공급되되, 나선홈(102)으로 경유되어 냉각된 기체 또는 액체 냉매가 제2집결홈(104b)에 집결되어 외부관(200)의 관통공(201)을 통해 배출되는 구조는, 내부관(100)의 제1,제2집결홈(104a,104b)으로 기체 또는 액체 냉매가 집결되어 연속 공급 및 배출이 용이하고, 외부관(200) 외면에 기체 또는 액체 냉매가 통과되는 관통공(201) 펀칭(punching) 작업으로 제작이 간편하며, 외부관(200)에 별도의 가공이 필요치 않아 부피면적이 최소화된다.As described above, the gas or liquid refrigerant supplied through the through hole 201 of the outer tube 200 is collected in the first collecting groove 104a of the inner tube 100 and supplied to the spiral groove 102. The structure in which the gas or liquid refrigerant cooled via the 102 is collected in the second collecting groove 104b and discharged through the through-hole 201 of the outer tube 200 is provided in the first tube of the inner tube 100. Gas or liquid refrigerant is collected into the second collecting grooves 104a and 104b to facilitate continuous supply and discharge, and a through-hole 201 punching operation through which gas or liquid refrigerant passes through an outer surface of the outer tube 200. It is easy to manufacture and the volume area is minimized because no separate processing is required for the outer tube (200).

이상에서 설명한 본 고안에 따른 냉각관은 상기한 실시예에 한정되지 않고, 이하의 실용신안등록청구범위에서 청구하는 본 고안의 요지를 벗어남이 없이 본 고안이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양하게 변경하여 실시할 수 있는 범위까지 본 고안의 기술적 정신이 있다고 할 것이다The cooling tube according to the present invention described above is not limited to the above embodiments, and those skilled in the art to which the present invention pertains without departing from the gist of the present invention claimed in the utility model registration claims below. It will be said that there is a technical spirit of the present invention to the extent that anyone can make various changes.

100 : 내부관 101 : 유로공
102 : 나선홈 103,103' : 돌기
104a : 제1집결홈 104b : 제2집결홈
200 : 외부관 201 : 관통공
301 : 입구파이프 302 : 출구파이프
400 : 압축기 500 : 응축기
600 : 팽창밸브 700 : 증발기100: inner tube 101: euro ball
102: spiral groove 103,103 ': protrusion
104a: first gathering groove 104b: second gathering groove
200: outer tube 201: through hole
301: inlet pipe 302: outlet pipe
400: compressor 500: condenser
600: expansion valve 700: evaporator

Claims (6)

중공형상으로 기체 또는 액체 냉매가 통과되는 유로공(101)이 형성되어 있고, 외면에 길이방향을 따라 정해진 간격으로 이격된 환형의 나선홈(102)이 형성되어 있으며, 상기 나선홈(102)을 따라 복수개의 돌기(103)가 돌출 형성되어 있고, 상기 나선홈(102)의 양 끝단에 기체 또는 액체 냉매가 집결되는 제1,제2집결홈(104a,104b)이 형성되어 있으며, 상기 제1,제2집결홈(104a,104b)의 외면에 복수개의 돌기(103')가 돌출 형성되어 있는 내부관(100);과
중공형상으로 상기 내부관(100) 외면에 밀착결합되고, 외주면 양끝 부분에 상기 내부관(100)의 제1,제2집결홈(104a,104b)과 연통되는 관통공(201)이 형성되어 있는 외부관(200);
으로 구성되는 것을 특징으로 하는 이중관형 열교환파이프.A flow path hole 101 through which a gas or liquid refrigerant passes is formed in a hollow shape, and an annular spiral groove 102 spaced apart at regular intervals along a longitudinal direction is formed on an outer surface thereof, and the spiral groove 102 is formed. Accordingly, a plurality of protrusions 103 are formed to protrude, and first and second collecting grooves 104a and 104b are formed at both ends of the spiral groove 102 to collect gas or liquid refrigerant. , An inner tube 100 having a plurality of protrusions 103 ′ protruding from the outer surfaces of the second collecting grooves 104a and 104b; and
The through-hole 201 is formed in a hollow shape in close contact with the outer surface of the inner tube 100, and communicates with the first and second collecting grooves 104a and 104b of the inner tube 100 at both ends of the outer circumferential surface thereof. An outer tube 200;
Double tube heat exchange pipe, characterized in that consisting of. 제 1항에 있어서,
상기 외부관(200)의 관통공(201) 직경이 상기 내부관(100)의 제1,제2집결홈(104a,104b) 폭보다 작게 형성되어 있는 것을 특징으로 하는 이중관형 열교환파이프.The method of claim 1,
Double tube heat exchange pipe, characterized in that the through-hole 201 of the outer tube 200 is smaller than the width of the first and second collecting grooves (104a, 104b) of the inner tube (100). 삭제delete 제 1항에 있어서,
상기 내부관(100)은 알루미늄, 구리 또는 구리합금중 어느 하나의 재질로 형성된 것을 특징으로 하는 이중관형 열교환파이프.The method of claim 1,
The inner tube 100 is a double-tube heat exchange pipe, characterized in that formed of any one material of aluminum, copper or copper alloy. 제 1항에 있어서,
상기 제1,제2집결홈(104a,104b)은 반구형, 타원형 또는 다각형상중 어느 하나로 형성되어 있는 것을 특징으로 하는 이중관형 열교환파이프.The method of claim 1,
The first and second collecting grooves (104a, 104b) is a double tube heat exchange pipe, characterized in that formed in any one of hemispherical, oval or polygonal shape. 제 1항에 있어서,
상기 돌기(103,103')는 원형, 반구형, 타원형 또는 다각형상중 어느 하나로 형성되어 있는 것을 특징으로 하는 이중관형 열교환파이프.The method of claim 1,
The projection (103, 103 ') is a double tube heat exchange pipe, characterized in that formed in any one of a circular, hemispherical, oval or polygonal phase.
KR2020110006795U 2011-07-26 2011-07-26 Double tube type heat exchange pipe KR200459178Y1 (en)

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RU2012129344/06A RU2012129344A (en) 2011-07-26 2012-07-11 TWO-TUBED HEAT EXCHANGER
US13/547,442 US20130025834A1 (en) 2011-07-26 2012-07-12 Double tube type heat exchange pipe
JP2012160258A JP2013029303A (en) 2011-07-26 2012-07-19 Double pipe-type heat exchanging pipe
CN2012102527941A CN102901382A (en) 2011-07-26 2012-07-20 Double tube type heat exchange pipe
EP12177930.0A EP2551622A3 (en) 2011-07-26 2012-07-26 Double tube type heat exchange pipe

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