KR20160053058A - Plate type heat exchanger - Google Patents

Plate type heat exchanger Download PDF

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Publication number
KR20160053058A
KR20160053058A KR1020140149363A KR20140149363A KR20160053058A KR 20160053058 A KR20160053058 A KR 20160053058A KR 1020140149363 A KR1020140149363 A KR 1020140149363A KR 20140149363 A KR20140149363 A KR 20140149363A KR 20160053058 A KR20160053058 A KR 20160053058A
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KR
South Korea
Prior art keywords
plate
wing portion
heat exchanger
upper plate
lower plate
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KR1020140149363A
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Korean (ko)
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KR101813048B1 (en
Inventor
이현철
이헌재
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린나이코리아 주식회사
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Priority to KR1020140149363A priority Critical patent/KR101813048B1/en
Priority to JP2015211757A priority patent/JP6625399B2/en
Priority to US14/925,518 priority patent/US20160123676A1/en
Priority to CN201510725487.4A priority patent/CN105180691A/en
Priority to ITUB2015A005105A priority patent/ITUB20155105A1/en
Publication of KR20160053058A publication Critical patent/KR20160053058A/en
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Publication of KR101813048B1 publication Critical patent/KR101813048B1/en

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    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both 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
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • 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
    • F28F2275/00—Fastening; Joining
    • F28F2275/12—Fastening; Joining by methods involving deformation of the elements

Abstract

The present invention relates to a plate attached heat exchanger. The plate attached heat exchanger reduces manufacturing time and the number of manufacturing processes to improve productivity and a quality of a product. According to the present invention, a plate (50) having an upper plate (60) and a lower plate (70) is stacked in the heat exchanger, and a flow passage is formed inside the heat exchanger by brazing bonding blade units (61, 71) of the upper plate (60) and the lower plate (70). The wing unit (61) of the upper plate (60) is bent downward, and a material application space (H) is formed between a support surface (73) and the upper wing unit (61) in order to form the heat exchanger.

Description

플레이트 접합형 열교환기 {PLATE TYPE HEAT EXCHANGER}PLATE TYPE HEAT EXCHANGER < RTI ID = 0.0 >

본 발명은 플레이트 접합형 열교환기에 관한 것으로, 더욱 상세하게는 열교환기에 사용되는 플레이트의 조립과 접합을 간편하게 하여 제조시간 및 제조공수를 절약하여 생산성 향상 및 제품 품질을 향상시킬 수 있도록 발명한 것이다.
The present invention relates to a plate joint type heat exchanger, and more particularly, to a plate joint type heat exchanger which simplifies assembly and joining of a plate used in a heat exchanger, thereby reducing manufacturing time and manufacturing costs, thereby improving productivity and improving product quality.

일반적으로, 보일러에 사용되는 플레이트형 열교환기는 버너부에서 발생된 연소열과 열교환 효율의 향상을 위해 플레이트 챔버를 적층해 사용하고 있었다.Generally, a plate type heat exchanger used in a boiler is used by stacking plate chambers in order to improve combustion heat and heat exchange efficiency generated in the burner portion.

플레이트형 열교환기(1)의 실시 예로 대한민국 실용신안 등록번호 제0275401호에서 도 1 및 도 2에서 도시된 것과 같이 상측에는 직수 및 난방수의 배출구와 투입구가 구비된 상판(10)이 위치되고, 이 상판 하측에 제1,2유로판(20)(30)이 상호 엇갈리는 형태로 다수개 적층되어 구비되는데, 상기 직수 및 난방수의 배출구와 투입구를 따라 흐르는 유체가 상호 혼합되지 않도록 관로가 형성되게 적층한다.In the embodiment of the plate-type heat exchanger 1, as shown in FIG. 1 and FIG. 2, a top plate 10 having a discharge port and a discharge port for direct water and heating water is disposed on the upper side of the Korean Utility Model Registration No. 0275401, And a plurality of first and second flow path plates 20 and 30 are stacked on the lower side of the upper plate so as to prevent the fluid flowing along the discharge port of the direct and heated water from being mixed with each other. Laminated.

다시 말해서, 상기 유체가 흐르는 관로의 위치가 상,하로 엇갈려 상기 관로를 통과하는 유체가 유로를 따라 흐르면서 혼합되지 않고 상호 열교환작용을 일으키는 것으로, 상기 유로의 상호 엇갈리며 교차하는 면접부위는 브레이징(Brazing)용접으로 장착한다.In other words, the position of the channel through which the fluid flows is staggered up and down, so that the fluid passing through the channel flows without being mixed with flowing along the channel, and mutual heat exchanging action occurs. The interchanging cross- ).

그러나, 상기 제1,2유로판(20)(30)의 장착과정에서 중앙부에 비해 모서리부가 상대적으로 취약하게 블레이징 용접되어, 수격현상(Water Hammering)에 따른 과수압에 의해 국부적으로 압력이 발생하면서 주변의 용접부에 균열이 발생되는 문제점이 있었다.However, in the process of mounting the first and second flow path plates 20 and 30, the corner portion is relatively weakly blazed in comparison with the center portion, and a local pressure is generated due to the water pressure due to water hamming There is a problem that cracks are generated in the peripheral welds.

즉, 상기와 같이 종래 열교환기용 플레이트 챔버는 제1유로판(20)과 제2유로판(30)이 각각 동일한 방향으로 날개구조를 갖고 있어, 상기 유로판의 날개면과 날개면이 겹쳐져 접합하는 방식으로 사용환경에 따라 동판을 사용하거나 별도의 용재를 도포한 후 브레이징 용접하는 구성이다.That is, as described above, the plate chamber for the conventional heat exchanger has the first flow path plate 20 and the second flow path plate 30 each having a wing structure in the same direction, and the wing surface of the flow path plate overlaps the wing surface Depending on the use environment, copper plate is used or brazing welding is applied after separate welding material is applied.

하지만, 상기의 플레이트 챔버 구성은 도 3에서와 같이 제1유로판(20)과 제2유로판(30)의 날개면과 날개면이 겹쳐진 상태이거나, 제2유로판의 날개면 상부에 용재(2)를 도포한 상태에서 브레이징 작업에 투입되는 경우 용재(2)의 도포면이 적거나 날개면 사이에서 용재(2)가 모재의 열변형으로 인한 부피 팽창 및 용융온도 이상점에서 기포가 발생되면서, 상기 기포발생으로 인해 기밀이 불량하거나, 상기 기포부분의 침식으로 누수 및 크랙이 발생되어 불량률이 증가되는 문제점이 있었다.3, the wing surfaces of the first flow path plate 20 and the second flow path plate 30 are overlapped with each other, or the blade surfaces of the first flow path plate 20 and the second flow path plate 30 are overlapped with each other, 2) is applied to the brazing operation, bubbles are generated at a point where the coating surface of the molten metal 2 is small or the volume of the molten metal 2 between the wing surfaces is higher than the volume expansion due to thermal deformation of the base metal and the melting temperature, There is a problem that the airtightness is poor due to the generation of the bubbles, or leakage and cracks are generated by the erosion of the bubbles, thereby increasing the defective rate.

대한민국 등록실용신안공보 20-0275401호-판형열교환기의 내압구조(등록일자 2002년 04월 30일).Pressure - Resisting Structure of Plate Heat Exchanger (Registered on April 30, 2002).

본 발명은 이러한 종래의 문제점을 감안하여 안출한 것이며, 그 목적은 열교환기의 플레이트 챔버를 구성하는 상판과 하판의 테두리 날개를 서로 다른 각도를 갖게하여, 상기 상판과 하판의 적층 조립이 용이하면서 용접 작업의 불량을 개선할 수 있도록 한 플레이트 접합형 열교환기를 제공하는데 있다.SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and it is an object of the present invention to provide a heat exchanger in which plate blades of the upper plate and the lower plate constituting the plate chamber of the heat exchanger are provided at different angles, And to provide a plate joint heat exchanger capable of improving defective operation.

본 발명의 다른 목적은, 하판의 날개면에 상판의 날개면이 탄성을 갖고 끼워져 조립되게 하면서 용재의 도포를 쉽게 하고, 브레이징 용접의 편의성을 향상시킬 수 있도록 한 플레이트 접합형 열교환기를 제공하는데 있다.
It is another object of the present invention to provide a plate joint heat exchanger in which the wing surface of the upper plate is elastically fitted and assembled to the wing surface of the lower plate, the application of the welding material is facilitated, and the convenience of brazing welding is improved.

본 발명은 상기의 목적을 달성하기 위하여,In order to achieve the above object,

상판(60)과 하판(70)의 구조를 가진 플레이트(50)를 적층하며, 상기 상판(60)과 하판(70)의 날개부(61)(71)를 브레이징 접합하여 내부에 유로가 형성되게 구성한 열교환기에 있어서; A plate 50 having a structure of an upper plate 60 and a lower plate 70 is stacked and the upper plate 60 and the lower plate 70 are brazed to the wings 61 and 71 to form a channel therein In the heat exchanger thus constructed,

상기 상판(60)의 날개부(61)는 둔각을 갖고 하향 절곡되고, 상기 하판(70)의 날개부(71)는, 예각을 갖고 안쪽방향으로 상향 절곡된 끼움면(72)과, 이 끼움면(72)에서 바깥방향으로 절곡된 받침면(73)으로 성형되어, 상판(60)의 날개부(61)가 끼움면(72)에 끼워지고, 받침면(73)과 상판 날개부(61) 사이에 용재도포공간(H)이 형성되어 달성한다.The wing portion 61 of the upper plate 60 is bent downward at an obtuse angle and the wing portion 71 of the lower plate 70 has a fitting surface 72 having an acute angle and bent upward inwardly, The wing portion 61 of the upper plate 60 is fitted to the fitting surface 72 and the supporting surface 73 and the upper plate wing portion 61 (See FIG. 2).

또, 상기 하판 날개부(71)의 끼움면(72)에는, 안쪽으로 돌출된 엠보돌기(72a)가 일정 간격을 두고 형성하고, 상판 날개부(61)의 선단은 상기 엠보돌기(72a)에 걸려 끼워지는 밴딩돌기(61a)가 구비된다.Embossing protrusions 72a protruding inward are formed at predetermined intervals on the fitting face 72 of the lower plate wing portion 71 and the top end of the upper plate wing portion 61 is engaged with the embossing projection 72a And a banding protrusion 61a to be hooked thereon.

또한, 상판(60)의 날개부(61)는 둔각을 갖고 하향 절곡되고, 하판(70)의 날개부(71)는 직각방향으로 상향 절곡된 끼움면(72)과, 이 끼움면(72)에서 바깥방향으로 절곡된 받침면(73)으로 성형되어, 상판(60)의 날개부(61)가 끼움면(72) 내측에 끼워지게 형성되거나, 상판(60)의 날개부(61)는 둔각을 갖고 하향 절곡되고, 하판(70)의 날개부(71)는 직각에서 둔각을 이루는 방향으로 상향 절곡한 끼움면(72)이 성형되어, 상판(60)의 날개부(61)가 끼움면(72) 내측에 끼워지게 형성하여 달성된다.The wing portion 61 of the upper plate 60 is bent downward at an obtuse angle and the wing portion 71 of the lower plate 70 has a fitting surface 72 which is bent upward in a direction perpendicular to the fitting surface 72, The wing portion 61 of the upper plate 60 is formed to be fitted inside the fitting surface 72 or the wing portion 61 of the upper plate 60 is formed to have an obtuse angle And the wing portion 71 of the lower plate 70 is formed with an upwardly bent fitting face 72 in a direction perpendicular to the obtuse angle so that the wing portion 61 of the upper plate 60 is fitted 72, respectively.

이러한 구조로 이루어진 본 발명에 의하면, 열교환기에 사용되는 플레이트의 상판과 하판의 조립이 간편하면서 쉽게 이루어져 생산성을 향상시킬 수 있다.According to the present invention having such a structure, the upper plate and the lower plate of the plate used in the heat exchanger can be assembled easily and easily, and productivity can be improved.

또, 상판과 하판의 날개부에 도포되는 용재의 면적과 체적을 균일하게 하여 브레이징 용접의 제조 불량을 방지하고, 불량이 발생될 경우 2차 도포가 용이해 다시 브레이징 용접이 가능하다.In addition, it is possible to prevent the manufacturing defect of brazing welding by making uniform the area and volume of the welding material applied to the wing portions of the upper plate and the lower plate, and in case of failure, the second welding is easy and brazing welding is possible again.

그러므로, 상판과 하판의 조립이 간편하면서 조립 후에 외부에서 용재를 도포할 수 있어 플레이트의 자동화가 가능해 생산성을 크게 향상시킬 수 있는 매우 유용한 발명인 것이다.Therefore, the upper and lower plates can be assembled easily, so that the plate can be applied from the outside after assembly, which is a very useful invention that can automate the plate and greatly improve the productivity.

도 1은 종래 판형 열교환기의 외형을 도시한 사시도.
도 2는 종래 판형 열교환기의 단면도.
도 3은 종래 판형 열교환기의 단면 확대도.
도 4a 내지 도 4c는 본 발명이 적용된 플레이트의 결합과정을 도시한 단면 확대도.
도 5a는 본 발명의 실시예를 도시한 부분 확대 사시도.
도 5b는 본 발명의 실시예를 도시한 확대 단면도.
도 6a 및 도 6b는 본 발명의 다른 실시 예를 도시한 확대 단면도.1 is a perspective view showing an outline of a conventional plate heat exchanger.
2 is a sectional view of a conventional plate heat exchanger.
3 is a cross-sectional enlarged view of a conventional plate heat exchanger.
4A to 4C are enlarged cross-sectional views illustrating a process of assembling a plate to which the present invention is applied.
5A is a partially enlarged perspective view showing an embodiment of the present invention.
5B is an enlarged cross-sectional view showing an embodiment of the present invention.
6A and 6B are enlarged cross-sectional views showing another embodiment of the present invention.

이하, 첨부된 도면과 관련하여 상기 목적을 달성하기 위한 본 발명의 구성과 작동 예를 살펴보면 다음과 같다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 발명인 플레이트 접합형 열교환기는, 열교환기에 사용되는 플레이트의 조립과 접합을 간편하게 하여 제조시간 및 제조공수를 절약하여 생산성 향상 및 제품 품질을 향상시킬 수 있도록 발명한 것이다.The plate joint type heat exchanger of the present invention simplifies the assembling and joining of plates used in a heat exchanger, thereby saving manufacturing time and manufacturing costs, thereby improving productivity and improving product quality.

우선, 본 명세서 상에서 첨부된 도면을 참조하여 설명하면, 본 발명인 열교환기는 상판(60)과 하판(70)의 구조를 가진 플레이트(50)를 적층하며, 상기 상판(60)과 하판(70)의 날개부(61)(71)를 브레이징 접합하여 플레이트(50) 내부에 유로가 형성되게 구성한다.The heat exchanger of the present invention stacks the plate 50 having the structure of the upper plate 60 and the lower plate 70 and the upper plate 60 and the lower plate 70 The wings 61 and 71 are brazed to form a flow path inside the plate 50. [

여기에서, 본 발명은 상기 플레이트(50)를 구성하는 상판(60)과 하판(70)을 보다 간편하면서도 용이하게 결합할 수 있도록 날개부(61)(71)의 형상을 변형하면서, 상기 날개부(61)(71)를 브레이징 용접하여 불량을 방지할 수 있도록 한 것이다.The present invention is characterized in that the shape of the wing portions 61 and 71 is modified so that the upper plate 60 and the lower plate 70 constituting the plate 50 can be easily and easily combined, (61) and (71) are brazed to prevent defects.

이를 위해, 본 발명은 도 4a에서와 같이, 상기 상판(60)의 날개부(61)는 둔각을 갖고 하향 절곡되고, 상기 하판(70)의 날개부(71)는, 예각을 갖고 안쪽방향으로 상향 절곡된 끼움면(72)과, 이 끼움면(72)에서 바깥방향으로 절곡된 받침면(73)으로 성형한다.4A, the wing portion 61 of the upper plate 60 is bent downward at an obtuse angle, and the wing portion 71 of the lower plate 70 has an acute angle and is bent inward The upwardly bent fitting surface 72 and the receiving surface 73 bent outwardly from the fitting surface 72 are formed.

그리고, 도 4b에서와 같이 상기 상판(60)의 날개부(61)는 하향 이동되면서, 하판 날개부(71)의 받침면(73)에 걸려지면서 안쪽으로 탄력지게 이동된 상태에서, 상판(60)을 더 하향 이동시키면 받침면(73)을 넘어간 상판 날개부(61)가 복원되면서 예각을 갖고 성형된 끼움면(72)과 둔각진 상판 날개부(61)가 면접촉되면서 결합된다.4B, the wing portion 61 of the upper plate 60 is moved downward while being restrained by the receiving surface 73 of the lower plate wing portion 71 so as to be elastically moved inward, and the upper plate 60 The top plate wing portion 61 passing over the supporting surface 73 is restored and the fitting surface 72 having an acute angle and the sloping top plate wing portion 61 are in surface contact and are engaged.

또, 상기 상판 날개부(61)와 하판 날개부(71)의 받침면(73) 사이에는 용재도포공간(H)이 형성되어 작업자가 손쉽게 용재(2)를 도포할 수 있게 된다.In addition, a space (H) for spraying the wood material is formed between the upper plate wing portion (61) and the lower plate wing portion (71), so that the operator can easily apply the wood material (2).

즉, 상기 상판(60)의 날개부(61)를 하판(70)의 날개부(71)에 결합해 일체 구성된 플레이트(50)는, 그 결합된 테두리를 따라 용재도포공간(H)이 형성되어 외부에서 용재(2)를 쉽게 도포할 수 있어 자동화도 가능하다.That is, the plate 50 integrally formed by coupling the wing portions 61 of the upper plate 60 to the wing portions 71 of the lower plate 70 is formed with the wood material applying space H along the rim The molten metal 2 can be easily applied from the outside, and automation is possible.

그리고, 도 4c에서와 같이 플레이트(50)의 용재도포공간(H)에 용재(2)가 도포된 상태에서, 브레이징 용접을 수행하여 상기 용재(2)가 접착면의 산화를 방지하면서 접합이 완전하게 이루어지도록 한다.4 (c), brazing welding is performed in a state in which the welding material 2 is applied to the coating material application space H of the plate 50 so that the welding material 2 is prevented from being oxidized .

또한, 본 발명은 상기 브레이징 용접 후에 플레이트(50)의 누설 검사에서 불량이 발생되는 경우에는 상기 용재도포공간(H)에 다시 용재(2)를 도포한 후 브레이징 용접하여 제조 불량 발생을 방지할 수 있는 것도 가능하다.In addition, when defects are detected in the leakage inspection of the plate (50) after the brazing, the welding material (2) is applied to the space (H) It is possible that there is.

그리고, 본 발명의 실시 예로서, 도 5a에서와 같이 하판 날개부(71)의 끼움면(72)에 안쪽으로 돌출된 엠보돌기(72a)가 테두리를 따라 일정간격을 두고 형성하고, 상판 날개부(61)의 선단은 상기 엠보돌기(72a)에 걸려 끼워지는 밴딩돌기(61a)를 구비한다.5A, the embossing protrusions 72a projecting inward from the fitting surface 72 of the lower plate wing portion 71 are formed at regular intervals along the rims, The tip end of the embossing protrusion 61 is provided with a bending protrusion 61a which is engaged with the embossing protrusion 72a.

따라서, 도 5b에서와 같이 상판(60)의 날개부(61)를 하판 날개부(71)의 끼움면(72)으로 결합하면, 선단의 밴딩돌기(61a)가 엠보돌기(72a)에 걸려져 상판 날개부(61)가 고정되는 구성이다.5B, when the wing portion 61 of the upper plate 60 is coupled to the fitting surface 72 of the lower plate wing portion 71, the banding protrusion 61a at the tip end is caught by the embossing protrusion 72a And the upper plate wing portion 61 is fixed.

이때, 상기 하판 날개부(71)의 끼움면(72)은 엠보돌기(72a)에 의해 상판 날개부(61)와 간격을 두게 되어, 용재도포공간(H)에 도포되는 용재(2)가 상기 간격 사이로 유입되어 브레이징 용접을 수행해 접합하게 한다.At this time, the fitting surface 72 of the lower plate wing portion 71 is spaced apart from the upper plate wing portion 61 by the embossing protrusion 72a, so that the wood material 2 applied to the wood material applying space H So that brazing welding is performed to join them.

그리고, 본 발명의 다른 실시 예로, 도 6a와 같이 상판(60)의 날개부(61)는 둔각을 갖고 하향 절곡되고, 하판(70)의 날개부(71)는 직각방향으로 상향 절곡된 끼움면(72)과, 이 끼움면(72)에서 바깥방향으로 절곡된 받침면(73)으로 성형되어, 상판(60)의 날개부(61)가 끼움면(72) 내측에 끼워지게 형성한 플레이트(50)도 가능하다.6A, the wing portion 61 of the upper plate 60 is bent downward at an obtuse angle, and the wing portion 71 of the lower plate 70 is bent in a direction perpendicular to the insertion face (72) and a plate (73) formed outwardly bent from the fitting surface (72) and formed so that the wing portion (61) of the upper plate (60) is fitted inside the fitting surface (72) 50) is also possible.

따라서, 상기 플레이트(50)는 상판 날개부(61)와 하판 날개부(71)의 끼움면(72)에 일정 틈새가 형성되는데, 용재도포공간(H)에 용재(2)를 도포하면 상기 간격 사이로 용재(2)가 유입되어 브레이징 용접을 수행해 접합하게 한다.Therefore, the plate 50 has a certain gap formed in the fitting surface 72 of the upper plate wing portion 61 and the lower plate wing portion 71. When the welding material 2 is applied to the space for applying the wood material H, So that the brazing material 2 is introduced and brazed.

또한, 도 6b에서와 같이 플레이트(50)의 상판 날개부(61)는 둔각을 갖고 하향 절곡되고, 하판 날개부(71)는 직각에서 둔각을 이루는 방향으로 상향 절곡한 끼움면(72)을 갖도록 성형하는 것도 가능하다.6B, the upper plate wing portion 61 of the plate 50 is bent downward at an obtuse angle so that the lower plate wing portion 71 has an upwardly bent fitting surface 72 in a direction perpendicular to the obtuse angle. It is also possible to form.

따라서, 상기 상판 날개부(61)가 하판 날개부(71)의 끼움면(72) 내측에 걸려져 끼워지는 구성을 갖게 하고, 상판 날개부(61)와 하판 날개부(71)의 끼움면(72) 사이의 용재도포공간(H)에 용재(2)를 도포하고 브레이징 용접을 수행해 접합한다.The upper plate wing portion 61 and the lower plate wing portion 71 have a configuration in which the upper plate wing portion 61 is engaged with the inside of the fitting surface 72 of the lower plate wing portion 71, 72 by applying the welding material 2 to the coating material application space H and brazing and welding.

상기 실시 예는 상판(60)의 날개부(61)가 하판(70)의 날개부(71)에 간편하게 조립되면서 용재(2)의 도포가 용이하여 브레이징 용접으로 상판(60)과 하판(70)을 간편하게 접합하도록 구성된 것이다.The blade member 61 of the upper plate 60 is easily assembled to the wing portion 71 of the lower plate 70 so that the welding member 2 can be easily applied to the upper plate 60 and the lower plate 70 by brazing, As shown in Fig.

이상에서 설명한 본 발명은 전술한 실시 예 및 도면에 의해 한정되는 것은 아니며, 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 여러 가지 치환, 변형 및 변경이 가능함은 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자에게 있어 명백할 것이다.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. It will be clear to those who have.

2 - 용재 50 - 플레이트
60 - 상판 61 - 날개부
61a - 밴딩돌기 70 - 하판
71 - 날개부 72 - 끼움면
72a - 엠보돌기 73 - 받침면
H - 용재도포공간2 - Lumber 50 - Plate
60 - upper plate 61 - wing portion
61a - Bending projections 70 - Lower plate
71 - wing portion 72 -
72a - Embossed surface 73 - Support surface
H - Lumber application space

Claims (4)

상판(60)과 하판(70)의 구조를 가진 플레이트(50)를 적층하며, 상기 상판(60)과 하판(70)의 날개부(61)(71)를 브레이징 접합하여 내부에 유로가 형성되게 구성한 열교환기에 있어서;
상기 상판(60)의 날개부(61)는 둔각을 갖고 하향 절곡되고, 상기 하판(70)의 날개부(71)는, 예각을 갖고 안쪽방향으로 상향 절곡된 끼움면(72)과, 이 끼움면(72)에서 바깥방향으로 절곡된 받침면(73)으로 성형되어, 상판(60)의 날개부(61)가 끼움면(72)에 끼워지고, 받침면(73)과 상판 날개부(61) 사이에 용재도포공간(H)이 형성한 것을 특징으로 한 플레이트 접합형 열교환기.
A plate 50 having a structure of an upper plate 60 and a lower plate 70 is stacked and the upper plate 60 and the lower plate 70 are brazed to the wing portions 61 and 71 to form a channel therein In the heat exchanger thus constructed,
The wing portion 61 of the upper plate 60 is bent downward at an obtuse angle and the wing portion 71 of the lower plate 70 has a fitting surface 72 having an acute angle and bent upward inwardly, The wing portion 61 of the upper plate 60 is fitted to the fitting surface 72 and the supporting surface 73 and the upper plate wing portion 61 And a space (H) for applying a solvent is formed between the heat exchanger and the heat exchanger.
청구항 1에 있어서, 상기 하판 날개부(71)의 끼움면(72)에는, 안쪽으로 돌출된 엠보돌기(72a)가 일정 간격을 두고 형성하고, 상판 날개부(61)의 선단은 상기 엠보돌기(72a)에 걸려 끼워지는 밴딩돌기(61a)가 구비됨을 특징으로 한 플레이트 접합형 열교환기.An embossing protrusion (72a) protruding inward is formed at a predetermined interval on a fitting surface (72) of the lower plate wing portion (71), and the tip of the upper plate wing portion (61) And a bending protrusion (61a) fitted to the plate-like heat exchanger (72a). 청구항 1에 있어서, 상판(60)의 날개부(61)는 둔각을 갖고 하향 절곡되고, 하판(70)의 날개부(71)는 직각방향으로 상향 절곡된 끼움면(72)과, 이 끼움면(72)에서 바깥방향으로 절곡된 받침면(73)으로 성형되어, 상판(60)의 날개부(61)가 끼움면(72) 내측에 끼워지게 형성된 것을 특징으로 한 플레이트 접합형 열교환기.
The wing portion (71) of the lower plate (70) has a fitting surface (72) bent upward in a direction perpendicular to the fitting surface (72) Is formed into a bearing surface (73) curved outwardly from the bearing surface (72) so that the wing portion (61) of the upper plate (60) is fitted inside the fitting surface (72).
청구항 1에 있어서, 상판(60)의 날개부(61)는 둔각을 갖고 하향 절곡되고, 하판(70)의 날개부(71)는 직각에서 둔각을 이루는 방향으로 상향 절곡한 끼움면(72)이 성형되어, 상판(60)의 날개부(61)가 끼움면(72) 내측에 끼워지게 형성된 것을 특징으로 한 플레이트 접합형 열교환기.The wing portion 61 of the upper plate 60 is bent downward at an obtuse angle and the wing portion 71 of the lower plate 70 has a fitting face 72 which is bent upward in a direction perpendicular to the obtuse angle And the wing portion (61) of the upper plate (60) is formed to be fitted inside the fitting surface (72).
KR1020140149363A 2014-10-30 2014-10-30 Plate type heat exchanger KR101813048B1 (en)

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