JP2002130980A - Plate-fin type heat exchanger - Google Patents
Plate-fin type heat exchangerInfo
- Publication number
- JP2002130980A JP2002130980A JP2000332219A JP2000332219A JP2002130980A JP 2002130980 A JP2002130980 A JP 2002130980A JP 2000332219 A JP2000332219 A JP 2000332219A JP 2000332219 A JP2000332219 A JP 2000332219A JP 2002130980 A JP2002130980 A JP 2002130980A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- heat exchanger
- heat medium
- fin type
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Fluid Heaters (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、温水等の熱媒体
を循環させて室内を暖房する暖房用放熱器等に使用され
るプレートフィン型熱交換器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate-fin heat exchanger used for a radiator for heating a room by circulating a heat medium such as hot water.
【０００２】[0002]
【従来の技術】従来のこの種のプレートフィン型熱交換
器（以下熱交換器という）について、図７及び図８に基
づいて説明する。従来の熱交換器Ａは、図７に示すよう
に、温水等の熱媒体を流す蛇行状の熱媒体パイプ１、１
と、この熱媒体パイプ１を貫通させた状態で熱媒体パイ
プ１に装着された多数のアルミニウム薄板製のプレート
フィン２、２と、これらプレートフィン２群の長手方向
の中間位置に互いに所定間隔を存して配置された複数の
鋼板製の中間補強板３、３と、前記プレートフィン２群
の長手方向の左右両端部に配置された２枚の鋼板製の管
板４、４とから構成されている。2. Description of the Related Art A conventional plate-fin type heat exchanger of this type (hereinafter referred to as a heat exchanger) will be described with reference to FIGS. As shown in FIG. 7, a conventional heat exchanger A includes meandering heat medium pipes 1, 1 through which a heat medium such as hot water flows.
And a number of aluminum thin plate fins 2, 2 mounted on the heat medium pipe 1 in a state where the heat medium pipe 1 is penetrated, and a predetermined distance from each other at intermediate positions in the longitudinal direction of the group of plate fins 2. A plurality of intermediate reinforcing plates 3 and 3 made of steel plates and two tube plates 4 and 4 made of steel plates disposed at both left and right ends in the longitudinal direction of the group of plate fins 2. ing.
【０００３】前記複数の中間補強板３は、例えば、熱交
換器Ａの長手方向の幅寸法Ｗが約３〜５ｍの長尺タイプ
では、例えば３〜６枚使用して、この熱交換器Ａが自重
や輸送時等の衝撃で撓まないようにしている。For example, in the case of a long type in which the width W in the longitudinal direction of the heat exchanger A is about 3 to 5 m, for example, three to six intermediate reinforcing plates 3 are used. However, it does not bend due to its own weight or impact during transportation.
【０００４】[0004]
【発明が解決しようとする課題】ところで、上記した従
来構成の熱交換器Ａでは、図９に示すように、管板３や
中間補強板４に設けられたパイプ保持孔３Ａ、４Ａの径
と熱媒体パイプ１の外径との差が１ｍｍ未満と小さく、
また、管板４や中間補強板３が、それらの強度を確保す
るために厚板の鋼板で作られているのに対し、熱媒体パ
イプ１が鋼板よりも熱膨張率が高く、かつ、熱伝導性に
優れた銅パイプにて作られており、しかも、この熱媒体
パイプ１内には、約８０℃の熱媒体が循環供給される関
係上、高温の熱媒体の循環供給が開始される暖房運転開
始時や、高温の熱媒体の循環供給が停止時される暖房運
転停止時等に、前記管板４並びに中間補強板３と熱媒体
パイプ１との接触部分（パイプ貫通部分）で「こすれ
音」が発生したり、管板４や中間補強板３に「キシミ
音」が発生する等の異常音の発生が問題となっていた。By the way, in the heat exchanger A of the above-mentioned conventional construction, as shown in FIG. 9, the diameter of the pipe holding holes 3A, 4A provided in the tube sheet 3 and the intermediate reinforcing plate 4 is different. The difference from the outer diameter of the heat medium pipe 1 is as small as less than 1 mm,
Further, while the tube sheet 4 and the intermediate reinforcing plate 3 are made of a thick steel plate in order to secure their strength, the heat medium pipe 1 has a higher coefficient of thermal expansion than the steel plate and has a higher thermal expansion coefficient. The heat medium pipe 1 is made of a copper pipe having excellent conductivity, and the heat medium at a temperature of about 80 ° C. is circulated and supplied into the heat medium pipe 1 so that the circulating supply of a high-temperature heat medium is started. When the heating operation is started, or when the heating operation is stopped when the circulating supply of the high-temperature heat medium is stopped, the contact portion (pipe penetrating portion) between the tube sheet 4 and the intermediate reinforcing plate 3 and the heat medium pipe 1 is used. There has been a problem that abnormal noise such as generation of "rubbing noise" and generation of "kissimple noise" on the tube sheet 4 and the intermediate reinforcing plate 3 has been a problem.
【０００５】特に、中間補強板３を３〜６枚と数多く使
用する長尺タイプのもの程、前記した異常音の発生が顕
著であった。[0005] In particular, the above-mentioned abnormal noise is more remarkable in a long type in which three to six intermediate reinforcing plates 3 are used.
【０００６】本発明は、上述の実情に鑑みてなされたも
のであり、管板と熱媒体パイプとの熱膨張差を起因とす
る異常音の発生を防止し得るプレートフィン型熱交換器
を提供できるようにすることを目的としている。The present invention has been made in view of the above circumstances, and provides a plate fin type heat exchanger capable of preventing occurrence of abnormal noise caused by a difference in thermal expansion between a tube sheet and a heat medium pipe. The purpose is to be able to.
【０００７】[0007]
【課題を解決するための手段】前記課題を解決するため
に、請求項１に記載の発明では、温水等の熱媒体を流す
熱伝導性の熱媒体パイプと、この熱媒体パイプに熱伝導
関係に装着された多数のプレートフィンと、これらプレ
ートフィンに並設され、前記熱媒体パイプを挿通して保
持するパイプ保持孔を設けた複数の管板とにより構成さ
れたプレートフィン型熱交換器において、前記管板のパ
イプ保持孔周縁には、筒状のカラー部が設けられ、か
つ、このカラー部の先端部はラッパ状に拡開されている
ことを特徴とする。According to the first aspect of the present invention, there is provided a heat conductive pipe through which a heat medium such as hot water flows, and a heat conductive pipe connected to the heat medium pipe. A plate fin type heat exchanger constituted by a large number of plate fins mounted on a plate fin and a plurality of tube sheets provided in parallel with the plate fins and provided with a pipe holding hole for inserting and holding the heat medium pipe. A tubular collar portion is provided on the periphery of the pipe holding hole of the tube sheet, and the front end portion of the collar portion is expanded in a trumpet shape.
【０００８】請求項２に記載の発明では、請求項１に記
載のプレートフィン型熱交換器において、前記ラッパ状
の拡開部の広がり角度θを約６０度以上に設定したこと
を特徴とする。According to a second aspect of the present invention, in the plate fin type heat exchanger according to the first aspect, the spread angle θ of the trumpet-shaped expanding portion is set to be about 60 degrees or more. .
【０００９】請求項３に記載の発明では、請求項１に記
載のプレートフィン型熱交換器において、前記管板は、
多数のプレートフィン群の両端部並びに中間位置に、互
いに所定間隔を存して配置されていることを特徴とす
る。According to a third aspect of the present invention, in the plate fin type heat exchanger according to the first aspect, the tube sheet comprises:
It is characterized in that the plate fins are arranged at a predetermined interval from each other at both ends and an intermediate position of the group of plate fins.
【００１０】請求項４に記載の発明では、請求項１に記
載のプレートフィン型熱交換器において、前記複数の管
板は、全てが同一形状品であることを特徴とする。According to a fourth aspect of the present invention, in the plate fin type heat exchanger according to the first aspect, all of the plurality of tube sheets have the same shape.
【００１１】請求項５に記載の発明では、請求項１に記
載のプレートフィン型熱交換器において、前記管板のカ
ラー部の内径と前記熱媒体パイプの外径との差を約１ｍ
ｍ以上に設定したことを特徴とする。According to a fifth aspect of the present invention, in the plate fin type heat exchanger according to the first aspect, the difference between the inner diameter of the collar portion of the tube sheet and the outer diameter of the heat medium pipe is about 1 m.
m or more.
【００１２】[0012]
【発明の実施の形態】以下、この発明の一実施形態を図
１乃至図６に基づき説明する。図１はプレートフィン型
熱交換器の全体構造を説明する説明図、図２は管板の側
面図、図３は管板の正面図、図４管板のパイプ保持孔に
熱媒体パイプを挿通した状態を説明する説明図、図５は
管板の要部拡大断面図であり、前記図１乃至図５におい
て、従来例と同一構成要素には同一符号を付して説明す
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is an explanatory view for explaining the overall structure of a plate-fin heat exchanger, FIG. 2 is a side view of a tube sheet, FIG. 3 is a front view of the tube sheet, and FIG. FIG. 5 is an enlarged cross-sectional view of a main part of the tube sheet. In FIGS. 1 to 5, the same components as those of the conventional example are denoted by the same reference numerals.
【００１３】図１中のＡは熱交換器であり、この熱交換
器Ａは、図１に示すように、温水等の熱媒体を流す蛇行
状で熱伝導性に優れた熱媒体パイプ１、１と、この熱媒
体パイプ１を貫通させた状態で熱媒体パイプ１に熱伝導
関係に、且つ、多数積層されて装着されたアルミニウム
薄板製のプレートフィン２、２……と、これら多数のプ
レートフィン２、２……群の長手方向の中間位置に互い
に所定間隔を存して配置された約２〜６枚の鋼板製の中
間管板（管板）５Ａ、５Ａと、前記プレートフィン２群
の長手方向の左右両端部に配置された２枚の鋼板製の端
管板（管板）５Ｂ、５Ｂとから構成されている。A in FIG. 1 is a heat exchanger. As shown in FIG. 1, this heat exchanger A has a meandering heat medium pipe 1 through which a heat medium such as hot water flows, and has excellent heat conductivity. 1, a plurality of aluminum plate fins 2, 2,... Mounted in a heat conductive relationship with the heat medium pipe 1 in a state where the heat medium pipe 1 is penetrated, and mounted in a stacked manner. The intermediate fins (tube sheets) 5A, 5A made of about 2 to 6 steel plates, which are arranged at a predetermined interval from each other at intermediate positions in the longitudinal direction of the fins 2, 2,. And two end tube sheets (tube sheets) 5B, 5B made of steel plates disposed at both left and right ends in the longitudinal direction of the sheet.
【００１４】前記熱媒体パイプ１には、ガス或いは灯油
バーナ（図示せず）等で加熱される熱交換部を備えた熱
源機（図示せず）からの熱媒体（例えば約８０℃の循環
用温水）が循環供給されるものであり、図４に示すよう
に、その外径寸法Ｄ１が約１２ｍｍで、かつ、肉厚が約
１ｍｍの円筒形状の銅パイプにて作られている。The heat medium pipe 1 is provided with a heat medium (for example, at a temperature of about 80 ° C.) from a heat source unit (not shown) having a heat exchange unit heated by a gas or kerosene burner (not shown). Hot water) is circulated and supplied, as shown in FIG. 4, and is made of a cylindrical copper pipe having an outer diameter D1 of about 12 mm and a thickness of about 1 mm.
【００１５】前記各中間管板５Ａ及び各端管板５Ｂは、
全て同一形状品であり、これらは板厚が約０．６〜１．
０ｍｍ（実施形態では約０．８ｍｍ）の鋼板をプレス加
工することにより、横断面形状が略コ字状となるように
形成されている。そして、図２に示すように、前記各中
間管板５Ａ及び各端管板５Ｂの主面６には、前記熱媒体
パイプ１を挿通して保持するための複数（実施形態では
６個）のパイプ保持孔７、７が設けられている。The intermediate tube sheets 5A and the end tube sheets 5B are
All have the same shape, and these have a thickness of about 0.6 to 1.
By pressing a steel plate of 0 mm (approximately 0.8 mm in the embodiment), the cross section is formed to have a substantially U-shape. Then, as shown in FIG. 2, a plurality (six in the embodiment) for inserting and holding the heat medium pipe 1 is inserted into the main surface 6 of each of the intermediate tube plates 5A and the end tube plates 5B. Pipe holding holes 7, 7 are provided.
【００１６】また、前記各中間管板５Ａ及び各端管板５
Ｂの前後両端部に折曲形成された固定片８には、図３に
示すように、取り付け用のネジ（図示せず）を挿通させ
る複数のネジ孔９、９が設けられている。Each of the intermediate tube sheets 5A and the end tube sheets 5A
As shown in FIG. 3, a plurality of screw holes 9, 9 through which mounting screws (not shown) are inserted are provided in the fixing piece 8 bent at both front and rear ends of B.
【００１７】また、前記各パイプ保持孔７の周縁には、
図４に示すように、バーリング加工によって円筒状のカ
ラー部１０が形成され、このカラー部１０の先端部はラ
ッパ状に拡開されている。１０Ａがそのラッパ状に拡開
された拡開部であり、図５に示すように、この拡開部１
０Ａの広がり角度θは、約６０〜１２０度（実施形態で
は約９０度）に設定されている。The periphery of each of the pipe holding holes 7 includes
As shown in FIG. 4, a cylindrical collar portion 10 is formed by burring, and the front end of the collar portion 10 is expanded in a trumpet shape. Reference numeral 10A denotes an expanded portion which is expanded in a trumpet shape, and as shown in FIG.
The spread angle θ of 0A is set to about 60 to 120 degrees (about 90 degrees in the embodiment).
【００１８】また、前記カラー部１０の内径寸法Ｄ２は
１４．２〜１４．５ｍｍ（実施形態では１４．２ｍｍ）
に設定されており、このカラー部１０の内径寸法Ｄ２と
前記熱媒体パイプ１の外径寸法Ｄ１との差が約１ｍｍ以
上（実施形態では１．２ｍｍ）に設定されている。The inner diameter D2 of the collar 10 is 14.2-14.5 mm (14.2 mm in the embodiment).
The difference between the inner diameter D2 of the collar portion 10 and the outer diameter D1 of the heat medium pipe 1 is set to about 1 mm or more (1.2 mm in the embodiment).
【００１９】図６は本発明のプレートフィン型熱交換器
が組み込まれた暖房機の斜視図であり、前述のように構
成した本発明に係る熱交換器Ａは、パネルラジエータと
称される輻射式暖房機Ｂの本体ケーシング１１内に組み
込まれる。FIG. 6 is a perspective view of a heater in which the plate fin type heat exchanger of the present invention is incorporated. The heat exchanger A according to the present invention configured as described above has a radiation called a panel radiator. It is incorporated in the main body casing 11 of the type heater B.
【００２０】前記輻射式暖房機Ｂの本体ケーシング１１
は、被暖房室の室壁の下部面に沿って設置される。そし
て、この輻射式暖房機Ｂには、熱交換器Ａに供給する熱
媒体の流量調節が行えると共に、暖房運転を開始させた
り暖房運転を停止させる操作を行う操作つまみ１２を備
えている。The main body casing 11 of the radiant heater B
Is installed along the lower surface of the room wall of the room to be heated. The radiant heater B is provided with an operation knob 12 for controlling the flow rate of the heat medium supplied to the heat exchanger A, and for starting or stopping the heating operation.
【００２１】前記操作つまみ１２を操作して輻射式暖房
機Ｂの暖房運転を開始させると、屋外等に設置した熱源
機からの熱媒体が熱交換器Ａの熱媒体パイプ１内に循環
供給される。この熱媒体パイプ１内を流れる熱媒体の熱
は、プレートフィン２、２に伝導されて、これらプレー
トフィン２、２の温度を上昇させる。When the heating operation of the radiant heater B is started by operating the operation knob 12, the heat medium from the heat source device installed outdoors or the like is circulated and supplied into the heat medium pipe 1 of the heat exchanger A. You. The heat of the heat medium flowing in the heat medium pipe 1 is transmitted to the plate fins 2 and 2 to increase the temperatures of the plate fins 2 and 2.
【００２２】前記被暖房室の室内空気は、前記本体ケー
シング１１の下面開放部からこの本体ケーシング１１内
に流入し、前記プレートフィン２、２に接触しながら昇
温されて、本体ケーシング１１内を上昇する。そして、
前記熱交換器Ａで熱交換された後の室内空気は、本体ケ
ーシング１１のトップグリル１３から室内に放出され、
自然対流式の暖房が行なわれる。The room air in the room to be heated flows into the main body casing 11 from an opening at the lower surface of the main body casing 11, and is heated while contacting the plate fins 2 and 2. To rise. And
The indoor air after the heat exchange in the heat exchanger A is discharged from the top grill 13 of the main body casing 11 into the room,
Natural convection heating is performed.
【００２３】一方、図示しないが、前記本体ケーシング
１１の前方輻射面部１１Ａの内側面には、前記熱交換器
Ａとは並列回路の熱媒体循環パイプが熱伝導関係に付設
されており、この前方輻射面部１１Ａからは室内に輻射
熱が放散され、輻射暖房も同時に行なわれる。On the other hand, although not shown, a heat medium circulating pipe of a parallel circuit with the heat exchanger A is provided on the inner side surface of the front radiation surface portion 11A of the main body casing 11 in a heat conduction relationship. Radiant heat is radiated into the room from the radiation surface 11A, and radiation heating is performed at the same time.
【００２４】本実施形態の熱交換器Ａによれば、前記各
中間管板５Ａ及び各端管板５Ｂには、熱媒体パイプ１を
挿通して保持する複数（実施形態では６個）のパイプ保
持孔７、７が設けられ、これら各パイプ保持孔７の周縁
には、バーリング加工によって円筒状のカラー部１０が
形成されているので、熱媒体パイプ１に流れる高温（例
えば約８０℃）の熱媒体の熱的影響によって熱媒体パイ
プ１が膨張しても、この膨張した熱媒体パイプ１は、表
面積の大きなカラー部１０の内周面に接触することにな
り、しかも、各パイプ保持孔７の周縁は、前記カラー部
１０によって機械的強度が高められることになる。その
ため、前記各中間管板５Ａ及び各端管板５Ｂと熱媒体パ
イプ１との接触部分での「こすれ音」の発生や、各中間
管板５Ａ及び各端管板５Ｂの「キシミ音」の発生が抑制
されることになる。According to the heat exchanger A of this embodiment, a plurality of (six in this embodiment) pipes through which the heat medium pipes 1 are inserted and held in the respective intermediate tube plates 5A and the respective end tube plates 5B. The holding holes 7, 7 are provided, and a cylindrical collar portion 10 is formed on the periphery of each of the pipe holding holes 7 by burring, so that a high temperature (for example, about 80 ° C.) flowing through the heat medium pipe 1 can be obtained. Even if the heat medium pipe 1 expands due to the thermal effect of the heat medium, the expanded heat medium pipe 1 comes into contact with the inner peripheral surface of the collar portion 10 having a large surface area. The mechanical strength of the periphery of is increased by the collar portion 10. For this reason, generation of a “rubbing sound” at the contact portion between each of the intermediate tube plates 5A and each of the end tube plates 5B and the heat medium pipe 1 and generation of a “squeaking sound” of each of the intermediate tube plates 5A and each of the end tube plates 5B. Occurrence is suppressed.
【００２５】また、前記カラー部１０の先端部にはラッ
パ状の拡開部１０Ａが形成されているので、拡開部１０
Ａによりカラー部１０自体の機械的強度を高めることが
できる上、カラー部１０をバーリング加工する際に、こ
のカラー部１０の先端部に内向きのバリが発生するよう
な事態となっても、カラー部１０の先端部に拡開部１０
Ａを形成したことによって、熱媒体パイプ１がバリに接
触する心配がない。そのため、「こすれ音」等の異常音
の発生を一層抑制できるものである。Further, a trumpet-shaped expansion portion 10A is formed at the front end of the collar portion 10.
A can increase the mechanical strength of the collar portion 10 itself, and even when burring is performed on the collar portion 10, even if an inward burr occurs at the tip of the collar portion 10, Expanding part 10 at the tip of collar part 10
By forming A, there is no fear that the heat medium pipe 1 comes into contact with burrs. Therefore, the occurrence of abnormal sounds such as "rubbing sound" can be further suppressed.
【００２６】また、前記ラッパ状の拡開部１０Ａの広が
り角度θが、約６０〜１２０度（実施形態では約９０
度）に設定されているので、カラー部１０の強度アッ
プ、並びに拡開部１０Ａを形成加工する上で適当であ
る。The angle of spread of the flared widened portion 10A is about 60 to 120 degrees (about 90 degrees in the embodiment).
(Degree), which is appropriate for increasing the strength of the collar portion 10 and forming and processing the expanded portion 10A.
【００２７】また、前記各中間管板５Ａ及び各端管板５
Ｂは、多数積層されるプレートフィン２、２……群の両
端部並びに中間位置に、互いに所定間隔を存して配置さ
れているので、熱交換器Ａの長手方向の幅寸法Ｗが約３
〜５ｍの長尺タイプの場合、自重や運搬時の振動等に起
因する熱交換器Ａの撓みの発生を抑制できる。Further, each intermediate tube sheet 5A and each end tube sheet 5A
B are arranged at a predetermined distance from each other at both ends and intermediate positions of the plate fins 2, 2,..., Which are stacked in large numbers, so that the width W of the heat exchanger A in the longitudinal direction is about 3
In the case of a long type of up to 5 m, it is possible to prevent the heat exchanger A from being bent due to its own weight, vibration during transportation, and the like.
【００２８】また、前記各中間管板５Ａ及び各端管板５
Ｂの全ては、共通のプレス金型によるプレス加工や曲げ
加工等で作られる同一形状品であるから、管板を数多く
必要とする長尺タイプの熱交換器Ａの場合、製造コスト
面で有利となせると共に、寸法管理、部品在庫管理等の
管理面の手間を削減できる。Further, each intermediate tube sheet 5A and each end tube sheet 5A
All of B have the same shape made by press working or bending work using a common press die. Therefore, in the case of the long type heat exchanger A requiring many tube sheets, it is advantageous in terms of manufacturing cost. In addition to the above, it is possible to reduce labor for management such as dimensional management and parts inventory management.
【００２９】また、前記各中間管板５Ａ及び各端管板５
Ｂの各カラー部１０の内径寸法Ｄ２と前記熱媒体パイプ
１の外径寸法Ｄ１との差が約１ｍｍ以上（実施形態では
１．２ｍｍ）に設定されているので、前記熱媒体パイプ
１が膨張しても、カラー部１０との接触度合いを小さく
でき、そのため、「こすれ音」の発生を一層顕著に抑制
できるものである。Each of the intermediate tube sheets 5A and the end tube sheets 5A
Since the difference between the inner diameter D2 of each collar portion 10 of B and the outer diameter D1 of the heat medium pipe 1 is set to about 1 mm or more (1.2 mm in the embodiment), the heat medium pipe 1 expands. Even so, the degree of contact with the collar portion 10 can be reduced, so that the occurrence of "rubbing noise" can be more remarkably suppressed.
【００３０】尚、本発明のプレートフィン型熱交換器
は、上述の実施形態に限定されるものではないことは言
うまでもない。It is needless to say that the plate-fin type heat exchanger of the present invention is not limited to the above embodiment.
【００３１】[0031]
【発明の効果】以上説明したように本発明のプレートフ
ィン型熱交換器によれば、管板のパイプ保持孔の周縁に
は、筒状のカラー部が設けられ、かつ、カラー部の先端
部はラッパ状に拡開されている構成であるから、暖房運
転開始時や停止時における管板と熱媒体パイプとの接触
部分での「こすれ音」の発生や、管板の「キシミ音」の
発生を抑制できるばかりでなく、カラー部の先端部をラ
ッパ状に拡開したことにより、カラー部自体の機械的強
度を高めつつ、カラー部の先端部に内向きのバリが発生
した場合でも、そのバリに熱媒体パイプが接触するのを
防止でき、因って、「こすれ音」等の異常音の発生を一
層抑制できるものである。As described above, according to the plate fin type heat exchanger of the present invention, a cylindrical collar portion is provided at the periphery of the pipe holding hole of the tube sheet, and the distal end portion of the collar portion is provided. Has a flared configuration, so that a rubbing sound occurs at the contact between the tube sheet and the heat medium pipe at the start and stop of the heating operation, and a Not only can the occurrence be suppressed, but also by increasing the mechanical strength of the collar itself by expanding the tip of the collar into a trumpet shape, even if inward burrs occur at the tip of the collar, The heat medium pipe can be prevented from contacting the burrs, so that the occurrence of abnormal noise such as "rubbing noise" can be further suppressed.
【図１】本発明の一実施形態を示すプレートフィン型熱
交換器の全体構造を説明する説明図である。FIG. 1 is an explanatory diagram illustrating an overall structure of a plate-fin heat exchanger according to an embodiment of the present invention.
【図２】同じく管板の側面図である。FIG. 2 is a side view of the tube sheet.
【図３】同じく管板の正面図である。FIG. 3 is a front view of the tube sheet.
【図４】同じくパイプ保持孔に熱媒体パイプを挿通した
状態を説明する説明図である。FIG. 4 is an explanatory diagram illustrating a state in which a heat medium pipe is inserted into a pipe holding hole.
【図５】同じく管板の要部拡大断面図である。FIG. 5 is an enlarged sectional view of a main part of the tube sheet.
【図６】本発明によるプレートフィン型熱交換器が組み
込まれた暖房機の斜視図である。FIG. 6 is a perspective view of a heater incorporating the plate-fin heat exchanger according to the present invention.
【図７】従来例の全体構成を説明する説明図である。FIG. 7 is an explanatory diagram illustrating an entire configuration of a conventional example.
【図８】従来例のパイプ保持孔に熱媒体パイプを挿通し
た状態を説明する説明図である。FIG. 8 is an explanatory view illustrating a state in which a heat medium pipe is inserted into a conventional pipe holding hole.
Ａ プレートフィン型熱交換器 １ 熱媒体パイプ ２ プレートフィン ５Ａ 中間管板（管板） ５Ｂ 端管板（管板） ７ パイプ保持孔 １０ カラー部 １０Ａ 拡開部 ５Ａ 中間管板（管板） ２Ａ パイプ挿入孔 ５Ａ パイプ保持孔 ５Ｂ カラー部 ５Ｃ 先端 Reference Signs List A Plate fin type heat exchanger 1 Heat medium pipe 2 Plate fin 5A Intermediate tube sheet (tube sheet) 5B End tube sheet (tube sheet) 7 Pipe holding hole 10 Collar part 10A Expanding part 5A Intermediate tube sheet (tube sheet) 2A Pipe insertion hole 5A Pipe holding hole 5B Collar part 5C Tip
Claims (5)
パイプと、この熱媒体パイプに熱伝導関係に装着された
多数のプレートフィンと、これらプレートフィンに並設
され、前記熱媒体パイプを挿通して保持するパイプ保持
孔を設けた複数の管板とにより構成されたプレートフィ
ン型熱交換器において、前記管板のパイプ保持孔周縁に
は、筒状のカラー部が設けられ、かつ、このカラー部の
先端部はラッパ状に拡開されていることを特徴とするプ
レ−トフィン型熱交換器。1. A heat-conductive heat medium pipe through which a heat medium such as hot water flows, a large number of plate fins mounted on the heat medium pipe in a heat conductive relationship, and the heat medium In a plate fin type heat exchanger constituted by a plurality of tube sheets provided with pipe holding holes for inserting and holding pipes, a tubular collar portion is provided on a periphery of the pipe holding holes of the tube sheet, A plate-fin type heat exchanger characterized in that the front end of the collar portion is expanded in a trumpet shape.
約６０度以上に設定したことを特徴とする請求項１に記
載のプレ−トフィン型熱交換器。2. The plate-fin type heat exchanger according to claim 1, wherein the spread angle θ of the trumpet-shaped expanding portion is set to about 60 degrees or more.
両端部並びに中間位置に、互いに所定間隔を存して配置
されていることを特徴とする請求項１に記載のプレ−ト
フィン型熱交換器。3. The plate-fin type heat exchanger according to claim 1, wherein said tube sheets are arranged at predetermined intervals from each other at both ends and intermediate positions of a large number of plate fin groups. Exchanger.
あることを特徴とする請求項１に記載のプレ−トフィン
型熱交換器。4. The plate fin type heat exchanger according to claim 1, wherein all of the plurality of tube sheets have the same shape.
の外径との差を約１ｍｍ以上に設定したことを特徴とす
る請求項１に記載のプレ−トフィン型熱交換器。5. The plate-fin type heat exchanger according to claim 1, wherein a difference between an inner diameter of the collar portion and an outer diameter of the heat medium pipe is set to about 1 mm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000332219A JP4596627B2 (en) | 2000-10-31 | 2000-10-31 | Plate fin heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000332219A JP4596627B2 (en) | 2000-10-31 | 2000-10-31 | Plate fin heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002130980A true JP2002130980A (en) | 2002-05-09 |
| JP4596627B2 JP4596627B2 (en) | 2010-12-08 |
Family
ID=18808451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000332219A Expired - Fee Related JP4596627B2 (en) | 2000-10-31 | 2000-10-31 | Plate fin heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4596627B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008309440A (en) * | 2007-06-18 | 2008-12-25 | Panasonic Corp | Heat exchanger and manufacturing method for it |
| JP2012215365A (en) * | 2011-04-01 | 2012-11-08 | Yanmar Co Ltd | Heat exchanger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57100165U (en) * | 1980-12-09 | 1982-06-19 | ||
| JPS57139090U (en) * | 1981-02-26 | 1982-08-31 | ||
| JPS60111883U (en) * | 1983-12-28 | 1985-07-29 | 北芝電機株式会社 | Heat exchanger |
| JPS62156278U (en) * | 1986-03-26 | 1987-10-03 | ||
| JPH0346781U (en) * | 1989-09-11 | 1991-04-30 |
-
2000
- 2000-10-31 JP JP2000332219A patent/JP4596627B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57100165U (en) * | 1980-12-09 | 1982-06-19 | ||
| JPS57139090U (en) * | 1981-02-26 | 1982-08-31 | ||
| JPS60111883U (en) * | 1983-12-28 | 1985-07-29 | 北芝電機株式会社 | Heat exchanger |
| JPS62156278U (en) * | 1986-03-26 | 1987-10-03 | ||
| JPH0346781U (en) * | 1989-09-11 | 1991-04-30 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008309440A (en) * | 2007-06-18 | 2008-12-25 | Panasonic Corp | Heat exchanger and manufacturing method for it |
| JP2012215365A (en) * | 2011-04-01 | 2012-11-08 | Yanmar Co Ltd | Heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4596627B2 (en) | 2010-12-08 |
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