JP2021055972A - Heat exchanger and its manufacturing method - Google Patents

Abstract

To provide a heat exchanger which is easy in the temporary attachment of an accessory component which should be brazed, and also easy in manufacturing work.SOLUTION: A tank main body 14 of a header tank 5 to which an attachment bracket 8 as an accessory component of a condenser is fixed is formed by being brazed in a state that a metal base plate 31 is formed into a cylindrical shape, and both-end edge parts are made to butt with each other. A protrusive wall 32 protruding outward is integrally formed at either of the mutually-brazed both-side edge parts of the tank main body 14. In a state that a gripped part 8a arranged at the attachment bracket 8 is gripped by a gripping claw 33 which is formed by the partial deformation of the protrusive wall 32, and in this state, the attachment bracket 8 is brazed to the tank main body 14.SELECTED DRAWING: Figure 2

Description

この発明は、熱交換器およびその製造方法に関する。 The present invention relates to a heat exchanger and a method for manufacturing the same.

この明細書および特許請求の範囲において、ろう材による接合を「ろう付」と称するものとする。 In the present specification and claims, brazing is referred to as "brazing".

車両用空調装置に用いられる熱交換器として、長手方向を左右方向に向けた状態で上下方向に間隔をおいて積層状に配置された複数の扁平状熱交換管と、長手方向を熱交換管の並び方向である上下方向に向けた状態で熱交換管の長手方向両側に位置するように互いに間隔をおいて配置され、かつ熱交換管の両端部が接続された左右１対のヘッダタンクと、隣り合う熱交換管どうしの間に配置されたフィンと、各ヘッダタンクにろう付された取付ブラケットとを備えており、各ヘッダタンクが、金属素板が筒状に成形されるとともに両側縁部どうしが突き合わされた状態でろう付されることにより形成された筒状タンク本体およびタンク本体の両端部にろう付されて両端開口を閉鎖する閉鎖部材からなり、各ヘッダタンクのタンク本体における互いにろう付された両側縁部に、それぞれ外方に突出するとともに互いに面接触状態でろう付された接合片が一体に設けられており、取付ブラケットがタンク本体の少なくともいずれか一方の接合片に溶接により仮固定された状態でタンク本体にろう付されている熱交換器が知られている（特許文献１参照）。 As heat exchangers used in vehicle air conditioners, a plurality of flat heat exchange tubes arranged in a laminated manner at intervals in the vertical direction with the longitudinal direction facing the left-right direction, and heat exchange tubes in the longitudinal direction. A pair of left and right header tanks that are arranged at intervals from each other so that they are located on both sides of the heat exchange tube in the vertical direction, which is the arrangement direction of the heat exchange tubes, and both ends of the heat exchange tubes are connected. It is equipped with fins arranged between adjacent heat exchange tubes and mounting brackets brazed to each header tank, and each header tank has a metal base plate formed into a tubular shape and both side edges. It consists of a tubular tank body formed by brazing the parts abutting each other and a closing member brazed to both ends of the tank body to close the openings at both ends, and each other in the tank body of each header tank. The brazed side edges are integrally provided with brazed joint pieces that project outward and are in surface contact with each other, and the mounting bracket is welded to at least one of the tank body joint pieces. There is known a heat exchanger that is brazed to the tank body in a state of being temporarily fixed by (see Patent Document 1).

特許文献１記載の熱交換器は、タンク本体形成部、およびタンク本体形成部の一側縁に連なってタンク本体形成部の全長にわたって設けられるとともに一定幅を有する帯状の接合片形成部を備えた金属素板と、金属製取付ブラケットと、金属製閉鎖部材と、その他の熱交換器用金属部材とを用意し、ついで金属素板のタンク本体形成部に複数の熱交換管挿入穴を形成し、ついで金属素板のタンク本体形成部を筒状に成形することによりタンク本体形成部の両側縁部どうしを突き合わせてタンク本体用筒状体を得るとともに、接合片形成部をタンク本体用筒状体の外側に曲げ、ついで少なくともいずれか一方の接合片に取付ブラケットを溶接により仮固定し、その後タンク本体用筒状体の互いに突き合わされた両側縁部どうしおよび両接合片どうしをろう付してタンク本体を得るとともにタンク本体に閉鎖部材をろう付してヘッダタンクをつくり、さらに取付ブラケットをヘッダタンクの接合片にろう付し、これと同時に他の熱交換器用金属部材を一括してろう付することを含む方法で製造されている。 The heat exchanger described in Patent Document 1 is provided with a tank main body forming portion and a strip-shaped joint piece forming portion having a constant width and being provided over the entire length of the tank main body forming portion connected to one side edge of the tank main body forming portion. A metal base plate, a metal mounting bracket, a metal closing member, and other metal members for heat exchangers are prepared, and then a plurality of heat exchange tube insertion holes are formed in the tank body forming portion of the metal base plate. Then, by forming the tank body forming portion of the metal base plate into a tubular shape, both side edges of the tank body forming portion are butted against each other to obtain a tank body tubular body, and the joint piece forming portion is formed into a tank body tubular body. Bend outwards, then temporarily fix the mounting bracket to at least one of the joints by welding, then braze the abutted edges of the tank body tubular body and both joints to the tank. Obtain the main body and braze the closing member to the tank body to make a header tank, and then braze the mounting bracket to the joint piece of the header tank, and at the same time, braze the other metal members for the heat exchanger together. Manufactured in a way that includes that.

特開平１０−２３８９９０号公報Japanese Unexamined Patent Publication No. 10-238990

しかしながら、特許文献１記載の熱交換器においては、製造時に取付ブラケットを接合片に溶接により仮止めする作業が面倒であり、ひいては製造作業が面倒になるという問題がある。 However, in the heat exchanger described in Patent Document 1, there is a problem that the work of temporarily fixing the mounting bracket to the joint piece by welding at the time of manufacturing is troublesome, which in turn makes the manufacturing work troublesome.

この発明の目的は、上記問題を解決し、製造作業の容易な熱交換器を提供することにある。 An object of the present invention is to solve the above problems and to provide a heat exchanger that is easy to manufacture.

本発明は、上記目的を達成するために以下の態様からなる。 The present invention comprises the following aspects in order to achieve the above object.

1)長手方向を同方向に向けた状態で互いに間隔をおいて積層状に配置された複数の熱交換管と、長手方向を熱交換管の並び方向に向けた状態で熱交換管の長手方向両側に位置するように互いに間隔をおいて配置され、かつ熱交換管の両端部が接続された１対のヘッダタンクと、隣り合う熱交換管どうしの間に配置されたフィンとを備えており、ヘッダタンクが、筒状タンク本体およびタンク本体の両端開口を閉鎖する閉鎖部材からなり、少なくともいずれか一方のヘッダタンクのタンク本体に付属部品が固定されている熱交換器であって、
付属部品が固定されたヘッダタンクのタンク本体が、金属素板が筒状に成形されるとともに両側縁部どうしが突き合わされた状態でろう付されることにより形成され、当該タンク本体における互いにろう付された両側縁部のうちのいずれか一方に、外方に突出した突出壁が一体に設けられ、付属部品に設けられた被把持部が、突出壁が部分的に変形させられることにより設けられた把持爪により把持され、この状態で付属部品がタンク本体にろう付されている熱交換器。 1) Multiple heat exchange tubes arranged in a stack with the longitudinal direction facing the same direction at intervals from each other, and the longitudinal direction of the heat exchange tubes with the longitudinal direction facing the arrangement direction of the heat exchange tubes. It has a pair of header tanks that are spaced apart from each other so that they are located on both sides and that both ends of the heat exchange tubes are connected, and fins that are arranged between adjacent heat exchange tubes. A heat exchanger in which the header tank consists of a tubular tank body and a closing member that closes the openings at both ends of the tank body, and accessories are fixed to the tank body of at least one of the header tanks.
The tank body of the header tank to which the accessory parts are fixed is formed by brazing the metal base plate in a tubular shape and with the edges of both sides abutting against each other, and brazing each other in the tank body. An outwardly protruding protruding wall is integrally provided on one of the both side edges, and a gripped portion provided on the accessory part is provided by partially deforming the protruding wall. A heat exchanger that is gripped by the gripping claws and the accessories are brazed to the tank body in this state.

2)突出壁に、当該突出壁の突出端から基端側に延びる２つの方形切り欠きが突出壁の長手方向に間隔をおいて形成されることにより切り欠き対が設けられ、付属部品の被把持部が切り欠き対の両切り欠き間に配置され、切り欠き対の各方形切り欠きにおける突出壁の長手方向の両側縁部のうち他方の切り欠き側の側縁部に前記把持爪が設けられ、当該把持爪により付属部品の被把持部が把持されている上記1)記載の熱交換器。 2) Two square notches extending from the protruding end of the protruding wall to the base end side are formed on the protruding wall at intervals in the longitudinal direction of the protruding wall, so that a pair of cutouts is provided to cover the accessory parts. The grip portion is arranged between both notches of the notch pair, and the grip claw is provided on the side edge portion of the other notch side of the both side edges in the longitudinal direction of the protruding wall in each square notch of the notch pair. , The heat exchanger according to 1) above, wherein the gripped portion of the accessory part is gripped by the gripping claw.

3)付属部品が、ヘッダタンクのタンク本体の外周面の一部に沿う部分筒状面を有するベース部と、ベース部から突出するように設けられた取付部とを備えたヘッダタンク用取付ブラケットであり、取付部におけるベース部寄りの部分に被把持部が設けられている上記1)または2)記載の熱交換器。 3) Mounting bracket for header tank with accessory parts including a base part having a partial tubular surface along a part of the outer peripheral surface of the tank body of the header tank and a mounting part provided so as to protrude from the base part. The heat exchanger according to 1) or 2) above, wherein a gripped portion is provided in a portion of the mounting portion near the base portion.

4)付属部品が入口部材および出口部材であり、入口部材がタンク本体にろう付されたヘッダタンクに、入口部材を通して冷媒が流入する冷媒入口ヘッダが設けられ、出口部材がタンク本体にろう付されたヘッダタンクに、出口部材を通して冷媒が流出する冷媒出口ヘッダが設けられており、入口部材および出口部材が、ヘッダタンクのタンク本体の外周面の一部に沿う部分筒状面を有しかつ冷媒流路が形成された本体部を備え、本体部に、タンク本体から離れる方向に突出した被把持部が設けられている上記1)〜3)のうちのいずれかに記載の熱交換器。 4) The accessory parts are an inlet member and an outlet member, and the header tank in which the inlet member is brazed to the tank body is provided with a refrigerant inlet header through which the refrigerant flows through the inlet member, and the outlet member is brazed to the tank body. The header tank is provided with a refrigerant outlet header through which the refrigerant flows out through the outlet member, and the inlet member and the outlet member have a partial tubular surface along a part of the outer peripheral surface of the tank body of the header tank and the refrigerant. The heat exchanger according to any one of 1) to 3) above, which has a main body portion in which a flow path is formed, and the main body portion is provided with a gripped portion protruding in a direction away from the tank main body.

5)コンデンサとして用いられる熱交換器であって、
複数の熱交換管が通じる凝縮部入口ヘッダおよび複数の熱交換管が通じる凝縮部出口ヘッダを有する凝縮部と、複数の熱交換管が通じる過冷却部入口ヘッダおよび複数の熱交換管が通じる過冷却部出口ヘッダを有する過冷却部と、内部が密閉され、かつ凝縮部出口ヘッダから流入した気液混相冷媒を気相冷媒と液相冷媒とに分離するとともに液相冷媒を過冷却部入口ヘッダに送り出す受液器とを備えており、受液器に付属部品としての受液器用取付ブラケットが固定され、
受液器が、金属素板が筒状に成形されるとともに両側縁部どうしが突き合わされた状態でろう付されることにより形成された筒状受液器本体と、受液器本体の両端開口を閉鎖する閉鎖部材とからなり、少なくともいずれか一方の閉鎖部材が受液器本体にろう付され、受液器本体における互いにろう付された両側縁部のうちのいずれか一方に、外方に突出した突出壁が一体に設けられ、
受液器用取付ブラケットが、受液器本体の外周面の一部に沿う部分筒状面を有するベース部と、ベース部から突出するように設けられた取付部とを備えており、受液器用取付ブラケットの取付部におけるベース部寄りの部分に設けられた被把持部が、受液器本体の突出壁が部分的に変形させられることにより設けられた把持爪により把持され、この状態で受液器用取付ブラケットが受液器本体にろう付されている上記1)〜4)のうちのいずれかに記載の熱交換器。 5) A heat exchanger used as a capacitor
Condensing part having a condensing part inlet header through which a plurality of heat exchange tubes and a condensing part outlet header through which a plurality of heat exchange tubes are connected, and an overcooling part inlet header through which a plurality of heat exchange tubes and a plurality of heat exchange tubes are connected. The supercooling section having the cooling section outlet header and the gas-liquid mixed phase refrigerant that is sealed inside and flowed in from the condensing section outlet header are separated into the gas phase refrigerant and the liquid phase refrigerant, and the liquid phase refrigerant is separated from the supercooling section inlet header. It is equipped with a receiver that sends out to the receiver, and the mounting bracket for the receiver as an accessory is fixed to the receiver.
The receiver body is formed by brazing the metal base plate into a tubular shape and the edges of both sides are abutted against each other, and the openings at both ends of the receiver body. It consists of a closing member that closes the lid, and at least one of the closing members is brazed to the receiver body and outwardly to one of the brazed side edges of the receiver body. A protruding wall is provided integrally,
The mounting bracket for the receiver is provided with a base portion having a partially tubular surface along a part of the outer peripheral surface of the receiver body and a mounting portion provided so as to protrude from the base portion, and is used for the receiver. The gripped portion provided near the base portion in the mounting portion of the mounting bracket is gripped by the gripping claw provided by partially deforming the protruding wall of the liquid receiver body, and the liquid is received in this state. The heat exchanger according to any one of 1) to 4) above, in which the dexterity mounting bracket is brazed to the receiver body.

6)受液器本体の突出壁に、当該突出壁の突出端から基端側に延びる２つの方形切り欠きが突出壁の長手方向に間隔をおいて形成されることにより切り欠き対が設けられ、受液器用取付ブラケットの被把持部が切り欠き対の両切り欠き間に配置され、切り欠き対の各方形切り欠きにおける突出壁の長手方向の両側縁部のうち他方の切り欠き側の側縁部に前記把持爪が設けられ、当該把持爪により受液器用取付ブラケットの被把持部が把持されている上記5)記載の熱交換器。 6) A pair of notches is provided on the protruding wall of the receiver body by forming two square notches extending from the protruding end of the protruding wall toward the base end side at intervals in the longitudinal direction of the protruding wall. , The gripped portion of the liquid receiver mounting bracket is arranged between both notches of the notch pair, and the side edge of the other notch side of the longitudinal side edges of the protruding wall in each square notch of the notch pair. The heat exchanger according to 5) above, wherein the gripping claw is provided on the portion, and the gripped portion of the liquid receiver mounting bracket is gripped by the gripping claw.

7)上記2)記載の熱交換器を、すべての金属部材を一括してろう付することにより製造する方法であって、
付属部品がろう付されたヘッダタンクのタンク本体を形成する金属素板と、タンク本体にろう付されてその両端開口を閉鎖する閉鎖部材と、被把持部を有する付属部品と、その他の熱交換器用金属部材とを用意し、金属素板に、タンク本体形成部、およびタンク本体形成部の一側縁に連なりかつタンク本体形成部の全長にわたる一定幅の帯状突出壁形成部を設けておき、
ついで、金属素板の突出壁形成部に、突出壁形成部の先端から基端側に延びる第１直線部と、第１直線部の先端に連なって突出壁形成部の長手方向に延びる第２直線部とからなるＬ形の２つのスリットを、第２直線部の先端どうしが対向して反対方向を向くように突出壁形成部の長手方向に間隔をおいて形成することによりスリット対を設ける工程Ａ、金属素板のタンク本体形成部を筒状に成形することによりタンク本体形成部の両側縁部どうしを突き合わせてタンク本体用筒状体を得るとともに、突出壁形成部をタンク本体用筒状体の外側に曲げる工程Ｂ、ならびに付属部品の被把持部をスリット対の両スリット間に配置した後、突出壁形成部に形成されたスリット対の両スリットにおける両直線部に挟まれた部分を曲げて付属部品の被把持部を把持する把持爪を設けることにより付属部品を突出壁形成部に仮止めする工程Ｃを順不同で実施することによって、タンク本体用筒状体の互いに突き合わされた両側縁部のうちのいずれか一方に外方に突出した突出壁が一体に設けられ、付属部品の一部の被把持部が突出壁に設けられた把持爪により把持されて付属部品がタンク本体用筒状体に仮止めされている組み合わせ体をつくり、
その後、前記組み合わせ体のタンク本体用筒状体の互いに突き合わされた両側縁部どうしをろう付してタンク本体を得るとともにタンク本体に閉鎖部材をろう付してヘッダタンクをつくり、さらに付属部品をヘッダタンクのタンク本体にろう付し、これと同時に他の熱交換器用構成部品を一括してろう付することを含む熱交換器の製造方法。 7) The heat exchanger described in 2) above is a method of manufacturing by brazing all metal members at once.
A metal base plate that forms the tank body of a header tank with brazed accessories, a closing member that is brazed to the tank body and closes the openings at both ends, accessories with grips, and other heat exchange. A dexterous metal member is prepared, and the metal base plate is provided with a tank body forming portion and a strip-shaped protruding wall forming portion which is connected to one side edge of the tank body forming portion and has a constant width over the entire length of the tank body forming portion.
Next, in the protruding wall forming portion of the metal base plate, a first straight line portion extending from the tip of the protruding wall forming portion to the proximal end side and a second straight portion extending in the longitudinal direction of the protruding wall forming portion connected to the tip of the first straight line portion. A pair of slits is provided by forming two L-shaped slits composed of a straight portion at intervals in the longitudinal direction of the protruding wall forming portion so that the tips of the second straight portions face each other and face in opposite directions. In step A, by forming the tank body forming portion of the metal base plate into a tubular shape, both side edges of the tank body forming portion are butted against each other to obtain a tank body tubular body, and the protruding wall forming portion is formed into a tank body cylinder. Step B of bending to the outside of the shape, and after arranging the gripped portion of the accessory part between both slits of the slit pair, the portion sandwiched between the straight portions of both slits of the slit pair formed in the protruding wall forming portion. By providing a gripping claw that bends and grips the gripped portion of the accessory part, the step C of temporarily fixing the accessory part to the protruding wall forming portion is carried out in no particular order, so that the tubular bodies for the tank body are butted against each other. A protruding wall protruding outward is integrally provided on one of the both side edges, and a part of the gripped portion of the accessory part is gripped by the gripping claw provided on the protruding wall, and the accessory part is the tank main body. Make a combination that is temporarily fixed to the tubular body,
After that, the both side edges of the tubular body for the tank body of the combination are brazed to each other to obtain the tank body, and the closing member is brazed to the tank body to make a header tank, and further accessories are added. A method for manufacturing a heat exchanger, which includes brazing to the tank body of a header tank and at the same time brazing other heat exchanger components in a batch.

8)上記6)記載の熱交換器を、すべての金属部材を一括してろう付することにより製造する方法であって、
受液器の受液器本体を形成する金属素板と、受液器本体の少なくとも一端部にろう付されて当該開口を閉鎖する閉鎖部材と、被把持部を有する金属製受液器用取付ブラケットとを用意し、金属素板に、受液器本体形成部、および受液器本体形成部の一側縁に連なりかつ受液器本体形成部の全長にわたる一定幅の帯状突出壁形成部を設けておき、
ついで、金属素板の突出壁形成部に、突出壁形成部の先端から基端側に延びる第１直線部と、第１直線部の先端に連なって突出壁形成部の長手方向に延びる第２直線部とからなるＬ形の２つのスリットを、第２直線部の先端どうしが対向して反対方向を向くように突出壁形成部の長手方向に間隔をおいて形成することによりスリット対を設ける工程Ｄ、金属素板の受液器本体形成部を筒状に成形することにより受液器本体形成部の両側縁部どうしを突き合わせて受液器本体用筒状体を得るとともに、突出壁形成部を受液器本体用筒状体の外側に曲げる工程Ｅ、ならびに受液器用取付ブラケットの被把持部をスリット対の両スリット間に配置した後、突出壁形成部に形成されたスリット対の両スリットにおける両直線部に挟まれた部分を曲げて受液器用取付ブラケットの被把持部を把持する把持爪を設けることにより受液器用取付ブラケットを突出壁形成部に仮止めする工程Ｆを順不同で実施することによって、受液器本体用筒状体の互いに突き合わされた両側縁部のうちのいずれか一方に外方に突出した突出壁が一体に設けられ、受液器用取付ブラケットの一部の被把持部が突出壁に設けられた把持爪により把持されて受液器用取付ブラケットが受液器本体用筒状体に仮止めされている受液器用組み合わせ体をつくり、前記ヘッダタンク用組み合わせ体のタンク本体用筒状体の互いに突き合わされた両側縁部どうしのろう付、タンク本体と閉鎖部材とのろう付、ヘッダタンクのタンク本体と付属部品とのろう付と同時に、受液器用組み合わせ体の受液器本体用筒状体の互いに突き合わされた両側縁部どうしをろう付して受液器本体を得るとともに受液器本体に金属製閉鎖部材をろう付して受液器をつくり、さらに受液器用取付ブラケットを受液器の受液器本体にろう付することを含む上記7)記載の熱交換器の製造方法。 8) The heat exchanger described in 6) above is a method of manufacturing by brazing all metal members at once.
A metal base plate forming the receiver body of the receiver, a closing member brazed to at least one end of the receiver body to close the opening, and a metal receiver mounting bracket having a gripped portion. And, the metal base plate is provided with a receiver main body forming portion and a strip-shaped protruding wall forming portion which is connected to one side edge of the receiving receiver main body forming portion and has a constant width over the entire length of the receiving receiver main body forming portion. Aside,
Next, the protruding wall forming portion of the metal base plate has a first straight portion extending from the tip of the protruding wall forming portion toward the proximal end side and a second straight portion extending in the longitudinal direction of the protruding wall forming portion connected to the tip of the first straight portion. A pair of slits is provided by forming two L-shaped slits composed of a straight portion at intervals in the longitudinal direction of the protruding wall forming portion so that the tips of the second straight portions face each other and face in opposite directions. In step D, by forming the receiver body forming portion of the metal base plate into a tubular shape, both side edges of the receiver body forming portion are abutted against each other to obtain a tubular body for the receiver body, and a protruding wall is formed. In step E of bending the portion to the outside of the tubular body for the receiver body, and after arranging the gripped portion of the receiver mounting bracket between both slits of the slit pair, the slit pair formed in the protruding wall forming portion. Step F of temporarily fixing the receiver mounting bracket to the protruding wall forming portion by bending the portion sandwiched between the two straight portions in both slits and providing a gripping claw for gripping the gripped portion of the receiver mounting bracket is performed in no particular order. By carrying out this process, a protruding wall protruding outward is integrally provided on one of the both side edges of the tubular body for the receiver body, which is abutted against each other, and a part of the mounting bracket for the receiver body. The gripped portion is gripped by the gripping claws provided on the protruding wall, and the receiver mounting bracket is temporarily fixed to the tubular body for the receiver body to form a receiver combination, and the combination for the header tank. Brazing on both sides of the tubular body for the tank body, which are abutted against each other, brazing between the tank body and the closing member, brazing between the tank body and the accessory parts of the header tank, and at the same time, the combination for the receiver Brazing the both abutting edges of the body's tubular body for the receiver body to obtain the receiver body, and brazing a metal closing member to the receiver body to make the receiver. Further, the method for manufacturing a heat exchanger according to 7) above, which includes brazing the mounting bracket for the receiver to the receiver body of the receiver.

上記1)〜6)の熱交換器によれば、付属部品が固定されたヘッダタンクのタンク本体が、金属素板が筒状に成形されるとともに両側縁部どうしが突き合わされた状態でろう付されることにより形成され、当該タンク本体における互いにろう付された両側縁部のうちのいずれか一方に、外方に突出した突出壁が一体に設けられ、付属部品に設けられた被把持部が、突出壁が部分的に変形させられることにより設けられた把持爪により把持され、この状態で付属部品がタンク本体にろう付されているので、上記7)記載の方法により製造するにあたって、付属部品の被把持部を、金属素板からなるタンク本体用筒状体の突出壁に設けられた把持爪によって把持することにより、付属部品をタンク本体用筒状体に仮止めすることができる。したがって、付属部品の仮止めが、特許文献１記載の熱交換器のように点溶接により行う場合に比べて容易になり、ひいては熱交換器の製造作業が容易になる。 According to the heat exchangers 1) to 6) above, the tank body of the header tank to which the accessory parts are fixed is brazed with the metal base plate formed into a tubular shape and the edges on both sides abutted against each other. A protruding wall protruding outward is integrally provided on one of both side edges brazed to each other in the tank body, and a gripped portion provided on an accessory part is provided. Since the protruding wall is gripped by the gripping claws provided by being partially deformed and the accessory parts are brazed to the tank body in this state, the accessory parts are manufactured by the method described in 7) above. By gripping the gripped portion of the above with a gripping claw provided on the protruding wall of the tubular body for the tank body made of a metal base plate, the accessory parts can be temporarily fixed to the tubular body for the tank body. Therefore, the temporary fixing of the accessory parts becomes easier as compared with the case where the accessory parts are temporarily fixed by spot welding as in the heat exchanger described in Patent Document 1, and the manufacturing work of the heat exchanger becomes easier.

上記2)の熱交換器によれば、比較的簡単な構成で、付属部品を金属素板からなりかつヘッダタンクのタンク本体を構成するタンク本体用筒状体に確実に仮止めすることができる。 According to the heat exchanger in 2) above, the accessory parts can be securely temporarily fixed to the tubular body for the tank body, which is made of a metal base plate and constitutes the tank body of the header tank, with a relatively simple configuration. ..

上記5)および6)の熱交換器によれば、上記8)記載の方法により製造するにあたって、受液器用取付ブラケットの被把持部を、金属素板からなる受液器本体用筒状体の突出壁に設けられた把持爪によって把持することにより、付属部品を受液器本体用筒状体に仮止めすることができる。したがって、付属部品の仮止めが、特許文献１記載の熱交換器のように点溶接により行う場合に比べて容易になり、ひいては熱交換器の製造作業が容易になる。 According to the heat exchangers 5) and 6) above, in manufacturing by the method described in 8) above, the gripped portion of the mounting bracket for the receiver is made of a tubular body for the receiver body made of a metal base plate. By gripping with the gripping claws provided on the protruding wall, the accessory parts can be temporarily fixed to the tubular body for the receiver body. Therefore, the temporary fixing of the accessory parts becomes easier as compared with the case where the accessory parts are temporarily fixed by spot welding as in the heat exchanger described in Patent Document 1, and the manufacturing work of the heat exchanger becomes easier.

上記7)の熱交換器の製造方法によれば、付属部品の被把持部を、金属素板からなるタンク本体用筒状体の突出壁に設けられた把持爪によって把持することにより、付属部品をタンク本体用筒状体に仮止めすることができる。したがって、付属部品の仮止めが、特許文献１記載の熱交換器のように点溶接により行う場合に比べて容易になり、ひいては熱交換器の製造作業が容易になる。 According to the method for manufacturing the heat exchanger in 7) above, the accessory part is gripped by the gripping claw provided on the protruding wall of the tubular body for the tank body made of a metal base plate. Can be temporarily fixed to the tubular body for the tank body. Therefore, the temporary fixing of the accessory parts becomes easier as compared with the case where the accessory parts are temporarily fixed by spot welding as in the heat exchanger described in Patent Document 1, and the manufacturing work of the heat exchanger becomes easier.

上記8)の熱交換器の製造方法によれば、受液器用取付ブラケットの被把持部を、金属素板からなる受液器本体用筒状体の突出壁に設けられた把持爪によって把持することにより、受液器用取付ブラケットを受液器本体用筒状体に仮止めすることができる。したがって、受液器用取付ブラケットの仮止めが、特許文献１記載の熱交換器のように点溶接により行う場合に比べて容易になり、ひいては熱交換器の製造作業が容易になる。 According to the method for manufacturing the heat exchanger in 8) above, the gripped portion of the mounting bracket for the receiver is gripped by the gripping claws provided on the protruding wall of the tubular body for the receiver body made of a metal base plate. Thereby, the mounting bracket for the receiver can be temporarily fixed to the tubular body for the receiver body. Therefore, the temporary fixing of the mounting bracket for the liquid receiver becomes easier than in the case of spot welding as in the heat exchanger described in Patent Document 1, and the manufacturing work of the heat exchanger becomes easier.

この発明による熱交換器を適用したコンデンサの全体構成を示す正面図である。It is a front view which shows the whole structure of the capacitor to which the heat exchanger by this invention is applied. 図１のコンデンサのヘッダタンクにおける取付ブラケットが固定されている部分の構成を示す背面側から見た拡大斜視図である。It is an enlarged perspective view seen from the back side which shows the structure of the part where the mounting bracket is fixed in the header tank of the capacitor of FIG. 図１のコンデンサのヘッダタンクにおける入口部材が固定されている部分の構成を示す拡大斜視図である。It is an enlarged perspective view which shows the structure of the part where the inlet member is fixed in the header tank of the capacitor of FIG. 図１のコンデンサの受液器における取付ブラケットが固定されている部分の構成を示す背面側から見た拡大斜視図である。It is an enlarged perspective view seen from the back side which shows the structure of the part where the mounting bracket is fixed in the receiver of the condenser of FIG. 図１のコンデンサを製造するにあたり、図１のコンデンサの右側ヘッダタンクを製造する方法の一部の工程を示す一部を省略した斜視図である。In manufacturing the capacitor of FIG. 1, it is a perspective view which omits a part which shows a part process of the method of manufacturing the right header tank of the capacitor of FIG.

以下、この発明の実施形態を、図面を参照して説明する。この実施形態は、この発明による熱交換器を、車両用空調装置のコンデンサに適用したものである。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. In this embodiment, the heat exchanger according to the present invention is applied to a condenser of a vehicle air conditioner.

以下の説明において、図１の上下、左右を上下、左右というものとする。また、図１の紙面表裏方向を前後方向というものとし、図１の紙面表側を前（正面）、これと反対側を後（背面）というものとする。 In the following description, the top and bottom and left and right of FIG. 1 are referred to as top and bottom and left and right. Further, the front and back directions of the paper surface in FIG. 1 are referred to as the front-back direction, the front side of the paper surface in FIG. 1 is referred to as the front (front), and the opposite side is referred to as the rear (back).

また、以下の説明において、「アルミニウム」という用語には、純アルミニウムの他にアルミニウム合金を含むものとする。 Further, in the following description, the term "aluminum" shall include an aluminum alloy in addition to pure aluminum.

図１はこの発明の熱交換器を適用したコンデンサの全体構成を示し、図２〜図４はその要部の構成を示す。図５は図１のコンデンサを製造するにあたり、図１のコンデンサの右側ヘッダタンクを製造する工程の一部を示す。 FIG. 1 shows the overall configuration of a capacitor to which the heat exchanger of the present invention is applied, and FIGS. 2 to 4 show the configuration of a main part thereof. FIG. 5 shows a part of the process of manufacturing the right header tank of the capacitor of FIG. 1 in manufacturing the capacitor of FIG.

図１において、車両用空調装置のコンデンサ(1)は、凝縮部(2)および凝縮部(2)の下方に設けられた過冷却部(3)を備えており、熱交換コア部(4)と、長手方向を上下方向に向けた状態で熱交換コア部(4)の右側および左側に配置された２つのアルミニウム製ヘッダタンク(5)(6)と、左側ヘッダタンク(6)に固定されたアルミニウム製タンク状受液器(7)とからなり、右側ヘッダタンク(5)および受液器(7)に固定されたアルミニウム製取付ブラケット(8)(9)を用いて車両に設置されるようになっている。 In FIG. 1, the condenser (1) of the vehicle air conditioner includes a condensing portion (2) and an overcooling portion (3) provided below the condensing portion (2), and has a heat exchange core portion (4). And, it is fixed to two aluminum header tanks (5) (6) arranged on the right side and the left side of the heat exchange core part (4) and the left side header tank (6) with the longitudinal direction facing up and down. It consists of an aluminum tank-shaped receiver (7) and is installed in the vehicle using the aluminum mounting brackets (8) and (9) fixed to the right header tank (5) and the receiver (7). It has become like.

コンデンサ(1)は、圧縮機、膨張弁（減圧器）およびエバポレータとともに、フロン系冷媒を用いる冷凍サイクルを構成して車両に搭載されるものであって、圧縮機で圧縮された気相冷媒が凝縮部(2)に入り、気相冷媒が凝縮部(2)において冷却されることにより凝縮して気液混相冷媒になり、当該気液混相冷媒が受液器(7)に入り、気液混相冷媒が受液器(7)において気相冷媒と液相冷媒とに分離され、貯留された液相冷媒が過冷却部(3)に入り、液相冷媒が過冷却部(3)において過冷却された後に膨張弁に流出するようになっている。 The condenser (1), together with the compressor, expansion valve (decompressor) and evaporator, constitutes a refrigeration cycle using a freon-based refrigerant and is mounted on the vehicle. The gas-phase refrigerant compressed by the compressor is used. It enters the condensing section (2), and the gas-phase refrigerant is cooled in the condensing section (2) to condense into a gas-liquid mixed-phase refrigerant. The mixed-phase refrigerant is separated into a gas-phase refrigerant and a liquid-phase refrigerant in the receiver (7), the stored liquid-phase refrigerant enters the overcooling section (3), and the liquid-phase refrigerant is excessive in the overcooling section (3). After being cooled, it flows out to the expansion valve.

コンデンサ(1)の熱交換コア部(4)は、幅方向を前後方向（通風方向）に向けるとともに長手方向を左右方向に向け、さらに高さ方向を上下方向に向けた状態で上下方向に間隔をおいて配置され、かつ両端部が両ヘッダタンク(5)(6)に接続された複数のアルミニウム製扁平状熱交換管(11)と、隣り合う熱交換管(11)どうしの間および上下両端の熱交換管(11)の外側に配置されて熱交換管(11)にろう付されたアルミニウム製コルゲートフィン(12)と、上下両端のコルゲートフィン(12)の外側に配置されてコルゲートフィン(12)にろう付されたアルミニウム製サイドプレート(13)とからなる。 The heat exchange core part (4) of the capacitor (1) is spaced vertically with the width direction facing the front-rear direction (ventilation direction), the longitudinal direction facing the left-right direction, and the height direction facing the vertical direction. A plurality of aluminum flat heat exchange tubes (11) arranged at intervals and both ends connected to both header tanks (5) and (6), and between adjacent heat exchange tubes (11) and above and below. Aluminum corrugated fins (12) arranged outside the heat exchange tubes (11) at both ends and brazed to the heat exchange tubes (11), and corrugated fins arranged outside the corrugated fins (12) at both upper and lower ends. It consists of an aluminum side plate (13) brazed to (12).

コンデンサ(1)の凝縮部(2)および過冷却部(3)には、それぞれ上下に連続して並んだ複数の熱交換管(11)により少なくとも１つ、ここでは１つの熱交換パス(P1)(P2)が設けられており、凝縮部(2)に設けられた熱交換パス(P1)が冷媒凝縮パスとなり、過冷却部(3)に設けられた熱交換パス(P2)が冷媒過冷却パスとなっている。そして、各熱交換パス(P1)(P2)を構成する全ての熱交換管(11)の冷媒流れ方向が同一となっているとともに、隣り合う２つの熱交換パスの熱交換管(11)の冷媒流れ方向が異なっている。ここで、凝縮部(2)の熱交換パス(P1)を第１熱交換パスといい、過冷却部(3)の熱交換パス(P2)を第２熱交換パスというものとする。 At least one heat exchange path (P1) in the condensing part (2) and the supercooling part (3) of the condenser (1) by a plurality of heat exchange tubes (11) arranged one above the other in succession. ) (P2) is provided, the heat exchange path (P1) provided in the condensing part (2) becomes the refrigerant condensing path, and the heat exchange path (P2) provided in the overcooling part (3) becomes the refrigerant excess. It is a cooling path. Then, the refrigerant flow directions of all the heat exchange tubes (11) constituting each heat exchange path (P1) (P2) are the same, and the heat exchange tubes (11) of the two adjacent heat exchange paths The refrigerant flow direction is different. Here, the heat exchange path (P1) of the condensing unit (2) is referred to as a first heat exchange path, and the heat exchange path (P2) of the supercooling unit (3) is referred to as a second heat exchange path.

コンデンサ(1)の両ヘッダタンク(5)(6)は、それぞれ上下両端が開口したアルミニウム製筒状タンク本体(14)(15)と、タンク本体(14)(15)の上下両端部に形成されたスリット(14a)(15a)に嵌め入れられてタンク本体(14)(15)にろう付され、かつタンク本体(14)(15)の上下両端開口を閉鎖するアルミニウム製閉鎖部材(16)(17)とよりなる。両ヘッダタンク(5)(6)内は、タンク本体(14)(15)における第１熱交換パス(P1)と第２熱交換パス(P2)との間でかつ下側の同一高さ位置に形成されたスリット(14b)(15b)に嵌め入れられてタンク本体(14)(15)にろう付されたアルミニウム製仕切部材(18)(19)により上下方向に並んだ２つの区画に仕切られており、コンデンサ(1)における両仕切部材(18)(19)よりも上方に位置する部分が凝縮部(2)となり、両仕切部材(18)(19)よりも下方に位置する部分が過冷却部(3)となっている。 Both header tanks (5) and (6) of the condenser (1) are formed on the upper and lower ends of the aluminum tubular tank body (14) (15) with the upper and lower ends open, respectively. Aluminum closing member (16) that is fitted into the slits (14a) (15a) and brazed to the tank body (14) (15) and closes the upper and lower ends of the tank body (14) (15). It consists of (17). Both header tanks (5) and (6) are located at the same height on the lower side between the first heat exchange path (P1) and the second heat exchange path (P2) in the tank bodies (14) and (15). It is divided into two sections arranged in the vertical direction by aluminum partition members (18) (19) that are fitted into the slits (14b) (15b) formed in the above and brazed to the tank bodies (14) (15). The part of the capacitor (1) located above both partition members (18) and (19) becomes the condensing part (2), and the part located below both partition members (18) and (19). It is a supercooled part (3).

右側ヘッダタンク(5)のタンク本体(14)における仕切部材(18)よりも上方の部分に，圧縮機により圧縮された気相冷媒が流入する冷媒入口（図示略）が形成され、同じく仕切部材(18)よりも下方の部分に、液相冷媒が膨張弁に向かって流出する冷媒出口（図示略）が形成されている。そして、右側ヘッダタンク(5)のタンク本体(14)に、冷媒入口に通じるアルミニウム製入口部材(21)と、冷媒出口に通じるアルミニウム製出口部材(22)とが、上下方向に間隔をおいてろう付されている。また、右側ヘッダタンク(5)のタンク本体(14)における入口部材(21)よりも上方の高さ位置、および入口部材(21)と出口部材(22)との間の高さ位置に、それぞれアルミニウム製ヘッダタンク用取付ブラケット(8)がろう付されている。 A refrigerant inlet (not shown) into which the vapor phase refrigerant compressed by the compressor flows is formed in the portion of the right header tank (5) above the partition member (18) in the tank body (14), and the partition member is also formed. A refrigerant outlet (not shown) through which the liquid phase refrigerant flows toward the expansion valve is formed in a portion below (18). Then, in the tank body (14) of the right header tank (5), an aluminum inlet member (21) leading to the refrigerant inlet and an aluminum outlet member (22) leading to the refrigerant outlet are spaced vertically apart from each other. It is brazed. Further, at the height position above the inlet member (21) in the tank body (14) of the right header tank (5), and at the height position between the inlet member (21) and the outlet member (22), respectively. The aluminum header tank mounting bracket (8) is brazed.

左側ヘッダタンク(6)のタンク本体(15)における仕切部材(19)よりも上方の部分および下方の部分と受液器(7)との間には、それぞれ両者を通じさせるアルミニウム製上下連通部材(23)(24)が配置されている。また、左側ヘッダタンク(6)のタンク本体(15)の上部と受液器(7)との間にはアルミニウム製固定部材(25)が配置されている。 Aluminum upper and lower communication members (7) between the receiver (7) and the parts above and below the partition member (19) in the tank body (15) of the left header tank (6). 23) (24) is arranged. Further, an aluminum fixing member (25) is arranged between the upper part of the tank body (15) of the left header tank (6) and the liquid receiver (7).

そして、右側ヘッダタンク(5)における仕切部材(18)よりも上方の区画が凝縮部入口ヘッダ(26)となっているとともに、左側ヘッダタンク(6)における仕切部材(19)よりも上方の区画が凝縮部出口ヘッダ(27)となり、左側ヘッダタンク(6)における仕切部材(19)よりも下方の区画が過冷却部入口ヘッダ(28)となっているとともに、右側ヘッダタンク(5)における仕切部材(18)よりも下方の区画が過冷却部出口ヘッダ(29)となっている。凝縮部入口ヘッダ(26)が入口部材(21)を通して冷媒がコンデンサ(1)に流入する冷媒入口ヘッダであり、過冷却部出口ヘッダ(29)が出口部材(22)を通して冷媒がコンデンサ(1)から流出する冷媒出口ヘッダである。 The section above the partition member (18) in the right header tank (5) is the condensing part inlet header (26), and the section above the partition member (19) in the left header tank (6). Is the condensing part outlet header (27), the section below the partition member (19) in the left side header tank (6) is the supercooled part inlet header (28), and the partition in the right side header tank (5). The section below the member (18) is the supercooled part outlet header (29). The condensing part inlet header (26) is the refrigerant inlet header through which the refrigerant flows into the condenser (1) through the inlet member (21), and the overcooling part outlet header (29) is the refrigerant flowing through the outlet member (22) to the condenser (1). It is a refrigerant outlet header that flows out from.

図２および図３に示すように、右側ヘッダタンク(5)のタンク本体(14)は、芯材および芯材の両面を覆うろう材製皮材からなるアルミニウムブレージングシートからなる金属素板(31)が筒状に成形されるとともに両側縁部どうしが左右方向外側部分で突き合わされた状態でろう付されることにより形成されている。右側ヘッダタンク(5)のタンク本体(14)における互いにろう付された両側縁部のうちのいずれか一方に、外方、ここでは右方に突出した突出壁(32)が一体に設けられている。両ヘッダタンク用取付ブラケット(8)、入口部材(21)および出口部材(22)は、これらの一部に設けられた被把持部(8a)(21a)が、それぞれ突出壁(32)が部分的に変形させられることにより設けられた把持爪(33)により把持された状態でタンク本体(14)にろう付されている。なお、出口部材(22)については、被把持部および把持爪の図示は省略する。 As shown in FIGS. 2 and 3, the tank body (14) of the right header tank (5) is a metal base plate (31) made of a core material and an aluminum brazing sheet made of a brazing material covering both sides of the core material. ) Is formed into a tubular shape, and the edges on both sides are brazed in a state of being butted at the outer portions in the left-right direction. A protruding wall (32) protruding outward, here to the right, is integrally provided on one of the brazed side edges of the tank body (14) of the right header tank (5). There is. The mounting brackets (8) for both header tanks, the inlet member (21), and the outlet member (22) have the gripped portions (8a) and (21a) provided in a part of them, and the protruding walls (32) are respectively. It is brazed to the tank body (14) in a state of being gripped by a gripping claw (33) provided by being deformed. Regarding the outlet member (22), the figure of the gripped portion and the gripping claw is omitted.

図２に示すように、両ヘッダタンク用取付ブラケット(8)は、右側ヘッダタンク(5)のタンク本体(14)の外周面の一部に沿う部分筒状面(34a)を有するベース部(34)と、ベース部(34)に連なってタンク本体(14)から離れる方向、ここでは右方に突出するように設けられた平板状の取付部(35)とを備えており、取付部(35)におけるベース部(34)寄りの部分に被把持部(8a)が設けられている。図３に示すように、入口部材(21)は、右側ヘッダタンク(5)のタンク本体(14)の外周面の一部に沿う部分筒状面（図示略）を有しかつ冷媒流路(36a)が形成された本体部(36)を備えており、本体部(36)にタンク本体(14)から離れる方向、ここでは右方に突出した被把持部(21a)が設けられている。図示は省略したが、出口部材(22)は、入口部材(21)と同様な形状であり、右側ヘッダタンク(5)のタンク本体(14)の外周面の一部に沿う部分筒状面を有しかつ冷媒流路が形成された本体部を備えており、本体部にタンク本体(14)から離れる方向、ここでは右方に突出した被把持部が設けられている。 As shown in FIG. 2, the mounting brackets (8) for both header tanks have a base portion (34a) having a partial tubular surface (34a) along a part of the outer peripheral surface of the tank body (14) of the right header tank (5). It is provided with a flat plate-shaped mounting portion (35) that is connected to the base portion (34) and is provided so as to project away from the tank body (14), here to the right. A gripped portion (8a) is provided at a portion closer to the base portion (34) in 35). As shown in FIG. 3, the inlet member (21) has a partially tubular surface (not shown) along a part of the outer peripheral surface of the tank body (14) of the right header tank (5) and has a refrigerant flow path (not shown). The main body portion (36) in which the 36a) is formed is provided, and the main body portion (36) is provided with a gripped portion (21a) protruding to the right in the direction away from the tank main body (14). Although not shown, the outlet member (22) has the same shape as the inlet member (21), and has a partially tubular surface along a part of the outer peripheral surface of the tank body (14) of the right header tank (5). The main body is provided with a main body having a refrigerant flow path, and the main body is provided with a gripped portion protruding to the right in the direction away from the tank main body (14).

また、図１〜図３に示すように、右側ヘッダタンク(5)のタンク本体(14)の突出壁(32)に、上下方向（突出壁(32)の長手方向）に間隔をおいて突出壁(32)の突出端から基端側に延びる２つの方形状の切り欠き(37)が形成されることにより設けられた切り欠き対(38)が、上下方向に間隔をおいて４対設けられている。全切り欠き対(38)において、各方形切り欠き(37)における突出壁(32)の長手方向の両側縁部のうち他方の切り欠き(37)側の側縁部、すなわち上側の切り欠き(37)においては下側縁部、下側の切り欠き(37)においては上側縁部に把持爪(33)が設けられている。上側のヘッダタンク用取付ブラケット(8)は、被把持部(8a)が上端の切り欠き対(38)の両切り欠き(37)間に配置されるとともに被把持部(8a)が両把持爪(33)により把持された状態でベース部(34)がタンク本体(14)にろう付され、下側のヘッダタンク用取付ブラケット(8)は、被把持部(8a)が上から３番目の切り欠き対(38)の両切り欠き(37)間に配置されるとともに被把持部(8a)が両把持爪(33)により把持された状態でベース部(34)がタンク本体(14)にろう付されている。また、入口部材(21)は、被把持部(21a)が上から２番目の切り欠き対(38)の両切り欠き(37)間に配置されるとともに被把持部(21a)が両把持爪(33)により把持された状態で本体部(36)がタンク本体(14)にろう付され、出口部材(22)は、被把持部が下端の切り欠き対(38)の両切り欠き(37)間に配置されるとともに被把持部が両把持爪(33)により把持された状態で本体部がタンク本体(14)にろう付されている。 Further, as shown in FIGS. 1 to 3, the right header tank (5) protrudes from the protruding wall (32) of the tank body (14) in the vertical direction (longitudinal direction of the protruding wall (32)) at intervals. Four pairs of notches (38) provided by forming two square notches (37) extending from the protruding end of the wall (32) to the base end side are provided at intervals in the vertical direction. Has been done. In the total notch pair (38), the side edge on the other notch (37) side of the longitudinal side edges of the protruding wall (32) in each square notch (37), that is, the upper notch ( In 37), a gripping claw (33) is provided on the lower edge, and in the lower notch (37), a gripping claw (33) is provided on the upper edge. In the upper header tank mounting bracket (8), the gripped portion (8a) is arranged between the two notches (37) of the upper end notch pair (38), and the gripped portion (8a) is both gripped claws (8a). The base portion (34) is brazed to the tank body (14) while being gripped by 33), and the lower header tank mounting bracket (8) is cut so that the gripped portion (8a) is the third from the top. The base portion (34) is brazed to the tank body (14) while being placed between the two notches (37) of the notch pair (38) and the gripped portion (8a) is gripped by both gripping claws (33). Has been done. Further, in the inlet member (21), the gripped portion (21a) is arranged between the two notches (37) of the second notch pair (38) from the top, and the gripped portion (21a) is both gripped claws (21a). The main body (36) is brazed to the tank main body (14) while being gripped by 33), and the outlet member (22) is between the notches (37) of the lower end notch pair (38). The main body is brazed to the tank main body (14) in a state where the gripped portion is gripped by both gripping claws (33).

図１および図４に示すように、左側ヘッダタンク(6)のタンク本体(15)は、右側ヘッダタンク(5)のタンク本体(14)の突出壁(32)の不要部分を取り除いたものであり、芯材および芯材の両面を覆うろう材製皮材からなるアルミニウムブレージングシートからなる金属素板(31)が筒状に成形されるとともに両側縁部どうしが左右方向外側部分で突き合わされた状態でろう付されることにより形成されている。 As shown in FIGS. 1 and 4, the tank body (15) of the left header tank (6) is obtained by removing unnecessary parts of the protruding wall (32) of the tank body (14) of the right header tank (5). A metal base plate (31) made of an aluminum brazing sheet made of a brazing material covering both sides of the core material and the core material was formed into a tubular shape, and both side edges were abutted at the outer part in the left-right direction. It is formed by brazing in the state.

受液器(7)は、上下両端が開口したアルミニウム製筒状受液器本体(41)と、受液器本体(41)の下端部に形成されたスリット(41a)に嵌め入れられて受液器本体(41)にろう付され、かつ受液器本体(41)の下端開口を閉鎖するアルミニウム製下閉鎖部材(42)と、受液器本体(41)の上端部に着脱自在に取り付けられ、かつ受液器本体(41)の上端開口を閉鎖する上閉鎖部材(43)とよりなる。また、受液器(7)の受液器本体(41)の上下両端部に、それぞれアルミニウム製受液器用取付ブラケット(9)がろう付されている。 The receiver (7) is fitted into an aluminum tubular receiver body (41) having both upper and lower ends open and a slit (41a) formed at the lower end of the receiver body (41) to receive the receiver. An aluminum lower closing member (42) that is brazed to the liquid receiver body (41) and closes the lower end opening of the liquid receiver body (41), and is detachably attached to the upper end of the liquid receiver body (41). It is composed of an upper closing member (43) that closes the upper end opening of the receiver body (41). In addition, aluminum receiver mounting brackets (9) are brazed to the upper and lower ends of the receiver body (41) of the receiver (7), respectively.

受液器(7)は、上下両連通部材(23)(24)および固定部材(25)が、左側ヘッダタンク(6)のタンク本体(15)および受液器本体(41)にろう付されることによって左側ヘッダタンク(6)に固定されている。図示は省略したが、受液器(7)内に、通気性および通液性を有するとともに乾燥剤が収容され、かつ長手方向が上下方向を向いた乾燥剤バッグが配置されている。 In the receiver (7), the upper and lower communication members (23) (24) and the fixing member (25) are brazed to the tank body (15) and the receiver body (41) of the left header tank (6). It is fixed to the left header tank (6). Although not shown, a desiccant bag having air permeability and liquid permeability, containing a desiccant, and having a longitudinal direction facing up and down is arranged in the receiver (7).

図４に示すように、受液器(7)の受液器本体(41)は、芯材および芯材の両面を覆うろう材製皮材からなるアルミニウムブレージングシートからなる金属素板(44)が筒状に成形されるとともに両側縁部どうしが左右方向外側部分で突き合わされた状態でろう付されることにより形成されている。受液器本体(41)における互いにろう付された両側縁部のうちのいずれか一方に、外方、ここでは左方に突出した突出壁(45)が一体に設けられている。両受液器用取付ブラケット(9)は、これらの一部に設けられた被把持部(9a)が、それぞれ突出壁(45)が部分的に変形させられることにより設けられた把持爪(46)により把持された状態で受液器本体(41)にろう付されている。 As shown in FIG. 4, the receiver body (41) of the receiver (7) is a metal base plate (44) made of a core material and an aluminum brazing sheet made of a brazing material covering both sides of the core material. Is formed into a tubular shape and is brazed so that the edges on both sides are abutted at the outer portions in the left-right direction. A protruding wall (45) protruding outward, here to the left, is integrally provided on one of the brazed side edges of the receiver body (41). The mounting brackets (9) for both receivers have gripping claws (46) provided by partially deforming the protruding walls (45) of the gripped portions (9a) provided on a part of them. It is brazed to the receiver body (41) in a state of being gripped by.

すなわち、両受液器用取付ブラケット(9)は、受液器(7)の受液器本体(41)の外周面の一部に沿う部分筒状面(47a)を有するベース部(47)と、ベース部(47)に連なって受液器本体(41)から離れる方向、ここでは左方に突出するように設けられた平板状の取付部(48)とを備えており、取付部(48)におけるベース部(47)寄りの部分に被把持部(9a)が設けられている。 That is, the mounting brackets (9) for both receivers have a base portion (47) having a partial tubular surface (47a) along a part of the outer peripheral surface of the receiver body (41) of the receiver (7). , It is provided with a flat plate-shaped mounting portion (48) that is connected to the base portion (47) and is provided so as to protrude to the left in the direction away from the receiver main body (41), and is provided with a mounting portion (48). ), A gripped portion (9a) is provided in a portion closer to the base portion (47).

一方、受液器本体(41)の突出壁(45)に、上下方向（突出壁(45)の長手方向）に間隔をおいて突出壁(45)の突出端から基端側に延びる２つの方形状の切り欠き(49)が形成されることにより設けられた切り欠き対(51)が、上下方向に間隔をおいて２対設けられている。両切り欠き対(51)において、各方形切り欠き(49)における突出壁(45)の長手方向の両側縁部のうち他方の切り欠き(49)側の側縁部、すなわち上側の切り欠き(49)においては下側縁部、下側の切り欠き(49)においては上側縁部に把持爪(46)が設けられている。そして、上側の受液器用取付ブラケット(9)は、被把持部(9a)が上側の切り欠き対(51)の両切り欠き(49)間に配置されるとともに被把持部(9a)が両把持爪(46)により把持された状態でベース部(47)が受液器本体(41)にろう付され、下側の受液器用取付ブラケット(9)は、被把持部(9a)が下側の切り欠き対(51)の両切り欠き(49)間に配置されるとともに被把持部(9a)が両把持爪(46)により把持された状態でベース部(47)が受液器本体(41)にろう付されている。 On the other hand, on the protruding wall (45) of the receiver main body (41), two extending from the protruding end of the protruding wall (45) to the base end side at intervals in the vertical direction (longitudinal direction of the protruding wall (45)). Two pairs of notches (51) provided by forming a square notch (49) are provided at intervals in the vertical direction. In both notch pairs (51), the side edge of each notch (49) on both sides of the projecting wall (45) in the longitudinal direction on the other notch (49) side, that is, the upper notch (49). ), A gripping claw (46) is provided on the lower edge, and in the lower notch (49), a gripping claw (46) is provided on the upper edge. Then, in the upper liquid receiver mounting bracket (9), the gripped portion (9a) is arranged between the two notches (49) of the upper notch pair (51), and the gripped portion (9a) grips both. The base portion (47) is brazed to the receiver body (41) while being gripped by the claws (46), and the lower receiver mounting bracket (9) has the gripped portion (9a) on the lower side. The base portion (47) is the receiver body (41) while being arranged between the two notches (49) of the notch pair (51) and the gripped portion (9a) being gripped by both gripping claws (46). ) Is brazed.

上述したコンデンサ(1)において、圧縮機により圧縮された高温高圧の気相冷媒が、入口部材(21)から冷媒入口を通って凝縮部入口ヘッダ(26)内に入り、第１熱交換パス(P1)の熱交換管(11)内に流入する。第１熱交換パス(P1)の熱交換管(11)内に流入した冷媒は、第１熱交換パス(P1)の熱交換管(11)内を左方に流れて凝縮部出口ヘッダ(27)内に流入する。凝縮部出口ヘッダ(27)内に流入した冷媒は、上連通部材(23)を通って受液器(7)内に流入する。 In the above-mentioned capacitor (1), the high-temperature and high-pressure vapor-phase refrigerant compressed by the compressor enters the condensing portion inlet header (26) from the inlet member (21) through the refrigerant inlet, and enters the first heat exchange path (1). It flows into the heat exchange tube (11) of P1). The refrigerant that has flowed into the heat exchange pipe (11) of the first heat exchange path (P1) flows to the left in the heat exchange pipe (11) of the first heat exchange path (P1) and flows to the left in the condensing part outlet header (27). ) Inflow. The refrigerant that has flowed into the condensing portion outlet header (27) flows into the liquid receiver (7) through the upper communication member (23).

受液器(7)内に流入した冷媒は気液混相冷媒であり、重力により気相冷媒と液相冷媒とに分離され、液相冷媒が下、気相冷媒が上に溜まる。受液器(7)内に溜まった液相冷媒は、下連通部材(24)を通って過冷却部入口ヘッダ(28)内に入る。過冷却部入口ヘッダ(28)内に入った冷媒は第２熱交換パス(P2)の熱交換管(11)内に入り、第２熱交換パス(P2)の熱交換管(11)内を右方に流れる間に過冷却された後、過冷却部出口ヘッダ(29)内に入り、冷媒出口を通って出口部材(22)から流出し、膨張弁を経てエバポレータに送られる。 The refrigerant that has flowed into the receiver (7) is a gas-liquid mixed-phase refrigerant, which is separated into a gas-phase refrigerant and a liquid-phase refrigerant by gravity, and the liquid-phase refrigerant is on the bottom and the gas-phase refrigerant is on the top. The liquid phase refrigerant accumulated in the receiver (7) enters the supercooling unit inlet header (28) through the lower communication member (24). The refrigerant that has entered the supercooling section inlet header (28) enters the heat exchange tube (11) of the second heat exchange path (P2), and enters the heat exchange tube (11) of the second heat exchange path (P2). After being overcooled while flowing to the right, it enters the overcooling section outlet header (29), flows out from the outlet member (22) through the refrigerant outlet, and is sent to the evaporator via the expansion valve.

以下、上述したコンデンサ(1)を製造する方法について、図５を参照して説明する。 Hereinafter, the method for manufacturing the above-mentioned capacitor (1) will be described with reference to FIG.

まず、芯材および芯材の両面を覆うろう材製皮材で形成されたアルミニウムブレージングシートからなり、かつ両ヘッダタンク(5)(6)のタンク本体(14)(15)を形成するヘッダタンク用金属素板(31)および受液器(7)の受液器本体(41)を形成する金属素板(44)を用意する。両ヘッダタンク(5)のタンク本体(14)(15)を形成する金属素板(31)は、タンク本体形成部(31a)、およびタンク本体形成部(31a)の一側縁に連なってタンク本体形成部(31a)の全長にわたって設けられるとともに一定幅を有する帯状の突出壁形成部(31b)を有している（図５(a)参照）。なお、左側ヘッダタンク(6)のタンク本体(15)を形成する金属素板(31)の突出壁形成部(31b)における不要部分は切除しておく。また、図示は省略したが、受液器(7)の受液器本体(41)を形成する金属素板(44)は、金属素板(31)と同様に、受液器本体形成部、および受液器本体形成部の一側縁に連なって受液器本体形成部の全長にわたって設けられるとともに一定幅を有する帯状の突出壁形成部を有している。 First, a header tank composed of an aluminum brazing sheet formed of a core material and a brazing material covering both sides of the core material, and forming the tank bodies (14) (15) of both header tanks (5) and (6). Prepare the metal base plate (31) for forming the metal base plate (31) and the metal base plate (44) forming the receiver body (41) of the receiver (7). The metal base plate (31) forming the tank bodies (14) and (15) of both header tanks (5) is connected to one side edge of the tank body forming portion (31a) and the tank body forming portion (31a). It is provided over the entire length of the main body forming portion (31a) and has a strip-shaped protruding wall forming portion (31b) having a constant width (see FIG. 5 (a)). The unnecessary portion of the protruding wall forming portion (31b) of the metal base plate (31) forming the tank body (15) of the left header tank (6) is cut off. Although not shown, the metal base plate (44) forming the receiver body (41) of the receiver (7) is the same as the metal base plate (31). In addition, it has a strip-shaped protruding wall forming portion having a constant width as well as being provided over the entire length of the receiving receiver main body forming portion so as to be connected to one side edge of the receiving receiver main body forming portion.

また、ヘッダタンク用取付ブラケット(8)、受液器用取付ブラケット(9)、熱交換管(11)、コルゲートフィン(12)、サイドプレート(13)、両ヘッダタンク(5)(6)の閉鎖部材(16)(17)、仕切部材(18)(19)、入口部材(21)、出口部材(22)、上連通部材(23)、下連通部材(24)、固定部材(25)、受液器(7)の下閉鎖部材(42)、および受液器(7)の上閉鎖部材(43)を用意する。 Also, the header tank mounting bracket (8), receiver mounting bracket (9), heat exchange pipe (11), corrugated fin (12), side plate (13), and both header tanks (5) (6) are closed. Member (16) (17), partition member (18) (19), inlet member (21), outlet member (22), upper communication member (23), lower communication member (24), fixing member (25), receiver Prepare the lower closing member (42) of the liquid container (7) and the upper closing member (43) of the liquid receiver (7).

ついで、右側ヘッダタンク(5)のタンク本体(14)を形成する金属素板(31)の突出壁形成部(31b)に、突出壁形成部(31b)の先端から基端側に延びる第１直線部(65a)と、第１直線部(65a)の先端に連なって突出壁形成部(31b)の長手方向に延びる第２直線部(65b)とからなるＬ形の２つのスリット(65)を、第２直線部(65b)の先端どうしが対向して反対方向を向くように突出壁形成部(31b)の長手方向に間隔をおいて形成することによって、２つのスリット(65)からなるスリット対(66)を上下方向に間隔をおいて４対設ける工程Ａ、金属素板(31)のタンク本体形成部(31a)を筒状に成形するとともに、突出壁形成部(31b)をタンク本体用筒状体(67)の外側に曲げる工程Ｂ、ならびにヘッダタンク用取付ブラケット(8)、入口部材(21)および出口部材(22)の被把持部(8a)(21a)(22a)をスリット対(66)の両スリット(65)間に配置した後、両スリット(65)における両直線部(65a)(65b)に挟まれた部分を曲げて被把持部(8a)(21a)(22a)を把持する把持爪(33)を形成することによりヘッダタンク用取付ブラケット(8)、入口部材(21)および出口部材(22)を突出壁形成部(31b)に仮止めする工程Ｃを順不同で実施することによって、タンク本体用筒状体(67)の互いに突き合わされた両側縁部のうちのいずれか一方に外方に突出した突出壁(32)が一体に設けられ、被把持部(8a)(21a)(22a)が突出壁(32)に設けられた把持爪(33)により把持されてヘッダタンク用取付ブラケット(8)、入口部材(21)および出口部材(22)がタンク本体用筒状体(67)に仮止めされている組み合わせ体を得る。この組み合わせ体において、タンク本体用筒状体(67)には、閉鎖部材(16)を嵌め入れるスリット(14a)や、仕切部材(18)を嵌め入れるスリット(14b)や、熱交換管(11)を挿入する複数の挿入穴(68)が形成されている。なお、図５(c)は、入口部材(21)および出口部材(22)が仮止めされる前のタンク本体用筒状体(67)を示す。 Next, a first extending from the tip of the protruding wall forming portion (31b) to the base end side on the protruding wall forming portion (31b) of the metal base plate (31) forming the tank body (14) of the right header tank (5). Two L-shaped slits (65) consisting of a straight portion (65a) and a second straight portion (65b) extending in the longitudinal direction of the protruding wall forming portion (31b) connected to the tip of the first straight portion (65a). Is composed of two slits (65) by forming the protrusion wall forming portion (31b) at intervals in the longitudinal direction so that the tips of the second straight portion (65b) face each other and face in opposite directions. Step A in which four pairs of slits (66) are provided at intervals in the vertical direction, the tank body forming portion (31a) of the metal base plate (31) is formed into a tubular shape, and the protruding wall forming portion (31b) is formed into a tank. Step B of bending the tubular body (67) to the outside, and the gripped portions (8a) (21a) (22a) of the header tank mounting bracket (8), inlet member (21) and outlet member (22). After arranging between the slits (65) of the slit pair (66), the portion of both slits (65) sandwiched between the straight portions (65a) and (65b) is bent to grip the gripped portions (8a) (21a) ( Step C of temporarily fixing the header tank mounting bracket (8), inlet member (21) and outlet member (22) to the protruding wall forming portion (31b) by forming a gripping claw (33) for gripping 22a). By carrying out in no particular order, a protruding wall (32) projecting outward is integrally provided on one of the both side edges of the tank body tubular body (67) butted against each other, and the gripped portion. (8a) (21a) (22a) are gripped by the gripping claws (33) provided on the protruding wall (32), and the header tank mounting bracket (8), inlet member (21) and outlet member (22) are tanks. Obtain a combination that is temporarily fixed to the main body tubular body (67). In this combination, the tubular body (67) for the tank body has a slit (14a) for fitting the closing member (16), a slit (14b) for fitting the partition member (18), and a heat exchange tube (11). ) Are inserted, and a plurality of insertion holes (68) are formed. Note that FIG. 5C shows a tubular body (67) for the tank body before the inlet member (21) and the outlet member (22) are temporarily fixed.

図５に示す例では、上記工程Ｂの前に、金属素板(31)が、図５(b)に示すようにＵ字状に曲げられるとともに、突出壁形成部(31b)がＵ字状金属素板(31)の外側に曲げられる段階があり、この段階において、金属素板(31)に、閉鎖部材(16)を嵌め入れるスリット(14a)や、仕切部材(18)を嵌め入れるスリット(14b)や、熱交換管(11)を挿入する挿入穴(68)が形成されている。 In the example shown in FIG. 5, before the step B, the metal base plate (31) is bent into a U shape as shown in FIG. 5 (b), and the protruding wall forming portion (31b) is U-shaped. There is a stage where the metal base plate (31) is bent to the outside, and at this stage, a slit (14a) for fitting the closing member (16) and a slit for fitting the partition member (18) into the metal base plate (31). (14b) and an insertion hole (68) for inserting the heat exchange tube (11) are formed.

また、上述したのと同様の方法で、左側ヘッダタンク(6)用の金属素板(31)を用いて、閉鎖部材(17)を嵌め入れるスリット(15a)や、仕切部材(19)を嵌め入れるスリット(15b)や、熱交換管(11)を挿入する挿入穴が形成されたタンク本体用筒状体を得る。 Further, in the same manner as described above, the slit (15a) into which the closing member (17) is inserted and the partition member (19) are fitted using the metal base plate (31) for the left header tank (6). Obtain a tubular body for the tank body, which has a slit (15b) for insertion and an insertion hole for inserting the heat exchange tube (11).

さらに、図示は省略したが、受液器(7)の受液器本体(41)を形成する金属素板(44)の突出壁形成部に、突出壁形成部の先端から基端側に延びる第１直線部と、第１直線部の先端に連なって突出壁形成部の長手方向に延びる第２直線部とからなるＬ形の２つのスリットを、第２直線部の先端どうしが対向して反対方向を向くように突出壁形成部の長手方向に間隔をおいて形成することによって、２つのスリットからなるスリット対を上下方向に間隔をおいて２対設ける工程Ｄ、金属素板(44)の受液器本体形成部を筒状に成形することにより受液器本体形成部の両側縁部どうしを突き合わせて受液器本体用筒状体を得るとともに、突出壁形成部を受液器本体用筒状体の外側に曲げる工程Ｅ、ならびに受液器用取付ブラケット(9)の被把持部(9a)をスリット対の両スリット間に配置した後、突出壁形成部に形成されたスリット対の両スリットにおける両直線部に挟まれた部分を曲げて受液器用取付ブラケット(9)の被把持部(9a)を把持する把持爪(46)を設けることにより受液器用取付ブラケット(9)を突出壁形成部に仮止めする工程Ｆを順不同で実施することによって、受液器本体用筒状体の互いに突き合わされた両側縁部のうちのいずれか一方に外方に突出した突出壁(45)が一体に設けられ、受液器用取付ブラケット(9)の一部の被把持部(9a)が突出壁(45)に設けられた把持爪(46)により把持されて受液器用取付ブラケット(9)が受液器本体用筒状体に仮止めされている受液器用組み合わせ体を得る。この組み合わせ体において、受液器本体用筒状体には、下閉鎖部材(42)を嵌め入れるスリット(41a)が形成されている。 Further, although not shown, the protruding wall forming portion of the metal base plate (44) forming the receiving receiver main body (41) of the receiving receiver (7) extends from the tip of the protruding wall forming portion to the proximal end side. The tips of the second straight portions face each other through two L-shaped slits consisting of a first straight portion and a second straight portion that is connected to the tip of the first straight portion and extends in the longitudinal direction of the protruding wall forming portion. Step D, in which two pairs of slits consisting of two slits are provided at intervals in the vertical direction by forming the protruding wall forming portions at intervals in the longitudinal direction so as to face in opposite directions, metal base plate (44). By forming the receiver body forming portion into a tubular shape, both side edges of the receiving receiver body forming portion are butted against each other to obtain a tubular body for the receiving receiver body, and the protruding wall forming portion is formed on the receiving receiver main body. After the step E of bending the tubular body to the outside and the gripped portion (9a) of the receiver mounting bracket (9) are arranged between both slits of the slit pair, the slit pair formed in the protruding wall forming portion. The receiver mounting bracket (9) is provided by bending the portion of both slits sandwiched between the straight portions to provide a gripping claw (46) for gripping the gripped portion (9a) of the receiver mounting bracket (9). By performing step F temporarily fixing to the projecting wall forming portion in no particular order, the projecting wall (45) projecting outward to one of the both abutting edges of the tubular body for the receiver body. ) Is integrally provided, and a part of the gripped portion (9a) of the receiver mounting bracket (9) is gripped by the gripping claw (46) provided on the protruding wall (45) to grip the receiver mounting bracket (9a). Obtain a receiver combination body in which 9) is temporarily fixed to the receiver body tubular body. In this combination, the tubular body for the receiver body is formed with a slit (41a) into which the lower closing member (42) is fitted.

ついで、両ヘッダタンク用組み合わせ体を間隔をおいて配置するとともに、両ヘッダタンク用組み合わせ体間に熱交換管(11)、コルゲートフィン(12)およびサイドプレート(13)を配置し、熱交換管(11)の両端部を両組み合わせ体のタンク用筒状体(67)の挿入穴(68)内に挿入する。また、右側ヘッダタンク(5)のタンク本体用筒状体(67)のスリット(14a)(14b)に閉鎖部材(16)および仕切部材(18)を挿入し、左側ヘッダタンク(6)のタンク本体用筒状体のスリット(15a)(15b)に閉鎖部材(17)および仕切部材(19)を挿入する。 Next, the combinations for both header tanks are arranged at intervals, and the heat exchange pipes (11), corrugated fins (12) and side plates (13) are arranged between the combinations for both header tanks, and the heat exchange pipes are arranged. Insert both ends of (11) into the insertion holes (68) of the tank tubular body (67) of both combinations. Further, the closing member (16) and the partition member (18) are inserted into the slits (14a) and (14b) of the tubular body (67) for the tank body of the right header tank (5), and the tank of the left header tank (6). Insert the closing member (17) and the partition member (19) into the slits (15a) and (15b) of the tubular body for the main body.

さらに、受液器用組み合わせ体を、左側ヘッダタンク用組み合わせ体の左側に配置し、受液器本体用筒状体のスリット(41a)に下閉鎖部材(42)を挿入するとともに、左側ヘッダタンク用組み合わせ体のタンク本体用筒状体と受液器本体用筒状体との間に上下両連通部材(23)(24)および固定部材(25)を配置する。 Further, the combination for the receiver is arranged on the left side of the combination for the left header tank, the lower closing member (42) is inserted into the slit (41a) of the tubular body for the receiver body, and the left header tank is used. The upper and lower communicating members (23) (24) and the fixing member (25) are arranged between the tubular body for the tank body and the tubular body for the receiver body of the combination.

その後、上述した全部品を炉中において所定の温度に一括して加熱することにより、タンク本体用筒状体(67)の側縁部どうしをろう付してタンク本体(14)(15)をつくるとともに、閉鎖部材(16)(17)および仕切部材(18)(19)とタンク本体(14)(15)をろう付してヘッダタンク(5)(6)をつくる。これと同時に、ヘッダタンク用取付ブラケット(8)とタンク本体(14)(15)、入口部材(21)とタンク本体(14)、出口部材(22)とタンク本体(14)、熱交換管(11)とタンク本体(14)(15)、熱交換管(11)とコルゲートフィン(12)、およびコルゲートフィン(12)とサイドプレート(13)とを一括してろう付することにより、熱交換コア部(4)と両ヘッダタンク(5)(6)とを形成する。 After that, by collectively heating all the above-mentioned parts to a predetermined temperature in the furnace, the side edges of the tank body tubular body (67) are brazed to each other to braze the tank body (14) (15). At the same time, the closing members (16) (17), the partition members (18) (19) and the tank bodies (14) (15) are brazed to make the header tanks (5) (6). At the same time, the header tank mounting bracket (8) and tank body (14) (15), inlet member (21) and tank body (14), outlet member (22) and tank body (14), heat exchange pipe ( Heat exchange by brazing the tank body (14) (15), heat exchange pipe (11) and corrugated fin (12), and corrugated fin (12) and side plate (13) together. The core portion (4) and both header tanks (5) and (6) are formed.

また、これと同時に、受液器本体用筒状体の側縁部どうしをろう付して受液器本体(41)をつくるとともに、受液器用取付ブラケット(9)と受液器本体(41)、および下閉鎖部材(42)と受液器本体(41)を一括してろう付することにより、受液器(7)をつくり、タンク本体(15)および受液器本体(41)と上下連通部材(23)(24)および固定部材(25)を一括してろう付することにより、受液器(7)を左側ヘッダタンク(6)に固定する。最後に、受液器本体(41)の上端部に上閉鎖部材(43)を取り付ける。 At the same time, the side edges of the tubular body for the receiver body are brazed to form the receiver body (41), and the receiver mounting bracket (9) and the receiver body (41) are formed. ), And the lower closing member (42) and the receiver body (41) are brazed together to make the receiver (7), and the tank body (15) and the receiver body (41) The liquid receiver (7) is fixed to the left header tank (6) by brazing the upper and lower communicating members (23) (24) and the fixing member (25) together. Finally, the upper closing member (43) is attached to the upper end of the receiver body (41).

こうして、コンデンサ(1)が製造される。 In this way, the capacitor (1) is manufactured.

上記実施形態においては、コンデンサ(1)は受液器(7)を備えており、受液器(7)に受液器用取付ブラケット(9)が固定されているが、この発明による熱交換器は受液器(7)を備えていないコンデンサにも適用可能である。この場合、左側ヘッダタンクにヘッダタンク用取付ブラケットが固定される。 In the above embodiment, the condenser (1) includes the receiver (7), and the receiver mounting bracket (9) is fixed to the receiver (7). However, the heat exchanger according to the present invention. Is also applicable to capacitors that do not have a receiver (7). In this case, the header tank mounting bracket is fixed to the left header tank.

上記実施形態においては、この発明による熱交換器が車両用空調装置のコンデンサ(1)に適用されているが、これに限定されるものではなく、他の用途の熱交換器にも適用可能である。 In the above embodiment, the heat exchanger according to the present invention is applied to the condenser (1) of the vehicle air conditioner, but the present invention is not limited to this, and the heat exchanger can be applied to heat exchangers for other purposes. is there.

この発明による熱交換器は、車両用空調装置のコンデンサとして好適に用いられる。 The heat exchanger according to the present invention is suitably used as a condenser of a vehicle air conditioner.

(1)：コンデンサ（熱交換器）
(2)：凝縮部
(3)：過冷却部
(5)(6)：ヘッダタンク
(7)：受液器
(8)：ヘッダタンク用取付ブラケット（付属部品）
(8a)：被把持部
(9)：受液器用取付ブラケット（付属部品）
(9a)：被把持部
(11)：熱交換管
(12)：コルゲートフィン
(21)：入口部材（付属部品）
(21a)：被把持部
(22)：出口部材（付属部品）
(22a)：被把持部
(26)：凝縮部入口ヘッダ（入口ヘッダ）
(27)：凝縮部出口ヘッダ
(28)：過冷却部入口ヘッダ
(29)：過冷却部出口ヘッダ（出口ヘッダ）
(31)：金属素板
(31a)：タンク本体形成部
(31b)：突出壁形成部
(32)：突出壁
(33)：把持爪
(34)：ベース部
(34a)：部分筒状面
(35)：取付部
(36)：本体部
(36a)：冷媒流路
(37)：切り欠き
(38)：切り欠き対
(41)：受液器本体
(42)：下閉鎖部材
(43)：上閉鎖部材
(44)：金属素板
(45)：突出壁
(46)：把持爪
(47)：ベース部
(47a)：部分筒状面
(48)：取付部
(49)：切り欠き
(51)：切り欠き対
(65)：スリット
(65a)：第１直線部
(65b)：第２直線部
(66)：スリット対
(67)：タンク本体用筒状体
(1): Capacitor (heat exchanger)
(2): Condensation part
(3): Supercooled part
(5) (6): Header tank
(7): Receiver
(8): Mounting bracket for header tank (accessory)
(8a): Grasped portion
(9): Mounting bracket for receiver (accessory)
(9a): Grasped portion
(11): Heat exchange tube
(12): Corrugated fin
(21): Entrance member (accessory)
(21a): Grasped portion
(22): Exit member (accessory)
(22a): Grasped portion
(26): Condensing part inlet header (entrance header)
(27): Condensing part outlet header
(28): Supercooling section entrance header
(29): Supercooled section outlet header (exit header)
(31): Metal base plate
(31a): Tank body forming part
(31b): Protruding wall forming part
(32): Protruding wall
(33): Gripping claw
(34): Base
(34a): Partial tubular surface
(35): Mounting part
(36): Main body
(36a): Refrigerant flow path
(37): Notch
(38): Notch pair
(41): Receiver body
(42): Lower closing member
(43): Upper closing member
(44): Metal base plate
(45): Protruding wall
(46): Gripping claw
(47): Base
(47a): Partial tubular surface
(48): Mounting part
(49): Notch
(51): Notch pair
(65): Slit
(65a): First straight line part
(65b): 2nd straight line part
(66): Slit pair
(67): Cylindrical body for tank body

Claims (8)

長手方向を同方向に向けた状態で互いに間隔をおいて積層状に配置された複数の熱交換管と、長手方向を熱交換管の並び方向に向けた状態で熱交換管の長手方向両側に位置するように互いに間隔をおいて配置され、かつ熱交換管の両端部が接続された１対のヘッダタンクと、隣り合う熱交換管どうしの間に配置されたフィンとを備えており、ヘッダタンクが、筒状タンク本体およびタンク本体の両端開口を閉鎖する閉鎖部材からなり、少なくともいずれか一方のヘッダタンクのタンク本体に付属部品が固定されている熱交換器であって、
付属部品が固定されたヘッダタンクのタンク本体が、金属素板が筒状に成形されるとともに両側縁部どうしが突き合わされた状態でろう付されることにより形成され、当該タンク本体における互いにろう付された両側縁部のうちのいずれか一方に、外方に突出した突出壁が一体に設けられ、付属部品に設けられた被把持部が、突出壁が部分的に変形させられることにより設けられた把持爪により把持され、この状態で付属部品がタンク本体にろう付されている熱交換器。 A plurality of heat exchange tubes arranged in a stack with the longitudinal direction facing the same direction at intervals from each other, and on both sides of the heat exchange tube in the longitudinal direction with the longitudinal direction facing the arrangement direction of the heat exchange tubes. It has a pair of header tanks that are spaced apart from each other so that they are located and that both ends of the heat exchange tubes are connected, and fins that are arranged between adjacent heat exchange tubes. A heat exchanger in which the tank consists of a tubular tank body and a closing member that closes the openings at both ends of the tank body, and accessories are fixed to the tank body of at least one of the header tanks.
The tank body of the header tank to which the accessory parts are fixed is formed by brazing the metal base plate in a tubular shape and with the edges of both sides abutting against each other, and brazing each other in the tank body. An outwardly protruding protruding wall is integrally provided on one of the both side edges, and a gripped portion provided on the accessory part is provided by partially deforming the protruding wall. A heat exchanger that is gripped by the gripping claws and the accessories are brazed to the tank body in this state. 突出壁に、当該突出壁の突出端から基端側に延びる２つの方形切り欠きが突出壁の長手方向に間隔をおいて形成されることにより切り欠き対が設けられ、付属部品の被把持部が切り欠き対の両切り欠き間に配置され、切り欠き対の各方形切り欠きにおける突出壁の長手方向の両側縁部のうち他方の切り欠き側の側縁部に前記把持爪が設けられ、当該把持爪により付属部品の被把持部が把持されている請求項１記載の熱交換器。 A pair of notches is provided on the protruding wall by forming two square notches extending from the protruding end of the protruding wall toward the base end side at intervals in the longitudinal direction of the protruding wall, and a gripped portion of an accessory part. Is arranged between both notches of the notch pair, and the gripping claw is provided on the side edge of the other notch side of the longitudinal side edges of the protruding wall in each of the notch pairs. The heat exchanger according to claim 1, wherein the gripped portion of the accessory part is gripped by the gripping claw. 付属部品が、ヘッダタンクのタンク本体の外周面の一部に沿う部分筒状面を有するベース部と、ベース部から突出するように設けられた取付部とを備えたヘッダタンク用取付ブラケットであり、取付部におけるベース部寄りの部分に被把持部が設けられている請求項１または２記載の熱交換器。 The accessory part is a header tank mounting bracket having a base portion having a partial tubular surface along a part of the outer peripheral surface of the tank body of the header tank and a mounting portion provided so as to protrude from the base portion. The heat exchanger according to claim 1 or 2, wherein a gripped portion is provided in a portion of the mounting portion near the base portion. 付属部品が入口部材および出口部材であり、入口部材がタンク本体にろう付されたヘッダタンクに、入口部材を通して冷媒が流入する冷媒入口ヘッダが設けられ、出口部材がタンク本体にろう付されたヘッダタンクに、出口部材を通して冷媒が流出する冷媒出口ヘッダが設けられており、入口部材および出口部材が、ヘッダタンクのタンク本体の外周面の一部に沿う部分筒状面を有しかつ冷媒流路が形成された本体部を備え、本体部に、タンク本体から離れる方向に突出した被把持部が設けられている請求項１〜３のうちのいずれかに記載の熱交換器。 The accessory parts are an inlet member and an outlet member, and the header tank in which the inlet member is brazed to the tank body is provided with a refrigerant inlet header through which the refrigerant flows through the inlet member, and the outlet member is brazed to the tank body. The tank is provided with a refrigerant outlet header through which the refrigerant flows out through the outlet member, and the inlet member and the outlet member have a partial tubular surface along a part of the outer peripheral surface of the tank body of the header tank and the refrigerant flow path. The heat exchanger according to any one of claims 1 to 3, wherein the main body portion is provided with a main body portion formed of the above, and the main body portion is provided with a gripped portion protruding in a direction away from the tank main body. コンデンサとして用いられる熱交換器であって、
複数の熱交換管が通じる凝縮部入口ヘッダおよび複数の熱交換管が通じる凝縮部出口ヘッダを有する凝縮部と、複数の熱交換管が通じる過冷却部入口ヘッダおよび複数の熱交換管が通じる過冷却部出口ヘッダを有する過冷却部と、内部が密閉され、かつ凝縮部出口ヘッダから流入した気液混相冷媒を気相冷媒と液相冷媒とに分離するとともに液相冷媒を過冷却部入口ヘッダに送り出す受液器とを備えており、受液器に付属部品としての受液器用取付ブラケットが固定され、
受液器が、金属素板が筒状に成形されるとともに両側縁部どうしが突き合わされた状態でろう付されることにより形成された筒状受液器本体と、受液器本体の両端開口を閉鎖する閉鎖部材とからなり、少なくともいずれか一方の閉鎖部材が受液器本体にろう付され、受液器本体における互いにろう付された両側縁部のうちのいずれか一方に、外方に突出した突出壁が一体に設けられ、
受液器用取付ブラケットが、受液器本体の外周面の一部に沿う部分筒状面を有するベース部と、ベース部から突出するように設けられた取付部とを備えており、受液器用取付ブラケットの取付部におけるベース部寄りの部分に設けられた被把持部が、受液器本体の突出壁が部分的に変形させられることにより設けられた把持爪により把持され、この状態で受液器用取付ブラケットが受液器本体にろう付されている請求項１〜４のうちのいずれかに記載の熱交換器。 A heat exchanger used as a capacitor
Condensing part having a condensing part inlet header through which a plurality of heat exchange tubes and a condensing part outlet header through which a plurality of heat exchange tubes are connected, and an overcooling part inlet header through which a plurality of heat exchange tubes are connected and an overpass through which a plurality of heat exchange tubes are connected. The supercooling section having the cooling section outlet header and the gas-liquid mixed phase refrigerant that is sealed inside and flowed in from the condensing section outlet header are separated into the gas phase refrigerant and the liquid phase refrigerant, and the liquid phase refrigerant is separated from the supercooling section inlet header. It is equipped with a receiver that sends out to the receiver, and the mounting bracket for the receiver as an accessory is fixed to the receiver.
The receiver body is formed by brazing the metal base plate into a tubular shape and the edges of both sides are abutted against each other, and the openings at both ends of the receiver body. It consists of a closing member that closes the lid, and at least one of the closing members is brazed to the receiver body and outwardly to one of the brazed side edges of the receiver body. A protruding wall is provided integrally,
The mounting bracket for the receiver is provided with a base portion having a partially tubular surface along a part of the outer peripheral surface of the receiver body and a mounting portion provided so as to protrude from the base portion, and is used for the receiver. The gripped portion provided near the base portion in the mounting portion of the mounting bracket is gripped by the gripping claw provided by partially deforming the protruding wall of the liquid receiver body, and the liquid is received in this state. The heat exchanger according to any one of claims 1 to 4, wherein the dexterity mounting bracket is brazed to the receiver body. 受液器本体の突出壁に、当該突出壁の突出端から基端側に延びる２つの方形切り欠きが突出壁の長手方向に間隔をおいて形成されることにより切り欠き対が設けられ、受液器用取付ブラケットの被把持部が切り欠き対の両切り欠き間に配置され、切り欠き対の各方形切り欠きにおける突出壁の長手方向の両側縁部のうち他方の切り欠き側の側縁部に前記把持爪が設けられ、当該把持爪により受液器用取付ブラケットの被把持部が把持されている請求項５記載の熱交換器。 Two square notches extending from the protruding end of the protruding wall to the base end side are formed on the protruding wall of the receiver body at intervals in the longitudinal direction of the protruding wall, so that a pair of cutouts is provided to receive the receiver. The gripped portion of the liquid container mounting bracket is arranged between both notches of the notch pair, and on the side edge of the other notch side of the longitudinal side edges of the protruding wall in each square notch of the notch pair. The heat exchanger according to claim 5, wherein the gripping claw is provided, and the gripped portion of the liquid receiver mounting bracket is gripped by the gripping claw. 請求項２記載の熱交換器を、すべての金属部材を一括してろう付することにより製造する方法であって、
付属部品がろう付されたヘッダタンクのタンク本体を形成する金属素板と、タンク本体にろう付されてその両端開口を閉鎖する閉鎖部材と、被把持部を有する付属部品と、その他の熱交換器用金属部材とを用意し、金属素板に、タンク本体形成部、およびタンク本体形成部の一側縁に連なりかつタンク本体形成部の全長にわたる一定幅の帯状突出壁形成部を設けておき、
ついで、金属素板の突出壁形成部に、突出壁形成部の先端から基端側に延びる第１直線部と、第１直線部の先端に連なって突出壁形成部の長手方向に延びる第２直線部とからなるＬ形の２つのスリットを、第２直線部の先端どうしが対向して反対方向を向くように突出壁形成部の長手方向に間隔をおいて形成することによりスリット対を設ける工程Ａ、金属素板のタンク本体形成部を筒状に成形することによりタンク本体形成部の両側縁部どうしを突き合わせてタンク本体用筒状体を得るとともに、突出壁形成部をタンク本体用筒状体の外側に曲げる工程Ｂ、ならびに付属部品の被把持部をスリット対の両スリット間に配置した後、突出壁形成部に形成されたスリット対の両スリットにおける両直線部に挟まれた部分を曲げて付属部品の被把持部を把持する把持爪を設けることにより付属部品を突出壁形成部に仮止めする工程Ｃを順不同で実施することによって、タンク本体用筒状体の互いに突き合わされた両側縁部のうちのいずれか一方に外方に突出した突出壁が一体に設けられ、付属部品の一部の被把持部が突出壁に設けられた把持爪により把持されて付属部品がタンク本体用筒状体に仮止めされている組み合わせ体をつくり、
その後、前記組み合わせ体のタンク本体用筒状体の互いに突き合わされた両側縁部どうしをろう付してタンク本体を得るとともにタンク本体に閉鎖部材をろう付してヘッダタンクをつくり、さらに付属部品をヘッダタンクのタンク本体にろう付し、これと同時に他の熱交換器用構成部品を一括してろう付することを含む熱交換器の製造方法。 A method of manufacturing the heat exchanger according to claim 2 by brazing all metal members at once.
A metal base plate that forms the tank body of a header tank with brazed accessories, a closing member that is brazed to the tank body and closes the openings at both ends, accessories with grips, and other heat exchange. A dexterous metal member is prepared, and the metal base plate is provided with a tank body forming portion and a strip-shaped protruding wall forming portion which is connected to one side edge of the tank body forming portion and has a constant width over the entire length of the tank body forming portion.
Next, in the protruding wall forming portion of the metal base plate, a first straight line portion extending from the tip of the protruding wall forming portion to the proximal end side and a second straight portion extending in the longitudinal direction of the protruding wall forming portion connected to the tip of the first straight line portion. A pair of slits is provided by forming two L-shaped slits composed of a straight portion at intervals in the longitudinal direction of the protruding wall forming portion so that the tips of the second straight portions face each other and face in opposite directions. In step A, by forming the tank body forming portion of the metal base plate into a tubular shape, both side edges of the tank body forming portion are butted against each other to obtain a tank body tubular body, and the protruding wall forming portion is formed into a tank body cylinder. Step B of bending to the outside of the shape, and after arranging the gripped portion of the accessory part between both slits of the slit pair, the portion sandwiched between the straight portions of both slits of the slit pair formed in the protruding wall forming portion. By providing a gripping claw that bends and grips the gripped portion of the accessory part, the step C of temporarily fixing the accessory part to the protruding wall forming portion is carried out in no particular order, so that the tubular bodies for the tank body are butted against each other. A protruding wall protruding outward is integrally provided on one of the both side edges, and a part of the gripped portion of the accessory part is gripped by the gripping claw provided on the protruding wall, and the accessory part is the tank main body. Make a combination that is temporarily fixed to the tubular body,
After that, the both side edges of the tubular body for the tank body of the combination are brazed to each other to obtain the tank body, and the closing member is brazed to the tank body to make a header tank, and further accessories are added. A method for manufacturing a heat exchanger, which includes brazing to the tank body of a header tank and at the same time brazing other heat exchanger components in a batch. 請求項６記載の熱交換器を、すべての金属部材を一括してろう付することにより製造する方法であって、
受液器の受液器本体を形成する金属素板と、受液器本体の少なくとも一端部にろう付されて当該開口を閉鎖する閉鎖部材と、被把持部を有する金属製受液器用取付ブラケットとを用意し、金属素板に、受液器本体形成部、および受液器本体形成部の一側縁に連なりかつ受液器本体形成部の全長にわたる一定幅の帯状突出壁形成部を設けておき、
ついで、金属素板の突出壁形成部に、突出壁形成部の先端から基端側に延びる第１直線部と、第１直線部の先端に連なって突出壁形成部の長手方向に延びる第２直線部とからなるＬ形の２つのスリットを、第２直線部の先端どうしが対向して反対方向を向くように突出壁形成部の長手方向に間隔をおいて形成することによりスリット対を設ける工程Ｄ、金属素板の受液器本体形成部を筒状に成形することにより受液器本体形成部の両側縁部どうしを突き合わせて受液器本体用筒状体を得るとともに、突出壁形成部を受液器本体用筒状体の外側に曲げる工程Ｅ、ならびに受液器用取付ブラケットの被把持部をスリット対の両スリット間に配置した後、突出壁形成部に形成されたスリット対の両スリットにおける両直線部に挟まれた部分を曲げて受液器用取付ブラケットの被把持部を把持する把持爪を設けることにより受液器用取付ブラケットを突出壁形成部に仮止めする工程Ｆを順不同で実施することによって、受液器本体用筒状体の互いに突き合わされた両側縁部のうちのいずれか一方に外方に突出した突出壁が一体に設けられ、受液器用取付ブラケットの一部の被把持部が突出壁に設けられた把持爪により把持されて受液器用取付ブラケットが受液器本体用筒状体に仮止めされている受液器用組み合わせ体をつくり、前記ヘッダタンク用組み合わせ体のタンク本体用筒状体の互いに突き合わされた両側縁部どうしのろう付、タンク本体と閉鎖部材とのろう付、ヘッダタンクのタンク本体と付属部品とのろう付と同時に、受液器用組み合わせ体の受液器本体用筒状体の互いに突き合わされた両側縁部どうしをろう付して受液器本体を得るとともに受液器本体に金属製閉鎖部材をろう付して受液器をつくり、さらに受液器用取付ブラケットを受液器の受液器本体にろう付することを含む請求項７記載の熱交換器の製造方法。
A method of manufacturing the heat exchanger according to claim 6 by brazing all metal members at once.
A metal base plate forming the receiver body of the receiver, a closing member brazed to at least one end of the receiver body to close the opening, and a metal receiver mounting bracket having a gripped portion. And, the metal base plate is provided with a receiver main body forming portion and a strip-shaped protruding wall forming portion which is connected to one side edge of the receiving receiver main body forming portion and has a constant width over the entire length of the receiving receiver main body forming portion. Aside,
Next, the protruding wall forming portion of the metal base plate has a first straight portion extending from the tip of the protruding wall forming portion toward the proximal end side and a second straight portion extending in the longitudinal direction of the protruding wall forming portion connected to the tip of the first straight portion. A pair of slits is provided by forming two L-shaped slits composed of a straight portion at intervals in the longitudinal direction of the protruding wall forming portion so that the tips of the second straight portions face each other and face in opposite directions. In step D, by forming the receiver body forming portion of the metal base plate into a tubular shape, both side edges of the receiver body forming portion are abutted against each other to obtain a tubular body for the receiver body, and a protruding wall is formed. In step E of bending the portion to the outside of the tubular body for the receiver body, and after arranging the gripped portion of the receiver mounting bracket between both slits of the slit pair, the slit pair formed in the protruding wall forming portion. Step F of temporarily fixing the receiver mounting bracket to the protruding wall forming portion by bending the portion sandwiched between the two straight portions in both slits and providing a gripping claw for gripping the gripped portion of the receiver mounting bracket is performed in no particular order. By carrying out this process, a protruding wall protruding outward is integrally provided on one of the both side edges of the tubular body for the receiver body, which is abutted against each other, and a part of the mounting bracket for the receiver body. The gripped portion is gripped by the gripping claws provided on the protruding wall, and the receiver mounting bracket is temporarily fixed to the tubular body for the receiver body to form a receiver combination, and the combination for the header tank. Brazing on both sides of the tubular body for the tank body, which are abutted against each other, brazing between the tank body and the closing member, brazing between the tank body and the accessory parts of the header tank, and at the same time, the combination for the receiver Brazing the both abutting edges of the body's tubular body for the receiver body to obtain the receiver body, and brazing a metal closing member to the receiver body to make the receiver. The method for manufacturing a heat exchanger according to claim 7, further comprising brazing a mounting bracket for a receiver to the receiver body of the receiver.

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