JP2001304720A - Heat exchanger - Google Patents

Heat exchanger

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Publication number
JP2001304720A
JP2001304720A JP2000116177A JP2000116177A JP2001304720A JP 2001304720 A JP2001304720 A JP 2001304720A JP 2000116177 A JP2000116177 A JP 2000116177A JP 2000116177 A JP2000116177 A JP 2000116177A JP 2001304720 A JP2001304720 A JP 2001304720A
Authority
JP
Japan
Prior art keywords
refrigerant
header
paths
path
heat exchanger
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.)
Pending
Application number
JP2000116177A
Other languages
Japanese (ja)
Inventor
Hirohiko Watanabe
寛彦 渡辺
康浩 ▲高▼▲橋▼
Yasuhiro Takahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Showa Denko KK filed Critical Showa Denko KK
Priority to JP2000116177A priority Critical patent/JP2001304720A/en
Publication of JP2001304720A publication Critical patent/JP2001304720A/en
Pending legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To provide a heat exchanger by which heat exchange efficiency is enhanced and refrigerant saving can be realized. SOLUTION: A heat exchanger for a condenser or the like is provided with heat exchange tubes 12 arranged in parallel between a pair of headers 11 and partitioned into a plurality of paths P1-P4 by partitioning members 16 in the headers. A liquid refrigerant flowing from a refrigerant inlet 11a provided in a lower part of the header sequentially moves upwards zigzag through the paths P1-P4, and is discharged from a refrigerant outlet 11b provided in an upper part of the header. A refrigerant stagnation preventing means 20 is provided in a refrigerant turn part T1 between the first path and the second path. The refrigerant stagnation preventing means 20 comprises a channel restricting plate 21 for partitioning an interior of the header, and a refrigerant spouting pipe 22 penetrating the restricting plate 21 and secured to the plate. A bottom end opening 22b of the refrigerant spouting pipe 22 is disposed at a bottom end of the refrigerant turn part T1.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、例えばカーエア
コン用コンデンサ等として好適に採用される熱交換器に
関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat exchanger suitably used, for example, as a condenser for a car air conditioner.

【0002】[0002]

【従来の技術】図4及び図5に示すように、従来におけ
るマルチフロータイプのカーエアコン用コンデンサは、
離間して対峙した左右一対の垂直方向に沿うヘッダー
(1)(1)を有しており、両ヘッダー(1)(1)間
には、熱交換チューブとしての多数本の水平方向に沿う
扁平チューブ(2)が、両端を両ヘッダー(1)(1)
に連通接続した状態で、上下方向に所定の間隔おきに並
列状に配置されている。また一方側(右側)のヘッダー
(1)の上下両端には、冷媒入口(1a)及び冷媒出口
(1b)が形成される。更にヘッダー(1)の所定位置
には、ヘッダー内部を仕切る仕切部材(5)が取り付け
られて、その仕切部材(5)により多数の扁平チューブ
(2)が4つのパス(P1)〜(P4)に区分けされて
いる。
2. Description of the Related Art As shown in FIG. 4 and FIG.
It has a pair of left and right headers (1) and (1) along the vertical direction facing each other, and a large number of flat tubes along the horizontal direction as heat exchange tubes are provided between the headers (1) and (1). Tube (2), both ends (1) (1)
And are arranged in parallel at predetermined intervals in the up-down direction. Further, a refrigerant inlet (1a) and a refrigerant outlet (1b) are formed at both upper and lower ends of the header (1) on one side (right side). Further, a partition member (5) for partitioning the inside of the header is attached to a predetermined position of the header (1), and the partition member (5) allows a number of flat tubes (2) to pass through four paths (P1) to (P4). Are divided into

【0003】そしてこのコンデンサにおいては、冷媒入
口(1a)から流入された冷媒が、各パス(P1)〜
(P4)を順に通って蛇行状に流下していき、その流通
時に、外気との間で熱交換して凝縮されるものである。
In this condenser, the refrigerant flowing from the refrigerant inlet (1a) passes through each of the paths (P1) to (P1).
It flows down in a meandering manner through (P4) in order, and exchanges heat with the outside air during the flow to condense.

【0004】[0004]

【発明が解決しようとする課題】上記従来のコンデンサ
において、運転時の温度分布を、サーモグラフィーによ
り表すと、各パス(P1)〜(P4)の下流側における
下部の温度が低くなっており、その低温部分には液冷媒
が滞留し、図5の斜線領域に示すように、液溜まり(R
P)が発生する。この液溜まり(RP)は、外気との温
度差が小さく、熱交換を効率良く行えないばかりか、液
溜まり(RP)が多くなると、その分、冷媒封入量も増
加して、省冷媒化を図ることが困難になるという問題が
あった。
In the above-mentioned conventional capacitor, when the temperature distribution during operation is represented by thermography, the temperature at the lower part on the downstream side of each of the paths (P1) to (P4) is low. The liquid refrigerant stays in the low-temperature portion, and as shown in a hatched area in FIG.
P) occurs. This liquid pool (RP) has a small temperature difference from the outside air, so that not only can heat exchange not be performed efficiently, but also, as the liquid pool (RP) increases, the amount of refrigerant charged increases accordingly, thereby reducing refrigerant consumption. There was a problem that it became difficult to achieve.

【0005】この発明は、上記従来技術の問題を解消
し、省冷媒化を図りつつ、効率良く熱交換することがで
きる熱交換器を提供することを目的とする。
An object of the present invention is to solve the above-mentioned problems of the prior art and to provide a heat exchanger capable of efficiently exchanging heat while saving refrigerant.

【0006】[0006]

【課題を解決するための手段】上記目的を達成するた
め、この発明は、垂直方向に沿う左右一対のヘッダー間
に、両端が両ヘッダーに連通接続される複数の熱交換チ
ューブが垂直方向に所定の間隔おきに並列状に設けら
れ、前記ヘッダーの内部に設けられた仕切部材により、
前記複数の熱交換チューブが複数のパスに区分けされた
熱交換器において、前記ヘッダーの下部に冷媒入口が設
けられるとともに、前記ヘッダーの上部に冷媒出口が設
けられ、前記冷媒入口から流入された冷媒が前記複数の
パスを順に通過して蛇行状に上昇し、前記冷媒出口から
流出されるよう構成され、前記ヘッダー内における少な
くとも第1及び第2パス間の冷媒ターン部に、ヘッダー
内を仕切る流路制限板が設けられるとともに、その流路
制限板に冷媒吹き上げ管が貫通状態に固定され、前記冷
媒吹き上げ管の上端開口部が、前記流路制限板の上側に
配置されるとともに、下端開口部が前記冷媒ターン部に
おける下端部に配置されてなるものを要旨としている。
SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is directed to a heat exchanger comprising a plurality of heat exchange tubes vertically connected to each other between a pair of left and right headers along the vertical direction. Provided in parallel at intervals of, by the partition member provided inside the header,
In the heat exchanger in which the plurality of heat exchange tubes are divided into a plurality of paths, a coolant inlet is provided at a lower portion of the header, and a coolant outlet is provided at an upper portion of the header, and the coolant flowing from the coolant inlet is provided. Are sequentially passed through the plurality of passes, rise in a meandering manner, and are discharged from the coolant outlet. At least a coolant turn portion between the first and second passes in the header, a flow partitioning the inside of the header. A path restriction plate is provided, and a refrigerant blow-up pipe is fixed to the flow path restriction plate in a penetrating state, and an upper end opening of the refrigerant blow-up pipe is disposed above the flow path restriction plate and a lower end opening. Is arranged at the lower end of the refrigerant turn section.

【0007】この発明の熱交換器においては、第1パス
を通過した冷媒のうちガス冷媒は、冷媒ターン部の下端
部から冷媒吹き上げ管に流入して上方に導かれる一方、
液冷媒は、冷媒ターン部の下端部に流れ込み、そこか
ら、上記ガス冷媒に助勢されてそのガス冷媒と共に、冷
媒吹き上げ管に流入し、滞留することなく上方へと導か
れる。
[0007] In the heat exchanger of the present invention, the gaseous refrigerant among the refrigerants passing through the first path flows into the refrigerant blow-up pipe from the lower end of the refrigerant turn portion and is guided upward.
The liquid refrigerant flows into the lower end portion of the refrigerant turn portion, and from there, is assisted by the gas refrigerant, flows into the refrigerant blow-up pipe together with the gas refrigerant, and is guided upward without stagnation.

【0008】[0008]

【発明の実施の形態】図1及び図2はこの発明の実施形
態である熱交換器が適用されたマルチフロータイプのカ
ーエアコン用コンデンサを示す図である。両図に示すよ
うに、このコンデンサは、離間して対峙した左右一対の
垂直方向に沿うヘッダー(11)(11)を有してい
る。一対のヘッダー(11)(11)間には、熱交換チ
ューブとしての多数本の水平方向に沿う扁平チューブ
(12)が、各両端を両ヘッダー(11)(11)に連
通接続した状態で、上下方向に所定の間隔おきに並列状
に配置されるとともに、扁平チューブ(12)の各間、
及び最外側の扁平チューブ(12)の外側に、コルゲー
トフィン(13)がそれぞれ配置されて、コアが形成さ
れている。また最外側のコルゲートフィン(13)の外
側には、フィン保護用の帯状サイドプレート(14)が
設けられる。
1 and 2 are views showing a multi-flow type condenser for a car air conditioner to which a heat exchanger according to an embodiment of the present invention is applied. As shown in both figures, this capacitor has a pair of left and right vertical headers (11) (11) facing each other at a distance. Between the pair of headers (11) and (11), a number of horizontally extending flat tubes (12) serving as heat exchange tubes are connected at both ends to both headers (11) and (11). The tubes are arranged in parallel at predetermined intervals in the vertical direction, and between the flat tubes (12).
A corrugated fin (13) is arranged outside the outermost flat tube (12) to form a core. Outside the outermost corrugated fin (13), a band-shaped side plate (14) for fin protection is provided.

【0009】一方側(右側)のヘッダー(11)の下端
には冷媒入口(11a)が設けられるとともに、上端に
は冷媒出口(11b)が設けられている。
[0009] A refrigerant inlet (11a) is provided at the lower end of the header (11) on one side (right side), and a refrigerant outlet (11b) is provided at the upper end.

【0010】また各ヘッダー(11)の所要位置には、
ヘッダー(11)の内部を仕切る仕切部材(16)が設
けられ、この仕切部材(16)により上記多数の扁平チ
ューブ(12)が、下側から上側に向けて第1ないし第
4の4つのパス(P1)〜(P4)に区分けされる。更
にヘッダー(11)の内部における第1ないし第4パス
(P1)〜(P4)の各間のうち、第1及び第2パス
(P1)(P2)間は第1冷媒ターン部(T1)として
構成され、第2及び第3パス(P2)(P3)間は第2
冷媒ターン部(T2)として構成され、第3及び第4パ
ス(P3)(P4)間は第3冷媒ターン部(T3)とし
て構成される。
The required position of each header (11) is:
A partition member (16) for partitioning the inside of the header (11) is provided, and the partition member (16) allows the plurality of flat tubes (12) to pass through the first to fourth four paths from the lower side to the upper side. (P1) to (P4). Further, among the first to fourth paths (P1) to (P4) in the inside of the header (11), the area between the first and second paths (P1) and (P2) serves as a first refrigerant turn part (T1). And a second path between the second and third paths (P2) and (P3).
It is configured as a refrigerant turn part (T2), and between the third and fourth paths (P3) and (P4) is configured as a third refrigerant turn part (T3).

【0011】そしてこのコンデンサでは、冷媒入口(1
1a)から流入した冷媒が蛇行状に上昇していき冷媒出
口(11b)から流出されるよう構成されている。すな
わち、冷媒入口(11a)から流入した冷媒は、第1パ
ス(P1)を通過して第1冷媒ターン部(T1)でUタ
ーンして第2パス(P2)に流入し、更に第2パス(P
2)を通過した冷媒は、第2冷媒ターン部(T2)でU
ターンして第3パス(P3)に流入し、更に第3パス
(P3)を通過した冷媒は第3冷媒ターン部(T3)で
Uターンして第4パス(P4)に流入し、更に第4パス
(P4)を通過した冷媒は冷媒出口(11b)から流出
されるよう構成されている。
In this condenser, the refrigerant inlet (1)
The refrigerant flowing in from 1a) rises in a meandering manner and flows out from the refrigerant outlet (11b). That is, the refrigerant flowing from the refrigerant inlet (11a) passes through the first path (P1), makes a U-turn at the first refrigerant turn part (T1), flows into the second path (P2), and further passes through the second path (P2). (P
The refrigerant that has passed through 2) passes through the second refrigerant turn section (T2) at U
The refrigerant turns and flows into the third path (P3), and the refrigerant that has passed through the third path (P3) makes a U-turn at the third refrigerant turn part (T3) and flows into the fourth path (P4). The refrigerant that has passed through the four passes (P4) is configured to flow out of the refrigerant outlet (11b).

【0012】一方、本実施形態においては、第1ないし
第3冷媒ターン部(T1)〜(T3)には、冷媒滞留防
止手段(20)がそれぞれ設けられている。
On the other hand, in the present embodiment, the first to third refrigerant turn parts (T1) to (T3) are provided with refrigerant stagnation preventing means (20), respectively.

【0013】図3に示すように、冷媒滞留防止手段(2
0)は、ヘッダー内部を仕切るディスク状の流路制限板
(21)と、その流路制限板(21)に貫通状態に固定
された冷媒吹き上げ管(22)とを有している。この冷
媒滞留防止手段(20)の流路制限板(21)が、冷媒
ターン部(T1)〜(T3)における各パス(P1)〜
(P4)間に取り付けられる。このとき、冷媒吹き上げ
管(22)は、その上端開口部(22a)が流路制限板
(21)の上面側で開放する態様に配置されるととも
に、下端開口部(22b)が冷媒ターン部(T1)〜
(T3)の下端位置に対応して、冷媒ターン部(T1)
〜(T3)の底部に近接する位置に配置される。
[0013] As shown in FIG.
0) has a disk-shaped flow path restriction plate (21) that partitions the inside of the header, and a refrigerant blow-up pipe (22) fixed to the flow path restriction plate (21) in a penetrating state. The flow path restricting plate (21) of the refrigerant stagnation preventing means (20) is connected to each of the paths (P1) to (T1) in the refrigerant turn sections (T1) to (T3).
It is attached between (P4). At this time, the refrigerant blow-up pipe (22) is arranged such that its upper end opening (22a) is open on the upper surface side of the flow path restriction plate (21), and its lower end opening (22b) has a refrigerant turn ( T1) ~
The refrigerant turn portion (T1) corresponds to the lower end position of (T3).
To (T3).

【0014】以上の構成のコンデンサにおいて、冷媒が
第1パス(P1)を通過して気液混相状態となり、図3
に示すように、ガス冷媒(RG)が第1パス(P1)の
下流側端部における上部から第1冷媒ターン部(T1)
内に入り込み、そのガス冷媒(RG)が冷媒ターン部
(T1)の底部に導かれてそこから、冷媒吹き上げ管
(22)にその下端開口部(22b)から勢い良く流入
して、上端開口部(22a)から放出されて、冷媒ター
ン部(T1)における流路制限板(21)の上側に導か
れる。一方、液冷媒(RL)は第1パス(P1)の下流
側における下端部から流出されて、冷媒ターン部(T
1)の下端部に液冷媒(RL)による液溜まりが生じ易
くなるが、上記したようにガス冷媒(RG)が冷媒ター
ン部(T1)の底部から冷媒吹き上げ管(22)内に勢
い良く流入するので、その流入に伴って液冷媒(RL)
が冷媒吹き上げ管(22)内に流入して、上端開口部
(22a)から流出されて冷媒ターン部(T1)の上側
に導かれる。
In the condenser having the above structure, the refrigerant passes through the first path (P1) and enters a gas-liquid multi-phase state.
As shown in the figure, the gas refrigerant (RG) is supplied from the upper part at the downstream end of the first path (P1) to the first refrigerant turn part (T1).
And the gas refrigerant (RG) is guided to the bottom of the refrigerant turn part (T1), from which it flows into the refrigerant blow-up pipe (22) through its lower end opening (22b) and vigorously. It is discharged from (22a) and guided to the upper side of the flow path restriction plate (21) in the refrigerant turn part (T1). On the other hand, the liquid refrigerant (RL) flows out from the lower end on the downstream side of the first path (P1), and is turned to the refrigerant turn part (T
Although the liquid refrigerant (RL) tends to accumulate at the lower end of the liquid refrigerant (RL), the gas refrigerant (RG) flows vigorously into the refrigerant blow-up pipe (22) from the bottom of the refrigerant turn (T1) as described above. The liquid refrigerant (RL)
Flows into the refrigerant blow-up pipe (22), flows out of the upper end opening (22a), and is guided to the upper side of the refrigerant turn part (T1).

【0015】このように第1パス(P1)の下部から冷
媒ターン部(T1)の下端部に流入した液冷媒(RL)
が、ガス冷媒(RG)に助勢されて冷媒吹き上げ管(2
2)に吸い込まれて上部に導かれるので、液冷媒(R
L)が、第1パス(P1)の下流側下部から冷媒ターン
部(T1)の下端部にかけて滞留することがなく、液溜
まりが発生するのを有効に防止することができる。
As described above, the liquid refrigerant (RL) flowing from the lower part of the first path (P1) to the lower end of the refrigerant turn part (T1).
Is assisted by the gas refrigerant (RG) and the refrigerant blow-up pipe (2)
2), the liquid refrigerant (R)
L) does not stay from the lower part on the downstream side of the first path (P1) to the lower end of the refrigerant turn part (T1), and it is possible to effectively prevent the liquid pool from being generated.

【0016】一方、本実施形態においては、第2及び第
3冷媒ターン部(T2)(T3)にも、上記と同様な冷
媒滞留防止手段(20)を設けているため、第1冷媒タ
ーン部(T1)から第2パス(P2)に流入してそのパ
ス(P2)を通過した気液混相冷媒は、第2冷媒ターン
部(T2)において、上記と同様に、滞留せずにスムー
ズにターンして第3パス(P3)に流入する。更に第3
パス(P3)を通過した冷媒は、第3冷媒ターン部(T
3)において、上記と同様に、滞留せずにスムーズにタ
ーンして第4パス(P4)に流入してそのパス(P4)
を通過した後、冷媒出口(11b)から流出される。
On the other hand, in the present embodiment, the second and third refrigerant turn sections (T2) and (T3) are also provided with the same refrigerant retention preventing means (20) as described above, so that the first refrigerant turn section (T2) is provided. The gas-liquid mixed-phase refrigerant flowing from (T1) into the second path (P2) and passing through the path (P2) is smoothly turned without stagnation in the second refrigerant turn section (T2), as described above. Then, it flows into the third pass (P3). Third
The refrigerant having passed through the path (P3) passes through a third refrigerant turn section (T
In 3), in the same manner as described above, the vehicle turns smoothly without stagnation, flows into the fourth pass (P4), and passes through the fourth pass (P4).
After passing through, the refrigerant is discharged from the refrigerant outlet (11b).

【0017】以上のように、本実施形態のコンデンサに
おいては、冷媒の液溜まりが生じることなくスムーズに
流通するため、熱交換を効率良く行えるとともに、液溜
まりが生じない分、冷媒の封入量を削減できて、省冷媒
化を図ることができる。
As described above, in the condenser of the present embodiment, since the refrigerant flows smoothly without liquid pooling, heat can be exchanged efficiently, and the amount of refrigerant charged is reduced by the absence of liquid pooling. It is possible to reduce the amount of refrigerant and to save refrigerant.

【0018】しかも、本実施形態のコンデンサにおいて
は、第1冷媒ターン部(T1)に冷媒滞留防止手段(2
0)を設けているため、より一層、熱交換率の向上及び
省冷媒化を図ることができる。すなわち、本実施形態の
ように、マルチフロータイプのコンデンサにおいては、
第1パス(P1)内に、乾き度の高いガス状態の冷媒が
流入するので、他のパス(P2)〜(P4)に比べて凝
縮割合が高く、流速が急激に低下する。このため、第1
パス(P1)の下流側は、冷媒が滞留して液溜まりが生
じ易いが、本実施形態においては、この液溜まりが生じ
易い第1パス(P1)の下流側、つまり第1冷媒ターン
部(T1)に冷媒滞留防止手段(20)を設けて液溜ま
りを防止しているため、より一層、熱交換効率の向上及
び省冷媒化を図ることができる。
Further, in the condenser of the present embodiment, the refrigerant stagnation preventing means (2) is provided in the first refrigerant turn portion (T1).
Since 0) is provided, it is possible to further improve the heat exchange rate and save the refrigerant. That is, as in the present embodiment, in a multi-flow type capacitor,
Since the gaseous refrigerant having a high degree of dryness flows into the first path (P1), the condensation rate is higher than those of the other paths (P2) to (P4), and the flow velocity sharply decreases. Therefore, the first
On the downstream side of the path (P1), the refrigerant easily stays due to the accumulation of the refrigerant. In the present embodiment, however, in the present embodiment, the downstream side of the first path (P1) where the liquid accumulation easily occurs, that is, the first refrigerant turn portion ( Since the liquid pool is prevented by providing the refrigerant retention preventing means (20) in T1), it is possible to further improve the heat exchange efficiency and reduce the refrigerant consumption.

【0019】[0019]

【発明の効果】以上のように、本発明の熱交換器によれ
ば、ヘッダー下部の冷媒入口から流入された冷媒が、複
数のパスを順に通過して蛇行状に上昇し、ヘッダー上部
の冷媒出口から流出されるよう構成する一方、ヘッダー
の第1及び第2パス間の冷媒ターン部に、ヘッダー内を
仕切る流路制限板を設けるとともに、その流路制限板に
貫通状態に固定された冷媒吹き上げ管の下端開口部を冷
媒ターン部の下端部に配置するものであるため、第1パ
スを通過した冷媒のうちガス冷媒は、冷媒ターン部の底
部から冷媒吹き上げ管に流入して上方に導かれる一方、
冷媒ターン部の下端部に流れ込んだ液冷媒は、上記ガス
冷媒に伴って冷媒吹き上げ管に流入して上方に導かれ
る。このように液冷媒が冷媒ターン部で滞留することな
くスムーズに流通して第2パスへと導かれるため、冷媒
が滞留することがなく、熱交換効率を向上できるととも
に、省冷媒化を図ることができるという効果がある。
As described above, according to the heat exchanger of the present invention, the refrigerant flowing from the refrigerant inlet at the lower part of the header rises in a meandering manner sequentially passing through a plurality of paths, and the refrigerant at the upper part of the header. A refrigerant passage portion between the first and second passes of the header is provided with a flow passage restriction plate for partitioning the inside of the header, and the refrigerant fixed to the flow passage restriction plate in a penetrating state, while being configured to flow out from the outlet. Since the lower end opening of the blow-up pipe is disposed at the lower end of the refrigerant turn part, the gas refrigerant of the refrigerant that has passed the first pass flows into the refrigerant blow-up pipe from the bottom of the refrigerant turn part and is guided upward. While
The liquid refrigerant flowing into the lower end of the refrigerant turn portion flows into the refrigerant blow-up pipe along with the gas refrigerant and is guided upward. As described above, since the liquid refrigerant flows smoothly and is guided to the second path without stagnation in the refrigerant turn portion, the refrigerant does not stagnate, the heat exchange efficiency can be improved, and the refrigerant can be saved. There is an effect that can be.

【図面の簡単な説明】[Brief description of the drawings]

【図1】この発明の実施形態である熱交換器が適用され
たカーエアコン用コンデンサを示す正面図である。
FIG. 1 is a front view showing a car air conditioner condenser to which a heat exchanger according to an embodiment of the present invention is applied.

【図2】実施形態のコンデンサの冷媒回路構成を示す正
面図である。
FIG. 2 is a front view showing a refrigerant circuit configuration of the condenser of the embodiment.

【図3】実施形態のコンデンサにおける第1冷媒ターン
部周辺を示す概略断面図である。
FIG. 3 is a schematic cross-sectional view showing a periphery of a first refrigerant turn part in the capacitor of the embodiment.

【図4】従来のカーエアコン用コンデンサを示す正面図
である。
FIG. 4 is a front view showing a conventional condenser for a car air conditioner.

【図5】従来のコンデンサの冷媒回路構成を示す正面図
である。
FIG. 5 is a front view showing a refrigerant circuit configuration of a conventional condenser.

【符号の説明】[Explanation of symbols]

11…ヘッダー 11a…冷媒入口 11b…冷媒出口 12…扁平チューブ(熱交換チューブ) 16…仕切部材 21…流路制限板 22…冷媒吹き上げ管 22a…上端開口部 22b…下端開口部 P1〜P4…第1ないし第4パス T1〜T3…第1ないし第3冷媒ターン部 DESCRIPTION OF SYMBOLS 11 ... Header 11a ... Refrigerant inlet 11b ... Refrigerant outlet 12 ... Flat tube (heat exchange tube) 16 ... Partition member 21 ... Flow path restriction plate 22 ... Refrigerant blow-up tube 22a ... Upper opening 22b ... Lower opening P1-P4 ... 1st to 4th passes T1 to T3 ... first to third refrigerant turn sections

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 垂直方向に沿う左右一対のヘッダー間
に、両端が両ヘッダーに連通接続される複数の熱交換チ
ューブが垂直方向に所定の間隔おきに並列状に設けら
れ、前記ヘッダーの内部に設けられた仕切部材により、
前記複数の熱交換チューブが複数のパスに区分けされた
熱交換器において、 前記ヘッダーの下部に冷媒入口が設けられるとともに、
前記ヘッダーの上部に冷媒出口が設けられ、前記冷媒入
口から流入された冷媒が前記複数のパスを順に通過して
蛇行状に上昇し、前記冷媒出口から流出されるよう構成
され、 前記ヘッダー内における少なくとも第1及び第2パス間
の冷媒ターン部に、ヘッダー内を仕切る流路制限板が設
けられるとともに、その流路制限板に冷媒吹き上げ管が
貫通状態に固定され、 前記冷媒吹き上げ管の上端開口部が、前記流路制限板の
上側に配置されるとともに、下端開口部が前記冷媒ター
ン部における下端部に配置されてなることを特徴とする
熱交換器。
1. A plurality of heat exchange tubes, both ends of which are connected to both headers, are provided in parallel at predetermined intervals in a vertical direction between a pair of left and right headers along the vertical direction. By the provided partition member,
In the heat exchanger in which the plurality of heat exchange tubes are divided into a plurality of paths, a refrigerant inlet is provided at a lower portion of the header,
A refrigerant outlet is provided at an upper portion of the header, and the refrigerant flowing in from the refrigerant inlet is configured to sequentially pass through the plurality of paths, rise in a meandering shape, and flow out of the refrigerant outlet. At least in a refrigerant turn portion between the first and second paths, a flow path restricting plate that partitions the inside of the header is provided, and a refrigerant blow-up pipe is fixed to the flow path restricting plate in a penetrating state, and an upper end opening of the refrigerant blow-up pipe A heat exchanger, wherein a portion is disposed above the flow path restricting plate, and a lower end opening is disposed at a lower end of the refrigerant turn portion.
JP2000116177A 2000-04-18 2000-04-18 Heat exchanger Pending JP2001304720A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000116177A JP2001304720A (en) 2000-04-18 2000-04-18 Heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000116177A JP2001304720A (en) 2000-04-18 2000-04-18 Heat exchanger

Publications (1)

Publication Number Publication Date
JP2001304720A true JP2001304720A (en) 2001-10-31

Family

ID=18627671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000116177A Pending JP2001304720A (en) 2000-04-18 2000-04-18 Heat exchanger

Country Status (1)

Country Link
JP (1) JP2001304720A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006064285A (en) * 2004-08-26 2006-03-09 Daikin Ind Ltd Heat exchanger
JP2008177599A (en) * 2008-03-06 2008-07-31 Sanyo Denki Co Ltd Radiator
WO2009022575A1 (en) * 2007-08-10 2009-02-19 Gac Corporation Heat exchanger
JP2014037898A (en) * 2012-08-10 2014-02-27 Daikin Ind Ltd Heat exchanger
JP2015127620A (en) * 2013-12-27 2015-07-09 ダイキン工業株式会社 Heat exchanger and air conditioning device
CN107630802A (en) * 2017-08-08 2018-01-26 江苏昊科汽车空调有限公司 The automobile air conditioner compressor of high efficient heat exchanging
CN107654350A (en) * 2017-08-08 2018-02-02 江苏昊科汽车空调有限公司 Two-way inclined plate vehicle-mounted air conditioner compressor

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006064285A (en) * 2004-08-26 2006-03-09 Daikin Ind Ltd Heat exchanger
WO2009022575A1 (en) * 2007-08-10 2009-02-19 Gac Corporation Heat exchanger
JP2009041876A (en) * 2007-08-10 2009-02-26 Gac Corp Heat exchanger
JP2008177599A (en) * 2008-03-06 2008-07-31 Sanyo Denki Co Ltd Radiator
JP4664387B2 (en) * 2008-03-06 2011-04-06 山洋電気株式会社 Radiator
JP2014037898A (en) * 2012-08-10 2014-02-27 Daikin Ind Ltd Heat exchanger
JP2015127620A (en) * 2013-12-27 2015-07-09 ダイキン工業株式会社 Heat exchanger and air conditioning device
CN107630802A (en) * 2017-08-08 2018-01-26 江苏昊科汽车空调有限公司 The automobile air conditioner compressor of high efficient heat exchanging
CN107654350A (en) * 2017-08-08 2018-02-02 江苏昊科汽车空调有限公司 Two-way inclined plate vehicle-mounted air conditioner compressor

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