JPWO2021245734A5

JPWO2021245734A5 -

Info

Publication number: JPWO2021245734A5
Application number: JP2022529136A
Authority: JP
Filing date: 2020-06-01
Publication date: 2022-08-31
Anticipated expiration: 2040-06-01

Description

本開示に係る熱交換器は、冷媒を集配し、第１方向に延びる第１のヘッダと、第１のヘッダに対向する位置に設けられ、冷媒を集配する第１方向に延びる第２のヘッダと、第１のヘッダから第２のヘッダに向かって延び、第１方向に沿って間隔を空けて設けられた複数の伝熱部材と、を備え、伝熱部材は、第１のヘッダから第２のヘッダに向かって延び、内部に冷媒が流れる複数の伝熱管と、伝熱管に設けられ、伝熱管の伝熱性を促進する延在部と、を有し、延在部は、伝熱管から、複数の伝熱管の間に流れる空気の流れ方向である第２方向に延びる基部と、基部から第１方向に延び、隣り合う伝熱部材に当接する複数のスペーサ部と、を有し、複数のスペーサ部の先端は、それぞれ互いに向かい合うように延びている。 A heat exchanger according to the present disclosure includes a first header that collects and distributes a refrigerant and extends in a first direction, and a second header that is provided at a position facing the first header and extends in the first direction for collecting and distributing the refrigerant. and a plurality of heat transfer members extending from the first header toward the second header and spaced along the first direction, the heat transfer members extending from the first header to the second header. a plurality of heat transfer tubes extending toward the header of No. 2 and through which a refrigerant flows; and extension portions provided on the heat transfer tubes to promote heat transfer of the heat transfer tubes, and the extension portions extend from the heat transfer tubes. a base portion extending in a second direction that is a flow direction of air flowing between the plurality of heat transfer tubes; and a plurality of spacer portions extending in the first direction from the base portion and abutting adjacent heat transfer members ; The ends of the spacer portions of each extend so as to face each other .

Claims

a first header that collects and distributes a coolant and extends in a first direction;
a second header provided at a position facing the first header and extending in the first direction for collecting and distributing a coolant;
a plurality of heat transfer members extending from the first header toward the second header and provided at intervals along the first direction;
The heat transfer member is
a plurality of heat transfer tubes extending from the first header toward the second header, through which a refrigerant flows;
an extending portion provided on the heat transfer tube and promoting heat transfer of the heat transfer tube,
The extension part is
a base portion extending from the heat transfer tubes in a second direction that is the flow direction of air flowing between the plurality of heat transfer tubes;
a plurality of spacer portions extending from the base portion in the first direction and abutting on the adjacent heat transfer members ;
The distal ends of the plurality of spacer portions extend so as to face each other.
Heat exchanger.

The spacer portion is
2. The heat exchanger according to claim 1, wherein a part of said base is bent and extends in said first direction.

The spacer portion is
3. The heat exchanger according to claim 2, wherein the base is cut in the second direction.

The spacer portion is
4. The heat exchanger according to claim 2, wherein the base portion is cut in a third direction in which the heat transfer tubes extend.

The spacer portion is
The heat exchanger according to any one of claims 1 to 4, wherein a part of the base is cut and raised to extend in the first direction.

The spacer portion is
6. The heat exchanger according to claim 5, wherein the base is cut in the second direction.

The spacer portion is
7. The heat exchanger according to claim 5, wherein the base is cut in a third direction in which the heat transfer tubes extend.

The spacer portion is
The heat exchanger according to any one of claims 5 to 7, wherein the base portion has a burring shape formed by opening a hole.

A plurality of the spacer portions are provided,
The heat exchanger according to any one of claims 1 to 8, wherein the heat exchanger is provided at a point-symmetrical position with respect to the center of the heat transfer tube.

The spacer portion is
The heat exchanger according to any one of claims 1 to 9, which abuts on the heat transfer tubes.

The spacer portion is
The heat exchanger according to any one of claims 1 to 10, wherein the heat exchanger abuts on the extension.

The spacer portion is
The heat exchanger according to any one of claims 1 to 11, wherein the heat exchanger abuts the first header or the second header.

A plurality of the spacer portions are provided,
The heat exchanger according to any one of claims 1 to 12, wherein the heat exchanger tubes are arranged at regular intervals along a third direction in which the heat transfer tubes extend.

A plurality of the spacer portions are provided,
The heat exchanger according to any one of claims 1 to 13, wherein the number of heat transfer tubes on the leeward side is greater than the number on the windward side.

The spacer portion is
The heat exchanger according to any one of claims 1 to 14, wherein the heat exchanger has an embossed shape that is folded back after extending in the first direction.

The heat transfer tube is
The heat exchanger according to any one of claims 1 to 15, wherein a plurality of heat exchangers are provided along the second direction.

A refrigeration cycle apparatus in which the heat exchanger according to any one of claims 1 to 16 acts as a condenser or an evaporator.