JPH0755295A - Heat exchanger - Google Patents

Heat exchanger

Info

Publication number
JPH0755295A
JPH0755295A JP20414693A JP20414693A JPH0755295A JP H0755295 A JPH0755295 A JP H0755295A JP 20414693 A JP20414693 A JP 20414693A JP 20414693 A JP20414693 A JP 20414693A JP H0755295 A JPH0755295 A JP H0755295A
Authority
JP
Japan
Prior art keywords
header
heat exchanger
capillary
capillary tube
moving
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
JP20414693A
Other languages
Japanese (ja)
Inventor
Akihiro Itani
明広 井谷
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP20414693A priority Critical patent/JPH0755295A/en
Publication of JPH0755295A publication Critical patent/JPH0755295A/en
Pending legal-status Critical Current

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  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

PURPOSE:To defrost without reversing a refrigerating cycle by moving a header in which one of a capillary tube group formed by disposing a plurality of capillary tubes in parallel is connected, and applying a vibration to the tube to shake off frost adhered to a surface of the tube. CONSTITUTION:A metal capillary tube 1 is spirally formed. A plurality of the tubes 1 are disposed in parallel to form a capillary tube group 2, one end of which is connected to a stationary header 3 and the other end of which is connected to a movable header 4 provided vertically movably. The header 4 is formed of a magnetic material, and two electromagnets 5 each for sucking to move the header 4 above the header 4 are provided fixedly on the right and left sides.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、金属製の毛細管を螺旋
状に成型しこの毛細管を複数本並列に配置して毛細管群
を形成してなる熱交換器に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat exchanger in which metal capillaries are spirally formed and a plurality of capillaries are arranged in parallel to form a capillary group.

【0002】[0002]

【従来の技術】従来の熱交換器の一例を図3とともに説
明する。近年、ルームエアコンの室内器のコンパクト化
に伴い、高効率でしかもコンパクトな熱交換器が要求さ
れ、図3に示すように金属製の毛細管21を螺旋状に成
型しこの毛細管21を複数本並列に配置して毛細管群2
2を形成し、該毛細管群22の両端を上部ヘッダ23及
び下部ヘッダ24に接続し、該上部ヘッダ23に流入口
25を設け、下部ヘッダ24に流出口26を設けて熱交
換器27を形成した。
2. Description of the Related Art An example of a conventional heat exchanger will be described with reference to FIG. In recent years, as indoor units of room air conditioners have become more compact, highly efficient and compact heat exchangers have been required. As shown in FIG. 3, metal capillaries 21 are spirally formed and a plurality of these capillaries 21 are arranged in parallel. Placed in the capillary group 2
2, both ends of the capillary group 22 are connected to the upper header 23 and the lower header 24, the upper header 23 is provided with an inflow port 25, and the lower header 24 is provided with an outflow port 26 to form a heat exchanger 27. did.

【0003】上記構成の熱交換器であれば、熱交換器を
円弧状等に屈曲形成することが可能で、熱交換器をコン
パクトにすることができるが、エアコン運転中に熱交換
を行っていると毛細管の表面に霜が付着することがあ
り、この霜を除霜するために冷凍サイクルを逆転させ、
流入口から温度の高い冷媒を流し、毛細管内を通り流出
口へと冷媒が流れるように制御を行い、毛細管の表面に
ついた霜を冷媒の熱により溶かして取り除くようにして
いた。
With the heat exchanger having the above structure, the heat exchanger can be bent in an arc shape or the like, and the heat exchanger can be made compact. However, heat exchange is performed during operation of the air conditioner. If there is frost on the surface of the capillary tube, reverse the refrigeration cycle to defrost this frost,
The refrigerant having a high temperature is made to flow from the inflow port, and is controlled so as to flow through the capillary tube to the outflow port so that the frost on the surface of the capillary tube is melted and removed by the heat of the refrigerant.

【0004】[0004]

【発明が解決しようとする課題】上記構成においては、
毛細管の表面に霜が付着した際に冷凍サイクルを逆転さ
せて除霜を行う間、毛細管の間に空気を送風して熱交換
を行うためのファンの動作を停止させる必要があるた
め、この間熱交換を行うことができず室内温度の調節を
行うことができなかった。
In the above configuration,
When defrosting is performed by reversing the refrigeration cycle when frost adheres to the surface of the capillaries, it is necessary to blow air between the capillaries to stop the operation of the fan for heat exchange. It was not possible to replace it and it was not possible to control the room temperature.

【0005】本発明の熱交換器は上記の目的に鑑みなさ
れたものであり、毛細管を複数本並列に配置して形成し
た毛細管群の一方が接続されたヘッダを移動させ、毛細
管に振動を与えて毛細管表面に付着した霜を振り落とす
ことにより、冷凍サイクルを逆転させることなく除霜を
行うことを目的とするものである。
The heat exchanger of the present invention has been made in view of the above-mentioned object, and a header to which one of a group of capillaries formed by arranging a plurality of capillaries in parallel is connected is moved to give vibration to the capillaries. The purpose of this is to remove the frost adhering to the surface of the capillary tube to remove the frost without reversing the refrigeration cycle.

【0006】[0006]

【課題を解決するための手段】上記の目的を達成するた
めに本発明の熱交換器は、金属製の毛細管を螺旋状に成
型しこの毛細管を複数本並列に配置して毛細管群を形成
し、この毛細管群の一端を固定ヘッダに接続するととも
に他端を垂直方向に移動可能に設けられた移動ヘッダに
接続し、該移動ヘッダを垂直方向へ移動させるヘッダ移
動装置を設けている。
In order to achieve the above-mentioned object, the heat exchanger of the present invention forms a capillary group by spirally molding metal capillaries and arranging a plurality of these capillaries in parallel. A header moving device is provided which connects one end of the capillary group to a fixed header and the other end to a moving header that is vertically movable, and moves the moving header in the vertical direction.

【0007】[0007]

【作用】上記構成の熱交換器は、ヘッダ移動装置により
移動ヘッダを移動させ毛細管に振動を与えて毛細管表面
に付着した霜を振り落として除霜を行う。
In the heat exchanger having the above structure, the header moving device moves the moving header to vibrate the capillary to shake off the frost adhering to the surface of the capillary for defrosting.

【0008】[0008]

【実施例】本発明の熱交換器の一実施例を図1とともに
説明する。本発明の熱交換器は、金属製の毛細管1を螺
旋状に成型しこの毛細管1を複数本並列に配置して毛細
管群2を形成し、この毛細管群2の一端を固定ヘッダ3
に接続するとともに他端を垂直方向に移動可能に設けら
れた移動ヘッダ4に接続している。該移動ヘッダ4は磁
性体により形成され、該移動ヘッダ4の上方約10mm程
度間隔を開けて上記移動ヘッダ4を吸引し移動させる電
磁石5を左右に2個固定して設けている。そして、上記
移動ヘッダ4には流入口6が設けられ、上記固定ヘッダ
3には流出口7が設けられている。
DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the heat exchanger of the present invention will be described with reference to FIG. In the heat exchanger of the present invention, a metal-made capillary tube 1 is formed into a spiral shape, and a plurality of the capillary tubes 1 are arranged in parallel to form a capillary tube group 2. One end of the capillary tube group 2 is fixed to a fixed header 3
And the other end is connected to a moving header 4 provided so as to be vertically movable. The moving header 4 is formed of a magnetic material, and two electromagnets 5 for attracting and moving the moving header 4 are fixedly provided on the left and right sides with an interval of about 10 mm above the moving header 4. The moving header 4 is provided with an inflow port 6, and the fixed header 3 is provided with an outflow port 7.

【0009】上記構成の熱交換器の動作を説明すると、
エアコンの運転中に毛細管1の表面に霜が付着すると、
この霜の付着を検知して電磁石5へ通電を行い移動ヘッ
ダ4を吸引し、該移動ヘッダ4を上方へ移動させる。電
磁石5への通電を停止して電磁力の付勢をなくすと移動
ヘッダ4は毛細管1自身の力に元の状態(下方へ移動)
へ戻る。このとき、移動ヘッダ4が元の状態に復帰する
のは、毛細管1を螺旋状に成型しているためであり、こ
の毛細管1がバネの働きを行い移動ヘッダ4が元の状態
に復帰する。
The operation of the heat exchanger thus constructed will be described below.
If frost adheres to the surface of the capillary tube 1 during operation of the air conditioner,
When the adherence of frost is detected, the electromagnet 5 is energized to attract the moving header 4 and move the moving header 4 upward. When the energization of the electromagnet 5 is stopped and the energization of the electromagnetic force is removed, the moving header 4 is in the original state (moved downward) due to the force of the capillary tube 1 itself.
Return to. At this time, the moving header 4 returns to its original state because the capillary tube 1 is formed in a spiral shape, and the capillary tube 1 acts as a spring to return the moving header 4 to its original state.

【0010】そして、再度電磁石5への通電と停止を繰
り返し行い、電磁石5へ断続的に通電を行うことによ
り、毛細管1は振動して毛細管1の表面に付着した霜を
振り落とす。したがって、毛細管1表面に付着した霜の
除霜のために冷凍サイクルを逆転させることなく、熱交
換を続けて行うことができ、室内温度の調整を確実に行
うことができる。
The electromagnet 5 is repeatedly energized and stopped again, and the electromagnet 5 is intermittently energized to vibrate the capillary 1 to shake off the frost adhering to the surface of the capillary 1. Therefore, the heat exchange can be continuously performed without reversing the refrigeration cycle for defrosting the frost adhering to the surface of the capillary tube 1, and the indoor temperature can be reliably adjusted.

【0011】また、本発明の熱交換器の他の実施例を図
2とともに説明する。本発明の熱交換器の他の実施例は
図2に示すように、移動ヘッダ4上に第1連結棒8を固
定し、その中央部分に結合孔9を穿設し、この結合孔9
に第2連結棒10の一端を接続し、該第2連結棒10の
他端にモータ11の回転軸12を接続している。
Another embodiment of the heat exchanger of the present invention will be described with reference to FIG. In another embodiment of the heat exchanger of the present invention, as shown in FIG. 2, a first connecting rod 8 is fixed on a moving header 4 and a connecting hole 9 is formed in the central portion thereof.
Is connected to one end of the second connecting rod 10, and the rotating shaft 12 of the motor 11 is connected to the other end of the second connecting rod 10.

【0012】上記構成の熱交換器の動作を説明すると、
エアコンの運転中に毛細管1の表面に霜が付着すると、
この霜の付着を検知してモータ11へ通電を行い、モー
タ11の回転力を第2連結棒10,第1連結棒8を介し
て移動ヘッダ4へ伝達し、該移動ヘッダ4を垂直方向へ
移動させる。この移動により毛細管1は振動して毛細管
1の表面に付着した霜を振り落とす。したがって、毛細
管1表面に付着した霜の除霜のために冷凍サイクルを逆
転させることなく、熱交換を続けて行うことができ、室
内温度の調整を確実に行うことができる。
The operation of the heat exchanger thus constructed will be described below.
If frost adheres to the surface of the capillary tube 1 during operation of the air conditioner,
The adhesion of the frost is detected and the motor 11 is energized, the rotational force of the motor 11 is transmitted to the moving header 4 via the second connecting rod 10 and the first connecting rod 8, and the moving header 4 is moved vertically. To move. By this movement, the capillary 1 vibrates and shakes off the frost adhering to the surface of the capillary 1. Therefore, the heat exchange can be continuously performed without reversing the refrigeration cycle for defrosting the frost adhering to the surface of the capillary tube 1, and the indoor temperature can be reliably adjusted.

【0013】上記のようにモータ11を用いて毛細管1
を振動させる構成は、上記の一実施例の電磁石5を用い
るものに比べ、連結棒8,10等の部品点数が増えスペ
ースを必要とするが、電磁石5を用いるもののように電
磁石5への通電を断続させるための制御回路を必要とせ
ず、モータ11へ継続して通電を行いモータ11を回転
させるだけでよい。
As described above, using the motor 11, the capillary tube 1
The structure for vibrating the motor requires more space than the one using the electromagnet 5 of the above-described embodiment, which requires more space for the connecting rods 8 and 10, but energizes the electromagnet 5 like the one using the electromagnet 5. A control circuit for connecting and disconnecting the motor 11 is not required, and it suffices to continuously energize the motor 11 and rotate the motor 11.

【0014】[0014]

【発明の効果】本発明の熱交換器は上記のような構成で
あるから、毛細管を振動させて毛細管の表面に付着した
霜を除霜することができるため、冷凍サイクルを逆転さ
せる必要がなく、熱交換を続けておこなうことができ、
室内温度を設定温度に一定に張設することができる。
Since the heat exchanger of the present invention is constructed as described above, it is possible to vibrate the capillaries to defrost the frost adhering to the surface of the capillaries, so that there is no need to reverse the refrigeration cycle. , Heat exchange can be continued,
The room temperature can be set to a set temperature constantly.

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

【図1】本発明の熱交換器の一実施例を示す斜視図であ
る。
FIG. 1 is a perspective view showing an embodiment of a heat exchanger of the present invention.

【図2】本発明の熱交換器の他の実施例を示す斜視図で
ある。
FIG. 2 is a perspective view showing another embodiment of the heat exchanger of the present invention.

【図3】従来の熱交換器の一例を示す斜視図である。FIG. 3 is a perspective view showing an example of a conventional heat exchanger.

【符号の説明】[Explanation of symbols]

1 毛細管 2 毛細管群 3 固定ヘッダ 4 移動ヘッダ 5 電磁石 6 流入口 7 流出口 8 第1連結棒 9 結合孔 10 第2連結棒 11 モータ DESCRIPTION OF SYMBOLS 1 Capillary tube 2 Capillary tube group 3 Fixed header 4 Moving header 5 Electromagnet 6 Inlet port 7 Outlet port 8 First connecting rod 9 Coupling hole 10 Second connecting rod 11 Motor

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 金属製の毛細管を螺旋状に成型しこの毛
細管を複数本並列に配置して毛細管群を形成し、この毛
細管群の一端を固定ヘッダに接続するとともに他端を垂
直方向に移動可能に設けられた移動ヘッダに接続し、該
移動ヘッダを垂直方向へ移動させるヘッダ移動装置を設
けたことを特徴とする熱交換器。
1. A metal capillary is formed into a spiral shape and a plurality of capillaries are arranged in parallel to form a capillary group, one end of the capillary group is connected to a fixed header and the other end is moved vertically. A heat exchanger characterized by comprising a header moving device which is connected to a movable header provided so as to move the movable header in a vertical direction.
JP20414693A 1993-08-18 1993-08-18 Heat exchanger Pending JPH0755295A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20414693A JPH0755295A (en) 1993-08-18 1993-08-18 Heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20414693A JPH0755295A (en) 1993-08-18 1993-08-18 Heat exchanger

Publications (1)

Publication Number Publication Date
JPH0755295A true JPH0755295A (en) 1995-03-03

Family

ID=16485602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20414693A Pending JPH0755295A (en) 1993-08-18 1993-08-18 Heat exchanger

Country Status (1)

Country Link
JP (1) JPH0755295A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020094153A (en) * 2001-06-11 2002-12-18 엘지전자 주식회사 a tube of heat exchanger
US20090188658A1 (en) * 2008-01-30 2009-07-30 The Trustees Of Dartmouth College Compact Helical Heat Exchanger With Stretch To Maintain Airflow
US20140283541A1 (en) * 2011-08-25 2014-09-25 Zhengyi Feng Building built-in air conditioning system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020094153A (en) * 2001-06-11 2002-12-18 엘지전자 주식회사 a tube of heat exchanger
US20090188658A1 (en) * 2008-01-30 2009-07-30 The Trustees Of Dartmouth College Compact Helical Heat Exchanger With Stretch To Maintain Airflow
US8418484B2 (en) * 2008-01-30 2013-04-16 The Trustees Of Dartmouth College Compact helical heat exchanger with stretch to maintain airflow
US20140283541A1 (en) * 2011-08-25 2014-09-25 Zhengyi Feng Building built-in air conditioning system

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