JPH03286978A - Cooling and heating apparatus - Google Patents
Cooling and heating apparatusInfo
- Publication number
- JPH03286978A JPH03286978A JP8951990A JP8951990A JPH03286978A JP H03286978 A JPH03286978 A JP H03286978A JP 8951990 A JP8951990 A JP 8951990A JP 8951990 A JP8951990 A JP 8951990A JP H03286978 A JPH03286978 A JP H03286978A
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- heat source
- heat
- solenoid valve
- opening
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 title claims description 7
- 238000010257 thawing Methods 0.000 claims abstract description 9
- 238000004378 air conditioning Methods 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 abstract description 12
- 238000009423 ventilation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Defrosting Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は空冷式ヒートポンプ空気調和装置の冷媒回路
構成と除籍の方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a refrigerant circuit configuration and a method for removing the register of an air-cooled heat pump air conditioner.
１Ｆ！２図は従来の空冷式ヒートホンプ空気調和装置を
示す冷媒回路図であり、図において（１）は容量制御轡
託付圧縮恢、（２）は熱源側熱交換器、（４）は暖房用
膨張装置、（６；は冷房用膨張装置、（７）は利用側訃
又Ｎ器、（８）は四方弁である。なお、矢印は実線が冷
房運転時の冷媒の流れ方向、破線が暖房ａ転時の冷媒の
流れ方向を示す。1F! Figure 2 is a refrigerant circuit diagram showing a conventional air-cooled heat pump air conditioner. In the figure, (1) is a capacity control compressor, (2) is a heat exchanger on the heat source side, and (4) is a heating expansion device. , (6; is an expansion device for cooling, (7) is a user-side N unit, and (8) is a four-way valve.The solid line indicates the flow direction of the refrigerant during cooling operation, and the broken line indicates the heating A switch. Indicates the flow direction of the refrigerant at the time.
次に創作について説明する。暖房運転時には圧縮−（１
）によって圧扁された高温高圧の冷媒ガスが利用側熱交
換器（７）で放熱し凝縮し、暖房用ＷＥ張弁（４）で減
圧され熱源側熱交換器（２］で吸熱蒸発し、四方弁（８
）を逗って圧縮＊ （ｉ）に吸い込まれる。このとき熱
源側熱交換器（２）に１１１１！する。Next, I will explain about the creation. Compression during heating operation - (1
) The high-temperature, high-pressure refrigerant gas compressed by the user side heat exchanger (7) radiates heat and condenses, is depressurized by the heating WE expansion valve (4), and endothermically evaporates in the heat source side heat exchanger (2). Four-way valve (8
) is compressed * Sucked into (i). At this time, the heat source side heat exchanger (2) receives 1111! do.
このｌｉ霜を着ｌ！検知器で検出し、冷媒回路を冷房運
転回路に切り換え、熱源側熱交換器（２」を凝縮器にし
利用側熱交換器（７）を蒸発器にすることにより除霜を
行う。Wear this frost! Defrosting is performed by detecting with a detector, switching the refrigerant circuit to the cooling operation circuit, and making the heat source side heat exchanger (2) a condenser and the usage side heat exchanger (7) an evaporator.
従来の空冷式ヒートポンプ空気調和装置は以上のように
ｓ’１ｉされているので＃躍運転時Ｊこは冷房運転回路
となり、利用側熱交換器から吸熱するため暖房運転を停
止する必要があるなどの課題があった。Conventional air-cooled heat pump air conditioners are configured as described above, so during active operation, the circuit becomes a cooling operation circuit, and heating operation must be stopped because heat is absorbed from the heat exchanger on the user side. There was a problem.
この発明は上記のような課題を鯉消するためになされた
もので、圧縮機が＠量制御運転し、外ｇ、湿温度設定値
より高い場合には熱源側熱交換器を切り換えることによ
り暖房運転を停止することＩｔ ＜除霜運転を可能とし
た空冷式ヒートポンプ空気調和装置を得ることを目的と
する。This invention was made in order to eliminate the above-mentioned problems.The compressor performs @quantity control operation, and when the outside g and humidity temperature is higher than the set value, the heat exchanger on the heat source side is switched. It is an object of the present invention to obtain an air-cooled heat pump air conditioner that enables defrosting operation.
この発明に係る冷暖房装置は、熱源側熱交換器をｌｌ数
に分割し、各々冷媒の流通を開閉できるように接線ガス
管に開閉弁を設けたものである。In the air-conditioning device according to the present invention, the heat source side heat exchanger is divided into 11 parts, each of which is provided with an on-off valve on the tangential gas pipe so as to open and close the flow of refrigerant.
この発明における冷暖房装置における除霜運転は圧縮機
が容置制御運転し、さらに外気温度が設定値より高い場
合には熱源側熱交換器を切り換えて運転することにより
暖房運転を停止せずＩこ熱ｇａｓ交換器の除霜を行う。In the defrosting operation of the air conditioning system in this invention, the compressor performs capacity control operation, and when the outside air temperature is higher than a set value, the heat exchanger on the heat source side is switched and operated, so that the heating operation is not stopped. Defrost the thermal gas exchanger.
以下この発明の一実＃沙・を□についてｆＧ２８）３す
る。第１−において＋２１はＩ！ｌの熱源側熱交換器（
３）は第２の熱源側熱交換器、（４）は第１の暖房用膨
張装置、（５）は！！２の暖房用膨張装置、（９）は第
１の熟＃側熱交決器のガス智に設けた開閉電磁弁、αＱ
は第２の熱＃＃！Ｉ熱交換器のガス管に設けた開閉電磁
弁、ａｌｌは外気温度の検出器である。Hereinafter, one of the fruits of this invention will be described as fG28)3 for □. +21 in the 1st - is I! l heat source side heat exchanger (
3) is the second heat source side heat exchanger, (4) is the first heating expansion device, and (5) is! ! 2 heating expansion device, (9) is an opening/closing solenoid valve installed in the gas position of the first heat exchanger, αQ
The second fever ##! The opening/closing solenoid valve provided in the gas pipe of the I heat exchanger, all, is a detector for the outside temperature.
他の符号のものは第２図に示した従来のものと同じであ
るので説明は省略する。Since the other reference numerals are the same as the conventional one shown in FIG. 2, the explanation will be omitted.
次に動作について説明する。１１Ｍ運転中で圧縮機ｆｌ
）が容置制御運転時には第１の開閉電磁弁（９）を開、
第２の開閉電磁弁Ｑａを閉とし、第】の熱源側熱交換（
２）を使用し、この第１の熱ｆＩｉ側熱交換器（２）に
１１％Ｅが検出され、しかも外気温度が外気温度検出器
の設定値より高い場合にはｆｆ１１の開閉電磁弁（９）
を閉、第２の開閉電磁弁αｑを開とすることＩこより第
１の熱源側熱交換器への冷媒の流通を停止し、通風のみ
を行うことｌζよって除霜を行う。このとき第２の熱源
側熱交換器が停年できるので暖房運転を停止することな
く彰けることができる。なｔ、゛、第２のＰＡｓ側熱交
捧器に着霜した場合は、上記と逆の動作で第１の熱源側
熱交換器に切り換える。Next, the operation will be explained. Compressor fl is running at 11M
) opens the first on-off solenoid valve (9) during capacity control operation,
The second on-off solenoid valve Qa is closed, and the heat source side heat exchanger (
2), and when 11%E is detected in this first heat fIi side heat exchanger (2) and the outside air temperature is higher than the set value of the outside air temperature detector, the on/off solenoid valve (9) of ff11 is activated. )
defrosting is performed by closing the second opening/closing solenoid valve αq, thereby stopping the flow of refrigerant to the first heat source side heat exchanger, and performing only ventilation. At this time, the second heat source side heat exchanger can be stopped, so heating operation can be continued without stopping. If frost forms on the second PAs side heat exchanger, switch to the first heat source side heat exchanger by performing the operation opposite to the above.
なお、上記実施例は熱源側熱交換器を２分割し、交互Ｉ
こ＃霜するものを示した力ｔ２分割以上の複数に分割し
順次除霜を行うものでもよい。In addition, in the above embodiment, the heat source side heat exchanger is divided into two, and the
It is also possible to divide the defrosting force into a plurality of parts, each of which is equal to or more than t2, and to defrost them one after another.
また、上記実施例は空気調和装置について説明したが利
用６１！ｌ熱交喚器は水または不凍液を使用する冷凍袋
口でもよい。In addition, although the above embodiment described an air conditioner, the usage is 61! l The heat exchanger may be a freezer bag opening using water or antifreeze.
以上のように、この発明によれば熱源側熱交換器をＩＩ
Ｉｔζ分割し暖房と除霜を同時にでき、暖房運転を停止
させずに除層ができるように構成したもので、連続した
暖房運転ができ、室温の変化が少なく快適な暖房が得ら
れる効果がある。As described above, according to the present invention, the heat source side heat exchanger is
It is structured so that heating and defrosting can be performed at the same time by dividing the heating system, and delayering can be performed without stopping heating operation, allowing for continuous heating operation and providing comfortable heating with little change in room temperature. .
柔１図はこの発明の一実施例による冷暖房装置を示す冷
媒配管系統図、第２図は従来の冷暖房装置を示す冷媒配
管系統図である。
（１）は圧縮御、（２） （３）は財源側熱交Ｆ器、（
４１（５＋は暖房用膨張装置、（６）は冷房用＃；＠装
置、（７）は利用側熱交換器、（８）は四方弁、（９１
ＱＯは開閉ｗｌ電磁弁ａＩＩは温度検出器。
なお、回申、同一符号は同一または相当り分を示す。Figure 1 is a refrigerant piping system diagram showing an air conditioning system according to an embodiment of the present invention, and Fig. 2 is a refrigerant piping system diagram showing a conventional air conditioning system. (1) is the compression control, (2) and (3) is the heat exchanger on the financial side, (
41 (5+ is expansion device for heating, (6) is #@ device for cooling, (7) is user side heat exchanger, (8) is four-way valve, (91
QO is open/close wl solenoid valve aII is temperature detector. In addition, the same reference numerals indicate the same or equivalent parts.
Claims (1)
換器を順次配管で連結して成る冷暖房装置において、熱
源側熱交換器を複数に分割するとともに、各々のガス側
接続配管に電磁弁を設け、圧縮機が容量制御運転を行う
場合は熱源側熱交換器を片側ずつ使用するように電磁弁
の開閉を可能に構成し、暖房で圧縮機が容量制御運転中
に熱源側熱交換器に着霜を検知し、さらに外気温度が設
定値以上であれば熱源側熱交換器を切り替え、着霜した
熱交換器をオフサイクルデフロスト可能にしたことを特
徴とする冷暖房装置。In an air conditioning system that consists of a compressor, a four-way valve, a heat exchanger on the heat source side, and a heat exchanger on the expansion mechanism side connected in sequence through piping, the heat source side heat exchanger is divided into multiple parts, and each gas side connection piping is A solenoid valve is installed, and when the compressor performs capacity control operation, the solenoid valve is configured to open and close so that the heat source side heat exchanger is used on one side at a time. A heating and cooling system that detects frost on an exchanger, switches the heat exchanger on the heat source side if the outside air temperature is higher than a set value, and enables off-cycle defrosting of the frosted heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8951990A JPH03286978A (en) | 1990-04-03 | 1990-04-03 | Cooling and heating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8951990A JPH03286978A (en) | 1990-04-03 | 1990-04-03 | Cooling and heating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03286978A true JPH03286978A (en) | 1991-12-17 |
Family
ID=13973047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8951990A Pending JPH03286978A (en) | 1990-04-03 | 1990-04-03 | Cooling and heating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03286978A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007051825A (en) * | 2005-08-18 | 2007-03-01 | Matsushita Electric Ind Co Ltd | Air-conditioner |
| JP2013040694A (en) * | 2011-08-11 | 2013-02-28 | Daikin Industries Ltd | Refrigeration device |
| JP2014066420A (en) * | 2012-09-26 | 2014-04-17 | Hitachi Appliances Inc | Freezer |
| JPWO2015118580A1 (en) * | 2014-02-10 | 2017-03-23 | 三菱電機株式会社 | Heat pump type water heater |
-
1990
- 1990-04-03 JP JP8951990A patent/JPH03286978A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007051825A (en) * | 2005-08-18 | 2007-03-01 | Matsushita Electric Ind Co Ltd | Air-conditioner |
| JP2013040694A (en) * | 2011-08-11 | 2013-02-28 | Daikin Industries Ltd | Refrigeration device |
| JP2014066420A (en) * | 2012-09-26 | 2014-04-17 | Hitachi Appliances Inc | Freezer |
| JPWO2015118580A1 (en) * | 2014-02-10 | 2017-03-23 | 三菱電機株式会社 | Heat pump type water heater |
| EP3106773A4 (en) * | 2014-02-10 | 2017-09-13 | Mitsubishi Electric Corporation | Heat pump hot water supply device |
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