JPS602847A - Heat pump type air conditioner - Google Patents
Heat pump type air conditionerInfo
- Publication number
- JPS602847A JPS602847A JP10949783A JP10949783A JPS602847A JP S602847 A JPS602847 A JP S602847A JP 10949783 A JP10949783 A JP 10949783A JP 10949783 A JP10949783 A JP 10949783A JP S602847 A JPS602847 A JP S602847A
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- air conditioner
- heat pump
- type air
- heat
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
- F25B2347/021—Alternate defrosting
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は、圧縮機、四方弁、室内側熱交換器、減圧装置
、および室外側熱交換器を連結して冷媒の閉サイクルを
形成する熱ポンプを利用した空気調和装置に関する。Detailed Description of the Invention The present invention provides an air conditioning system using a heat pump that connects a compressor, a four-way valve, an indoor heat exchanger, a pressure reduction device, and an outdoor heat exchanger to form a closed refrigerant cycle. Regarding equipment.
熱ポンプ式空気調和装置では暖房運転中に室外側熱交換
器（以下室外器という）に付着した霜を除去するため、
一時的に四方弁を切換え冷房運翫を行ったり、バイパス
を設は室外器に間欠的に高温冷媒を供給する除霜を行う
。この除霜時には室内側交換器（以下室内器という）を
通過する空気が冷却され吹出空気の温度が急降下し温風
から冷風となる。このため不快感が生じ、とくに容積の
小さい車両の車室では不快感が大きい。In heat pump type air conditioners, in order to remove frost that has adhered to the outdoor heat exchanger (hereinafter referred to as the outdoor unit) during heating operation,
Temporarily switch the four-way valve to operate the air conditioner, or install a bypass to perform defrosting by intermittently supplying high-temperature refrigerant to the outdoor unit. During defrosting, the air passing through the indoor exchanger (hereinafter referred to as the indoor unit) is cooled, and the temperature of the blown air drops rapidly, changing from hot air to cold air. This causes a sense of discomfort, especially in a vehicle cabin with a small volume.
本発明の目的は、暖房運転中に連続して温用を吹き出す
ことのできる熱ポンプ式空気調和装置の１足供にある。An object of the present invention is to provide a heat pump type air conditioner that can continuously blow out warm air during heating operation.
本発明の熱ポンプ式空気調和装置は、圧縮機、四方弁、
室内側熱交換器、減圧装置、および室外側熱交換器を連
結して冷媒の閉サイクルを形成する熱ポンプ式空気調和
装置において、室外側熱交換器を並列した２つの熱交換
器で構成し、暖房運転時には交互に一方の熱交換器で熱
交換を行い、他方の熱交換器で除霜を行うことを骨子と
する。The heat pump air conditioner of the present invention includes a compressor, a four-way valve,
In a heat pump air conditioner that connects an indoor heat exchanger, a pressure reduction device, and an outdoor heat exchanger to form a closed refrigerant cycle, the outdoor heat exchanger is configured with two parallel heat exchangers. During heating operation, the main idea is to alternately exchange heat with one heat exchanger and defrost with the other heat exchanger.
本発明の効果は、熱ポンプ式空気調和装置において上記
構成に−より暖房運転中に連続して温風を吹き出すこと
のできるようにしたことにある。An advantage of the present invention lies in that the heat pump type air conditioner can continuously blow out hot air during heating operation due to the above-mentioned configuration.
つぎに本発明を図に示す実施例に基づき説明する。Next, the present invention will be explained based on embodiments shown in the drawings.
第１図にａ３いて、１は自動車用熱ポンプ式空気調和装
置を示し、１１は自動車エンジン（図示せず）によりＴ
１磁クラッチ１２を介して駆動され熱媒体である作動流
体（冷媒）を圧縮する圧縮機、１３は該圧縮機１１の吐
出側に設けられた四方弁（電磁切換弁）、１４は車両の
単室側に装着される室内器、１５は空気を室内器１４を
通過させ車室へ吹出させるための送風ファン、１６は冷
媒の断熱的減圧膨張装置であるキャピラリチューブ、２
は車両のエンジンルームの前部などに装着される室外器
、１７は圧縮機１の吸入側に設けられ圧縮機１へ吸込ま
れる冷媒を気相と液相とに分離し気相冷媒のみが圧縮機
１に吸い込まれるようにするためのアギュムレー室外器
２は、第１熱交換器２１、該第１熱交換器と並列された
第２熱交換器２２、前記第１熱交換器２１への冷媒分枝
流路２３に設けられた第１電磁弁２４、前記第２熱交換
器２２への冷媒分枝流路２５に設Ｃｔられた第２電磁弁
２６、および前記第１熱交換器２１と第２熱交換器２２
の送風ファン２７．２８からなる。In Fig. 1, at a3, 1 indicates a heat pump type air conditioner for an automobile, and 11 indicates an automobile engine (not shown).
1 A compressor that is driven via a magnetic clutch 12 and compresses a working fluid (refrigerant) that is a heat medium; 13 is a four-way valve (electromagnetic switching valve) provided on the discharge side of the compressor 11; 14 is a four-way valve of the vehicle; An indoor unit mounted on the room side; 15, a blower fan for blowing air through the indoor unit 14 and into the cabin; 16, a capillary tube that is an adiabatic decompression expansion device for refrigerant; 2;
17 is an outdoor unit installed in the front of the engine room of a vehicle, and 17 is installed on the suction side of the compressor 1 to separate the refrigerant sucked into the compressor 1 into a gas phase and a liquid phase, so that only the gas phase refrigerant is produced. The Agumuley outdoor unit 2 to be sucked into the compressor 1 includes a first heat exchanger 21, a second heat exchanger 22 parallel to the first heat exchanger, and a second heat exchanger 22 connected to the first heat exchanger 21. A first solenoid valve 24 provided in the refrigerant branch flow path 23 , a second solenoid valve 26 provided in the refrigerant branch flow path 25 to the second heat exchanger 22 , and the first heat exchanger 21 and second heat exchanger 22
It consists of a blower fan 27.28.
第２図は第１図に示した熱ポンプ式空気調和装置の電気
制御装置３を示す。FIG. 2 shows the electric control device 3 of the heat pump type air conditioner shown in FIG.
３１はバッテリー、３２は単室の前面パネルに設番ノら
れた熱ポンプ式空気調和装置のメインスイッチである電
源スィッチ、３３は前記前面パネルに設（ブられ熱ポン
プ式空気調和装置１の冷房運転と暖房運転とを切換える
切換スイッチ、１３は電磁切換弁である前記四方弁、３
４はタイマ、３５はタイマ３４の出力で作動する切換ス
イッチである。31 is a battery, 32 is a power switch which is the main switch of the heat pump type air conditioner installed on the front panel of the single room, and 33 is a power switch which is the main switch of the heat pump type air conditioner 1 installed on the front panel. a changeover switch for switching between operation and heating operation; 13 is the four-way valve, which is an electromagnetic changeover valve; 3;
4 is a timer, and 35 is a changeover switch operated by the output of the timer 34.
この電気制御回路３は、電源スイッチ３２がＯＮされる
と電磁クラッチ１２が係合されて圧縮機１１が駆動され
るとともに送風ファン１５．２１．２２が駆動される。In this electric control circuit 3, when the power switch 32 is turned on, the electromagnetic clutch 12 is engaged, the compressor 11 is driven, and the blower fans 15, 21, and 22 are driven.
切替スイッチ３３が冷房運転がねＳｌに設定したとぎは
、四方弁１３およびタイマ３４は通電されず、冷媒は第
１図に示した矢印六方向に流れて冷房運転される。切替
スイッチ３３が暖房運転がりＳ２に設定されたときは、
四方弁１３が通電されて冷媒は第１図に示した矢印Ｂ方
向に流れて暖房運転が行われる。同時にタイマ３４が始
動して一定の周期（たとえば１０分間周期）で切替スイ
ッチ３５を反転ざＵ電磁弁２３と２５とを交互に開閉さ
せる。When the changeover switch 33 sets the cooling operation to S1, the four-way valve 13 and the timer 34 are not energized, and the refrigerant flows in the six directions of the arrows shown in FIG. 1 to perform the cooling operation. When the selector switch 33 is set to heating operation S2,
The four-way valve 13 is energized, the refrigerant flows in the direction of arrow B shown in FIG. 1, and heating operation is performed. At the same time, the timer 34 is started and the changeover switch 35 is reversed at a fixed cycle (for example, every 10 minutes) to open and close the solenoid valves 23 and 25 alternately.
この熱ポンプ式空気調和装置１はつぎのように作動され
る。This heat pump type air conditioner 1 is operated as follows.
イ）冷房運転
四方弁１３は非通電され、冷媒は実線で示す矢印六方向
に流れるよう設定され、第１電磁弁２４および第２電磁
弁２６は常時開状態が維持され、送風ファン１５．２７
．２８は全て駆動される。これにより通常の冷媒ザイク
ルが行なわれ、冷媒は第１および第２の熱交換器２１お
よび２２の双方で冷却液化され、液化された冷媒はキャ
ピラリーチューブ１６で断熱膨張して減圧され、室内器
１４に供給される。室内器１４では送風ファン１５によ
る送風との熱交換がなされ、四方弁１３を経てアキュム
レータ１７へ流入する。冷媒の過冷却が生じたときは一
方の電磁弁を閉じ、１つの熱交換器で熱交換を行なう６
０）暖房運転
四方弁１３は通電されζ冷媒は破線で承り矢印Ｂ方向に
流れるよう設定される。第１電磁弁２４および第２電磁
弁２６は後記する電気制御装置により交互に開閉され、
開状態にある電磁弁がわの熱交換器において熱交換がな
され、閉状態にある電磁弁がわの熱交換器では冷媒の供
給が停止された状態で送風ファンにより外表面に付着し
た霜の除霜が行われる。b) Cooling operation The four-way valve 13 is de-energized, the refrigerant is set to flow in six directions indicated by solid lines, the first solenoid valve 24 and the second solenoid valve 26 are kept open at all times, and the blower fan 15.27
．． 28 are all driven. As a result, a normal refrigerant cycle is performed, and the refrigerant is cooled and liquefied in both the first and second heat exchangers 21 and 22, and the liquefied refrigerant is adiabatically expanded and depressurized in the capillary tube 16, and the indoor unit 14 supplied to In the indoor unit 14 , heat is exchanged with the air blown by the blower fan 15 , and the air flows into the accumulator 17 via the four-way valve 13 . When supercooling of the refrigerant occurs, one solenoid valve is closed and heat exchange is performed using one heat exchanger6.
0) Heating operation The four-way valve 13 is energized and the ζ refrigerant is set to flow in the direction of arrow B as indicated by the broken line. The first solenoid valve 24 and the second solenoid valve 26 are alternately opened and closed by an electric control device to be described later.
Heat is exchanged in the heat exchanger next to the solenoid valve in the open state, and in the heat exchanger next to the solenoid valve in the closed state, the frost that has adhered to the outer surface is removed by the blower fan while the refrigerant supply is stopped. Defrosting is performed.
この構成は比較的寒冷でない（冬でも昼間なら０℃以上
）地域での使用に対して有利に適用されるものであり、
一定時間毎に自動的に切替る方式にて確実に除霜ができ
充分使用に耐え得ることを確認した。This configuration is advantageously applied to areas where it is relatively not cold (over 0°C during the daytime even in winter).
It was confirmed that defrosting can be reliably performed using a method that automatically switches over at fixed intervals, and that it is durable enough for use.
第３図は第１図に系した熱ポンプ式空気調和装回を建築
機械車両に実施した場合の主要部分の配置図（レイアウ
ト）である。FIG. 3 is a layout of the main parts when the heat pump type air conditioner system shown in FIG. 1 is implemented in a construction machinery vehicle.
第１図と同一符号は同一物を示す。このレイアウトでは
、第１熱交換器２１、第２熱交換器２２、送風用ファン
２７．２８、これらのファン駆動用モータ２７Ｍ、２８
Ｍ、圧縮機１１、アキュムレータ１７、四方弁１３、お
よびそれらを接続する配管類、ならびに圧縮機１１の駆
動用の油圧モータ１８、第１Ｎ磁弁２４、第２電磁弁２
６から購成され、それぞれ宅外器のボディアングル３に
それぞれブラケットで固定されている。なお、この種の
車両では作業および走行の動力源として通常油圧を用い
るので、圧縮機１１の駆動源として油圧サーボを用いる
のが有利となる。The same reference numerals as in FIG. 1 indicate the same parts. In this layout, the first heat exchanger 21, the second heat exchanger 22, the ventilation fans 27 and 28, and the motors 27M and 28 for driving these fans.
M, compressor 11, accumulator 17, four-way valve 13, piping connecting them, hydraulic motor 18 for driving the compressor 11, first N magnetic valve 24, second solenoid valve 2
6 and each is fixed to the body angle 3 of the outdoor unit with a bracket. Note that since this type of vehicle normally uses hydraulic pressure as a power source for work and travel, it is advantageous to use a hydraulic servo as a drive source for the compressor 11.
圧縮機１１は４本のボルト３１にてボディアングル３の
中央部側方に固定され、油圧モータ１８は前記圧縮機１
１と並列してボルト３２でボディアングル３の中央部に
固定されている。圧縮ｔａ１１の入力軸１１１には電磁
クラッチ１２が内装されたプーリ １１２が装着され、
油圧モータの一出力軸１８１に装着されたプーリ １８
２とＶべ°シト１９で連結されている。The compressor 11 is fixed to the side of the center part of the body angle 3 with four bolts 31, and the hydraulic motor 18 is connected to the compressor 1.
1 and is fixed to the center of the body angle 3 with a bolt 32. A pulley 112 equipped with an electromagnetic clutch 12 is attached to the input shaft 111 of the compression TA 11.
Pulley 18 attached to one output shaft 181 of the hydraulic motor
2 and V base 19.
このＶベルト１９は油圧モータ１８の回転を圧縮機１１
に伝動する。This V-belt 19 controls the rotation of the hydraulic motor 18 to the compressor 11.
It is transmitted to.
圧縮機１１の吐出側バルブ１１２と四方弁１３は、吐出
管３４にて接続され、吸入側バルブ１１３と油圧エータ
の近傍に配置されたアキュムレータ（タンク）１７とは
吸入管３５にて接続されている。アキュムレータ１７と
四方弁１３とは低圧用配管３６［’（接続され、四方弁
１３はブラケット（図示せず）にて圧縮機１１の近傍ボ
ディアングル３に固定され−Ｃいる。四方弁１３の一方
の配管３７は室内器１４（第３図では省略）と接続され
、他方の配管３７は、２つに分校してそれぞれ第１およ
び第２室外器２１おにび２２の一端に接続された分枝管
３８および３９となっている。この第１おＪ：び第２の
室外器２１および２２はそれぞれブラケット３９にてボ
ディアングル３の両側方に固定され、その内がわにはそ
れぞれ冷却ファン２７および２８と、ファン駆動用モー
タ２７Ｍおよび２８Ｍが取（Ｊりられている。第１およ
び第２の室外交換器２１および２２の他端には前記冷媒
分枝流路２３および２５を形成づる分枝管４ｏおよび４
１が連結され、これら分校管４０および４１にはそれぞ
れブラケッ１〜にてボディアングル３の中央部に固定さ
れた第１および第２の電磁弁２４．２６が数例けられて
いる。これらの分枝管４０および４１はボディアングル
３の中央にて配管４２に統合され、減圧装置であるキト
ビラリチコーブ（第３図では省略）に接続され、さらに
室内器１４と接続されている。このレイアウトによりコ
ンパクトで搭載性に優れた熱ポンプ式空気調和装置が１
ｑられる。The discharge side valve 112 and the four-way valve 13 of the compressor 11 are connected by a discharge pipe 34, and the suction side valve 113 and an accumulator (tank) 17 arranged near the hydraulic eater are connected by a suction pipe 35. There is. The accumulator 17 and the four-way valve 13 are connected to a low-pressure pipe 36[' (not shown), and the four-way valve 13 is fixed to the body angle 3 near the compressor 11 with a bracket (not shown).One side of the four-way valve 13 The pipe 37 is connected to the indoor unit 14 (not shown in Figure 3), and the other pipe 37 is divided into two parts, each connected to one end of the first and second outdoor units 21 and 22. The first and second outdoor units 21 and 22 are respectively fixed to both sides of the body angle 3 by brackets 39, and each has a cooling fan inside. 27 and 28 and fan drive motors 27M and 28M are installed. At the other ends of the first and second outdoor exchangers 21 and 22, the refrigerant branch passages 23 and 25 are formed. Branch pipes 4o and 4
1 are connected to each other, and several first and second solenoid valves 24 and 26 are fixed to the branch pipes 40 and 41 at the center of the body angle 3 by brackets 1 to 3, respectively. These branch pipes 40 and 41 are integrated into a pipe 42 at the center of the body angle 3, connected to a decompression device called Kitobirarichikobu (not shown in Figure 3), and further connected to the indoor unit 14. . This layout allows for one heat pump type air conditioner that is compact and easy to install.
be qed.
つき゛に本発明の他の実施例を第４図および第５図に示
す。Another embodiment of the present invention is shown in FIGS. 4 and 5.
第１図および第２図と同一符号は同一物を示す。The same reference numerals as in FIGS. 1 and 2 indicate the same parts.
本実施例では冷媒分枝流路２３および２５に三方弁（電
磁切替弁）２４′および２６′を設け、圧縮機フ７の吐
出がねと該三方弁２４−および２６′の一方のポルトと
を減圧弁１９が設けられた冷媒バイパス１８により連絡
している。この三方弁２４′および２６′は通電時に図
示実線の方向に連通され、非通電時に図示破線の方向に
連通される。In this embodiment, three-way valves (electromagnetic switching valves) 24' and 26' are provided in the refrigerant branch channels 23 and 25, and the discharge glass of the compressor valve 7 and one port of the three-way valves 24- and 26' are connected to each other. are connected by a refrigerant bypass 18 provided with a pressure reducing valve 19. The three-way valves 24' and 26' communicate in the direction of the solid line in the figure when energized, and in the direction of the broken line in the figure when not energized.
本実施例の熱ポンプ式空気調和装置１０はつぎのように
作動する。The heat pump type air conditioner 10 of this embodiment operates as follows.
ａ）冷房運転Ｏｈ
四方弁１３は非通電され、三方弁２４−ｉＪ３よび２６
−は共に通電され、第４図実線で示す矢印Ｃ方向に冷媒
が流れる。第１図の実施例と同様に２つの熱交換器を有
する室外器２０付の熱ポンプ式空気調和装置による冷房
ザイクルが行われる。a) Cooling operation Oh The four-way valve 13 is de-energized, and the three-way valves 24-iJ3 and 26
- are both energized, and the refrigerant flows in the direction of arrow C shown by the solid line in FIG. Similar to the embodiment shown in FIG. 1, a cooling cycle is performed using a heat pump type air conditioner equipped with an outdoor unit 20 having two heat exchangers.
ｂ）暖房運転時
第５図に示す電気制御回路３０の如く、四方弁１３が通
電されて破線で示す矢印り方向に冷奴が流れる。タイマ
３４もスタートされ、第１三方弁２４′への通電リレー
３６と第２三方弁２６−への通電リレー３Ｙを交互にＯ
Ｎ（通電）、０ＦＦ（非通電）される。これによりリレ
ー３６またはリレー３７への通電は交ＵにＯＦＦされ、
ＯＦＦされたリレーがわの三方弁はバイパ、ス１８と熱
交換器とを連絡し、圧縮機１１の吐出がわの高湿冷媒（
ホットガス）が一点鎖線で示１゛矢印Ｅの如く流れる。b) During heating operation As shown in the electric control circuit 30 shown in FIG. 5, the four-way valve 13 is energized and cold tofu flows in the direction of the arrow shown by the broken line. The timer 34 is also started, and the energizing relay 36 for the first three-way valve 24' and the energizing relay 3Y for the second three-way valve 26- are turned on alternately.
N (energized), 0FF (de-energized). As a result, the power to relay 36 or relay 37 is turned off to AC U,
The three-way valve next to the relay, which is turned off, connects the bypass 18 and the heat exchanger, and the high-humidity refrigerant (
Hot gas) flows as shown by the dashed line 1 and arrow E.
この高温冷媒の流出はキー・ピラリ−チューブ１９で必
要最小限の少量にしぼられ熱交換器は供給されたホット
ガスでＤ速に除霜される。この作動はたとえば表１の如
くなされる。The outflow of this high-temperature refrigerant is reduced to the minimum necessary amount by the key pillar tube 19, and the heat exchanger is defrosted at speed D with the supplied hot gas. This operation is performed as shown in Table 1, for example.
表１
この実ｊ進例は比較的寒冷地〈冬期間昼間であっても０
℃以下となっているような地域）であって室外器を交互
に強制的にホットガスバイパス方式′にて強制除霜運転
し、暖房運転を中断することなくするものである。Table 1 This real example is from a relatively cold region (0 even during the daytime during winter).
℃ or below), the outdoor units are alternately forced to defrost using the hot gas bypass method, without interrupting heating operation.
圧縮機、四方弁、室内側熱交換器、減圧装置、および室
外側熱交換器を連結して冷媒の開サイクルを形成する熱
ポンプ式空気調和装置において、室外側熱交換器は並列
された２つの熱交換器を有し、暖房運転時には交互に一
方の熱交換器で熱交換を行い、他方の熱交換器で除霜を
行うので、暖房運転中に連続して温風を吹き出すことが
できる。In a heat pump air conditioner in which a compressor, a four-way valve, an indoor heat exchanger, a pressure reducer, and an outdoor heat exchanger are connected to form an open refrigerant cycle, two outdoor heat exchangers are connected in parallel. It has two heat exchangers, and during heating operation, one heat exchanger exchanges heat alternately, and the other heat exchanger performs defrosting, so hot air can be continuously blown out during heating operation. .
第１図は本発明の熱ポンプ式空気調和装置の構成図、第
２図はその電気制御装置の回路図、第３図は第１図の熱
ポンプ式空気調和装置を建築機械車両に適用した場合の
平面図、第４図は本発明の熱ポンプ式空気調和装置の他
の実施例の構成図、第５図はその電気制御装置の回路図
である。
図中 １．１０・・・熱ポンプ式空気調和装置 １１・
・・圧縮Ｉａ１２・・・電磁クラッチ １３・・・四方
弁 １４・・・室内側熱交換器 １Ｇ・・・キャピラリ
チューブ ？・・・室外側熱交換器 １７・・・アキュ
ムレータ ２１・・・第１熱交換器 ２２・・・第２熱
交換器 ２４．２６・・・電磁弁＾譬Fig. 1 is a block diagram of a heat pump type air conditioner of the present invention, Fig. 2 is a circuit diagram of its electric control device, and Fig. 3 is a diagram of the heat pump type air conditioner of Fig. 1 applied to a construction machinery vehicle. FIG. 4 is a block diagram of another embodiment of the heat pump type air conditioner of the present invention, and FIG. 5 is a circuit diagram of its electric control device. In the diagram 1.10...Heat pump type air conditioner 11.
...Compression Ia12...Electromagnetic clutch 13...Four-way valve 14...Indoor heat exchanger 1G...Capillary tube? ... Outdoor heat exchanger 17 ... Accumulator 21 ... First heat exchanger 22 ... Second heat exchanger 24.26 ... Solenoid valve
Claims (1)
び室外側熱交換器を連結して冷媒の閉サイクルを形成す
る熱ポンプ式空気調和装置において、 室外側熱交換器は並列された２つの熱交換器を有し、暖
房運転時には交互に一方の熱交換器で熱交換を行い他方
の熱交換器で除霜を行うことを特徴とする熱ポンプ式空
気調和装置。[Scope of Claims] 1) A heat pump air conditioner in which a compressor, a four-way valve, an indoor heat exchanger, a pressure reducing device, and an outdoor heat exchanger are connected to form a closed refrigerant cycle, A heat pump characterized in that the outdoor heat exchanger has two heat exchangers arranged in parallel, and during heating operation, heat exchange is performed alternately with one heat exchanger and defrosting is performed with the other heat exchanger. type air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10949783A JPS602847A (en) | 1983-06-17 | 1983-06-17 | Heat pump type air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10949783A JPS602847A (en) | 1983-06-17 | 1983-06-17 | Heat pump type air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS602847A true JPS602847A (en) | 1985-01-09 |
Family
ID=14511751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10949783A Pending JPS602847A (en) | 1983-06-17 | 1983-06-17 | Heat pump type air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS602847A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5316074A (en) * | 1990-10-12 | 1994-05-31 | Nippondenso Co., Ltd. | Automotive hair conditioner |
| US5605051A (en) * | 1991-04-26 | 1997-02-25 | Nippondenso Co., Ltd. | Automotive air conditioner having condenser and evaporator provided within air duct |
| US5642627A (en) * | 1991-04-26 | 1997-07-01 | Nippondenso Co., Ltd. | Automotive air conditioner having condenser and evaporator provided within air duct |
| US5685162A (en) * | 1991-04-26 | 1997-11-11 | Nippondenso Co., Ltd. | Automotive air conditioner having condenser and evaporator provided within air duct |
| US5782102A (en) * | 1992-04-24 | 1998-07-21 | Nippondenso Co., Ltd. | Automotive air conditioner having condenser and evaporator provided within air duct |
| US6430951B1 (en) | 1991-04-26 | 2002-08-13 | Denso Corporation | Automotive airconditioner having condenser and evaporator provided within air duct |
| WO2016080343A1 (en) * | 2014-11-21 | 2016-05-26 | 三菱重工オートモーティブサーマルシステムズ株式会社 | Heat-pump-type vehicle air-conditioning system |
-
1983
- 1983-06-17 JP JP10949783A patent/JPS602847A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5316074A (en) * | 1990-10-12 | 1994-05-31 | Nippondenso Co., Ltd. | Automotive hair conditioner |
| US5605051A (en) * | 1991-04-26 | 1997-02-25 | Nippondenso Co., Ltd. | Automotive air conditioner having condenser and evaporator provided within air duct |
| US5642627A (en) * | 1991-04-26 | 1997-07-01 | Nippondenso Co., Ltd. | Automotive air conditioner having condenser and evaporator provided within air duct |
| US5685162A (en) * | 1991-04-26 | 1997-11-11 | Nippondenso Co., Ltd. | Automotive air conditioner having condenser and evaporator provided within air duct |
| US5983652A (en) * | 1991-04-26 | 1999-11-16 | Denso Corporation | Automotive air conditioner having condenser and evaporator provided within air duct |
| US6044653A (en) * | 1991-04-26 | 2000-04-04 | Nippondenso Co., Ltd. | Automotive air conditioner having condenser and evaporator provided within air duct |
| US6212900B1 (en) | 1991-04-26 | 2001-04-10 | Nippendenso Co., Ltd. | Automotive air conditioner having condenser and evaporator provided within air duct |
| US6430951B1 (en) | 1991-04-26 | 2002-08-13 | Denso Corporation | Automotive airconditioner having condenser and evaporator provided within air duct |
| US5782102A (en) * | 1992-04-24 | 1998-07-21 | Nippondenso Co., Ltd. | Automotive air conditioner having condenser and evaporator provided within air duct |
| WO2016080343A1 (en) * | 2014-11-21 | 2016-05-26 | 三菱重工オートモーティブサーマルシステムズ株式会社 | Heat-pump-type vehicle air-conditioning system |
| JP2016097817A (en) * | 2014-11-21 | 2016-05-30 | 三菱重工オートモーティブサーマルシステムズ株式会社 | Heat pump type vehicle air conditioning system |
| US10137763B2 (en) | 2014-11-21 | 2018-11-27 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Heat-pump-type vehicle air-conditioning system |
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