JPH1073346A - High-pressure receiver for heat pump - Google Patents
High-pressure receiver for heat pumpInfo
- Publication number
- JPH1073346A JPH1073346A JP24881996A JP24881996A JPH1073346A JP H1073346 A JPH1073346 A JP H1073346A JP 24881996 A JP24881996 A JP 24881996A JP 24881996 A JP24881996 A JP 24881996A JP H1073346 A JPH1073346 A JP H1073346A
- Authority
- JP
- Japan
- Prior art keywords
- receiver
- refrigerant
- heat pump
- opening
- 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.)
- Withdrawn
Links
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はヒートポンプ用高圧
レシーバに関する。The present invention relates to a high-pressure receiver for a heat pump.
【０００２】[0002]
【従来の技術】従来の車両用ヒートポンプ式空気調和機
の１例が図３に示されている。空気調和機のケーシング
12の上流側には内気吸込口13と外気吸込口14が形成さ
れ、下流側にはフェース吹出口20、フート吹出口24、デ
フロスト吹出口23が形成されている。2. Description of the Related Art An example of a conventional heat pump type air conditioner for a vehicle is shown in FIG. Air conditioner casing
Inside air inlet 13 and outside air inlet 14 are formed on the upstream side of 12, and face outlet 20, foot outlet 24, and defrost outlet 23 are formed on the downstream side.
【０００３】内気吸込口13と外気吸込口14は内外気切換
ダンパ15によって開閉される。フェース吹出口20はダン
パ25によって開閉され、フート吹出口24はダンパ26によ
って開閉され、デフロスト吹出口23はダンパ27によって
開閉される。ケーシング12内にはブロア16、室内熱交換
器３、PTC ヒータ28等が配設されている。The inside air suction port 13 and the outside air suction port 14 are opened and closed by an inside / outside air switching damper 15. The face outlet 20 is opened and closed by a damper 25, the foot outlet 24 is opened and closed by a damper 26, and the defrost outlet 23 is opened and closed by a damper 27. Inside the casing 12, a blower 16, an indoor heat exchanger 3, a PTC heater 28 and the like are arranged.
【０００４】室内熱交換器３は冷媒配管を介して圧縮機
１、四方弁２、室外熱交換器５、アキュムレータ６、膨
張手段４と連結されてヒートポンプサイクルを構成して
いる。The indoor heat exchanger 3 is connected to the compressor 1, the four-way valve 2, the outdoor heat exchanger 5, the accumulator 6, and the expansion means 4 via a refrigerant pipe to constitute a heat pump cycle.
【０００５】室外熱交換器５にはモータ10により駆動さ
れるフアン９によって送風される外気が流過する。圧縮
機１はこれに内蔵されたモータ29により駆動され、この
モータ29はバッテリー11からインバータ17を介して供給
される電気によって回転駆動される。[0005] Outside air blown by a fan 9 driven by a motor 10 flows through the outdoor heat exchanger 5. The compressor 1 is driven by a motor 29 incorporated therein, and the motor 29 is rotationally driven by electricity supplied from the battery 11 via the inverter 17.
【０００６】冷房運転時、四方弁２は図に破線で示すよ
うに切り換えられるので、冷媒は図に破線で示すよう
に、圧縮機１、四方弁２、室外熱交換器５、膨張手段
４、室内熱交換器３、四方弁２、アキュムレータ６をこ
の順に経て圧縮機１に戻る。[0006] During the cooling operation, the four-way valve 2 is switched as shown by a broken line in the figure, so that the refrigerant flows through the compressor 1, the four-way valve 2, the outdoor heat exchanger 5, the expansion means 4, as shown by the broken line in the figure. It returns to the compressor 1 through the indoor heat exchanger 3, the four-way valve 2, and the accumulator 6 in this order.
【０００７】暖房運転時、四方弁２は図に実線で示すよ
うに切り換えられるので、圧縮機１から吐出された冷媒
は図に実線矢印で示すように、四方弁２、室内熱交換器
３、膨張手段４、室外熱交換器５、四方弁２、アキュム
レータ６をこの順に経て圧縮機１に戻る。[0007] During the heating operation, the four-way valve 2 is switched as shown by the solid line in the figure, so that the refrigerant discharged from the compressor 1 has the four-way valve 2, the indoor heat exchanger 3, The flow returns to the compressor 1 through the expansion means 4, the outdoor heat exchanger 5, the four-way valve 2, and the accumulator 6 in this order.
【０００８】ブロア16をモータ21により駆動すると、内
外気切換ダンパ15を切り換えることによって選択された
内気吸込口13又は外気吸込口14から車室内空気又は外気
がケーシング12内に吸い込まれ、ブロア16によって付勢
された後、室内熱交換器３を流過することによって冷却
又は加熱され、しかる後、PTC ヒータ28によって加熱さ
れることにより所定温度の調和空気となる。When the blower 16 is driven by the motor 21, vehicle interior air or outside air is sucked into the casing 12 from the inside air suction port 13 or the outside air suction port 14 selected by switching the inside / outside air switching damper 15, and is blown by the blower 16. After being energized, the air is cooled or heated by flowing through the indoor heat exchanger 3, and then heated by the PTC heater 28 to become conditioned air at a predetermined temperature.
【０００９】この調和空気はダンパ25、26、27を開閉す
ることによって選択されたフェース吹出口20、フート吹
出口24、デフロスト吹出口23から車室内に吹き出され
る。The conditioned air is blown into the vehicle cabin from the face outlet 20, foot outlet 24 and defrost outlet 23 selected by opening and closing the dampers 25, 26 and 27.
【００１０】[0010]
【発明が解決しようとする課題】上記従来の空気調和機
においては、圧縮機１の吸入側に配設されたアキュムレ
ータ６で液冷媒をガス冷媒から分離するとともにその内
部に余剰の液冷媒を貯溜していたが、アキュムレータ６
をガス冷媒が通過する際の圧力損失が大きいためヒート
ポンプの能力が低下するという問題があった。In the above-mentioned conventional air conditioner, the liquid refrigerant is separated from the gas refrigerant by the accumulator 6 disposed on the suction side of the compressor 1 and the excess liquid refrigerant is stored therein. Had been accumulator 6
There is a problem that the pressure loss when the gas refrigerant passes through the heat pump is large, so that the performance of the heat pump is reduced.
【００１１】これに対処するため、アキュムレータ６を
廃止して室外熱交換器５と膨張弁４との間に高圧レシー
バを配設することが提案されたが、従来の高圧レシーバ
は冷媒流れの方向性を持つため、冷媒回路が複雑となる
という問題があった。In order to cope with this, it has been proposed to abolish the accumulator 6 and to provide a high-pressure receiver between the outdoor heat exchanger 5 and the expansion valve 4. Therefore, there is a problem that the refrigerant circuit becomes complicated.
【００１２】[0012]
【課題を解決するための手段】本発明は上記課題を解決
するために発明されたものであって、その要旨とすると
ころは、四方弁により冷媒の流れ方向を可逆的に切り換
えることにより冷房又は暖房を行うヒートポンプの室外
熱交換器と膨張手段との間に設置される高圧レシーバに
おいて、レシーバ本体の底部に上記膨張手段からの配管
の一端及び上記室外熱交換器からの配管の一端をそれぞ
れ接続開口させたことを特徴とするヒートポンプ用高圧
レシーバにある。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and the gist of the present invention is to provide cooling or cooling by reversibly switching the flow direction of a refrigerant by a four-way valve. In a high-pressure receiver installed between an outdoor heat exchanger of a heat pump for heating and an expansion means, one end of a pipe from the expansion means and one end of a pipe from the outdoor heat exchanger are connected to the bottom of the receiver body. A high-pressure receiver for a heat pump, characterized in that it is opened.
【００１３】他の特徴とするところは、上記レシーバ本
体の内部にその底部から所定高さ位置に乾燥剤を設置し
たことにある。Another feature is that a desiccant is provided at a predetermined height from the bottom inside the receiver main body.
【００１４】他の特徴とするところは、上記レシーバ本
体底部の上記各配管の一端が接続される開口部の少なく
とも一方にストレーナを設置したことにある。Another feature is that a strainer is provided at at least one of the openings to which one ends of the respective pipes are connected at the bottom of the receiver main body.
【００１５】更に他の特徴とするところは、レシーバ本
体を下方が開口された絞り容器とその下方開口部に装着
された蓋体から構成し、この蓋体に設けた開口に上記各
配管の一端を接続したことにある。Still another feature is that the receiver main body is composed of a diaphragm container having a lower opening and a lid attached to the lower opening, and one end of each of the pipes is provided in the opening provided in the lid. Is connected.
【００１６】[0016]
【発明の実施の形態】本発明の実施形態が図１及び図２
に示されている。図２に示すように、アキュムレータ６
が廃止され、室外熱交換器５と膨張手段４との間に高圧
レシーバ30が設置されている。1 and 2 show an embodiment of the present invention.
Is shown in As shown in FIG. 2, the accumulator 6
And the high-pressure receiver 30 is provided between the outdoor heat exchanger 5 and the expansion means 4.
【００１７】この高圧レシーバ30の詳細が図１に示され
ている。レシーバ本体31は下方が開口された絞り容器32
とその下方開口部に装着された蓋体33からなる。この蓋
体33に設けた一方の開口部34には膨張手段４からの冷媒
配管35の一端が接続され、他方の開口部36には室外熱交
換器５からの冷媒配管37の一端が接続され、これら冷媒
配管35及び36の一端はそれぞれレシーバ本体31の底部に
開口している。The details of the high-voltage receiver 30 are shown in FIG. The receiver body 31 is a diaphragm container 32 with an open bottom.
And a lid 33 attached to the lower opening thereof. One end of the refrigerant pipe 35 from the expansion means 4 is connected to one opening 34 provided in the lid 33, and one end of a refrigerant pipe 37 from the outdoor heat exchanger 5 is connected to the other opening 36. One end of each of the refrigerant pipes 35 and 36 is open to the bottom of the receiver main body 31.
【００１８】そして、開口部34及び36の少なくとも一
方、例えば、開口部34にはストレーナ38が設置され、レ
シーバ本体31の内部にはその底部から所定高さ位置に乾
燥剤39が設置されている。A strainer 38 is installed in at least one of the openings 34 and 36, for example, the opening 34, and a desiccant 39 is installed inside the receiver body 31 at a predetermined height from the bottom. .
【００１９】なお、40、41は乾燥剤39の上下を覆う多孔
板、42、43は冷媒配管35、36の押え金具で、それぞれボ
ルト44、45により蓋体33に締結されている。他の構成は
図３に示す従来のものと同様であり、対応する部材には
同じ符号を付してその説明を省略する。Reference numerals 40 and 41 denote perforated plates that cover the upper and lower portions of the desiccant 39, and reference numerals 42 and 43 denote holders for the refrigerant pipes 35 and 36, which are fastened to the lid 33 by bolts 44 and 45, respectively. The other configuration is the same as that of the conventional one shown in FIG. 3, and the corresponding members are denoted by the same reference numerals and description thereof will be omitted.
【００２０】しかして、冷房運転時には室外熱交換器５
で凝縮液化した液冷媒が冷媒配管37、開口部36を経てレ
シーバ本体31の内部に入り、その底部に一旦貯溜され
る。次いで、この液冷媒はストレーナ38を流過して開口
部34、冷媒配管35を通って膨張手段４に送られる。During the cooling operation, the outdoor heat exchanger 5
The liquid refrigerant condensed and liquefied in the above enters the inside of the receiver main body 31 through the refrigerant pipe 37 and the opening 36, and is temporarily stored at the bottom thereof. Next, the liquid refrigerant flows through the strainer 38 and is sent to the expansion means 4 through the opening 34 and the refrigerant pipe 35.
【００２１】暖房運転時には四方弁２が上記と逆に切り
換えられるので、膨張手段４で絞られた液冷媒が冷媒配
管35から開口部34、ストレーナ38を経てレシーバ本体31
の内部に入り、その底部に一旦貯溜される。次いで、こ
の液冷媒は開口部36及び冷媒配管37を通って室外熱交換
器５に送られる。During the heating operation, the four-way valve 2 is switched in the opposite manner, so that the liquid refrigerant throttled by the expansion means 4 flows from the refrigerant pipe 35 through the opening 34 and the strainer 38 to the receiver body 31.
And is temporarily stored at the bottom. Next, this liquid refrigerant is sent to the outdoor heat exchanger 5 through the opening 36 and the refrigerant pipe 37.
【００２２】液冷媒がレシーバ本体31の内部に貯溜され
ている間にこの液冷媒中に含まれる水分は乾燥剤39に吸
着されることにより除去される。また、液冷媒中に含ま
れる異物は液冷媒がストレーナ38を流過する過程で捕捉
されることにより除去される。そして、冷房運転時と暖
房運転時の冷媒循環量の差に基づく余剰の冷媒はレシー
バ本体31の内部に貯溜される。While the liquid refrigerant is stored inside the receiver main body 31, moisture contained in the liquid refrigerant is removed by being adsorbed by the desiccant 39. In addition, foreign matter contained in the liquid refrigerant is removed by being trapped in the process in which the liquid refrigerant flows through the strainer 38. The surplus refrigerant based on the difference between the refrigerant circulation amounts during the cooling operation and the heating operation is stored in the receiver main body 31.
【００２３】[0023]
【発明の効果】本発明においては、レシーバ本体の底部
に膨張手段からの配管の一端及び室外熱交換器からの配
管の一端をそれぞれ接続開口させたため、レシーバに冷
媒流れの方向性がなくなり、従って、冷媒回路を簡素化
しうる。According to the present invention, one end of the pipe from the expansion means and one end of the pipe from the outdoor heat exchanger are respectively connected to the bottom of the receiver body so that the direction of the refrigerant flow is lost in the receiver. Thus, the refrigerant circuit can be simplified.
【００２４】レシーバ本体の内部にその底部から所定高
さ位置に乾燥剤を設置すれば、冷媒中に含まれる水分を
乾燥剤により吸着して除去できる。If a desiccant is placed inside the receiver body at a predetermined height from the bottom, moisture contained in the refrigerant can be adsorbed and removed by the desiccant.
【００２５】レシーバ本体底部の各配管の一端が接続さ
れる開口部の少なくとも一方にストレーナを設置すれ
ば、冷媒中に含まれる異物をストレーナにより捕捉して
除去できる。If a strainer is installed in at least one of the openings at the bottom of the receiver body to which one end of each pipe is connected, foreign substances contained in the refrigerant can be captured and removed by the strainer.
【００２６】レシーバ本体を下方が開口された絞り容器
とその下方開口部に装着された蓋体から構成し、この蓋
体に設けた開口に各配管の一端を接続すれば、高圧レシ
ーバの構造が簡単となり、安価に製造できる。The receiver main body is composed of a diaphragm container having a lower opening and a lid attached to the lower opening thereof, and one end of each pipe is connected to the opening provided in the lid, whereby the structure of the high-pressure receiver can be improved. It is simple and inexpensive to manufacture.
【図１】本発明の実施形態に係る高圧レシーバの断面図
である。FIG. 1 is a sectional view of a high-voltage receiver according to an embodiment of the present invention.
【図２】上記高圧レシーバを具えたヒートポンプ式空気
調和機の系統図である。FIG. 2 is a system diagram of a heat pump type air conditioner provided with the high-pressure receiver.
【図３】従来のヒートポンプ式空気調和機の系統図であ
る。FIG. 3 is a system diagram of a conventional heat pump type air conditioner.
30 高圧レシーバ 31 レシーバ本体 32 絞り容器 33 蓋体 34、36 開口部 35、37 配管 38 ストレーナ 39 乾燥剤 30 High-pressure receiver 31 Receiver body 32 Squeeze container 33 Lid 34, 36 Opening 35, 37 Piping 38 Strainer 39 Desiccant
Claims (4)
切り換えることにより冷房又は暖房を行うヒートポンプ
の室外熱交換器と膨張手段との間に設置される高圧レシ
ーバにおいて、 レシーバ本体の底部に上記膨張手段からの配管の一端及
び上記室外熱交換器からの配管の一端をそれぞれ接続開
口させたことを特徴とするヒートポンプ用高圧レシー
バ。1. A high-pressure receiver installed between an outdoor heat exchanger and an expansion means of a heat pump for performing cooling or heating by reversibly switching a flow direction of a refrigerant by a four-way valve, wherein the high-pressure receiver is provided at a bottom of the receiver body. A high-pressure receiver for a heat pump, wherein one end of a pipe from the expansion means and one end of a pipe from the outdoor heat exchanger are respectively connected and opened.
所定高さ位置に乾燥剤を設置したことを特徴とする請求
項１記載のヒートポンプ用高圧レシーバ。2. A high-pressure receiver for a heat pump according to claim 1, wherein a desiccant is provided inside the receiver body at a predetermined height from a bottom thereof.
端が接続される開口部の少なくとも一方にストレーナを
設置したことを特徴とする請求項１又は２記載のヒート
ポンプ用高圧レシーバ。3. The high-pressure receiver for a heat pump according to claim 1, wherein a strainer is provided in at least one of openings of the bottom of the receiver body to which one end of each of the pipes is connected.
り容器とその下方開口部に装着された蓋体から構成し、
この蓋体に設けた開口に上記各配管の一端を接続したこ
とを特徴とする請求項１ないし３記載のヒートポンプ用
高圧レシーバ。4. The receiver main body comprises a diaphragm container having a lower opening, and a lid attached to the lower opening thereof.
4. The high-pressure receiver for a heat pump according to claim 1, wherein one end of each of the pipes is connected to an opening provided in the lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24881996A JPH1073346A (en) | 1996-08-30 | 1996-08-30 | High-pressure receiver for heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24881996A JPH1073346A (en) | 1996-08-30 | 1996-08-30 | High-pressure receiver for heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1073346A true JPH1073346A (en) | 1998-03-17 |
Family
ID=17183889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24881996A Withdrawn JPH1073346A (en) | 1996-08-30 | 1996-08-30 | High-pressure receiver for heat pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1073346A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1363088A1 (en) * | 2002-05-08 | 2003-11-19 | SKG Italiana S.P.A. | Receiver drier |
-
1996
- 1996-08-30 JP JP24881996A patent/JPH1073346A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1363088A1 (en) * | 2002-05-08 | 2003-11-19 | SKG Italiana S.P.A. | Receiver drier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20031104 |