JPH01153470U - - Google Patents
Info
- Publication number
- JPH01153470U JPH01153470U JP5203088U JP5203088U JPH01153470U JP H01153470 U JPH01153470 U JP H01153470U JP 5203088 U JP5203088 U JP 5203088U JP 5203088 U JP5203088 U JP 5203088U JP H01153470 U JPH01153470 U JP H01153470U
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- refrigeration circuit
- evaporators
- supplied
- cooling
- 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.)
- Granted
Links
- 239000003507 refrigerant Substances 0.000 claims description 26
- 238000005057 refrigeration Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案による冷凍回路の一実施例を示
し、第２図は本考案が適用される物品の冷却装置
のうち冷却装置本体の斜視図、第３図は第２図の
冷却装置本体に収納箱をセツトする時の状態を示
した斜視図、第４図は第３図の収納箱の斜視図、
第５図は従来の冷凍回路の一例を示した図。
１…冷媒圧縮機、２…オイルセパレータ、３…
冷媒凝縮器、４…アキユムレータ、５…定圧膨張
弁、６…冷媒蒸発器、７，８…四方切換弁、４０
…熱交換器、４１…電磁弁、４２…キヤピラリチ
ユーブ。
FIG. 1 shows an embodiment of the refrigeration circuit according to the present invention, FIG. 2 is a perspective view of the cooling device main body of the article cooling device to which the present invention is applied, and FIG. 3 is the main body of the cooling device shown in FIG. Fig. 4 is a perspective view of the storage box shown in Fig. 3;
FIG. 5 is a diagram showing an example of a conventional refrigeration circuit. 1... Refrigerant compressor, 2... Oil separator, 3...
Refrigerant condenser, 4... Accumulator, 5... Constant pressure expansion valve, 6... Refrigerant evaporator, 7, 8... Four-way switching valve, 40
...Heat exchanger, 41...Solenoid valve, 42...Capillary tube.
補正 平１．４．１９
考案の名称を次のように補正する。
考案の名称 冷凍回路
実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment April 19, 1999 The name of the invention is amended as follows. Title of the invention Refrigeration circuit The scope of the utility model registration claim and the brief description of the drawings are amended as follows.
【実用新案登録請求の範囲】
異なる空間を冷却する冷媒蒸発器を複数個備え
、これらの冷媒蒸発器にはそれぞれ冷媒圧縮機か
らの冷媒を冷媒膨張手段を通して分流供給すると
共に、前記各冷却空間内の温度に応じて冷媒供給
をオン・オフ制御する冷凍回路において、前記冷
媒分流点より上流に定圧膨張弁を介して凝似負荷
としての冷媒蒸発器による分流回路を接続したこ
とを特徴とする冷凍回路。[Claims for Utility Model Registration] A plurality of refrigerant evaporators are provided for cooling different spaces, each of which is supplied with refrigerant from a refrigerant compressor in a divided manner through a refrigerant expansion means, and each of the refrigerant evaporators is supplied with refrigerant from a refrigerant compressor through a refrigerant expansion means. A refrigeration circuit that controls refrigerant supply on and off according to the temperature of the refrigerant, characterized in that a shunt circuit with a refrigerant evaporator as a condensing load is connected upstream of the refrigerant shunt point via a constant pressure expansion valve. circuit.
【図面の簡単な説明】
第１図は本考案による冷凍回路の一実施例を示
し、第２図は従来の冷凍回路の一例を示した冷凍
回路図。
１…冷媒圧縮機、２…オイルセパレータ、３…
冷媒凝縮器、４…アキユムレータ、５…定圧膨張
弁、６…冷媒凝縮器、７，８…四方切換弁、４０
…熱交換器、４１…電磁弁、４２…キヤピラリチ
ユーブ。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a refrigeration circuit diagram showing an embodiment of the refrigeration circuit according to the present invention, and FIG. 2 is a refrigeration circuit diagram showing an example of a conventional refrigeration circuit. 1... Refrigerant compressor, 2... Oil separator, 3...
Refrigerant condenser, 4... Accumulator, 5... Constant pressure expansion valve, 6... Refrigerant condenser, 7, 8... Four-way switching valve, 40
...Heat exchanger, 41...Solenoid valve, 42...Capillary tube.
Claims (1)
、これらの冷媒蒸発器にはそれぞれ冷媒圧縮機か
らの冷媒を冷媒膨張手段を通して分流供給すると
共に、前記各冷却空間内の温度に応じて冷媒供給
をオン・オフ制御する冷凍回路において、前記冷
媒分流点より上流に定圧膨張弁を介して凝似負荷
としての冷媒蒸発器による分流回路を接続したこ
とを特徴とする冷凍回路。 A plurality of refrigerant evaporators are provided for cooling different spaces, and refrigerant from a refrigerant compressor is supplied to each of these refrigerant evaporators in a divided manner through a refrigerant expansion means, and the refrigerant is supplied according to the temperature in each of the cooling spaces. A refrigeration circuit that performs on/off control, characterized in that a shunt circuit using a refrigerant evaporator as a condensing load is connected upstream of the refrigerant split point via a constant pressure expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988052030U JPH05769Y2 (en) | 1988-04-18 | 1988-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988052030U JPH05769Y2 (en) | 1988-04-18 | 1988-04-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01153470U true JPH01153470U (en) | 1989-10-23 |
| JPH05769Y2 JPH05769Y2 (en) | 1993-01-11 |
Family
ID=31278042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988052030U Expired - Lifetime JPH05769Y2 (en) | 1988-04-18 | 1988-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05769Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5589959U (en) * | 1978-12-15 | 1980-06-21 |
-
1988
- 1988-04-18 JP JP1988052030U patent/JPH05769Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5589959U (en) * | 1978-12-15 | 1980-06-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05769Y2 (en) | 1993-01-11 |