JPH0293773U - - Google Patents
Info
- Publication number
- JPH0293773U JPH0293773U JP281689U JP281689U JPH0293773U JP H0293773 U JPH0293773 U JP H0293773U JP 281689 U JP281689 U JP 281689U JP 281689 U JP281689 U JP 281689U JP H0293773 U JPH0293773 U JP H0293773U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- expansion valve
- evaporator
- refrigerant
- environmental test
- 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
- 230000007613 environmental effect Effects 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 claims 5
- 238000001514 detection method Methods 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 1
Description
第１図は本考案にかかる一実施例を示す装置の
概略図、第２図は第１図に示された装置の作動を
示すタイムチヤート、第３図は従来技術を示す装
置の概略図である。
４０……環境試験装置、４２……ケーシング、
４４……仕切板、４６……試験室、４８……恒温
恒湿空気供給室、５０……圧縮機、５２……凝縮
器、５４……膨張弁、５５……電子膨張弁、５６
……蒸発器、５８……電子蒸発圧力調整弁、５９
……吸入圧力調整弁、６０……アキユムレータ、
６２……電熱ヒータ、６４……ブロワー、６６…
…温度センサー、６８……湿度制御装置、７０…
…電力供給回路、７１……電磁弁、７２……温度
制御装置、７４……電力供給回路、７６，７８…
…電磁弁、７７……自動温度膨張弁、７９……定
圧膨張弁、８０……加湿器。
Fig. 1 is a schematic diagram of a device showing an embodiment of the present invention, Fig. 2 is a time chart showing the operation of the device shown in Fig. 1, and Fig. 3 is a schematic diagram of a device showing a prior art. be. 40...Environmental test device, 42...Casing,
44... Partition plate, 46... Test chamber, 48... Constant temperature and humidity air supply room, 50... Compressor, 52... Condenser, 54... Expansion valve, 55... Electronic expansion valve, 56
...Evaporator, 58...Electronic evaporation pressure adjustment valve, 59
...Suction pressure regulating valve, 60...Accumulator,
62...Electric heater, 64...Blower, 66...
...Temperature sensor, 68...Humidity control device, 70...
...power supply circuit, 71 ... solenoid valve, 72 ... temperature control device, 74 ... power supply circuit, 76, 78 ...
... Solenoid valve, 77 ... Automatic temperature expansion valve, 79 ... Constant pressure expansion valve, 80 ... Humidifier.
Claims (1)
装置内に圧縮機、凝縮機、膨張弁、蒸発器、蒸発
圧力調整弁、アキユムレータと循環接続させた冷
凍サイクルの蒸発器及び電熱ヒータ並びに送風用
ブロワーとを配置した装置において、前記凝縮器
の冷媒出口と蒸発器の冷媒入口との間の膨張弁が
、電磁弁及び膨張弁と直列接続されたものが複数
並列に接続されたものからなり、膨張弁の冷媒出
口とアキユムレータの冷媒入口間が電磁弁、キヤ
ピラリーチユーブを介して接続され、膨張弁が電
磁弁の開閉により切り換わるように構成され、前
記蒸発圧力調整弁及び一つの膨張弁が環境試験室
内に設置した湿度センサーからの検知信号に基づ
き開度が調整されるように構成されていることを
特徴とする環境試験装置。 The evaporator, electric heater, and blower of the refrigeration cycle are connected in circulation to the compressor, condenser, expansion valve, evaporator, evaporation pressure adjustment valve, and accumulator in an environmental test equipment covered with a casing made of heat insulating material. In the device in which the expansion valve between the refrigerant outlet of the condenser and the refrigerant inlet of the evaporator is composed of a plurality of solenoid valves and expansion valves connected in series, the expansion valve is connected in parallel. The refrigerant outlet of the refrigerant and the refrigerant inlet of the accumulator are connected via a solenoid valve and a capillary reach tube, and the expansion valve is configured to be switched by opening and closing the solenoid valve, and the evaporation pressure regulating valve and one expansion valve are connected through an environmental test. An environmental test device characterized in that the opening degree is adjusted based on a detection signal from a humidity sensor installed indoors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP281689U JP2548662Y2 (en) | 1989-01-13 | 1989-01-13 | Environmental test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP281689U JP2548662Y2 (en) | 1989-01-13 | 1989-01-13 | Environmental test equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0293773U true JPH0293773U (en) | 1990-07-25 |
| JP2548662Y2 JP2548662Y2 (en) | 1997-09-24 |
Family
ID=31203918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP281689U Expired - Lifetime JP2548662Y2 (en) | 1989-01-13 | 1989-01-13 | Environmental test equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2548662Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010256019A (en) * | 2009-04-21 | 2010-11-11 | Espec Corp | Insulating wall and environmental test device |
| CN115754744A (en) * | 2022-11-28 | 2023-03-07 | 广州擎天实业有限公司 | Environment simulation system of fuel cell and control method thereof |
-
1989
- 1989-01-13 JP JP281689U patent/JP2548662Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010256019A (en) * | 2009-04-21 | 2010-11-11 | Espec Corp | Insulating wall and environmental test device |
| CN115754744A (en) * | 2022-11-28 | 2023-03-07 | 广州擎天实业有限公司 | Environment simulation system of fuel cell and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2548662Y2 (en) | 1997-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0293773U (en) | ||
| JPS62184376U (en) | ||
| JPS6413435U (en) | ||
| JPS6415149U (en) | ||
| JPS6415148U (en) | ||
| JPS6413434U (en) | ||
| JPH0348489U (en) | ||
| JPH0317178Y2 (en) | ||
| JPH02144384U (en) | ||
| JPH02114834U (en) | ||
| JPH03279727A (en) | Temperature and humidity control method for temperature and humidity control unit | |
| JPH01100084U (en) | ||
| CN112944564B (en) | Control method of machine room air conditioner | |
| JPS5914685Y2 (en) | Separate refrigerator | |
| JPS62120161U (en) | ||
| JPH0626839Y2 (en) | Environmental test equipment | |
| JPS6425774U (en) | ||
| JPS6144130Y2 (en) | ||
| JPH0310129U (en) | ||
| JPS6288250U (en) | ||
| JPS63198977U (en) | ||
| JPS6360879U (en) | ||
| JPS63139438U (en) | ||
| JPS63175781U (en) | ||
| JPS63185067U (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |