JPS621068U - - Google Patents
Info
- Publication number
- JPS621068U JPS621068U JP9202285U JP9202285U JPS621068U JP S621068 U JPS621068 U JP S621068U JP 9202285 U JP9202285 U JP 9202285U JP 9202285 U JP9202285 U JP 9202285U JP S621068 U JPS621068 U JP S621068U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- joule
- thompson
- helium
- stopped
- 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
- 238000005057 refrigeration Methods 0.000 claims description 8
- 239000001307 helium Substances 0.000 claims description 6
- 229910052734 helium Inorganic materials 0.000 claims description 6
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は、本考案の実施例にかかるヘリウム冷
凍装置の系統図、第２図は、第１図のヘリウム冷
凍装置における電気回路図、第３図は、本考案実
施例における運転時間Ｔに対する冷凍能力Ｑおよ
び低圧ＰＬの変化を示す特性図、第４図は、従来
公知のヘリウム冷凍装置の系統図、第５図は従来
例における第３図相当図である。
１……予冷冷凍回路、２……ジユールトムソン
回路（Ｊ―Ｔ回路）、４３……運転制御手段。
FIG. 1 is a system diagram of a helium refrigeration system according to an embodiment of the present invention, FIG. 2 is an electric circuit diagram of the helium refrigeration system of FIG. A characteristic diagram showing changes in refrigerating capacity Q and low pressure PL, FIG. 4 is a system diagram of a conventionally known helium refrigeration system, and FIG. 5 is a diagram corresponding to FIG. 3 in a conventional example. 1... Pre-cooling refrigeration circuit, 2... Joel-Thomson circuit (J-T circuit), 43... Operation control means.
Claims (1)
ン回路２を流れる高圧ヘリウムガスを冷却する予
冷冷凍回路１とを備えたヘリウム冷凍装置におい
て、前記ジユールトムソン回路２の低圧が設定圧
力以下になつたとき、前記予冷冷凍回路１の運転
を所定時間停止し、前記ジユールトムソン回路２
の運転を継続する如く制御する運転制御手段４３
を付設したことを特徴とするヘリウム冷凍装置。 In a helium refrigeration system equipped with a Joule-Thompson circuit 2 and a pre-cooling refrigeration circuit 1 that cools high-pressure helium gas flowing through the Joule-Thompson circuit 2, when the low pressure of the Joule-Thompson circuit 2 falls below the set pressure. , the operation of the pre-cooling refrigeration circuit 1 is stopped for a predetermined period of time, and the operation of the Joule-Thomson circuit 2 is stopped.
operation control means 43 for controlling the operation of the
A helium refrigeration device characterized by being equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9202285U JPS621068U (en) | 1985-06-17 | 1985-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9202285U JPS621068U (en) | 1985-06-17 | 1985-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS621068U true JPS621068U (en) | 1987-01-07 |
Family
ID=30648438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9202285U Pending JPS621068U (en) | 1985-06-17 | 1985-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS621068U (en) |
-
1985
- 1985-06-17 JP JP9202285U patent/JPS621068U/ja active Pending
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