JPS62141721U - - Google Patents
Info
- Publication number
- JPS62141721U JPS62141721U JP2953586U JP2953586U JPS62141721U JP S62141721 U JPS62141721 U JP S62141721U JP 2953586 U JP2953586 U JP 2953586U JP 2953586 U JP2953586 U JP 2953586U JP S62141721 U JPS62141721 U JP S62141721U
- Authority
- JP
- Japan
- Prior art keywords
- current
- supply circuit
- superconducting wire
- liquid helium
- current supply
- 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
- 239000001307 helium Substances 0.000 claims description 7
- 229910052734 helium Inorganic materials 0.000 claims description 7
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Description
第１図はこの考案の一実施例のブロツク図、第
２図は電流の時間的変化を示すグラフ、第３図は
従来例のブロツク図である。
１……ヘリウム容器、２……液体ヘリウム、３
……気体ヘリウム、４……超伝導線、４１……超
伝導部分、４２……常伝導部分、５……電圧計、
６……電流供給回路、７……スイツチ、８……定
電流源。
FIG. 1 is a block diagram of an embodiment of this invention, FIG. 2 is a graph showing temporal changes in current, and FIG. 3 is a block diagram of a conventional example. 1...Helium container, 2...Liquid helium, 3
...Gas helium, 4...Superconducting wire, 41...Superconducting part, 42...Normal conducting part, 5...Voltmeter,
6... Current supply circuit, 7... Switch, 8... Constant current source.
Claims (1)
浸される超伝導線と、この超伝導線に電流を流す
電流供給回路と、上記超伝導線の両端電圧を測定
する電圧測定器とからなる液体ヘリウム液面計に
おいて、上記電流供給回路を、測定開始時の最初
に大きな電流をパルス的に発生しその後安定した
小さな電流を発生する電流供給回路により構成し
たことを特徴とする液体ヘリウム液面計。 Liquid helium consists of a superconducting wire inserted into a helium container and immersed in liquid helium, a current supply circuit that supplies current to the superconducting wire, and a voltage measuring device that measures the voltage across the superconducting wire. A liquid helium level gauge, characterized in that the current supply circuit is configured by a current supply circuit that generates a large current in a pulsed manner at the beginning of measurement and then generates a stable small current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2953586U JPS62141721U (en) | 1986-02-28 | 1986-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2953586U JPS62141721U (en) | 1986-02-28 | 1986-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62141721U true JPS62141721U (en) | 1987-09-07 |
Family
ID=30833504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2953586U Pending JPS62141721U (en) | 1986-02-28 | 1986-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62141721U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997008518A1 (en) * | 1995-08-30 | 1997-03-06 | Hitachi, Ltd. | Level gauge using superconductive sensor wire |
| JP2008175640A (en) * | 2007-01-17 | 2008-07-31 | Mitsubishi Electric Corp | Refrigerant liquid level measuring device, refrigerant liquid level measuring method, and superconductive magnet device using it |
-
1986
- 1986-02-28 JP JP2953586U patent/JPS62141721U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997008518A1 (en) * | 1995-08-30 | 1997-03-06 | Hitachi, Ltd. | Level gauge using superconductive sensor wire |
| JP2008175640A (en) * | 2007-01-17 | 2008-07-31 | Mitsubishi Electric Corp | Refrigerant liquid level measuring device, refrigerant liquid level measuring method, and superconductive magnet device using it |
| US7762132B2 (en) | 2007-01-17 | 2010-07-27 | Mitsubishi Electric Corporation | Refrigerant liquid level measuring device, refrigerant liquid level measuring method, and superconducting magnet device |
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