JPH01149099U - - Google Patents
Info
- Publication number
- JPH01149099U JPH01149099U JP4712888U JP4712888U JPH01149099U JP H01149099 U JPH01149099 U JP H01149099U JP 4712888 U JP4712888 U JP 4712888U JP 4712888 U JP4712888 U JP 4712888U JP H01149099 U JPH01149099 U JP H01149099U
- Authority
- JP
- Japan
- Prior art keywords
- liquid nitrogen
- container
- sensor
- pressure
- electrical characteristics
- 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- 238000012790 confirmation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図はこの考案の液体窒素容器の全体図、第
２図は第１図のＡ部詳細図、第３図は確認装置の
詳細図、第４図は従来の液体窒素容器の全体図。
図において、１は圧力容器、２は開栓バルブ、
３は液体窒素感知器、４は確認装置、５は超電導
材、６は導体、７は絶縁板、８はシールド材、９
は電源、１０はＬＥＤ、１１は抵抗、１２はスイ
ツチ、１３は電源、１４はブルドン管圧力計であ
る。なお図中同一あるいは相当部分には同一符号
を付して示してある。
Fig. 1 is an overall view of the liquid nitrogen container of this invention, Fig. 2 is a detailed view of section A in Fig. 1, Fig. 3 is a detailed view of the confirmation device, and Fig. 4 is an overall view of a conventional liquid nitrogen container. In the figure, 1 is a pressure vessel, 2 is an opening valve,
3 is a liquid nitrogen sensor, 4 is a confirmation device, 5 is a superconducting material, 6 is a conductor, 7 is an insulating plate, 8 is a shielding material, 9
10 is a power source, 10 is an LED, 11 is a resistor, 12 is a switch, 13 is a power source, and 14 is a Bourdon tube pressure gauge. Note that the same or corresponding parts in the figures are indicated by the same reference numerals.
Claims (1)
口を開閉する開栓バルブと、液体窒素が納められ
ている時の圧力容器の圧力を確認する圧力計から
構成される液体窒素容器において、圧力容器の内
部に液体窒素の残存によつて電気特性が変化する
超電導材を有する液体窒素感知器と、上記液体窒
素感知器で検出された電気特性の変化に対応して
液体窒素感知器に流れる電気量の変化により液体
窒素の残存を確認する確認装置とを具備したこと
を特徴とする液体窒素容器。 In a liquid nitrogen container that consists of a pressure container that stores liquid nitrogen, an opening valve that opens and closes the liquid nitrogen outlet, and a pressure gauge that confirms the pressure in the pressure container when liquid nitrogen is stored, the pressure container A liquid nitrogen sensor that has a superconducting material whose electrical characteristics change due to residual liquid nitrogen inside the liquid nitrogen sensor, and an amount of electricity flowing to the liquid nitrogen sensor in response to changes in the electrical characteristics detected by the liquid nitrogen sensor. A liquid nitrogen container characterized in that it is equipped with a confirmation device that confirms whether liquid nitrogen remains based on a change in the amount of liquid nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4712888U JPH01149099U (en) | 1988-04-07 | 1988-04-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4712888U JPH01149099U (en) | 1988-04-07 | 1988-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01149099U true JPH01149099U (en) | 1989-10-16 |
Family
ID=31273356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4712888U Pending JPH01149099U (en) | 1988-04-07 | 1988-04-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01149099U (en) |
-
1988
- 1988-04-07 JP JP4712888U patent/JPH01149099U/ja active Pending