WO1999047899A1 - Dispositif d'alimentation electrique pour indicateur de niveau cryogenique - Google Patents
Dispositif d'alimentation electrique pour indicateur de niveau cryogenique Download PDFInfo
- Publication number
- WO1999047899A1 WO1999047899A1 PCT/FR1999/000551 FR9900551W WO9947899A1 WO 1999047899 A1 WO1999047899 A1 WO 1999047899A1 FR 9900551 W FR9900551 W FR 9900551W WO 9947899 A1 WO9947899 A1 WO 9947899A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- supply device
- level indicator
- module
- thermoelectric module
- power supply
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/021—Special adaptations of indicating, measuring, or monitoring equipment having the height as the parameter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0408—Level of content in the vessel
- F17C2250/0417—Level of content in the vessel with electrical means
Definitions
- Electric power supply devices are already known for cryogenic level indicator intended to equip mobile or fixed tanks of liquid gas provided with an electronic level indicator.
- the present invention aims to remedy this drawback and proposes to find a source of energy generated by the reservoir, this energy being stored so as to make the level indicator electrically autonomous.
- the invention relates to an electrical supply device for an electronic cryogenic level indicator intended to equip mobile or fixed tanks of liquid gas provided with a level indicator, supply device characterized in that it comprises a thermoelectric module formed by an assembly of semiconductor elements between two heat conducting soles, this module being connected to an electricity storage device supplying the level indicator, the electrical energy collected at the terminals of the module being obtained by subjecting the faces of the soles of the module called “cold face” and “hot face” to different temperatures.
- the supply device makes it possible to exploit the temperature difference between the liquid gas contained in the reservoir and the ambient air, this exploitation being carried out by implementing a semiconductor thermoelectric module.
- This enables the level indicator to be made autonomous since an electrical voltage proportional to the temperature difference is collected at the terminals of the thermoelectric module, this voltage being applied to the storage device supplying the level indicator.
- the device comprises a "cold face" temperature exchanger through which the liquid gas filling tube of the reservoir passes.
- the device comprises a temperature exchanger keeping the "hot side" of the thermoelectric module at room temperature.
- the device comprises a step-up converter.
- the electricity storage device consists of at least one high capacity capacitor or an accumulator.
- the electricity storage device is provided with a connector connected to an external power source.
- thermoelectric module is formed by a group of thermocouples connected in series.
- the "cold face" temperature exchanger is traversed by the outlet tube delivering the gas intended to be used in particular by inhalation.
- the single figure is a diagram of the power supply device for cryogenic level indicator
- the electrical supply device (1) is mounted on a liquid gas tank.
- the electrical supply device (1) is composed in particular of a thermoelectric module (2) fixed on a heat exchanger temperature (10) passed through by a liquid gas supply tube (3) intended to fill the mobile tank not shown in this figure.
- thermoelectric module makes it possible to exploit the large temperature difference existing between the liquid gas contained in the tank and the ambient air.
- the PELTIER semiconductor thermoelectric module (2) is traditionally used as a heat pump by causing the module to pass through an electric current, which determines the absorption of calories on one of the faces of the module (2) called “cold side", the calories being rejected on the other side of the module called “hot side”.
- the PELTIER effect is reversible if the faces of the thermoelectric module are subjected to different temperatures.
- the SEEBECK effect used for the measurement of temperatures by thermocouples makes it possible to collect at the terminals (4, 5) of the thermoelectric module (2) a voltage proportional to the temperature difference.
- thermoelectric module is formed by an assembly of semiconductor elements between two heat conducting soles. It is surmounted by a dissipator (6).
- the terminals (4 and 5) are connected to an electricity storage device (7) itself permanently supplying the level indicator (8).
- thermoelectric module (2) comprises a temperature exchanger (10) called "cold face" through which the filling tube (3) in liquid gas from the tank.
- thermoelectric module (2) also includes a temperature exchanger (6) keeping the "hot side" of the thermoelectric module (2) at room temperature.
- thermoelectric module there is provided between the thermoelectric module and the storage device (7) a converter-booster
- thermoelectric module (2) does not deliver a sufficiently high electrical voltage.
- the storage device 7 consists of a high capacity capacitor because the batteries currently available have a limited lifespan.
- the thermoelectric module (2) it is possible to replace the thermoelectric module (2) by a group of thermocouples connected in series. It is possible to have a gas passage in the exchanger block (10) (cold face) of the outlet tube to recover electrical energy during the use of the liquid gas tank. According to the diagram of the device shown in this figure, electricity is produced only during the filling of the tank with liquid gas.
- thermoelectric module for example of square section comprising a thermoelectric module on each face. It is also possible to provide for the development of specific thermoelectric modules, the available devices being optimized for use as a heat pump. Following these developments in the form of exchangers and specific thermoelectric modules, it is possible to obtain a higher output voltage and to remove the step-up converter (9) from the device shown in the single figure.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU27340/99A AU2734099A (en) | 1998-03-17 | 1999-03-12 | Power supply device for cryogenic level indicator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR98/03202 | 1998-03-17 | ||
FR9803202A FR2776364B1 (fr) | 1998-03-17 | 1998-03-17 | Dispositif d'alimentation electrique pour indicateur de niveau cryogenique |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999047899A1 true WO1999047899A1 (fr) | 1999-09-23 |
Family
ID=9524097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1999/000551 WO1999047899A1 (fr) | 1998-03-17 | 1999-03-12 | Dispositif d'alimentation electrique pour indicateur de niveau cryogenique |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2734099A (fr) |
FR (1) | FR2776364B1 (fr) |
WO (1) | WO1999047899A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011000492A1 (de) * | 2011-02-03 | 2012-08-09 | Samson Ag | Flüssiggastank mit einer Stromversorgungseinrichtung für elektrische Einrichtungen und Verfahren zur Stromerzeugung einer elektrischen Einrichtung |
US11460336B2 (en) * | 2019-10-16 | 2022-10-04 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | IoT system for returnable asset containing cryogenic liquid |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3632855A1 (de) * | 1986-09-26 | 1988-03-31 | Walter Reich | Anzeige des fuellstandes in fluessiggasflaschen |
GB2231407A (en) * | 1989-05-03 | 1990-11-14 | Spirax Sarco Ltd | Monitoring condensate traps |
US5419780A (en) * | 1994-04-29 | 1995-05-30 | Ast Research, Inc. | Method and apparatus for recovering power from semiconductor circuit using thermoelectric device |
US5705434A (en) * | 1995-11-13 | 1998-01-06 | Ngk Insulators, Ltd. | Method of manufacturing thermoelectric conversion module |
-
1998
- 1998-03-17 FR FR9803202A patent/FR2776364B1/fr not_active Expired - Fee Related
-
1999
- 1999-03-12 WO PCT/FR1999/000551 patent/WO1999047899A1/fr active Application Filing
- 1999-03-12 AU AU27340/99A patent/AU2734099A/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3632855A1 (de) * | 1986-09-26 | 1988-03-31 | Walter Reich | Anzeige des fuellstandes in fluessiggasflaschen |
GB2231407A (en) * | 1989-05-03 | 1990-11-14 | Spirax Sarco Ltd | Monitoring condensate traps |
US5419780A (en) * | 1994-04-29 | 1995-05-30 | Ast Research, Inc. | Method and apparatus for recovering power from semiconductor circuit using thermoelectric device |
US5705434A (en) * | 1995-11-13 | 1998-01-06 | Ngk Insulators, Ltd. | Method of manufacturing thermoelectric conversion module |
Non-Patent Citations (1)
Title |
---|
MUIR JAMES A.: "Simple apparatus for measuring thermoelectric power of small samples from 80 to 650 K", REVIEW OF SCIENTIFIC INSTRUMENTS, vol. 42, no. 1, 31 January 1971 (1971-01-31), pages 156 - 157, XP002086669 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011000492A1 (de) * | 2011-02-03 | 2012-08-09 | Samson Ag | Flüssiggastank mit einer Stromversorgungseinrichtung für elektrische Einrichtungen und Verfahren zur Stromerzeugung einer elektrischen Einrichtung |
US11460336B2 (en) * | 2019-10-16 | 2022-10-04 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | IoT system for returnable asset containing cryogenic liquid |
Also Published As
Publication number | Publication date |
---|---|
AU2734099A (en) | 1999-10-11 |
FR2776364A1 (fr) | 1999-09-24 |
FR2776364B1 (fr) | 2000-05-12 |
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