WO1998019146A1 - Citerne a dispositif d'alerte - Google Patents
Citerne a dispositif d'alerte Download PDFInfo
- Publication number
- WO1998019146A1 WO1998019146A1 PCT/FR1997/001916 FR9701916W WO9819146A1 WO 1998019146 A1 WO1998019146 A1 WO 1998019146A1 FR 9701916 W FR9701916 W FR 9701916W WO 9819146 A1 WO9819146 A1 WO 9819146A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tank
- signals
- recording medium
- information
- recording
- 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.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
Definitions
- the present invention relates to a tank which comprises means for detecting its state by sending signals to an alert device, and in particular means for detecting the presence of water on a part of the external surface of the tank. , or the proper functioning of the tank, and in particular its detection means.
- the present invention also relates to a method for monitoring the condition of a tank of this kind.
- a tank attendant When a tank attendant is present, he is informed by light signals of the tank status. For example, in the case where two pieces of information are provided by the alert device and where these two pieces of information are the appearance or not of water on the surface of the tank and the proper functioning or not of the alert device, a first light source, such as a lamp or photodiode, emits light if water has appeared and does not emit otherwise (or is red in one case or green in the other) and a second light source emits light if the warning device is defective and does not emit otherwise (or is red in one case and green in the other or any other way of presenting information by light signals).
- a first light source such as a lamp or photodiode
- the tank which comprises means for detecting its state by sending signals to an alert device emitting signals, is characterized by a recording medium incapable of recording the signals emitted by the device. alert, in particular of light signals, and by means for converting the signals transmitted into transformed signals able to be recorded by the recording medium, the latter being arranged so as to record the transformed signals coming from the conversion means.
- the recordable signals are sound signals and the recording medium is a tape recorder.
- the attendant can thus add to the information from the tank itself other information, such as the name of the owner, the date of verification, the information from the tank showing that the attendant has passed through.
- the warning device comprises two sources, in particular light sources, one providing information of a first type, for example information on the appearance of water of condensation on the external surface of the tank, and the other of a second type, for example on the proper functioning of the alert device itself.
- the conversion means can be frequency generator oscillators, each controlled by one of the light sources.
- one frequency is assigned to the appearance of water and another frequency to the proper functioning of the electrical circuit.
- the recording medium and the conversion means form a separate assembly from the rest of the tank. It is thus possible for the supervisor to control the work of the tank attendant from a distance.
- the invention also relates to a method for verifying a tank, comprising an alert device emitting a signal representative of the state of the tank, characterized in that it comprises the steps which consist in recording in any order on a recording medium, on the one hand, a signal, in particular sound, not coming from the warning device and, on the other hand, before any other recording relating to another tank and on the same recording medium, a signal, in particular sound, coming from the warning device.
- Figure 1 is a sectional view of a tank according to the invention
- Figure 2 shows, on a larger scale, a part of the tank of Figure 1
- Figure 3 is a sectional view of the interface between the photodiodes and the recording device
- Figure 4 shows a block diagram of the recording device
- Figure 5 shows a diagram of the electrical circuit of the tank.
- the tank 1 comprises a tank 2 whose outer surface 4 is surrounded by an envelope 3 to define a sealed enclosure 5.
- a detector 7 for the appearance of water is disposed on the bottom of the tank 2, on the side of its external surface and is connected by conductors 8, 9 to an electrical circuit 10.
- a detector 7 is described in detail in the request. French patent ⁇ ° 94 15474 corresponding to US application US 08 / 574,446 included here by reference.
- the electrical circuit 10 is shown in FIG. 5.
- the conductor 8 is connected to the base of a transistor 22, the emitter of which is connected to a first branch 23a of a bistable relay 23 with two positions NF and NO.
- This bistable relay branch 23a is connected by an electric wire on the one hand to a terminal of an electric current source 24 and on the other hand to the second branch of the bistable relay 23b with two positions NF and NO.
- the latter is connected by an electric wire to a lamp 25, itself connected to a switch 26 with an ILS flexible blade itself connected to the collector of the transistor 20.
- the second terminal of the electric current source 24 is also connected to the collector of the transistor 22.
- a branch comprising an ILS flexible blade switch 27 for resetting to zero and an auxiliary coil 28 is mounted between the electrical current source terminal which is also connected to the bistable relay 23.
- the coil 29 is part of the bistable relay 23 .
- Two other conductors 30, 31 are mounted at the terminals of the detector 7 and connected, after having passed through the casing 3 in a sealed manner, by an ILS verification switch 32 with a flexible blade.
- a series connection consisting of a lamp 33, a Zener photodiode 34 and a switch 35 ILS is mounted at the terminals of the current source 24.
- the switch 32 short-circuits the electrodes and allows current to pass between them. By closing, the user can then verify that the electrical information circuit 10 is operating normally, if the lamp 25 emits light. If the latter does not emit, it is because a fault exists in the electrical circuit 10 (defective cable, defective components, etc.) and intervention is necessary there.
- the emission of light is caused by the lamp 33 if the voltage of the current source 24 is greater than a value given by the Zener photodiode 34 and therefore if the source 24 of current is in good condition.
- the user reopens the switch 26 ILS and closes for a short time the reset switch 27 ILS which resets the bistable relay to its normal position by supplying the auxiliary coil 29 of the relay.
- switch 27 which returns the bistable relay to the standby position.
- the two lamps do not emit light
- the key is then at the end of the journey. By removing it, it again activates the switch 27, which returns the relay to the standby position, then actuates the switches 35 and 26 causing the emission of light by the lamp 33 and, if there has been permanent condensation or humidity on the detector, the emission of light by the lamp 26.
- the two lamps will successively emit or not and thus provide information concerning the state of the tank.
- the lamp 33 In the event that the operation is correct (no condensation, charged battery and reliable electrical circuit), the lamp 33 emits then ceases to emit, while the lamp 25 will remain without emitting, then the lamp 25 will emit and cease to 'emit, while the lamp 33 will remain without emitting and finally the lamp 33 will emit again, then stop emitting, while the lamp 25 will remain without emitting.
- the sequence will be as follows: Emission of light by the two lamps simultaneously, then extinction of the two, then emission by the lamp 25 alone, then extinction, then emission of light by the two lamps and extinction.
- FIG. 2 shows the interface between the electrical circuit 10 and the recording medium (not shown) used by the attendant.
- the electrical circuit 10 is enclosed in a housing 37 on which are mounted two protrusions 38 and 39 which allow removable fixing by snap-fastening of the connector housing 40 making the connection between the electrical circuit 10 and the recording medium.
- the electrical circuit is arranged so that the two lamps 25 and 33 are located on the upper outer surface of the housing 37, two openings being formed in this upper part of the housing to accommodate the two lamps.
- Figure 3 shows a cross section of the connector housing 40. It is formed in the housing 40 connector two channels 41 and 42 which come in correspondence above the two lamps in the latched position of the housing 40 on the housing 37. In these two channels, are arranged two photodiodes 43 and 44 which are each connected by conductors 45 and 46 to the recording device.
- FIG. 4 shows a block diagram of the recording device.
- Each photodiode 43, 44 is connected to an amplifier 47, 48 which is connected to an oscillator 49, 50 sound frequency generator connected to a speaker 51, 52 (or buzzer).
- a micromagnetophone 53 is arranged so as to record the sound signals emitted by the loudspeakers 51, 52.
- the associated photodiode 43, 44 creates a current amplified by the amplifier 47, 48 which is transmitted to the oscillator 49, 50 sound frequency generator, the speaker 51, 52 then emitting an audible signal recorded by the micromagnetophone 53.
- the oscillators 49, 50 generators of sound frequencies are chosen so as to each emit a frequency which is specific to it.
- the oscillator 49 generates a continuous frequency at 3,000 Hz
- the oscillator 50 generates a switching frequency at 26,500 Hz.
- each sequence of emission and extinction of the lamps 25 and 33 will correspond a sequence of sound frequencies which will allow the person listening to the recording to know the information emitted in the form of light signals by the lamps 25 and 33 during the passage of the magnetic key which activates the switches according to the sequence described previously.
- the attendant Before passing the magnetic key, the attendant can orally indicate on the tape recorder the number of the tank, its address and the date. Then, he passes the magnetic key and the micromagnetophone records the sound sequence corresponding to the state of the given tank. The attendant then goes to another tank.
- Another possibility is to provide several other lamps or photodiodes activated by a flexible blade ILS switch, itself activated by the magnetic key, these additional lamps or photodiodes emitting or not emitting to provide a sequence of light signals characteristic of the lamp and this sequence that can be translated into sounds in the same way as described above using additional oscillators which emit sounds such as for example "tank number as long” and “the date is ", etc. making the system even more independent of the attendant.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Level Indicators Using A Float (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Recording Measured Values (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Burglar Alarm Systems (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002269903A CA2269903A1 (fr) | 1996-10-28 | 1997-10-27 | Citerne a dispositif d'alerte |
| SK540-99A SK284933B6 (sk) | 1996-10-28 | 1997-10-27 | Nádrž a spôsob jej preverovania |
| US09/284,893 US6075446A (en) | 1996-10-28 | 1997-10-27 | Tank with alarm device |
| EP97912257A EP0934512B1 (fr) | 1996-10-28 | 1997-10-27 | Citerne a dispositif d'alerte |
| AT97912257T ATE224535T1 (de) | 1996-10-28 | 1997-10-27 | Tankbehälter mit alarmanlage |
| BR9712581-4A BR9712581A (pt) | 1996-10-28 | 1997-10-27 | Cisterna que possui meios de detecção de seu estado por envio de sinais a um dispositivo de alerta, e, processo de verificação de uma cisterna |
| DE69715648T DE69715648T2 (de) | 1996-10-28 | 1997-10-27 | Tankbehälter mit alarmanlage |
| JP52011498A JP2001508381A (ja) | 1996-10-28 | 1997-10-27 | タンクの警報装置 |
| SI9730397T SI0934512T1 (en) | 1996-10-28 | 1997-10-27 | Tank with alarm device |
| PL97332799A PL184953B1 (pl) | 1996-10-28 | 1997-10-27 | Sposób kontroli stanu cysterny oraz cysterna z urządzeniem alarmowym |
| AU49515/97A AU4951597A (en) | 1996-10-28 | 1997-10-27 | Tank with alarm device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9613121A FR2755110B1 (fr) | 1996-10-28 | 1996-10-28 | Citerne a dispositif d'alerte |
| FR96/13121 | 1996-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1998019146A1 true WO1998019146A1 (fr) | 1998-05-07 |
Family
ID=9497094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR1997/001916 Ceased WO1998019146A1 (fr) | 1996-10-28 | 1997-10-27 | Citerne a dispositif d'alerte |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US6075446A (fr) |
| EP (1) | EP0934512B1 (fr) |
| JP (1) | JP2001508381A (fr) |
| AT (1) | ATE224535T1 (fr) |
| AU (1) | AU4951597A (fr) |
| BR (1) | BR9712581A (fr) |
| CA (1) | CA2269903A1 (fr) |
| CZ (1) | CZ145299A3 (fr) |
| DE (1) | DE69715648T2 (fr) |
| ES (1) | ES2180031T3 (fr) |
| FR (1) | FR2755110B1 (fr) |
| HU (1) | HUP9904229A3 (fr) |
| MA (1) | MA24387A1 (fr) |
| PL (1) | PL184953B1 (fr) |
| SK (1) | SK284933B6 (fr) |
| TR (1) | TR199900924T2 (fr) |
| WO (1) | WO1998019146A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112219098A (zh) * | 2018-04-11 | 2021-01-12 | 开利公司 | 用于控制气氛应用的压力控制货物集装箱 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411647A (zh) * | 2013-07-18 | 2013-11-27 | 江苏华通动力重工有限公司 | 摊铺机缺料报警控制系统及控制方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2132767A (en) * | 1982-10-02 | 1984-07-11 | Dr Mahmood Salehi | Monitoring the property of a medium |
| US5202667A (en) * | 1990-10-19 | 1993-04-13 | Monitoring Systems, Inc. | Electric leakage detector for underground storage tank systems |
| US5229750A (en) * | 1991-08-02 | 1993-07-20 | Welch Jr James G | Fail-safe leak detector including independent and repetetive sensing means |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4850223A (en) * | 1987-07-17 | 1989-07-25 | Tanktech, Inc. | Leak detector |
| US4964296A (en) * | 1988-04-19 | 1990-10-23 | Mobil Oil Corporation | Method and apparatus for detecting liquid leaks |
| FR2728545B1 (fr) * | 1994-12-22 | 1997-01-24 | Liotard Metallurg | Citerne munie de dispositifs de controle du bon etat de la cuve |
-
1996
- 1996-10-28 FR FR9613121A patent/FR2755110B1/fr not_active Expired - Fee Related
-
1997
- 1997-10-21 MA MA24846A patent/MA24387A1/fr unknown
- 1997-10-27 WO PCT/FR1997/001916 patent/WO1998019146A1/fr not_active Ceased
- 1997-10-27 DE DE69715648T patent/DE69715648T2/de not_active Expired - Fee Related
- 1997-10-27 EP EP97912257A patent/EP0934512B1/fr not_active Expired - Lifetime
- 1997-10-27 CZ CZ991452A patent/CZ145299A3/cs unknown
- 1997-10-27 JP JP52011498A patent/JP2001508381A/ja not_active Ceased
- 1997-10-27 ES ES97912257T patent/ES2180031T3/es not_active Expired - Lifetime
- 1997-10-27 PL PL97332799A patent/PL184953B1/pl not_active IP Right Cessation
- 1997-10-27 SK SK540-99A patent/SK284933B6/sk unknown
- 1997-10-27 BR BR9712581-4A patent/BR9712581A/pt unknown
- 1997-10-27 AU AU49515/97A patent/AU4951597A/en not_active Abandoned
- 1997-10-27 US US09/284,893 patent/US6075446A/en not_active Expired - Fee Related
- 1997-10-27 CA CA002269903A patent/CA2269903A1/fr not_active Abandoned
- 1997-10-27 HU HU9904229A patent/HUP9904229A3/hu unknown
- 1997-10-27 AT AT97912257T patent/ATE224535T1/de not_active IP Right Cessation
- 1997-10-27 TR TR1999/00924T patent/TR199900924T2/xx unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2132767A (en) * | 1982-10-02 | 1984-07-11 | Dr Mahmood Salehi | Monitoring the property of a medium |
| US5202667A (en) * | 1990-10-19 | 1993-04-13 | Monitoring Systems, Inc. | Electric leakage detector for underground storage tank systems |
| US5229750A (en) * | 1991-08-02 | 1993-07-20 | Welch Jr James G | Fail-safe leak detector including independent and repetetive sensing means |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112219098A (zh) * | 2018-04-11 | 2021-01-12 | 开利公司 | 用于控制气氛应用的压力控制货物集装箱 |
| US11733124B2 (en) | 2018-04-11 | 2023-08-22 | Carrier Corporation | Pressure controlled cargo container for controlled atmosphere applications |
| CN112219098B (zh) * | 2018-04-11 | 2024-02-09 | 开利公司 | 用于控制气氛应用的压力控制货物集装箱 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU4951597A (en) | 1998-05-22 |
| ES2180031T3 (es) | 2003-02-01 |
| FR2755110A1 (fr) | 1998-04-30 |
| HUP9904229A2 (hu) | 2000-04-28 |
| EP0934512B1 (fr) | 2002-09-18 |
| PL332799A1 (en) | 1999-10-11 |
| MA24387A1 (fr) | 1998-07-01 |
| DE69715648T2 (de) | 2003-08-07 |
| SK284933B6 (sk) | 2006-02-02 |
| JP2001508381A (ja) | 2001-06-26 |
| CA2269903A1 (fr) | 1998-05-07 |
| TR199900924T2 (xx) | 1999-07-21 |
| BR9712581A (pt) | 1999-10-19 |
| PL184953B1 (pl) | 2003-01-31 |
| CZ145299A3 (cs) | 1999-07-14 |
| HUP9904229A3 (en) | 2000-06-28 |
| EP0934512A1 (fr) | 1999-08-11 |
| US6075446A (en) | 2000-06-13 |
| DE69715648D1 (de) | 2002-10-24 |
| FR2755110B1 (fr) | 1998-12-18 |
| ATE224535T1 (de) | 2002-10-15 |
| SK54099A3 (en) | 2000-05-16 |
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