FR2723657A1 - Self-sufficient alarm circuit for e.g warning of temperature change in autoclave, refrigerator etc. - Google Patents

Self-sufficient alarm circuit for e.g warning of temperature change in autoclave, refrigerator etc. Download PDF

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Publication number
FR2723657A1
FR2723657A1 FR9410130A FR9410130A FR2723657A1 FR 2723657 A1 FR2723657 A1 FR 2723657A1 FR 9410130 A FR9410130 A FR 9410130A FR 9410130 A FR9410130 A FR 9410130A FR 2723657 A1 FR2723657 A1 FR 2723657A1
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France
Prior art keywords
alarm
autoclave
warning
self
temperature change
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Granted
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FR9410130A
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French (fr)
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FR2723657B1 (en
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Individual
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Individual
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Priority to FR9410130A priority Critical patent/FR2723657B1/en
Publication of FR2723657A1 publication Critical patent/FR2723657A1/en
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Publication of FR2723657B1 publication Critical patent/FR2723657B1/en
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Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The alarm device for use in conjunction with mains-powered appliances includes a sensor (1) which determines the size of a monitored value. The circuit includes a rectifier (4) supplying a battery (3) in order to provide a continuous supply to an alarm device (2) if the power should fail. The device is intended to issue an alarm signal, if a value such as temperature, pressure, speed, acceleration, etc. exceeds a given threshold. The alarm also operates if the main voltage supply is interrupted through damage to a cable or some other failing.

Description

La présente invention concerne un dispositif destiné à attirer l'attention sur un risque de modification d'une grandeur - modification jugée, considérée ou définie comme préjudiciable- dans une installation ou machine alimentée par le secteur électrique. The present invention relates to a device intended to draw attention to a risk of modification of a quantity - modification judged, considered or defined as detrimental - in an installation or machine supplied by the electrical sector.

A titre d'exemple non limitatif, la grandeur en question peut être physique (température, pression, volume, vitesse, accélération, masse, force, énergie, puissance, potentiel, impédance, intensité, flux lumineux, bruit etc.), chimique (activité, fugacité, cinétique etc.), biologique (population, écosystème etc.) etc. By way of nonlimiting example, the quantity in question can be physical (temperature, pressure, volume, speed, acceleration, mass, force, energy, power, potential, impedance, intensity, luminous flux, noise etc.), chemical ( activity, transience, kinetics etc.), biological (population, ecosystem etc.) etc.

Traditionnellement, une telle installation ou machine soit ne possède pas d'alarme, soit possède une alarme alimentée par le secteur. Ce qui, en l'absence de courant, maintient le risque de modification -voire l'accroft, l'absence de courant constituant un risque à lui seul-, que cette alarme soit optique, acoustique, télétransmise ou autre ou encore combine plusieurs types d'alarme. Traditionally, such an installation or machine either does not have an alarm or has an alarm powered by the sector. Which, in the absence of current, maintains the risk of modification - or even the acroft, the absence of current constituting a risk in itself -, whether this alarm is optical, acoustic, remote transmission or other or even combines several types alarm.

Le dispositif selon l'invention permet de remédier à tous les inconvénients cités. I1 comporte, en effet, la propriété d'être totalement indépendant du secteur. The device according to the invention overcomes all the drawbacks mentioned. It includes, in fact, the property of being completely independent of the sector.

Selon des modes particuliers de réalisation, l'alimentation de l'alarme peut être assurée par un onduleur, une ou plusieurs piles, batteries ou autre dispositif simple ou combiné: - soit totalement indépendant du secteur, - soit alimenté par le secteur (lorsque celui-ci est sous tension), - soit combinant ces deux modes de connexion. According to particular embodiments, the power supply of the alarm can be ensured by an inverter, one or more batteries, batteries or other simple or combined device: - either completely independent of the sector, - or supplied by the sector (when that -this is live), - or combining these two connection modes.

Le dessin annexé illustre l'invention: la figure représente, à titre d'exemple, le troisième mode de connexion. The accompanying drawing illustrates the invention: the figure shows, by way of example, the third connection mode.

En référence à ce dessin, le dispositif comporte un capteur (1) de la grandeur à mesurer ou à détecter, l'alarme (2), une batterie (3) alimentant l'alarme en l'absence de secteur, et un redresseur (4) maintenant la batterie chargée tant que le secteur est sous tension. With reference to this drawing, the device comprises a sensor (1) of the quantity to be measured or detected, the alarm (2), a battery (3) supplying the alarm in the absence of a sector, and a rectifier ( 4) keeping the battery charged as long as the mains is on.

A titre d'exemple non limitatif, l'alarme peut être donnée: - soit lorsque la grandeur choisie dépasse un seuil déterminé, - soit dès coupure du secteur -que cette coupure soit accidentelle ou non, due à un manque de tension, une rupture de câble, une manoeuvre de l'interrupteur ou toute autre cause directe ou indirecte, volontaire ou non, maladresse, négligence ou malveillance-, - soit combiner ces deux objectifs. By way of nonlimiting example, the alarm can be given: - either when the quantity chosen exceeds a determined threshold, - or as soon as the mains is cut - whether this cut is accidental or not, due to a lack of voltage, a break of cable, an operation of the switch or any other direct or indirect cause, voluntary or not, awkwardness, negligence or malice-, - or combine these two objectives.

Le dispositif selon l'invention est particulièrement destiné à alerter les personnes sur une modification de température pour appareils devant maintenir soit un seuil inférieur (exemples: stérilisateur, autoclave), soit un seuil supérieur (exemples: congélateur, réfrigérateur), soit les deux (exemples: climatisation en hôpital, laboratoire ou "salle blanche").  The device according to the invention is particularly intended to alert people to a change in temperature for devices which must maintain either a lower threshold (examples: sterilizer, autoclave), or an upper threshold (examples: freezer, refrigerator), or both ( examples: air conditioning in hospitals, laboratories or "clean rooms").

Claims (3)

REVENDICATIONS 1) Dispositif d'alarme pour installation alimentée par secteur, caractérisée en ce qu'il comporte un capteur (1) de la grandeur à mesurer ou à détecter, l'alarme (2), et un moyen autonome (3) permettant l'alimentation en l'absence de secteur. 1) Alarm device for mains-powered installation, characterized in that it comprises a sensor (1) of the quantity to be measured or detected, the alarm (2), and an autonomous means (3) allowing the power supply in the absence of sector. 2) Dispositif selon revendication 1, caractérisé en ce que le moyen autonome est une batterie (3). 2) Device according to claim 1, characterized in that the autonomous means is a battery (3). 3) Dispositif selon revendication 2, caractérisé en ce qu'il comporte un redresseur (4) maintenant la batterie chargée tant que le secteur est sous tension.  3) Device according to claim 2, characterized in that it comprises a rectifier (4) keeping the battery charged as long as the sector is energized.
FR9410130A 1994-08-12 1994-08-12 AUTONOMOUS ALARM Expired - Fee Related FR2723657B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9410130A FR2723657B1 (en) 1994-08-12 1994-08-12 AUTONOMOUS ALARM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9410130A FR2723657B1 (en) 1994-08-12 1994-08-12 AUTONOMOUS ALARM

Publications (2)

Publication Number Publication Date
FR2723657A1 true FR2723657A1 (en) 1996-02-16
FR2723657B1 FR2723657B1 (en) 1996-10-25

Family

ID=9466383

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9410130A Expired - Fee Related FR2723657B1 (en) 1994-08-12 1994-08-12 AUTONOMOUS ALARM

Country Status (1)

Country Link
FR (1) FR2723657B1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3837629A1 (en) * 1988-11-05 1990-05-17 Erwin Dietz Method for monitoring electrical cooling appliances, especially refrigerators or freezers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3837629A1 (en) * 1988-11-05 1990-05-17 Erwin Dietz Method for monitoring electrical cooling appliances, especially refrigerators or freezers

Also Published As

Publication number Publication date
FR2723657B1 (en) 1996-10-25

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