EP3349197B1 - Module d'extraction d'énergie - Google Patents

Module d'extraction d'énergie Download PDF

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Publication number
EP3349197B1
EP3349197B1 EP17207122.7A EP17207122A EP3349197B1 EP 3349197 B1 EP3349197 B1 EP 3349197B1 EP 17207122 A EP17207122 A EP 17207122A EP 3349197 B1 EP3349197 B1 EP 3349197B1
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EP
European Patent Office
Prior art keywords
eim
energy
extraction module
energy extraction
detector line
Prior art date
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Active
Application number
EP17207122.7A
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German (de)
English (en)
Other versions
EP3349197A1 (fr
Inventor
Christian Frey
Peter LÖFFLER
Oliver Zechlin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Schweiz AG
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Siemens Schweiz AG
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/181—Prevention or correction of operating errors due to failing power supply

Definitions

  • the invention relates to an energy decoupling module with a first electrical connection for connecting the energy decoupling module to a detector line, in particular to a two-wire line, of a hazard detection system.
  • Hazard detection systems should also work 24/7 in the event of a power failure.
  • the energy supply must be redundant.
  • the basic supply comes from the low-voltage network of the building. If the general power supply fails, the system is supplied from the integrated safety power supply (usually accumulators) until it is repaired. To supply consumers in accordance with EN 54-4 and VdS, switching from mains to battery operation must therefore take place automatically if the mains voltage fails.
  • This system availability is e.g. in fire alarm systems guaranteed by using a backup battery in the BMZ. If the system is monitored for faults and the repair is carried out within 24 hours, a bridging time of 30 hours is sufficient. If this is not guaranteed, the bridging time of the safety power supply must be increased to 72 hours.
  • the energy available via the bus line is limited, which means that only consumers (actuators, sensors, signal transmitters, etc.) with a very low energy requirement can be used.
  • Radio transmitters with higher energy output ⁇ 1 VA
  • a hazard alarm system must have two independent energy sources (mains and battery).
  • the power supply unit In addition to covering the energy requirements of the system, the power supply unit must be able to maintain the battery charge or charge the battery to at least 80% of its nominal capacity within 24 hours.
  • the battery must be dimensioned so that it has a burglar alarm system for 12 hours (DIN VDE 0833, grades 1 and 2 and VdS class A) or 60 hours (DIN VDE 0833, grades 3 and 4 and VdS class B and C) Fire alarm system can keep 30 hours (DIN 14675 and VdS 2095) ready for operation.
  • EP 2 911 128 A1 discloses an energy decoupling module according to the preamble of claim 1.
  • the energy decoupling module (EIM) has a current limiting unit (SBE) connected in series with the first electrical connection (K), an energy store (C) connected downstream of the current limiting unit (SBE) and a second electrical connection (PS) connected downstream of the energy store (C) for connecting an external consumer (EXT) , wherein the electrical energy (E) taken from the detector line (ML), apart from an electrical self-supply component for the energy decoupling module (EIM), is provided exclusively for the electrical supply of the connected consumer (EXT), and wherein the energy decoupling module (EIM) as one Unit is formed.
  • SBE current limiting unit
  • PS second electrical connection
  • the design of the energy decoupling module (EIM) as a structural unit ensures an integrated and compact design.
  • the configuration as a structural unit can take place, for example, as a housing, with the electrical connections advantageously being provided from the outside through corresponding cutouts are accessible.
  • the assembly can, for example, be positioned next to (ie in the immediate vicinity) a fire or hazard detector, or as a module in a fire or hazard detector.
  • a first advantageous embodiment of the invention resides in an energy decoupling module (EIM), the current limiting unit (SBE) being set up to decouple a constant direct current (I) from the detector line (ML).
  • EIM energy decoupling module
  • SBE current limiting unit
  • the current limiting unit is set up to produce a constant direct current (I) with a maximum current value in the range from 1 to 250 ⁇ A, in particular in a range from 3 to 50 ⁇ A and preferably in one Decouple a range of 5 to 10 ⁇ A from the detector line (ML).
  • a further advantageous embodiment of the invention is that the current limiting unit (SBE) is set up to couple a constant direct current (I) with a maximum current value out of the detector line (ML), the maximum current value with one for the detector line of the hazard alarm system (100 ) corresponds to the specified load factor in the range from 0.5 to 2.
  • a further advantageous embodiment of the invention is that the load factor of the detector line (ML) is determined by the total length of the detector line (ML), by the electrical supply power of a hazard alarm center (Z) connected to the detector line (ML) and by the line quality of the detector line (ML ) is set.
  • a further advantageous embodiment of the invention is that the load factor for a smoke detector that can be connected to the detector line (ML) is set to a standardized value of 1.
  • a further advantageous embodiment of the invention is that the energy store (C) is followed by a first switching element (S1) in series with the second connection (EXT), the energy decoupling module (EIM) having an electronic control unit (SE), in particular a microcontroller, and wherein the control unit (SE) is set up to conductively control the first switching element (S1) when a predetermined value for an electrical charge or electrical energy decoupled from the detector line (ML) is reached in order to control the electrical charge or charge stored in the energy store (C) to connect electrical energy to the second electrical connection (EXT).
  • SE electronice control unit
  • a further advantageous embodiment of the invention is that the electronic control unit (SE) is set up to conductively activate the first switching element (S1) for a predetermined minimum time, in particular for a minimum time in the range from 0.5 to 25 ms and preferably in the range from 1 to 10 ms.
  • a further advantageous embodiment of the invention is that the current limiting unit (SBE) is a step-down converter which converts an input-side input voltage (UE) into an output-side output voltage (UA) at the energy store (C), the output voltage (UA) being smaller in amount is as the input voltage (UE) and the output voltage (UA) preferably has a voltage value in the range from 3 to 5 V.
  • SBE current limiting unit
  • a further advantageous embodiment of the invention is that the energy store (C) is a capacitor and / or an accumulator.
  • first and second electrical connection is designed as a terminal, plug or socket. This makes electrical connection connections in a simple manner provided for electrical contacting.
  • Figure 1 shows exemplary devices for which the present invention can advantageously be used, for example fire detectors, optical / acoustic alarm signal transmitters, optical alarm transmitters.
  • the invention relies in particular on the use of a battery-supporting functional unit for designated peripheral users on a bus in compliance with EN54 / VdS regulations.
  • One aspect of the invention is to provide peripheral devices such as e.g. to connect a radio transmitter via an impulse energy module (IEM).
  • IEM impulse energy module
  • the transmitter is in sleep mode and therefore requires very little energy.
  • the energy collector in the IEM slowly charges with a limited current ( ⁇ 1 mA).
  • the desired amount of energy e.g. 1 VAh
  • the IEM triggers the transmitter, which then sends a radio protocol with embedded data, e.g. can deliver its position, a temperature value, etc. with high power.
  • this pulse operation with e.g. 1x transmission per minute completely sufficient.
  • a double-layer capacitor (gold cap) can be used as the energy collector. This means that a sufficient number of peripheral devices such as e.g. operate a radio transmitter on the bus of a fire alarm system.
  • Figure 2 shows an exemplary base for a fire detector as an exemplary mounting device for the energy decoupling module according to the invention.
  • Figure 3 shows a first exemplary circuit diagram (partial illustration on the left) for the energy decoupling module according to the invention and a graphical representation of an exemplary current profile (partial illustration on the right).
  • the voltage is plotted against the time curve, with the recurring phases of charging, holding and discharging. Unloading takes place after the trigger.
  • FIG 4 shows a second exemplary circuit diagram for the energy decoupling module (EIM) according to the invention, with a first electrical connection (K) for connecting the energy decoupling module (EIM) to a detector line (ML), in particular to a two-wire line, to a hazard alarm system (100), the energy decoupling module ( EIM) a current limiting unit (SBE) connected in series with the first electrical connection (K), an energy store (C) connected downstream of the current limiting unit (SBE) and a second electrical connection (PS) connected downstream of the energy store (C) for connecting an external consumer (EXT ), wherein the electrical removed from the detector line (ML) Energy (E), apart from an electrical self-supply component for the energy decoupling module (EIM), is provided exclusively for the electrical supply of the connected consumer (EXT), and the energy decoupling module (EIM) is designed as a structural unit.
  • K first electrical connection
  • EIM energy decoupling module
  • SBE current limiting unit
  • PS second electrical connection
  • a first advantageous embodiment of the invention resides in an energy decoupling module (EIM), the current limiting unit (SBE) being set up to decouple a constant direct current (I) from the detector line (ML).
  • EIM energy decoupling module
  • SBE current limiting unit
  • a further advantageous embodiment of the invention resides in an energy decoupling module (EIM) with a first electrical connection (K) for connecting the energy decoupling module (EIM) to a detector line (ML), in particular to a two-wire line, to a hazard alarm system (100),
  • the energy decoupling module (EIM) has a current limiting unit (SBE) connected to the detector line (ML), an energy store (C) downstream of the current limiting unit (SBE) and a second electrical connection (PS) downstream of the energy store (C) for connecting an external consumer (EXT) , wherein the current limiting unit (SBE) is set up to decouple a constant direct current (I) from the detector line (ML).
  • the current limiting unit is set up to produce a constant direct current (I) with a maximum current value in the range from 1 to 250 ⁇ A, in particular in a range from 3 to 50 ⁇ A and preferably in one Decouple a range of 5 to 10 ⁇ A from the detector line (ML).
  • a further advantageous embodiment of the invention is that the current limiting unit (SBE) is set up to couple a constant direct current (I) with a maximum current value from the detector line (ML), the maximum current value with one for the detector line of the hazard alarm system (100) predetermined load factor in the range of 0.5 to 2 corresponds.
  • a further advantageous embodiment of the invention is that the load factor of the detector line (ML) is determined by the total length of the detector line (ML), by the electrical supply power of a hazard alarm center (Z) connected to the detector line (ML) and by the line quality of the detector line (ML ) is set.
  • a further advantageous embodiment of the invention is that the load factor for a smoke detector that can be connected to the detector line (ML) is set to a standardized value of 1.
  • a further advantageous embodiment of the invention is that the energy store (C) is followed by a first switching element (S1) in series with the second connection (EXT), the energy decoupling module (EIM) having an electronic control unit (SE), in particular a microcontroller, and wherein the control unit (SE) is set up to conductively control the first switching element (S1) when a predetermined value for an electrical charge or electrical energy decoupled from the detector line (ML) is reached in order to control the electrical charge or charge stored in the energy store (C) to connect electrical energy to the second electrical connection (EXT).
  • SE electronice control unit
  • a further advantageous embodiment of the invention is that the electronic control unit (SE) is set up to conductively activate the first switching element (S1) for a predetermined minimum time, in particular for a minimum time in the range from 0.5 to 25 ms and preferably in the range from 1 to 10 ms.
  • the current limiting unit (SBE) is a step-down converter which has an input-side input voltage (UE) is converted into an output-side output voltage (UA) on the energy store (C), the amount of the output voltage (UA) being smaller than the input voltage (UE) and the output voltage (UA) preferably having a voltage value in the range from 3 to 5 V.
  • a further advantageous embodiment of the invention is that the energy store (C) is a capacitor and / or an accumulator.
  • EIM energy decoupling module
  • EIM energy decoupling module
  • EIM energy extraction module
  • first and second electrical connection K, EXT
  • K, EXT electrical connection connections for electrical contacting are provided in a simple manner.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)

Claims (11)

  1. Module d'extraction d'énergie (EIM) comprenant un premier raccordement électrique (K) pour raccorder le module d'extraction d'énergie (EIM) à une ligne de détecteurs (ML), en particulier à une ligne bifilaire, d'un système de détection de danger (100), caractérisé en ce que
    le module d'extraction d'énergie (EIM) présente une unité de délimitation de courant (SBE) montée en série par rapport au premier raccordement électrique (K), un accumulateur d'énergie (C) monté en aval de l'unité de délimitation de courant (SBE) ainsi qu'un deuxième raccordement électrique (PS) monté en aval de l'accumulateur d'énergie (C) pour raccorder un consommateur externe (EXT), dans lequel l'énergie (E) électrique prise de la ligne de détecteurs (ML), hormis une part d'alimentation électrique propre pour le module d'extraction d'énergie (EIM), est prévue exclusivement pour l'alimentation électrique du consommateur (EXT) raccordé, et dans lequel le module d'extraction d'énergie (EIM) est conçu en tant qu'unité physique.
  2. Module d'extraction d'énergie (EIM) selon la revendication 1, dans lequel l'unité de délimitation de courant (SBE) est conçue pour extraire de la ligne de détecteurs (ML), un courant continu (I) constant.
  3. Module d'extraction d'énergie (EIM) selon l'une des revendications précédentes, dans lequel l'unité de délimitation de courant (SBE) est conçue pour extraire de la ligne de détecteurs (ML), un courant continu (I) constant avec une valeur de courant maximale de l'ordre de 1 à 250 µA, en particulier de l'ordre de 3 à 50 µA et de préférence de l'ordre de 5 à 10 µA.
  4. Module d'extraction d'énergie (EIM) selon l'une des revendications précédentes, dans lequel l'unité de délimitation de courant (SBE) est conçue pour extraire de la ligne de détecteurs (ML), un courant continu (I) constant avec une valeur de courant maximale, dans lequel la valeur de courant maximale correspond à un facteur de charge de l'ordre de 0,5 à 2 pour la ligne de détecteurs du système de détection de danger (100).
  5. Module d'extraction d'énergie (EIM) selon la revendication 4, dans lequel le facteur de charge de la ligne de détecteurs (ML) est déterminé par la longueur totale de la ligne de détecteurs (ML), par la puissance d'alimentation électrique d'une centrale du système de détection de danger (Z) raccordée à la ligne de détecteurs (ML) ainsi que par la qualité de ligne de la ligne de détecteurs (ML).
  6. Module d'extraction d'énergie (EIM) selon la revendication 4 ou 5, dans lequel le facteur de charge est déterminé à une valeur normée de 1 pour un détecteur de fumées pouvant être branché sur la ligne de détecteurs (ML).
  7. Module d'extraction d'énergie (EIM) selon l'une des revendications précédentes, dans lequel l'accumulateur d'énergie (C) est un premier élément de commutation (S1) monté en série en aval du deuxième raccordement (EXT), dans lequel le module d'extraction d'énergie (EIM) présente une unité de commande électronique (SE), en particulier un micro-contrôleur, et dans lequel l'unité de commande (SE) est conçue pour commander le premier élément de commutation (S1) en conduction lorsqu'une valeur prédéfinie est atteinte pour une charge électrique ou énergie électrique extraite de la ligne de détecteurs (ML), afin de relier au deuxième raccordement électrique (EXT), la charge électrique, respectivement l'énergie électrique, stockée dans l'accumulateur d'énergie (C).
  8. Module d'extraction d'énergie (EIM) selon la revendication 7, dans lequel l'unité de commande électronique (SE) est conçue pour commander le premier élément de commutation (S1) en conduction pendant une durée minimale prédéterminée, en particulier pendant une durée minimale de l'ordre de 0,5 à 25 ms et de préférence de l'ordre de 1 à 10 ms.
  9. Module d'extraction d'énergie (EIM) selon l'une des revendications précédentes, dans lequel l'unité de délimitation de courant (SBE) est un convertisseur abaisseur qui convertit une tension d'entrée (UE) côté entrée en une tension de sortie (UA) côté sortie, présente sur l'accumulateur d'énergie (C), dans lequel la tension de sortie (UA) est inférieure à la tension d'entrée (UE) au niveau de la grandeur et dans lequel la tension de sortie (UA) présente de préférence une valeur en volts de l'ordre de 3 à 5 V.
  10. Module d'extraction d'énergie (EIM) selon l'une des revendications précédentes, dans lequel l'accumulateur d'énergie (C) est un condensateur et/ou un accumulateur.
  11. Module d'extraction d'énergie (EIM) selon l'une des revendications précédentes, dans lequel le premier et le deuxième raccordement électrique (K, EXT) est formé en tant que borne, prise mâle ou prise femelle.
EP17207122.7A 2017-01-13 2017-12-13 Module d'extraction d'énergie Active EP3349197B1 (fr)

Applications Claiming Priority (1)

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DE102017200518 2017-01-13

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EP3349197A1 EP3349197A1 (fr) 2018-07-18
EP3349197B1 true EP3349197B1 (fr) 2020-02-05

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2573313A (en) * 2018-05-02 2019-11-06 Eaton Intelligent Power Ltd Alarm notification device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101719723B (zh) * 2009-12-21 2012-05-23 启攀微电子（上海）有限公司 一种限流条件下实现瞬时大电流的电源装置
EP2911128A1 (fr) * 2014-02-24 2015-08-26 Siemens Schweiz AG Système d'alarme de dangers

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