House alarm

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Under house alarm is understood to mean audible and visual signals within a building having a alarm display. As acoustic signal transmitters are sirens , bells and signal horns used. If acoustic signaling devices are already installed in the building, these are often also used for the house alarm. The alarm signal must be clearly different from the normal signal. An example of the use of existing signaling devices are schools in which the school bell can be used for the house alarm. Flashing lights, flashing lights and all-round lights are used as optical signal transmitters .

The signaling devices of the house alarm are usually connected to a house alarm system. Depending on the design of the system, it is ensured that the alarm can nonetheless be triggered and perceived in various hazardous situations that limit the functionality of the house alarm system. In the event of a power failure, the alarm function can be ensured by an uninterruptible power supply (UPS). Redundant and robust cabling and wireless communication ensure that the signaling device can give the house alarm even in the event of fire or mechanical influences.

No safety-related requirements in the sense of fire alarm systems and the applicable standards are made on house alarm systems . The term house alarm is also not standardized. Initially, the term was used to refer to the alarm in correctional facilities , with which the judicial staff could call colleagues for help in addition to the red push-button alarm to call the fire brigade with a blue push-button alarm - hence the term house alarm.

The trigger points of a house alarm are usually non-automatic manual release devices that are designed in the color blue and labeled with house alarm . In addition come automatic detectors used.

In the past, some building supervisors and fire brigades required the use of blue manual call points if the fire alarm system was not connected to the fire brigade. With the harmonization of the European standards, the color red has generally been specified in EN 54-11 for manual call points since 2001 - regardless of whether the system is connected to the fire brigade. The decisive factor is the use as a fire alarm and hazard alarm system with alarming of people and triggering of fire controls. To distinguish between them, the manual call points are now additionally labeled in accordance with the connection conditions of the fire services. The internal alarm is often referred to as a house alarm.

  • House alarm detector

  • Push button alarm in Austria

  • Push button alarm in Germany

See also

  • DIN 14675 - standard for the professional construction and operation of a fire alarm system that triggers a direct alert to the fire brigade
  • Operation alarm - alarm that leads directly to the alerting of emergency services

Web links

Individual evidence

  1. ^ BHE Bundesverband Sicherheitstechnik eV: BHE guidelines for house alarm systems (HAA). Retrieved January 11, 2017 .
  2. ↑ Landesfeuerwehrverband Bayern eV: Specialized information from Department 4 describing the color design of trigger points for fire protection devices. (PDF) (No longer available online.) April 2011, archived from the original on January 14, 2017 ; accessed on January 14, 2017 .
  3. ↑ District Office Alb-Donau-Kreis, Specialist Service 20, Fire and Disaster Protection: Leaflet: Designs of manual release devices. (PDF) Retrieved January 14, 2015 .