EP0158817B1 - Verbindungsstück für einen Melder - Google Patents

Verbindungsstück für einen Melder Download PDF

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Publication number
EP0158817B1
EP0158817B1 EP85102710A EP85102710A EP0158817B1 EP 0158817 B1 EP0158817 B1 EP 0158817B1 EP 85102710 A EP85102710 A EP 85102710A EP 85102710 A EP85102710 A EP 85102710A EP 0158817 B1 EP0158817 B1 EP 0158817B1
Authority
EP
European Patent Office
Prior art keywords
connector
detector
optical
detectors
electronic circuit
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.)
Expired
Application number
EP85102710A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0158817A1 (de
Inventor
Arnim Sauerbrey
Bernhard Durrer
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.)
Cerberus AG
Original Assignee
Cerberus AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cerberus AG filed Critical Cerberus AG
Publication of EP0158817A1 publication Critical patent/EP0158817A1/de
Application granted granted Critical
Publication of EP0158817B1 publication Critical patent/EP0158817B1/de
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details
    • 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
    • G08B25/003—Address allocation methods and details

Definitions

  • the invention relates to a connecting device for detectors for the detection of changes in state in the environment according to the preamble of patent claim 1.
  • Signaling systems which are provided for the detection of changes in state in the environment generally consist of a more or less large number of spatially distributed detectors connected individually or in groups to signal centers. Such alarm systems must be checked for their functionality at regular intervals if their reliable response in the event of an alarm is to be guaranteed.
  • detectors In modern alarm systems in which up to a hundred detectors are connected to a signaling center, different types of detectors are used, for example, types of detectors such as optical smoke detectors, ionization smoke detectors, flame detectors, heat detectors and / or gas detectors are connected to a signaling center in fire detection systems. Detectors in explosion-proof design can also be used in potentially explosive areas and connected to the same signaling center. Fire alarms and intrusion detectors can also be connected to one signaling system in alarm systems.
  • types of detectors such as optical smoke detectors, ionization smoke detectors, flame detectors, heat detectors and / or gas detectors are connected to a signaling center in fire detection systems.
  • Detectors in explosion-proof design can also be used in potentially explosive areas and connected to the same signaling center. Fire alarms and intrusion detectors can also be connected to one signaling system in alarm systems.
  • a coupling mechanism in which a mounting plate is provided with allocation means which defines a snap-in arrangement for a specific detector head to be coupled with the mount plate, the snap-in arrangement of each type of detector head having a special construction which is associated with the respectively assigned snap-in arrangement determined by the assignment means can be brought into engagement, so that in each case only the specific assigned detector head can be connected to the mounting plate.
  • the mounting plates are identical for all detector types, the coding of the sockets for the individual detector types can be carried out when the system is installed in the field.
  • MI master detectors
  • SI slave detectors
  • Another difficulty is that with the maintenance and care work required at certain time intervals, in which the detectors are often sent to the company for revision, it must be ensured that the correct detector is always inserted in the appropriate version when it is reinstalled. This requires a heavy workload for the service personnel if a large number of detectors has to be replaced.
  • the invention is based on the object of overcoming the above-mentioned disadvantages of the previously known fire alarm systems and of creating a connecting device which makes it possible to easily create alarm systems, in particular fire alarm systems, which comprise different types of detectors and in which individual detectors or groups of detectors are adapted to different environmental conditions or specific uses.
  • Another object of the present invention is to provide a connecting device which makes it possible to simplify the service work in alarm systems of the type mentioned above.
  • the connecting device which is arranged between a detector insert and a signaling center in a detector recording and is intended for a group of detectors connected to a signaling center, which are provided for the detection of certain changes in the state of the environment, which comprise different types of detectors and for different environmental conditions or Certain uses are provided, characterized in that a connector is provided in the detector, in which an electronic circuit for accommodating the detector to the ambient conditions or the intended use is housed and which has a first coded contact device for mechanical connection to the detector and for electrical and / or optical connection with a counterpart, which establishes the electrical and / or optical connection with the signal center via electrical or optical lines, and a z has wide coded contact device for electrical and mechanical connection to the detector insert.
  • a detector 1 of a fire detector in an explosion-proof version is shown in perspective.
  • the detector 1 is fastened in the area to be monitored, preferably on the ceiling. It is closed by a cover, not shown, into which the detector insert, not shown, is inserted and through which the electrical contacts 2 are guided to the detector insert.
  • These contact lugs 7 have a U-shape, the one leg of the U in each case establishing the connection to the electronic circuit 8 (encapsulated with resin), while the other leg engages in slots 6 of a counterpart 4, which connects the electrical connection to one that is not shown Manufactures signal center via electrical lines, also not shown.
  • the detector 4 is firmly connected to the counterpart 4, which has slots 6 on the side facing the connecting piece 9 for receiving the contact tabs 7 and on the opposite side openings 3 for receiving the lines (not shown) leading to the signaling center.
  • the wires are fastened by spring-loaded contacts 5 known per se.
  • the electrical contacts 2, which establish an electrical connection with the detector insert (not shown) are also on the counterpart 4. This ensures a good mechanical connection with the detector insert.
  • the counterpart 4 has such an electrical connection that it is ensured that the electrical connection to the signaling center runs via the electronic circuit 8 arranged in the connector 9.
  • the electrical contacts 2 can, however, also be attached to the connecting piece 9 or to its cover 91 or to the cover of the detector socket 1, which is not shown, with corresponding contact lugs engaging in the counterpart 4.
  • the slots 6 in the counterpart 4 have the same arrangement and the same distance as the contact lugs 7. This can be achieved in a simple manner in that slots that are not required are closed by blind plugs. In the counterpart 4, some electrical connections lead to the contacts 2 for the detector insert, others to the openings 3, only the openings 3 being wired that are required for the electrical connection to the signaling center.
  • FIG. 2 shows the same detector recording on a somewhat smaller scale.
  • the connector 9 is closed with a cover 91.
  • This double coding namely the coding of the first contact device 7 for connecting the connector 9 to the counterpart 4 and the coding of the second contact device 2, 92, 93 for connecting the detector socket 1 to the detector insert, has the effect that when the signaling system is installed Installers can always use only one connector 9 with the correct electronic circuit 8 in the detector socket 1 and that only the correct detector insert can be inserted in the associated detector socket 1 when servicing the alarm system by service personnel. This prevents confusion between detector inserts; it is z. B. prevents installing a detector insert in a non-explosion-proof design in a potentially explosive area.
  • the double coding of the connecting device according to the invention cannot be changed in the field, this ensures that changes cannot be made lightly, accidentally or unauthorizedly during assembly or service.
  • connection device ensures that in this case the electronic circuit 8 is also replaced, since it is not possible to change the coding of the two contact devices.
  • the entire connector 9 must be replaced.
  • the coding of the detector insert is also permanently set, so that only the appropriate detector insert can be inserted into the detector socket 1 provided with the correct connector 9.
  • FIG. 3 shows an embodiment of the connector 9 according to the invention, which not only has electrical contacts 7 but also optical connections in the form of light guides 71.
  • This connection device is used for signaling systems in which the signal connection between the individual detectors and the signaling center takes place by means of optical fibers.
  • the top view of a connecting piece 9 shown in FIG. 3 shows that the light guides 71 can be coded in the same way as the electrical contacts 7, namely by different distances from one another. Other coding options are described below.
  • An electronic circuit 8 and electro-optical converters (not shown in FIG. 3), which convert electrical signals into light signals or transmit such light signals from the detector insert, are arranged in the connecting piece 9.
  • Such transducers are generally known, they are not the subject of the present invention and are therefore not described in detail.
  • the counterpart 4 in this case has not only electrical contacts, but instead of the slots 6 light guides, which correspond exactly in their arrangement to the arrangement of the light guides 71 in the connecting piece 9. The signals are also forwarded to the signaling center by light guides.
  • the connecting piece 9 can also have a different combination of electrical contacts 7 and light guides 71 than is shown in FIG. 3. It is also possible that the signal transmission from the detector insert to the electronic circuit 8 also takes place via light guides.
  • FIG. 4 shows a cross section through a light guide 71 and in each case a part of the connecting piece 9 and the counterpart 4 along the line A - A of FIG. 3.
  • the light guide 71, z. B. can be surrounded with an opaque Kungstoff für 72, is fixed in the connector 9 and leads to an electro-optical converter 10, the z. B. a Can be transmitter or receiver and establishes the functional connection to the electronic circuit 8.
  • the other end of the light guide 71 is inserted into the counterpart 4 of the detector 1 and establishes the optical connection with a correspondingly arranged light guide 74 in the counterpart 4, which leads to the signal center.
  • the connecting device according to the invention was described in the above examples in such a way that the male piece is attached to the connecting piece 9 and the female piece to the counterpart 4.
  • the connecting device can also be designed such that the male piece is provided on the counterpart 4 and the female piece on the module 9.
  • the electrical contacts 7 and the light guides 71 can also have different cross sections than shown in FIGS. 1 to 4. For example, they can have a square, elliptical or trapezoidal cross section. With these different cross sections, coding of the first contact device can also be achieved. This type of coding can be used in combination with the coding described in connection with FIGS. 1 to 4, or it can replace it.
  • connection device according to the invention was described with the aid of a fire detector in an explosion-proof design. It goes without saying that the invention is not restricted to these exemplary embodiments. It can also be used, for example, in intrusion detection systems or in systems that serve to protect against intrusion and fire at the same time.
  • the connection device according to the invention is of particular advantage in large alarm systems in which a large number of different detectors are combined. Examples of different types of detectors are: ionization smoke detectors, optical smoke detectors, thermal differential detectors, gas detectors or flame detectors. As intrusion detectors such. B. called: passive infrared detector or ultrasonic detector.
  • the connecting device according to the invention for fire alarm systems is of particular importance if the different types of fire detectors are to be adapted to different environmental conditions or specific uses.
  • the detectors may be desirable to make the detectors addressable so that the signaling center can recognize which detector has responded.
  • the connecting device according to the invention enables a substantial simplification of the range in all these cases by accommodating the electronic circuit 8 required for the adaptation in the connecting piece 9. It is then only necessary to keep a correspondingly large number of connecting devices in stock.
  • the connecting device according to the invention also ensures increased security against mix-ups during the installation and service of the detectors.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP85102710A 1984-04-12 1985-03-09 Verbindungsstück für einen Melder Expired EP0158817B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1836/84 1984-04-12
CH1836/84A CH667341A5 (de) 1984-04-12 1984-04-12 Verbindungseinrichtung fuer melder.

Publications (2)

Publication Number Publication Date
EP0158817A1 EP0158817A1 (de) 1985-10-23
EP0158817B1 true EP0158817B1 (de) 1987-09-02

Family

ID=4219730

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85102710A Expired EP0158817B1 (de) 1984-04-12 1985-03-09 Verbindungsstück für einen Melder

Country Status (9)

Country Link
EP (1) EP0158817B1 (xx)
JP (1) JPS60231297A (xx)
CH (1) CH667341A5 (xx)
DE (1) DE3560539D1 (xx)
DK (1) DK163385A (xx)
ES (1) ES8608203A1 (xx)
FI (1) FI851424L (xx)
NO (1) NO163549C (xx)
YU (1) YU61385A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2839906B2 (ja) * 1988-09-05 1998-12-24 アポロ、ファイヤ、ディテクターズ、リミテッド アドレス可能な火災報知機アセンブリー
EP0362985B2 (en) 1988-09-05 1998-10-14 Apollo Fire Detectors Limited Improved address setting means for fire detectors
EP0419703B1 (de) * 1989-09-27 1995-04-05 Siemens Aktiengesellschaft Verfahren zur frei wählbaren Vergabe von Melderadressen in einer Gefahrenmeldeanlage, die nach dem Kettensynchronisationsprinzip arbeitet
US5357243A (en) * 1992-10-15 1994-10-18 Pittway Corporation Electrical unit with an adjustable mechanical switch for address verification

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE456804A (xx) *
DE558166C (de) * 1929-11-30 1932-09-02 Aeg System von unverwechselbaren Steckvorrichtungen
DE1944606A1 (de) * 1969-09-03 1971-03-04 Emkade Gmbh Sicherheitsvorrichtung,z.B. Warnanlage oder Sicherheitsschloss
DE2534775B2 (de) * 1975-08-04 1977-06-30 Siemens AG, 1000 Berlin und 8000 München Anordnung bei flachbaugruppen mit frontsteckern
DE2916412C2 (de) * 1979-04-23 1982-04-22 Hochiki Corp., Tokyo Kupplungsmechanismus für einen Branddetektor Rauchgasanzeiger o.dgl.
JPS577101U (xx) * 1980-06-13 1982-01-14
JPS57109098A (en) * 1980-11-12 1982-07-07 Figgie Int Inc Attachment for fire alarm
JPS5785191A (en) * 1980-11-14 1982-05-27 Matsushita Electric Works Ltd Sensor

Also Published As

Publication number Publication date
ES8608203A1 (es) 1986-06-01
NO851428L (no) 1985-10-14
DE3560539D1 (en) 1987-10-08
NO163549C (no) 1990-06-13
FI851424L (fi) 1985-10-13
CH667341A5 (de) 1988-09-30
ES542901A0 (es) 1986-06-01
JPS60231297A (ja) 1985-11-16
DK163385A (da) 1985-10-13
YU61385A (en) 1987-10-31
DK163385D0 (da) 1985-04-11
EP0158817A1 (de) 1985-10-23
FI851424A0 (fi) 1985-04-10
NO163549B (no) 1990-03-05
JPH0481235B2 (xx) 1992-12-22

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