EP4176421A1 - Verfahren zum automatischen identifizieren von brandmeldern - Google Patents
Verfahren zum automatischen identifizieren von brandmeldernInfo
- Publication number
- EP4176421A1 EP4176421A1 EP21728458.7A EP21728458A EP4176421A1 EP 4176421 A1 EP4176421 A1 EP 4176421A1 EP 21728458 A EP21728458 A EP 21728458A EP 4176421 A1 EP4176421 A1 EP 4176421A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fire alarm
- fire
- distance data
- sequence
- distance
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
- G08B25/14—Central alarm receiver or annunciator arrangements
Definitions
- the invention relates to a method for the automatic identification of fire detectors of a fire alarm system.
- the fire alarms are connected to a bus line.
- the bus line is connected to a central unit (fire alarm center), referred to below for short as the central unit.
- a central unit is often referred to as a panel in technical terminology.
- the bus line is connected to the control center as a ring.
- the bus line therefore starts from the control center and ends at the control center.
- a transmission of data and / or energy via the bus line and starting from the control center is basically possible in either of the two conceivable directions. In this way, in the event of a defect in the bus line, data and / or energy can be transmitted from the control center to the two segments of the bus line resulting from the defect.
- the bus line is referred to below as the transmission line. Due to the ring-shaped topology (without an error situation), the transmission line is a transmission ring line. Branch branches can branch off from this.
- German patent DE 40 38 992 CI is a method for the automatic assignment of detector addresses in a Ge driving alarm system with a control center and at least one there associated with primary reporting line, on which several with at least one transmission device, a measured value memory, an address memory, a voltage measuring device and a switch formed hazard alarms are arranged, known.
- the control center applies a no-load voltage to the line, which supplies the detectors with energy.
- a short-circuit voltage is applied to the line, which means that all detectors whose address memory is empty short-circuit the line using the switch.
- a measuring current is impressed, and the the voltage dropping with the switch closed is determined by the voltage measuring device and its value is stored in the measured value memory.
- an interrogation voltage is applied to the line, whereby the detector, whose measured value memory is occupied but whose address memory is empty, is able to communicate and receives an address from the control center, which it stores in the address memory.
- the method is used to install peripheral devices in locations with a connection to a central processing unit.
- the respective position of the installer is registered together with the associated time information, and the time at which the peripheral device was installed is stored in the central unit.
- the two pieces of time information are linked to one another and the location of the peripheral device at the time of installation is obtained from this.
- the device for carrying out this method comprises a mobile station which is equipped with means for determining the respective position of the station and with means for registering this position as a function of time.
- means are provided for the timely reporting of the installation of a peripheral device to the central unit and means for linking the installation time with the position of the station at this time.
- the technical identification includes, for example, a bus address of the fire alarm, a serial number of the fire alarm, a hardware address or the like.
- An object of the invention is accordingly to provide a method for identifying fire alarms that can run automatically.
- the automatic identification is based on distances (Airline distance) or, in other words, linear distances between the devices on the one hand and line lengths (hereinafter referred to as distances) or, in other words, on the line distances between the devices on the other hand.
- the straight line distances are in particular the shortest possible distances between two devices.
- the distances or straight line distances are available in the form of floorplan data or are determined on the basis of floorplan data as part of the procedure.
- the distances or line distances are measured along the transmission ring line.
- the method is based on the use of two technical sources of information.
- the first source of information is the floor plan and the data it comprises.
- the second information source is a measurement carried out by the control center (basically known per se) along the transmission line.
- the floor plan includes, for example in the form of CAD data, the installation locations of the fire alarms and the control center.
- CAD data In the case of new buildings in particular, there are almost without exception CAD plans of the building or a floor or even just a room. The positions of the fire alarms and the control center are recorded in such plans.
- Such data can be evaluated electronically and are evaluated electronically within the scope of the method proposed here.
- the control center determines the line resistances (resistance of the transmission line) to the individual fire detectors connected to the transmission line on the basis of the specific resistance of the transmission line and, on the one hand, uses this to determine the distances between two adjacent fire alarms along the transmission line and between the control center and the first fire alarm along the transmission line and between the control center and the last fire alarm along the transmission line. As part of this measurement, the control center also determines a fire alarm sequence, i.e. a sequence of fire alarms along the transmission line.
- a graph is generated by means of the distances and the distances. This includes a lot of potential connection sequences.
- This set includes at least one potential connection sequence.
- the fire alarm sequence and the or each potential connection sequence each include designations.
- the names of the fire alarm sequence each reference a fire detector connected to the transmission line.
- the designations of the or each potential connection sequence each reference a fire detector provided according to the floor plan data.
- a potential connection sequence that matches the fire alarm sequence is determined as part of the method. Due to the potential connection sequence determined to be suitable, the result of the procedure is a correspondence between the designations included in the fire alarm sequence on the one hand and the connection sequence determined on the other, in their order within the fire alarm sequence or the connection sequence determined.
- the determined correspondence represents the identification of the fire detector aimed at with the method.
- the determined connection sequence includes the designations of the fire alarms in the distance data sets, i.e. the designations of the fire alarms in the first database.
- the first database is the floorplan data or the first database is based on the floorplan data.
- the determined connection sequence thus includes the names of the fire detectors in the floor plan data.
- the fire alarm sequence includes the names of the fire alarms in the distance data records. The names there are, for example, the bus addresses of the fire alarms or the like.
- the method is preferably implemented in the form of a computer program.
- the computer program is an implementation of the present method for the automatic identification of fire alarms.
- the invention is thus, on the one hand, a computer program with program code instructions that can be executed by a computer and, on the other hand, a storage medium with such a computer program, i.e. a computer program product with Programmcodemit, and finally also a device in the memory of which as a means for carrying out the method and such a computer program is loaded or loadable in its refinements.
- the invention is also a device which is intended and set up to carry out the method.
- the control center of the fire alarm system or a control center from a group of several control centers of the fire alarm system come into consideration as such a device.
- the method includes the additional procedural steps of transmitting the data determined by the control center as part of the method to this device for further processing there. Examples of such Vorrichtun conditions are a so-called edge device or at least one device or a group of devices in the so-called cloud.
- the respective device in particular the control center, comprises a processing unit in the form of or in the form of a microprocessor and a memory in which an implementation of the method in software is stored or in a manner known per se in order to carry out the method proposed here an implementation is stored or imprinted in software and firmware.
- the control center executes the method, for example when a fire alarm system comprising the control center is commissioned for the first time.
- the floorplan data are made available to the control center in a manner known per se, for example in that the control center can at least temporarily access a memory with these data via a network connection (Ethernet or the like).
- the method can also be developed by means of individual or several procedural features that relate to method steps executed by a corresponding device, and the device can also be developed by means for executing method steps executed as part of the method.
- each device of the fire alarm system there is a symbolic designation used in the context of the method, that Distance data records are available or generated as part of the process, which include the symbolic names of two devices of the fire alarm system and a distance between the respective devices, that each distance data record includes the names of the respective devices as the starter and end device, that distances along the transmission line are measured between the devices of the fire alarm system and stored in the order of the measurement along the transmission line as distance data records that a graph is generated on the basis of the distance data records and the distance data records within the scope of the method and that the generated graph includes the or each potential connection sequence , namely the or a potential connection sequence that is examined as part of the procedure with regard to the fire alarm sequence.
- the symbolic names of the fire alarms mentioned above come, for example, from the floor plan data and in such a case are already created there as symbolic names of the fire alarms.
- the names of the respective devices in a distance data set are referred to as the start and end device (each distance data record includes the names of the respective devices as the start and end device).
- the distance data sets encode the above-mentioned distances between the devices and the distance data sets encode the distances between the devices, which are also mentioned above.
- the distance data sets and the distance data sets are the first and second sources of information, respectively.
- the graph generated as part of the method is generated in several steps.
- a node representing the center is created in the graph and denoted by the symbolic designation of the center.
- the distance data records are then processed one after the other according to their sequence. In doing so, the respective distance data record and the name of the last Matching distance data records searched for in the created node.
- a new node with the designation of the target device of the respective distance data record is created in the graph and connected to the node created in the previous step.
- the method is then continued with a new step with the processing of the distance data records until all distance data records have been processed.
- This embodiment of the method is an example of generating a graph which comprises at least one path between a first node representing the center and a last node also representing the center.
- a symbolic designation was assigned to each node as part of the process, and a sequence of symbolic designations results from the sequence of nodes on this path.
- Such a path results from a corresponding subtree of the graph.
- the terms path and subtree are synonymous in this respect: each subtree of the graph describes / defines a path in the graph; each path in the graph is based on a subtree of the graph. All symbolic designations occurring along the way are taken into account without the first symbolic designation (designates the control center) and the last symbolic designation (also designates the control center). This is a sequence of symbolic names, and this sequence (any such sequence) is a potential connection sequence.
- the metrological determination of the distances takes place either in precisely one measuring direction or according to a special method that is implemented, for example, as a sub-method within the method proposed here.
- the metrological determination of the distances is carried out starting from the control center at least in sections in a first measuring direction and subsequently, also starting from the control center, at least in sections in a second measuring direction opposite to the first measuring direction (distance measurement in both measuring directions), whereby all fire detectors are recorded at least once with the measurements in the first measuring direction and the second measuring direction.
- This partial method of distance measurement in both measurement directions can be used as the basis for a later procedure, in particular a test or identification procedure, and is independent of the fact that execution of a later procedure for the partial procedure of distance measurement in both measurement directions is not possible necessary is.
- This partial method of distance measurement in both measuring directions is preferably used as the basis for the previously described method and its configurations and is independent of the fact that a later execution of the method described up to now and possible configurations for the partial method of distance measurement in both measurement directions not necessary.
- the distance measurement in both measurement directions can take place completely independently of any form of subsequent use of the measurement values (distance measurement values) obtained during this distance measurement.
- the method for measuring in two directions in a form that is independent of any later execution of test or identification methods can be briefly defined as follows: Method for carrying out measurements in a fire alarm system and in a building, the fire alarm system being a central unit as a device as well as fire alarms connected to the control center via a transmission line, the fire alarm system comprising these devices and the transmission line, with a metrological determination of distances in the fire alarm system starting from the control center at least In sections in a first measuring direction and, also starting from the control center, at least in sections in a second measuring direction opposite to the first measuring direction, and all fire alarms are detected at least once with the measurements in the first measuring direction and the second measuring direction.
- the advantage of the invention is that the identification of the fire alarms can take place automatically or at least essentially automatically, thus eliminating the previously unavoidable sources of error.
- Another advantage is that, for example, if a fire alarm needs to be replaced, its position in the building / on the floor / in the room is precisely known, namely from the floorplan data, by making an exact assignment based on the method proposed here (Identification) of the physical fire alarm with network address (bus address) and / or serial number or the like is given to the Florplan data.
- Show it 1 shows a so-called floor plan with fire alarms and a fire alarm center (control center),
- FIG. 2 shows a fire alarm system with a control center, a transmission line connected to the control center and fire alarms connected to the transmission line and thus also to the control center,
- FIG. 3 shows a first and a second database with distance data records or distance data records
- FIG. 4 shows a graph produced in the context of the method proposed here and on the basis of the distance and distance data sets
- FIG. 6 shows a schematically simplified representation of a computer program as an implementation of the method proposed here.
- FIG. 1 shows a simple so-called floor plan - that is, a floor plan or a floor plan of a building not shown in detail - with fire alarms 10 and a control center (fire alarm center, central unit) 12 that controls and monitors the fire alarms 10 recognizable distinguishing features recorded in the floor plan that can be used for identification.
- a control center fire alarm center, central unit 12 that controls and monitors the fire alarms 10 recognizable distinguishing features recorded in the floor plan that can be used for identification.
- the types of detectors - manual call points, heat detectors, optical smoke detectors, combined detectors, input and output modules - can be differentiated.
- the fire alarms 10 are by means of a transmission, sometimes referred to below as transmission line 14 (FIG 2) supply ring line, possibly a transmission ring line with a branch branch or several branch branches, connected to the center 12.
- transmission line 14 (FIG 2) supply ring line, possibly a transmission ring line with a branch branch or several branch branches, connected to the center 12.
- each fire alarm 10 is assigned a symbolic designation that is fundamentally freely selectable but unambiguous within the floor plan.
- the fire alarms 10 are symbolically denoted by "Ml”, "M2", etc. and the control center 12 is symbolically denoted by "Z".
- the number of fire alarms 10 is selected for the description presented here and, in the interests of a clear presentation, the floor plan shown includes only a few fire alarms 10. In practice, a significantly larger number of fire alarms 10 is common. The approach proposed here is equally suitable for many fire alarms 10, for example twenty, thirty and more fire alarms 10, but also for fewer fire alarms 10, for example five or ten fire alarms 10.
- the floorplan data are in a computer-readable form (for example in the form of CAD data) and a corresponding file or the like with the floorplan data is used in the following as a database 20 and to distinguish it from another database to be explained later (FIG 2) is referred to as the first database 20.
- the first database 20 includes the positions (installation locations) of the control center 12 and each fire alarm 10 connected to the control center 12 by means of the transmission line 14.
- the first database 20 includes these positions, for example, directly, in particular in the form of CAD data, or the positions result from the data comprised by the first database 20.
- the distances between the control center 12 and at least individual fire alarms 10 and between at least individual fire alarms 10 among each other, in particular between the control center 12 and each fire alarm 10 and between all fire alarms 10, result from the respective positions among themselves. In the illustration in FIG. 1, individual distances are shown by way of example, for example "15 m", "8 m", etc.
- the distances are the lengths of a distance between two fire alarms 10 or between the control center 12 and a fire alarm 10.
- the distance between the fire alarms 10 symbolically labeled "Ml” and “M2” is "8 m” in the example shown, ie eight meters
- the distance between the control center 12 and the fire detector 10 symbolically designated by "Ml” is "15 m” in the example shown, that is to say five tens of meters.
- the amount of distances to be considered can be limited in an automatically evaluable form from the floor plan data, for example if a building wall is located between the control center 12 and individual fire alarms 10 or a fire alarm 10 and other fire alarms 10.
- a limiting The number of distances to be considered can also be determined in an automatically evaluable form on the basis of different types of fire alarms 10 and / or possible branch branches.
- distance data record 22 a data set referred to below as distance data record 22. It does not matter whether such data records 22 are stored in a separate data structure or whether such data records 22 are only created temporarily on the basis of the data in the first database 20. For the sake of simple reference, distance data records 22 will nevertheless be used in the following, and the above lines can accordingly be seen as examples of such distance data records and their contents.
- a single distance data record 22 is shown symbolically in FIG.
- Each distance data record 22 includes the distance determined in each case and the designations of those devices (control center 12 or fire alarm 10) between which the respective distance is be.
- the respective devices are generally called “starter device” and “terminal device” and with these terms the content of a distance data record 22 can generally be written as follows:
- Each distance data record 22 thus comprises distance data, namely the respective distance, and designation data, namely the designations of the respective starter and end device.
- the first database 20 includes (directly or indirectly) the distance data sets 22. The first database 20 therefore also includes these distance and designation data.
- FIG. 2 shows a fire alarm system and, as devices comprised by the fire alarm system, the control center 12 and the fire alarms 10 according to FIG. 1.
- the transmission line 14 is shown, to which the central unit 12 and each individual fire alarm 10 are connected and which connects the fire alarm 10 to the central 12.
- the fire alarms 10 are connected to the transmission line 14 and connected to the center 12 by means of the transmission line 14.
- the transmission line 14 is part of the fire alarm system.
- the transmission line 14 is shown as a pure ring line, that is to say without any branch branches that are basically possible from the transmission line 14.
- the following description he follows in the interest of simple relationships using the example of a transmission line 14 in the form of a pure ring line.
- the innovation proposed here is expressly not limited to a transmission line 14 in the form of a pure ring line and whenever the transmission line 14 is mentioned or when a transmission ring line is mentioned, a transmission line 14 in the form of a pure ring line and a transmission line 14 in the form of a ring line with at least one The branch branch off the ring line must always be read.
- the control center 12 (as the starting or starting point of the transmission line 14) is followed by a fire alarm 10, this is followed by a further fire alarm 10, etc., until the transmission line 14 finally ends at the control center 12 (as the end point of the transmission line 14).
- a fire alarm 10 In the case of a transmission ring line with branch branches - not shown here - at least one fire detector 10 is connected to each branch branch.
- the connection of the fire alarm 10 to the control center 12 is for data exchange via the transmission line 14.
- the data exchange takes place at least between the control center 12 and each fire alarm 10
- Each fire alarm 10 is supplied with energy from the control center 12 and via the transmission lines device 14.
- the data exchange or the data exchange as well as the energy transmission take place or take place, for example, on the basis of a basically known data transmission or data and energy transmission protocol.
- the protocol used by the applicant in this regard is known under the name FDNet.
- the control center 12 and the fire alarm 10 are also indicated in the Dar position in FIG.
- the designations can be freely selected, but must be unambiguous along the transmission line 14.
- designations are advantageously used here which originate from the fire alarms 10 themselves and can be read out by the control center 12 for each fire alarm 10.
- Unique designations that come into consideration in this respect are, for example, a bus address of the fire alarm 10, a serial number or the same (see above: "technical identification").
- technical identification The following description is based on the particularly short and In this respect, these designations can be viewed, for example, as (simplified) bus addresses of the individual fire detectors 10. These designations can also be viewed, for example, as symbolic designations and as (simplified) bus addresses of the individual fire detectors 10.
- the fire detector 10 connected to the transmission line 14 and labeled "MA” is the fire detector 10 provided according to the floor plan and symbolically labeled "Ml" there or not.
- the information as to which fire alarm 10 on the transmission line 14 corresponds to a specific fire alarm 10 in the floor plan - that is, the identification of the fire alarm 10 - is the aim of the method proposed here.
- distances By means of measurements that are basically known per se, in particular resistance measurements when the fire alarms 10 are sequentially switched on ("switching on") to the transmission line 14, distances, referred to below as distances, between the devices connected to the transmission line 14 (control center 12 and fire alarm 10) determined.
- the measurement is carried out, for example, as a directional measurement, since measurements are made in a targeted manner along a direction of rotation along the transmission line 14, which is basically freely selectable but is retained in the course of the method.
- the direction of rotation selected in each case is the measuring direction.
- the measurements are carried out starting from the control center 12 and then successively up to each fire alarm 10 reached in the course of the measurements.
- the following distances are determined: The distance between the control center 12 and the first fire alarm 10 along the transmission line 14 - in the situation shown in FIG. , the distance between two (adjacent) fire alarms 10 directly following one another along the transmission line 14 and the distance between the last fire alarm 10 along the transmission line 14 and the control center 12 - in the situation shown in FIG Fire detector 10 and the control center 12.
- the determination of the distances between two adjacent fire alarms 10 along the transmission line 14 includes, in the situation shown in FIG "MC" designate fire detectors 10 etc.
- the distances determined by measurement are regularly larger than the distances according to the floor plan (FIG. 1) and the linear distance there, because the routing of the transmission line 14 usually follows the respective building conditions (walls, ceilings, etc.).
- the determined distances are stored in a computer-readable form in a second database 30. This results in individual data records in the second database 30, which are referred to as distance data records 32 for differentiation.
- a number N of the determined distance data records 32 corresponds to the number of individual sections of the transmission line 14 between two devices (control center 12 or fire alarm 10) of the fire alarm system and the number of devices comprised by the fire alarm system as a whole. The arrival The number of fire alarms 10 included in the fire alarm system is thus Nl.
- the distance data records 32 are numbered in the course of their determination, so that each distance data record 32 includes an index:
- the distances are first measured in a first measuring direction and then again, but in a second measuring direction opposite to the first measuring direction.
- the distance data records 32 are created as described above, including a numbering and a determination of the number N of the devices comprised by the fire alarm system as a whole.
- each fire alarm 10 has a volume resistance that is subject to certain tolerances, the measurement is more accurate the fewer fire alarms 10 are in the measurement path. That is to say, for a particularly precise determination of a certain distance, that measured value is advantageous in which the lower number of fire detectors 10 is on that part of the transmission line 14 that is involved in the measurement.
- the measured values of the distances become less precise with an increasing number of fire detectors 10 along the measuring path.
- the distances ascertained in the second measuring direction are entered backwards, so to speak, into the sequence of distance data sets 32.
- the first distance determined in the second measuring direction is thus entered in the distance data record 32 with the index N as the distance.
- the second distance determined in the second measuring direction is entered in the distance data record 32 with the index Nl as the distance, and so on.
- This is continued at least up to the (N / 2) distance data record 32 in the second measuring direction - of course only the next larger or next smaller integer value resulting after division is used.
- the result is a sequence of distance data records 32 in which the distances for around half of the fire alarms 10 in the first measuring direction and the remaining half of the fire alarms 10 in the second measuring direction were determined. In this way, the increasing inaccuracy of the distance measurement outlined above is avoided as far as possible in the case of a large number of fire detectors 10 in a measurement path.
- fire alarm sequence 34 As part of the measurement of the distances along the transmission line 14 (distance measurement) in exactly one measuring direction, in particular by means of the distance measurement or when the fire alarms 10 are switched on sequentially to the transmission line 14, information on the sequence (sequence) of the fire alarms 10 along the Transmission line 14 determined. This information is referred to below as fire alarm sequence 34.
- the fire alarm sequence 34 is shown as an independent data set comprised by the second database 30. A separate data set is not necessary and therefore only one option.
- the fire alarm sequence 34 is also obtained by considering all the distance data sets 32 in the correct sequence, corresponding to the distance measurement in exactly one measuring direction.
- FIG. 3 shows the first database 20 with the distance data sets 22 included therein and the second database 30 with the distance data sets 32 again included (in each case corresponding to the situation shown by way of example in FIG. 1 and FIG. 2).
- the first column or the second column - in each case without a possible index - of the totality of the distance data sets 32 without the designation of the control center 12 obviously corresponds to the fire alarm sequence 34, so that they can be taken directly from the totality of the distance data sets 32 without any special acquisition can.
- distances refers to data that can be traced back directly or indirectly to the floorplan.
- distance relates to data that are directly or indirectly based on measurements along the transmission line 14.
- Distances result in computer-readable and automatically processable form from the first database 20 and the distance data sets 22.
- Distances result - after previous corresponding measurements - in a form that is likewise computer-readable and automatically processable from the second database 30 and the distance data sets 32.
- the distance information from the first database 20 represents, as it were, “linear distances”.
- the distance information from the second database 30 represents distances along the transmission line 14.
- Each distance data record 32 comprises at least the determined distance.
- each distance data record 32 additionally includes the device from which the distance measurement was made (“initial device”) and / or the device to which the distance was determined (“end device”).
- the above lines can thus be used as examples of distance data sets 32 with the Structure “start device, end device, distance” (or the optional structure “index, start device, end device, distance”) and their contents can be viewed.
- a single distance data record 32 is shown symbolically.
- the content of a distance data record 32 can be written as follows:
- Start device -> end device distance, whereby the specification of the start device and / or end device are basically optional data.
- all distances along the transmission line 14 are first determined and stored in the second database 30 by means of respective distance data sets 32.
- the distances are determined as required, for example only a single distance in each case.
- the second database 30 then comprises only one distance data record 32 for the or each newly determined distance or one distance data record 32 for the or each newly determined distance as well as the distance data records 32 of all previously determined distances.
- the second database 30 is in a form in which it comprises a distance data record 32 for each of the distances measured along the transmission line 14 and that the distance data records 32 in the second database 30 in In the form of a table, a list or the like, so that the individual distance data records 32 can be accessed one after the other and in accordance with the order of the distances measured along the transmission line 14.
- the distance data set 32 with the distance from the control center 12 to the first fire detector 10 is therefore the first distance data set 32
- the dis- Dance data set 32 with the distance from the first fire alarm 10 to the next fire alarm 10 is the second distance data set 32 etc.
- the fire alarm sequence 34 can also result implicitly. It is clear to a person skilled in the art that other forms of storage of the distance data sets 32 are also possible, which also allow access in the order of the distances measured along the transmission line 14, for example access by means of a lookup table, whereby the The lookup table includes the addresses of the distance data records 32 in an ordered form, for example.
- FIG. 4 shows a graph 40.
- a graph 40 is automatically generated according to the approach proposed here for identifying the fire alarm 10 and within the framework of the method proposed here.
- the root of the graph 40 represents the control center 12.
- Nodes in the graph 40 represent the fire alarms 10 connected to the control center 12 by means of the transmission line 14.
- a node representing the center 12 is created in the graph 40.
- This node is given a symbolic designation that can also be used in the context of the method, namely the symbolic designation of the control center 12, that is to say the symbolic designation “Z”.
- This node forms the root of the graph 40.
- the second database 30 is processed with its distance data sets 32 in the order of the determined distances.
- the generation of the graph 40 therefore begins with the first distance data record 32
- Matching distance data sets 22 are those distance data sets 22 which have the designation “Z” as the designation of the starting device and for which the distance given there is less than or equal to “20 m”.
- a distance data record 22 determined during such a search and subsequently processed is then deleted or at least marked in such a way that it is not found again during a later search.
- Those distance data records 22 are determined which, as the name of the starting device, have a name that corresponds to the name of the node just created in the graph 40, and where the distance specified there is less than or equal to the distance specified in the distance data set 32 under consideration.
- this first search (in the illustration in FIG. records) the following data record (distance data record 22) is determined to be suitable:
- Only this distance data record 22 has the designation “Z” as the designation of the starting device and a distance less than or equal to “20 m”.
- a node is created in the graph 40 for the terminal device specified there.
- the or each new node is given the symbolic designation of the terminal of the respective distance data set 22, here "Ml".
- the or each new node is connected to the node representing the control center 12 by means of an edge in the graph 40.
- nodes of the graph 40 with the symbolic designations of the device presented in each case fire alarm 10 or control center 12
- the node representing the fire alarm 10 with the symbolic designation “Ml” is therefore referred to as “node Ml” according to this convention.
- node Ml The same applies to all further nodes and the node representing the control center 12 accordingly.
- distance data records 22 From the distance data records 22 specified above, the following data records (distance data records 22) are determined to be suitable in this second search:
- a node is created in the graph 40 for the terminal device specified there, namely a node with the symbolic designation of the terminal device of the respective distance data record 22, in this case "M2 "and” M3 ". Every new node - here the new nodes M2 and M3
- each newly created node spans a subtree in graph 40.
- the further method is explained in more detail on the basis of the node representing the fire alarm in FIG. 10 with the symbolic designation “M2” (and itself designated with “M2”) and the subtree starting from there.
- Each subtree in graph 40 - including others, as part of the method resulting subtrees - is treated in the same way as this subtree.
- MB -> MC 3 m, the distance specified there ("3 m”; three meters) and continued with the symbolic designation of the node M2 ("M2") just created.
- those distance data sets 22 are determined which, as the name of the starter device, have a name that corresponds to the name of the node M2 that has just been created - that is, "M2" - and for which the distance specified there is less than or equal to that in the considered distance data record 32 specified distance - ie "3 m" - is.
- distance data record 22 From the distance data records 22 specified above, the following data record (distance data record 22) is determined to be suitable in this search:
- Only this distance data record 22 has the designation “M2” as the designation of the starting device and a distance less than or equal to “3 m”.
- a node - node M3 - is created in the graph 40 for the (the or each) terminal device specified there.
- the (the or each) new node M3 is connected by means of an edge in the graph 40 to the node generated in the respective preceding step - here al so the node M2.
- the search now starts with the next (third) distance data record 32
- those distance data records 22 are determined which, as the name of the starter device, have a name that corresponds to the name of the node M3 just created - that is, "M3" - and those there specified distance smaller than or equal to the distance specified in the considered distance data record 32 - i.e. "10 m"
- a node - node M4, node M5 - is created in the graph 40 for each (the or each) terminal device specified there.
- Each (the or each) new node - here the M4, M5 - is connected by means of an edge in the graph 40 to the node generated in the respective preceding step - in this case the node M3.
- MD -> ME 10 m, the distance specified there ("10 m”; ten meters) and continued with the symbolic designation of the node M4 ("M4") just created. From the remaining distance data records 22, those distance data records 22 are determined which, as the name of the starter device, have the name of the node M4 just created - that is, "M4" - and for which the distance given there is less than or equal to that specified in the distance data record 32 under consideration Distance - ie "10 m" - is.
- the only suitable distance data record 22 is the data record (distance data record 22)
- the search is continued until either no more suitable distance data record 22 can be found or the last distance data record 32 has finally been taken into account.
- this is the case with the last distance data set 32 (ME -> Z: 35 m) and the distance data set 22 found for this (M5 -> Z: 30 m) and it
- ph is a node representing the center Z as a leaf of the graph 40.
- All or selected or selectable data of the fire alarm 10 connected to the transmission line 14 can now can be appropriately transferred to the floor plan data, for example a serial number of the fire detector 10, a bus address of the fire detector 10, etc.
- selected or selectable data created, selected or selectable in the floor plan for this fire detector 10 can optionally be connected to the real one connected to the transmission line 14 Fire alarms 10 are transmitted and impressed there in a memory of the fire alarms 10.
- a reduced graph 42 is optionally generated from graph 40.
- the reduced graph 42 is created by removing all subtrees in the original graph 40 that do not start at the center Z and end at the center Z.
- the illustration in FIG. 5 shows the reduced graph 42 resulting in this respect on the basis of the graph 40 in FIG. 4.
- the method can also be continued with the original graph 40, namely with exclusive consideration of the complete paths there (starting at the center Z and ending at the center Z).
- the original graph 40 includes the reduced graph 42.
- the original graph 40 thus also includes all of the data described below with reference to the reduced graph 42. In the interest of better readability, the further description is continued on the basis of the reduced graph 42 - but expressly without renouncing any further general validity.
- the first level of the remaining subtrees below its root Z is then examined in it. It is determined whether at least one node occurs exactly once on this level. If this is not the case - as in the present situation - the next level is selected and also examined, etc., until a level is found on which at least one node occurs exactly once. In the simple example shown, this situation is on the second level of the reduced graph 42. This is where the nodes M2 and M3 are located (already highlighted in the illustration in FIG. 4). Each of these two nodes occurs only once at this level. So the condition formulated above is fulfilled for each of these nodes.
- the correct subtree within the reduced graph 42 (as well as within the underlying graph 40) is determined by manual triggering of exactly one real fire alarm 10, and the ambiguity is thus resolved.
- the triggering of a fire alarm 10 is understood to mean an activation of the fire alarm 10, which causes the fire alarm 10 to report back via the transmission line 14 and to the control center 12.
- the triggering can consist of an operator action taken on the respective fire alarm 10, for example pressing a button on the fire alarm 10 or triggering by means of test gas, by means of a detector tester or the like.
- the triggering is carried out by a user of the method proposed here.
- the fire alarm 10 to be triggered is indicated to the user as part of the method, for example on a display unit of a device with which the method is carried out.
- either the node M2 or the node M3 could correspond to the fire alarm 10 with the designation (or the address) "MB".
- the center 12 receives information about this triggering in a manner known per se. This feedback to the center 12 is the basis for resolving the ambiguity.
- the above-mentioned feedback due to the manual triggering of exactly one fire alarm 10 includes a unique identification of the triggered fire alarm 10, namely, for example, a unique identification within the scope of the protocol for data transmission along the transmission line 14, for example the bus address of the triggered fire alarm 10.
- one of the nodes on the previously determined level of the graph 42 is automatically selected in a first step.
- the selected node is, for example, node M2.
- the control center 14 receives the feedback "MB". This feedback matches the designation "MB" in the second position the fire alarm sequence 34 and an underlying search in the fire alarm sequence 34 that leads to this result is the second step in resolving the ambiguity.
- a suitable route is sought in reduced graph 42 with the triggered fire alarm M2 and the intermediate result "second position of the connection sequence".
- Each route or subtree remaining in the reduced graph 42 represents - less that of the control center Z re presenting node - a potential connection sequence 44, 46.
- the reduced graph 42 thus comprises a set of potential connection orders 44, 46, for the purpose of resolving the ambiguity a precise connection sequence 44, 46 is selected.
- the potential connection sequence 44, 46 and there in each case the position according to the intermediate result are considered. Only in the first potential connection sequence 44 is the node M2 at a position to be considered according to the intermediate result ("second position of the connection sequence").
- the first potential connection sequence 44 thus represents the actual connection sequence and the ambiguity is resolved .
- the control center 14 receives the response "MC".
- This response matches the designation "MC" at the third position of the fire alarm sequence 34.
- the intermediate result after the first step is here: "third position of the connection sequence
- the potential connection sequences 44, 46 and there the position in each case according to the intermediate result are considered. Only in the first potential connection sequence 44 is the node M3 located at one according to the intermediate result ("third position of the connection sequence") viewing position.
- the first potential connection sequence 44 has again been identified as the actual connection sequence and the ambiguity is likewise resolved.
- the resolution of a possible ambiguity comprises the following steps: After an automatic identification of a node occurring exactly once on a level of the reduced graph 42 and an equally automatic selection of this node, the fire alarm 10 associated with the floor plan is triggered manually (first Step). The triggered fire alarm 10 sends a response. This is searched for in the fire alarm sequence 34 (second step). The position of one of the feedback corresponds to the designation in the fire alarm sequence 34 is an intermediate result. The potential connection sequence 44, 46 are now examined at the position according to the intermediate result in relation to the selected node (third step). That potential connection sequence 44, 46 which has the node selected in the first step at the position according to the intermediate result represents the actual connection sequence.
- FIG. 6 finally shows, in a very simplified schematic form, a computer program 50.
- the computer program instructions included in the computer program 50 when executed by a computer, cause the method proposed here to be executed, possibly with individual or several advantageous embodiments.
- the central unit 12 of the fire alarm system or a central unit from a group of several central units can be used as the executing computer.
- the central office has or receives direct or indirect access to the floorplan data.
- a computer or the like connected to the fire alarm system - as mentioned at the beginning - can also be considered as a computer.
- Such a device - not shown - is connected, for example, directly to the control center 12 or indirectly to the control center 12 by being connected to the transmission line 14.
- the computer program 50 comprises individual steps, each of which comprises at least one computer program instruction - not shown - and, within the scope of the method, form a functional unit or are at least functionally related.
- a first step 52 of the computer program 50 is intended to determine the distance data sets 22.
- a second step 54 of the computer program 50 is intended to determine the distance data records 32 and the fire alarm sequence 34.
- a third step 56 of the computer program 50 is intended to generate a graph 40, 42 on the basis of the distance data records 22 and the distance data records 32 and to determine a set of potential connection sequences 44, 46.
- the order of the first two steps 52, 54 can also vary be exchanged.
- the first two steps 52, 54 can also - on different devices - be carried out simultaneously or quasi-simultaneously.
- the first two steps 52, 54 can be integrated into the third step 56.
- a fourth step 58 of the computer program 50 is intended to determine a potential connection sequence 44, 46 that matches the fire alarm sequence 34.
- a fifth step 60 of the computer program 50 is ultimately intended to output, forward or generally make available a correspondence resulting from the potential connection sequence 44, 46 determined to be suitable.
- the correspondence consists of a correspondence between the fire alarm sequence 34 on the one hand and the connection sequence 44, 46 ascertained on the other hand, including designations in their order within the fire alarm sequence 34 or the connection sequence 44, 46 determined the terms included therein, on the one hand, as well as the potential connection sequence 44, 46 determined to be suitable, and the terms included in turn, output, forwarded, made available or the like in the respective order.
- a manual activation of a fire alarm 10 takes place, if necessary. Except for this manual activation of a fire alarm 10, all steps of the method and so that all steps 52-60 of the computer program 50 are carried out automatically.
- the fire alarm 10 to be activated manually is shown to a user of the method.
- the fire alarm 10 to be activated manually is also determined automatically (as part of the fourth step 58 of the computer program 50) and the fire alarm 10 to be activated manually is also displayed automatically. automatically (also as part of this fourth step 58 of the computer program 50).
- the fire alarm system comprises a control center 12 as devices and the fire alarms 10 and the transmission line 14 connected to the control center 12 via a transmission line 14.
- the automatic identification of the fire alarms 10 is based on the distances between the devices 10, 12 on the one hand and distances between the devices 10, 12 on the other hand. The distances are available in the form of floor plan data or are determined on the basis of floor plan data as part of the procedure.
- the distances are determined by measuring along the transmission line 14 and a fire alarm sequence 34 is determined as part of this measurement.
- a graph 40, 42 with a set of potential connection sequences 44, 46 is generated by means of the distances and the distances.
- the fire alarm sequence 34 and the or each potential connection sequence 44, 46 include designations which each reference a fire alarm 10 connected to the transmission line 14 or a fire alarm 10 provided according to the floor plan data.
- a potential connection sequence 44, 46 that matches the fire alarm sequence 34 is determined from the set of potential connection sequences 44, 46. Due to the potential connection sequence 44, 46 determined to be suitable, a correspondence results from the fire alarm sequence 34 On the one hand, and the ascertained connection sequence 44, 46 on the other hand, terms included in their order within the fire alarm sequence 34 or the ascertained connection sequence 44, 46. This ascertained correspondence represents the identification of the fire alarms 10.
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire Alarms (AREA)
- Alarm Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20183864 | 2020-07-03 | ||
| PCT/EP2021/062717 WO2022002471A1 (de) | 2020-07-03 | 2021-05-12 | Verfahren zum automatischen identifizieren von brandmeldern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4176421A1 true EP4176421A1 (de) | 2023-05-10 |
| EP4176421B1 EP4176421B1 (de) | 2026-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21728458.7A Active EP4176421B1 (de) | 2020-07-03 | 2021-05-12 | Verfahren zum automatischen identifizieren von brandmeldern |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12131621B2 (de) |
| EP (1) | EP4176421B1 (de) |
| CN (1) | CN116075873B (de) |
| WO (1) | WO2022002471A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4571697A3 (de) * | 2023-10-27 | 2025-09-03 | Carrier Corporation | Tragbare brandmeldevorrichtung und verfahren zum betrieb davon |
| CN118629182A (zh) * | 2024-06-11 | 2024-09-10 | 中船九江海洋装备(集团)有限公司 | 具有自动编址和成图的智能消防火警控制系统及控制方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4036639A1 (de) * | 1990-11-16 | 1992-05-21 | Esser Sicherheitstechnik | Verfahren zur ermittlung der konfiguration der melder einer gefahrenmeldeanlage und fuer die anlagenkonfigurationsbestimmung geeigneter melder |
| DE4038992C1 (de) | 1990-12-06 | 1992-02-06 | Siemens Ag, 8000 Muenchen, De | |
| DE19940700C2 (de) * | 1999-08-27 | 2003-05-08 | Job Lizenz Gmbh & Co Kg | Verfahren und Vorrichtung zur automatischen Zuweisung von Melderadressen bei einer Gefahrenmeldeanlage |
| ATE255260T1 (de) | 2000-07-21 | 2003-12-15 | Siemens Building Tech Ag | Verfahren und einrichtung zur installation von peripheren geräten |
| US7286050B2 (en) * | 2003-12-05 | 2007-10-23 | Honeywell International, Inc. | Fire location detection and estimation of fire spread through image processing based analysis of detector activation |
| DE502005000823D1 (de) * | 2005-02-07 | 2007-07-19 | Siemens Schweiz Ag | Verfahren zur Bestimmung der Position von Geräten einer Gefahrenmeldeanlage |
| ES2297551T3 (es) | 2005-03-15 | 2008-05-01 | Siemens Schweiz Ag | Procedimiento para la determinacion de la configuracion de una instalacion de alarma e instalacion de alarma. |
| US8443110B2 (en) * | 2011-02-28 | 2013-05-14 | Honeywell International Inc. | Approach for discovering devices on a common bus without direct communication |
| US9189938B2 (en) * | 2011-03-25 | 2015-11-17 | Siemens Schweiz Ag | Automatically locating fire alarms |
| US9245427B2 (en) * | 2011-10-12 | 2016-01-26 | Tyco Fire & Security Gmbh | System and method for synchronization of networked fire alarm panels |
| EP2983145A1 (de) * | 2014-08-05 | 2016-02-10 | Siemens Schweiz AG | Meldersockel und Anschlussbasis zur lösbaren Anbringung eines Gefahrenmelders mit jeweils einer Funkeinrichtung zum Aussenden von Positionsdaten des Montageorts des Meldersockels bzw. der Anschlussbasis und/oder eines Verweises auf diese Positionsdaten |
| CN106205013B (zh) * | 2016-07-14 | 2018-10-26 | 中车青岛四方车辆研究所有限公司 | 基于自动寻址方式的烟火探测器及通讯方法 |
| US10496953B1 (en) * | 2016-09-20 | 2019-12-03 | Amazon Technologies, Inc. | System to determine user groupings in a facility |
| EP3736787B1 (de) * | 2018-07-11 | 2023-04-12 | Honeywell International Inc. | System und verfahren zur vorrichtungsadressenzuweisung in einem alarmsystem mit interaktiver adressenzuweisung zur schnelleren inbetriebnahme |
-
2021
- 2021-05-12 WO PCT/EP2021/062717 patent/WO2022002471A1/de not_active Ceased
- 2021-05-12 CN CN202180054301.0A patent/CN116075873B/zh active Active
- 2021-05-12 EP EP21728458.7A patent/EP4176421B1/de active Active
- 2021-05-12 US US18/003,977 patent/US12131621B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022002471A1 (de) | 2022-01-06 |
| US12131621B2 (en) | 2024-10-29 |
| EP4176421B1 (de) | 2026-01-28 |
| US20230326327A1 (en) | 2023-10-12 |
| CN116075873A (zh) | 2023-05-05 |
| CN116075873B (zh) | 2025-10-03 |
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