RU2256232C2 - Fire alarm system - Google Patents

Abstract

FIELD: signaling or calling systems, particularly alarm systems.

SUBSTANCE: fire alarm system comprises a group of centralized monitoring stations, the first subscriber group, local communication network, the first concentrator group, multiplexer group, centralized monitoring stations, the second subscriber group, server unit and the second concentrator group. The second concentrator group may meet the GSM standard or may use wire-lines. System uses the second, standby, short message channel brought into use when communication is broken-down in the main channel and the third communication wire-line channel to improve communication with objects of high categoricity.

EFFECT: increased area to be protected and monitored, increased reliability.

3 cl, 3 dwg

Description

The invention relates to systems of fire alarm and object monitoring and can be used to transmit information from subscriber kits to central monitoring stations through busy telephone or radio wave communication channels.

The known alarm system "Cyclone" (TU 25-08.430-80, TU 25-08.431-80, TU25-08.432-80 Security Technique No. 1/94), containing groups of subscriber sets connected respectively to a group of hubs that are connected in parallel to the selected a line of communication with the central monitoring station (CMS), and all the concentrators in the group are additionally connected to each other in parallel with the control bus.

The disadvantage is the low reliability of this burglar alarm system, which is associated with a large number of false alarms due to a decrease in the level of the continuous frequency signal transmitted from the guarded object when the parameters of the telephone communication line deteriorate, and the inability to protect objects with which there are no telephone communication lines.

A known set of PBX equipment for a security and fire alarm system (RF Patent No. 2207631), containing a group of repeaters and a group of access devices, a local communication network, a group of concentrators, the first group of inputs / outputs of each concentrator is connected via communication lines to groups of subscriber sets, the second group of inputs / outputs connected to the corresponding telephone exchanges of the PBX, the inputs / outputs of each hub are connected to the corresponding inputs / outputs of the local communication network, and a group of multiplexers, inputs / you The odes of each of which are connected to the corresponding inputs / outputs of the local communication network, and the groups of inputs / outputs through the communication lines are connected to central monitoring stations, a group of access devices, each of which consists of a local network controller, a microprocessor-based interface conversion unit, and a linear interface unit, moreover, in each access device the inputs / outputs of the LAN controller are connected to the corresponding inputs / outputs of the local communication network, and the group of inputs / outputs of the controller is locally The first network is connected to the first group of inputs / outputs of the microprocessor-based interface conversion module, the second group of inputs / outputs of which is connected to the first group of inputs / outputs of the linear interface unit, and the second group of inputs / outputs of which is connected to the corresponding inputs / outputs of the channel-forming equipment of the electronic telephone exchange, corresponding to the inputs / outputs of which through communication channels are connected to the inputs / outputs of the channel-forming equipment of other electronic exchanges, the inputs / outputs of the channel-forming equipment of each of ryh are connected to the inputs / outputs of the respective relays, and each repeater contains a group of access devices, a local communication network and a group of hubs, the first group of inputs / outputs of each hub is connected to subscriber sets through the corresponding communication lines, the second group of inputs / outputs of each hub is connected to the corresponding PBX telephone lines, and the inputs / outputs of each hub are connected to the corresponding inputs / outputs of the local communication network, the inputs / outputs of which are connected respectively with the inputs / outputs of each controller of the local area network of the repeater access device, the first group of inputs / outputs of each access device is connected to the first group of inputs / outputs of the microprocessor-based interface conversion unit, the second group of inputs / outputs of which are connected to the first group of inputs / outputs of the linear interface unit , the second group of inputs / outputs of which is connected to the corresponding group of inputs / outputs of channel-forming equipment of electronic telephone exchanges.

The disadvantage of this system is the lack of a backup communication channel with a subscriber set and the inability to protect objects that are not connected to the system by wired communication lines.

The closest in technical essence to the proposed solution is a fire alarm system (RF Patent No. 2110094), containing a group of central monitoring stations, a group of subscriber kits, a local communication network, a group of concentrators, the first group of inputs / outputs of each concentrator connected via communication lines with groups of subscriber sets, and the second group of inputs / outputs is connected to the corresponding telephone lines of the PBX, the inputs / outputs of each hub are connected to the corresponding odes / outputs LAN communication, and a group of multiplexers the inputs / outputs of each of which are connected to respective inputs / outputs of the local communication network, and the group input / output through the communication line connected to corresponding monitoring station.

A known set of alarm systems works as follows.

In the initial state, after turning on the power of any of the central monitoring stations (CMS), the initial menu for operation is displayed on its display, and the CMS enters the mode of cyclic polling of multiplexers of corresponding sets of ATS equipment via communication lines connecting the monitoring station with multiplexers.

After the power is turned on sequentially on both multiplexers of the set of equipment of the automatic telephone exchange of the security and fire alarm system and successfully carried out internal diagnostics, the multiplexers begin to respond to requests from each monitoring station. The first included multiplexer defines itself as the master and receives unique network addresses from the monitoring station - its own and that of the concentrators and through the local communication network transmits a full copy of the information to the second multiplexer, which defines itself as a slave and switches to listening mode on the local network. From this moment, all changes in the information data made by the master multiplexer are automatically made through the local network in the slave multiplexer, and their difference is that the master multiplexer polls the concentrators in the network and receives information messages from them through the local network. If the master multiplexer stops interrogating subscribers for a time controlled by the slave multiplexer, then the slave multiplexer switches to master mode with the corresponding functions of the master. Each monitoring station cyclically polls the status of the multiplexers connected to them, exchanges information with them and displays, if necessary, the corresponding information on the screens of its monitors. After turning on the hubs, they perform internal diagnostics and begin to respond to the requests of the leading multiplexer, as well as exchange information with it and execute the commands received from it. Moreover, each hub, in turn, through the busy telephone lines of communication connecting it to the subscriber sets, performs a cyclic survey of the status of all subscriber sets that are registered with it. The survey of subscriber sets is performed sequentially, according to the telephone line number and the object block number of the subscriber set (OB) on the telephone line. All information about the change in the OB parameters is transmitted by the concentrator through the local communication network to the leading multiplexer, which after preliminary processing duplicates it to the slave multiplexer and sends it to the corresponding monitoring station as intended for raising an alarm or making an appropriate decision.

The disadvantage of this system is the restricted area for monitoring and monitoring objects and the lack of reliable communication with the subscriber set due to the lack of a backup communication channel.

The aim of the invention is to increase the area of protection and monitoring of objects by a fire alarm system and to increase the reliability of the system.

This goal is achieved by the fact that in a fire alarm system containing a group of central monitoring stations, a first group of subscriber sets, a local communication network, a first group of hubs, a first group of inputs / outputs of each concentrator through communication lines is connected respectively to groups of subscriber sets, the second the group of inputs / outputs is connected to the communication lines, the inputs / outputs of each hub are connected to the corresponding inputs / outputs of the local communication network, and the group of multiplexers, the inputs / outputs of each of which are connected to the corresponding inputs / outputs of the local communication network, and the input / output groups through the communication lines are connected respectively to the central monitoring panels, a second group of subscriber sets, a server unit and a second group of hubs are introduced, each hub being made as communication unit, transceiver unit and microcomputer, the first group of inputs / outputs of which are connected to the first group of inputs / outputs of the communication unit, the second group of inputs / outputs of which is connected to the corresponding the corresponding group of inputs / outputs of the local communication network, the second group of inputs / outputs of the microcomputer is connected to the group of inputs / outputs of the transceiver unit, the radio wave input / output of which is connected via the radio channel to the radio wave input / output of the GSM channel-forming equipment, the group of inputs / outputs of which are connected to the group I / O server block.

In addition, each subscriber set of the second group of subscriber sets contains an interface unit, a transceiver unit and an object unit, the inputs / outputs of which are connected to the inputs / outputs of the interface unit, the inputs / outputs of which are connected to the inputs / outputs of the transceiver unit, whose radio wave input / output is through the radio channel is connected to the radio wave input / output of the GSM channel-forming equipment.

In addition, a subscriber filter and a communication unit are introduced into each subscriber set of the second group of subscriber sets, the first inputs / outputs of which are connected to the second inputs / outputs of the object block, and the second inputs / outputs are connected through the subscriber filter through the subscriber filter to the first group of inputs / outputs of the corresponding hub.

Figure 1 presents a block diagram of an alarm system.

The alarm system contains the first group of subscriber sets 1, the first group of hubs 2, the second group of hubs 3, the transceiver unit 4, microcomputer 5, the communication unit 6, the local communication network 7, the group of multiplexers 8, the server unit 9, the channel-forming equipment GSM 10, the group of consoles centralized monitoring 11, the second group of subscriber sets 12.

Figure 2 presents a block diagram of a subscriber set of the second group of subscriber sets 12, which contains a transceiver unit 4, a pairing unit 13, an object unit 14.

Figure 3 presents the second block diagram of the subscriber set of the second group of subscriber sets, which contains the transceiver unit 4, the interface unit 13, the object unit 14, the communication unit 15, the subscriber filter 16.

The device operates as follows.

In the initial state, after turning on the power of any monitoring station 11, the initial menu for the standby mode is displayed on its displays, and the monitoring station 11 switches to the mode of cyclic polling of the current state of the multiplexers 8 on the corresponding communication lines. All necessary for functioning are entered into the monitoring station 11 through the corresponding keyboard input device system information about the objects on which the subscriber set groups 1 and 12 are installed. The monitoring station 11 writes all this information to the memory unit and prepares the necessary information messages for each hub 2 and 3.

After turning on the power on the group of multiplexers 8, each multiplexer switches to a survey of the presence of a leading characteristic in its internal circuits. That multiplexer 8, which found this feature in its circuits, considers itself to be leading. After that, he communicates with the monitoring stations 11 interrogating him through the appropriate communication lines, receives from them unique addresses for all concentrators 2 and 3. At the same time as the addresses, the leading multiplexer 8 receives operational information from the monitoring station 11 that is to be downloaded to each concentrator 2 and 3 , and starts a cyclic interrogation through the local communication network of 7 states of all multiplexers 8 and hubs 2 and 3 connected to it, receiving information messages from them and sending data and commands back. The information received by the master multiplexer 8 from the hubs 2 and 3 through the input / output group and the communication line is sent as intended to the corresponding monitoring station 11. The hubs 2 and 3 are polled at unique addresses in the local network 7, which are received by the slave multiplexer 8 from the monitoring station 11. Slave multiplexer 8 only listens for the work of the master in the local communication network 7. On the local communication network 7, the master multiplexer 8 transfers all the changes in its data to the slave multiplexers 8 and controls the identity of them and their data. If the master multiplexer 8 stops polling in the local communication network 7 for a certain period of time, then the slave multiplexer 8 switches to the master mode with the performance of its functions.

As the hubs 2 power up, they begin to respond to polls of the leading multiplexer 8 through the local communication network 7, recognizing in the survey their unique address in the local communication network 7. Hubs 2 are constantly polled through their input / output groups and corresponding communication lines with subscriber sets 1 their condition and accumulate the information received in their memory. After the master multiplexer 8 addresses the concentrator 2, the latter receives the information intended for it from the master multiplexer and transmits information through the local communication network 7 to the master multiplexer 8 about itself and the status of the subscriber sets 1 controlled by it.

After turning on the power, the KC 3 concentrator performs the necessary programming and diagnostics of its internal nodes.

After the microcomputer 5 has successfully completed internal diagnostics of the KC 3 nodes, the microcomputer 5 transmits these states through the communication unit 6, through the local communication network 7, the active multiplexer 8 to the corresponding monitoring station 11, similarly to the concentrator 2. Information is exchanged between the monitoring station 11 and the central control center 3 via the communication lines connecting them to the microcomputer 5 through the communication unit KTs 3. If the diagnostic results made by the microcomputer 5 are successful, then the active multiplexer 8 loads this KTs 3 with the information necessary for operational work. After successfully receiving the information of KC 3, its microcomputer 5 interrogates and monitors the operation of the corresponding subscriber sets 12 by requesting information about their status from the server unit 9 (for example, operating in the USSD channel of GSM 900/1800 standard) through the transceiver unit 4, GSM radio channel, channel forming equipment GSM 10 and the group of inputs / outputs of the server block 9. The server block 9 after turning on the power and receiving a poll from the corresponding KC 3 through its group of inputs / outputs, through the channel-forming equipment GSM 10, through the GSM radio channel, h the transceiver unit block 4, KC 3, requests the necessary information (addresses, data encoding methods, frequency of access to server 9 and other information necessary for operation) about subscriber sets 12 serviced by this KC 3. KC 3, having received a request for loading from the server unit 9, in the next communication session via the above-described communication channel transmits the required information to the server unit 9. After receiving information from the corresponding CC 3 about subscriber sets 12, the server 9 is turned on in standby mode for calls from these subscriber sets 12. The object unit 14 of each subscriber set from the group of subscriber sets 12 after connecting power to it through the interface unit 13 (pairing the interfaces of the object unit 14 with the transceiver unit 4), through the transceiver unit 4, through the GSM radio channel through the channel-forming equipment channel GSM 10 and the group of inputs / outputs of the server 9 transfers to the server block 9 ra its state and receives from it through a group of input / output server 9 through the GSM channelization apparatus 10 through GSM radio channel through the transceiver unit 4, a control command to implement the protection and monitoring of objects. The commands necessary for the protection of objects are also transmitted from the monitoring station 11 to the corresponding control centers 3, and from them to the server 9 and the corresponding subscriber set 12 via the communication channels described earlier.

GSM 10 channel-forming equipment distinguishes its subscriber sets (server 9 subscribers) from calls of other subscribers (in the stream of calls to it according to a group of codes for access previously stored in the memory of GSM channel-forming equipment) and branches the stream of calls with these codes to the first group of inputs / outputs server 9. Server 9, unpacking the call flow by special codes, recognizes the calls from its subscriber sets 12 and other subscribers in the call flow, and if the subscriber is a stranger, he will instantly receive a denial of service. If the subscriber is recognized as his, then server 9 analyzes and writes the message sent from him to his memory for further transmission of part of it to the corresponding CC 3 when they access server 9. In addition, during a communication session with subscriber set 12, server 9 transmits its corresponding control information to the subscriber set 12, as well as information for the subscriber set 12 from the corresponding CC 3 received during the communication session of this CC 3 with server 9, which server 9 also stores in its memory.

If the server 9 has registered deviations in the time of the call of the corresponding subscriber set 11 to the server 9 or the termination of the call for a specified time, then the server 9 will generate a corresponding message for the corresponding CC 3, which will transmit the CC 3 to the next communication session.

If the subscriber set 12 registered a failure or silence of the server 9 when making a request to it a specified number of times, then the subscriber set 12 through its transceiver unit 4, the GSM radio channel, the GSM channeling equipment 10, the transceiver unit 4 of the corresponding KC 3 transmits to it at predetermined time periods short messages (for example, SMS in the GSM 900/1800 standard) about their status and receives from this KC 3 reverse short messages via the same communication channel. As soon as the main communication channel of the subscriber set 12 with the CC 3 through the server 9 is restored, the work continues as described above through the main communication channel.

KC 3, having received messages from its subscriber sets during the next communication session with server 9, analyzes them and writes them to its memory in a certain order (alarm and alarm messages are the first, then messages about the state of other information).

At the next call of the monitoring station 11 to the corresponding control center 3, control center 3 through the local communication network 7, through the active multiplexer 8, transfers ordered information to the monitoring station 11 through the communication lines, and the monitoring station 11 analyzes and processes it in accordance with the algorithm laid down in the monitoring station 1 program, and also transmits back to CC 3 via the above-described communication channel the corresponding control and other information necessary for the operation of the server unit 9 and the corresponding subscriber sets 12.

In addition, in the performance of the subscriber set 1 (Fig. 3), the object unit 14 through the communication unit 15, through the subscriber filter 16, through the communication line, through the first group of inputs / outputs of the corresponding CC 2 and the local network 7 can lead in parallel or in priority mode exchange of information with the leading multiplexer 8 of the fire alarm system is similar to the subscriber set 1. The introduction of a third communication channel with the subscriber set 12 via wired communication lines increases the reliability of communication in the security and fire alarm system and can used on objects of high importance category.

Proposed burglar alarm system:

- expands the protection and monitoring zone of objects with which there are no wired communication lines, by using GSM radio channels as a communication channel;

- uses a server that conducts a dialogue with subscriber sets in real time, which eliminates delays in transmitting messages to the monitoring station and vice versa, and increases the speed of the alarm system working on GSM radio channels in general, and also significantly increases the number of serviced subscriber units;

- uses a second, backup channel of short messages, which is included in the work in case of communication failure in the main channel, which increases the reliability of communication in the system;

- uses a third communication channel over a wired communication line to increase communication with highly categorized objects.

Claims (3)

1. A fire alarm system containing a group of central monitoring stations, a first group of subscriber sets, a local communication network, a first group of hubs, a first group of inputs / outputs of each concentrator through communication lines is connected respectively to groups of subscriber sets, a second group of inputs / outputs is connected with communication lines, the inputs / outputs of each hub are connected to the corresponding inputs / outputs of the local communication network, and a group of multiplexers, the inputs / outputs of each of which is connected inens with the corresponding inputs / outputs of the local communication network, and the groups of inputs / outputs via communication lines are connected respectively to central monitoring consoles, characterized in that a second group of subscriber sets, a server block and a second group of hubs are additionally introduced, each hub being made in the form of a block communication, transceiver unit and microcomputer, the first group of inputs / outputs of which is connected to the first group of inputs / outputs of the communication unit, the second group of inputs / outputs of which is connected with the corresponding the existing group of inputs / outputs of the local communication network, the second group of inputs / outputs of the microcomputer is connected to the group of inputs / outputs of the transceiver unit, the radio wave input / output of which is connected via the radio channel to the radio wave input / output of GSM channel-forming equipment, the group of inputs / outputs of which are connected to the group of inputs / server block outputs. 2. The system according to claim 1, characterized in that each subscriber set of the second group of subscriber sets contains an interface unit, a transceiver unit and an object unit, the inputs / outputs of which are connected to the inputs / outputs of the interface unit, the inputs / outputs of which are connected to the inputs / outputs transceiver unit, the radio wave input / output of which is connected via a radio channel to the radio wave input / output of GSM channel-forming equipment. 3. The system according to claim 2, characterized in that a subscriber filter and a communication unit are introduced into each subscriber set of the second group of subscriber sets, the first inputs / outputs of which are connected to the second inputs / outputs of the object unit, and the second inputs / outputs through the subscriber filter, through a communication line connected to the first group of inputs / outputs of the corresponding hub.

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