RU95882U1 - ALARM SYSTEM FOR MAINTENANCE OF THE COMPACT REAL ESTATE GROUP - Google Patents

Abstract

 1. An alarm system for servicing a compact group of real estate objects, comprising a subscriber terminal of a standard communication network configured to exchange data via a standard communication network with a central monitoring console, as well as a series of alarm systems and a terminal connected to each of the N serviced real estate objects a device containing a microprocessor, to the control input of which a control module is connected, and the information input is an input m of this terminal device, while each of the alarm complexes includes K detectors, the outputs of which are connected to the corresponding inputs of the control panel, L sirens, the inputs of which are connected to the corresponding information outputs of the control panel, and a notification transmission module, input which is connected to the communication output of the control panel, and the output is the output of this alarm system, characterized in that it is automatically This workplace of the concierge and the internal radio transmission network of information through which the radio outputs of each of the terminal devices are connected to the radio input of the workstation of the concierge, and a transmitter module is inserted into each terminal device, the information and control inputs of which are connected to the outputs of the microprocessor of the same name, and the output is the radio output of this terminal device, while the concierge workstation is made in the form of a series-connected receiving module, input

Description

This utility model relates to alarm (security) alarm systems, and in particular to systems that provide, with the help of technical means, the receipt, processing, transmission and presentation to consumers of information on penetration or physical impact on protected real estate objects.

As consumers of information of such systems, as a rule, are specialized security structures: units of private security, police, public security and private security companies. The consumer of information of alarm systems can also be a direct user of the guarded object (for example, the owner of the real estate object, members of his family and maintenance staff). However, in the final analysis, law enforcement agencies using a certain set of technical means are responsible for the safety of citizens' personal and property.

In accordance with the terms and definitions adopted by private security (for example, "Directory of engineering and technical workers and electricians of technical means of fire and security alarm systems", MVD GUVO, Moscow, 1997), technical means of security alarms are divided into:

- security detectors - technical means for detecting penetration, attempted penetration or physical impact exceeding the normalized level (hereinafter, for brevity - an alarm event), and generating an appropriate alarm notification, that is, a message containing information about controlled changes in the state of the protected object or technical means burglar alarm transmitted via a communication line using electromagnetic, electrical, light and / or sound signals. In addition to generating alarm notifications, security detectors are also designed to generate service notifications (for example, on the permissible effects of operators) and control and diagnostic notifications (intended to monitor the operation of the security detector) and transmit them over the communication line;

- reception and control devices - technical means for receiving notifications from security detectors or from other reception and control devices, converting notifications for direct human perception, further transmitting notifications and issuing commands to activate sirens;

- sirens - technical equipment designed to alert people about an alarm event;

- notification transmission systems (SPI) - a set of jointly operating technical means for transmitting notifications (alarming, service and control-diagnostic) through the communication channels and receiving at the central security center (PCO), as well as for transmitting and receiving telecontrol commands (if there is a channel feedback). In the general case, SPI contains terminal devices installed on guarded objects, as well as a communication and data transmission network and centralized monitoring panels (CMS) located in the central monitoring station. For the transmission of information, SPI uses wired communication channels, for example, a public telephone network and / or radio communication systems, for example, cellular mobile networks.

The set of jointly operating technical means of burglar alarms installed at the guarded facility and united by a system of engineering networks and communications is a complex of alarm (burglar) alarms.

If the protected objects are not telephoned, then the only way to create an alarm system for their protection is to deploy a geographically distributed radio channel SPI.

So, there is a known method of protecting objects according to the patent RU No. 2159190, B60R 25/00, according to which, using stationary signaling devices installed on urban infrastructure facilities with known geographical coordinates, code parcels are transmitted that carry information about the category of the parcel, expressed in text, information message or an alarm signal, and information about the location of these structures, and with the help of subscriber terminal devices installed at the protected objects, code messages carrying information about message digits, codes of identification signs of the protected object and codes of its belonging to the respective owner, receive these code parcels at geographically spaced base stations of specialized SPI, carry out their preliminary processing and transmit digitally to the central station, where the category of the received message is determined using primary digital processing , identification features of the object and geographical coordinates of the signaling device that emitted the given code message, as well as Then, from the subscriber terminal device to the base stations nearest to it, they then form and transmit to the base stations, stationary signaling devices and subscriber terminal devices installed at the protected objects, response text messages confirming the fact that the given object was under protection, and in case of unauthorized exposure on any of the protected objects equipped with subscriber terminal devices and detections in its alarm code transmission send an alarm notification to and an individual owner’s receiver, while some of the stationary signaling devices are used as base stations, the PCOs digitally process the initially processed code parcels using conditionally constant information about the location and the location of various city structures on it, received from external information sources, and during the response on the fact of unauthorized exposure, the data on the location of the protected object transferred earlier from the central monitoring station are specified.

However, the deployment of specialized communication and data networks in the territories of large regions with the centralized control of geographically distributed protected objects requires serious capital expenditures and coordination with the authorities and radio-frequency control of this region.

Therefore, in recent years, alarm systems have been widely used, which use already deployed and functioning commercial mobile cellular networks for communication and data transfer.

This class of technical solutions includes, for example, well-known radio-channel alarm systems:

- Andromeda (www.cnord.ru):

- "Smart-Guard" with a packet data transmission system GPRS (www.gsmguard.ru):

- ARKAN (www.spb.arkan.ru) and a number of others.

Some technical solutions implemented in systems of this class are reflected, for example, in patents RU No. 2202484, В60R 25/00, G08В 25/08, RU No. 2216463, В60R 25/00, G08В 13/08, RU, previously obtained by the applicant company No. 2222089, B60R 25/00, G08B 25/00.

On the one hand, the use of commercial mobile mobile networks in these systems is their advantage over systems requiring the deployment of specialized SPIs, but, on the other hand, it is a disadvantage because it requires regular payment for the services of mobile operators.

The central protection procedure itself is not free from shortcomings. These disadvantages include:

- limited user influence on the decision-making process;

- certain organizational problems (the need to transfer the keys to the guarded object to the guard, the daily procedures for disarming and arming);

- restrictions on the choice of technical means of protection - only from the "List of technical means authorized for use in private security" (for example, from List P78.36.001-2004, Moscow, 2004);

- the need for monthly payment of services;

- heavy fines in cases of false calls that occurred due to the user's fault, for example, in the case of “errors when disarming”.

These shortcomings are partially eliminated in the security alarm system according to GB Patent No. 2385746, Н04М 11/04, G08В 25/10, which contains a transmitting module installed on the guarded object for transmitting alarms via a communication line to a remote subscriber terminal, for example, to a neighbor’s telephone secure apartment (cottage, garage), a processor designed to control operations performed by the specified system, a unit for recording and storing information about the remote subscriber terminal, including his phone number, as well as security nye detectors installed on the protected object and for detecting alarms. A feature of this system is the presence in it of a receiving module designed to receive a signal from a remote subscriber terminal containing the identification signs of a remote subscriber terminal and fix them using a processor in a recording and storage unit for information about a remote subscriber terminal. In the event of an alarm event, an alarm message is sent to the above-mentioned remote subscriber terminal. Moreover, for the reception and transmission of information can be used as one common communication channel, and various communication lines. These can be cellular or wired channels. The operation procedure of the specified alarm system includes:

- receiving from a remote subscriber terminal a message containing identification features of this remote subscriber terminal, for example, the number of the installed telephone;

- allocation of the received message identification signs and recording them in the storage unit information about the remote subscriber terminal;

- detection of an alarm event using a set of security detectors and transmission of corresponding notifications to the processor;

- contact, in the event of an alarm event, to identification signs stored in the information block of the remote subscriber terminal, for example, to the phone number installed in the apartment adjacent to the guarded one;

- address sending via the communication line to the remote subscriber terminal of the alarm message, in accordance with the above identification signs, for example, transmitting a voice alarm message on the telephone number recorded in the memory unit.

It is understood that the subscriber himself, regardless of security, can take the necessary security measures, for example, call and call from the nearest duty station a patrol outfit to the apartment from which an alarm message arrived.

The advantages of this type of protection (hereinafter referred to as non-centralized or unprofessional) compared with the above centralized security systems are due to the fact that in a non-centralized system the user of the protected object (or his authorized person) is the primary recipient of information about the alarm event at the protected object and an expert confirming its reliability. At the same time, the user of the protected object (or a person authorized by him) gets the opportunity to directly participate in the suppression of unauthorized exposure to the protected object, since any appeal made either by direct appearance at the police station or by calling by phone is an official statement.

However, this technical solution is not free from disadvantages. They are due to the following:

- Between the moment of receiving from the remote subscriber terminal a message containing the identification signs of this terminal, for example, a fixed-line telephone number, and the moment of sending an alarm message to it, a significant amount of time may pass, during which the remote subscriber is likely to change his location. In this case, the alarm message sent from the protected object will not find its addressee and timely response to the alarm event will become impossible;

- an alarm message can be sent in the case when the user, entering the guarded premises, has forgotten to disconnect the alarm system in a timely manner. This is the so-called “disarming error”, which may be followed by a fake call.

To a large extent, these disadvantages are eliminated by using the technical solution according to patent RU No. 2242383, B60R 25/00, G08B 25/10, which is the closest analogue of this utility model.

The radio-channel alarm system considered in it contains a security alarm system installed on the guarded object, containing N security detectors, the outputs of which are connected directly or via security alarm cables to the inputs of the control and reception device, which contains a memory unit and a processor, the output of which connected to the input of the alarm system, and the inputs are the inputs of the control panel, as well as SPI, containing a series of connected the terminal device, the cellular communication network and the user subscriber terminal, with the terminal device comprising a transmitting module configured to transmit notifications via the cellular communication network to the user subscriber terminal, and a receiving module configured to receive messages over the cellular communication network from the user’s subscriber terminal — in this case, a microprocessor with a control keyboard is inserted into the terminal device, the input of which is connected to the output of the receiving module, and the output to the input of the front end present module, and a complex programmable security alarm introduced module for transmitting notification in the cellular network associated with the processor unit and the alarm control microprocessor IPN terminal device.

The disadvantage of the above system is its vulnerability to intentional communication interference, due to the use of a cellular communication network in this system. The present utility model addresses this drawback.

The scope of the proposed utility model is system objects, for example, apartment buildings, summer cottages or garage cooperatives, which are compact groups of real estate objects. A feature of all these system objects is the presence of a person who carries out round-the-clock supervision of each object in the group. This is a concierge in an apartment building, as well as a caretaker in a holiday village or in a garage cooperative. For brevity, in the future we will call such a person a concierge.

The subject of the proposed utility model is an alarm system for servicing a compact group of real estate objects, containing a subscriber terminal of a standard communication network configured to exchange data with a monitoring station via a standard communication network, as well as a series of alarm systems installed in each of the N serviced real estate objects and a terminal device containing a microprocessor, to the control input of which a control module is connected, and the information input i is the input of this terminal device, while each of the alarm systems includes K detectors, the outputs of which are connected to the corresponding inputs of the control panel, L sirens, the inputs of which are connected to the corresponding information outputs of the control panel, and a notification transmission module, the input of which is connected to the communication output of the control panel, and the output is the output of this alarm system. The system also contains an automated workstation (AWP) of the concierge and an internal radio network for transmitting information through which the radio outputs of each of the terminal devices are connected to the radio input of the concierge's workstation, and a transmitter module is inserted into each terminal device, the information and control inputs of which are connected to the outputs of the microprocessor of the same name, and the output is the radio output of this terminal device, while the concierge workstation is made in the form of a series-connected receiving module, the input of which is the audio input of the concierge workstation and a personal computer, the USB bus of which is connected to the subscriber terminal of the standard communication network via a wired or wireless interface module of the concierge workstation

Private essential features of the proposed utility model are as follows.

Each transmitting module contains a random number generator, a carrier frequency shaper, a hopping message generating unit and a power amplifier, the output of which is the output of this transmitting module, the input of the random number generator being the control input of the transmitting module, and the second input of the hopping generating unit messages - information input of this transmitting module.

The subscriber terminal of the standard communication network is made in the form of a fixed telephone set or telephone exchange connected to the public switched telephone network, and the concierge's workstation interface module is in the form of a wired or wireless modem of the public switched telephone network configured to connect to the subscriber terminal of the standard communication network and to the USB bus of a personal computer.

The subscriber terminal of the standard communication network is made in the form of a cell phone, and the concierge workstation interface module is in the form of a wired or wireless means of communication between the USB bus of a personal computer and a cell phone.

The control module is made in the form of a key Touch memory.

The control module is made in the form of a keyboard.

The objective of this utility model is to create an alarm system for servicing a compact group of real estate objects (apartments in an apartment building, houses in a cottage settlement, garages in a garage cooperative and other similar objects), which is more resistant than intentional interference to intentional interference while maintaining the aforementioned advantages of decentralized security systems over systems built on the principle of centralized security.

The essence of the proposed utility model is illustrated in figure 1 - figure 5.

Figure 1 presents the General structural diagram of the proposed alarm system.

Figure 2 shows the structural diagram of an integral part of the system under consideration - the alarm system.

Figure 3 shows the structural diagram of the component part of the system in question - the terminal device.

Figure 4 shows a structural diagram of a possible embodiment of a transmitting module based on the use of a hopping signal.

Figure 5 shows the structural diagram of the component of the system in question - the concierge workstation.

Figure 1 - figure 5 presents the following notation: 1 - complex alarm; 2 - terminal device; 3 - detector; 4 - siren; 5 - instrument receiving control; 6 - notification transmission module; 7 - microprocessor; 8 - internal radio network information transfer; 9 - Concierge workstation; 10 - transmitting module; 11 - control module; 12 - random number generator; 13 - shaper carrier frequency; 14 - block forming a hopping message; 15 - power amplifier; 16 - receiving module; 17 - personal computer; 18 - subscriber terminal of a standard communication network; 19 - concierge workstation interface module.

The considered alarm system for servicing a compact group of real estate objects (zones) contains (Fig. 1) a subscriber terminal 18 of a standard communication network, configured to exchange data with the monitoring station via a standard communication network. The system includes N zones, each of which includes a series 1 alarm system 1 and a terminal device 2.

Each terminal device 2 contains (Fig. 3) a microprocessor 7 with information and control outputs, the information input of which is the input of this terminal device 2, and the output of the control unit 11 is connected to the control input. In this case, the control module 11 can be made either in the form of a Touch memory key, or in the form of a keyboard. Other embodiments of the control module 11 are possible (for example, in the form of a key fob or a transponder tag). They are not considered in this utility model to simplify the presentation.

The composition of the terminal device 2 (Fig. 3) also includes a transmitting module 10, the information and control inputs of which are connected, respectively, to the information and control outputs of the microprocessor 7, and the output is the radio output of this terminal device 2.

The composition of each of the N complexes 1 alarm (2) includes L sirens 4 and K detectors 3, the outputs of which are connected to the corresponding inputs of the device 5 reception and control, the communication output of which is connected to the input of the module 6 of the transmission of notifications. And the output of the notification transmission module 6 is the output of this alarm system 1. The input of each of the L sirens 4 is connected to the corresponding information output of the device 5 reception and control.

The system also contains AWP 9 of the concierge and an internal radio network 8 for transmitting information through which the radio output of each terminal 2 is connected to the radio input of AWP 9 of the concierge.

AWP 9 of the concierge (Fig. 5) is made in the form of a series-connected receiving module 16, the input of which is the radio input of the AWP 9 of the concierge, and a personal computer 17, whose USB bus is connected via a wired or wireless interface module 19 to the subscriber's AWP .

In a possible embodiment of the system under consideration, each transmitter module 10 is made (Fig. 4) in the form of a series-connected random number generator 12, a carrier frequency generator 13, a hopping message generating unit 14 and a power amplifier 15, the output of which is the output of this transmitter module 10. Moreover, the input of the random number generator 12 is the control input of the transmitting module 10, and the second input of the hopping message generating unit 14 is the information input of this transmitting module 10.

The outputs of all the transmitting modules 10 via the internal radio network 8 for transmitting information are connected to the receiving module 16, which is part of the workstation 9 of the concierge (Fig. 5). The receiving module 16 is designed to receive and process hopping messages using digital filtering methods, for example, based on the fast Fourier transform (FFT).

A variant of the construction of the system under consideration is possible, in which the subscriber terminal 18 of the standard communication network is made in the form of a fixed telephone set or telephone exchange. In this case, the standard communication network to which the subscriber terminal 18 of the standard communication network is connected is a public telephone network. At the same time, the concierge workstation interface module 19 (which is part of the concierge workstation 9) should be a wired or wireless modem of the public telephone network, configured to connect to the subscriber terminal 18 of the standard communication network and to the USB bus of the personal computer 17.

In another possible embodiment, the subscriber terminal 18 of the standard communication network is made in the form of a cell phone, and the concierge workstation interface module 19 is in the form of a wired or wireless means of communication of the USB bus of a personal computer 17 with a cell phone.

The terminal device 2 and the alarm system complex 1, which are part of the inventive system, comprising detectors 3, annunciators 4, and a control and reception device 5, are typical technical means of fire alarm systems ("Handbook of Engineering and Technical Workers and Electricians of Security Equipment -fire alarms ", Moscow, GUVO MVD, 1997). Technical characteristics of these devices sold on the commercial market are given, for example, in the Bolid Product Catalog, autumn 2008 (www.bolid, ru).

The structural diagram of the construction of AWP 9 concierge is also typical. The basis of the concierge workstation 9 is a regular personal computer 17, for example, a laptop with memory and speed characteristics depending on the number of serviced zones (apartments). Obtaining information from the receiving module 16 and exchanging information through the concierge AWP module 19 with the subscriber terminal 18 of the standard communication network, for example, with a cell phone or with a fixed telephone, are carried out via standard USB ports.

When using a standard cellular telephone communication network as a subscriber terminal 18, for example, a Bluetooth modem available on the commercial market can be used as a concierge workstation interface module 19.

When using a stationary telephone exchange or a telephone set connected to a public switched telephone network as a subscriber terminal 18 of a standard communication network, a standard wired or wireless modem of a public switched telephone network can be used as an interface module 19 for connecting the concierge AWP. Both types of modems are commercially available.

Non-standard elements in this system are:

- a transmitting module 10 installed in the terminal device 2;

- receiving module 16, installed in the AWP 9 concierge.

These modules are terminal elements of the internal radio network 8 information transfer. The peculiarity of this network is the use of hopping signals in it, in accordance with the technology previously patented by the applicant company (patents RU No. 2265250, G08В 25/08, G08C 15/00, RU No. 2278415, G08В 25/10, G08В 29/12 , Н04В 1/713 and a number of others). The indicated modules are implemented in RS-202 and RS-201 radio channel SPI RIF STRING commercially available by the applicant company, as well as in LONTA PRO SPI (www.altonika.ru)

In this commercially available equipment, the random number generator 12, which is part of the transmitting module 10 (figure 4), is made on sixteen-bit registers with "linear" feedbacks. Such generators 12 random numbers allow you to generate sixteen-digit random numbers that specify 2 ¹⁶ values, of which are used, for example, 2 ¹⁰ values. The bandwidth of the group spectrum is 48 kHz. The frequency instability of the carrier frequency former 13 is ± 4 kHz in the temperature range from minus 40 to plus 60 ° C. The duration of the interval of each symbol of the hop message T is about 20 ms. The fastest change in the carrier frequency, due to the relative frequency instability of the carrier driver 13 of the carrier frequency does not exceed 10 Hz per hour. The number of nominal frequencies allowed for transmission, taking into account the instability of the hopping signal, is 1024.

The receiving module 16, installed in the workstation 9 of the concierge, is the most complex and expensive element in the system. It can be implemented, for example, on the basis of the receiver of the RS-202BS base station (www.altonika.ru), commercially available by the applicant company (certificates of conformity ROSS RU.ME96.H00513, SSPB.RU.OP019.N00259).

As for the transmitting modules 10 installed in the zones, they are simpler technical devices and have a relatively low cost. Structurally, they can be made in a single building with other object equipment alarm. Since the system uses only one expensive element - the receiving module 16, the cost of the entire system can be relatively low and affordable for ordinary users. As for the installation and operation of object equipment (that is, alarm system complex 1 and terminal device 2), they also do not cause difficulties and can be carried out by the user himself without the involvement of experienced specialists. This is also a merit of the system in question.

Thus, all the technical means used in the system are well known and available in the commercial market. Therefore, the possibility of practical implementation of the system in question is beyond doubt.

The proposed alarm system for servicing a compact group of real estate works as follows.

For concreteness, we restrict ourselves to the task of protecting an apartment building, in which the concierge is constantly on duty. We assume that all the apartments in the house, or a significant part of them (that is, N real estate objects), are equipped with alarm alarm complexes 1 connected by wires or radio channels to N terminal devices 2 (Fig. 1).

In each zone (that is, for a specific example - in each apartment) there are K detectors 3 and L annunciators 4 (figure 2). The reception of information from detectors 3 and the formation of control commands for sirens 4 in each of the zones is carried out by a reception and control device 5, which has a communication output to the notification transmission module 6.

When an unauthorized person tries to enter the protected zone or during another alarm event in one of the protected zones, one or more detectors 3 located in this zone are triggered and alarm notifications are generated.

The operation of the detector 3 can also be caused by permissible user action (for example, opening the cover of the detector 3 before temporarily turning it off to replace batteries or other consumable materials, as well as turning on the detector 3 after a temporary shutdown). In this case, the detector 3 generates a service notice, which indicates the password number, which was used to identify the user who carried out the permissible impact, as well as the conditional code of the permissible impact. In addition, the detectors 3 periodically transmit control and diagnostic notifications of their condition, for example, the degree of charge of the battery.

From the detector 3, the indicated alarm, service and control and diagnostic notifications are received in the control and reception device 5. The processor of the control and reception device 5 requests code information from the memory block included in it, which allows to determine the location and identification characteristics of the detector 3 that sent this notification. Next, the control and reception device 5 generates notifications for further transmission to the notification transmission module 6 and / or issues commands to activate the sirens 4 (sound and / or light). All alarms are subject to transmission to the notification transmission module 6 without exception. The need for the transmission of certain service notifications is determined when programming the processor of the device 5 reception and control. The control and diagnostic notifications are not transferable, however, in the case of a long absence of notifications (alarm, service or diagnostic) from any security detector 3, the receiving and control device 5 generates and sends through the notification transmitting module 6 a notice of the alleged emergency condition of any detector 3.

The notification sent to the terminal device 2 - to the information input of the microprocessor 7 (figure 3). The microprocessor 7 converts the received notifications into messages intended for sending them via the internal radio network 8 for transmitting information to the workstation 9 of the concierge serving this apartment building. The specified transfer is carried out using the transmitting module 10, operating under the control of the microprocessor 7. The parameters of the specified control are set programmatically using the control module 11.

The transmitting module 10 (figure 4) works as follows.

Received from the control output of the microprocessor 7, the activation command is supplied to the random number generator 12 included in the transmitting module 10. The latter generates an m-bit binary code Z of a random uniformly distributed number ranging from 0 to (2 ^m -1) and feeds this code Z to the input of the carrier frequency former 13. According to this code, the carrier frequency driver 13 generates a frequency F _m , the value of which can be determined by the formula:

F _m = F ₀ + ΔFZ,

where F ₀ is the minimum frequency (at Z = 0);

ΔF is the step of the frequency grid.

The generated frequency F _m goes to the first input of the block 14 forming a hopping message.

In block 14 of the formation of the hoping message, the following bits are sequentially formed:

- a marker consisting of the number of logical units and one logical zero strictly defined for a given system. A marker is used to determine the number Z in a hop message;

- an address code defining the identification number of the alarm system complex 1;

- information received from the information output of the microprocessor 7 and determining the information part of the hoping message;

- a checksum designed to confirm the correctness of the received hopping message.

The checksum is unambiguously calculated, depending on the generated address codes and information. If necessary, when transmitting the address, information and checksum, interference-proof coding can be used.

The information is encoded messages generated by the microprocessor 7, in accordance with the notifications received from the alarms of the detectors 3 included in this complex 1. The microprocessor 7 sends the corresponding encoded messages to the information input of the transmitting module 10, which is the second input of the generating unit 14 messages. The carrier frequency signal from the output of the carrier frequency former 13 is supplied to the first input of the hopping message generating unit 14. The high-frequency signal coming from the output of the hopping message generating unit 14, carrying the hopping message, is amplified in the power amplifier 15 and radiated into the air, creating a hopping signal field around the terminal device 2.

The signal carrying the hopping message emitted by the transmitting module 10 of the terminal 2 is captured by the antenna of the superheterodyne type receiving module 16, which is part of the concierge workstation 9 (Fig. 5), is converted into a set of digital values and subjected to digital narrow-band filtering with an AF step and an integration period equal to G. Such filtering can be implemented, for example, by FFT methods.

Since the FFT integrates over a sufficiently long period of time T (transmission of one bit), short-term interference in the received hopping signal practically does not affect the reception quality of the hopping message. This allows you to receive hopping messages at sufficiently large distances with a relatively low radiation power, a high degree of signal shielding by the walls of the house, as well as in the conditions of deliberate interference by intruders.

According to the characteristic form of information at one of the admissible reception frequencies Fm, the receiving module 16 determines the presence of receiving the marker.

After receiving the marker, the stage of receiving address signals and information of the hoping message begins, the checksum code is calculated, which is compared with the checksum code received as part of the hoping message. If these values coincide, the received hop message is considered reliable. The reception of the hop message ends and the digital hop message is transmitted to the corresponding USB bus of the personal computer 17.

A personal computer 17 with the participation of the concierge as an operator performs:

- digital processing of hop messages containing alarming or service information from terminal devices 2;

- a visual display of the address codes of the terminal devices 2 from which the messages were received, and the contents of these messages;

- two-way address data exchange with the monitoring station serving this apartment building;

- documentation of information received from security zones, and service (command) information received from the monitoring station.

The communication of the personal computer 17 with the monitoring station is carried out through the subscriber terminal 18 of the standard communication network.

The subscriber terminal 18 of the standard communication network can be made in the form of a fixed telephone exchange or telephone, connected to the public telephone network. The subscriber terminal 18 of the standard communication network is connected to the personal computer 17 through the concierge workstation interface module 19, the role of which in this case is played by a wired or wireless modem configured to be connected between the subscriber terminal of the public switched telephone network and the dedicated USB bus of the personal computer 17.

If a cellular mobile network, for example, a GSM network, is used as a standard communication network, then the role of the subscriber terminal 18 of the standard communication network is played by a regular cell phone, and the role of the concierge workstation interface module 19 is by a wired or wireless means of communication between a dedicated USB bus of a personal computer 17 and a cell phone.

In the system, which is the closest analogue, a standard communication network (cellular communication network) is used to transmit notifications from protected areas to a remote user subscriber terminal. Instead, in the system under consideration, the standard communication network is used in a limited way - only in the AWP 9 concierge to send messages to external devices, for example, to the monitoring station. The concierge may, in particular, use a standard communication network to notify the owner of the secure apartment or other users. To communicate the equipment installed in the zones with the workstation 9 of the concierge, a specialized internal radio network 8 for information transmission is used. As noted above, the use of hopping messages in it leads to a high degree of noise immunity of the radio channel for communication of protected areas with AWP 9 of the concierge. As a result, the concierge has the opportunity to receive alarming information even if attackers place a special jammer directly at the door of the guarded apartment.

Having received the disturbing information on your personal computer 17 and having received its display on the monitor screen, the concierge, before sending disturbing messages to external subscribers via a standard communication network, analyzes the received data. At the same time, he has the opportunity to minimize the likelihood of a false alarm by, for example, dialing the phone into the apartment from which the alarm message arrived. The absence of a user response indicates that the alarm was not false. Upon receipt of a response from the user, it becomes clear that the alarm was caused, for example, by an “error when disarming”.

Thus, as a result of the implementation of the proposed technical solution, an alarm system can be created for servicing a compact group of real estate objects (for example, apartments in an apartment building, houses in a summer cottage or garages in a garage), which is more stable than its closest analogues in terms of relative to intentional interference. At the same time, all the known advantages over centralized security systems are retained.

Claims (6)

1. An alarm system for servicing a compact group of real estate objects, comprising a subscriber terminal of a standard communication network configured to exchange data via a standard communication network with a central monitoring console, as well as a series of alarm systems and a terminal connected to each of the N serviced real estate objects a device containing a microprocessor, to the control input of which a control module is connected, and the information input is an input m of this terminal device, while each of the alarm complexes includes K detectors, the outputs of which are connected to the corresponding inputs of the control panel, L sirens, the inputs of which are connected to the corresponding information outputs of the control panel, and a notification transmission module, input which is connected to the communication output of the control panel, and the output is the output of this alarm system, characterized in that it is automatically This workplace of the concierge and the internal radio transmission network of information through which the radio outputs of each of the terminal devices are connected to the radio input of the workstation of the concierge, and a transmitting module is inserted into each terminal device, the information and control inputs of which are connected to the outputs of the microprocessor of the same name, and the output is the radio output of this terminal device, while the concierge workstation is made in the form of a series-connected receiving module, input which is the radio input of the concierge workstation, and a personal computer, the USB bus of which is connected via a wired or wireless interface module to the subscriber terminal of the standard communication network of the concierge workstation. 2. The system according to claim 1, characterized in that each transmitting module comprises a random number generator, a carrier frequency shaper, a hopping message generating unit and a power amplifier, the output of which is the output of this transmitting module, and the input of the random number generator is the control input of the transmitting module, and the second input of the hopping message generation unit is the information input of this transmitting module. 3. The system according to claim 1, characterized in that the subscriber terminal of the standard communication network is made in the form of a stationary telephone set or telephone exchange connected to the public telephone network, and the interface module of the automated workplace of the concierge is in the form of a wired or wireless telephone network modem general use, configured to connect to a subscriber terminal of a standard communication network and to a USB bus of a personal computer. 4. The system according to claim 1, characterized in that the subscriber terminal of the standard communication network is made in the form of a cell phone, and the interface module of the concierge workstation is in the form of a wired or wireless means of communication of the USB bus of a personal computer with a cell phone. 5. The system according to claim 1, characterized in that the control module is made in the form of a Touch memory key. 6. The system according to claim 1, characterized in that the control module is made in the form of a keyboard.