RU2322697C2 - Intruder alarm device for electric communication objects - Google Patents

Abstract

FIELD: engineering of devices for controlling schedule of operation of objects, including electric communication objects, and which also realize protective functions in emergency situations, which happen in case of breaking and entering, fire, flooding, etc on these objects.

SUBSTANCE: intruder alarm device for electric communication objects contains a microprocessor block with power supply, which is made in form of microprocessor controller, to inputs of which voltage control blocks are connected, made in form of blocks for controlling power supplying input, which ensure single-period rectification, moisture control sensitive elements, semiconductor temperature sensors, block for reading condition of a group of discrete sensors and block for reading from individual chip-keys, and outputs of microprocessor controller are connected to issued siren and the block for engagement with sound annunciator, where the power supply unit is connected to electric supply net of electric communication object.

EFFECT: expanded functional capabilities, ensured adaptation to objects of electric communication independently on their position due to realization of device according to modular principle.

4 cl, 1 dwg

Description

The invention relates to devices that monitor the operating modes of objects, in particular telecommunication objects, as well as perform security functions in emergency situations that occur during burglary, fire, flooding, etc. at these facilities.

A device for signaling the state of dispersed objects connected by a single-wire communication line. In this device, the pulse selector installed at the control room is designed to isolate pulses of information coming from the monitored points of protected objects, and the n-pulse from the K-pulse burst triggers the n-block alarm confirming the health of the object and / or blocking the emergency .

However, the known device is not intended to monitor telecommunication facilities, because not provided with the necessary blocks and sensors, and also does not use existing telecommunication channels, and requires laying a single-wire communication line [RF Patent No. 2081457, G08B 25/00, G08C 15/06, 1997].

The closest to the claimed technical essence and the problem to be solved is a security alarm device that is part of a system designed to protect a large number of geographically localized objects from hacking, fire, gas leakage and other emergency situations, for example, apartments in a multi-storey building in which subscriber units are installed system [RF Patent No. 2092903, G08B 26/00, 1997]. The device identifies the type of security function violated, the time periods for the protection of objects and exchanges information between the security object and the control center via a two-wire line.

However, the known device is not intended for the implementation of security functions of telecommunication facilities that are remote from each other over long distances, because It requires two-wire communication with the dispatch center, and also does not allow controlling a number of parameters specific to such objects. In addition, such a device requires the additional acquisition of sensors of various types, which complicates, increases the cost, and in certain cases makes it impossible to use the device in the alarm system of telecommunication facilities.

The technical problem that this invention solves is to expand the functionality and ensure adaptability to telecommunication facilities, regardless of their location, due to the implementation of the device in a modular fashion.

The essence of the invention lies in the fact that in the security alarm device of telecommunication objects containing a microprocessor unit with a power supply, according to the invention, the microprocessor unit is made in the form of a microprocessor controller, to the inputs of which are connected voltage control units, sensitive elements of moisture control, semiconductor temperature sensors, a readout unit states of a group of discrete sensors and a reading unit from individual CHIP keys, and the outputs of the microprocessor controller are connected standard siren unit docking with the sounder, the power unit is connected to the power supply circuit telecommunication object.

Thanks to the modular configuration, the device measures the operating modes of the equipment of the telecommunication facility, alarms about emergencies, access control to the premises of the facility and authorization of personnel who opened the facility. In particular, the device provides:

- measuring the voltage of the station supply and transmitting to the dispatch center (DC) a code combination corresponding to its value;

- control of the presence of phases at the three-phase supply input (one or two) and the issuance of discrete signals of the normal / accident type according to the results of the control;

- control of the presence of a phase on a single-phase supply input (one or two) and the issuance of discrete signals of the normal / accident type according to the results of the control. Control inputs for single-phase and three-phase power inputs can also be used to connect an alarm about the presence / absence of a supply voltage of ~ 220 Volts at a certain point (for example, at the input supplying the air conditioner);

- measuring temperature at two arbitrary points and transmitting code combinations corresponding to its values to DC;

- control of the appearance of open moisture (water) in two derived points and the issuance of a discrete signal of the norm / accident type according to the results of the control;

- organization of access control to the premises with the functions of the “virtual OPS remote control”;

- Organization of an access authorization system for a room by reading a digital combination from an individual CHIP key such as Touch Memory, identifying the subject and transmitting the conditional code to the DC;

- issuing a control signal for a standard siren and (or) an audible siren for a voltage of ~ 220 Volts with unauthorized access to the facility;

- reading and transfer to the DC of the states of nine discrete general-purpose sensors. Discrete sensors can be of the following types:

- type “dry contact”,

- voltage output +5 Volt / 0 Volt (LED alarm;

- voltage output +5 Volt / 0 Volt (alarm lamps, fuses, etc.).

The device is made on a modular basis and allows you to implement both all of these functions, as well as their part. At the same time, all the necessary control elements are supplied with the device, and additional costs for the acquisition of sensors are not required.

In the inventive device, power is supplied from its own power supply circuit of telecommunication equipment (48-60 volts, direct current). Therefore, unlike the prototype, it does not require the connection of the object of protection to the general industrial network (220 Volts).

In addition, in the claimed device, the voltage control units are made in the form of control units for three-phase and single-phase input and are equipped with external elements that provide opto-isolation of input signals, their normalization in level and single-wire rectification. The microprocessor controller program analyzes the presence of three voltage pulses at the input corresponding to one half-wave of alternating voltage with a frequency of 50 Hz, following each other.

The moisture control sensing element is a printed circuit board made of foil-coated fiberglass with two U-shaped printed conductors etched on it.

In addition, the device can be equipped with modules for transmitting information to a dispatch center via an Ethernet computer network, a tonal frequency channel of a transmission system, and a public switched telephone network over a dial-up channel.

The device is additionally equipped with expansion modules for connecting one or more information collection devices.

The drawing shows a structural diagram of the inventive device.

The device contains a microprocessor controller (IPC) 1, which carries out all operations to collect information, process it, issue control actions, and transfer it to a dispatch center. The IPC 1 is supplied with power through a power unit 2 connected to the power supply circuit of the telecommunication facility (48-60 volts, direct current). Blocks 3, 4, 5, 6 are used for voltage control. Blocks 3, 4 carry out galvanic isolation and single-half-wave rectification of a single-phase voltage of ~ 220 volts. The IPC 1 program analyzes the presence of voltage pulses at the inputs of blocks 3, 4 corresponding to one half-wave of alternating voltage with a frequency of 50 Hz. Blocks 5, 6 are designed to control three-phase inputs. The IPC 1 program analyzes the presence at the input of blocks 5, 6 of three voltage pulses corresponding to one half-wave of alternating voltage with a frequency of 50 Hz, following each other. Any of the four inputs to blocks 3-6 can be used to signal the presence / absence of one phase at the monitored object, which is ensured by the corresponding software configuration.

To fix the appearance of open moisture (water) in the room, sensitive elements 7 and 8 are used, which are boards with open printing tracks, the resistance between which decreases with moisture. Sensitive elements 7, 8 are included in the measuring bridge, triggered when moisture appears, as well as when the loop is broken. Elements 7, 8 can be placed in places of possible flooding (under steam heating batteries, on the ceiling, etc.). Elements 7, 8 react to water that is not galvanically bonded to the “ground”, and therefore can be used in rooms with any type of floor.

When moisture gets on the sensing element 7, 8, the resistance between the W-shaped printed conductors decreases, the bridge is unbalanced, a current appears in its diagonal, which is perceived by the circuit, which leads to the formation of the “WATER” signal.

When the “WATER” loop breaks, the resistor is turned off and the bridge is unbalanced in the opposite direction. This imbalance leads to the formation of the “WATER” signal along the same circuits.

For temperature measurement, semiconductor sensors 9, 10 are used, which are integrated circuits of the type DS1821 from Dallas Semiconductor. They work in a 1-Wire Microlan network, the interface of which is formed by IPC 1. During the survey of sensors 9.10, a digital code is generated proportional to the temperature measured by the sensor, which is transmitted by MPUK 1 to the dispatch center during data transfer. The design of the sensor allows you to place it directly at the measuring point.

To implement the function of access control to the room, the discrete input “Door” is used. To authorize access to the premises and issue the primary audible alarm, a reader 11 is used, which reads the code from individual Chip keys of the Touch Memory type, followed by the transfer of the calculated checksum to the control center, where the person who opened the object is identified by the checksum.

Any normally-closed security device is used as an input sensor - from the simplest reed switch on the front door to a volumetric siren. The entrance is designed for a short connecting line laid indoors in a manner inaccessible to unauthorized persons.

A low-power standard siren 12 is used as the main signaling device. As an alternative source of sound — a volume type siren, a sound siren 13 for a voltage of ~ 220 volts (howler, loud bells, etc.) can be used. The operation algorithm of these devices (the function of the “virtual remote control”) is as follows. Two bits are transmitted to the dispatch center in a common package. They are conditionally called "Opening the door" and "Security of the room." These messages, accompanied by the address of the object, will be displayed on the screen of the dispatch center.

On MPK 1 there is also a block 14 for reading the states of discrete sensors of the "dry contact" type or sensors having a constant voltage output. The main feature of dry contact sensors is the presence of two separate contacts that do not have any connection with the power supply (tamper-evident switches, remote control outputs, cable breaks controlled). As sensors with a constant voltage output, points related to station power (signal lamps, fuses) or emergency outputs generating levels 0V / + 5V can act.

The issuance of information from IPC 1 in the DC is carried out in the following ways:

- through the tonal frequency (PM) channel of the transmission system;

- on a dedicated physical pair of wires;

- via a public telephone network (dial-up channel);

- through a computer network such as Ethernet.

In addition, information can be transmitted directly to a local personal computer (PC) or to a remote local PC via a physical pair. In these cases, additional information transfer modules are not required.

Connection through the channel of the tonal frequency (PM) of the transmission system is made by installing on the IPC 1 the information transfer module 15, programmed into the PM mode. An RS-TL type module 15 converts the data from the output of the IPC 1 into dual-frequency tone packages.

Communication over a dedicated physical pair of straight wires is a special case of communication over the PM channel. Through one COM port, up to 20 objects can be connected to a computer. Achievable communication range of up to 2 km.

Communication through a public switched telephone network over a switched channel is done by installing an RS-TL module that analyzes output data, determines the presence of altered discrete signals, compares the received digital codes of the measured values with the recorded settings and, if necessary, communicates with the data center via a switched channel. The required occupied resource is a subscriber set at the facility.

Communication through a computer network such as Ethernet is done by installing an RS-E module 15, which contains an integrated Xport converter.

In order to expand the number of controlled inputs, as well as the capabilities of the device, a peripheral device such as ASI 16F, ASI 56F, ASI 96K can be connected to it through an expansion module 16. Paired devices should not be spaced more than 30 meters away. All of these devices come in PM mode. Connecting peripheral devices allows you to have a single data channel in the data center.

The claimed device operates as follows.

During the survey, information on the state of the elements of the device 3, 4, 5, 6, 7, 8, 9, 10, 11, 14 in an integrated form is fed to the inputs of the IPC 1, which analyzes them and issues commands to the signal devices 12, 13, and also through module 15 on the DC.

Communication channels with a data center can be either continuous (a dedicated physical pair, a PM channel, an Ethernet computer network), or provided upon request by a device such as a public switched telephone network (PSTN). In the case of operation through a continuous communication channel, the device is engaged in the initial analysis of the information received from elements 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, converting it into a code message received in the data center with the corresponding software. In the case of operation via PSTN, the boundary values of the monitored parameters are recorded in the non-volatile memory of the microcontroller of the RS-TL module. If the parameter goes beyond the limit value, the call center is called to the telephone number programmed in the RS-TL microcontroller, and the subsequent data transfer via the telephone channel.

Claims (4)

1. The alarm device of telecommunication facilities, containing a microprocessor unit with a power supply unit connected to a control center, characterized in that the microprocessor unit is made in the form of a microprocessor controller, the inputs of which are connected to voltage control units made in the form of power input control units providing half-wave rectification, moisture control sensors, semiconductor temperature sensors, discrete sensor readout unit and readout unit digital combination with individual CHIP keys, the outputs of the microprocessor controller are connected to a standard siren and a docking unit with an audible siren, and the power supply unit is connected to the power supply circuit of the telecommunication object, and said microprocessor controller is configured to control the presence of voltage pulses and output pulses at the inputs of the power input according to the results of the control of discrete signals, the norm / accident for signaling the presence / absence of phases at the supply inputs, said controller is executed n with the ability to control the signal coming from the sensitive elements of moisture control and output according to the results of the control signal norm / accident, said controller is configured to generate and transmit code combinations corresponding to the temperature measured by semiconductor temperature sensors to the control center, said controller is capable of reading and transmitting to the dispatch center a signal about the state of the group of discrete sensors, said controller is configured to identify tion of subjects read out from the individual chip-key digital combination, the transmission to the control center condition code and outputting standard siren control signal and / or an audible siren when unauthorized access to the premises telecommunications facility. 2. The device according to claim 1, characterized in that the control units of the supply input are configured to provide opto-isolation of the input signals and their normalization in level. 3. The device according to claim 1, characterized in that the moisture control sensitive element is a printed circuit board made of foil fiberglass with etched two W-shaped printed conductors. 4. The device according to claim 1, characterized in that the device is equipped with modules for transmitting said information to a dispatch center via an Ethernet computer network, a tonal frequency channel of a transmission system, and a public switched telephone network over a dial-up channel.