RU208641U1 - Multiprotocol communication device for outdoor lighting control module - Google Patents

Abstract

The utility model relates to data transmission technology. The technical result consists in expanding the functionality, providing multi-protocol use of the device for receiving and transmitting information in an automated outdoor lighting control system. The device contains a modem, a computing unit, the first input-output of which is connected to the first input-output of a cellular communication modem, made in the form of a GSM 3G/4G (LTE) Cat-4-8 modem with GPS/GLONASS support, connected to the computing unit via an interface USB, a Thread mesh network modem configured to connect its input/output via the UART interface to the second group of inputs/outputs of the computing unit, as well as the automatic SIM-Card and Embedded SIM (MFF2) connection unit, the input/output of which is connected to the second inputs and outputs of the cellular modem. 1 ill.

Description

The utility model relates to data transmission technology and can be used to receive and transmit information (commands, schedules, software firmware) of an automated outdoor lighting control system.

A device for transmitting information via outdoor lighting lines [RU 2342782, C1, H04V 3/54, 12/27/2008] is known, containing a communication line, modems, matching transformers connected through communication capacitors to the communication line, the role of which is performed by one of the phase wires.

It is also known a device for transmitting and receiving information in the KB range [RU 127565, U1, H04L 27/00, 27.04.2013], containing a modulator and demodulator of signals, a control unit, a data input-output unit, a signal input-output unit, while a modulator includes an encoder, a multiplier, a scrambler, a QAM modulator, a multiplexer, a pilot signal generator, an OFDM modulator, a transfer to the current frequency block, a carrier generator, a demodulator demodulator, pilot signal generator, equalizer, demultiplexer, QAM demodulator, descrambler, deinterleaver, decoder, moreover, the output of the data input-output unit is connected to the input of the encoder, the output of which is connected to the input of the interleaver, the output of which is connected to the input of the scrambler, the output of which is connected to the input QAM modulator, the output of which is connected to the first input of the multiplexer, and the generator is connected to the second input of the multiplexer. pilot signals, wherein the output of the multiplexer is connected to the input of the OFDM modulator, the output of which is connected to the first input of the transfer unit to the carrier frequency, and to the second input of which the carrier generator is connected, the output of the carrier transfer unit is connected to the input of the signal input-output unit, the output of which connected to the first input of the transfer block to zero frequency, the second input of which is connected to the output of the carrier generator, the input of which is connected to the output of the linking block, the input of which is connected to the first output of the transfer block to zero frequency, the second output of which is connected to the first input of the correction block time shift, the second input of which is connected to the output of the block of entry into communication, and the third input of which is connected to the first output of the equalizer, the output of the time shift correction block is connected to the input of the OFDM demodulator, the output of which is connected to the first input of the equalizer, the second input of which is connected to the pilot generator characters, the second output of which is connected line with the first input of the QAM demodulator, and the third output of which is connected to the input of the demultiplexer, the output of which is connected to the second input of the QAM demodulator, the output of which is connected to the input of the descrambler, the output of which is connected to the input of the deinterleaver, the output of which is connected to the input of the decoder, the output of which is connected to input of the data input-output block, while the signals of the control block are fed to all modulator, demodulator blocks, data input-output block and signal input-output block.

The disadvantage of this technical solution is a relatively narrow scope, limited by the HF wave band.

The closest in technical essence to the proposed one is an information transmission device [RU 2548173, C2, H04V 7/00, 04/20/2015], which includes a transmitting and receiving part, which contains multipliers, modulators, demodulators, encoder, decoder, clock generator pulses, low-pass filters, a pseudo-random sequence generator, characterized in that the transmitting part of the modem contains a data buffer connected to the data source for transmission, one output connected to the input of the encoder, and the other to the first input of the first switch of operating modes, the second input of which is connected to the output of the noise-correcting encoder, the third - to the output of the synchro-preamble generator in the form of a short pseudo-random sequence (PRS), the fourth input - the control input - is connected to the means for setting the operating mode, and the output is connected to the input of the modulator, the output of the first multiplier connected to the first input, the second whose input is connected to the output of the pseudo-random generator sequence (PSP), the output of which is connected to the input of a low-pass filter, the output of a digital-to-analog converter connected to the input, the receiving part of the modem contains a digital downconverter (DDC) designed to receive samples of the complex envelope from an analog-to-digital converter, the outputs of which are connected to the inputs devices for searching a broadband signal (BPS) by frequency and delay and the first inputs of the second - complex - multiplier, the second inputs of which are connected to the outputs of the phase-locked loop device (PLL), and the outputs are connected to the first inputs of the third - complex - multiplier and the first inputs of the tracking device behind a delay, the second input of which is connected to the output of a pseudo-random sequence generator (RRP), and the first output is connected to the second input of the third - complex - multiplier, the outputs of which are connected through integrators to the inputs of the sample-hold devices, the outputs of which are connected to the inputs of the phase-locked loop device frequency ki (PLL), while the output of one of the sample-and-hold devices is connected to the input of the demodulator, the output of which is connected to the means for searching and eliminating the sync preamble, the output of which is connected to the first input of the second switch of operating modes through the decoder and to its second input directly , the third input of the second switch of operating modes - the control input - is connected to the means for setting the operating mode, and the output is connected to the input of the output buffer, and the first output of the broadband signal search device (BSS) is connected to the control input of the digital synthesizer, which forms the reference signal of the downconverter, the second output is intended for connection to automatic gain control (AGC) means, the third output is intended for issuing the NPS capture flag, and the fourth output of the broadband signal searcher (NPS), on which the restart strobe is formed, is connected to the first input of the pseudo-random sequence generator (PSP), the first char counting module input PSP tins and the first input of the clock pulse generator (GTI), the second input of which is connected to the second output of the delay tracking device, one of the outputs is connected to the second input of the pseudo-random sequence generator (PSP), and the other output is connected to the second input of the PSP symbol counting module, the output of integrators connected to the reset inputs, sample-and-hold devices, a phase-locked loop device (PLL), a demodulator, a means for searching and eliminating a sync preamble, a decoder and an output buffer, a broadband signal search device (WPS) contains a fast Fourier transform (FFT) block , the first output of which is connected to the spectrum normalization block, the output through the first tunable delay line is connected to the first input of the fourth multiplier, the second input of which is connected to the output of the second tunable delay line, the input connected to the output of a permanent memory device, the output of the fourth multiplier is connected to the input of the inverse block fast conversion Fourier transform (IFFT), the first outputs of which are connected to the inputs of an incoherent storage, the output of a broadband signal detector (BSS) connected to the input, and the second output of the Fast Fourier Transform (FFT) and the second output of the Inverse Fast Fourier Transform (IFFT) are connected to the inputs command generation module for automatic gain control, wherein the inputs of the fast Fourier transform (FFT) block form the input of the broadband signal search device (BSS), the first, second and third outputs of the broadband signal detector (BSS) form the first, third and fourth outputs of the broadband signal search device signal (BSS), and the output of the command generation module for automatic gain control forms the second output of the broadband signal search device (BPS), the delay tracking means includes first, second and third delay lines, and the delay provided by the third line exceeds the delay, provided in the second line, which exceeds the delay provided by the first line, the outputs of the first and third delay lines are connected to the first inputs of the fifth and sixth multipliers, the outputs of which are connected to the inputs of narrow-band low-pass filters, each of which is connected by the output to the corresponding means of squaring the signal module, the outputs of the means for forming the square of the signal module are connected to the inputs of the subtractor, the output of the loop filter connected to the input, while the second inputs of the fifth and sixth multipliers form the first inputs of the delay tracking means, the combined inputs of the delay lines form the second input of the specified means, and the output of the second delay line and the output of the loop filter, respectively, the first and second outputs of the delay tracker are formed.

The disadvantage of the closest technical solution is the relatively high complexity and relatively narrow scope, which is due to the limitation on its possible use in the outdoor lighting control module for receiving and transmitting information (commands, schedules, software firmware) between the module's computing units. All this narrows the arsenal of technical means that can be used to receive and transmit information between the computing units of the outdoor lighting control module.

The task that is solved in the utility model is aimed at creating a device for receiving and transmitting information to an automated outdoor lighting control system in order to expand functionality by using its multiprotocol, as well as to expand the arsenal of technical means that can be used in such devices .

The required technical result is to expand the functionality by enabling the use of its multiprotocol, as well as to expand the arsenal of technical means that can be used in such devices.

The problem is solved, and the required technical result is achieved by the fact that, according to the utility model, a computing unit is introduced into the device containing the cellular communication modem, the first input-output of which is connected to the first input-output of the cellular communication modem, made in the form of GSM 3G/ 4G(LTE) Cat-4-8 modem with GPS/GLONASS support connected to the computing unit via USB interface, Thread mesh-network modem configured to connect its input/output via UART interface to the second group of input/outputs of the computing unit, as well as a block for automatic connection of SIM-Card and Embedded SIM (MFF2), the input-output of which is connected to the second inputs-outputs of the cellular modem.

The drawing shows a functional diagram of a multiprotocol communication device for an outdoor lighting control module.

The multiprotocol communication device for the outdoor lighting control module contains a cellular communication modem 1, a computing unit 2, the first input-output of which is connected to the first input-output of the cellular communication modem 1, made in the form of a GSM 3G/4G (LTE) Cat-4-8 modem with GPS/GLONASS support connected to the computing unit 2 via USB interface.

The device also contains a modem 3 mesh-network Thread, configured to connect its input-output via the UART interface to the second group of inputs-outputs of the computing unit 2, and the unit 4 for automatic connection of SIM-Card and Embedded SIM (MFF2), the input-output of which connected to the second inputs-outputs of the modem 1 cellular.

The multiprotocol communication device for the outdoor lighting control module works as follows.

The device is an integral part of the base station of the outdoor lighting control system of a settlement or city district, which communicates with external networks, primarily with the Internet.

The device, as a network gateway, transfers data from devices to the cloud server and back via wired and wireless communication channels. It incorporates hardware (modems) for maintaining communication in mesh networks and communication in GSM 3G/4G (LTE) networks of cellular operators. The device operates under the control of a programmable computing unit included in its composition.

Based on the requirements of the device, it provides the following functions:

- receiving and transmitting commands/data using the Thread mesh network infrastructure;

- determination of their coordinates and exact time using GPS / GLONASS;

- receiving and transmitting commands/data using the "cloud" infrastructure via GSM 3G/4G(LTE) cellular communication channels;

- the possibility of alternative use of SIM-Card and Embedded SIM (MFF2);

- interaction with the "cloud" infrastructure via GSM 3G/4G(LTE) Cat-4-8 channels.

The advantages of the device are its simplicity, implementation in the form of a modular design, the ability to be placed in a standard NEMA-type case, as well as providing multiprotocol and operation of the device with a "cloud" infrastructure via a mesh network, which expands its functionality and expands the arsenal of technical means for use in outdoor lighting control systems.

Claims (1)

A multi-protocol communication device for an outdoor lighting control module, containing a modem, characterized in that a computing unit is introduced, the first input-output of which is connected to the first input-output of a cellular communication modem, made in the form of GSM 3G / 4G (LTE) Cat-4-8 a modem with GPS/GLONASS support connected to the computing unit via USB, a Thread mesh-network modem configured to connect its input/output via the UART interface to the second group of inputs/outputs of the computing unit, as well as an automatic SIM-Card connection unit and Embedded SIM (MFF2), the input-output of which is connected to the second inputs-outputs of the cellular modem.

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