The device two-wire lines with four channels

 

(57) Abstract:

Scope: the invention relates to radiotelephone communications control and is used to build extensive networks of repair and operational control communication. The inventive device two-wire lines with four channels contains a valve signal 1, the first and second linear blocks 21, 22the first and the second and third blocks of four-wire termination 31, 32, 33, peregovorni control block 4, block reception tone 5, the first and second elements OR 6.7. 5 Il.

The invention relates to radiopribornuy communication, in particular to radio dispatch.

It is known device two-wire lines with four channels containing directional signals, connected to the service-negotiation block two block two wire ends, each of which contains a block of voice control, power transmission, power receiving and linear transformer, and two remote control units, each of which contains first and second cords, switch and low pass filter, primic tone (Railway telephone Ed. C. N. Hudova, M. Transport, 1983, S. 330).

This device does not allow to match the same node more than two voice frequency channels.

Of the known devices is the closest device two-wire lines with four channels containing directional signals, the first and second linear blocks (first and second blocks of two-wire termination in the prototype), the first and second blocks wire end (remote units in the prototype), the negotiation-the control unit and the reception unit tone, while the first, second, third and fourth inputs and outputs of the distributor signals are connected respectively with the signal inputs and outputs of the first and second linear blocks and the first signal inputs and outputs of the first and second blocks of four endings, the fifth output of the distributor signals connected to the output of the negotiation-control unit, the second signal outputs of the first and second blocks chetyrehletnego end connected respectively to the second signal outputs of the second and first blocks wire end and the first and the second input unit receiving tone signals, the output of which is connected to the military control unit voice and item OR the output of which is connected to the control inputs of the amplifiers transmit and receive, the amplifier output transmission signal and the amplifier input connected to receive one of the outputs of the linear transformer, the other outputs are linear output linear array, the signal input of which is the signal input of the control unit voice, coupled with the signal input of the amplifier of the transmission signal output, the output of amplifier receiving, managing input second input of the OR element, and each block wire end includes serially connected first linear transformer, the first extension, the first switch and the amplifier, the output of which is connected to the outputs of the first low pass filter and high-pass filter, the output of which is the second signal output unit, the first signal output, which is the third output of the first switch and connected in series with the second switch, the second extension and the second transformer, the second output of the second switch is connected to the output of the adder, a first input connected to the output of the second lowpass filter, whose input is connected to the third output of the second switch and the first signal the second input of the adder and outputs the first and second linear transformers. C. the USSR N 1568267, CL H 04 Q 7/04, 1987). This device allows you to match the levels of resistance and features two two-wire line and a two channel tone frequency, with one control direction may be connected to the first channel of the tone frequency and the other to the second, and from both administrative stations are transmitted in the direction of two-wire lines, the control signals of the stationary radio stations.

However, when building extensive networks of repair and operational control communication must be matched to the same node more than two voice frequency channels, which cannot be achieved with known devices.

The objective of the proposed technical solution is to increase the number of mating channels to five, three of them administrative. The task is implemented by the introduction of the third block wire end and the first and second common elements OR connected correspondingly to the first and second blocks wire end to the first and second linear blocks and distributor of signals. In the device two-wire lines with four channels containing directional signals, first and second line of the social signals, the first, third and fourth inputs and outputs of the distributor signals respectively from the signal inputs and outputs of the first linear blocks and the first signal and outputs the outputs of the first and second blocks wire end, the fifth output of the distributor signals connected to the input of the negotiation-control unit, the second signal outputs of the first and second blocks wire end connected to the second signal inputs, respectively, of the second and first blocks wire end and the first and the second input unit receiving tone signals, the output of which is connected to the control inputs of the linear blocks, each linear unit made in the form of serially connected control unit voice and element OR the output of which is connected to the control amplifiers transmit and receive, and the amplifier output transmission signal and the amplifier input connected to receive one of the outputs of the linear transformer, other findings which are linear log linear array, the signal input of which is the signal input of the control unit voice connection with the signal input of the amplifier of the transmission signal output, the output of amplifier receiving and UPRAVLENIE United first linear transformer, the first extension, the first switch and the amplifier, the output of which is connected to the inputs of the first low pass filter and high-pass filter, the output of which is the second signal output unit, the first signal output, which is the third output of the first switch and connected in series with the second switch, the second extension and the second transformer, the second output of the second switch is connected to the output of the adder, a first input connected to the output of the second lowpass filter, the output of which is connected with the third output of the second switch and the first signal input unit wire end, a second signal input, line input and the output of which is, respectively, the second input of the adder and the output of the first and second linear transformers, entered the third block wire end and the first and second shared OR while negotiating control unit connected to the first signal input of the third block wire end, the first signal output and the output of the negotiation control unit via the second common element OR is connected to the fifth input of the distributor signals, the second with the second block wire terminations and the third input unit receiving tone signals, second signal outputs of the first and second blocks wire end connected respectively to the second and third signal inputs block wire end, the output unit receiving tone signals connected to the first input of the first common element OR, second, and third inputs of which are connected with the control outputs of the first second linear blocks, and the output of the first common element OR a control output devices, with each block wire end entered the third switch, the first output coupled to the output of the first filter low frequency, and the second with the third output of the first switch, the third input of the adder is the third signal input unit wire end, and managing the output of each linear array is the output of the control unit voice.

In addition, the block receiving tone signals in the particular case of its implementation contains connected in series adder and receiver the tone signal, the output of which is the output unit and receiving tone signals, first, second and third input which is the input of the adder.

In addition, the block receiving tone signals in another mator, a second receiver tone and the element OR the second input connected to the output of the first receiver tone signals, which input and the input of the adder are respectively the first, second and third inputs of the block receiving tone signals, the output of which is the output of the OR element.

In addition, the block receiving tone signalis in another particular case execution contains three receiver tone, the output of which is connected to the outputs of the adder, the output of which is input receivers tone.

All included in the device characteristics are well known, but their combination is new and unknown in the prior art.

In addition, each linear block of the control unit voice is prohibiting input connected to the output of the amplifier of the reception.

In Fig. 1 shows a structural-electrical diagram of the device of the pair of two-wire lines with four channels of Fig. 2-4 structural diagram showing different versions of the block receiving tone signals; Fig.5 variant linear array.

The device two-wire lines with four channels contains rasinari blocks 2, first, second and third blocks wire end 3, negotiation and control block 4, block reception tone 5, the output of which is connected to the first input of the first common element OR 6, the output of which is control the output device, the second common element OR 7, the first input connected to the output of the negotiation control unit 4. While the third and fourth inputs and outputs of the distributor signals 1 are connected respectively with the first signal outputs and inputs of the first and second blocks 3 wire end, and the fifth outlet valve signal 1 is connected to the output of the negotiation control unit 4 and the first signal input of the third block wire end 3, the first signal output through the second common element OR 7 is connected to the fifth input of the distributor signal is 1, the second signal outputs of the first, second and third blocks wire end 3 connected respectively with the first, the second and third inputs of the block receiving tones 5 and respectively with the second signal inputs and combined with the third signal inputs of the second and first blocks wire okonchania, second and third input of the first common is that United and connected with the first input of the first common element OR kazdy linear unit 2 includes a control unit 8 voice, which input is the signal input unit 2, and the output coupled to the output element OR 9 and is control the output unit 2, a control input connected to the second input of the OR element 9, the output of which is connected to the output of the amplifier receiving 10 and amplifier of the transmission 11,the output of which, as well as signal input amplifier receiving 10 is connected to one of the outputs of the linear transformer 12, other outputs which are linear input linear array 2, a signal output which is the output of the amplifier receiving 10.

Each block wire end 3 is connected in series to the first linear transformer 13, the first extension 14, the first switch 15 and the amplifier 16, the output of which is connected to the outputs of the high-pass filter 17 and the first low pass filter 18, the first signal input unit 3 is connected with the third output of the second switch 19, connected in series via a second extension 20 with the second linear transformer 21, and is connected to the output of the second lowpass filter 22, the output of which through the adder 23 is connected to the second output of the second switch 19, and the output of the first lowpass filter 18 through the third switch 24 is connected to the water which are respectively the second and third inputs of the adder 23.

The first option unit receiving tone 5 (Fig.2) contains the adder 25, the inputs of which are the first, second and third inputs of the block 5, and the output is connected to the output of the receiver tone 26 whose output is the output of block 5.

Block reception tone 5, a block diagram is shown in Fig.3, contains the adder 25, the first and second receivers tone 26.1 and 26.2, the outputs of which are connected to the input of the OR element 27 whose output is the output of block 5, the first, second and third inputs of which is, respectively, the input of the first receiver tone 26.1 and the inputs of the adder 25,the output of which is connected to the input of the second receiver tone 26.2.

The third option unit receiving tone signals 5 shown in Fig.4, includes first, second and third receivers, tone 26.1, 26.2 and 26.3, inputs which are input unit 5, and outputs connected to the output of the adder 25, the output of which is the output device.

In Fig.5 Dan embodiment of a linear array 2, in which the control unit 8 has a voice prohibiting input connected to the output of the amplifier receiving 10.

The device operates as about the so three administrative station (service sales, the way of power) connects to the first, second and third channels of the device, to the lines L1 and L2 which are connected fixed stations through which access to the radio channel. The management regime of stationary radio "Transmission/Reception" by using control signals representing first, dual-frequency tones with duration of 200 MS, sent from each administrative station before and after calling and speaking of the signals of the Manager, or, secondly, single-frequency tone 3300 Hz sent from each administrative station simultaneously with the ringing and conversational signals Manager outside of the frequency spectrum (300-3200 Hz).

In the first case, each block of four end of a jumper in the first 15 and second 19 switches between first and third in their conclusions, and in the second case, each block wire end set the jumpers in the first 15 and second 19 switches between the first and second in their conclusions, the third switch 24 between the first and second outputs.

Consider the operation of the device at the management regime would convinced of the vacancy from the negotiations, sends a signal to the selective connection of the respective fixed stations, which output respective administrative channel interface unit arrives at the inputs of the other channels and the input lines which are connected to the fixed stations. The audio signal path from the output of the selection channel to the inputs of other channels is the following: first linear transformer 13, the first extension 14 and the first switch 15 corresponding block wire end 3, the valve signal 1, and the second switch 19, the second extension 20 and the second linear transformer 21 other blocks wire endings 3. The audio signal path from the output channel located on the entrance lines of the following: the first linear transformer 13, the first extension 14 and the first switch 15 corresponding block wire base 3, the dispenser signals 1, power transmission 11, the turning on of actuated control unit 8 voice, through the element OR 9, and line transformer 12 each linear array 2. The call signal from administrative station connects the corresponding stationary radio station to Lila from administrative station, proceed to the modulation input fixed stations. At the end of speech signals control signal from administrative station translates the stationary radio station in 'Receive' mode, an air signal disables the stationary radio station from the line control units 8 voice returns to its original state, turn off the amplifiers of the transmission 11 and includes amplifiers receive 10 of each linear array 2. Managers administrative stations have the opportunity to listen to the call and conversational signals from the stationary radio stations. Communication between subscribers of fixed stations connected to different two-wire lines, there is also a simplex method, and from the signals of one line is activated, the control unit 8 voice of linear block 2 the other line. When the inversion signal of one line to the input of the own control unit 8 voice, for example, the result of a malfunction in the paths, the possible interrupt signal. To eliminate the above-mentioned interrupt the output of the amplifier receive 10 is connected to the locking control unit voice 8, (Fig.5), resulting in the appearance of signals in the line control unit 8 voice becomes insensitive to signals at its input. With control of the negotiating unit shall be sent via common element OR 7 of the control signal lines and communication channels, and on its passage to monitor the health of the paths.

Consider the operation of the device at the control modes of the stationary radio stations "radio Transmission/Reception using a single-frequency tone. The path of the speech signal from the output of the selection channel to the inputs of other channels is the following: first linear transformer 13, the first extension 14, the first switch 15, an amplifier 16, a first low pass filter 18, the third switch 24 corresponding block wire end 3, the valve signal 1, the second low pass filter 22, an adder 23, the second switch 19, the second extension 20 and the second linear transformer 21 is another block wire end 3. Single-frequency tone signal of the given channel with the output of the amplifier 16 through a high-pass filter 17 is supplied to the inputs of the adder 23 and then to the inputs of other channels. The path of the speech signal from the output of the selection channel to the inputs of the next line: the first line transformer 13, the first extension 14, the first switch 15, an amplifier 16, a first low pass filter 18, the third switch 24 corresponding block wire end 3, the distributor of the signal power of the transmission 11, enabled from actuated control unit voice is Alenia this channel the high-pass filter 17 is supplied to the corresponding input unit receiving tone 5, the output signal which includes power transmission 11 of each linear array 2 through the elements OR 9, and through the first common element OR 6 comes to managing output devices connected to the control unit DC stationary radio stations.

Block reception tone 5 can be performed with one (Fig.2), two (Fig.3) or three (Fig.4) receiver tone 26.

1. The device two-wire lines with four channels containing directional signals, the outputs of which are connected respectively with the signal inputs of the first and second linear nodes, with the first signal inputs of the first and second nodes of the wire end and to the input of the negotiation-control unit, and the inputs of the distributor signals are connected respectively with the signal outputs of the first and second linear nodes and with the first signal outputs of the first and second nodes of the wire end, and the second signal output of the first node wire end is connected to a second signal input of the second knot wire end and to the first input unit receiving tone signals, and the second signal output of stroncone and a second input unit receiving tone signals, the output of which is connected to control inputs of the first and second linear nodes, and first and second linear nodes are executed in the form of serially connected control unit and voice elements OR, the output of which is connected to control inputs of the amplifier transfer and amplifier reception signal input and the amplifier output transmission connected respectively with the first and second conclusions linear transformer, a third output which is a linear input linear node, the signal input of which is connected between a signal input of the control unit voice signal input of the amplifier transfer, managing input another input item (OR, and signal output, the signal output of the amplifier is receiving, and the first and second nodes of the wire end is made identical in the form of serially connected to the first extension, the first switch and amplifier, the output of which is connected to the inputs of the first low pass filter and high-pass filter, connected in series, a second low pass filter, an adder, the second switch and the second extension and the third switch, and the input of the second low pass filter connected to another output s input is a second input of the adder, and the first and second signal outputs are respectively different output of the first switch and the output of high-pass filter, characterized in that it introduced the third knot wire end is made identical to the first and second nodes of the wire end, and the first and second elements OR, at the entrance of the negotiation-a control unit connected to the first signal input of the third knot wire end, the first signal output which is the output of the negotiation control unit via the first element OR is connected to the additional input of the distributor signals, the second signal output of the third knot wire end connected to the third signal inputs of the first and second nodes of the wire end and the third input unit receiving a tone signal, the second signal output of the first node wire end is connected to a second signal input of the third knot wire end, the third signal input of which is connected to a second signal output, the second node wire end, the output unit receiving tone signals connected to the first input of the second element OR the second and third inputs of the And is the managing output devices, moreover, in each node the wire end of the entered first and second linear transformers, the output of the first linear transformer is connected to the input of the first extension, the input of the second linear transformer is connected to the output of the second extension, and a third switch connected between the output of the first lowpass filter and the third output of the first switch, and the third input of the adder is the third signal input node wire end line input and output of which are respectively input the first line of the transformer and the output of the second linear transformer, each linear node exit block voice control is a control output.

2. The device under item 1, characterized in that each linear node output amplifier connected to receive prohibiting entrance control unit voice.

 

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