SU1310273A1 - Telemechanic system with variable cycle and time-division multiplex for all-electric switches-and-signals interlocking - Google Patents

Description

The invention relates to railway transport and is intended to transmit information between the executive and executive stations of electrical interlocking, for example, transmitting control orders for opening a welcome signal, emergency transfer of an arrow or opening a route when a switch site is falsely applied to a remote centralized control facility.

The purpose of the invention is to increase the amount of information transmitted.

FIG. 1 shows the structural scheme of the executive post; in fig. 2 - the same executive position.

The device contains a clock generator 1, which controls the operation of the clock distributor 2, blocks 3 and 4 of order transmission and synchronization signals, the outputs of the checking test, the outputs of which are connected to the clock test relay 26, at the distribution station. Via contacts 26.1 of the clock test relay and contacts 24.1 of the group control

2 relays, the outputs of the first key elements 21 are connected to other inputs of the block 27 registration orders. The clock generator 28 is connected to the output of the block 13 of the reception of synchronization signals, and the output to the input of the clock distributor 14.

5 О The device operates as follows. Clock pulses from the output of the clock generator 1 are fed to one input of the distributor 2 and from the output of the clock generator 28 to the input of the distributor 14,

The valves are switched synchronously and in phase. Clock valves 2 and 14 have a number of cycles equal to the number of valve positions. Unit 4 generates a group signal, synchronization to communication line 5 and sets the clock distributor connected to communication line 5, group 20 liter 2 to its initial state, distributor 6, the first input of which is to the executive post group signal last output

connected to the last output of the clock distributor 2, and the third output is connected to the first input of the cyclic synchronization signal generation unit 7, the second input of which is connected to the clock output of the clock distributor 2, and the first output to the second input of the group distributor 6. The first outputs of the clock distributor 2 are connected to

25

The synchronization signal is sensed by block m. 13 and the clock state 28 and clock distributor 14 are reset to the initial state.

At the end of the group sync signal, the group distributors 6 and 15 switch to the next position, and key elements 10, 16 and 21 commute. Allowing or prohibiting the transmission of orders

the inputs of the contacts 8 of the control relays, the output at the control station and the receipt of orders

35

the moves of which are connected to the second inputs of the information detection unit 9. The first outputs of the group distributor 6 are connected to the first inputs of the key elements 10, the second inputs of which are connected to the information outputs of the information availability control units 9 and the outputs of the blocks AND formation of a test test. At the executive station, there are blocks 12 and 13 of receiving orders and synchronization signals, the inputs of which are connected to each other by line 5 of communication. Also, the last distributor 14 is connected to the first inputs of the group distributor 15 and the key elements 16, the other inputs of which are connected to the information outputs of the group distributor 15, the third output of which is connected to the first input of the frame synchronization signal 17, the output connected to the first the input of the unit 18 of the control phase, the output

45

and synchronization signals at the actuating station from this contact group of control relays. At the end of the status message, the group of contacts 8 is transmitted through two time channels to the test signal by means of a test test generation unit 11. In odd cycles of system operation, test pattern 01 is transmitted, and in even-numbered cycles - 10, then 01 again, and so on. Thus, the message about the state of contact group 8 of control relays consists of the corresponding code combination and test signal. At the end of the message, a group synchronization signal is transmitted, which is sensed by block 13, from the output of which the signal goes to the first inputs of group blocks 23 of the common-mode control, to the second inputs of which signals are received from the end of the cycle of the clock distributor 14 from the outputs of the second key elements 16.

Clock End Cycle Signal

which is connected to the control relay 19, the distributor cn appears at the output one pin 19.1 of which the output of the order receiving unit 12 is connected to the first inputs of the first key elements 20 and 21. The output of the synchronization signal receiving unit 13 is connected to the input of the pulse width selector 22 and the first inputs of group units 23 of control of in-phaseness, outputs connected to control relays 24, having contacts 24.1, blocks 25 of decrypted and second key elements of keys 16, which corresponds to the position of group distributor 15 at a given time.

During synchronous and in-phase operation of the distributors 2 and 14, for several cycles, the output of the block 23 generates a voltage sufficient to turn on the group control relays 24, the check test contours, the outputs of which are connected to the clock check relay 26. Via contacts 26.1 of the clock test relay and contacts 24.1 of the group control

relay, the outputs of the first key elements 21 are connected to other inputs of the block 27 registration orders. The clock generator 28 is connected to the output of the block 13 of the reception of synchronization signals, and the output to the input of the clock distributor 14.

The device works as follows. Clock pulses from the output of the clock generator 1 are fed to one input of the distributor 2 and from the output of the clock generator 28 to the input of the distributor 14,

valves are switched synchronously and in phase. Clock valves 2 and 14 have a number of cycles equal to the number of valve positions. Unit 4 generates a group signal, synchronization to communication line 5, and sets the clock distributor 2 to its initial state. At the executive post, the group signal

The synchronization signal is sensed by block m. 13 and the clock state 28 and clock distributor 14 are reset to the initial state.

At the end of the group sync signal, the group distributors 6 and 15 switch to the next position, and key elements 10, 16 and 21 commute. Allowing or prohibiting the transmission of orders

at the administrative post and taking orders

five

0

five

and synchronization signals at the actuating station from this contact group of control relays. At the end of the status message, the group of contacts 8 is transmitted through two time channels to the test signal by means of a test test generation unit 11. In odd cycles of system operation, test pattern 01 is transmitted, and in even-numbered cycles - 10, then 01 again, and so on. Thus, the message about the state of contact group 8 of control relays consists of the corresponding code combination and test signal. At the end of the message, a group synchronization signal is transmitted, which is sensed by block 13, from the output of which the signal goes to the first inputs of group blocks 23 of the phase control, to the second inputs of which signals are received from the end of the cycle of the clock distributor 14 from the outputs of the second key elements 16.

Clock End Cycle Signal

The distributor 14 appears at the output of one and second key elements of the keys 16, which corresponds to the position of the group distributor 15 at the given time.

During synchronous and in-phase operation of the distributors 2 and 14, for several cycles, the output of the block 23 generates a voltage sufficient to turn on the group control relays 24, the contacts 24.1 of which connect the outputs of the key elements 21 to the tester decryption blocks 25 test.

If the blocks of 25 g of the checking test are correctly perceived for several cycles of the system, they include group test relays 20, which connect the second inputs of order-registration blocks 27 to the outputs of receiving keys 21 with their contacts 26.1. The first inputs of blocks 27 are connected to the outputs of a clock distributor 14 for registering orders in a given time channel.

At regular (in each work cycle

In the group being polled, block 4 will form a synchronization group signal, and the valves 6 and 15 switch to the next position to poll another group of contacts, if there are no closed closing contacts, then the valves switch to the next position, and so on.

Claims (1)

Invention Formula Variable cycle telemechanics system with time division channels for electrical interlocking of arrows system) the flow of control signals and signals containing The call actuates the actuating relay, which is part of the corresponding order registration block 27. In the event of damage to the elements or termination of orders for several cycles of work a clock post connected by an output to one input of a clock distributor, which is connected by one group of outputs to the contacts of control relays, and by another group - to the system actuating relays of blocks 27 from -20 to the formation blocks moves their measurable test of the third test, and the third - to one entrance The group sync signal has a sync signaling block, the duration is equal to the time spent by one output of which and the output of the block of the throttling distributor in one position, and the frame synchronization signal has a duration of an integer number of times longer. The signal from the first output of the block 7 sets the group distributor 6 to the initial state and simultaneously from the second output through the block 4, the communication line 5, the block 13 arrives at the input of the duration selector 22, the output of which with some delay appears the signal setting the group the distributor 15 to its original state. At the same time, in the case of synchronous and in-phase operation of group distributors 6 and 15, signals are received from the outputs of the selector 22 of duration. And block 17 to the first and second inputs of block 18. If the cycle is regular for several cycles, the receipt of signals triggers monitoring 25 orders are connected to the inputs of the orders receiving blocks and synchronization signals of the executive post, and the other output of the synchronization signal transmission block is connected to the clock distributor clock input, the cyclic synchronization signals generating block set thirty 35 at the executive post, a clock distributor connected by one input to the output of a synchronization signal receiving unit, one group of outputs connected to the first inputs of order registration blocks, and another group of outputs to one input of a decryption check block whose outputs are connected to a test check relay, blocks the in-phase control, the outputs connected to the corresponding control relays, and the signal-shaping unit, the cyclic synchronized relay 19, and its contacts close the 40 then, with a view to increasing circuit receiving orders, thus connecting Cheney volume of information transmitted, it equipped with a group distributor installed at the control station, one input connected to the third group of clock distributor outputs, another 45 to one output of the frame synchronization signal generation unit, one input of which is connected to the first output of the group distributor and the other output to another the input blocks 9. At the end of the cycle of the clock clock of the synchronization signal transmission, the other distributor 2 on all outputs of the clock input is to the synchronization output of the clock distributor Signals “O and with an in-line distributor, blocks of at least one closed closing information availability, one input of the main contact signal“ 1 goes to the third one connected to the corresponding contacts of the input unit 4 of the synchronous relay control signals, other inputs - to the position, prohibiting the transmission of signals to the synchro-55 clock outputs of the group distribution for the time of transmission of information, and the third to the second outputs on the state of objects in this group. When the synchronization signal transmission unit has no closed closing contacts, the third input of which is connected to the output of the output of the block 12 to the first inputs of the key elements 21. At the end of the frame synchronization signal the system operation cycle will repeat. Thus, the system will work if in each group of contacts 8 of the control relays there is at least one closed closing contact. The presence of closed closing contacts is determined by the blots in the group being polled. Block 4 will form a group synchronization signal, and the distributors 6 and 15 switch to the next position to poll another group of contacts. If there are no closed closing contacts, then the distributors switch to the next position and etc. Invention Formula Variable cycle telemechanics system with time division channels for electrical interlocking of arrows and signals contained on a clock post connected by an output to one input of a clock distributor, which is connected by one group of outputs to the contacts of control relays, and by another group to the outputs of the shaping units of the testing unit 5 orders are connected to the inputs of the orders receiving blocks and synchronization signals of the executive post, and the other output of the synchronization signal transmission block is connected to the clock distributor clock input, the cyclic synchronization signals generating block set 0 at the executive post, a clock distributor connected by one input to the output of a synchronization signal receiving unit, one group of outputs connected to the first inputs of order registration blocks, and another group of outputs to one input of a decryption check block whose outputs are connected to a test check relay, blocks in-phase control, outputs connected to corresponding control relays, and cyclic synchronization signal shaping unit35 information control units, the key elements whose outputs are connected to the input of the order transfer unit, the first inputs to the clock outputs of the group distributor, and the second to the information outputs of the corresponding information availability control units and to the outputs of the corresponding checking test generation units, and at the executive post a group distributor, one input of which is connected to the third group of outputs of the clock distributor, and the output - to one input of the signal conditioning unit c Clove synchronization; the other input of which is connected to the synchronization output of the clock distributor, and the output to one input of the first in-phase control unit, a pulse duration selector, an output connected to other group inputs of the first distributor and the first in-phase control unit, and the input with the output of the synchronization signal receiving unit and with some inputs of other units, the control of the common-mode, key elements, the first of which are connected via the contact of the first control relay to the output of the order receiving unit, and the second - to the clock outputs of the group distributor, - and other key elements are connected by one input to the third output of the clock distributor, and others to the clock outputs of the group distributor, and the outputs The first key elements through the contacts of other control relays are connected to the control inputs of the verification test decryption unit and connected via the test relay contacts to the other inputs of the corresponding order recording units.