CN108657224A - Signal generator, signal generating method, signal generating equipment and computer program product - Google Patents
Signal generator, signal generating method, signal generating equipment and computer program product Download PDFInfo
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- CN108657224A CN108657224A CN201810431505.1A CN201810431505A CN108657224A CN 108657224 A CN108657224 A CN 108657224A CN 201810431505 A CN201810431505 A CN 201810431505A CN 108657224 A CN108657224 A CN 108657224A
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- frequency
- pulse signal
- shift
- shift signaling
- safety
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- 238000000034 method Methods 0.000 title claims description 19
- 238000004590 computer program Methods 0.000 title claims description 9
- 230000003321 amplification Effects 0.000 claims abstract description 27
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 27
- 230000011664 signaling Effects 0.000 claims description 199
- 238000001514 detection method Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 13
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 abstract 3
- 238000010278 pulse charging Methods 0.000 abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 238000013461 design Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 101150115554 AQY1 gene Proteins 0.000 description 6
- 101150059026 AQY2 gene Proteins 0.000 description 6
- 210000001367 artery Anatomy 0.000 description 6
- 210000003462 vein Anatomy 0.000 description 6
- 238000007689 inspection Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012550 audit Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/18—Railway track circuits
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a signal generator, which comprises a frequency shift signal generator, a frequency conversion unit and a frequency conversion unit, wherein the frequency shift signal generator is used for generating a frequency shift signal; the frequency shift signal is connected with the power amplification circuit through a frequency shift signal channel and amplified by the power amplification circuit; the pulse control source is connected with the high-voltage DC/DC power supply, and is simultaneously connected with the pulse charging and discharging circuit through a pulse signal channel, wherein the high-voltage DC/DC power supply provides power for the pulse charging and discharging circuit, and the pulse charging and discharging circuit generates a pulse signal; the safety AND gate drives and controls the frequency shift signal channel and the pulse signal channel, outputs and drives the sending alarm relay signal through the sending alarm relay signal channel, drives the frequency shift signal channel and the pulse signal channel through the safety AND gate if the sending alarm relay signal channel is detected to be in accordance with the safety output condition, and outputs and drives the sending alarm relay signal; and the control AND gate is used for controlling a signal channel of the driving sending alarm relay and opening the control AND gate to close a frequency shift signal channel and a pulse signal channel which are controlled by the safety AND gate.
Description
Technical field
The present invention relates to track circuit system signal generator technical fields, believe more particularly, to a kind of shift frequency pulse
Number transmitter and method, equipment and computer program product.
Background technology
With the fast development of railway construction, track circuit has been answered in China extensively as railway signal foundation safety equipment
With, track circuit is the circuit constituted as conductor using the rail of a section of railway track circuit, for it is automatic, continuously detect certain section of circuit and be
It is no to be occupied by rolling stock, to ensure the safety of driving.
Currently, the ZPW-2000A non-insulation move frequentlies track circuit system of Ministry of Railways's identification is large-scale in section at present
It promotes the use of.The transmitter of the system exports frequency-shift signaling by the way of power amplification.When the system promotes interior use of arriving at a station
When, there is the problem of switch section and throat section track circuit shunting badness, the reason is that frequency-shift signaling export to
The voltage of rail level is too low, is unable to reach breakdown rail surface voltage required when train shunt, and when train occupation can not achieve to track
The electric short circuit of circuit can not complete train occupation inspection, influence traffic safety, to limit the systematic difference range.
Track circuit shunting badness, but high-voltage pulse track circuit are generally solved the problems, such as using high-voltage pulse track circuit both at home and abroad at present
Lack the ability that cab signal is provided for train.
The shift frequency impulser output shift frequency and pulse signal that the prior art uses, by frequency-shift signaling and pulse letter
After number detection, control safety and door driving sends alarm relay FBJ, and shift frequency pulse signal, which passes through, sends alarm relay FBJ
Front nodal point export to rail.The functional block diagram of prior art shift frequency impulser is as shown in Figure 1.The shift frequency arteries and veins of the prior art
Rush the node control shift frequency output of pulse signal that transmitter relies on FBJ.The relay used due to the prior art is using weight
Power type relay or Europe superscript safety type relay, there are still certain node adhesion possibilities for such relay.Therefore due to hair
Alarm relay FBJ front nodal point adhesions are sent, there is a possibility that transmitter output error signal.
Since the frequency-shift signaling that shift frequency impulser is generated and sent is train travel order, train-installed reception rail
The frequency-shift signaling of transmission is demodulated to show that train order controls train operation；The receiver of track circuit is received to be passed by rail
Defeated shift frequency pulse signal realizes track section free time/occupancy inspection and Broken rail detection, forms the encoding strip of train travel order
One of part, therefore, the design of shift frequency impulser have to comply with " fail-safe " principle, i.e.,：When shift frequency impulser not
When meeting security information output, it is necessary to forbid the output of shift frequency pulse signal.
Therefore, it is necessary to a kind of technologies, the correct transmission to signal are realized, to control the safe operation of train.
Invention content
Technical solution of the present invention provides a kind of signal generator and signal generating method, to solve how normally to send letter
Number the problem of.
To solve the above-mentioned problems, the present invention provides a kind of signal generators, including：
First controller is connected with frequency-shift signaling generator, and first controller controls the frequency-shift signaling and occurs
Device generates frequency-shift signaling；
Frequency-shift signaling generator is connected by frequency-shift signaling channel with shift frequency power amplification circuit, the frequency-shift signaling
It is amplified by the shift frequency power amplification circuit；
Second controller is connect with high pressure DC/DC power supplys, while passing through pulse signal channel and pulse charge-discharge circuit phase
Connection, controls the high pressure DC/DC power supplys and provides power supply for the pulse charge-discharge circuit, control the pulse charge-discharge circuit
Generate pulse signal；
Safety and door control being opened or closed for the frequency-shift signaling channel and pulse signal channel, the safety with
Door sends alarm relay signal by sending alarm relay signal path output driving；
Detection unit, the first controller and second controller respectively examine the frequency-shift signaling and the pulse signal
It surveys, if it is detected that the frequency-shift signaling and the pulse signal meet Safety output condition, is driven by the safety and door output
It is dynamic to send alarm relay signal, alarm relay signal path is sent to the driving with door by control and is controlled, is opened
The control is opened to be closed to make the frequency-shift signaling channel and the pulse signal channel with gate by the safety with door, from
And export frequency-shift signaling and pulse signal；After the frequency-shift signaling and pulse signal superposition, by sending alarm relay
Node is exported to track.
Preferably, detection unit is detected the frequency-shift signaling and the pulse signal, if it is detected that the shift frequency
Signal and the pulse signal do not meet Safety output condition, close the safety and door, pass through the safety and gate institute
It states frequency-shift signaling channel and the pulse signal channel to close, forbids exporting frequency-shift signaling and pulse signal.
Preferably, the frequency-shift signaling channel includes two cascade optocouplers.
Preferably, the pulse signal channel includes two cascade optocouplers.
Preferably, it includes an optocoupler that the driving, which sends alarm relay signalling means channel,.
Based on another aspect of the present invention, a kind of signal generating method is provided, including：
Control and door are opened, and drives safety and door；
It is connected with frequency-shift signaling generator by the first controller, first controller controls the frequency-shift signaling hair
Raw device generates frequency-shift signaling；
The frequency-shift signaling generator is connected by frequency-shift signaling channel with shift frequency power amplification circuit, the shift frequency letter
Number process shift frequency power amplification circuit is amplified；
It is connect with high pressure DC/DC power supplys by second controller, while passing through pulse signal channel and pulse charge and discharge electricity
Road is connected, and controls the high pressure DC/DC power supplys and provides power supply for the pulse charge-discharge circuit, controls the pulse charge and discharge
Circuit evolving pulse signal；
Being opened or closed for the frequency-shift signaling channel and pulse signal channel is made by the safety and gate, described
Safety sends alarm relay signal with door output driving；
By the first controller and second controller of detection unit respectively to the frequency-shift signaling and the pulse signal
It is detected, if it is detected that the frequency-shift signaling and the pulse signal meet Safety output condition, passes through the safety and door
Output driving sends alarm relay signal, and sending alarm relay signal path to the driving with door by control controls
System opens the control with door to be closed by the safety and the gate system frequency-shift signaling channel and the pulse signal channel
Close, to export frequency-shift signaling and pulse signal, after the frequency-shift signaling and pulse signal superposition, by send alarm after
Electric appliance node is exported to track.
Preferably, further include：The frequency-shift signaling and the pulse signal are detected by detection module, if detection
Go out the frequency-shift signaling and the pulse signal does not meet Safety output condition, closes the safety and door, pass through the safety
The frequency-shift signaling channel is made with gate and the pulse signal channel is closed, and forbids exporting frequency-shift signaling and pulse signal.
Preferably, the frequency-shift signaling channel includes two cascade optocouplers.
Preferably, the pulse signal channel includes two cascade optocouplers.
Preferably, it includes an optocoupler that the driving, which sends alarm relay signalling means channel,.
Based on another aspect of the present invention, a kind of computer program product is provided, the computer program product includes using
In the code for executing following action：
Control and door are opened, and drives safety and door；
It is connected with frequency-shift signaling generator by the first controller, first controller controls the frequency-shift signaling hair
Raw device generates frequency-shift signaling；
The frequency-shift signaling generator is connected by frequency-shift signaling channel with shift frequency power amplification circuit, the shift frequency letter
Number process shift frequency power amplification circuit is amplified；
It is connect with high pressure DC/DC power supplys by second controller, while passing through pulse signal channel and pulse charge and discharge electricity
Road is connected, and controls the high pressure DC/DC power supplys and provides power supply for the pulse charge-discharge circuit, controls the pulse charge and discharge
Circuit evolving pulse signal；
Being opened or closed for the frequency-shift signaling channel and pulse signal channel is made by the safety and gate, described
Safety sends alarm relay signal with door output driving；
By the first controller and second controller of detection unit respectively to the frequency-shift signaling and the pulse signal
It is detected, if it is detected that the frequency-shift signaling and the pulse signal meet Safety output condition, passes through the safety and door
Output driving sends alarm relay signal, and sending alarm relay signal path to the driving with door by control controls
System opens the control with door to be closed by the safety and the gate system frequency-shift signaling channel and the pulse signal channel
Close, to export frequency-shift signaling and pulse signal, after the frequency-shift signaling and pulse signal superposition, by send alarm after
Electric appliance node is exported to track.
Based on another aspect of the present invention, a kind of signal generating apparatus is provided, the equipment includes：
For opening control and door, and drive the device of safety and door；
For being connected with frequency-shift signaling generator by the first controller, first controller controls the shift frequency letter
Number generator generates the device of frequency-shift signaling；
It is connected with shift frequency power amplification circuit by frequency-shift signaling channel for the frequency-shift signaling generator, the shifting
Frequency signal passes through the device that the shift frequency power amplification circuit is amplified；
For being connect with high pressure DC/DC power supplys by second controller, while passing through pulse signal channel and pulse charge and discharge
Circuit is connected, and controls the high pressure DC/DC power supplys and provides power supply for the pulse charge-discharge circuit, controls the pulse and fill
Discharge circuit generates the device of pulse signal；
For making being opened or closed for the frequency-shift signaling channel and pulse signal channel by the safety and gate,
The safety sends the device of alarm relay signal with door output driving；
For the first controller and second controller by detection unit respectively to the frequency-shift signaling and the pulse
Signal is detected, if it is detected that the frequency-shift signaling and the pulse signal meet Safety output condition, passes through the safety
With door output driving send alarm relay signal, by control with door to the driving transmission alarm relay signal path into
Row control, the unlatching control is with door with logical by the safety and the gate system frequency-shift signaling channel and the pulse signal
Road is closed, and to export frequency-shift signaling and pulse signal, after the frequency-shift signaling and the pulse signal are superimposed, are passed through to send and be reported
Alert relay node is exported to the device of track.
The signal generator that technical scheme proposes increases frequency-shift signaling channel and pulse signal channel, shift frequency letter
The opening and closing in number channel and pulse signal channel are controlled by safety and door output.When detection frequency-shift signaling and pulse signal
When meeting Safety output condition, transmitter drives safety to send alarm relay signal with door output driving, and safety is exported with door
It controls frequency-shift signaling channel and pulse signal channel to open, frequency-shift signaling and pulse signal is made to pass through its signal path through shift frequency arteries and veins
It is exported to rail after rushing Signal averaging；When detecting that frequency-shift signaling and pulse signal do not meet Safety output condition, transmitter
Closed safe is exported with door, is exported with door due to closing safety, and frequency-shift signaling channel and pulse signal channel are also turned off, with
Realize the output for forbidding shift frequency pulse signal.The technical solution of the application, when sending, alarm relay FBJ generation front nodal points are viscous
Even, transmitter will not still export shift frequency pulse signal, even if occurring to send alarm relay FBJ front nodal point adhesions, the application skill
The shift frequency pulse signal transmitter of art scheme still can forbid the shift frequency pulse signal of output error, be set with meeting fail-safe
Count principle.
Description of the drawings
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by：
Fig. 1 is the structural schematic diagram of prior art shift frequency impulser；
Fig. 2 is the structural schematic diagram according to the transmitter of embodiment of the present invention；
Fig. 3 is the signal path theory structure schematic diagram according to embodiment of the present invention；
Fig. 4 is the channels the transmission alarm relay FBJ principle schematic according to embodiment of the present invention；And
Fig. 5 is according to embodiment of the present invention signaling method flow chart.
Specific implementation mode
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be to disclose at large and fully
The present invention, and fully convey the scope of the present invention to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon is remembered.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related field has consistent meaning, and is not construed as Utopian or too formal meaning.
Fig. 1 is the structural schematic diagram of prior art shift frequency impulser.As shown in Figure 1, existing shift frequency pulse is sent
Device exports shift frequency and pulse signal, and after to frequency-shift signaling and pulse signal detection, control safety sends alarm with door driving
Relay FBJ, shift frequency pulse signal are exported by sending the front nodal point of alarm relay FBJ to rail.Wherein, frequency-shift signaling and
The effect of pulse signal is different, and frequency-shift signaling has rail broken rail, track lead continuity test function, i.e., disconnected in rail
When rail or track lead break, which can make by driving track relay so that at the rail of respective section
In seizure condition；And frequency-shift signaling has the function that information is transmitted to mobile unit.Pulse signal branch can occur in rail
When bad and element branches wire jumper in parallel breaks, check that the rail of respective section is in idle condition still seizure condition；And
Pulse signal has damage in insulation audit function, i.e., when damage in insulation occurs in rail, track circuit can be by driving track
Relay makes respective section rail be in seizure condition；And frequency-shift signaling and pulse signal can be in positive reason in rail
Under condition, detection respective section rail is in seizure condition or idle state.Existing shift frequency impulser is alarmed by transmission
The node control shift frequency output of pulse signal of relay FBJ.Due to the existing relay used using gravity-type relay or
Europe superscript safety type relay, there are still certain node adhesion possibilities for such relay.Therefore due to sending alarm relay
FBJ front nodal point adhesions there is a possibility that transmitter output error signal.
Since the frequency-shift signaling that shift frequency impulser is generated and sent is train travel order, train-installed reception rail
The frequency-shift signaling of transmission is demodulated to show that train order controls train operation；The receiver of track circuit is received to be passed by rail
Defeated shift frequency pulse signal realizes track section free time/occupancy inspection and Broken rail detection, forms the encoding strip of train travel order
One of part, therefore, the design of shift frequency impulser have to comply with " fail-safe " principle, i.e.,：When shift frequency impulser not
When meeting security information output, it is necessary to forbid the output of shift frequency pulse signal.
Fig. 2 is the structural schematic diagram according to the transmitter of embodiment of the present invention.One kind that embodiment of the present invention provides
Shift frequency pulse signal transmitter is to increase frequency-shift signaling channel and arteries and veins on the basis of existing shift frequency impulser principle designs
Signal path is rushed, opening and being closed for channel is made by safety and gate.Safety sends alarm relay with door output driving simultaneously
Increase on the path of device FBJ and send the channels alarm relay FBJ, and is controlled with door 3 by controlling.The letter of presently filed embodiment
Number generator, when detecting frequency-shift signaling and pulse signal meets Safety output condition, transmitter drives safety to be driven with door output
Dynamic to send alarm relay signal, safety is opened with door output control frequency-shift signaling channel and pulse signal channel, and shift frequency is made to believe
Number and pulse signal by its signal path after the superposition of shift frequency pulse signal output to rail；When detecting frequency-shift signaling and arteries and veins
When rushing signal and not meeting Safety output condition, transmitter closed safe is exported with door, is exported with door due to closing safety, shift frequency
Signal path and pulse signal channel are also turned off, to realize the output for forbidding shift frequency pulse signal.The technical solution of the application,
Front nodal point adhesion occurs when sending alarm relay FBJ, transmitter will not still export shift frequency pulse signal, even if occur alarm after
Electric appliance FBJ front nodal point adhesions, the shift frequency pulse signal transmitter of technical scheme still can forbid the shift frequency of output error
Pulse signal, to meet fail-safe design principle.As shown in Fig. 2, a kind of signal generator, including：
First controller is connected with frequency-shift signaling generator, and the first controller controls frequency-shift signaling generator and generates shifting
Frequency signal.First controller is controller 1 shown in Fig. 2.
Frequency-shift signaling generator is connected by frequency-shift signaling channel with shift frequency power amplification circuit, and frequency-shift signaling passes through
Shift frequency power amplification circuit is amplified.
Second controller is connect with high pressure DC/DC power supplys, while passing through pulse signal channel and pulse charge-discharge circuit phase
Connection, control high pressure DC/DC power supplys provide power supply for pulse charge-discharge circuit, and control pulse charge-discharge circuit generates pulse letter
Number.Second controller is controller 2 shown in Fig. 2.
Safety and door, control frequency-shift signaling channel and pulse signal channel are opened or closed, and pass through hair in safety and door
Alert relay signal channel output driving of delivering newspaper sends alarm relay signal；
Detection unit, the first controller and second controller are respectively detected frequency-shift signaling and pulse signal, if inspection
It measures frequency-shift signaling and pulse signal meets Safety output condition, alarm relay letter is sent by safety and door output driving
Number, alarm relay signal path is sent to driving with door by control and is controlled, open control and door with by safety and
Gate frequency-shift signaling channel processed and pulse signal channel are closed, to export frequency-shift signaling and pulse signal.Frequency-shift signaling and arteries and veins
After rushing Signal averaging, exported to track by sending alarm relay node.Second controller is controller 2 shown in Fig. 2.
Preferably, detection unit is detected frequency-shift signaling and pulse signal, if it is detected that frequency-shift signaling and pulse letter
Number Safety output condition, closed safe and door are not met, passes through safety and gate frequency-shift signaling channel and pulse signal channel
It closes, forbids exporting frequency-shift signaling and pulse signal.
Presently filed embodiment, when occurring to send alarm relay FBJ generation front nodal point adhesions, transmitter still will not be defeated
Go out shift frequency pulse signal, even if occurring to send alarm relay FBJ front nodal point adhesions, the shift frequency pulse letter of the application embodiment
Number transmitter still can forbid the shift frequency pulse signal of output error, to meet fail-safe design principle.
Preferably, frequency-shift signaling channel includes two cascade optocouplers.
Preferably, pulse signal channel includes two cascade optocouplers.
Fig. 3 is the signal path theory structure schematic diagram according to embodiment of the present invention.As shown in figure 3, signal path by
Two optocoupler cascades are realized.AQY1+, AQY1- are optocoupler working power, are controlled by safety and door output.When safety and door export
When, control AQY1+, AQY1- output provides the power supply for meeting optocoupler work, and signal is inputted from 1 foot of first order optocoupler, by two
After a optocoupler, exported by 3 foot of second level optocoupler.When safety and door are closed, the output of AQY1+, AQY1- power supply is 0V, causes light
Coupling is closed without working power, thus signal path, and signal cannot pass through optocoupler output.
Preferably, it includes an optocoupler that driving, which sends alarm relay signalling means channel,.
Fig. 4 is the channels the transmission alarm relay FBJ principle schematic according to embodiment of the present invention.
The channels alarm relay FBJ are sent to realize by an optocoupler.AQY2+, AQY2- are optocoupler working power, by pacifying
Quan Yumen output controls.When safety and door export, control AQY2+, AQY2- output provide power supply for optocoupler work.Work as transmission
When alarm relay FBJ control signals are low level, the conducting of optocoupler secondary provides current potential to triode ground level, causes driving FBJ lines
Enclose circuit turn-on：AQY2+ → FBJ+ → FBJ coils → FBJ- →-the poles the triode C → poles triode E → AQY2- sends alarm
Relay FBJ is picked up.It is high level or closed safe and door when sending alarm relay FBJ control signals, sends alarm relay
Device FBJ accesses are turned off.
Fig. 5 is according to embodiment of the present invention signaling method flow chart.The application embodiment provides a kind of signal
Sending method is that increase frequency-shift signaling channel and pulse signal are logical on the basis of existing shift frequency impulser principle designs
Road, opening and being closed for channel are made by safety and gate.Safety sends the road of alarm relay FBJ with door output driving simultaneously
Increase on diameter and send the channels alarm relay FBJ, and is controlled with door 3 by controlling.The application embodiment passes through safe shift frequency arteries and veins
It rushes transmitter to be detected frequency-shift signaling and pulse signal, when it does not meet Safety output testing conditions, by safety and door
The frequency-shift signaling channel of control and pulse signal channel are closed, and shift frequency output of pulse signal is forbidden, and into secure side, realize essence
The purpose of safety；Frequency-shift signaling and pulse signal are detected when by safe shift frequency impulser, when it meets safety
When exporting testing conditions, driving safety opens control and door 3 with door, allows shift frequency output of pulse signal.As shown in figure 5, a kind of
Signal generating method 500 includes：
Control and door 3 are opened, and drives safety and door；
It is connected with frequency-shift signaling generator by the first controller, the first controller controls frequency-shift signaling generator and generates
Frequency-shift signaling；
Frequency-shift signaling generator is connected by frequency-shift signaling channel with shift frequency power amplification circuit, and frequency-shift signaling is by moving
Frequency power amplification circuit is amplified；
It is connect with high pressure DC/DC power supplys by second controller, while passing through pulse signal channel and pulse charge and discharge electricity
Road is connected, and control high pressure DC/DC power supplys provide power supply for pulse charge-discharge circuit, and control pulse charge-discharge circuit generates pulse
Signal；
By safety with gate being opened or closed for frequency-shift signaling channel processed and pulse signal channel, exported in safety and door
Driving sends alarm relay signal；
Frequency-shift signaling and pulse signal are detected respectively by the first controller and second controller of detection unit,
If it is detected that frequency-shift signaling and pulse signal meet Safety output condition, alarm relay is sent by safety and door output driving
Signal sends alarm relay signal path by 3 pairs of drivings of control and door and controls, opens control with door 3 to pass through peace
It is closed entirely with gate frequency-shift signaling channel and pulse signal channel, to export frequency-shift signaling and pulse signal, frequency-shift signaling
After being superimposed with pulse signal, exported to track by sending alarm relay node.
Preferably, method 500 further includes：Frequency-shift signaling and pulse signal are detected by detection module, if detection
Go out frequency-shift signaling and pulse signal does not meet Safety output condition, closed safe and door, passes through safety and gate frequency-shift signaling
Channel and pulse signal channel are closed, and forbid exporting frequency-shift signaling and pulse signal, into secure side.
Preferably, frequency-shift signaling channel includes two cascade optocouplers, and pulse signal channel includes two cascade optocouplers.
Signal path is realized by two optocoupler cascades.AQY1+, AQY1- are optocoupler working power, are controlled by safety and door output
System.When safety and door export, control AQY1+, AQY1- output provides the power supply for meeting optocoupler work, and signal is from first order light
1 foot of coupling inputs, and after two optocouplers, is exported by 3 foot of second level optocoupler.When safety and door are closed, AQY1+, AQY1- electricity
Source output is 0V, causes optocoupler without working power, and thus signal path is closed, and signal cannot pass through optocoupler output.Preferably,
It includes an optocoupler that driving, which sends alarm relay signalling means channel,.
The channels alarm relay FBJ are sent to realize by an optocoupler.AQY2+, AQY2- are optocoupler working power, by pacifying
Quan Yumen output controls.When safety and door export, control AQY2+, AQY2- output provide power supply for optocoupler work.Work as transmission
When alarm relay FBJ control signals are low level, the conducting of optocoupler secondary provides current potential to triode ground level, driving is caused to send
Alarm relay FBJ coil circuits are connected：AQY2+ → FBJ+ → FBJ coils → FBJ- →-the poles triode C → poles triode E →
AQY2- sends alarm relay FBJ and picks up.When send alarm relay FBJ control signals be high level or closed safe with
Door sends alarm relay FBJ accesses and is turned off.
When sending alarm relay FBJ front nodal point adhesion occurs for the technical solution of the application, and transmitter will not still export shifting
Frequency pulse signal, even if alarm relay FBJ front nodal point adhesions, the shift frequency pulse signal transmitter of technical scheme occurs
Still the shift frequency pulse signal that can forbid output error, to meet fail-safe design principle.
Based on another embodiment of the present invention, a kind of computer program product is provided, computer program product includes using
In the code for executing following action：
Control and door are opened, and drives safety and door；
It is connected with frequency-shift signaling generator by the first controller, the first controller controls frequency-shift signaling generator and generates
Frequency-shift signaling；
Frequency-shift signaling generator is connected by frequency-shift signaling channel with shift frequency power amplification circuit, and frequency-shift signaling is by moving
Frequency power amplification circuit is amplified；
It is connect with high pressure DC/DC power supplys by second controller, while passing through pulse signal channel and pulse charge and discharge electricity
Road is connected, and control high pressure DC/DC power supplys provide power supply for pulse charge-discharge circuit, and control pulse charge-discharge circuit generates pulse
Signal；
By safety with gate being opened or closed for frequency-shift signaling channel processed and pulse signal channel, exported in safety and door
Driving sends alarm relay signal；
Frequency-shift signaling and pulse signal are detected respectively by the first controller and second controller of detection unit,
If it is detected that frequency-shift signaling and pulse signal meet Safety output condition, alarm relay is sent by safety and door output driving
Signal sends alarm relay signal path to driving with door by control and controls, opens control with door to pass through safety
Be closed with gate frequency-shift signaling channel and pulse signal channel, to export frequency-shift signaling and pulse signal, frequency-shift signaling and
After pulse signal superposition, exported to track by sending alarm relay node.
Based on another embodiment of the present invention, a kind of signal generating apparatus is provided, equipment includes：
For opening control and door, and drive the device of safety and door；
For being connected with frequency-shift signaling generator by the first controller, the first controller controls frequency-shift signaling generator
Generate the device of frequency-shift signaling；
It is connected with shift frequency power amplification circuit by frequency-shift signaling channel for frequency-shift signaling generator, frequency-shift signaling warp
Cross the device that shift frequency power amplification circuit is amplified；
For being connect with high pressure DC/DC power supplys by second controller, while passing through pulse signal channel and pulse charge and discharge
Circuit is connected, and control high pressure DC/DC power supplys provide power supply for pulse charge-discharge circuit, and control pulse charge-discharge circuit generates
The device of pulse signal；
For by safety with gate being opened or closed for frequency-shift signaling channel processed and pulse signal channel, in safety and door
Output driving sends the device of alarm relay signal；
Frequency-shift signaling and pulse signal are carried out respectively for the first controller and second controller by detection unit
Detection is sent by safety and door output driving and is alarmed if it is detected that frequency-shift signaling and pulse signal meet Safety output condition
Relay signal sends alarm relay signal path to driving with door by control and controls, opens control and Men Yitong
It crosses safety to be closed with gate frequency-shift signaling channel and pulse signal channel, to export frequency-shift signaling and pulse signal, shift frequency
After signal and pulse signal superposition, exported to the device of track by sending alarm relay node.
The present invention is described by reference to a small amount of embodiment.However, it is known in those skilled in the art, as
Defined by subsidiary Patent right requirement, in addition to the present invention other embodiments disclosed above are equally fallen the present invention's
In range.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
It releases, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground
It is construed at least one of described device, component etc. example, unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate sequence, unless explicitly stated otherwise.
Claims (12)
1. a kind of signal generator, including：
First controller is connected with frequency-shift signaling generator, and first controller controls the frequency-shift signaling generator life
At frequency-shift signaling；
Frequency-shift signaling generator is connected by frequency-shift signaling channel with shift frequency power amplification circuit, and the frequency-shift signaling passes through
The shift frequency power amplification circuit is amplified；
Second controller is connect with high pressure DC/DC power supplys, while being connected with pulse charge-discharge circuit by pulse signal channel
It connects, controls the high pressure DC/DC power supplys and provide power supply for the pulse charge-discharge circuit, control the pulse charge-discharge circuit life
At pulse signal；
Safety and door control being opened or closed for the frequency-shift signaling channel and pulse signal channel, logical in the safety and door
It crosses transmission alarm relay signal path output driving and sends alarm relay signal；
Detection unit, the first controller and second controller are respectively detected the frequency-shift signaling and the pulse signal,
If it is detected that the frequency-shift signaling and the pulse signal meet Safety output condition, sent out by the safety and door output driving
It delivers newspaper alert relay signal, driving transmission alarm relay signal path is controlled with door by control, unlatching institute
Control is stated with door to make the frequency-shift signaling channel and pulse signal channel closure by the safety and gate, to defeated
Go out frequency-shift signaling and pulse signal；After the frequency-shift signaling and pulse signal superposition, by sending alarm relay node
It exports to track.
2. generator according to claim 1, detection unit is detected the frequency-shift signaling and the pulse signal,
If it is detected that the frequency-shift signaling and the pulse signal do not meet Safety output condition, the safety and door are closed, passes through institute
It states safety and makes the frequency-shift signaling channel and pulse signal channel closing with gate, forbid exporting frequency-shift signaling and pulse letter
Number.
3. generator according to claim 1, the frequency-shift signaling channel includes two cascade optocouplers.
4. generator according to claim 1, the pulse signal channel includes two cascade optocouplers.
5. generator according to claim 1, it includes an optocoupler that the driving, which sends alarm relay signalling means channel,.
6. a kind of signal generating method, including：
Control and door are opened, and drives safety and door；
It is connected with frequency-shift signaling generator by the first controller, first controller controls the frequency-shift signaling generator
Generate frequency-shift signaling；
The frequency-shift signaling generator is connected by frequency-shift signaling channel with shift frequency power amplification circuit, the frequency-shift signaling warp
The shift frequency power amplification circuit is crossed to be amplified；
It is connect with high pressure DC/DC power supplys by second controller, while passing through pulse signal channel and pulse charge-discharge circuit phase
Connection, controls the high pressure DC/DC power supplys and provides power supply for the pulse charge-discharge circuit, control the pulse charge-discharge circuit
Generate pulse signal；
Being opened or closed for the frequency-shift signaling channel and pulse signal channel is made by the safety and gate, in the safety
Alarm relay signal is sent with door output driving；
The frequency-shift signaling and the pulse signal are carried out respectively by the first controller and second controller of detection unit
Detection is exported if it is detected that the frequency-shift signaling and the pulse signal meet Safety output condition by the safety and door
Driving sends alarm relay signal, and sending alarm relay signal path to the driving with door by control controls,
The control is opened to be closed to make the frequency-shift signaling channel and the pulse signal channel with gate by the safety with door,
To export frequency-shift signaling and pulse signal, after the frequency-shift signaling and the pulse signal are superimposed, pass through transmission alarm relay
Device node is exported to track.
7. according to the method described in claim 6, further including：By detection module to the frequency-shift signaling and the pulse signal
Be detected, if it is detected that the frequency-shift signaling and the pulse signal do not meet Safety output condition, close the safety with
Door makes the frequency-shift signaling channel with gate by the safety and the pulse signal channel is closed, and forbids exporting shift frequency letter
Number and pulse signal.
8. according to the method described in claim 6, the frequency-shift signaling channel includes two cascade optocouplers.
9. according to the method described in claim 6, the pulse signal channel includes two cascade optocouplers.
10. according to the method described in claim 6, it includes an optocoupler that the driving, which sends alarm relay signalling means channel,.
11. a kind of computer program product, the computer program product includes for executing the code acted below：
Control and door are opened, and drives safety and door；
It is connected with frequency-shift signaling generator by the first controller, first controller controls the frequency-shift signaling generator
Generate frequency-shift signaling；
The frequency-shift signaling generator is connected by frequency-shift signaling channel with shift frequency power amplification circuit, the frequency-shift signaling warp
The shift frequency power amplification circuit is crossed to be amplified；
It is connect with high pressure DC/DC power supplys by second controller, while passing through pulse signal channel and pulse charge-discharge circuit phase
Connection, controls the high pressure DC/DC power supplys and provides power supply for the pulse charge-discharge circuit, control the pulse charge-discharge circuit
Generate pulse signal；
Being opened or closed for the frequency-shift signaling channel and pulse signal channel is made by the safety and gate, in the safety
Alarm relay signal is sent with door output driving；
The frequency-shift signaling and the pulse signal are carried out respectively by the first controller and second controller of detection unit
Detection is exported if it is detected that the frequency-shift signaling and the pulse signal meet Safety output condition by the safety and door
Driving sends alarm relay signal, and sending alarm relay signal path to the driving with door by control controls,
The control is opened to be closed to make the frequency-shift signaling channel and the pulse signal channel with gate by the safety with door,
To export frequency-shift signaling and pulse signal, after the frequency-shift signaling and the pulse signal are superimposed, pass through transmission alarm relay
Device node is exported to track.
12. a kind of signal generating apparatus, the equipment include：
For opening control and door, and drive the device of safety and door；
For being connected with frequency-shift signaling generator by the first controller, first controller controls the frequency-shift signaling hair
Raw device generates the device of frequency-shift signaling；
It is connected with shift frequency power amplification circuit by frequency-shift signaling channel for the frequency-shift signaling generator, the shift frequency letter
The device that number process shift frequency power amplification circuit is amplified；
For being connect with high pressure DC/DC power supplys by second controller, while passing through pulse signal channel and pulse charge and discharge electricity
Road is connected, and controls the high pressure DC/DC power supplys and provides power supply for the pulse charge-discharge circuit, controls the pulse charge and discharge
The device of circuit evolving pulse signal；
For making being opened or closed for the frequency-shift signaling channel and pulse signal channel by the safety and gate, described
Safety sends the device of alarm relay signal with door output driving；
For the first controller and second controller by detection unit respectively to the frequency-shift signaling and the pulse signal
It is detected, if it is detected that the frequency-shift signaling and the pulse signal meet Safety output condition, passes through the safety and door
Output driving sends alarm relay signal, and sending alarm relay signal path to the driving with door by control controls
System opens the control with door to be closed by the safety and the gate system frequency-shift signaling channel and the pulse signal channel
Close, to export frequency-shift signaling and pulse signal, after the frequency-shift signaling and pulse signal superposition, by send alarm after
Electric appliance node is exported to the device of track.
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| CN201810431505.1A CN108657224B (en) | 2018-05-08 | 2018-05-08 | Signal generator, signal generating method, signal generating equipment and computer program product |
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| CN201810431505.1A CN108657224B (en) | 2018-05-08 | 2018-05-08 | Signal generator, signal generating method, signal generating equipment and computer program product |
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| CN105774843A (en) * | 2016-05-24 | 2016-07-20 | 固安信通信号技术股份有限公司 | Track pulse emitter |
| CN105799735A (en) * | 2016-05-19 | 2016-07-27 | 北京全路通信信号研究设计院集团有限公司 | Track circuit transmitter and fault guiding safety implementation method |
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| CN101722968A (en) * | 2009-11-20 | 2010-06-09 | 固安信通铁路信号器材有限责任公司 | Method for transmitting signal by uninsulated railway and signal transmitter |
| CN103107817A (en) * | 2013-01-16 | 2013-05-15 | 北京全路通信信号研究设计院有限公司 | Mixed signal transmitter of pulse signal and frequency-shift signal |
| US20150172090A1 (en) * | 2013-12-13 | 2015-06-18 | Xetawave Llc | System and Method for Digital Sideband Mitigation: Advanced Modulation in a Narrow Bandwidth RF Channel |
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| Publication number | Publication date |
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| CN108657224B (en) | 2020-12-22 |
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