CN210405743U - Railway color lamp lighting unit - Google Patents
Railway color lamp lighting unit Download PDFInfo
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- CN210405743U CN210405743U CN201921470735.5U CN201921470735U CN210405743U CN 210405743 U CN210405743 U CN 210405743U CN 201921470735 U CN201921470735 U CN 201921470735U CN 210405743 U CN210405743 U CN 210405743U
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Abstract
The utility model discloses a railway color lamp lighting unit, which comprises a lighting transformer, a filament conversion module, a processing control module, an alarm output module, a detection module and an interface circuit, wherein a main coil of the lighting transformer is connected with a power supply, an auxiliary coil is connected to the processing control module through the filament conversion module, and a filament voltage output end of the filament conversion module is connected to a signal lamp through the interface circuit; the alarm output end of the processing control module is connected with the alarm output module, and the alarm output module is connected to the filament breakage alarm positioning device through the interface circuit; the processing control module is in bidirectional signal transmission connection with the detection module, and the signal input end of the detection module receives the alarm bus state signal. The utility model discloses can send alarm information to the unit of lighting a lamp of the disconnected silk warning positioner of filament in proper order when a plurality of signal lamps are disconnected simultaneously, correct discernment alarm information shows fault signal lamp department's teleseme name and lamp position.
Description
Technical Field
The utility model relates to a control technique of lighting a lamp of railway signal lamp specifically is a unit is lighted a lamp to railway color lamp.
Background
The signal machines in the general speed railway section, the station and the high speed railway passenger special line station all need a lighting unit when in use, and the lighting unit provides main and auxiliary wire power sources for signal bulbs in the signal machines. The signal bulb is internally provided with a main wire and an auxiliary wire, and when the signal bulb is normal, the lighting unit outputs main wire voltage to light the main wire of the signal bulb; when the main filament is broken, the lighting unit outputs the voltage of the auxiliary filament to light the auxiliary filament of the signal bulb; when the main and auxiliary wires of the signal bulb are all broken, the signal machine can not be normally lighted, and the driving can be influenced. Therefore, when the signal bulb is broken, it is important to know the position of the fault signal bulb quickly and accurately, so that maintenance personnel can quickly replace the fault signal bulb.
There are two kinds of units of lighting a lamp in the existing market, one kind is the unit of lighting a lamp that does not take the disconnected silk warning locate function of filament, another kind is the unit of lighting a lamp that takes the disconnected silk warning locate function of filament, and the unit of lighting a lamp that takes the disconnected silk warning locate function of filament is when a signal bulb trouble, can normally report to the police, and when a plurality of signal bulbs appear disconnected silk simultaneously, will send alarm information to room filament disconnection warning locate device simultaneously, cause alarm information to mix together, make the alarm switchboard unable distinguish alarm information or wrong discernment alarm information, can not correctly show the signal machine name and the lamp position that the fault signal lamp locates, maintainer can not quick replacement fault signal bulb, influence the driving a vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a railway color light lighting unit can not correctly display the name of the signal machine where the fault signal lamp is located and the lamp position thereof and the like, and the utility model provides a railway color light lighting unit which can correctly identify alarm information and correctly display the name of the signal machine where the fault signal lamp is located and the lamp position thereof.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model relates to a railway color lamp lighting unit, including lighting transformer, filament conversion module, processing control module, alarm output module, detection module and interface circuit, wherein the main coil of lighting transformer inserts the power, and the secondary coil is connected to processing control module through filament conversion module, and the filament voltage output end of filament conversion module is connected to the signal lamp through interface circuit; the alarm output end of the processing control module is connected with the alarm output module, and the alarm output module is connected to the filament breakage alarm positioning device through the interface circuit; the processing control module is in bidirectional signal transmission connection with the detection module, and the signal input end of the detection module receives the alarm bus state signal.
The detection module comprises a first optical coupler, a second optical coupler, a first capacitor and a triode, wherein one end of the capacitor is connected to the high potential of the alarm bus through the second optical coupler, the other end of the capacitor is connected with the base electrode of the triode, the collector electrode of the triode is connected to the high potential of the alarm bus through the second optical coupler, and the emitter electrode of the triode is connected to the low potential of the alarm bus through the first optical coupler.
The detection module is also provided with a first diode, a second diode, a third diode and a low potential, wherein the fourth diode is connected to two sides of the output end of a switching tube of the second optocoupler, the second diode is connected to two ends of a light emitting tube of the first optocoupler, the third diode is connected between a collector and an emitter of the triode, and a base of the triode is connected to the low potential of the alarm bus through a resistor and the first diode.
The filament conversion module comprises a filament conversion transformer, fifth to sixth diodes, a second resistor, a sixth resistor, a second capacitor and a controlled silicon, wherein the second resistor and the sixth resistor are connected in series; the secondary coil of the filament conversion transformer is connected with the sixth resistor in parallel, one end of the main coil of the filament conversion transformer is a main filament output port of the signal bulb, and the other end of the main coil is connected with one main end of the silicon controlled rectifier and is connected to a filament voltage regulation output port; the other main end of the controllable silicon is an output port of the auxiliary wire of the signal bulb, and a gate pole of the controllable silicon obtains gate pole trigger voltage from the two ends of the sixth resistor to generate gate pole trigger current.
A tenth resistor is connected in series between one end of the secondary coil of the filament conversion transformer and the main filament of the signal bulb.
The railway color lamp lighting units are of the same structure, and each railway color lamp lighting unit is connected with a filament breakage alarm positioning device through an alarm bus to form a lighting system.
The utility model has the following beneficial effects and advantages:
1. the utility model provides a can send alarm information to the unit of lighting a lamp of DBSD-I type filament broken filament warning positioner in proper order when a plurality of signal lamps simultaneously broken filament for DBSD-I type filament broken filament warning positioner can correctly discern alarm information, correctly shows the signal machine name that trouble signal lamp located and lamp position.
Drawings
FIG. 1 is a block diagram of the electrical structure of the lighting unit of the railway color lamp of the present invention;
FIG. 2 is a block diagram of a lighting system comprising a plurality of railway color lamp lighting units;
FIG. 3 is an electrical schematic diagram of the middle lighting transformer of the present invention;
fig. 4 is an electrical schematic diagram of the filament conversion module according to the present invention;
FIG. 5 is an electrical schematic diagram of a process control module according to the present invention;
fig. 6 is an electrical schematic diagram of the alarm output module of the present invention;
fig. 7 is an electrical schematic diagram of the detection module of the present invention;
fig. 8 is a schematic diagram of an interface circuit according to the present invention;
FIG. 9 is a flow chart of the software for checking the occupation of the alarm bus according to the present invention;
fig. 10 is a waveform diagram of a square wave signal of alarm information related to the present invention.
Detailed Description
The invention will be further explained with reference to the drawings attached to the specification.
As shown in fig. 1, the utility model relates to a railway color lamp lighting unit, which comprises a lighting transformer, a filament conversion module, a processing control module, an alarm output module, a detection module and an interface circuit, wherein, a main coil of the lighting transformer is connected with a power supply, an auxiliary coil is connected with the processing control module through the filament conversion module, and a filament voltage output end of the filament conversion module is connected with a signal lamp through the interface circuit; the alarm output end of the processing control module is connected with the alarm output module, and the alarm output module is connected to the filament breakage alarm positioning device through the interface circuit; the processing control module is in bidirectional signal transmission connection with the detection module, and the signal input end of the detection module receives the alarm bus state signal.
As shown in fig. 2, the railway color lamp lighting units are a plurality of units with the same structure, and each railway color lamp lighting unit is connected with one filament breakage alarm positioning device through an alarm bus to form a lighting system.
Fig. 3 is an electrical schematic diagram of the lighting transformer of the present invention. The lighting transformer in this embodiment is used to step down an externally input 220V voltage or 180V voltage to a voltage required by a signal lamp. When 220V voltage is input into a main coil voltage tap I1-I3 or 180V voltage is input into an I1-I2, a secondary coil voltage tap II1(G) -II2 outputs 13V voltage in no-load mode, II1(G) -II3 outputs 14V voltage in no-load mode, and II1(G) -II4 outputs 16V voltage in no-load mode.
As shown in fig. 4, the filament converting module includes a filament converting transformer B1, fifth to sixth diodes D12, D13, second and sixth resistors R2, R6, a second capacitor C8 and a thyristor KP1, wherein the second resistor R2 and the sixth resistor R6 are connected in series, the resistors R2 and R6 connected in series are connected in parallel between the common terminal II1(G) of the signal bulb and the filament voltage adjusting output port (the connection sequence is: II (G) -R2-R6-the filament voltage adjusting output port), and the common terminal II1(G) of the signal bulb and the filament voltage adjusting output port are connected to the lighting transformer secondary coil; the secondary coil of the filament conversion transformer B1 is connected in parallel with a sixth resistor R6, one end of the primary coil (and the end connected with the secondary coil and the filament voltage adjusting output port are the same name ends) is the main filament output port of the signal bulb, and the other end of the primary coil and one main end of the controlled silicon are connected to the filament voltage adjusting output port; the other main end of the controllable silicon KP1 is a signal bulb auxiliary wire output port, and the gate pole of the controllable silicon KP1 takes a gate pole trigger voltage from the two ends of the sixth resistor R6 to generate a gate pole trigger current.
The utility model discloses increased a 0.1 omega's tenth resistance R10 in filament conversion module's main silk return circuit, reduced main, vice silk voltage differential.
The iron standard (TB/T3202-: lighting transformer II1(G) -signal bulb common/main filament-R10-filament transfer transformer B1 main coil-T-lighting transformer, secondary filament lighting circuit: II1(G) -signal bulb common/secondary-T2/T1-T of KP 1; the main coil of the filament conversion transformer B1 in the main filament lighting circuit has low impedance and small voltage drop, and the on-state voltage V of the controllable silicon KP1TThe voltage of the main filament is 1.3V-1.65V, which causes the main filament voltage to be higher than the voltage of the auxiliary filament, about 1.0V, and is at the edge of the index range, so that a voltage of 0.1 omega is added in the main filament loop for voltage division, and the output voltage of the main filament is ensured to be slightly lower so as to meet the conversion requirement.
The filament conversion module in this embodiment accomplishes the following 3 functions: when the main wire and the auxiliary wire of the signal lamp are normal or the auxiliary wire is broken, the main wire of the signal lamp bulb is lightened through the main wire lighting circuit; when the main wire of the signal lamp is broken, the auxiliary wire of the signal lamp bulb is lighted through the auxiliary wire lighting circuit; when the main wire or the auxiliary wire of the signal lamp is broken, the power supply circuit of the processing control module is connected, and when the main wire and the auxiliary wire of the signal lamp are normal, the power supply circuit in the processing control module is disconnected.
II1(G) in the filament voltage adjusting and output terminal P2 is one end of the secondary coil of the lighting transformer and the common end of the signal bulb, and Z, F is the output terminal of the main filament and the secondary filament of the signal bulb; t is a filament voltage adjusting terminal which can be respectively connected with terminals II2, II3 and II4 of a secondary coil of a lighting transformer so as to adjust the secondary value of the filament voltage of the signal lamp; in FIG. 4, T-OUT is the output of the regulation terminal T after passing through the fuse F1; the voltages at the two ends of T-OUT and F are voltages between the two main ends T2 and T1 of the controllable silicon, and are used for controlling the on-off of power supply loops of the processing control module, the alarm output module and the detection module; and voltage at two ends of II1(G) and T-OUT is output voltage of a secondary coil of the lighting transformer and is used for supplying power for the processing control module, the alarm output module and the detection module.
As shown in fig. 5, the processing control module in this embodiment is powered on to operate when the main wire or the auxiliary wire of the signal lamp is broken, collects and identifies its own address, turns on the detection module to check the state of the alarm bus, and delays for a certain time according to the address when the alarm bus is idle, and then outputs a control signal to control the alarm output unit to send alarm information corresponding to the address to the alarm bus; and if the alarm bus is detected to be occupied, closing the alarm output unit and not sending alarm information to the alarm bus. The circuit comprises a rectifier bridge, a resistor, a capacitor, a voltage regulator tube, a diode, a power supply L7805 and a microcontroller STM8S103F 2.
The voltages at the two ends of T-OUT and F are voltages between the two main ends T2 and T1 of the controllable silicon in the filament conversion unit; II1(G), the voltage of both ends of T-OUT is the output voltage of the secondary side of the lighting transformer, is the power supply of the processing control module, the alarm output module and the detection module, and is controlled by the voltage of both ends of T-OUT, F: when the voltages at two ends of T-OUT and F are low, the voltages at two ends of II1(G) and T-OUT supply power to the processing control module, the alarm output module and the detection module through two groups of dynamic disconnection points of 4, 6, 13 and 11 of the first relay REL1, and when the voltages at two ends of T-OUT and F are high, the voltages at two ends of II1(G) and T-OUT are cut off by two groups of dynamic disconnection points of 4, 6, 13 and 11 of the first relay REL1, so that the processing control module, the alarm output module and the detection module are not supplied with power; the PD4 is an alarm signal output port of the microcontroller U2 and sends alarm information to an alarm output module; PD2 is a detection module control port for controlling the opening and closing of the detection module; PD3 is the detection module recovery port.
As shown in fig. 6, the alarm output module completes the function of forwarding the alarm information received from the processing control module to the alarm bus, the circuit includes a resistor, a triode, a diode, a relay, a piezoresistor and a gas discharge tube, the second relay REL2 isolates the internal processing control module from the external alarm bus, and the processing control module is prevented from being interfered by the external environment; the triode S2 controls the second relay REL2 to suck and drop, so that the alarm bus generates square waves and transmits alarm information.
PD4 is microcontroller alarm signal output port; 21. and 22 is an alarm output port, and when the system is used, 21 is connected with the high-order DS of the alarm bus, and 22 is connected with the low-order DSH of the alarm bus.
As shown in fig. 7, the detection module completes the status check of the alarm bus and transmits the check result to the processing control module, and the processing control module determines whether to turn on the alarm output module to send alarm information to the alarm bus according to the check result. The circuit comprises one-two optocouplers G1-G2, a first capacitor C10 and a triode S3, wherein one end of the first capacitor C10 is connected to the high-order DS of the alarm bus through a second optocoupler G2, the other end of the first capacitor C10 is connected with the base electrode of a triode S3, the collector electrode of the triode S3 is connected to the high-order DS of the alarm bus through a second optocoupler G2, the emitter electrode of the triode S3 is connected to the low-order DSH of the alarm bus through a second optocoupler G2, and the base electrode of the triode S3 is connected to the low-order DSH of the alarm bus through an eleventh resistor R11, a R15 and a first diode D15; the base of the triode S3 is connected to the low-order DSH of the alarm bus through the eleventh and fifteenth resistors R11, R15 and the first diode D15
PD2 is a detection module control port for controlling the opening and closing of the detection module; PD3 is the detection module recovery port; 21. and 22 is a detection input port.
When the alarm device is used, the port 21 is connected with the high-order DS of the alarm bus, the port 22 is connected with the low-order DSH of the alarm bus, when the alarm information exists on the alarm bus, the alarm information is a square wave signal with direct current bias, the low level of the square wave signal is positive, and the waveform schematic diagram is shown in FIG. 10. When the low level of the square wave is changed into the high level, the first capacitor C10 is charged, current flows through, the be two poles of the triode S3 generate voltage, the triode S3 is conducted, the first optocoupler G1 is conducted, the port PD3 is at the high level, after the first capacitor C10 is fully charged, the triode S3 is cut, the first optocoupler G1 is cut, and the port PD3 is at the low level; when the square wave is changed from high level to low level, the first capacitor C10 discharges, the triode S3 is cut, the first optocoupler G1 is cut, the port PD3 is at low level, the next square wave repeats the above process, and the port PD3 acquires a pulse waveform at each rising edge of the square wave.
As shown in fig. 8, the interface circuit includes an alarm output interface terminal P1, a filament voltage adjusting and output terminal P2, an address setting terminal P3, a varistor, and a gas discharge tube.
In this embodiment, the interface circuit completes the input of the 220V or 180V working power supply, the lightning protection, the alarm output, the lightning protection, the filament voltage output, the adjustment of the filament voltage, and the address setting. P1-P3 are all spring terminals. P1 is AC220V or AC180V power input and alarm output terminal, I1-I2 are AC220V input interface terminals, I1-I3 are AC180V input interface terminals, 21-22 are alarm output interface terminals; p2 is a filament voltage adjusting and output terminal, Z is a main filament output interface terminal, F is an auxiliary filament output interface terminal, II1(G) is a filament common terminal, T is a filament voltage adjusting terminal, II2, II3 and II4 are lighting transformation auxiliary coil terminals, and T is respectively connected with II2, II3 and II4 to adjust filament output voltage; p3 is an address setting terminal of the lighting unit.
The utility model discloses the working process of unit is lighted to intelligence is as follows:
external AC220V or AC180V working voltage enters equipment through I1-I3 or I1-I2 of an alarm output interface terminal P1 in an interface circuit, enters a main coil I1-I3 or I1-I2 of a lighting transformer after passing through a lightning protection device, adjusts filament output voltage (assuming that II2 is connected with T), voltage of a secondary coil II1(G) and II2 of the lighting transformer enters II1(G) and T of a filament conversion unit, and terminals II1(G) and Z, F of the filament conversion unit are respectively connected to a common end, a main wire and a secondary wire of a signal bulb through filament voltage adjustment and an output terminal P2; main filament lighting circuit: II1(G) -Signal bulb common terminal/main filament-R10-main coil of filament transfer transformer B1-T-II 2; secondary filament lighting circuit: II1(G) -signal bulb common/secondary-T2/T1-T-II 2 of KP 1;
when the main and auxiliary wires of the signal bulb are normal: the secondary coil and the primary coil of the filament conversion transformer B1 flow current at the same time, and the current flow directions are opposite, the generated magnetic fluxes are mutually counteracted, the primary coil and the secondary coil present low impedance, the voltage in the primary filament loop is all dropped on the primary filament and the resistor of the tenth resistor R10, the tenth resistor R10 is low impedance, namely the voltage in the primary filament loop is basically dropped on the primary filament of the signal lamp, the primary filament is lighted, the secondary coil short-circuits the sixth resistor R6, the low voltage at the two ends of the sixth resistor R6 generates a gate current smaller than the gate trigger current of the thyristor, the thyristor is in a reliable closing state, the secondary filament lighting loop is in a disconnection state, the secondary filament of the signal lamp is extinguished, the F potential is equal to the II1(G) potential, the T-OUT potential is equal to the T (II 2) potential, so the voltage at the two ends of the T-OUTThe voltage is output from two ends of the stages II2 and II1(G), and the voltage rectified by a rectifier bridge A1 in the processing control module circuit is higher than the stable voltage U of a voltage regulator tube D6ZThe voltage regulator tube D6 is broken down and conducted, the first triode S1 is opened, the first relay REL1 is driven to suck up, the movable disconnection points 4-6 and 13-11 of the first relay REL1 cut off T-OUT and II1(G) to supply power to the microcontroller U1, the output module and the detection module in the processing control module, and the microcontroller U1, the output module and the detection module are in an off state and cannot send alarm information to the alarm bus.
When the main wire of the signal bulb is broken and the auxiliary wire is normal: the main filament lighting circuit is disconnected, the main filament of the signal lamp is extinguished, the main coil of the filament conversion transformer B1 does not flow current, the secondary coil presents high impedance, high voltage is arranged at two ends of the sixth resistor R6, the generated gate current is larger than the gate trigger current of the silicon controlled rectifier KP1, the silicon controlled rectifier KP1 is in a reliable opening state, the secondary filament of the signal lamp is lightened, and the voltage at two main ends of the opened silicon controlled rectifier KP1 is the on-state voltage V of the silicon controlled rectifierTI.e. the voltage across T-OUT-F is the on-state voltage V of the thyristorTThe voltage rectified by an A1 rectifier bridge in the processing control module circuit is lower than the stable voltage U of a voltage regulator tube D6ZWhen the voltage regulator tube D6 is cut off and the first triode S1 cannot be opened, the first relay REL1 is in a falling state, the first relay REL1 turns on T-OUT and II1(G) to supply power to the microcontroller U1, the output module and the detection module in the processing control module, the microcontroller U1 is electrified to work, the microcontroller U1 is electrified to collect the P3 address and set the terminal state, then the detection module is opened through the PD2 port, the detection module checks the alarm bus, the check result is collected through the PD3 port, when the PD3 port detects the alarm signal, the PD4 port does not send the alarm information to the alarm output module, the alarm output module is in a closed state, when the PD3 port does not detect the alarm signal, the time delay is carried OUT according to the collected address, then the PD4 port sends the alarm information to the alarm output module, the alarm output module forwards the received alarm information to the alarm bus, after the U1 sends 10-period alarm waveforms, the alarm waveforms are not sent any more, and the detection module is closed.
Normal main filament and broken auxiliary filament of signal bulb: the main filament lighting circuit is normal, the auxiliary filament lighting circuit is disconnected, the auxiliary coil and the main coil of the filament conversion transformer B1 simultaneously flow current, the current flow directions are opposite, the generated magnetic fluxes are mutually counteracted, the main coil and the auxiliary coil present low impedance, the voltage in the main filament circuit is reduced on the main filament and the R10 resistor, the R10 resistor is low impedance, namely the voltage in the main filament circuit is basically reduced on the main filament of the signal lamp, and the main filament is lighted; because the auxiliary wire is broken, the F point of the filament conversion unit is in suspension, the controllable silicon is in a reliable closing state, namely, no voltage exists at two ends of T-OUT/F basically, the first relay REL1 is in a falling state, the movable disconnection points 4-6 and 13-11 of the first relay REL1 are connected with T-OUT and II1(G) to supply power to the microcontroller U1, the output module and the detection module in the processing control module, and the microcontroller U1, the output module and the detection module work according to the working flow of 'when the main wire and the auxiliary wire of the signal lamp bulb are normally broken'.
The utility model relates to a positioning method that railway color lamp unit of lighting a lamp adopted, including following step:
1) when the signal lamp has a fault, the internal processing control module of the lighting unit detects the alarm bus through the detection module;
2) when detecting that the alarm bus is idle, delaying for a specified time according to the address;
3) the alarm output module is controlled by the processing control module to send alarm information corresponding to the address of the alarm bus, and the filament breakage alarm positioning device decodes the alarm information on the alarm bus to display the name and the lamp position of the annunciator where the fault signal lamp is located.
And in the step 2), when the alarm bus is detected to be occupied, no alarm information is sent to the alarm bus.
The starting time and the content of the alarm information sent by the lighting unit with different addresses are different.
The utility model provides a can send alarm information to the unit of lighting a lamp of filament broken filament warning positioner (DBSD-I type) in proper order when a plurality of signal lamps simultaneously broken filament for filament broken filament warning positioner can correctly discern alarm information, correctly shows fault signal lamp department's annunciator name and lamp position.
As shown in fig. 9, in the present embodiment, each lighting unit is provided with a different address; when the position 1 and position 2 signal lamps are simultaneously broken, the processing control modules of the position 1 and position 2 lighting units simultaneously start working, the respective detection modules are opened, the processing control modules detect the alarm bus through the respective detection modules, the idle state of the alarm bus is detected, the processing control modules of the position 1 and position 2 lighting units delay time (the processing control module of the position 1 lighting unit delays time T1, the processing control module of the position 2 lighting unit delays time T2, T1 is less than T2), the processing control module of the position 1 lighting unit delays time first, then the alarm output module is opened to send the alarm information corresponding to the address 1 to the alarm bus, and the detection modules are closed; at the moment, the position 2 lighting unit processing control module is still in time delay, the detection module detects that alarm information sent by the position 1 lighting unit exists on the alarm bus, the alarm output module is in a closed state and does not send alarm information, the position 1 lighting unit does not send the alarm information after sending the alarm information of 10 periods, the position 2 lighting unit processing control module detects that the alarm bus is idle, the alarm output module is opened to send the alarm information corresponding to the address 2 to the alarm bus, the detection module is closed, and the like, and the filament breakage alarm positioning device receives the alarm information of different addresses. The filament breakage alarm positioning device decodes alarm information on the alarm bus and displays the name and the lamp position of an annunciator where the fault signal lamp is located.
When the signal lamps simultaneously break, the alarm information of the signal lamps is sequentially sent to the filament breakage alarm positioning device, so that the filament breakage alarm positioning device correctly displays the names and lamp positions of the signal machines where the fault signal lamps are located.
The utility model discloses it occupies the inspection function to have the alarm bus, and carry out certain time delay according to signal lamp self address and send out the sign indicating number, send out the warning information phenomenon to indoor DBSD-I type filament breakage warning positioner simultaneously when having avoided a plurality of signal bulbs to break simultaneously, make alarm information send in proper order for indoor filament breakage warning positioner, guarantee filament breakage warning positioner and only receive the broken wire fault information of a signal bulb with the time, so that it can correct recognition alarm information, correctly show the signal machine name that trouble signal lamp located and lamp position.
Claims (6)
1. A railway color lamp lighting unit is characterized in that: the lamp comprises a lighting transformer, a filament conversion module, a processing control module, an alarm output module, a detection module and an interface circuit, wherein a main coil of the lighting transformer is connected with a power supply, an auxiliary coil is connected to the processing control module through the filament conversion module, and a filament voltage output end of the filament conversion module is connected to a signal lamp through the interface circuit; the alarm output end of the processing control module is connected with the alarm output module, and the alarm output module is connected to the filament breakage alarm positioning device through the interface circuit; the processing control module is in bidirectional signal transmission connection with the detection module, and the signal input end of the detection module receives the alarm bus state signal.
2. The railroad color lamp lighting unit of claim 1, wherein: the detection module comprises a first optical coupler, a second optical coupler, a first capacitor and a triode, wherein one end of the capacitor is connected to the high potential of the alarm bus through the second optical coupler, the other end of the capacitor is connected with the base electrode of the triode, the collector electrode of the triode is connected to the high potential of the alarm bus through the second optical coupler, and the emitter electrode of the triode is connected to the low potential of the alarm bus through the first optical coupler.
3. The railroad color lamp lighting unit of claim 2, wherein: the alarm device is also provided with first to fourth diodes, the fourth diodes are connected to two sides of the output end of a switching tube of the second optocoupler, the second diodes are connected to two ends of a light emitting tube of the first optocoupler, the third diode is connected between a collector and an emitter of the triode, and a base of the triode is connected to the low potential of the alarm bus through a resistor and the first diode.
4. The railroad color lamp lighting unit of claim 1, wherein: the filament conversion module comprises a filament conversion transformer, fifth to sixth diodes, a second resistor, a sixth resistor, a second capacitor and a controlled silicon, wherein the second resistor and the sixth resistor are connected in series; the secondary coil of the filament conversion transformer is connected with the sixth resistor in parallel, one end of the main coil of the filament conversion transformer is a main filament output port of the signal bulb, and the other end of the main coil is connected with one main end of the silicon controlled rectifier and is connected to a filament voltage regulation output port; the other main end of the controllable silicon is an output port of the auxiliary wire of the signal bulb, and a gate pole of the controllable silicon obtains gate pole trigger voltage from the two ends of the sixth resistor to generate gate pole trigger current.
5. The railroad color lamp lighting unit of claim 1, wherein: a tenth resistor is connected in series between one end of the secondary coil of the filament conversion transformer and the main filament of the signal bulb.
6. The railroad color lamp lighting unit of claim 1, wherein: the railway color lamp lighting units are of the same structure, and each railway color lamp lighting unit is connected with a filament breakage alarm positioning device through an alarm bus to form a lighting system.
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CN110430649A (en) * | 2019-09-05 | 2019-11-08 | 沈阳铁路信号有限责任公司 | A kind of railway colored lights lighting unit and its localization method |
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CN110430649A (en) * | 2019-09-05 | 2019-11-08 | 沈阳铁路信号有限责任公司 | A kind of railway colored lights lighting unit and its localization method |
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