CN1179393A - Railway signal power supply screen - Google Patents
Railway signal power supply screen Download PDFInfo
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- CN1179393A CN1179393A CN 97103606 CN97103606A CN1179393A CN 1179393 A CN1179393 A CN 1179393A CN 97103606 CN97103606 CN 97103606 CN 97103606 A CN97103606 A CN 97103606A CN 1179393 A CN1179393 A CN 1179393A
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Abstract
A power supply screen of railway signals for supplying electric power to the interlocking devices in railway stations durably, stably and reliably is composed of conversion screen, microcomputer cleaning screen, indoor screen, outdoor screen and rail screen. Distributed voltage stabilization, modular circuit structure, and redudency back-up structure are used. It is suitable for microcomputer interlocking devices and electrically interlocked devices in railway stations.
Description
The present invention relates to a kind of railway signal power supply screen to the interlocking in railway station power devices.
Be used for after the railway signal power supply screen of interlocking in railway station power devices is that exterior three plase alternating current is passed through this power supply panel voltage stabilizing and transformation, rectification, distributing to the equipment of unit control table, signal, relay, direct-current point machine and other signalling set even load electricity consumption.Along with progress of science and technology, interlocking in railway station equipment has had new development on the basis of electric interlocking, the microcomputer interlocking equipment based on microcomputer technology occurred.But, WJLS-II type microcomputer interlocking equipment is still using the existing power supply panel conduct to the electrical interlocking equipment power supply to substitute at present, existing this power supply panel shields each 1 by conversion screen and AC voltage adjusting, and DC power supply panel and each 2 composition of AC power supply panel.Its weak point is:
(1), it does not have the dynamic constant voltage power suspply that WJLS-II type microcomputer interlocking equipment needs.Therefore, when being used for to the microcomputer interlocking power devices, can only be installed in dynamic constant voltage power suspply plug hole on the unit block assembly rack, it is messy that outward appearance seems, detects inconvenient maintenance.
(2), it does not have antijamming capability, can not protect microcomputer interlocking equipment effectively and other microelectronic devices move safely and reliably.
(3), it uses 1 pressure regulator to concentrate pressure regulation, making inductive load-direct-current point machine cause microcomputer through this pressure regulator harasses, harm microcomputer interlocking equipment and other microelectronic devices, this pressure regulator-each feed circuit of dawn et out of order and various load all effected.
(4), it has each 2 of DC power supply panel and AC power supply panel, wherein each is main with 1 and each standby 1, this whole degree of utilization that shields the 1+1 primary standby structure is not high.
The objective of the invention is to design a kind of by microcomputer purify screen, indoor screen, conversion screen, outdoor screen and track screen respectively 1 form, take to disperse voltage stabilizing, disturbance rejection, each circuit module implementation N+1 is that N master uses, 1 standby primary standby structure in modularization and the screen, not only be applicable to microcomputer interlocking but also be applicable to the railway signal power supply screen of electric interlocking, to overcome the deficiency of existing power supply screen.
Design plan of the present invention such as Fig. 1 are to shown in Figure 9:
Fig. 1 is the composition and the feed circuit distribution block diagram of railway signal power supply screen, it is by conversion screen 1, microcomputer purifies screen 2, indoor screen 3, outdoor screen 4 and track screen 5 are formed, the two-way three plase alternating current that is provided by main electrical network and secondary electrical network directly inputs in the conversion screen 1, be connected on the input end of change-over circuit 6, export on the ac bus 7 through change-over circuit 6 by main electrical network at ordinary times, ac bus 7 removes and is the switch indication of conversion screen 1, in-station codification, communication facilities and other equipment are used outside feed circuit 8 power supplies, and are respectively: microcomputer purifies the microcomputer feed circuit 9 and the dynamic relay feed circuit 10 of screen 2; The relay of indoor screen 3 feed circuit 11 and unit control table feed circuit 12; The signal of outdoor screen 4 feed circuit 13 and direct-current point machine feed circuit 14; The continuous exchange of track circuit of track screen 5 is powered with feed circuit 15.More than the input end of feed circuit 8-15 of each screen all be connected on the ac bus 7.When main grid power blackout or wherein arbitrary when opening circuit mutually, change-over circuit 6 just automatically conversion change by secondary mains supply, when main electrical network is repaired, make recovery by main mains supply.
Fig. 2 is each circuit module of conversion screen and annexation figure thereof, and switch indication, in-station codification, communication facilities and other equipment are to constitute with (being 4 bundles among the figure) voltage stabilizing clean circuit 16 and the standby voltage stabilizing clean circuit 17 of 1 bundle by the N bundle is main with feed circuit 8.It is led with the input end of the input end of voltage stabilizing clean circuit 16 and standby voltage stabilizing clean circuit 17 and is connected on the ac bus 7.Every bundle master constitutes with the output dip switch 19 of voltage stabilizing cleaning module 18 serial connections under it by main with voltage stabilizing clean circuit 16.Its standby voltage stabilizing clean circuit 17 is made of the standby voltage stabilizing cleaning module 21 of input change-over switch 20 serial connections.Importing change-over switch 20 at ordinary times disconnects, standby voltage stabilizing cleaning module 21 is in electroless state, the contact of each output dip switch 19 is connected main with voltage stabilizing cleaning module 18, the standby voltage stabilizing cleaning module 21 of disconnection, makes each master with voltage stabilizing clean circuit 16 stable 220V alternating current output be arranged; N (among the figure being 4) is main with voltage stabilizing cleaning module 18 shared 1 standby voltage stabilizing cleaning module 21, i.e. the N+1 primary standby structures of N=4.When any master uses voltage stabilizing cleaning module 18 faults, output dip switch 19 under it is automatically main with 18 disconnections of voltage stabilizing cleaning module this, this master in bad order just stops power supply with voltage stabilizing clean circuit 16, simultaneously automatically connect standby voltage stabilizing cleaning module 21, and make input change-over switch 20 auto-closings.Standby like this voltage stabilizing cleaning module 21 has just replaced this master of fault to use voltage stabilizing cleaning module 18, and standby voltage stabilizing clean circuit 17 has replaced this master of fault to power to the load with voltage stabilizing clean circuit 16; When this master of fault is repaired with voltage stabilizing cleaning module 18,20 disconnections of input change-over switch, standby voltage stabilizing clean circuit 17 are had a power failure, this is main with the standby voltage stabilizing cleaning module 21 of output dip switch 19 automatic cutouts under the voltage stabilizing cleaning module 18, connect this master simultaneously with voltage stabilizing cleaning module 18, make this master recover to power to the load with voltage stabilizing clean circuit 16.
Fig. 3 is that microcomputer purifies each circuit module of screen and annexation figure thereof, and it is to be made of with feed circuit 10 with feed circuit 9 and dynamic relay microcomputer.Microcomputer constitutes with voltage stabilizing clean circuit 22 and the standby voltage stabilizing clean circuit 23 of 1 bundle by N bundle (being three beams among the figure) is main with feed circuit 9, and their input end also is connected on the ac bus 7.Every bundle master is made of the main output dip switch 25 that is connected in series under it with voltage stabilizing cleaning module 24 with voltage stabilizing clean circuit 22, standby voltage stabilizing clean circuit 23 is made of the standby voltage stabilizing cleaning module 27 of input change-over switch 26 serial connections, 3 main with voltage stabilizing cleaning module 24 shared 1 standby voltage stabilizing cleaning module 27, i.e. the N+1 primary standby structures of N=3.When any master uses voltage stabilizing cleaning module 24 faults, output dip switch 25 under it is automatically main with 24 disconnections of voltage stabilizing cleaning module this, this master just stops power supply with voltage stabilizing clean circuit 22, simultaneously automatically connect standby voltage stabilizing cleaning module 27, and make input change-over switch 26 auto-closings.Like this, standby voltage stabilizing cleaning module 27 has just replaced this master of fault to use voltage stabilizing cleaning module 24, and standby voltage stabilizing clean circuit 23 has replaced this master of fault to power to the load with voltage stabilizing clean circuit 22; When this master of fault is repaired with voltage stabilizing cleaning module 24,26 disconnections of input change-over switch, standby voltage stabilizing clean circuit 23 are had a power failure, this is main with the standby voltage stabilizing cleaning module 27 of output dip switch 25 automatic cutouts under the voltage stabilizing cleaning module 24, connect this master simultaneously with voltage stabilizing cleaning module 24, make this master recover to power to the load with voltage stabilizing clean circuit 22.Dynamic relay is made of with dynamic voltage-stabilized power supply circuit 28 and standby dynamic voltage-stabilized power supply circuit 29 main with feed circuit 10, and their input end also is connected on the ac bus 7.Main be made of with the output dip switch 31 of dynamic power module of voltage regulation 30 serial connections under it main with dynamic voltage-stabilized power supply circuit 28, standby dynamic voltage-stabilized power supply circuit 29 is connected in series standby dynamic power module of voltage regulation 33 and constitutes by importing change-over switch 32.Importing change-over switch 32 at ordinary times disconnects, standby dynamic power module of voltage regulation 33 is in electroless state, the contact of output dip switch 31 is connected the master with dynamic power module of voltage regulation 30, disconnects standby dynamic power module of voltage regulation 33, makes the winner with dynamic voltage-stabilized power supply circuit 28 output be arranged.Main respectively have one with dynamic power module of voltage regulation 30 and standby dynamic power module of voltage regulation 33, i.e. the N+1 primary standby structure of N=1.When main during with dynamic power module of voltage regulation 30 faults, output dip switch 31 under it automatically disconnects with dynamic power module of voltage regulation 30 main, the main of fault just stopped power supply with dynamic voltage-stabilized power supply circuit 28, simultaneously, automatically connect standby dynamic power module of voltage regulation 33, and make input change-over switch 32 auto-closings.Like this, standby dynamic power module of voltage regulation 33 has just replaced the main with dynamic power module of voltage regulation 30 of fault, and standby dynamic voltage-stabilized power supply circuit 29 has replaced the main of fault to power to the load with dynamic voltage-stabilized power supply circuit 28; When the master is repaired with dynamic power module of voltage regulation 30,32 disconnections of input change-over switch, standby dynamic voltage-stabilized power supply circuit 29 are had a power failure, this is main with the standby dynamic power module of voltage regulation 33 of output dip switch 31 automatic cutouts under the dynamic power module of voltage regulation 30, connect this master simultaneously with dynamic power module of voltage regulation 30, make this master recover to power to the load with dynamic voltage-stabilized power supply circuit 28.
Fig. 4 is each circuit module of indoor screen and annexation figure thereof, and it is to be made of with feed circuit 12 with feed circuit 11 and unit control table relay.Relay is made of with transformation rectifying circuit 35 and standby transformation rectifying circuit 56 thereof with voltage stabilizing clean circuit 34 serial connections are main main with feed circuit 11.Main in parallel with the input end of standby transformation rectifying circuit 36 with transformation rectifying circuit 35.Main is to be made of with voltage stabilizing cleaning module 42 serial connection output dip switch 43 main with voltage stabilizing clean circuit 34, and its input end is connected on the ac bus 7.The master is made of with transformation rectification module 37 serial connection output dip switch 38 main with transformation rectifying circuit 35.Standby transformation rectifying circuit 36 is made of the standby transformation rectification module 40 of input change-over switch 39 serial connections; Unit control table constitutes with voltage stabilizing clean circuit 34 and the standby voltage stabilizing clean circuit 41 of 1 bundle by two bundles are main with feed circuit 12, and the input end of each circuit also connects on the ac bus 7; Relay is main with voltage stabilizing clean circuit 34 with having 3 bundles in the feed circuit 12 with feed circuit 11 and unit control table, and every bundle constitutes with the output dip switch 43 of voltage stabilizing cleaning module 42 serial connections under it by main.Standby voltage stabilizing clean circuit 41 is made of the standby voltage stabilizing cleaning module 45 of input change-over switch 44 serial connections, and 3 main with voltage stabilizing cleaning module 42 shared 1 standby voltage stabilizing cleaning module 45, i.e. the N+1 primary standby structures of N=3; At ordinary times, input change-over switch 39 and 44 all disconnects, standby voltage stabilizing cleaning module 45 and standby transformation rectification module 40 all are in electroless state, the contact of each output dip switch 43 is connected main with voltage stabilizing cleaning module 42, disconnect standby voltage stabilizing cleaning module 45, make each master stable 220V ac purification power supply output be arranged with voltage stabilizing clean circuit 34.The contact of output dip switch 38 is connected the main transformation rectification module 37 of using at ordinary times, disconnects standby transformation rectification module 40, makes the winner with transformation rectifying circuit 35 output of 24V direct current (DC) be arranged.Lead respectively 1 of usefulness transformation rectification module 37 and standby transformation rectification module 40, i.e. the N+1 primary standby structure of N=1; When the master uses transformation rectification module 37 faults, output dip switch 38 under it automatically disconnects with transformation rectification module 37 main, and the main of fault just stopped power supply with transformation rectifying circuit 35, simultaneously, automatically connect standby transformation rectification module 40, and make input change-over switch 39 auto-closings.Like this, standby transformation rectification module 40 has just replaced the main with transformation rectification module 37 of fault, and standby transformation rectifying circuit 36 has replaced the main of fault to power to the load with transformation rectifying circuit 35; When the master of fault is repaired with transformation rectification module 37,39 disconnections of input change-over switch, standby transformation rectifying circuit 36 are had a power failure, this is main with the standby transformation rectification module 40 of output dip switch 38 automatic cutouts under the transformation rectification module 37, makes this master recover to power to the load with transformation rectifying circuit 35; When any master uses voltage stabilizing cleaning module 42 faults, output dip switch 43 under it is automatically main with 42 disconnections of voltage stabilizing cleaning module this, this master in bad order just stops power supply with voltage stabilizing clean circuit 34, simultaneously, automatically connect standby voltage stabilizing cleaning module 45, and make input change-over switch 44 auto-closings.Like this, standby voltage stabilizing cleaning module 45 has just replaced this master of fault to use voltage stabilizing cleaning module 42, and standby voltage stabilizing clean circuit 41 has replaced this master of fault to power to the load with voltage stabilizing clean circuit 34; When this master of fault is repaired with voltage stabilizing cleaning module 42,44 disconnections of input change-over switch, standby voltage stabilizing clean circuit 41 are had a power failure, this is main with the standby voltage stabilizing cleaning module 45 of output dip switch 43 automatic cutouts under the voltage stabilizing cleaning module 42, simultaneously, connect this master with voltage stabilizing cleaning module 42, this master is restored electricity with voltage stabilizing clean circuit 34.
Fig. 5 is each circuit module of outdoor screen and annexation figure thereof, and it is to be made of with feed circuit 14 with feed circuit 13 and direct-current point machine signal; Signal constitutes with voltage stabilizing clean circuit 46 and the standby voltage stabilizing clean circuit 47 of 1 bundle by two bundles are main with feed circuit 13.Each is led with the input end of the input end of voltage stabilizing clean circuit 46 and standby voltage stabilizing clean circuit 47 and is connected on the ac bus 7.Every bundle master constitutes with the output dip switch 49 of voltage stabilizing cleaning module 48 serial connections under it by main with voltage stabilizing clean circuit 46, and standby voltage stabilizing clean circuit 47 is made of the standby voltage stabilizing cleaning module 51 of input change-over switch 50 serial connections; At ordinary times, input change-over switch 50 disconnects, standby voltage stabilizing cleaning module 51 is in electroless state, and the contact of each output dip switch 49 is connected main with voltage stabilizing cleaning module 48, the standby voltage stabilizing cleaning module 51 of disconnection, makes each master with voltage stabilizing clean circuit 46 stable 220V alternating current output be arranged; Two main with voltage stabilizing cleaning module 48 shared 1 standby voltage stabilizing cleaning module 51, i.e. the N+1 primary standby structures of N=2.When any master uses voltage stabilizing cleaning module 48 faults, output dip switch 49 under it is automatically main with 48 disconnections of voltage stabilizing cleaning module this, this master in bad order just stops power supply with voltage stabilizing clean circuit 46, simultaneously, automatically connect standby voltage stabilizing cleaning module 51, and make input change-over switch 50 auto-closings.Like this, standby voltage stabilizing cleaning module 51 has just replaced the main with voltage stabilizing cleaning module 48 of fault, and standby voltage stabilizing clean circuit 47 has replaced this master of fault to power to the load with voltage stabilizing clean circuit 46; When this master of fault is repaired with voltage stabilizing cleaning module 48,50 disconnections of input change-over switch, standby voltage stabilizing clean circuit 47 are had a power failure, this is main with the standby voltage stabilizing cleaning module 51 of output dip switch 49 automatic cutouts under the voltage stabilizing cleaning module 48, connect this master simultaneously with voltage stabilizing cleaning module 48, make this master recover to power to the load with voltage stabilizing clean circuit 46.Direct-current point machine is led with voltage stabilizing rectifying circuit 52 and the standby voltage stabilizing rectifying circuit 53 of 1 bundle by two bundles with feed circuit 14 and is constituted, and each is led with the input end of voltage stabilizing rectifying circuit 52 and standby voltage stabilizing rectifying circuit 53 thereof and is connected on the ac bus 7.Two bundles are led with the mouth of voltage stabilizing rectifying circuit 52 and are unified into a mouth.Every bundle master constitutes with the output dip switch 55 of voltage stabilizing rectification module 54 serial connections under it by main with voltage stabilizing rectifying circuit 52; Standby voltage stabilizing rectifying circuit 53 is made of the standby voltage stabilizing rectification module 57 of input change-over switch 56 serial connections.At ordinary times, input change-over switch 56 disconnects, standby voltage stabilizing rectification module 57 is in electroless state, and the contact of each output dip switch 55 is connected main with voltage stabilizing rectification module 54, the standby voltage stabilizing rectification module 57 of disconnection, makes each master with voltage stabilizing rectifying circuit 52 stable 220V direct current (DC) output be arranged.Two main with voltage stabilizing rectification module 54 a shared standby voltage stabilizing rectification module 57, i.e. the N+1 primary standby structures of N=2.When any master uses voltage stabilizing rectification module 54 faults, output dip switch 55 under it is automatically main with 54 disconnections of voltage stabilizing rectification module this, this master in bad order just stops power supply with voltage stabilizing rectifying circuit 52, simultaneously, automatically connect standby voltage stabilizing rectification module 57, and make input change-over switch 56 auto-closings.Like this, standby voltage stabilizing rectification module 57 has just replaced this master of fault to use voltage stabilizing rectification module 54, and standby voltage stabilizing rectifying circuit 53 has replaced this master of fault to power to the load with voltage stabilizing rectifying circuit 52; When this master of fault is repaired with voltage stabilizing rectification module 54,56 disconnections of input change-over switch, standby voltage stabilizing rectifying circuit 53 are had a power failure, this master makes this master power to the load with 52 recoveries of voltage stabilizing rectifying circuit with the standby voltage stabilizing rectification module 57 of output dip switch 55 automatic cutouts under the voltage stabilizing rectification module 54, connect this master with voltage stabilizing rectification module 54 simultaneously.
Fig. 6 is that track shields each circuit module and annexation figure thereof, and it is to be made of with feed circuit 15 continuous exchange of track circuit.Feed circuit 8 structures, operating principle and the primary standby structure of these feed circuit and Fig. 2 are identical, just are the power supply object with the track circuit, therefore repeat no more.7 is ac bus among the figure, the 15th, and continuous exchange of track circuit feed circuit, the 16th, the main voltage stabilizing clean circuit of using, the 17th, standby voltage stabilizing clean circuit, the 18th, main voltage stabilizing cleaning module, the 19th, the output dip switch used, the 20th, input change-over switch, the 21st, standby voltage stabilizing cleaning module.
Fig. 7 is each circuit module of conversion screen and annexation alternative plan figure thereof, and the circuit structure of this figure, operating principle and primary standby structure relation are identical with Fig. 2, and different is that the voltage stabilizing clean circuit is changed into mu balanced circuit; The voltage stabilizing cleaning module is changed into Voltage stabilizing module.Though this mu balanced circuit does not have purification function, also can satisfy the electricity consumption requirement, can reach purpose of the present invention and cost and fall slightly.But the mean time between failures of mu balanced circuit is short, and the type of modules of a whole set of power supply panel has been increased, and not only to producing and keeping in repair and make troubles, also is unfavorable for for a long time power supply reliably continuously.Through comprehensively thinking, be good still to select the voltage stabilizing cleaning module and the circuit that have purification function for use than choosing.7 is ac bus among the figure, the 8th, and switch indication, in-station codification, communication facilities and other equipment feed circuit, the 58th, the main mu balanced circuit of using, the 59th, standby mu balanced circuit, the 60th, the master uses Voltage stabilizing module, and the 61st, output dip switch, the 62nd, input change-over switch, the 63rd, standby Voltage stabilizing module.
Fig. 8 is each circuit module of outdoor screen and annexation alternative plan figure thereof, and the circuit structure of this figure, operating principle and primary standby structure relation are identical with Fig. 5, and the comparison of type of modules and merits and faults is identical with Fig. 7, does not repeat them here.7 is ac bus among the figure, the 13rd, and signal feed circuit, the 14th, direct-current point machine feed circuit, the 64th, the main mu balanced circuit of using, the 65th, standby mu balanced circuit, the 66th, the master uses the voltage stabilizing rectifying circuit, and the 67th, standby voltage stabilizing rectifying circuit, the 68th, the main Voltage stabilizing module of using, the 69th, standby Voltage stabilizing module, the 70th, output dip switch, the 71st, the main voltage stabilizing rectification module of using, the 72nd, standby voltage stabilizing rectification module, the 73rd, output dip switch.
Fig. 9 is that track shields each circuit module and annexation alternative plan figure thereof, and the circuit structure of this figure, operating principle and primary standby structure relation are identical with Fig. 6, and the comparison of type of modules and merits and faults is identical with Fig. 7, does not repeat them here.7 is ac bus among the figure, the 15th, and the continuous exchange of track circuit feed circuit, the 74th, the master uses mu balanced circuit, and the 75th, standby mu balanced circuit, the 76th, the master uses Voltage stabilizing module, and the 77th, standby Voltage stabilizing module, the 78th, input change-over switch, the 79th, output dip switch.
The present invention has following beneficial effect:
1, carry out to disperse voltage stabilizing, avoided influencing each other between each feed circuit and inductive load-direct-current point machine to the harassing of microcomputer, improved quality of power supply.
2, adopt the voltage stabilizing cleaning module, its mean time between failures is long, and voltage stabilized range is wide, the pressure regulation speed of response is fast, no overvoltage output, the ability of antisurge and anti-high pressure spike is strong, can guarantee that microcomputer interlocking equipment and other microelectronic device long-term safety move reliably.
3, adopt the primary standby structure of circuit module N+1, improved capacity utilization rate.
4, highly versatile not only is applicable to microcomputer interlocking equipment, also is applicable to electrical interlocking equipment when microcomputer purifies screen when not establishing.
Above beneficial effect has reached purpose of the present invention.
Description of drawings:
Fig. 1 is the composition and the feed circuit distribution block diagram of railway signal power supply screen, 1 is conversion screen among the figure, the 2nd, microcomputer purifies screen, the 3rd, indoor screen, the 4th, outdoor screen, the 5th, track screen, the 6th, change-over circuit, the 7th, ac bus, the 8th, switch indication, in-station codification, communication facilities and other equipment feed circuit, the 9th, microcomputer feed circuit, the 10th, dynamic relay feed circuit, the 11st, relay feed circuit, the 12nd, the unit control table feed circuit, the 13rd, signal feed circuit, the 14th, direct-current point machine feed circuit, the 15th, continuous exchange of track circuit feed circuit.
Fig. 2 is each circuit module of conversion screen and annexation figure thereof, 7 is ac bus among the figure, the 8th, switch indication, in-station codification, communication facilities and other equipment feed circuit, the 16th, the main voltage stabilizing clean circuit of using, the 17th, standby voltage stabilizing clean circuit, the 18th, main voltage stabilizing cleaning module, the 19th, the output dip switch used, the 20th, input change-over switch, the 21st, standby voltage stabilizing cleaning module.
Fig. 3 is that microcomputer purifies each circuit module of screen and annexation figure thereof, 7 is ac bus among the figure, the 9th, the microcomputer feed circuit, the 10th, the dynamic relay feed circuit, the 22nd, the main voltage stabilizing clean circuit of using, the 23rd, standby voltage stabilizing clean circuit, the 24th, main voltage stabilizing cleaning module, the 25th, the output dip switch used, the 26th, the input change-over switch, the 27th, standby voltage stabilizing cleaning module, the 28th, the master uses dynamic voltage-stabilized power supply circuit, and the 29th, standby dynamic voltage-stabilized power supply circuit, the 30th, the master uses dynamic power module of voltage regulation, the 31st, output dip switch, the 32nd, input change-over switch, the 33rd, standby dynamic power module of voltage regulation.
Fig. 4 is each circuit module of indoor screen and annexation figure thereof, 7 is ac bus among the figure, the 11st, the relay feed circuit, the 12nd, the unit control table feed circuit, the 34th, the main voltage stabilizing clean circuit of using, the 35th, the master uses the transformation rectifying circuit, and the 36th, standby transformation rectifying circuit, the 37th, the main transformation rectification module of using, the 38th, output dip switch, the 39th, input change-over switch, the 40th, standby transformation rectification module, the 41st, standby voltage stabilizing clean circuit, the 42nd, the main voltage stabilizing cleaning module of using, the 43rd, output dip switch, the 44th, input change-over switch, the 45th, standby voltage stabilizing cleaning module.
Fig. 5 is each circuit module of outdoor screen and annexation figure thereof, 7 is ac bus among the figure, the 13rd, the signal feed circuit, the 14th, direct-current point machine is the main voltage stabilizing clean circuits of using with feed circuit 46, the 47th, standby voltage stabilizing clean circuit, the 48th, the main voltage stabilizing cleaning module of using, the 49th, output dip switch, the 50th, input change-over switch, the 51st, standby voltage stabilizing cleaning module, the 52nd, the main voltage stabilizing rectifying circuit of using, the 53rd, standby voltage stabilizing rectifying circuit, the 54th, main voltage stabilizing rectification module, the 55th, the output dip switch used, the 56th, input change-over switch, the 57th, standby voltage stabilizing rectification module.
Fig. 6 is that track shields each circuit module and annexation figure thereof, 7 is ac bus among the figure, the 15th, the continuous exchange of track circuit feed circuit, the 16th, main is standby voltage stabilizing clean circuits with voltage stabilizing clean circuit 17, the 18th, the main voltage stabilizing cleaning module of using, the 19th, output dip switch, the 20th, input change-over switch, the 21st, standby voltage stabilizing cleaning module.
Fig. 7 is each circuit module of conversion screen and annexation alternative plan figure thereof, 7 is ac bus among the figure, the 8th, switch indication, in-station codification, communication facilities and other equipment feed circuit, the 58th, the main mu balanced circuit of using, the 59th, standby mu balanced circuit, the 60th, the master uses Voltage stabilizing module, and the 61st, output dip switch, the 62nd, input change-over switch, the 63rd, standby Voltage stabilizing module.
Fig. 8 is each circuit module of outdoor screen and annexation alternative plan figure thereof, and 7 is ac bus among the figure, the 13rd, and the signal feed circuit, the 14th, the direct-current point machine feed circuit, the 64th, the master uses mu balanced circuit, and the 65th, standby mu balanced circuit, the 66th, the main voltage stabilizing rectifying circuit of using, the 67th, standby voltage stabilizing rectifying circuit, the 68th, the master uses Voltage stabilizing module, and the 69th, standby Voltage stabilizing module, the 70th, output dip switch, the 71st, the master uses the voltage stabilizing rectification module, and the 72nd, standby voltage stabilizing rectification module, the 73rd, output dip switch.
Fig. 9 is that track shields each circuit module and annexation alternative plan figure thereof, 7 is ac bus among the figure, the 15th, the continuous exchange of track circuit feed circuit, the 74th, the main mu balanced circuit of using, the 75th, standby mu balanced circuit, the 76th, the master uses Voltage stabilizing module, and the 77th, standby Voltage stabilizing module, the 78th, input change-over switch, the 79th, output dip switch.
Enforcement of the present invention is that the design plan of Fig. 1 to Fig. 6 is good with main scheme, though alternative plan also can reach purpose of the present invention, but because circuit 8,13, the 15 type of modules differences that adopt, except that the mean time between failures is short, also unfavorable to producing and keeping in repair, therefore, with Fig. 1 to Fig. 6 as embodiment of the present invention.In addition, when the master is 4 with module, also the N+1 primary standby structure of a N=4 can be changed into the primary standby structure of the N+1 of two N=2; When the master is 6 with module, also the N+1 primary standby structure of 1 N=6 can be changed into the N+1 primary standby structure of two N=3.So, more can improve the reliability of power supply.But be not difficult to find out, though above variation can be arranged, but still do not run off the principle of circuit module N+1 primary standby structure.
Claims (7)
1, a kind of railway signal power supply screen that is used for to the interlocking in railway station power devices is through this power supply panel voltage stabilizing and transformation with exterior three plase alternating current, after the rectification, distribute to unit control table, signal, relay, direct-current point machine and other signalling set even load, it is characterized in that: it is by change-over circuit and contains switch indication, in-station codification, communication facilities and other equipment conversion screen (1) of feed circuit, contain microcomputer and shield (2) with the microcomputer purification of feed circuit with feed circuit and dynamic relay, contain relay and use the indoor screen (3) of feed circuit with feed circuit and unit control table, contain signal with feed circuit and direct-current point machine with the outdoor screen (4) of feed circuit and contain continuous exchange of track circuit and form with the track screen (5) of feed circuit, the mouth of change-over circuit (6) and the input end of each feed circuit are received on the ac bus (7).
2, railway signal power supply screen as claimed in claim 1 is characterized in that: the switch indication in conversion screen, in-station codification, communication facilities and other equipment feed circuit are to be made of with voltage stabilizing clean circuit and standby voltage stabilizing clean circuit main; The master is made of with voltage stabilizing cleaning module serial connection output dip switch main with the voltage stabilizing clean circuit; Standby voltage stabilizing clean circuit is connected in series standby voltage stabilizing cleaning module by the input change-over switch and constitutes.
3, railway signal power supply screen as claimed in claim 1 is characterized in that: purify screen at microcomputer and contain microcomputer with feed circuit and dynamic relay feed circuit; The microcomputer feed circuit are to be made of with voltage stabilizing clean circuit and standby voltage stabilizing clean circuit main, the master is made of with voltage stabilizing cleaning module serial connection output dip switch main with the voltage stabilizing clean circuit, and standby voltage stabilizing clean circuit is connected in series standby voltage stabilizing cleaning module by the input change-over switch and constitutes; Dynamic relay is made of with dynamic voltage-stabilized power supply circuit and standby dynamic voltage-stabilized power supply circuit main with feed circuit, main is to be made of with dynamic power module of voltage regulation serial connection output dip switch main with dynamic voltage-stabilized power supply circuit, and standby dynamic voltage-stabilized power supply circuit is to be connected in series standby dynamic power module of voltage regulation by the input change-over switch to constitute.
4, railway signal power supply screen as claimed in claim 1 is characterized in that: contain relay with feed circuit and unit control table feed circuit at indoor screen; The relay feed circuit are to be made of with transformation rectifying circuit and standby transformation rectifying circuit thereof with voltage stabilizing clean circuit serial connection is main main, main in parallel with the input end of standby transformation rectifying circuit with the transformation rectifying circuit, main is to be made of with transformation rectification module serial connection output dip switch main with the transformation rectifying circuit, standby transformation rectifying circuit is to be connected in series standby transformation rectification module by the input change-over switch to constitute, and main is to be made of with voltage stabilizing cleaning module serial connection output dip switch main with the voltage stabilizing clean circuit; Unit control table is made of with voltage stabilizing clean circuit and standby voltage stabilizing clean circuit main with feed circuit, main is to be made of with voltage stabilizing cleaning module serial connection output dip switch main with the voltage stabilizing clean circuit, and standby voltage stabilizing clean circuit is to be connected in series standby voltage stabilizing cleaning module by the input change-over switch to constitute.
5, railway signal power supply screen as claimed in claim 1 is characterized in that: contain signal with feed circuit and direct-current point machine feed circuit at outdoor screen; The signal feed circuit are to be made of with voltage stabilizing clean circuit and standby voltage stabilizing clean circuit main, main is to be made of with voltage stabilizing cleaning module serial connection output dip switch main with the voltage stabilizing clean circuit, and standby voltage stabilizing clean circuit is to be connected in series standby voltage stabilizing cleaning module by the input change-over switch to constitute; The direct-current point machine feed circuit are to be made of with voltage stabilizing rectifying circuit and standby voltage stabilizing rectifying circuit main, main is to be made of with voltage stabilizing rectification module serial connection output dip switch main with the voltage stabilizing rectifying circuit, and standby voltage stabilizing rectifying circuit is to be connected in series standby voltage stabilizing rectification module by the input change-over switch to constitute.
6, railway signal power supply screen as claimed in claim 1 is characterized in that: contain the continuous exchange of track circuit feed circuit at the track screen, this circuit is to be made of with voltage stabilizing clean circuit and standby voltage stabilizing clean circuit main, the master is made of with voltage stabilizing cleaning module serial connection output dip switch main with the voltage stabilizing clean circuit, and standby voltage stabilizing clean circuit is connected in series standby voltage stabilizing cleaning module by the input change-over switch and constitutes.
7, railway signal power supply screen as claimed in claim 1 is characterized in that: the primary standby structure of circuit module pass was N+1 in each shielded, and is promptly main with individual, standby 1 the primary standby structure relation of N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97103606 CN1179393A (en) | 1997-04-10 | 1997-04-10 | Railway signal power supply screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97103606 CN1179393A (en) | 1997-04-10 | 1997-04-10 | Railway signal power supply screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1179393A true CN1179393A (en) | 1998-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97103606 Pending CN1179393A (en) | 1997-04-10 | 1997-04-10 | Railway signal power supply screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1179393A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7710035B2 (en) | 2006-08-10 | 2010-05-04 | Lg Electronics Inc. | Plasma display apparatus omitting an exhaust unit |
| CN109442214A (en) * | 2018-10-24 | 2019-03-08 | 浙江浙能天然气运行有限公司 | A kind of natural gas station gas transmission method |
-
1997
- 1997-04-10 CN CN 97103606 patent/CN1179393A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7710035B2 (en) | 2006-08-10 | 2010-05-04 | Lg Electronics Inc. | Plasma display apparatus omitting an exhaust unit |
| CN109442214A (en) * | 2018-10-24 | 2019-03-08 | 浙江浙能天然气运行有限公司 | A kind of natural gas station gas transmission method |
| CN109442214B (en) * | 2018-10-24 | 2021-04-09 | 浙江浙能天然气运行有限公司 | Gas transmission method for natural gas station |
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