CN2571623Y - Power supply controller for train contact network - Google Patents
Power supply controller for train contact network Download PDFInfo
- Publication number
- CN2571623Y CN2571623Y CN 02277308 CN02277308U CN2571623Y CN 2571623 Y CN2571623 Y CN 2571623Y CN 02277308 CN02277308 CN 02277308 CN 02277308 U CN02277308 U CN 02277308U CN 2571623 Y CN2571623 Y CN 2571623Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- signal
- interrupt
- power supply
- charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to a power supply controller for train contact networks. The power supply controller for train contact networks comprises a microprocessor 1, a voltage and current signal feedback amplifying circuit 2, a fault interruption generating circuit 3, an interrupt source expander circuit 4, a synchronizing signal phase-locking frequency dividing circuit 5, a switching pulse triggering circuit 6, a charging pulse triggering circuit 7, a pulse protecting circuit 8, a charging phase shifting Pulse output circuit 19, a low address latch circuit 9, a peripheral storage 10, a fault display circuit 11, a reset circuit 12 and a direct-current supply circuit 20. The power supply controller for train contact networks can control the variance of the network voltage exactly and conduct a corresponding thyristor in a main circuit, so that a power supply system of a train contact network can supply stable AC current and can control the constant-current and constant-voltage charging, of an accumulator, and simultaneously, the power supply controller for train contact networks can judge faults and carry out responses. The utility model has the characteristics of high accuracy, high reliability and high intelligent degree.
Description
Technical field
The utility model belongs to train power supply power-supply system control setup, the train power supply power-supply system control setup that passes through the contact system power taking on particularly a kind of electric railroad.
Background technology
Large-scale maintenance machinery has become the main strength of China railways maintenance at present, all there is every day mechanization construction team to be active on ten thousand li railway lines, these construction teams are operation in the open air throughout the year, the war severe cold, the bucket heat, be the development of China railways, made huge contribution in particular for the speed-raising of railway in recent years.But construction team's living condition of these operations in the open air is very arduous, inconvenience, and wherein very important item one by one is exactly that the dormitory car electricity consumption is very inconvenient.The train of camping of mechanized construction team generally all is power taking from the bus stop on the way, be responsible for by the water power section, and the time that the train of camping is stopped at each station is all very short, and the water power section must frequently connect to construction team.And these on the way bus stop generally all be the small station, transformer capacity is all smaller on the small station, can't provide more high-capacity to the train of camping, train all has the diesel powerplant of providing for oneself so camp, many times, particularly in the time of summer and winter operation air-conditioning generally all by diesel powerplant to the train power supply of camping.A large amount of diesel oil have been consumed by the diesel powerplant generating, the noise that generator set sends has also caused interference to construction team member and surrounding resident, the capacity of diesel generation group is also little in addition, and a lot of consumers such as electromagnetic stove, electric shower-bath, electric refrigerator etc. can't use on the car.
Technology contents
Consider that the electrified mileage of present China railways is all increasing with very high speed every year, each backbone road is electrified substantially, electrified railway from now on will get more and more, purpose of the present invention be intended to on the train of camping of the mechanized construction team of the electrified interval operation of being everlasting, be equipped with can be directly from the train contact system power supply control setup of contact system power taking, its control circuit sampling network pressure value, according to the corresponding thyristor of variation conducting that net is pressed, the voltage of output 220 volts ± 10%.
It comprises that microprocessor 1, voltage and current signal feedback amplifier 2, fault interrupt producing circuit 3, Interrupt Source Expanded Circuit 4, synchronizing signal phase-locked frequency demultiplication circuit 5, switching pulse trigger circuit 6, charging pulse trigger circuit 7, pulse protection circuit 8, phase-shift pulse output circuit 19, low order address latch cicuit 9, peripheral storage 10, fault display circuit 11, reset circuit 12 DC power-supply circuits 20 charge;
Wherein said reset circuit 12 links to each other with the reseting port RST of microprocessor 1;
From the detected original edge voltage of train contact system power supply main circuit board, primary current, secondary voltage, secondary current, charging valtage, the charging current signal amplifies the A/D conversion port and the fault that input to microprocessor 1 after rectification is processed into 0-5V available voltage signal respectively through voltage and current signal feedback amplifier 2 and interrupts producing circuit 3, simultaneously after fault interrupts producing circuit 3 filtering amplification, produce six tunnel interrupt signals and input to Interrupt Source Expanded Circuit 4, and produce the outer interrupting input end mouth that an interrupt signal is fed through microprocessor 1 by Interrupt Source Expanded Circuit 4;
Described synchronizing signal phase-locked frequency demultiplication circuit 5 links to each other with switching pulse trigger circuit 6, the synchronizing signal rectifying circuit of this synchronizing signal phase-locked frequency demultiplication circuit 5 and active filter circuit are shaped as carefully and neatly done square-wave signal with main circuit board from the fitfull sine wave signal that Contact Line Detection goes out, and through the phase-locked and peripheral circuit frequency division of 4046 phaselocked loops, produce the clock signal of the sequence of high frequency pulses of a 38.4KHZ as the outside input of micro controller system, this pulse train is also delivered to charging phase-shift pulse output circuit 19 simultaneously, described charging phase-shift pulse output circuit 19 links to each other with the HSO output signal of microprocessor 1, and charging phase-shift pulse output circuit 19 links to each other with charging pulse trigger circuit 7; The thyristor switch circuit bank that the output pulse signal of these charging pulse trigger circuit 7 is delivered to the main circuit board charge circuit is controlled its conducting and is closed;
The P1 port control signal data bus of described microprocessor 1 exports switching pulse trigger circuit 6 to, and the Continuity signal that these switching pulse trigger circuit 6 produce exports the thyristor switch circuit bank in the main circuit board to, makes a way switch conducting wherein;
Also comprise a pulse protection circuit 8, this pulse protection circuit 8 is in parallel with not gate 74LS04 and constitute by the open-collector gate circuit of a GAL (programmable logic device (PLD)) and 7407 series connection backs; The P1.0-P1.5 signal of P1 inputs to the input end of GAL and 74LS04, to the sample level value of P1 mouth of GAL, the useful signal of compiling output maximum one tunnel is delivered to 7407 input port, have only when the output of 74LS04 and 7407 is high level, pulsed triggering circuit 7 is just exported a triggering and conducting signal to main circuit board;
The P3 mouth of microprocessor 1 and low order address latch cicuit 9 link to each other by bus, and P4 mouth and peripheral storage 10 link to each other by bus, and low order address latch cicuit 9 links to each other with peripheral storage 10;
Described peripheral storage 10 and fault display circuit 11 link to each other by data bus, and the fault display signal of fault display circuit 11 exports main circuit board to, goes the signal lamp of control fault display circuit to show;
Described DC power-supply circuit 20 is made of storage battery and peripheral circuit thereof, and the positive and negative 110V voltage of this storage battery is exported positive and negative 5V after DC converting, positive and negative 15V, and positive and negative 24V and positive and negative 48V direct supply use for the each several part circuit.
Description of drawings
Fig. 1 is the utility model functional block diagram;
Fig. 2 is microprocessor and memory circuit part main circuit schematic diagram;
Fig. 3 is genlock frequency division and trigger action, pulse protection circuit schematic diagram;
Fig. 4 is the DC power-supply circuit schematic diagram;
Fig. 5 is the pulse protection circuit principle schematic;
Fig. 6 interrupts producing schematic circuit diagram for fault.
The specific embodiment
Shown in Fig. 1-6, wherein:
Synchronizing signal phase-locked frequency demultiplication circuit 5 comprises operational amplifier A 8, A9, N7, N8 and peripheral circuit thereof, described switching pulse trigger circuit 6 comprise N4, N6, N9, N10, N11 and peripheral circuit thereof, and wherein N4 is 74LS74, and N11 is 74LS74, A8 is OP-07, and A9 is LM139.
The synchronizing signal rectifying circuit of synchronizing signal phase-locked frequency demultiplication circuit 5 has adopted active filter circuit, and the sine wave signal that contact system is not really regular is shaped as carefully and neatly done square-wave signal, has guaranteed that control circuit can capture zero crossing very accurately.The phase-locked frequency demultiplication circuit synchronousing signal is through behind the shaping circuit, phase-locked and the peripheral circuit frequency division by 4046 phaselocked loops, produce the sequence of high frequency pulses of a 38.4KHZ, this pulse train is as the clock signal of the outside input of micro controller system, not only will come the conducting thyristor groups with control signal (negative logic the is effective) combined action of micro controller system P1 mouth, and it also charges a battery a more accurate charging respective corners is provided, the triggering precision of battery circuit thyristor can be controlled in 0.5 ° of electric angle, peripheral frequency dividing circuit produces each cycle 6 sync break signals and is sent among 1 the hsi port HSI0, and frequency is 6 times of synchronous signal frequency (also being equivalent to contact system voltage signal frequency).
The positive and negative 110V vdc of storage battery inputs to DC converter CONVERT1, CONVERT2, CONVERT3 through safety box FUSE1, FUSE2, FUSE3 respectively in the DC supply road, form positive and negative 5V, positive and negative 15V, positive and negative 24V and positive and negative 48V direct supply export required each circuit to.
Fault interruption generation circuit 3 is made of the filter amplification circuit of six road same structures, original edge voltage from 2 inputs of voltage and current signal feedback amplifier, primary current, secondary voltage, secondary current, charging valtage, after the filter amplification circuit that charging current signal six road signals constitute via LM148 and peripheral circuit thereof is respectively handled, obtain six tunnel interrupt signals respectively, i.e. failure of current signal (PCURRENTINT), original edge voltage interrupt signal (PVOLTAGE INT), secondary current interrupt signal (SCURRENT INT), secondary voltage interrupt signal (SVOLTAGE INT), charging valtage interrupt signal (CHARGV INT) and charging current interrupt signal (CHARGI INT).
Interrupt Source Expanded Circuit 4 is made of N15, interrupt producing six tunnel interrupt signals of circuit 3 inputs through fault, be failure of current signal (PCURRENT INT), original edge voltage interrupt signal (PVOLTAGE INT), secondary current interrupt signal (SCURRENT INT), secondary voltage interrupt signal (SVOLTAGE INT), charging valtage interrupt signal (CHARGV INT) and charging current interrupt signal (CHARGI INT) input to the input end of this N15, its mouth links to each other with the exterior interrupt input port of microprocessor 1, and this N15 is a kind of programmable logic device (PLD) GAL16V80 when arbitrary incoming signal high level of time output for high level.
Therefore, dormitory car train contact system power supply mainly is divided into power circuit and control setup two parts, and power circuit is drawn 5 road voltages from high-tension transformer, uses synchronous transformer sample-synchronous signal to send into control circuit, charges a battery simultaneously; Train contact system power supply control setup of the present utility model is core with 80C196KC, and its main function has the conversion that realizes the multichannel thyristor, battery charge and failure judgment and handling.
80C196KC is a kind of performance-oriented 16 micro controller systems.EPROM27256 guarantees that then control program can require to obtain the expansion of large space according to reality, and the peripheral data memory device is growth data space effectively then, keeps institute's canned data.
The reset cycle of 80C196KC is kept several period of state, reset signal by this schmitt trigger CD4023 produce send into 80C196KC /the RESET pin on.
Pulse amplifying circuit; the spike train of conducting thyristor and battery charge outputs to power circuit by pulsed triggering circuit; in order to ensure maximum the conductings one tunnel at any time of thyristor groups on the power circuit; hardware has added first class of protection; the P1 mouth of CPU sends five path switching signal states, by GAL decoding, if the P1[1 of CPU: 5] the two-way low level signal arranged; then GAL has stopped the possibility of the above thyristor of while conducting two-way or two-way with closeall 5 tunnel outputs.
The 7407th, open-collector homophase device has only 7407 and 74LS04 output when being high level (greater than 1 volt), and Continuity signal just effectively.
Fault produces to be handled: fault produces by two kinds of situations: a kind of is to produce external interrupt by hardware, and another kind judges that by software detection the over-voltage and over-current fault is produced by external interrupt; Former limit secondary is under-voltage to be judged by software, all failure conditions all have corresponding fault-indicating lamp to show that behind the secondary trouble removal of former limit, system wait was resumed work in 100 seconds on the control panel of power cabinet, behind the charging over-voltage and over-current trouble removal, system wait was resumed work in 20 seconds.
Other requirements of control logic: when the thyristor switch normal operation, only allow a switch input (connection), rest switch all is in blockage, avoids the transformer secondary short circuit in winding fault of power circuit; When detecting line voltage and surpass 30KV and be lower than 19KV, send superpressure or under-voltage signal, the prompting user notices that net is pressed and has reached critical conditions; When being higher than 30.5KV, the fender guard action, interior implementation in 1 second is promptly fallen pantograph and is cut off the electricity supply; When output load current overload reaches 1.4 times of rated value (363A), block whole thyristor switchs fast.When major failure takes place, block whole thyristor switchs, and promptly fall pantograph rapidly; The normal order that drops into of device is: close the control source switch, make the control setup normal operation; Device just can normally move according to the variation of line voltage.
Corresponding thyristor in this device variation conducting power circuit that accurately earth mat is pressed, make train contact system powersupply system that stable alternating current is provided, and constant current, the constant-voltage charge of control storage battery, the while failure judgement also responds, have accurate, reliable characteristics, and intelligent degree height.
Claims (7)
1, a kind of train contact system power supply control setup is characterized in that it comprises that microprocessor (1), voltage and current signal feedback amplifier (2), fault interruption produce circuit (3), Interrupt Source Expanded Circuit (4), synchronizing signal phase-locked frequency demultiplication circuit (5), switching pulse trigger circuit (6), pulsed triggering circuit (7), pulse protection circuit (8), low order address latch cicuit (9), peripheral storage (10), fault display circuit (11), reset circuit (12) DC power-supply circuit (20);
Wherein said reset circuit (12) links to each other with the reseting port (RST) of microprocessor (1);
From the detected original edge voltage of train contact system power supply main circuit board, primary current, secondary voltage, secondary current, charging valtage, the charging current signal amplifies the A/D conversion port and the fault that input to microprocessor (1) after rectification is processed into 0-5V available voltage signal respectively through voltage and current signal feedback amplifier (2) and interrupts producing circuit (3), simultaneously after fault interrupts producing circuit (3) filtering amplification, produce six tunnel interrupt signals and input to Interrupt Source Expanded Circuit (4), and produce the outer interrupting input end mouth that an interrupt signal is fed through microprocessor (1) by Interrupt Source Expanded Circuit (4);
Described synchronizing signal phase-locked frequency demultiplication circuit (5) links to each other with switching pulse trigger circuit (6), the synchronizing signal rectifying circuit of this synchronizing signal phase-locked frequency demultiplication circuit (5) and active filter circuit are shaped as carefully and neatly done square-wave signal with main circuit board from the fitfull sine wave signal that Contact Line Detection goes out, and through the phase-locked and peripheral circuit frequency division of 4046 phaselocked loops, produce the clock signal of the sequence of high frequency pulses of a 38.4KHZ as the outside input of micro controller system, this pulse train is also delivered to charging phase-shift pulse output circuit (19) simultaneously, described charging phase-shift pulse output circuit (19) links to each other with the HSO output signal of microprocessor (1), and charging phase-shift pulse output circuit (19) links to each other with charging pulse trigger circuit (7); The thyristor switch circuit bank that the output pulse signal of these charging pulse trigger circuit (7) is delivered to the main circuit board charge circuit is controlled its conducting and is closed;
The P1 port control signal data bus of described microprocessor (1) exports pulsed triggering circuit (6) to, and the Continuity signal that this pulsed triggering circuit (6) produces exports the thyristor switch circuit bank in the main circuit board to, makes a way switch conducting wherein;
Also comprise a pulse protection circuit (8), this pulse protection circuit (8) is in parallel with not gate 74LS04 and constitute by the open-collector gate circuit of a GAL and 7407 series connection backs; The P1.0-P1.5 signal of P1 inputs to the input end of GAL and 74LS04, to the sample level value of P1 mouth of GAL, the useful signal of compiling output maximum one tunnel is delivered to 7407 input port, have only when the output of 74LS04 and 7407 is high level, pulsed triggering circuit (7) is just exported a triggering and conducting signal to main circuit board;
The P3 mouth of microprocessor (1) links to each other by bus with low order address latch cicuit (9), and the P4 mouth links to each other by bus with peripheral storage (10), and low order address latch cicuit (9) links to each other with peripheral storage (10);
Described peripheral storage (10) links to each other by data bus with fault display circuit (11), and the fault display signal of fault display circuit (11) exports main circuit board to, goes the signal lamp of control fault display circuit to show;
Described DC power-supply circuit (20) is made of storage battery and peripheral circuit thereof, and the positive and negative 110V voltage of this storage battery is exported positive and negative 5V after DC converting, positive and negative 15V, and positive and negative 24V and positive and negative 48V direct supply use for the each several part circuit.
2, a kind of train contact system power supply control setup as claimed in claim 1, it is characterized in that described microprocessor (1) is the 80C196KC micro controller system, described low order address latch cicuit (9) is made up of 74LS244 and 74LS373, and described peripheral storage (10) is made of EPROM27256 and RAM6116 and peripheral circuit thereof.
3, a kind of train contact system power supply control setup as claimed in claim 1, it is characterized in that described synchronizing signal phase-locked frequency demultiplication circuit (5) comprises operational amplifier A 8, A9, N7, N8 and peripheral circuit thereof, described switching pulse trigger circuit (6) comprise N4, N6, N9, N10, N11 and peripheral circuit thereof, wherein N4 is 74LS74, N11 is 74LS74, A8 is OP-07, and A9 is LM139.
4, a kind of train contact system power supply control setup as claimed in claim 1, it is characterized in that the positive and negative 110V vdc of storage battery inputs to DC converter CONVERT1, CONVERT2, CONVERT3 through safety box FUSE1, FUSE2, FUSE3 respectively in the described DC supply road, form positive and negative 5V, positive and negative 15V, positive and negative 24V and positive and negative 48V direct supply export required each circuit to.
5, a kind of train contact system power supply control setup as claimed in claim 1 is characterized in that described reset circuit (12) is that CD4023 and N14 are that 74CS123 and peripheral circuit thereof constitute by N13.
6, a kind of train contact system power supply control setup as claimed in claim 1, it is characterized in that described fault interruption generation circuit (3) is made of the filter amplification circuit of six road same structures, original edge voltage from voltage and current signal feedback amplifier (2) input, primary current, secondary voltage, secondary current, charging valtage, after the filter amplification circuit that charging current signal six road signals constitute via LM148 and peripheral circuit thereof is respectively handled, obtain the former limit of six tunnel interrupt signals respectively, i.e. failure of current signal (PCURRENT INT), original edge voltage interrupt signal (PVOLTAGE INT), secondary current interrupt signal (SCURRENT INT), secondary voltage interrupt signal (SVOLTAGE INT), charging valtage interrupt signal (CHARGV INT) and charging current interrupt signal (CHARGI INT).
7, a kind of train contact system power supply control setup as claimed in claim 1, it is characterized in that described Interrupt Source Expanded Circuit (4) is made of N15, interrupt producing six tunnel interrupt signals of circuit (3) input through fault, be failure of current signal (PCURRENT INT), original edge voltage interrupt signal (PVOLTAGE INT), secondary current interrupt signal (SCURRENT INT), secondary voltage interrupt signal (SVOLTAGE INT), charging valtage interrupt signal (CHARGV INT) and charging current interrupt signal (CHARGI INT) input to the input end of this N15, its mouth links to each other with the exterior interrupt input port of microprocessor (1), and this N15 is a kind of programmable logic device (PLD) GAL16V80 when arbitrary incoming signal high level of time output for high level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02277308 CN2571623Y (en) | 2002-09-20 | 2002-09-20 | Power supply controller for train contact network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02277308 CN2571623Y (en) | 2002-09-20 | 2002-09-20 | Power supply controller for train contact network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2571623Y true CN2571623Y (en) | 2003-09-10 |
Family
ID=33740941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02277308 Expired - Lifetime CN2571623Y (en) | 2002-09-20 | 2002-09-20 | Power supply controller for train contact network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2571623Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873772A (en) * | 2018-06-08 | 2018-11-23 | 安徽捷迅光电技术有限公司 | A kind of color selector breakdown judge display system |
| CN114167843A (en) * | 2021-12-08 | 2022-03-11 | 中车长春轨道客车股份有限公司 | High-voltage fault latching method for network system of motor train unit |
-
2002
- 2002-09-20 CN CN 02277308 patent/CN2571623Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873772A (en) * | 2018-06-08 | 2018-11-23 | 安徽捷迅光电技术有限公司 | A kind of color selector breakdown judge display system |
| CN108873772B (en) * | 2018-06-08 | 2021-05-04 | 安徽捷迅光电技术有限公司 | Color sorter fault judgment display system |
| CN114167843A (en) * | 2021-12-08 | 2022-03-11 | 中车长春轨道客车股份有限公司 | High-voltage fault latching method for network system of motor train unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102882268B (en) | Undisturbed uninterruptible power supply device | |
| CN201726182U (en) | High voltage ultracapacitor power battery charger | |
| CN105610312A (en) | Cascaded frequency converter and power unit | |
| CN106093622A (en) | Super, extra-high voltage direct-current transmission TCU structure converter valve components IGCT level pilot system | |
| CN110492600B (en) | Novel intelligent direct-current power supply system of transformer substation and maintenance method | |
| CN101980419B (en) | Automatic control device for vacuum circuit breaker on electric distribution network | |
| CN103326385B (en) | Pulverized coal feeder frequency converter control system with low voltage ride-through power supply device | |
| CN201994717U (en) | Control device for supplying power to breaker control units | |
| CN105743068A (en) | Var generator protection system | |
| CN205377379U (en) | Electric locomotive machine that charges | |
| CN2571623Y (en) | Power supply controller for train contact network | |
| CN201726115U (en) | Voltage fluctuation delay protective device of contactor | |
| CN112994000A (en) | Device for supplying power to 5G base station by using street lamp power supply system and working method thereof | |
| CN201163723Y (en) | Apparatus for maintaining continuous operation of frequency convertor when instantaneous power supply failure | |
| CN205709258U (en) | Elevator standby electricity management and control system | |
| CN101256705A (en) | Equipment control system alarming device with voice and remote prompting control | |
| CN201211845Y (en) | Light rail vehicle auxiliary inverter parallel arrangement | |
| CN2459807Y (en) | Intelligent high-frequency switch dc power source | |
| CN204012651U (en) | A kind of direct current leakage protection circuit | |
| CN203632205U (en) | Anti-fluctuation module operating in bypass mode | |
| CN109795331A (en) | Municipal rail train wind-power electricity generation energy utilization system and its control method | |
| CN206147059U (en) | Simple and easy direct current breaker function test appearance | |
| CN101259829A (en) | Light rail vehicle auxiliary inverse power supply parallel device and control method thereof | |
| CN203084143U (en) | Island detection apparatus of photovoltaic grid-connected power generation system | |
| CN103481799A (en) | Traction power supply control device and traction power supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120920 Granted publication date: 20030910 |