CN2203942Y

CN2203942Y - Fully electronized independent control unit for rail-vehicle brake

Info

Publication number: CN2203942Y
Application number: CN 94247955
Authority: CN
Inventors: 汤百华; 刘学徽; 聂华; 郭祥熹
Original assignee: Institute Of Communication And Signaling Academy Of Science Ministry Of Railways
Current assignee: Institute Of Communication And Signaling Academy Of Science Ministry Of Railways
Priority date: 1994-12-23
Filing date: 1994-12-23
Publication date: 1995-07-26
Anticipated expiration: 2004-12-23

Abstract

The fully electronized independent control unit for a rail-vehicle brake of the utility model is the controller of the rail-vehicle brake in rail-vehicle grouping stations, which relates to the technical field of computer, integrated circuit, etc. and belongs to the railway traffic signal control device. The utility model is characterized in that the railways is taken as the target, each railway is corresponding to an independent control unit, the control unit independently collects information, issues commands, receives the instruction from the control station and display the detection and control data, and the control unit is provided with manual and automatic boards composed of a single-chip computer, an integrated circuit and electronic components. The utility model solves the problems that the machine frame of the original device has large volume, the components are vulnerable, the real time control accuracy is low, the maintenance is inconvenient, etc.

Description

Fully electronized independent control unit for rail-vehicle brake

The utility model hump decelerator all electronic independent control unit is a marshaling yard hump decelerator control setup, relates to Computer Control Technology and electronic circuit, integrated circuit technique, belongs to railway traffic signal control equipment.

The S. A. or the autonomous cruise speed system of the existing marshalling station of China railways hump all adopt the relay logic combinational circuit, therefore exist the frame volume big, and it is many to take machine room area, precision of real time control is low, components and parts are fragile, and poor reliability and maintenance are inconvenient, shortcomings such as price height.

The purpose of this utility model is exactly to overcome the shortcoming that above-mentioned prior art exists, in the hump decelerator control system, cancel relay, design a kind of retarder independent control unit that adopts integrated circuit and electronic component to constitute, in order to all electronic of realizing in the hump decelerator computer controlled.

The purpose of this utility model can realize in the following manner.With the station track is object, and per share road is equipped with an identical control unit, independent Information Monitoring and issue control command, the independent console instruction that receives shows measuring and control data, and directly with monitor microcomputer and get in touch.Specific design is as follows: each independent control unit is provided with manual plate I and automatic plate II.

Constituting of its manual plate I: the station track selects the input end of circuit 4 to be connected with control desk station track button NDA, mouth connects maintenance/cancellation maintenance control circuit 5 and automatic plate II respectively, the input end of maintenance control circuit 5 also connects cancellation inspection button QJXA respectively, inspection button JXA, its mouth connects maintenance expression JXB respectively, work/inspecting state change-over circuit 8-1,8-2, the input end of braking/alleviation control command input circuit 6 connects stop button ZA respectively, alleviate button HA, mouth connects manually/S. A., automated manner change-over circuit 7, another input end of change-over circuit 7 is connected with automatic plate II, its mouth connects work/inspecting state change-over circuit 8-1 respectively, 8-2, state switching circuit 8-1, the mouth of 8-2 respectively with braking/alleviation executive circuit 9-1,9-2 connects, executive circuit 9-1, the mouth of 9-2 respectively with outdoor each retarder braking electromagnetic valve 1ZT, 2ZT, retarder release electromagnetic valve 1HT, 2HT connects, the input end connection reducer braking expression switch 1ZK of braking expression input circuit 10,2ZK, its mouth connects braking expression ZDB and automatic plate II, input end and the retarder of alleviating expression input circuit 11 are alleviated expression switch 1HK, 2HK connects, and its mouth connects alleviates expression HJB and automatic plate II;

Constituting of its automatic plate II: host circuit 12 respectively with wheel sensor signal processing circuit 13, radar signal input circuit 14, radar self check control command output circuit 15, survey long signal input circuit 16, communication drivers/acceptor circuit 17, failure alarm circuit 18, guarantee manual priority circuit 19, I/O expansion port circuit 20 and palm I, constant speed encoding board VII connects, circuit 13 again respectively with wheel sensor TB1, TB2 connects,

circuit

14,15 are connected with the radar VIII respectively again, circuit 16 is connected with the long equipment IX of survey again, circuit 17 is connected with the monitoring PC again, circuit 18 is connected with the alarm board VI again, circuit 19 also with manual plate I, stop button ZA, alleviating button HA connects.

Partly to have utilized application number be 94204013.9 utility model patent technology to relevant radar velocity measurement in the design.

The utility model compared with prior art has the following advantages:

1. owing to integrated level height of the present utility model, significantly reduce so take machine room area; The raising of integrated level makes components and parts reduce, and reliability improves, and having accomplished does not basically have maintenanceization; 2. fully phase out relay, shortened the delay time of total system greatly, improved control accuracy; 3. the employing all electronic has reduced energy consumption, has also reduced cost simultaneously, and field maintemance is also easier; 4. adopt the mode of independent control, each station track control unit equipment room does not have contact, one station track breakdown of equipment can not have influence on the operation of other station track, and maintenance only needs to change the plug-in unit of relevant station track, has improved the fault-tolerant ability of whole hump field retarder control system greatly.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the utility model schematic appearance, and 1 is rack among the figure, and 2 is automatic plate, and 3 is manual plate;

Fig. 2 is that manual plate connects block diagram;

Fig. 3 is that automatic plate connects block diagram;

Fig. 4 is manual/S. A., automated manner change-over circuit schematic diagram;

Fig. 5 is for guaranteeing the manual priority schematic circuit diagram.

In the present embodiment manually/S. A., the main composition of automated manner change-over circuit 7 is, be provided with latch U2 and data selector/multiple way switch U3, the port one Q of latch U2 is connected with the port one B of data selector/multiple way switch U3, the end 1R of latch U2 connects stop button ZA, its end 1S1 is connected the back and is connected with alleviation button HA with end 1S2, the end 1A of data selector/multiple way switch U3, end 2A is connected with main frame 12 in the automatic plate II respectively, its end ()/(A)/B is connected its mouth 1Y with the 1Q end of circuit 19,2Y connects respectively to circuit 8-1,8-2(is referring to Fig. 4).

The main composition that guarantees manual priority circuit 19 is, be provided with binary pair U4, positive AND circuit U5, just be connected respectively and alleviating button HA, stop button ZA with input end 3A, the 3B of door U5, its mouth 3Y connects presetting of binary pair U4 and holds 1PR, the removing end 1CLR of binary pair U4 is connected through the main frame 12 of capacitor C 4 with automatic plate II, capacitor C 4 two ends are connected with power supply through resistance R 6, R7 respectively, resistance R 7 parallel diode D1, the mouth 1Q of binary pair U4 connect the circuit 7(of manual plate I referring to Fig. 5).

The principle of work of manual plate and automatic plate is as follows in the utility model:

Manual plate I (referring to Fig. 2), after pressing certain station track button nDA, produce control signal by circuit 4 and reach circuit 5 and automatic plate II, at this moment overhaul or cancel inspection operation and only the retarder of this station track is worked, do not influence the normal operation of other station track retarder, simultaneously, the constant speed that automatic plate provides also is the constant speed of this station track.After pushing inspection button JXA, circuit 5 produces the maintenance control command, make circuit 8 be in inspecting state, and it is invalid that stop button ZA and alleviation button HA are operated, and after pressing cancellation inspection button QJXA, the control command that circuit 5 produces makes circuit 8 in running order, after pressing the button ZA or HA, order reaches circuit 7 by circuit 6, and at this moment circuit 7 just suppresses S. A. or the autocommand that automatic plate sends, and makes manual command reach circuit 9 and execution through circuit 8.After the retarder action, first and second retarder braking, alleviate the collected circuit 10 of break-make and 11 of expression switch 1ZK, 2ZK, 1HK, 2HK, and produce the gentle expression HJB signal of separating of braking expression ZDB and reach control desk and plate automatically.

Automatic plate II (referring to Fig. 3), when the wheel process is installed on the wheel sensor at retarder section top, signal by the sensor generation reaches circuit 12 after circuit 13 processing, handle for scm software, and generation retarder section Seize ACK message passes to the control desk demonstration by circuit 20 drivings.Simultaneously, micro controller system sends the order of testing the speed and reaches radar through circuit 15, and radar is tested the speed to slipping car, and with the Doppler range rate measurement signal through circuit 14 input circuits 12, calculate the speed of a motor vehicle by software again, after circuit 20 drives, on control desk, show; When the S. A. mode, send braking, alleviating order controls retarder, make the slide car leave the speed of retarder section as far as possible near constant speed, the operation of braking and alleviation button ZA, HA can obtain prepreerence execution under any way, its assurance is the effect of circuit 19, software has the function of monitor run, just often signals to the alarm board VI through circuit 18, and control desk and rack all display routine are normal; Circuit 18 signals to the alarm board VI again when unusual, and control desk and rack all display routine are unusual, and carry out audible alarm.Micro controller system is communicated by letter with monitoring machine V at any time by circuit 17, so that show and the printing operating mode.

In the present embodiment, the main frame 12 in the automatic plate adopts micro controller systems; Integrated package U2 adopts 74,279 four

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Latch, integrated package U3 adopt 7,4HC,157 four 2-1 line data selector/multiple way switchs, and integrated package U4 is the two D type positive edge binary pairs of 74HC74, integrated package U5 be 74H,C08 42 inputs just with door.

Claims

1, a kind of hump decelerator all electronic independent control unit, it is a component part of hump decelerator autonomous control system, it is connected with other relative section in hump control desk, velocity radar, field apparatus and the system respectively, it is characterized in that per share road correspondence is provided with an independent control unit, this control unit is provided with manual plate (I) and automatic plate (II);

Constituting of its manual plate (I): the station track selects the input end of circuit (4) to be connected with control desk station track button (NDA), mouth connects maintenance/cancellation maintenance control circuit (5) and automatic plate (II) respectively, the input end of maintenance control circuit (5) also connects cancellation inspection button (QJXA) respectively, inspection button (JXA), its mouth connects maintenance expression (JXB) respectively, work/inspecting state change-over circuit (8-1), (8-2), the input end of braking/alleviation control command input circuit (6) connects stop button (ZA) respectively, alleviate button (HA), mouth connects manually/S. A., automated manner change-over circuit (7), another input end of change-over circuit (7) is connected with automatic plate (II), its mouth connects work/inspecting state change-over circuit (8-1) respectively, (8-2), state switching circuit (8-1), mouth (8-2) respectively with braking/alleviation executive circuit (9-1), (9-2) connect, executive circuit (9-1), mouth (9-2) respectively with outdoor each retarder braking electromagnetic valve (1ZT, 2ZT), retarder release electromagnetic valve (1HT, 2HT) connect, the input end connection reducer braking expression switch (1ZK of braking expression input circuit (10), 2ZK), its mouth connects braking expression (ZDB) and automatic plate (II), input end and the retarder of alleviating expression input circuit (11) are alleviated expression switch (1HK, 2HK) connect, its mouth connects alleviates expression (HJB) and automatic plate (II);

Constituting of its automatic plate (II): host circuit (12) respectively with wheel sensor signal processing circuit (13), radar signal input circuit (14), radar self check control command output circuit (15), survey long signal input circuit (16), communication drivers/acceptor circuit (17), failure alarm circuit (18), guarantee manual priority circuit (19), I/O expansion port circuit (20) and palm (I), constant speed encoding board (VII) connects, circuit (13) again respectively with wheel sensor (TB1, TB2) connect, circuit (14), (15) be connected with radar (VIII) respectively again, circuit (16) is connected with the long equipment of survey (IX) again, circuit (17) is connected with the monitoring PC again, circuit (18) is connected with alarm board (VI) again, circuit (19) also with manual plate (I), stop button (ZA), alleviating button (HA) connects.

2, hump decelerator all electronic independent control unit according to claim 1 is characterized in that:

Manually/S. A., the main composition of automated manner change-over circuit (7) is, be provided with latch (U2) and data selector/multiple way switch (U3), the port (1Q) of latch (U2) is connected with the port (1B) of data selector/multiple way switch (U3), the end (1R) of latch (U2) connects stop button (ZA), its end (1S1) is connected the back and is connected with alleviation button (HA) with end (1S2), the end (1A) of data selector/multiple way switch (U3), end (2A) is connected with main frame (12) in the automatic plate (II) respectively, (()/(A)/B) is connected its mouth (1Y with (1Q) end of circuit (19) to its end, 2Y) connect respectively to circuit (8-1,8-2);

The main composition that guarantees manual priority circuit (19) is, be provided with binary pair (U4), positive AND circuit (U5), just with the input end (3A of door (U5), 3B) connect alleviation button (HA) respectively, stop button (ZA), what its mouth (3Y) connected binary pair (U4) presets end (1PR), the removing end (1CLR) of binary pair (U4) is connected through the main frame (12) of electric capacity (C4) with automatic plate (II), electric capacity (C4) two ends are respectively through resistance (R6, R7) be connected with power supply, resistance (R7) parallel diode (D1), the mouth (1Q) of binary pair (U4) connects the circuit (7) of manual plate (I).