CN106696930A - Method and device for closed-loop regulation and control of brake pressure of train - Google Patents
Method and device for closed-loop regulation and control of brake pressure of train Download PDFInfo
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- CN106696930A CN106696930A CN201510770888.1A CN201510770888A CN106696930A CN 106696930 A CN106696930 A CN 106696930A CN 201510770888 A CN201510770888 A CN 201510770888A CN 106696930 A CN106696930 A CN 106696930A
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- 239000000523 sample Substances 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 14
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- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
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- 239000010959 steel Substances 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 description 6
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/70—Electrical control in fluid-pressure brake systems by fluid-controlled switches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1701—Braking or traction control means specially adapted for particular types of vehicles
- B60T8/1705—Braking or traction control means specially adapted for particular types of vehicles for rail vehicles
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a method and device for closed-loop regulation and control of brake pressure of a train. Closed-loop control on the brake pressure of the train is directly carried out through a driver brake controller by a digital command, a mechanical structure is simple, maintenance and repair costs are low, the consumption amount of compressed air is small (due to energy conservation of the train), idling braking time in a brake process is quite short, the brake speed is high, graduated release can be realized, excessive supply cannot be generated, brake pressure can be accurately controlled in real time in a brake process of the train, gliding of wheels can be prevented, safety and reliability can be improved further, and production costs generated by gliding scratching of wheels and steel tracks are greatly reduced. The bottleneck problem of brake for speed increasing of the train is solved. The method and device for closed-loop regulation and control of brake pressure of the train have the advantages that the method is advanced, safe and reliable, and a control mode of carrying out open-loop control on brake pressure of the train in an automatic air numerically controlled brake which uses a train tube pressure control-brake valve to work in recent hundreds of years is changed.
Description
Technical field
The present invention relates to automatic Train control field, particularly a kind of closed loop regulates and controls the method and device of train braking pressure.
Background technology
At present, the braking of China railways rolling stock is main automatic air numerical control brake system, the big type of electricity sky numerical control brake system two.It has in common that, is all brake hard, braking, pressurize, the alleviation for controlling train pipe air pressure variations to carry out the full train of opened loop control.With following deficiency：
Complicated in mechanical structure, control sensitivity is low, limit by air damping wave velocity, has idling braking time more long in braking procedure, it is impossible to implementation phase alleviation；Glut is susceptible to, empty and load is adjusted, it is necessary to additional adjustment mechanism.Increase train's tail device is needed just to can ensure that train safety in train operation；It is unable to automatic detection brake pressure simultaneously；Wheel sliding can not be automatically prevented from during brake hard.
The content of the invention
The purpose of the present invention is：The method and device that a kind of closed loop regulates and controls train braking pressure is provided, its simple structure, maintenance and repair takes low, and idling braking time is extremely short in braking procedure, real-time, accurate can control Block brake pressure, train braking distance is reduced, to overcome the deficiencies in the prior art.
What the present invention was realized in：The method that closed loop regulates and controls train braking pressure, increase an exhaust outlet on the checking cylinder of train, an electric pneumatic valve is respectively provided with the air inlet and exhaust outlet of checking cylinder, controller receives brake pressure signal, controller turns off or on air inlet or the electric pneumatic valve of exhaust outlet, so as to regulate and control the pressure of the working chamber of checking cylinder, to realize braking or alleviate；And brake pressure is detected, and in brake pressure feedback to the controller that will be detected, with predetermined brake pressure be compared the brake pressure of detection by controller, if the brake pressure of detection meets predetermined brake pressure request, the working condition for keeping checking cylinder current；Otherwise then regulate and control the operating pressure of checking cylinder by electric pneumatic valve, until the brake pressure of detection meets predetermined brake pressure request, so as to realize the closed loop regulation and control to train braking pressure.
Detection vehicle wheel rotational speed and train speed, the vehicle wheel rotational speed of detection is compared with train speed, if the fiducial value does not meet preset requirement, judges that wheel is slided, then automatic to reduce brake pressure, to prevent wheel sliding.
Closed loop regulates and controls the device of train braking pressure, including locomotive brake cylinder, vehicle checking cylinder, locomotive brake electric pneumatic valve is provided between the air inlet and train pipe of locomotive brake cylinder, locomotive brake cylinder pressure regulator valve is provided between locomotive brake electric pneumatic valve and train pipe, train pipe pressure regulator valve is provided between train pipe and blast main；Locomotive is provided with the exhaust outlet of locomotive brake cylinder and alleviates electric pneumatic valve；Locomotive brake electric pneumatic valve and locomotive are alleviated electric pneumatic valve and are all connected in electric pneumatic valve driving plate；Driver's brake monitor and vehicle brake controller are additionally provided with, electric pneumatic valve driving plate is connected with driver's brake monitor, driver's brake monitor is connected with vehicle number control movement controller；Locomotive brake pressure sensor, locomotive wheel speed probe and Doppler's Microwave Velocity radar module are also associated with driver's brake monitor；Vehicle braking electric pneumatic valve is provided between the air inlet and train pipe of vehicle checking cylinder, vehicle is provided with the exhaust outlet of vehicle checking cylinder and is alleviated electric pneumatic valve；Vehicle brakes electric pneumatic valve and vehicle is alleviated electric pneumatic valve and is all connected on vehicle number control movement controller, and vehicle brake pressure sensor, train tube pressure sensor and vehicle speed probe are also associated with vehicle number control movement controller.
There is the interface for being provided with locomotive monitoring equipment on driver's brake monitor.
The composition of described driver's brake monitor includes locomotive single-chip microcomputer integrated circuit, communication of locomotive integrated circuit is connected with locomotive single-chip microcomputer integrated circuit, locomotive photoelectric coupling integrated circuit one, locomotive photoelectric coupling integrated circuit two, locomotive analog-digital conversion ic and electrical locomotive power circuit board, driver's brake monitor panel and locomotive wheel speed probe interface are connected with locomotive photoelectric coupling integrated circuit one, locomotive electric pneumatic valve drive circuit plate interface is provided with locomotive photoelectric coupling integrated circuit two, communication of locomotive interface is provided with communication of locomotive integrated circuit, locomotive brake pressure sensor interface is provided with locomotive analog-digital conversion ic；Locomotive electric pneumatic valve drive interface is connected with electric pneumatic valve driving plate, and communication of locomotive interface is connected by connection cable and vehicle brake controller, locomotive brake pressure sensor interface with locomotive brake pressure sensor；Doppler's Microwave Velocity radar module is directly connected to locomotive single-chip microcomputer integrated circuit input port, and locomotive wheel speed probe is connected with locomotive wheel speed probe interface.
Described vehicle brake controller includes vehicle single-chip microcomputer integrated circuit, vehicle communication integrated circuit is connected with vehicle single-chip microcomputer integrated circuit, vehicle photoelectric coupling integrated circuit one, vehicle photoelectric coupling integrated circuit two, vehicle analog-digital conversion ic and vehicle power circuit plate, vehicle control panel circuit board and wheel of vehicle speed probe interface are connected with vehicle photoelectric coupling integrated circuit one, vehicle electric pneumatic valve interface is provided with vehicle photoelectric coupling integrated circuit two, vehicle communication interface is connected with vehicle communication integrated circuit, train tube pressure sensor interface and vehicle brake pressure sensor interface are connected with vehicle analog-digital conversion ic；Vehicle electrical sky valve-driving circuit interface brakes electric pneumatic valve with vehicle and vehicle is alleviated electric pneumatic valve and is connected, vehicle communication interface is connected with driver's brake monitor by connection cable, train tube pressure sensor interface is connected with train tube pressure sensor, and vehicle brake pressure sensor interface is connected with vehicle brake pressure sensor；Wheel of vehicle speed probe interface is connected with wheel of vehicle speed probe.
As a result of above technical scheme, the present invention uses the direct closed-loop control train braking pressure of digital command by driver's brake monitor, and mechanical structure is simple, and maintenance and repair takes low, and compressed air consumption is few（Train energy-saving,）Idling braking time is extremely short in braking procedure, retro-speed is fast, energy implementation phase is alleviated, glut will not occur, brake pressure can be accurately controlled during train braking in real time, wheel sliding can be prevented, so as to further enhance safety and reliability, is substantially reduced because wheel, rail rail slide the production cost that scratch is produced.Solve bottleneck-brake problem that train improves speed.The present invention has method advanced, safe and reliable, changes over more than hundred years automatic air numerical control brake using train tube pressure control-brake valve working condition come the control mode of opened loop control train braking pressure.The present invention not only can prevent with method reliability, easy implementation and effectively wheel sliding, greatly improve the advantage of rail vehicle security reliability, but also have the advantages that simple structure, safeguard easy, low manufacture cost and be entirely capable of compatible existing train.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the present invention；
Accompanying drawing 2 is the structural representation of driver's brake monitor；
Accompanying drawing 3 is the structural representation of the locomotive control panel of embodiments of the invention；
Accompanying drawing 4 is the structural representation of vehicle brake controller of the invention；
Accompanying drawing 5 is the structural representation of the vehicle control panel of embodiments of the invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiments of the invention：The method that closed loop regulates and controls train braking pressure, increase an exhaust outlet on the checking cylinder of train, an electric pneumatic valve is respectively provided with the air inlet and exhaust outlet of checking cylinder, controller receives brake pressure signal, controller turns off or on air inlet or the electric pneumatic valve of exhaust outlet, so as to regulate and control the pressure of the working chamber of checking cylinder, to realize braking or alleviate；And brake pressure is detected, and in brake pressure feedback to the controller that will be detected, with predetermined brake pressure be compared the brake pressure of detection by controller, if the brake pressure of detection meets predetermined brake pressure request, the working condition for keeping checking cylinder current；Otherwise then regulate and control the operating pressure of checking cylinder by electric pneumatic valve, until the brake pressure of detection meets predetermined brake pressure request, so as to realize the closed loop regulation and control to train braking pressure；Detection vehicle wheel rotational speed and train speed, the vehicle wheel rotational speed of detection is compared with train speed, if the fiducial value does not meet preset requirement, judges that wheel is slided, then automatic to reduce brake pressure, prevents wheel sliding.
Closed loop regulates and controls the device of train braking pressure, including locomotive brake cylinder 1, vehicle checking cylinder 2, locomotive brake electric pneumatic valve 3 is provided between the air inlet and train pipe 5 of locomotive brake cylinder 1, locomotive brake cylinder pressure regulator valve 4 is provided between locomotive brake electric pneumatic valve 3 and train pipe 5, train pipe pressure regulator valve 6 is provided between train pipe 5 and blast main；Locomotive is provided with the exhaust outlet of locomotive brake cylinder 1 and alleviates electric pneumatic valve 7；Locomotive brake electric pneumatic valve 3 and locomotive are alleviated electric pneumatic valve 7 and are all connected in electric pneumatic valve driving plate 8；Driver's brake monitor 9 and vehicle brake controller 10 are additionally provided with, electric pneumatic valve driving plate 8 is connected with driver's brake monitor 9, driver's brake monitor 9 is connected with vehicle brake controller 10 by connection cable 20（And first vehicle brake controller 10 is directly connected with driver's brake monitor 9, the vehicle brake controller 10 of vehicle below is connected each other by connection cable 20 successively）；Locomotive brake pressure sensor 11, locomotive wheel speed probe 12 and Doppler's Microwave Velocity radar module 13 are also associated with driver's brake monitor 9；Vehicle braking electric pneumatic valve 14 is provided between the air inlet and train pipe 5 of vehicle checking cylinder 2, vehicle is provided with the exhaust outlet of vehicle checking cylinder 2 and is alleviated electric pneumatic valve 15；Vehicle brakes electric pneumatic valve 14 and vehicle is alleviated electric pneumatic valve 15 and is all connected on vehicle brake controller 10, and vehicle brake pressure sensor 18, train tube pressure sensor 19 and vehicle speed probe 16 are also associated with vehicle brake controller 10；Locomotive monitoring equipment 17 is also associated with driver's brake monitor 9；The composition of described driver's brake monitor 9 includes locomotive single-chip microcomputer integrated circuit 9-1, communication of locomotive integrated circuit 9-2 is connected with locomotive single-chip microcomputer integrated circuit 9-1, the 9-3 of locomotive photoelectric coupling integrated circuit one, the 9-4 of locomotive photoelectric coupling integrated circuit two, locomotive analog-digital conversion ic 9-5 and electrical locomotive power circuit board 9-6, driver brake monitor panel 9-7 and locomotive wheel speed probe interface 9-10 is connected with the 9-3 of locomotive photoelectric coupling integrated circuit one, locomotive electric pneumatic valve drive circuit plate interface 9-8 is provided with the 9-4 of locomotive photoelectric coupling integrated circuit two, communication of locomotive interface 9-9 is provided with communication of locomotive integrated circuit 9-2, locomotive brake pressure sensor interface 9-11 is provided with locomotive analog-digital conversion ic 9-5；Locomotive electric pneumatic valve drive interface 9-8 is connected with electric pneumatic valve driving plate 8, and communication of locomotive interface 9-9 is connected by connection cable 20 with vehicle brake controller 9, and locomotive brake pressure sensor interface 9-11 is connected with locomotive brake pressure sensor 11；Doppler's Microwave Velocity radar module 13 is directly connected to locomotive single-chip microcomputer integrated circuit 9-1 input ports, and locomotive wheel speed probe 12 is connected with locomotive wheel speed probe interface 9-10；Described vehicle brake controller 10 includes vehicle single-chip microcomputer integrated circuit 10-1,Vehicle communication integrated circuit 10-2 is connected with vehicle single-chip microcomputer integrated circuit 10-1,The 10-3 of vehicle photoelectric coupling integrated circuit one,The 10-4 of vehicle photoelectric coupling integrated circuit two,Vehicle analog-digital conversion ic 10-5 and vehicle power circuit plate 10-6,Vehicle control panel circuit board 10-7 and wheel of vehicle speed probe interface 10-12 is connected with the 10-3 of vehicle electrical coupling integration circuit one,Driving vehicle electric pneumatic valve circuit interface 10-8 is connected with the 10-4 of vehicle photoelectric coupling integrated circuit two,Vehicle communication interface 10-9 is connected with vehicle communication integrated circuit 10-2,Train tube pressure sensor interface 10-10 and vehicle brake pressure sensor interface 10-11 is connected with vehicle analog-digital conversion ic 10-5；Vehicle electrical sky valve-driving circuit interface 10-8 brakes electric pneumatic valve 14 with vehicle and vehicle is alleviated electric pneumatic valve 15 and is connected, the connection of vehicle communication interface 10-9 and driver's brake monitor, train tube pressure sensor interface 10-10 is connected with train tube pressure sensor 19, and vehicle brake pressure sensor interface 10-11 is connected with vehicle brake pressure sensor 18；Wheel of vehicle speed probe interface 10-12 is connected with wheel of vehicle speed probe 16.
During specifically used, during train braking, the locomotive brake pressure that driver's brake monitor 9 is detected alleviates electric pneumatic valve 7, closes locomotive brake electric pneumatic valve 3 more than the command value of the brake pressure that driver's brake monitor 9 sends, the locomotive opened on locomotive brake cylinder 1；The working chamber compressed air pressure of locomotive brake cylinder 1 is reduced, locomotive brake pressure is reduced；And when command value of the locomotive brake pressure for detecting less than the brake pressure that driver's brake monitor 9 sends, the upper locomotive brake electric pneumatic valve 3 of locomotive brake cylinder 1 is opened, close locomotive and alleviate electric pneumatic valve 7.Increase the working chamber compressed air pressure of locomotive brake cylinder 1, the locomotive brake pressure for detecting is equal to the command value of the brake pressure that driver's brake monitor 9 sends；Be transferred to vehicle braking instruction in each vehicle brake controller 10 of vehicle in circuit transmission photoelectric coupling mode by numerical control driver's brake monitor data signal, vehicle brake controller 10 is according to control instruction, open the vehicle braking electric pneumatic valve 14 on vehicle checking cylinder 2, close vehicle and alleviate electric pneumatic valve 15, increase the working chamber compressed air pressure of vehicle checking cylinder 2；When detection brake pressure, command value of the vehicle brake pressure for detecting more than the brake pressure that driver's brake monitor 9 sends, the vehicle opened on vehicle checking cylinder 2 alleviates electric pneumatic valve 15, close vehicle braking electric pneumatic valve 14, the working chamber compressed air pressure of vehicle checking cylinder 2 is reduced, vehicle brake pressure is reduced；When the vehicle brake pressure for detecting is equal to the command value of the brake pressure that driver's brake monitor 9 sends, then close vehicle braking electric pneumatic valve 14 and vehicle alleviates electric pneumatic valve 15, vehicle brake pressure is maintained equal to the state of the command value of the brake pressure that driver's brake monitor 9 sends；Realize the closed loop regulation and control of rolling stock brake pressure.
In above-described embodiment, the operation principle of wherein electrical locomotive power circuit board 9-6 and vehicle power circuit plate 10-6 is passed through using 220v alternating currents, and the voltage of 220v is changed into 9v, again by producing 5v direct currents after rectifying and wave-filtering, secondary pressure, single-chip microcomputer and other circuits are supplied；Locomotive analog-digital conversion ic 9-5 and vehicle analog-digital conversion ic 10-5 can be using the conventional products in market, such as TM7711 or ADC0804；Locomotive single-chip microcomputer integrated circuit 9-1 and vehicle single-chip microcomputer integrated circuit 10-1 can use 8 single-chip microcomputers or 32 single-chip microcomputers, such as ATMTL89C51 series or STM32 series；Communication of locomotive interface 9-9 and vehicle communication interface 10-9 connections can use 485 integrated circuits, such as MAX485；Locomotive speed sensor 12 is arranged on gear-box of the locomotive with the first round pair at vehicle two ends with vehicle speed probe 16, the wheel turned in the detection unit interval is to number of gear teeth, can be using the product of commercially available various specific similar functions, each integrated circuit, sensor of Doppler's Microwave Velocity radar (Doppler Radar) module and remaining composition control circuit board etc. can use existing commercially available prod, its combination is the known approaches of those skilled in the art with annexation, just repeats no more herein.
In order to make it easy to understand, a kind of exemplary operations scheme is applicant provided, and there is provided a kind of specific press-key structure（I.e. equivalent to driver brake monitor panel 9-7 and vehicle control panel circuit board 10-7, but according to actual needs, those skilled in the art can be with the button design scheme of designed, designed）：Train pipe pressure reduction of the train braking level equivalent to automatic air brake machine is shown by charactron 1-2 during operation；When locomotive brake shoe pressure reaches set-point, locomotive brake cylinder pressurize, train effective unit brake shoe pressure, closed-loop control are shown in liquid crystal display 1-1；
1）Train alleviates control：Driver's point touches " fortune " 1-6 buttons, or receives the mitigation signal that train supervises device.Operation instruction is sent to vehicle checking cylinder controller 10.Open locomotive simultaneously to alleviate electric pneumatic valve 7, close locomotive brake electric pneumatic valve 3, rolling stock alleviates operation simultaneously, and charactron 1-2 shows 00；
2）
Train brake control：Driver's point touches " system " 1-3 buttons, or the brake signal for receiving train controller.Braking instruction is sent to vehicle.Simultaneously close off locomotive to alleviate electric pneumatic valve 7, open locomotive brake electric pneumatic valve 3, locomotive brake operation, charactron 1-2 shows 01；Brake signal to vehicle checking cylinder controller 10, vehicle braking are sent by connection cable 20；Vehicle effective unit brake shoe pressure is shown in liquid crystal display 1-1,
3）Increase braking force of train control："+" key 1-4 in the tactile numerical control driver brake monitor 1 of point is once, or receive the brake signal of train controller and send increase brake force to vehicle to instruct, close locomotive to alleviate electric pneumatic valve 7, open locomotive brake electric pneumatic valve 3, locomotive brake operation, charactron 1-2 display numerals increase successively；Brake signal to vehicle checking cylinder controller 10, vehicle braking are sent by connection cable 20；Vehicle effective unit brake shoe pressure, locomotive brake shoe pressure are shown in liquid crystal display 1-1；
4）Braking force of train control is reduced, driver's point touches " system " 1-5 buttons once, or the brake signal for receiving train controller.The instruction of reduction brake force is sent to vehicle once；Open locomotive to alleviate electric pneumatic valve 7, close locomotive brake electric pneumatic valve 3, locomotive alleviates operation, charactron 1-2 display numerals are reduced successively；Brake signal to vehicle checking cylinder controller 10 is sent by connection cable 20, vehicle brake shoe pressure is reduced；Vehicle effective unit brake shoe pressure, locomotive brake shoe pressure are shown in liquid crystal display 1-1；
5）Promptly automatically control：Driver presses emergency stop button, or the emergency brake signal for receiving vehicle control device and train controller.Vehicle checking cylinder controller 10 performs brake hard instruction, and locomotive is opened locomotive brake electric pneumatic valve 3, closes locomotive alleviation electric pneumatic valve 7, train brake hard.
No matter under any circumstance locomotive, can individually control locomotive brake force, and locomotive brake cylinder pressure gauge of the locomotive brake level equivalent to automatic air brake machine is shown by charactron 1-7；When locomotive brake shoe pressure power reaches set-point, locomotive brake cylinder pressurize, the actual brake shoe pressure of locomotive is shown in liquid crystal display 1-1；It is also closed-loop control：
6）" fortune " key 1-11 in the tactile numerical control driver brake monitor 1 of point, locomotive rapid recovery.Connect locomotive and alleviate electric pneumatic valve 7, locomotive brake electric pneumatic valve 3, locomotive operation, charactron 1-7 shows 00；The KN of locomotive brake shoe pressure 0 is shown in liquid crystal display 1-1
7）" system " key 1-8, connection locomotive brake electric pneumatic valve 3 in the tactile numerical control driver brake monitor 1 of point, closing locomotive alleviate electric pneumatic valve 7, locomotive first service；Charactron 1-7 shows 01,
8) in the tactile numerical control driver brake monitor 1 of point
"+" key 1-10 once, connects a locomotive brake electric pneumatic valve 3, and charactron 1-7 shows and increase successively, until the maximum braking level of locomotive,
9) the key "-" key 1-9 touched in numerical control driver brake monitor 1 is put once,
Connect a locomotive and alleviate electric pneumatic valve 7, close locomotive brake electric pneumatic valve 3, charactron 1-7 shows and reduce successively, until locomotive alleviates 00.
When train normally runs, when train speed reaches 10km per hour, automatic calibration machine car calculating speed detects locomotive wheel diameter, and the wheel diameter of vehicle calibrates car speed, detects the wheel diameter of vehicle automatically.
The vehicle control panel circuit board 10-7 of the present embodiment only needs to set charactron and parameter set button.
Claims (5)
1. a kind of method that closed loop regulates and controls train braking pressure, it is characterised in that：Increase an exhaust outlet on the checking cylinder of train, an electric pneumatic valve is respectively provided with the air inlet and exhaust outlet of checking cylinder, controller receives brake pressure signal, controller turns off or on air inlet or the electric pneumatic valve of exhaust outlet, so as to regulate and control the pressure of the working chamber of checking cylinder, to realize braking or alleviate；And brake pressure is detected, and in brake pressure feedback to the controller that will be detected, with predetermined brake pressure be compared the brake pressure of detection by controller, if the brake pressure of detection meets predetermined brake pressure request, the working condition for keeping checking cylinder current；Otherwise then regulate and control the operating pressure of checking cylinder by electric pneumatic valve, until the brake pressure of detection meets predetermined brake pressure request, so as to the closed loop for realizing train braking pressure regulates and controls.
2. method according to claim 1, it is characterised in that：Detection vehicle wheel rotational speed and train speed, the vehicle wheel rotational speed of detection is compared with train speed, if the fiducial value does not meet preset requirement, judges that wheel is slided, then automatic to reduce brake pressure, to prevent wheel sliding.
3. a kind of device for realizing the method for claim 1, including locomotive brake cylinder（1）, vehicle checking cylinder（2）, it is characterised in that：In locomotive brake cylinder（1）Air inlet and train pipe（5）Between be provided with locomotive brake electric pneumatic valve（3）, in locomotive brake electric pneumatic valve（3）With train pipe（5）Between be provided with locomotive brake cylinder pressure regulator valve（4）, in train pipe（5）Train pipe pressure regulator valve is provided between blast main（6）；In locomotive brake cylinder（1）Exhaust outlet be provided with locomotive alleviate electric pneumatic valve（7）；In locomotive brake cylinder（1）Air inlet be provided with locomotive brake electric pneumatic valve（3）；Locomotive brake electric pneumatic valve（3）And locomotive alleviates electric pneumatic valve（7）It is all connected to electric pneumatic valve driving plate（8）On；It is additionally provided with driver's brake monitor（9）And vehicle brake controller（10）, electric pneumatic valve driving plate（8）With driver's brake monitor（9）Connection, driver's brake monitor（9）With vehicle brake controller（10）By connection cable（20）Connection；In driver's brake monitor（9）On be also associated with locomotive brake pressure sensor（11）, locomotive wheel speed probe（12）And Doppler's Microwave Velocity radar module（13）；In vehicle checking cylinder（2）Air inlet and train pipe（5）Between be provided with vehicle braking electric pneumatic valve（14）, in vehicle checking cylinder（2）Exhaust outlet be provided with vehicle alleviate electric pneumatic valve（15）；Vehicle brakes electric pneumatic valve（14）And vehicle alleviates electric pneumatic valve（15）It is all connected to vehicle brake controller（10）On, in vehicle brake controller（10）On be also associated with vehicle brake pressure sensor（18）, train tube pressure sensor（19）And vehicle speed probe（16）；In driver's brake monitor（9）On locomotive monitoring equipment is also connected by interface circuit（17）.
4. device according to claim 3, it is characterised in that：Described driver's brake monitor（9）Composition include locomotive single-chip microcomputer integrated circuit（9-1）, in locomotive single-chip microcomputer integrated circuit（9-1）On be connected with communication of locomotive integrated circuit（9-2）, locomotive photoelectric coupling integrated circuit one（9-3）, locomotive photoelectric coupling integrated circuit two（9-4）, locomotive analog-digital conversion ic（9-5）And electrical locomotive power circuit board（9-6）, in locomotive photoelectric coupling integrated circuit one（9-3）On be connected with driver's brake monitor panel（9-7）And locomotive wheel speed probe interface（9-10）, in locomotive photoelectric coupling integrated circuit two（9-4）It is provided with locomotive electric pneumatic valve drive circuit plate interface（9-8）, in communication of locomotive integrated circuit（9-2）It is provided with communication of locomotive interface（9-9）, in locomotive analog-digital conversion ic（9-5）It is provided with locomotive brake pressure sensor interface（9-11）；Locomotive electric pneumatic valve drive interface（9-8）With electric pneumatic valve driving plate（8）Connection, communication of locomotive interface（9-9）By connection cable（20）With vehicle brake controller（9）, locomotive brake pressure sensor interface（9-11）With locomotive brake pressure sensor（11）Connection；Doppler's Microwave Velocity radar module（13）With locomotive single-chip microcomputer integrated circuit（9-1）Input port is directly connected to, locomotive wheel speed probe（12）With locomotive wheel speed probe interface（9-10）Connection.
5. device according to claim 3, it is characterised in that：Described vehicle brake controller（10）Including vehicle single-chip microcomputer integrated circuit（10-1）, in vehicle single-chip microcomputer integrated circuit（10-1）On be connected with vehicle communication integrated circuit（10-2）, vehicle photoelectric coupling integrated circuit one（10-3）, vehicle photoelectric coupling integrated circuit two（10-4）, vehicle analog-digital conversion ic（10-5）And vehicle power circuit plate（10-6）, in vehicle photoelectric coupling integrated circuit one（10-3）On be connected with vehicle control panel circuit board（10-7）And wheel of vehicle speed probe interface（10-12）, in vehicle photoelectric coupling integrated circuit two（10-4）It is provided with vehicle electrical sky valve-driving circuit plate interface（10-8）, in vehicle communication integrated circuit（10-2）On be connected with vehicle communication interface（10-9）, in vehicle analog-digital conversion ic（10-5）On be connected with train tube pressure sensor interface（10-10）And vehicle brake pressure sensor interface（10-11）；Vehicle electric pneumatic valve interface（10-8）Electric pneumatic valve is braked with vehicle（14）And vehicle alleviates electric pneumatic valve（15）Connection, vehicle communication interface（10-9）Pass through connection cable with driver's brake monitor（20）Connection, train tube pressure sensor interface（10-10）With train tube pressure sensor（19）Connection, vehicle brake pressure sensor interface（10-11）With vehicle brake pressure sensor（18）Connection；Wheel of vehicle speed probe interface（10-12）With wheel of vehicle speed probe（16）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510770888.1A CN106696930A (en) | 2015-11-12 | 2015-11-12 | Method and device for closed-loop regulation and control of brake pressure of train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510770888.1A CN106696930A (en) | 2015-11-12 | 2015-11-12 | Method and device for closed-loop regulation and control of brake pressure of train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106696930A true CN106696930A (en) | 2017-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510770888.1A Pending CN106696930A (en) | 2015-11-12 | 2015-11-12 | Method and device for closed-loop regulation and control of brake pressure of train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106696930A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113602245A (en) * | 2021-08-13 | 2021-11-05 | 眉山中车制动科技股份有限公司 | Pneumatic control train brake control mechanism and method |
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| GB190012508A (en) * | 1900-07-11 | 1901-06-01 | Waffen Und Munitions Fabriken | Improved Contrivance for Controlling the Working of Pneumatic Brakes for Railway Vehicles. |
| CN102632913A (en) * | 2012-05-08 | 2012-08-15 | 上海庞丰交通设备科技有限公司 | Deceleration control system for realizing automatic arrival parking of trains |
| CN102963344A (en) * | 2012-12-04 | 2013-03-13 | 北京二七轨道交通装备有限责任公司 | Control device of air braking system of rail vehicles |
| CN103895667A (en) * | 2014-04-17 | 2014-07-02 | 中国北车集团大连机车车辆有限公司 | Rapid brake and relieve device and method of parking brake cylinder of fireless loopback locomotive |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB190012508A (en) * | 1900-07-11 | 1901-06-01 | Waffen Und Munitions Fabriken | Improved Contrivance for Controlling the Working of Pneumatic Brakes for Railway Vehicles. |
| CN102632913A (en) * | 2012-05-08 | 2012-08-15 | 上海庞丰交通设备科技有限公司 | Deceleration control system for realizing automatic arrival parking of trains |
| CN102963344A (en) * | 2012-12-04 | 2013-03-13 | 北京二七轨道交通装备有限责任公司 | Control device of air braking system of rail vehicles |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113602245A (en) * | 2021-08-13 | 2021-11-05 | 眉山中车制动科技股份有限公司 | Pneumatic control train brake control mechanism and method |
| CN113602245B (en) * | 2021-08-13 | 2022-05-24 | 眉山中车制动科技股份有限公司 | Pneumatic control train brake control mechanism and method |
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