CN102180165B - Method and system for preventing applied accidental parking brake on railway train - Google Patents
Method and system for preventing applied accidental parking brake on railway train Download PDFInfo
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- CN102180165B CN102180165B CN 201110097823 CN201110097823A CN102180165B CN 102180165 B CN102180165 B CN 102180165B CN 201110097823 CN201110097823 CN 201110097823 CN 201110097823 A CN201110097823 A CN 201110097823A CN 102180165 B CN102180165 B CN 102180165B
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Abstract
The invention discloses a method and a system for preventing applied accidental parking brake on a railway train, and aims at solving the problems of the prior art that the applied accidental parking brake causes wheel rubbing and the like. The system for preventing applied accidental parking brake on the railway train comprises a control module, a speed sensor, a pressure sensor and a parking brake train-line breaking control circuit, wherein the parking brake train-line breaking control circuit consists of a first relay and a second relay, the input end of the first relay is connected with the control module, the output end of the first relay is connected in series with input end of the second relay and a parked train line state detection circuit, the output end of the second relay is connected with an emergent exhaust valve; and the control module is connected with a cab display, and controls the input end of the first relay to act according to the set values of the speed sensor and the pressure sensor and the state of the parked train line state detection circuit. The invention can detect the parking brake state, and prevent the situations that under the condition that a parking brake device is broken or a driver is mistakenly operated and the like, the parking brake is not released and the train is started for running and causes the accidents of wheel rubbing and the like.
Description
Technical field
The present invention relates to a kind of track train Brake Control, particularly a kind ofly train is carried out the mode of Real Time Monitoring and then prevent the method and system of applied accidental parking brake on railway train by local brak control unit.
Background technology
At present, in the speed per hour of China's traditional diesel locomotive traction in 160km and the train below the 160km, brake system is mainly with mechanical equipment and pneumatic equipment control, do not possess the train parking brake system, when train is parked, generally be placed on wheel and interorbital with skate and prevent from slipping car, use inconvenience also dangerous.In novel EMU, possessed parking brake system, the driver presses parking in the driver's cab and applies button, brake system can be controlled impulse electromagnetic valve in the parking brake control setup of each trailer and be in the electromagnet action that applies station and make the outside exhaust of Parking Brake Cylinders, apply certain braking force by spring to train, prevent from slipping car; The driver presses the alleviation button in the driver's cab, and impulse electromagnetic valve is in the electromagnet action control of alleviating station to be inflated in Parking Brake Cylinders, removes the braking force that spring applies, and train can normally move; But in actual use, because in the situations such as parking brake device fault or driver's maloperation, parking brake can be applied by accident when train is in the nonstatic state, the parking brake device failure ratio is stuck and can't cancel spring force such as the spring that train is applied parking brake power, Parking Brake Cylinders gas leakage or control circuit board damage etc., driver's maloperation is such as not pressing parking brake alleviation button and starting train operation etc., all can make train be in the parking brake state, parking brake device applies braking force to train, and this moment train just with certain speed in advancing, cause accidents such as produce wiping wheel.
Summary of the invention
The invention provides a kind of method and system that prevent applied accidental parking brake on railway train, in order to solve defective of the prior art, improve the brake system function, realize Intellectualized monitoring.
The embodiment of the invention provides a kind of method that prevents applied accidental parking brake on railway train, may further comprise the steps:
1) local brak control unit difference Negotiation speed sensor gathers the speed signal of train, by the air pressure signal in the pressure sensor collection Parking Brake Cylinders, parks the train-line status signal by parking the collection of train-line state-detection loop;
2) judge that by control module whether the value V of described speed signal is greater than preset value V
0, whether the value P of pressure signal is less than preset value P
0, whether the value of parking the train-line status signal is 1;
3) if step 2) in three conditions all satisfy, then carry out step 4), if wherein at least one condition do not satisfy then carry out step 5);
4) it is closed to control the input end of the first relay by control module, the normally closed contact of the first relay output end disconnects, so that the coil blackout of the second relay that input end is connected with described the first relay output end, train-line state-detection loop is parked in disconnection, the value that park the train-line status signal this moment is 0, the normally closed contact of the second relay output end disconnects, the emergency exhaust valve dead electricity of connecting with this second relay output end, the emergency exhaust valve makes train pipe air draft, apply the emergency brake; Local brake unit is sent to the driver's cab telltale by the multifunctional train bus with the state that detects, and the prompting driver carries out fault handling;
5) input end of controlling the first relay by control module disconnects, the normally closed contact of the first relay output end is closed, so that the coil of the second relay that input end is connected with described the first relay output end gets electric, closure is parked train-line state-detection loop, the value of parking the train-line status signal this moment is that the normally closed contact of 1, the second relay output end is closed, and the emergency exhaust valve of connecting with this second relay output end gets electric, not air draft of train pipe, not apply the emergency brake.
The embodiment of the invention provides a kind of system that prevents applied accidental parking brake on railway train, comprises local brak control unit, and described local brak control unit comprises:
Speed sensor is for detection of train running speed;
Pressure sensor is for detection of the Parking Brake Cylinders internal air pressure;
Park train-line state-detection loop, for detection of parking the train-line state;
The parking brake train-line disconnects control circuit, comprise the first relay and the second relay, the input end link control module of described the first relay, the mouth of described the first relay connect the second relay input end and park train-line state-detection loop, the mouth of the second relay connects the emergency exhaust valve and is used for to the train pipe air draft with apply the emergency brake; The first relay is the moving fault relay, and the second relay is dynamic circuit connector type relay;
Control module is provided with input end, mouth and control end, and this input end connects described speed sensor, pressure sensor and parks train-line state-detection loop; This mouth connects driver's cab telltale, and control end is controlled the input end action of described the first relay according to the setting value of described speed sensor, pressure sensor and the state of parking train-line state-detection loop.
The method that prevents applied accidental parking brake on railway train provided by the invention, detect train speed by local brak control unit, the Parking Brake Cylinders inner air pressure, park the train-line state, if current train speed is greater than certain value, and the Parking Brake Cylinders inner air pressure is less than certain value, if there is the regular hour in this state continuance, local brak control unit is thought to have applied parking brake in the train nonstatic situation, then can control the parking brake train-line by control module and disconnect control circuit triggering emergency braking, force Train Stopping, report to the driver's cab telltale by the multifunctional train bus simultaneously, the prompting driver checks whether parking brake device is normal.
Description of drawings
Fig. 1 is the schematic flow sheet of the embodiment one of the present invention's method of preventing applied accidental parking brake on railway train.
Fig. 2 is the schematic flow sheet of the embodiment two of the present invention's method of preventing applied accidental parking brake on railway train.
Fig. 3 is the structural representation of the embodiment reference state one of the present invention system of preventing applied accidental parking brake on railway train.
Fig. 4 is the structural representation of the embodiment reference state two of the present invention system of preventing applied accidental parking brake on railway train.
Reference numeral:
Local brak control unit 1; Speed sensor 11; Pressure sensor 12;
Park train-line state-detection loop 13; Control module 15;
The parking brake train-line disconnects control circuit 14; The first relay K 1;
The second relay K 2; Input end S1; Parking brake control unit 2;
Driver's cab telltale 30; Hand switch 21; Park and apply electromagnet M2;
Park and alleviate station T1; Parking Brake Cylinders 40; Park and apply station T2.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment one
Such as Fig. 1, Fig. 3, shown in Figure 4, the invention provides a kind of method that prevents applied accidental parking brake on railway train, may further comprise the steps:
1) local brak control unit 1 difference Negotiation speed sensor 11 gathers the speed signal of trains, by the air pressure signal that pressure sensor 12 gathers in the Parking Brake Cylinders 40, park the train-line status signal by parking 13 collections of train-line state-detection loop;
2) program set in advance of control module 15 internal operations is set with speed, pressure and parks three conditions of train-line in this program, be respectively judge speed signal value V whether greater than preset value V
0, whether the value P of pressure signal is less than preset value P
0, whether the value S that parks the train-line status signal is 1, namely parks train-line and whether is in "on" position;
3) when step 2) in three conditions situation about all satisfying under, i.e. V＞V
0, P＜P
0And S=1, then carry out step 4), control module 15 disconnects control circuit 14 actions by driving the parking brake train-line, disconnect and park train-line, to give the train apply the emergency brake, so that the driver carries out fault handling, avoid causing nonstatic state accident to apply parking brake because Parking Brake Cylinders 40 internal pressures are excessively low, cause the wheel accident of wiping; If wherein at least one condition does not satisfy, V≤V
0Or P 〉=P
0Or S=0 or V≤V
0, P 〉=P
0Or V≤V
0, S=0 or P 〉=P
0, S=0 or V≤V
0, P 〉=P
0, S=0; Then carry out step 5);
4) as shown in Figure 3, the input end S1 that controls the first relay K 1 is closed, then the normally closed contact S2 of the first relay K 1 mouth disconnects, so that the coil blackout of the second relay K 2 that input end is connected with the first relay K 1 mouth, park train-line state-detection loop 13 thereby disconnect, the value that park the train-line status signal this moment is 0, the normally closed contact S3 of the second relay K 2 mouths disconnects, emergency exhaust valve 10 dead electricity of connecting with these the second relay K 2 mouths, make train pipe 20 outside exhausts, apply the emergency brake; Local brake unit is sent to driver's cab telltale 30 by the multifunctional train bus with the state that detects, and the prompting driver carries out fault handling;
5) as shown in Figure 4, input end S1 by control module 15 controls the first relay K 1 disconnects, the normally closed contact S2 of the first relay K 1 mouth is closed, so that the coil of the second relay K 2 that input end is connected with the first relay K 1 mouth gets electric, thereby closure is parked train-line state-detection loop 13, the value that park the train-line status signal this moment is 1, the normally closed contact S3 of the second relay K 2 mouths is closed, the emergency exhaust valve 10 of connecting with these the second relay K 2 mouths gets electric, train pipe 20 not exhausts, not apply the emergency brake.Train normally moves.
Embodiment two
In above-mentioned steps 4) also comprise:
41) the driver operation hand switch 21, so that impulse electromagnetic valve 22 actions enter the parking brake relieved state to Parking Brake Cylinders 40 interior inflations.
If because driver's maloperation, when parking brake is not alleviated and start train operation, then can to detect the air pressure of parking in the cylinder be zero to pressure sensor, at this moment, and train speed V＞V
0Park train-line and be in conducting state, satisfy three above-mentioned conditions, then control module can drive the action of parking brake train-line disconnection control circuit, disconnect and park train-line by controlling the first relay, so that the second relay electric-loss, urgent train-line is disconnected, this moment emergency exhaust valve dead electricity, make the train pipe air draft, drive the emergency braking control device apply the emergency brake, local brake unit is by the multifunctional train bus, the state that detects is sent to the driver's cab telltale, the prompting driver carries out fault handling, at this moment, and the driver operation hand switch, hand switch is applied station T2 and is converted to park and alleviates station T1 from parking, at this moment, parking of impulse electromagnetic valve applies electromagnet M2 dead electricity, parks alleviation electromagnet M1 and gets electric, impulse electromagnetic valve is inflated in Parking Brake Cylinders, so that the parking brake control setup is alleviated braking force.
Embodiment three
As shown in Figure 3, the present invention prevents the system of applied accidental parking brake on railway train, comprises local brak control unit 1 and parking brake control unit 2, and local brak control unit 1 comprises: speed sensor 11, for detection of train running speed; Pressure sensor 12 is for detection of Parking Brake Cylinders 40 internal air pressures; Park train-line state-detection loop 13, for detection of parking the train-line state;
The parking brake train-line disconnects control circuit 14, comprise the first relay K 1 and the second relay K 2, the input end link control module 15 of the first relay K 1, the mouth of the first relay K 1 connect the input end of the second relay K 2 and the mouth of parking train-line state-detection loop 13, the second relay K 2 connect emergency exhaust valve 10 be used for control to train pipe 20 air drafts with apply the emergency brake; The first relay K 1 is the moving fault relay, and the second relay K 2 is dynamic circuit connector type relay;
Parking brake control unit 2 comprises: hand switch 21 is arranged on driver's cab; Impulse electromagnetic valve 22 is electrically connected with hand switch 21, is used for according to the air pressure in the action control Parking Brake Cylinders 40 of hand switch 21.The driver can get to hand switch to park and apply station T2, makes to park to apply electromagnet M2 and get electricly, and impulse electromagnetic valve 22 is given Parking Brake Cylinders 40 exhausts, and the parking brake device that brake system can be controlled each trailer applies brake application by spring power to train, prevents from slipping car; The driver gets to hand switch 21 to park alleviates station T1, makes to park to alleviate electromagnet M1 and get electricly, and impulse electromagnetic valve 22 is to Parking Brake Cylinders 40 inflations, and the parking brake device that brake system is controlled each trailer removes brake application by spring power, and train can normally move.
The input end of the first relay is in the normally open position at the train normal operating condition, as shown in Figure 4, the normally closed contact turn-on power of the first relay output end is in conducting state so that park train-line, the input end normal condition of the second relay is closed, the urgent train-line of normally closed contact conducting of the second relay output end, emergency exhaust valve normality gets electric, not air draft of train pipe, not apply the emergency brake; When detecting the mal factor and need apply the emergency brake, the input end of the first relay just can be closed under the driving effect of control module, as shown in Figure 3, the normally closed contact power cut-off of the first relay output end is in off-state so that park train-line, the input end of the second relay disconnects, and the normally closed contact of the second relay output end disconnects urgent train-line, emergency exhaust valve dead electricity, make the train pipe air draft, apply the emergency brake.Local brak control unit sends to the driver's cab telltale by the multifunctional train bus with the state that detects, and the prompting driver carries out fault handling.The method and System Assurance reliability and the safety of parking brake control; Guarantee in case of emergency that train braking system can in time be implemented emergency braking and by local brak control unit to driver's cab telltale transmission fault information, so that the driver can according to pointing out handling failure, guarantee the safety of train.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (4)
1. a method that prevents applied accidental parking brake on railway train is characterized in that, may further comprise the steps:
1) local brak control unit difference Negotiation speed sensor gathers the speed signal of train, by the air pressure signal in the pressure sensor collection Parking Brake Cylinders, parks the train-line status signal by parking the collection of train-line state-detection loop;
2) judge that by control module whether the value V of described speed signal is greater than preset value V
0, whether the value P of pressure signal is less than preset value P
0, whether the value of parking the train-line status signal is 1;
3) if step 2) in three conditions all satisfy, then carry out step 4), if wherein at least one condition does not satisfy and then carries out step 5);
4) it is closed to control the input end of the first relay by control module, the normally closed contact of the first relay output end disconnects, so that the coil blackout of the second relay that input end is connected with described the first relay output end, train-line state-detection loop is parked in disconnection, the value that park the train-line status signal this moment is 0, the normally closed contact of the second relay output end disconnects, the emergency exhaust valve dead electricity of connecting with this second relay output end, the emergency exhaust valve makes train pipe air draft, apply the emergency brake; Local brak control unit is sent to the driver's cab telltale by the multifunctional train bus with the state that detects, and the prompting driver carries out fault handling;
5) input end of controlling the first relay by control module disconnects, the normally closed contact of the first relay output end is closed, so that the coil of the second relay that input end is connected with described the first relay output end gets electric, closure is parked train-line state-detection loop, the value of parking the train-line status signal this moment is that the normally closed contact of 1, the second relay output end is closed, and the emergency exhaust valve of connecting with this second relay output end gets electric, not air draft of train pipe, not apply the emergency brake.
2. the method that prevents applied accidental parking brake on railway train according to claim 1 is characterized in that, described step 4) also comprises:
41) driver operation hand switch so that the pulse electromagnetic valve events is inflated, enters the parking brake relieved state in Parking Brake Cylinders.
3. a system that prevents applied accidental parking brake on railway train is characterized in that, comprises local brak control unit, and described local brak control unit comprises:
Speed sensor is for detection of train running speed;
Pressure sensor is for detection of the Parking Brake Cylinders internal air pressure;
Park train-line state-detection loop, for detection of parking the train-line state;
The parking brake train-line disconnects control circuit, comprise the first relay and the second relay, the input end link control module of described the first relay, the mouth of described the first relay connect the second relay input end and park train-line state-detection loop, the mouth of the second relay connects the emergency exhaust valve and is used for to the train pipe air draft with apply the emergency brake; The first relay is the moving fault relay, and the second relay is dynamic circuit connector type relay;
Control module is provided with input end, mouth and control end, and this input end connects described speed sensor, pressure sensor and parks train-line state-detection loop; This mouth connects driver's cab telltale, and control end is controlled the input end action of described the first relay according to the setting value of described speed sensor, pressure sensor and the state of parking train-line state-detection loop;
At speed signal value V greater than preset value V
0, pressure signal value P less than preset value P
0The value of parking the train-line status signal is under the state that all satisfies of 1 three conditions, the input end that control end is controlled the first relay is closed, the normally closed contact of the first relay output end disconnects, so that the coil blackout of the second relay that input end is connected with described the first relay output end, train-line state-detection loop is parked in disconnection, the value that park the train-line status signal this moment is 0, the normally closed contact of the second relay output end disconnects, the emergency exhaust valve dead electricity of connecting with this second relay output end, the emergency exhaust valve makes train pipe air draft, apply the emergency brake; Local brak control unit is sent to the driver's cab telltale by the multifunctional train bus with the state that detects, and the prompting driver carries out fault handling; Under the ungratified state of above-mentioned at least one condition, the input end that control end is controlled the first relay disconnects, the normally closed contact of the first relay output end is closed, so that the coil of the second relay that input end is connected with described the first relay output end gets electric, closure is parked train-line state-detection loop, the value that park the train-line status signal this moment is 1, the normally closed contact of the second relay output end is closed, the emergency exhaust valve of connecting with this second relay output end gets electric, not air draft of train pipe, not apply the emergency brake.
4. the system that prevents applied accidental parking brake on railway train according to claim 3 is characterized in that, also comprises the parking brake control unit, and described parking brake control unit comprises:
Hand switch is arranged on driver's cab;
Impulse electromagnetic valve is electrically connected with described hand switch, is used for according to the air pressure in the action control Parking Brake Cylinders of described hand switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110097823 CN102180165B (en) | 2011-04-19 | 2011-04-19 | Method and system for preventing applied accidental parking brake on railway train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110097823 CN102180165B (en) | 2011-04-19 | 2011-04-19 | Method and system for preventing applied accidental parking brake on railway train |
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|---|---|
| CN102180165A CN102180165A (en) | 2011-09-14 |
| CN102180165B true CN102180165B (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110097823 Active CN102180165B (en) | 2011-04-19 | 2011-04-19 | Method and system for preventing applied accidental parking brake on railway train |
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| CN102556084B (en) * | 2011-12-26 | 2015-07-01 | 北京交控科技有限公司 | Control circuit for emergency brake loop |
| CN105083251B (en) * | 2014-11-28 | 2017-12-01 | 中车青岛四方机车车辆股份有限公司 | Automatic braking of train control circuit based on bogie unstability detection means |
| WO2016082659A1 (en) * | 2014-11-28 | 2016-06-02 | 中车青岛四方机车车辆股份有限公司 | Train automatic braking control circuit based on bogie instability detection apparatus |
| CN105172778B (en) * | 2015-08-28 | 2017-11-03 | 南车戚墅堰机车有限公司 | Parking brake applies circuit automatically |
| CN106184181B (en) * | 2016-08-15 | 2019-01-15 | 中车唐山机车车辆有限公司 | Train hand braking system |
| CN106080570B (en) * | 2016-08-29 | 2019-06-07 | 中车大连机车车辆有限公司 | Locomotive parking brake control method |
| CN106427955B (en) * | 2016-11-11 | 2019-02-26 | 中车株洲电力机车有限公司 | A kind of vehicle brake control method |
| CN106627555B (en) * | 2016-11-18 | 2019-08-02 | 中车长春轨道客车股份有限公司 | A kind of monitoring of parking brake redundancy and diagnostic system and its control method |
| CN108116452A (en) * | 2016-11-29 | 2018-06-05 | 中车大同电力机车有限公司 | A kind of method for distinguishing false triggering locomotive emergency braking |
| CN107117154B (en) * | 2017-03-31 | 2019-03-29 | 广州电力机车有限公司 | A kind of system of low-floor tramcar auxiliary release electromagnetic valve failure |
| CN109435927B (en) * | 2018-09-30 | 2024-03-15 | 中铁武汉勘察设计院有限公司 | Rail power flat car and braking system and braking control method thereof |
| CN111824155B (en) * | 2019-04-15 | 2023-03-07 | 湖南中车智行科技有限公司 | Method and system for controlling parking brake force to supplement brake force |
| CN111824153A (en) * | 2019-04-15 | 2020-10-27 | 中车株洲电力机车研究所有限公司 | Method and system for preventing abnormal application of parking brake of vehicle |
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| CN112896130B (en) * | 2019-12-03 | 2022-10-25 | 中车唐山机车车辆有限公司 | Control device, bicycle parking brake system and rail vehicle |
| CN112298151B (en) * | 2020-10-27 | 2022-02-01 | 中车青岛四方机车车辆股份有限公司 | Motor train unit parking brake state monitoring method, device and system and motor train unit |
| CN113060113B (en) * | 2021-03-10 | 2022-02-15 | 交控科技股份有限公司 | Safe standby brake anti-skid system and method for railway vehicle-mounted brake control |
| CN113147717B (en) * | 2021-04-08 | 2022-06-14 | 中车株洲电力机车有限公司 | Rail transit vehicle and parking brake detection system and method thereof |
| CN114919554B (en) * | 2021-06-11 | 2023-06-20 | 克诺尔车辆设备(苏州)有限公司 | Rail vehicle parking brake relieving device and control method thereof |
| CN113844414B (en) * | 2021-09-30 | 2022-06-14 | 中车株洲电力机车有限公司 | Rail transit vehicle and parking brake control system and method thereof |
| CN114275002B (en) * | 2022-01-17 | 2023-04-28 | 中车青岛四方机车车辆股份有限公司 | Control circuit and control method for triggering full vehicle rapid braking and vehicle |
| CN114734969B (en) * | 2022-04-22 | 2023-06-09 | 南京中车浦镇海泰制动设备有限公司 | Braking state loop of passive braking system |
| CN116080613B (en) * | 2023-04-13 | 2023-06-16 | 成都壹为新能源汽车有限公司 | Locomotive standby emergency braking system |
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