CN106274988B - The vehicle-mounted real time on-line monitoring system of train undesirable emergency braking, method and device - Google Patents
The vehicle-mounted real time on-line monitoring system of train undesirable emergency braking, method and device Download PDFInfo
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- CN106274988B CN106274988B CN201610821966.0A CN201610821966A CN106274988B CN 106274988 B CN106274988 B CN 106274988B CN 201610821966 A CN201610821966 A CN 201610821966A CN 106274988 B CN106274988 B CN 106274988B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000006837 decompression Effects 0.000 claims abstract description 78
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 7
- 238000013500 data storage Methods 0.000 claims description 3
- 210000000352 storage cell Anatomy 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 13
- 238000004590 computer program Methods 0.000 description 7
- 238000007689 inspection Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000032696 parturition Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0018—Communication with or on the vehicle or train
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0081—On-board diagnosis or maintenance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/02—Control, warning or like safety means along the route or between vehicles or trains for indicating along the route the failure of brakes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The present invention provides a kind of vehicle-mounted real time on-line monitoring system of train undesirable emergency braking, method and devices, are related to railroad coach brake system monitor technical field.The train tube pressure data in compartment where train tube pressure sensor acquires train tube pressure sensor in real time；The brake-cylinder pressure data in compartment where brake-cylinder pressure sensor acquires brake-cylinder pressure sensor in real time；The vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking of each compartment setting determines train pipe decompression rate in real time according to train tube pressure data；At the time of when train pipe decompression rate is more than a default decompression rate threshold value and brake-cylinder pressure data and is more than pre-set pressure threshold, determining that emergency braking occurs for compartment, and send this compartment to train grade TCDS hosts emergency braking occurs；Train grade TCDS hosts are ranked up and judge at the time of emergency braking occurs to each compartment, and the compartment of undesirable emergency braking occurs at first for positioning, and arranges broadcast alarm to complete.
Description
Technical field
The present invention relates to railroad coach brake system monitor technical field more particularly to a kind of train undesirable emergency braking vehicles
Carry real time on-line monitoring system, method and device.
Background technology
Currently, train braking mode is generally divided into two kinds of " service braking " and " emergency braking "：Service braking is normal
In the case of to adjust the braking implemented of train speed, and emergency braking is in case of emergency to be applied by train is made to stop as early as possible
Capable braking.The railway system of the country largely starts the general fast passenger train of 25G, 25K and 25T type at present, these trains generally make
With the self-action air damper for being equipped with 104 or F8 type air slide valves, designed according to brake emergency sensitiveness, work as row
When vehicle pipe decompression rate reaches 70~80kPa/s, emergency braking occurs for train.But in passenger train operation, often occur non-
The undesirable emergency braking phenomenon of driver operation：For example, in train operation way, train pipe occurs for certain section compartment in train marshalling list
Fracture or air slide valve malfunction, cause train tube pressure air largely to arrange to air, according to brake characteristic, work as train
Pipe decompression rate reaches 70~80kPa/s, which can generate emergency braking first, then as the transmission of suction wave causes entirely
Row brake generates undesirable emergency braking.
And undesirable emergency braking once occurs for train, then needs temporary parking, is listened by inspection vehicle personnel compartment ear one by one of getting off
And visual inspection, while segmentation release of brake test is carried out by driver's compounding practice, undesirable emergency braking occurs first for positioning
Vehicle takes measures after discharge failure, can continue to run with.It is limited by train marshalling list length and parking environment, positioning failure vehicle
It need to generally take a long time, influence the operation of other main track trains since the line is busy, it is late to often result in train large area, sternly
Ghost image rings passenger train operation.And there is presently no the real-time online position monitors of quick, accurate train undesirable emergency braking
Method.
Invention content
The embodiment of the present invention provides a kind of vehicle-mounted real time on-line monitoring system of train undesirable emergency braking, method and dress
It puts, to meet, there are no the real-time online position monitor sides of quick, accurate train undesirable emergency braking in currently available technology
The problem of method.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
A kind of vehicle-mounted real time on-line monitoring system of train undesirable emergency braking, including：The train grade being set on train
TCDS hosts are set to train and respectively save the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking in compartment, are set to
Each section train tube pressure sensor in compartment and brake-cylinder pressure sensor；
The train grade TCDS hosts vehicle-mounted are existed in real time by train network and the train undesirable emergency braking in each section compartment
Line monitoring host apparatus connection；The vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking and it is located at it same
The train tube pressure sensor and brake-cylinder pressure sensor in compartment connect respectively；
The train tube pressure sensor, for acquiring the train tube pressure in train tube pressure sensor place compartment in real time
Data, and the train tube pressure data are sent to the vehicle-mounted real time on-line monitoring host of the train undesirable emergency braking and are filled
It puts；
The brake-cylinder pressure sensor, for acquiring the brake-cylinder pressure in brake-cylinder pressure sensor place compartment in real time
Data, and the brake-cylinder pressure data are sent to the vehicle-mounted real time on-line monitoring host of the train undesirable emergency braking and are filled
It puts；
The vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking of each compartment setting, for according to
Train tube pressure data determine train pipe decompression rate in real time；The train pipe decompression rate is monitored in real time, in the train pipe
When decompression rate is more than a default decompression rate threshold value and the brake-cylinder pressure data and is more than pre-set pressure threshold, really
Determine the compartment residing for the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking and emergency braking occurs, and record hair
At the time of raw emergency braking；The time reference set by train grade TCDS hosts is broadcasted by the train network to full row
At the time of sending the generation emergency braking；
The train grade TCDS hosts for determining to arrange the time reference in each compartment entirely, and occur receiving each compartment
It is ranked up and judges after at the time of emergency braking, the compartment of undesirable emergency braking occurs at first for positioning, and broadcasts report to full row
It is alert.
Specifically, the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking includes central processing element electricity
Road, sound light alarming circuit, memory, train network interface, train tube pressure sensor interface, brake-cylinder pressure sensor connect
Mouthful；
The central processing element circuit is sensed by the train tube pressure sensor interface and the train tube pressure
Device connects；The central processing element circuit passes through the brake-cylinder pressure sensor interface and the brake-cylinder pressure sensor
Connection；The central processing element circuit is connect by train network interface with the train network；The central processing element
Circuit is also connect with the sound light alarming circuit and memory respectively.
Specifically, distributing valve and branch pipe that the train tube pressure sensor is connected in compartment braking system block
Between cock；The brake-cylinder pressure sensor is connected between the checking cylinder in compartment braking system and alleviation cock.
Specifically, the train network is BPSK train networks, OFDM train networks or LonWorks train networks.
A kind of vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking, applied to above-mentioned train undesirable emergency braking
Vehicle-mounted real time on-line monitoring system, the method includes：
The train tube pressure data and brake-cylinder pressure sensor that real-time reception train tube pressure sensor acquires in real time
The brake-cylinder pressure data acquired in real time；
Train pipe decompression rate is determined in real time according to the train tube pressure data, and monitors the train pipe decompression in real time
Rate；
It is more than a default decompression rate threshold value in the train pipe decompression rate and the brake-cylinder pressure data is more than in advance
During the pressure threshold first set, the train residing for the vehicle-mounted real time on-line monitoring host apparatus itself of train undesirable emergency braking is determined
Compartment occur emergency braking, and record occur emergency braking at the time of；
The time reference set by train grade TCDS hosts passes through hair described in the train network to full row broadcast transmission
At the time of raw emergency braking, so that train undesirable emergency braking vehicle-mounted reality of the train grade TCDS hosts according to each section compartment
When on-line monitoring host apparatus it is corresponding occur emergency braking at the time of be ranked up and judge, positioning unintended emergency occurs at first
The compartment of braking, and alarm to full row broadcast.
Further, the vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking, further includes：
Receive train grade TCDS hosts with presetting broadcasting frequency send pair when message；Message includes train grade at described pair
The etalon time of TCDS hosts；
Judge the current time of the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking and the train grade
Error threshold at the time of whether the error of the etalon time of TCDS hosts pre-sets more than one；
If the current time of the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking and the train grade
The error of the etalon time of TCDS hosts is more than the moment error threshold, then the train undesirable emergency braking is vehicle-mounted in real time
The current time of on-line monitoring host apparatus is changed to the etalon time of the train grade TCDS hosts.
In addition, the train tube pressure data and brake-cylinder pressure that are acquired in real time in real-time reception train tube pressure sensor
After the brake-cylinder pressure data that sensor acquires in real time, including：
Judge whether the train tube pressure data are more than pre-set Fisrt fault threshold value or less than pre-setting
The second fault threshold；
If the train tube pressure data are more than the Fisrt fault threshold value, it is determined that the train tube pressure sensor hair
Raw short trouble；
If the train tube pressure data are less than second fault threshold, it is determined that the train tube pressure sensor hair
Raw open fault；
Judge whether the brake-cylinder pressure data are more than pre-set third fault threshold or less than pre-setting
The 4th fault threshold；
If the brake-cylinder pressure data are more than the third fault threshold, it is determined that the brake-cylinder pressure sensor hair
Raw short trouble；
If the brake-cylinder pressure data are less than the 4th fault threshold, it is determined that the brake-cylinder pressure sensor hair
Raw open fault.
Specifically, determining train pipe decompression rate in real time according to the train tube pressure data, and the row are monitored in real time
Vehicle pipe decompression rate, including：
According to pre-set sample frequency, an intermediate value data are taken using every n sampled point, from the train tube pressure
Train tube pressure intermediate value data are obtained in data；Wherein n is less than or equal to 10；
Train tube pressure, which is generated, according to the train tube pressure intermediate value data propagates waveform；
The slope that the train tube pressure propagates waveform is monitored in real time, and the slope of waveform is propagated with the train tube pressure
Represent train pipe decompression rate.
Further, the vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking, further includes：
According to the pre-set sample frequency, an intermediate value data are taken using every n sampled point, from the checking cylinder
Brake-cylinder pressure intermediate value data are obtained in pressure data；Wherein n is less than or equal to 10；
The train tube pressure intermediate value data and brake-cylinder pressure intermediate value data are stored in pre-set database.
Specifically, the time reference set by train grade TCDS hosts, is sent out by the train network to full row broadcast
At the time of sending the generation emergency braking, so that train unintended emergency system of the train grade TCDS hosts according to each section compartment
Motor-car load real time on-line monitoring host apparatus is corresponding to be occurred to be ranked up and judge at the time of emergency braking, and positioning occurs at first
The compartment of undesirable emergency braking, and alarm to full row broadcast, including：
Broadcast report at the time of carrying the generation emergency braking is sent to train grade TCDS hosts by train network
Text；
The generation that the broadcasting packet is used to parse the broadcasting packet carrying by the train grade TCDS hosts is urgent
At the time of braking, and the corresponding generation of the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking in each section compartment is tight
It is ranked up and judges at the time of anxious braking, position the compartment that undesirable emergency braking occurs at first, and alarm to full row broadcast；
If the monitoring result represents that the compartment that emergency braking occurs at first is first compartment after train traction machine,
Determine that train emergency braking is braked for normal emergency；
If the compartment that the monitoring result represents that emergency braking occurs at first is not first compartment after train traction machine,
Train emergency braking is then determined as undesirable emergency braking, the coach number of undesirable emergency braking will occur first for train grade TCDS hosts
It is alarmed by message to full row broadcast.
Further, it after at the time of to generation emergency braking described in full row broadcast transmission, further includes：
After the unintended emergency alarm for receiving train grade TCDS host broadcasts, sound and light alarm signal is sent out.
A kind of vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking, applied to above-mentioned train unintended emergency
Vehicle-mounted real time on-line monitoring system is braked, the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking includes：
Data real-time reception unit, the train tube pressure data acquired in real time for real-time reception train tube pressure sensor
And the brake-cylinder pressure data that brake-cylinder pressure sensor acquires in real time；
Train pipe decompression rate monitoring unit, for determining train pipe decompression speed in real time according to the train tube pressure data
Rate, and the train pipe decompression rate is monitored in real time；
Emergency braking determination unit, for being more than a default decompression rate threshold value and described in the train pipe decompression rate
When brake-cylinder pressure data are more than pre-set pressure threshold, the vehicle-mounted real time on-line monitoring master of train undesirable emergency braking is determined
Emergency braking occurs for compartment residing for machine device itself, and records at the time of emergency braking occurs；
Time information transmitting element for passing through the time reference of train grade TCDS hosts setting, passes through the train net
At the time of emergency braking occurs described in network to full row broadcast transmission, so that the train grade TCDS hosts are according to each section compartment
The vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking is corresponding to be occurred to be ranked up and sentence at the time of emergency braking
Disconnected, the compartment of undesirable emergency braking occurs at first for positioning, and arranges broadcast alarm to complete.
Further, the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking, further includes：
Pair when message receiving unit, for receive train grade TCDS hosts with presetting broadcasting frequency send pair when message；
Message includes the etalon time of train grade TCDS hosts at described pair；
Moment judging unit, for judge the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking it is current when
Carve error threshold at the time of whether being pre-set with the error of the etalon time of the train grade TCDS hosts more than one；
Pair when unit, at the current time of the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking
When being more than the moment error threshold with the error of the etalon time of the train grade TCDS hosts, by the train unintended emergency
The current time for braking vehicle-mounted real time on-line monitoring host apparatus is changed to the etalon time of the train grade TCDS hosts.
Further, the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking, further includes：
Train tube pressure Transducer fault detection unit is set in advance for judging whether the train tube pressure data are more than
The Fisrt fault threshold value put or less than pre-set second fault threshold；It is more than described the in the train tube pressure data
During one fault threshold, determine that short trouble occurs for the train tube pressure sensor；It is less than institute in the train tube pressure data
When stating the second fault threshold, determine that open fault occurs for the train tube pressure sensor；
Brake-cylinder pressure Transducer fault detection unit is set in advance for judging whether the brake-cylinder pressure data are more than
The third fault threshold put or less than pre-set 4th fault threshold；It is more than described the in the brake-cylinder pressure data
During three fault thresholds, determine that short trouble occurs for the brake-cylinder pressure sensor；It is less than institute in the brake-cylinder pressure data
The 4th fault threshold is stated, determines that open fault occurs for the brake-cylinder pressure sensor.
In addition, the train pipe decompression rate monitoring unit, is specifically used for：
According to pre-set sample frequency, an intermediate value data are taken using every n sampled point, from the train tube pressure
Train tube pressure intermediate value data are obtained in data；Wherein n is less than or equal to 10；
Train tube pressure, which is generated, according to the train tube pressure intermediate value data propagates waveform；
The slope that the train tube pressure propagates waveform is monitored in real time, and the slope of waveform is propagated with the train tube pressure
Represent train pipe decompression rate.
Further, the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking, further includes：
Brake-cylinder pressure data processing unit, for according to the pre-set sample frequency, using every n sampled point
An intermediate value data are taken, brake-cylinder pressure intermediate value data are obtained from the brake-cylinder pressure data；Wherein n is less than or equal to 10；
Data storage cell, it is pre- for the train tube pressure intermediate value data and brake-cylinder pressure intermediate value data to be stored in
In the database first set.
In addition, the time information transmitting element, is specifically used for：
Broadcast report at the time of carrying the generation emergency braking is sent to train grade TCDS hosts by train network
Text；
The generation that the broadcasting packet is used to parse the broadcasting packet carrying by the train grade TCDS hosts is urgent
At the time of braking, and the corresponding generation of the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking in each section compartment is tight
It is ranked up and judges at the time of anxious braking, the determining compartment that undesirable emergency braking occurs at first, and alarm to full row broadcast.
Further, the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking, further includes：
Monitoring result receiving unit, for receiving the undesirable emergency braking alarm of train grade TCDS hosts transmission；
Acousto-optic warning unit, when alarming for receiving the undesirable emergency braking of train grade TCDS host broadcasts, to outgoing
Go out sound and light alarm signal.
The embodiment of the present invention provides a kind of vehicle-mounted real time on-line monitoring system of train undesirable emergency braking, method and dress
It puts, the train tube pressure data in compartment where can acquiring train tube pressure sensor in real time by train tube pressure sensor,
And the train tube pressure data are sent to the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking；Pass through
The brake-cylinder pressure data in compartment where brake-cylinder pressure sensor can acquire brake-cylinder pressure sensor in real time, and by described in
Brake-cylinder pressure data are sent to the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking；In this way, train is anticipated
The outer vehicle-mounted real time on-line monitoring host apparatus of emergency braking can determine train pipe decompression speed in real time according to train tube pressure data
Rate；The train pipe decompression rate is monitored in real time, is more than a default decompression rate threshold value and institute in the train pipe decompression rate
When stating brake-cylinder pressure data more than pre-set pressure threshold, the vehicle-mounted real time on-line monitoring of train undesirable emergency braking is determined
Emergency braking occurs for compartment residing for host apparatus, and records at the time of emergency braking occurs；Pass through train grade TCDS master
Machine setting time reference, by described in the train network to full row broadcast transmission occur emergency braking at the time of；In this way, row
Vehicle grade TCDS hosts can be corresponding according to each vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking for saving compartment
Occur to be ranked up and judge at the time of emergency braking, determine the compartment of undesirable emergency braking to occur at first, and broadcast is arranged to complete
Alarm.By the present invention can quick, accurate real-time online positioning occur the compartment of undesirable emergency braking, to avoid and work as forefront
Vehicle undesirable emergency braking accident treatment speed is slowly and the problem of very complicated.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structure of the vehicle-mounted real time on-line monitoring system of train undesirable emergency braking provided in an embodiment of the present invention
Schematic diagram one；
Fig. 2 is a kind of structure of the vehicle-mounted real time on-line monitoring system of train undesirable emergency braking provided in an embodiment of the present invention
Schematic diagram two；
Fig. 3 is the structure diagram of the compartment braking system in the embodiment of the present invention；
Fig. 4 is a kind of flow of the vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking provided in an embodiment of the present invention
Figure one；
Fig. 5 is pair in a kind of vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking provided in an embodiment of the present invention
When mechanism flow chart；
Fig. 6 is a kind of flow of the vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking provided in an embodiment of the present invention
Figure two；
Fig. 7 is emergency braking wave in the embodiment of the present invention in the direction of propagation schematic diagram for arranging each compartment entirely；
Fig. 8 is the schematic diagram that train tube pressure propagates waveform and temporal aspect in the embodiment of the present invention；
Fig. 9 is a kind of vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking provided in an embodiment of the present invention
Structure diagram one；
Figure 10 is a kind of vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking provided in an embodiment of the present invention
Structure diagram two.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
In the implementation of the present invention, inventor has found, following scheme exists in the prior art：
Such as a kind of row inspection operation detection device, a set of examination wind cabinet, actuator, electron wind are installed when inspection operation is arranged on ground
The ground installations such as table, tail pressure terminal, computer, using high speed Ethernet means of communication to accident occurs in examining operation in row
The vehicle of emergency braking is judged, but is limited by space, these ground installations can not be installed on passenger train, while passenger
Also the physical medium of ethernet communication can be carried out on train without laying, so this device and method are also only limited to make in row inspection
Industry uses, and can not be applied in vehicle-mounted real-time monitoring.
And the present invention is different from said program, as shown in Figure 1, the embodiment of the present invention provides a kind of train undesirable emergency braking
Vehicle-mounted real time on-line monitoring system 100, including：Monitoring system for train running safety (the Train Coach being set on train
Running Diagnosis System, abbreviation TCDS) host 101, it is set to the train unintended emergency system that train respectively saves compartment
Motor-car carries real time on-line monitoring host apparatus 102, the train tube pressure sensor 103 and checking cylinder that are set to each section compartment
Pressure sensor 104.Wherein, entire train can install a train grade TCDS host 101, and the often section compartment of train is corresponding
There are the vehicle-mounted real time on-line monitoring host apparatus 102 of a train undesirable emergency braking, train tube pressure sensor 103 and checking cylinder
Pressure sensor 104.
The train grade TCDS hosts 101 are vehicle-mounted by train network 105 and the train undesirable emergency braking in each section compartment
Real time on-line monitoring host apparatus 102 connects；Vehicle-mounted 102 He of real time on-line monitoring host apparatus of train undesirable emergency braking
It is located at the train tube pressure sensor 103 in same compartment with it and brake-cylinder pressure sensor 104 is connect respectively.
Herein, the train tube pressure sensor 103, the row in compartment where train tube pressure sensor can be acquired in real time
Vehicle pipe pressure data, and the train tube pressure data are sent to the vehicle-mounted real time on-line monitoring of train undesirable emergency braking
Host apparatus.
The brake-cylinder pressure sensor 104, the checking cylinder in compartment where brake-cylinder pressure sensor can be acquired in real time
Pressure data, and the brake-cylinder pressure data are sent to the vehicle-mounted real time on-line monitoring host of the train undesirable emergency braking
Device.
The vehicle-mounted real time on-line monitoring host apparatus 102 of the train undesirable emergency braking of each compartment setting, can basis
The train tube pressure data determine train pipe decompression rate in real time；The train pipe decompression rate is monitored in real time, in the row
Vehicle pipe decompression rate is more than a default decompression rate threshold value and the brake-cylinder pressure data are more than pre-set pressure threshold
When, determine that emergency braking occurs for the compartment residing for the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking, and
At the time of emergency braking occurs for record；The time reference set by train grade TCDS hosts, by the train network to complete
At the time of emergency braking occurs described in row broadcast transmission.
The train grade TCDS hosts 101 for determining to arrange the time reference in each compartment entirely, and are receiving each compartment hair
It is ranked up and judges after at the time of raw emergency braking, the compartment of undesirable emergency braking occurs at first for positioning, and arranges broadcast to complete
Alarm.
Specifically, as shown in Fig. 2, the vehicle-mounted real time on-line monitoring host apparatus 102 of the train undesirable emergency braking includes
Central processing element circuit 106, sound light alarming circuit 107, memory 108, train network interface 109, train tube pressure sensing
Device interface 110, brake-cylinder pressure sensor interface 111.
The central processing element circuit 106 passes through the train tube pressure sensor interface 110 and the train pipe pressure
Force snesor 103 connects；The central processing element circuit 106 by the brake-cylinder pressure sensor interface 111 with it is described
Brake-cylinder pressure sensor 104 connects；The central processing element circuit 106 passes through train network interface 109 and the train
Network 105 connects；The central processing element circuit 106 also connects with the sound light alarming circuit 107 and memory 108 respectively
It connects.
What deserves to be explained is train tube pressure sensor 103 and brake-cylinder pressure sensor 104 can be set to such as Fig. 3
In shown compartment braking system 200, which includes：Train pipe 201, train pipe branch pipe
202nd, dust arrester 203, branch pipe cutout cock 204, distributing valve 205, work cylinder 206, auxiliary reservoir 207, alleviate cock 208 and
Checking cylinder 209.Since the structure of compartment braking system is relatively common, herein no longer to the structure of compartment braking system
It is described in detail.The train tube pressure sensor 103 is connected to 205 He of distributing valve in compartment braking system 200
Between branch pipe cutout cock 204；The brake-cylinder pressure sensor 104 is connected to the braking in compartment braking system 200
Between cylinder 209 and alleviation cock 208.
In addition, the train network 105 can be binary phase shift keying (Binary Phase Shift Keying, letter
Claim BPSK) train network, Orthogonal Frequency Division Multiplexing (Orthogonal Frequency Division Multiplexing, referred to as
OFDM) train network or fieldbus LonWorks train networks.Train had may be used both in the communication media of train network 105
The twisted-pair feeder or parallel lines that have, perforation arranges entirely.
The embodiment of the present invention provides a kind of vehicle-mounted monitoring system of train undesirable emergency braking, is sensed by train tube pressure
Device can acquire the train tube pressure data in compartment where train tube pressure sensor in real time, and by the train tube pressure data
It is sent to the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking；It can be real by brake-cylinder pressure sensor
When compartment where acquisition brake-cylinder pressure sensor brake-cylinder pressure data, and the brake-cylinder pressure data are sent to institute
State the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking；In this way, the vehicle-mounted real-time online of train undesirable emergency braking
Train pipe decompression rate can be determined in real time according to train tube pressure data by monitoring host apparatus；The train pipe is monitored in real time to subtract
Rate is pressed, is more than a default decompression rate threshold value in the train pipe decompression rate and the brake-cylinder pressure data is more than in advance
During the pressure threshold of setting, the compartment hair residing for the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking is determined
At the time of giving birth to emergency braking, and record generation emergency braking；The time reference set by train grade TCDS hosts, by described
At the time of emergency braking occurs described in train network to full row broadcast transmission；In this way, train grade TCDS hosts can be according to each section
The vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking in compartment is corresponding to be occurred to be arranged at the time of emergency braking
Sequence and judgement determine the compartment of undesirable emergency braking to occur at first, and broadcast alarm to full row.By the present invention can fast,
The compartment of undesirable emergency braking occurs for accurate real-time online positioning, avoids current train undesirable emergency braking accident treatment speed
The problem of spending slow and very complicated.
As shown in figure 4, the embodiment of the present invention provides a kind of vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking, it should
For above-mentioned Fig. 1, the vehicle-mounted real time on-line monitoring system of train undesirable emergency braking shown in Fig. 2, the method includes：
The train tube pressure data and checking cylinder pressure that step 301, real-time reception train tube pressure sensor acquire in real time
The brake-cylinder pressure data that force snesor acquires in real time.
Step 302 determines train pipe decompression rate, and monitor the row in real time in real time according to the train tube pressure data
Vehicle pipe decompression rate.
Step 303 is more than a default decompression rate threshold value and the brake-cylinder pressure number in the train pipe decompression rate
During according to more than pre-set pressure threshold, vehicle-mounted real time on-line monitoring host apparatus itself institute of train undesirable emergency braking is determined
Emergency braking occurs for the compartment at place, and records at the time of emergency braking occurs.
Step 304, the time reference set by train grade TCDS hosts are sent out by the train network to full row broadcast
At the time of sending the generation emergency braking, so that train unintended emergency system of the train grade TCDS hosts according to each section compartment
Motor-car carries progress at the time of real time on-line monitoring host apparatus is corresponding to occur emergency braking and judges, accident occurs at first for positioning
The compartment of emergency braking, and alarm to full row broadcast.
The embodiment of the present invention provides a kind of vehicle-mounted monitoring method of train undesirable emergency braking, can fast, accurate reality
When tuning on-line occur emergency braking compartment, it is slow and cumbersome to avoid current train undesirable emergency braking accident treatment speed
The problem of complicated.
In order to those skilled in the art is made to be better understood by the present invention, a more detailed embodiment is set forth below,
As shown in Figure 5 and Figure 6, the embodiment of the present invention provides a kind of vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking, including：
Mechanism at as shown in Figure 5 pair：
Step 401, receive train grade TCDS hosts with presetting broadcasting frequency send pair when message.
Message includes the etalon time of train grade TCDS hosts at described pair, and precision is Millisecond.Wherein default broadcast frequency
Rate can be 1 time per minute.
Step 402, the current time for judging the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking with it is described
Error threshold at the time of whether the error of the etalon time of train grade TCDS hosts pre-sets more than one.
Error threshold can be 5ms at the time of this pre-sets.
If step 403, the current time of the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking and institute
The error for stating the etalon time of train grade TCDS hosts is more than the moment error threshold, then by the train undesirable emergency braking
The current time of vehicle-mounted real time on-line monitoring host apparatus is changed to the etalon time of the train grade TCDS hosts.
The process of mechanism can be vehicle-mounted in real time with the train undesirable emergency braking that is illustrated in fig. 6 shown below at this shown in fig. 5 pair
On-line monitoring method is carried out at the same time, unified at the time of to ensure entire train.
As shown in fig. 6, the embodiment of the present invention provides a kind of vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking also
Including：
The train tube pressure data and checking cylinder pressure that step 501, real-time reception train tube pressure sensor acquire in real time
The brake-cylinder pressure data that force snesor acquires in real time.After step 501, step 502, step 505 or step can be performed
Rapid 508.
Step 502 judges whether the train tube pressure data are more than pre-set Fisrt fault threshold value or are less than
Pre-set second fault threshold.
Herein, by step 502 to step 504, train tube pressure sensor can be checked.
If step 503, the train tube pressure data are more than the Fisrt fault threshold value, it is determined that the train tube pressure
Short trouble occurs for sensor.
If step 504, the train tube pressure data are less than second fault threshold, it is determined that the train tube pressure
Open fault occurs for sensor.
Herein, it can judge whether train tube pressure sensor is working properly according to data trend.Train tube pressure senses
The output current of device is generally 4-20mA, corresponding 0-1000kPa pressure values, if the train tube pressure sensing data of acquisition is small
It is diagnosable for open fault when -30kPa (i.e. the second fault threshold), it, can during more than 1000kPa (i.e. Fisrt fault threshold value)
It is diagnosed as short trouble.
Step 505 judges whether the brake-cylinder pressure data are more than pre-set third fault threshold or are less than
Pre-set 4th fault threshold.
Herein, brake-cylinder pressure sensor can be checked by step 505 to step 507.
If step 506, the brake-cylinder pressure data are more than the third fault threshold, it is determined that the brake-cylinder pressure
Short trouble occurs for sensor.
If step 507, the brake-cylinder pressure data are less than the 4th fault threshold, it is determined that the brake-cylinder pressure
Open fault occurs for sensor.
Herein, it can judge whether brake-cylinder pressure sensor is working properly according to data trend.Brake-cylinder pressure senses
The output current of device is generally 4-20mA, corresponding 0-1000kPa pressure values, if the brake-cylinder pressure sensing data of acquisition is small
It is diagnosable for open fault when -30kPa (i.e. the 4th fault threshold), it, can during more than 1000kPa (i.e. third fault threshold)
It is diagnosed as short trouble.
Step 508, according to pre-set sample frequency, an intermediate value data are taken using every n sampled point, from the row
Train tube pressure intermediate value data are obtained in vehicle pipe pressure data.
Wherein n is less than or equal to 10.Sample frequency herein can be 1kHz.Then based on the sample frequency, such as can be with every
10 points take an intermediate value data.
Step 509 generates train tube pressure propagation waveform according to the train tube pressure intermediate value data.
Step 510 monitors the slope that the train tube pressure propagates waveform, and with the train tube pressure propagating wave in real time
The slope of shape represents train pipe decompression rate.
Herein, step 509 is described to the process of step 510 with specific example.Such as certain compartment occurs in train
Undesirable emergency braking, the train tube pressure air in the compartment are largely arranged to air, and train tube pressure drastically declines, and form urgent system
Dynamic wave, according to suction wave transfer principle, emergency braking wave is as shown in Figure 7 in the direction of propagation for arranging each compartment entirely.According to brake
Characteristic, when train pipe decompression rate reaches 70~80kPa/s, by brake distribute valve events, brake-cylinder pressure rapid increase,
Brake rigging is pushed to generate emergency braking action.By test measurement, the train pipe in each compartment in the emergency braking period
Pressure propagation waveform and temporal aspect as shown in figure 8, by 20 section compartments marshalling train for, N1To occur promptly to make first
The braking waveform of motor-car, N2For the braking waveform of the 2nd generation emergency vehicle, N20For the system of emergency braking vehicle finally occurs
Dynamic waveform.According to the speed that train tube pressure declines, N13 stages, t can be divided into0At the time of being that emergency braking starts, t0To t1For
The first stage that pressure declines, duration about 700ms, decompression rate is about 100kPa/s；t1To t2Second declined for pressure
In the stage, duration about 100ms, decompression rate is about 200kPa/s；t2To t3For the phase III that pressure declines, duration
About 2200ms, decompression rate are about 150kPa/s；Therefore, second stage is the effect of easing stress most apparent period.
Step 511, according to the pre-set sample frequency, an intermediate value data are taken using every n sampled point, from institute
State acquisition brake-cylinder pressure intermediate value data in brake-cylinder pressure data.
Wherein n is less than or equal to 10.
Step 512, the train tube pressure intermediate value data and brake-cylinder pressure intermediate value data are stored in it is pre-set
In database.
Step 513 is more than a default decompression rate threshold value and the brake-cylinder pressure number in the train pipe decompression rate
During according to more than pre-set pressure threshold, vehicle-mounted real time on-line monitoring host apparatus itself institute of train undesirable emergency braking is determined
Emergency braking occurs for the compartment at place, and records at the time of emergency braking occurs.
For example, as shown in figure 8, may be used herein continuously relatively 10 train tube pressure intermediate values, if each intermediate value and
The difference of previous intermediate value is all higher than 15kPa, i.e. train pipe decompression rate is more than 150kPa/s (i.e. default decompression rate threshold value),
Brake-cylinder pressure is more than 35kPa (i.e. pre-set pressure threshold) simultaneously, then judges to occur emergency braking action, remembers the
10 train tube pressure intermediate value acquisition times are the time that emergency braking occurs.T in Fig. 82、t2'、t2" it is judged as N respectively1、
N2、N20The time of origin of middle emergency braking action.
Step 514, by train network to train grade TCDS hosts transmission carry it is described generation emergency braking at the time of
Broadcasting packet.
Wherein, the broadcasting packet is used to parse the generation of the broadcasting packet carrying by the train grade TCDS hosts
At the time of emergency braking, and by it is each section compartment the corresponding hair of the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking
It is ranked up and judges at the time of raw emergency braking, the compartment of undesirable emergency braking occurs at first for positioning, and arranges broadcast report to complete
It is alert.
If the monitoring result represents that the compartment that emergency braking occurs at first is first compartment after train traction machine,
Determine that train emergency braking is braked for normal emergency.
If the compartment that the monitoring result represents that emergency braking occurs at first is not first compartment after train traction machine,
Train emergency braking is then determined as undesirable emergency braking, the coach number of undesirable emergency braking will occur first for train grade TCDS hosts
It is alarmed by message to full row broadcast.
Step 515 receives the undesirable emergency braking alarm that train grade TCDS hosts are sent.
Step 516 sends out sound and light alarm signal.
The sound and light alarm signal includes the coach number that undesirable emergency braking occurs at first.
The embodiment of the present invention provides a kind of vehicle-mounted monitoring method of train undesirable emergency braking, is sensed by train tube pressure
Device can acquire the train tube pressure data in compartment where train tube pressure sensor in real time, and by the train tube pressure data
It is sent to the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking；It can be real by brake-cylinder pressure sensor
When compartment where acquisition brake-cylinder pressure sensor brake-cylinder pressure data, and the brake-cylinder pressure data are sent to institute
State the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking；In this way, the vehicle-mounted real-time online of train undesirable emergency braking
Train pipe decompression rate can be determined in real time according to train tube pressure data by monitoring host apparatus；The train pipe is monitored in real time to subtract
Rate is pressed, is more than a default decompression rate threshold value in the train pipe decompression rate and the brake-cylinder pressure data is more than in advance
During the pressure threshold of setting, the compartment hair residing for the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking is determined
At the time of giving birth to emergency braking, and record generation emergency braking；The time reference set by train grade TCDS hosts, by described
At the time of emergency braking occurs described in train network to full row broadcast transmission, so that the train grade TCDS hosts are according to each section
The vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking in compartment is corresponding occur to carry out at the time of emergency braking and
Judge, determine the compartment of undesirable emergency braking to occur at first, and broadcast alarm is arranged to complete.It can fast, accurately by the present invention
Real-time online positioning occur undesirable emergency braking compartment, avoid current train undesirable emergency braking accident treatment speed and delay
The problem of slow and very complicated.As it can be seen that the present invention can real-time online, be accurately positioned in running train undesirable emergency braking occur
Compartment, and testing staff is notified to be handled by way of full row sound-light alarm, substantially increases the efficiency of accident treatment.
In addition, real time on-line monitoring positioning failure compartment, eliminates the action that driver carries out segmentation release of brake, simplifies accident treatment
Operating process.In addition, also reducing the time for occupying main track parking, the economic loss of railway transportation will be reduced to most
It is small, ensure the normal operation of railway transportation.The time of exception parking is shortened, passenger is reduced and is thrown due to long-time parking
The probability told has ensured the reputation of Railway Passenger Transport.
As shown in figure 9, the embodiment of the present invention provides a kind of train undesirable emergency braking vehicle-mounted real time on-line monitoring host dress
It puts, applied to the above-mentioned vehicle-mounted real time on-line monitoring system of train undesirable emergency braking, the train undesirable emergency braking is vehicle-mounted
Real time on-line monitoring host apparatus includes：
Data real-time reception unit 61, the train tube pressure number acquired in real time for real-time reception train tube pressure sensor
According to this and the brake-cylinder pressure data that acquire in real time of brake-cylinder pressure sensor.
Train pipe decompression rate monitoring unit 62, for determining train pipe decompression in real time according to the train tube pressure data
Rate, and the train pipe decompression rate is monitored in real time.
Emergency braking determination unit 63, for being more than a default decompression rate threshold value and institute in the train pipe decompression rate
When stating brake-cylinder pressure data more than pre-set pressure threshold, the vehicle-mounted real time on-line monitoring of train undesirable emergency braking is determined
Emergency braking occurs for compartment residing for host apparatus itself, and records at the time of emergency braking occurs.
Time information transmitting element 64 for passing through the time reference of train grade TCDS hosts setting, passes through the train
At the time of emergency braking occurs described in network to full row broadcast transmission, so that the train grade TCDS hosts are according to each section compartment
The vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking it is corresponding occur emergency braking at the time of be ranked up and
Judge, the compartment of undesirable emergency braking occurs at first for positioning, and arranges broadcast alarm to complete.
Further, as shown in Figure 10, the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking, is also wrapped
It includes：
Pair when message receiving unit 65, for receive train grade TCDS hosts with presetting broadcasting frequency send to Times
Text；Message includes the etalon time of train grade TCDS hosts at described pair.
Moment judging unit 66, for judging the current of the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking
Error threshold at the time of whether moment and the error of the etalon time of the train grade TCDS hosts pre-set more than one.
Pair when unit 67, for the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking it is current when
It is when carving with the error of the etalon time of the train grade TCDS hosts more than the moment error threshold, the train is surprisingly tight
The anxious current time for braking vehicle-mounted real time on-line monitoring host apparatus is changed to the etalon time of the train grade TCDS hosts.
Further, as shown in Figure 10, the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking, is also wrapped
It includes：
Train tube pressure Transducer fault detection unit 68, for judging it is advance whether the train tube pressure data are more than
The Fisrt fault threshold value of setting or less than pre-set second fault threshold；It is more than in the train tube pressure data described
During Fisrt fault threshold value, determine that short trouble occurs for the train tube pressure sensor；It is less than in the train tube pressure data
During second fault threshold, determine that open fault occurs for the train tube pressure sensor.
Brake-cylinder pressure Transducer fault detection unit 69, for judging it is advance whether the brake-cylinder pressure data are more than
The third fault threshold of setting or less than pre-set 4th fault threshold；It is more than in the brake-cylinder pressure data described
During third fault threshold, determine that short trouble occurs for the brake-cylinder pressure sensor；It is less than in the brake-cylinder pressure data
4th fault threshold determines that open fault occurs for the brake-cylinder pressure sensor.
It, specifically can be in addition, the train pipe decompression rate monitoring unit 62：
According to pre-set sample frequency, an intermediate value data are taken using every n sampled point, from the train tube pressure
Train tube pressure intermediate value data are obtained in data；Wherein n is less than or equal to 10.
Train tube pressure, which is generated, according to the train tube pressure intermediate value data propagates waveform.
The slope that the train tube pressure propagates waveform is monitored in real time, and the slope of waveform is propagated with the train tube pressure
Represent train pipe decompression rate.
Further, as shown in Figure 10, the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking, is also wrapped
It includes：
Brake-cylinder pressure data processing unit 70, for according to the pre-set sample frequency, being sampled using every n
Point takes an intermediate value data, and brake-cylinder pressure intermediate value data are obtained from the brake-cylinder pressure data；Wherein n is less than or equal to
10。
Data storage cell 71, for the train tube pressure intermediate value data and brake-cylinder pressure intermediate value data to be stored in
In pre-set database.
In addition, the time information transmitting element 64, is specifically used for：
Broadcast report at the time of carrying the generation emergency braking is sent to train grade TCDS hosts by train network
Text.
The generation that the broadcasting packet is used to parse the broadcasting packet carrying by the train grade TCDS hosts is urgent
At the time of braking, and the corresponding generation of the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking in each section compartment is tight
It carries out and judges at the time of anxious braking, the determining compartment that undesirable emergency braking occurs at first, and alarm to full row broadcast.
Further, as shown in Figure 10, the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking, is also wrapped
It includes：
Monitoring result receiving unit 72, for receiving the undesirable emergency braking alarm of train grade TCDS hosts transmission.
Acousto-optic warning unit 73, for receive train grade TCDS host broadcasts unintended emergency alarm when, to outgoing
Go out sound and light alarm signal.
What deserves to be explained is the embodiment of the present invention provides a kind of vehicle-mounted real time on-line monitoring master of train undesirable emergency braking
The specific implementation of machine device may refer to above-mentioned embodiment of the method, and details are not described herein again.
The embodiment of the present invention provides a kind of vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking, passes through row
Vehicle pipe pressure sensor can acquire the train tube pressure data in compartment where train tube pressure sensor in real time, and by the row
Vehicle pipe pressure data are sent to the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking；Pass through brake-cylinder pressure
Sensor can acquire the brake-cylinder pressure data in compartment where brake-cylinder pressure sensor in real time, and by the brake-cylinder pressure
Data are sent to the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking；In this way, train undesirable emergency braking
Vehicle-mounted real time on-line monitoring host apparatus can determine train pipe decompression rate in real time according to train tube pressure data；Monitoring in real time
The train pipe decompression rate is more than a default decompression rate threshold value and the brake-cylinder pressure in the train pipe decompression rate
When data are more than pre-set pressure threshold, determine residing for the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking
Compartment occur emergency braking, and record occur emergency braking at the time of；The time set by train grade TCDS hosts
Benchmark, by described in the train network to full row broadcast transmission occur emergency braking at the time of so that the train grade
TCDS hosts are urgent according to the corresponding generation of the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking in each section compartment
It is ranked up and judges at the time of braking, determine the compartment of undesirable emergency braking to occur at first, and alarm is broadcasted to full row.Pass through
The present invention can quick, accurate real-time online positioning occur the compartment of undesirable emergency braking, it is surprisingly tight to avoid current train
Anxious the problem of braking slow accident treatment speed and very complicated.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware can be used in the present invention
Apply the form of example.Moreover, the computer for wherein including computer usable program code in one or more can be used in the present invention
The computer program production that usable storage medium is implemented on (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
The processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices is generated for real
The device of function specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps are performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction offer performed on other programmable devices is used to implement in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It applies specific embodiment in the present invention to be expounded the principle of the present invention and embodiment, above example
Explanation be merely used to help understand the present invention method and its core concept；Meanwhile for those of ordinary skill in the art,
Thought according to the present invention, there will be changes in specific embodiments and applications, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (17)
1. a kind of vehicle-mounted real time on-line monitoring system of train undesirable emergency braking, which is characterized in that including：It is set on train
Train grade TCDS hosts, be set to train respectively save compartment the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking,
It is set to each section train tube pressure sensor in compartment and brake-cylinder pressure sensor；The train tube pressure sensor connects
Between the distributing valve and branch pipe cutout cock that are connected in compartment braking system；The brake-cylinder pressure sensor is connected to row
Between checking cylinder and alleviation cock in vehicle carriage brake system；
The train grade TCDS hosts are supervised by train network and the vehicle-mounted real-time online of train undesirable emergency braking in each section compartment
Survey host apparatus connection；The vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking and it is located at same compartment with it
Train tube pressure sensor and brake-cylinder pressure sensor connect respectively；
The train tube pressure sensor, for acquiring the train tube pressure number in train tube pressure sensor place compartment in real time
According to, and the train tube pressure data are sent to the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking；
The brake-cylinder pressure sensor, for acquiring the brake-cylinder pressure number in brake-cylinder pressure sensor place compartment in real time
According to, and the brake-cylinder pressure data are sent to the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking；
The vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking of each compartment setting, for according to the train
Pipe pressure data determine train pipe decompression rate in real time；The train pipe decompression rate is monitored in real time, is depressurized in the train pipe
When rate is more than a default decompression rate threshold value and the brake-cylinder pressure data and is more than pre-set pressure threshold, row are determined
Emergency braking occurs for the compartment residing for the vehicle-mounted real time on-line monitoring host apparatus of vehicle undesirable emergency braking, and it is tight to record generation
At the time of anxious braking；The time reference set by train grade TCDS hosts, by the train network to full row broadcast transmission
At the time of the generation emergency braking；
The train grade TCDS hosts for determining to arrange the time reference in each compartment entirely, and occur promptly receiving each compartment
It is ranked up and judges after at the time of braking, the compartment of undesirable emergency braking occurs at first for positioning, and broadcasts alarm to full row.
2. the vehicle-mounted real time on-line monitoring system of train undesirable emergency braking according to claim 1, which is characterized in that described
The vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking includes central processing element circuit, sound light alarming circuit, deposits
Reservoir, train network interface, train tube pressure sensor interface, brake-cylinder pressure sensor interface；
The central processing element circuit is connected by the train tube pressure sensor interface and the train tube pressure sensor
It connects；The central processing element circuit is connected by the brake-cylinder pressure sensor interface and the brake-cylinder pressure sensor
It connects；The central processing element circuit is connect by train network interface with the train network；The central processing element electricity
Road is also connect with the sound light alarming circuit and memory respectively.
3. the vehicle-mounted real time on-line monitoring system of train undesirable emergency braking according to claim 1, which is characterized in that described
Train network is BPSK train networks, OFDM train networks or LonWorks train networks.
4. a kind of vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking, which is characterized in that applied to claims 1 to 3
The vehicle-mounted real time on-line monitoring system of any one of them train undesirable emergency braking, the method includes：
The train tube pressure data and brake-cylinder pressure sensor that real-time reception train tube pressure sensor acquires in real time are real-time
The brake-cylinder pressure data of acquisition；
Train pipe decompression rate is determined in real time according to the train tube pressure data, and monitors the train pipe decompression speed in real time
Rate；
It is more than a default decompression rate threshold value and the brake-cylinder pressure data in the train pipe decompression rate and is more than and sets in advance
During the pressure threshold put, the compartment residing for the vehicle-mounted real time on-line monitoring host apparatus itself of train undesirable emergency braking is determined
At the time of emergency braking occurs, and records generation emergency braking；
The time reference set by train grade TCDS hosts is tight by occurring described in the train network to full row broadcast transmission
At the time of anxious braking, so that the train grade TCDS hosts exist in real time according to each train undesirable emergency braking for saving compartment is vehicle-mounted
Line monitoring host apparatus is corresponding to be occurred to be ranked up and judge at the time of emergency braking, and undesirable emergency braking occurs at first for positioning
Compartment, and to full row broadcast alarm.
5. the vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking according to claim 4, which is characterized in that also wrap
It includes：
Receive train grade TCDS hosts with presetting broadcasting frequency send pair when message；Message includes train grade TCDS at described pair
The etalon time of host；
Judge the current time of the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking and the train grade TCDS master
Error threshold at the time of whether the error of the etalon time of machine pre-sets more than one；
If the current time of the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking and the train grade TCDS
The error of the etalon time of host is more than the moment error threshold, then by the vehicle-mounted real-time online of train undesirable emergency braking
The current time of monitoring host apparatus is changed to the etalon time of the train grade TCDS hosts.
6. the vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking according to claim 5, which is characterized in that in reality
When receive the train tube pressure data that acquire in real time of train tube pressure sensor and brake-cylinder pressure sensor acquires in real time
After brake-cylinder pressure data, including：
Judge whether the train tube pressure data are more than pre-set Fisrt fault threshold value or less than pre-set the
Two fault thresholds；
If the train tube pressure data are more than the Fisrt fault threshold value, it is determined that the train tube pressure sensor occurs short
Road failure；
If the train tube pressure data are less than second fault threshold, it is determined that the train tube pressure sensor is opened
Road failure；
Judge whether the brake-cylinder pressure data are more than pre-set third fault threshold or less than pre-set the
Four fault thresholds；
If the brake-cylinder pressure data are more than the third fault threshold, it is determined that the brake-cylinder pressure sensor occurs short
Road failure；
If the brake-cylinder pressure data are less than the 4th fault threshold, it is determined that the brake-cylinder pressure sensor is opened
Road failure.
7. the vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking according to claim 6, which is characterized in that according to
The train tube pressure data determine train pipe decompression rate in real time, and monitor the train pipe decompression rate in real time, including：
According to pre-set sample frequency, an intermediate value data are taken using every n sampled point, from the train tube pressure data
Middle acquisition train tube pressure intermediate value data；Wherein n is less than or equal to 10；
Train tube pressure, which is generated, according to the train tube pressure intermediate value data propagates waveform；
The slope that the train tube pressure propagates waveform is monitored in real time, and is represented with the slope of train tube pressure propagation waveform
Train pipe decompression rate.
8. the vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking according to claim 7, which is characterized in that also wrap
It includes：
According to the pre-set sample frequency, an intermediate value data are taken using every n sampled point, from the brake-cylinder pressure
Brake-cylinder pressure intermediate value data are obtained in data；Wherein n is less than or equal to 10；
The train tube pressure intermediate value data and brake-cylinder pressure intermediate value data are stored in pre-set database.
9. the vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking according to claim 8, which is characterized in that pass through
The time reference of train grade TCDS hosts setting, by the way that emergency braking occurs described in the train network to full row broadcast transmission
Moment, so that train undesirable emergency braking vehicle-mounted real time on-line monitoring master of the train grade TCDS hosts according to each section compartment
Machine device is corresponding to be occurred to be ranked up and judge at the time of emergency braking, and the compartment of undesirable emergency braking occurs at first for positioning,
And alarm to full row broadcast, including：
Broadcasting packet at the time of carrying the generation emergency braking is sent to train grade TCDS hosts by train network；
The broadcasting packet is used to parse the generation emergency braking of the broadcasting packet carrying by the train grade TCDS hosts
At the time of, and the corresponding generation of the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking in each section compartment is promptly made
It is ranked up and judges at the time of dynamic, the compartment of undesirable emergency braking occurs at first for positioning, and broadcasts alarm to full row；
If the monitoring result represents that the compartment that emergency braking occurs at first is first compartment after train traction machine, it is determined that
Train emergency braking is braked for normal emergency；
If the compartment that the monitoring result represents that emergency braking occurs at first is not first compartment after train traction machine, really
Train emergency braking is determined for undesirable emergency braking, and train grade TCDS hosts pass through the coach number that undesirable emergency braking occurs first
Message is alarmed to full row broadcast.
10. the vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking according to claim 9, which is characterized in that
After at the time of emergency braking occurs described in full row broadcast transmission, further include：
After the undesirable emergency braking alarm for receiving train grade TCDS host broadcasts, sound and light alarm signal is sent out.
11. a kind of vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking, which is characterized in that applied to claim
1 to the 3 vehicle-mounted real time on-line monitoring system of any one of them train undesirable emergency braking, the train undesirable emergency braking are vehicle-mounted
Real time on-line monitoring host apparatus includes：
Data real-time reception unit, the train tube pressure data acquired in real time for real-time reception train tube pressure sensor and
The brake-cylinder pressure data that brake-cylinder pressure sensor acquires in real time；
Train pipe decompression rate monitoring unit, for determining train pipe decompression rate in real time according to the train tube pressure data,
And the train pipe decompression rate is monitored in real time；
Emergency braking determination unit, for being more than a default decompression rate threshold value and the braking in the train pipe decompression rate
When cylinder pressure data is more than pre-set pressure threshold, the vehicle-mounted real time on-line monitoring host dress of train undesirable emergency braking is determined
At the time of putting the compartment residing for itself and emergency braking occur, and record generation emergency braking；
Time information transmitting element, for pass through train grade TCDS hosts setting time reference, by the train network to
At the time of emergency braking occurs described in full row broadcast transmission, so that train of the train grade TCDS hosts according to each section compartment
The vehicle-mounted real time on-line monitoring host apparatus of undesirable emergency braking is corresponding to be occurred to be ranked up and judge at the time of emergency braking, fixed
The compartment of undesirable emergency braking occurs at first for position, and broadcasts alarm to full row.
12. the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking according to claim 11, feature exist
In further including：
Pair when message receiving unit, for receive train grade TCDS hosts with presetting broadcasting frequency send pair when message；It is described
Pair when message include the etalon times of train grade TCDS hosts；
Moment judging unit, for judge the current time of the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking with
Error threshold at the time of whether the error of the etalon time of the train grade TCDS hosts pre-sets more than one；
Pair when unit, in the current time of the vehicle-mounted real time on-line monitoring host apparatus of the train undesirable emergency braking and institute
When stating the error of the etalon time of train grade TCDS hosts more than the moment error threshold, by the train undesirable emergency braking
The current time of vehicle-mounted real time on-line monitoring host apparatus is changed to the etalon time of the train grade TCDS hosts.
13. the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking according to claim 12, feature exist
In further including：
Train tube pressure Transducer fault detection unit, for judging it is pre-set whether the train tube pressure data are more than
Fisrt fault threshold value or less than pre-set second fault threshold；It is more than the described first event in the train tube pressure data
When hindering threshold value, determine that short trouble occurs for the train tube pressure sensor；It is less than described the in the train tube pressure data
During two fault thresholds, determine that open fault occurs for the train tube pressure sensor；
Brake-cylinder pressure Transducer fault detection unit, for judging it is pre-set whether the brake-cylinder pressure data are more than
Third fault threshold or less than pre-set 4th fault threshold；It is more than third event in the brake-cylinder pressure data
When hindering threshold value, determine that short trouble occurs for the brake-cylinder pressure sensor；It is less than described the in the brake-cylinder pressure data
Four fault thresholds determine that open fault occurs for the brake-cylinder pressure sensor.
14. the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking according to claim 13, feature exist
In the train pipe decompression rate monitoring unit is specifically used for：
According to pre-set sample frequency, an intermediate value data are taken using every n sampled point, from the train tube pressure data
Middle acquisition train tube pressure intermediate value data；Wherein n is less than or equal to 10；
Train tube pressure, which is generated, according to the train tube pressure intermediate value data propagates waveform；
The slope that the train tube pressure propagates waveform is monitored in real time, and is represented with the slope of train tube pressure propagation waveform
Train pipe decompression rate.
15. the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking according to claim 14, feature exist
In further including：
Brake-cylinder pressure data processing unit, for according to the pre-set sample frequency, one to be taken using every n sampled point
A intermediate value data obtain brake-cylinder pressure intermediate value data from the brake-cylinder pressure data；Wherein n is less than or equal to 10；
Data storage cell, for the train tube pressure intermediate value data and brake-cylinder pressure intermediate value data to be stored in and set in advance
In the database put.
16. the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking according to claim 15, feature exist
In the time information transmitting element is specifically used for：
Broadcasting packet at the time of carrying the generation emergency braking is sent to train grade TCDS hosts by train network；
The broadcasting packet is used to parse the generation emergency braking of the broadcasting packet carrying by the train grade TCDS hosts
At the time of, and the corresponding generation of the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking in each section compartment is promptly made
It carries out and judges at the time of dynamic, the determining compartment that undesirable emergency braking occurs at first, and alarm to full row broadcast.
17. the vehicle-mounted real time on-line monitoring host apparatus of train undesirable emergency braking according to claim 16, feature exist
In further including：
Monitoring result receiving unit, for receiving the undesirable emergency braking alarm of train grade TCDS hosts transmission；
Acousto-optic warning unit when alarming for receiving the undesirable emergency braking of train grade TCDS host broadcasts, sends out sound
Visual alarm.
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| CN107941533A (en) * | 2017-12-18 | 2018-04-20 | 中国铁道科学研究院 | EMU unstability detecting system and method based on Industrial Ethernet |
| CN108680368A (en) * | 2018-05-25 | 2018-10-19 | 郑州智辆电子科技有限公司 | Row inspection equipment information management platform |
| CN108801663B (en) * | 2018-08-20 | 2023-11-14 | 眉山中车制动科技股份有限公司 | Vehicle brake tester and brake test method |
| CN109080614B (en) * | 2018-08-22 | 2021-03-26 | 中车株洲电力机车有限公司 | Fault processing method, system and equipment for emergency braking loop |
| CN110395276A (en) * | 2019-06-26 | 2019-11-01 | 北京全路通信信号研究设计院集团有限公司 | Control method and system for detecting braking force of vehicle |
| CN110525486B (en) * | 2019-08-14 | 2021-08-10 | 朔黄铁路发展有限责任公司 | Train running state identification method, device and system and storage medium |
| CN110497938A (en) * | 2019-08-26 | 2019-11-26 | 湖南中车时代通信信号有限公司 | A kind of quality real-time monitoring diagnostic method, device and computer readable storage medium for Locomotive Running Monitor System |
| CN111610034A (en) * | 2020-03-30 | 2020-09-01 | 中汽数据有限公司 | Parking lot environment scene testing system for AEB system safety performance |
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Effective date of registration: 20191205 Address after: 100081 Beijing city Haidian District Daliushu Road No. 2 Co-patentee after: BEIJING ZONGHENG ELECTRO-MECHANICAL TECHNOLOGY Co.,Ltd. Patentee after: CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Co-patentee after: LOCOMOTIVE & CAR RESEARCH INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Co-patentee after: TIEKE ASPECT (TIANJIN) TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 100081 Beijing city Haidian District Daliushu Road No. 2 Co-patentee before: BEIJING ZONGHENG ELECTRO-MECHANICAL TECHNOLOGY Co.,Ltd. Patentee before: CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Co-patentee before: LOCOMOTIVE & CAR RESEARCH INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. |