CN106274988A - 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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- CN106274988A CN106274988A CN201610821966.0A CN201610821966A CN106274988A CN 106274988 A CN106274988 A CN 106274988A CN 201610821966 A CN201610821966 A CN 201610821966A CN 106274988 A CN106274988 A CN 106274988A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 168
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- 230000006837 decompression Effects 0.000 claims abstract description 77
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- 238000012545 processing Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 7
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- 238000013500 data storage Methods 0.000 claims description 3
- 210000000352 storage cell Anatomy 0.000 claims description 3
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- 238000010586 diagram Methods 0.000 description 10
- 238000004590 computer program Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
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- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 238000012360 testing method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
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- 201000007094 prostatitis Diseases 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 invention provides a kind of vehicle-mounted real time on-line monitoring system of train undesirable emergency braking, method and device, relate to railroad coach brake system monitor technical field.The train tube pressure data in compartment, train tube pressure sensor Real-time Collection train tube pressure sensor place；The brake-cylinder pressure data in compartment, brake-cylinder pressure sensor Real-time Collection brake-cylinder pressure sensor place；The train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus that each compartment is arranged determines train pipe decompression rate in real time according to train tube pressure data；When train pipe decompression rate presets decompression rate threshold value and brake-cylinder pressure data more than the pressure threshold pre-set more than one, determine railway car generation brake hard, and send the moment of this compartment generation brake hard to train level TCDS main frame；The moment of each compartment generation brake hard is ranked up and judges by train level TCDS main frame, and location occurs the compartment of undesirable emergency braking at first, and reports to the police to full row broadcast.
Description
Technical field
The present invention relates to railroad coach brake system monitor technical field, particularly relate to a kind of train undesirable emergency braking car
Carry real time on-line monitoring system, method and device.
Background technology
Currently, train braking mode is generally divided into " service braking " and " brake hard " two kinds: service braking is normally
In the case of the braking implemented for regulation train speed, and brake hard is in case of emergency to be executed by making train stop as early as possible
The braking of row.The current domestic railway system starts 25G, 25K and 25T type general speed passenger train in a large number, and these trains generally make
With the self-action air damper of outfit 104 or F8 type air slide valves, design according to brake emergency sensitiveness, work as row
When car pipe decompression rate reaches 70～80kPa/s, train generation brake hard.But during passenger train runs, often occur non-
The undesirable emergency braking phenomenon of driver operation: such as, certain the joint compartment generation train pipe in train operation way, in train marshalling list
Fracture or air slide valve misoperation, cause train tube pressure air to arrange in a large number to air, according to brake characteristic, work as train
Pipe decompression rate reaches 70～80kPa/s, and first this compartment can produce brake hard, then causes entirely along with the transmission of suction wave
Row brake produces undesirable emergency braking.
And train once occurs undesirable emergency braking, then need temporary parking, inspection car personnel compartment ear one by one of getting off listen
And visual inspection, carried out segmentation release of brake test by driver's compounding practice simultaneously, first there is undesirable emergency braking in location
Vehicle, after taking measures to discharge fault, can continue to run with.Limited by train marshalling list length and parking environment, positioned disabled vehicle
General need take a long time, and affect the operation of other main track trains owing to the line is busy, often result in train large area late, sternly
Ghost image rings passenger train and runs.And there is presently no fast, the real-time online position monitor of train undesirable emergency braking accurately
Method.
Summary of the invention
Embodiments of the invention provide a kind of vehicle-mounted real time on-line monitoring system of train undesirable emergency braking, method and dress
Put, with meet in currently available technology also do not have fast, the real-time online position monitor side of train undesirable emergency braking accurately
The problem of method.
For reaching above-mentioned purpose, 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 level being arranged on train
TCDS main frame, it is arranged at train and respectively saves the train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus in compartment, be arranged at
The train tube pressure sensor in described each joint compartment and brake-cylinder pressure sensor；
Described train level TCDS main frame exists in real time by train network is vehicle-mounted with the train undesirable emergency braking in each joint compartment
Line monitoring host apparatus connects；Described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus and be positioned at same with it
Train tube pressure sensor and the brake-cylinder pressure sensor in compartment connect respectively；
Described train tube pressure sensor, for the train tube pressure in compartment, Real-time Collection train tube pressure sensor place
Data, and described train tube pressure data are sent to described train undesirable emergency braking vehicle-mounted real time on-line monitoring main frame dress
Put；
Described brake-cylinder pressure sensor, for the brake-cylinder pressure in compartment, Real-time Collection brake-cylinder pressure sensor place
Data, and described brake-cylinder pressure data are sent to described train undesirable emergency braking vehicle-mounted real time on-line monitoring main frame dress
Put；
The described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus that each compartment is arranged, for according to described
Train tube pressure data determine train pipe decompression rate in real time；Monitor described train pipe decompression rate in real time, at described train pipe
When decompression rate presets decompression rate threshold value and described brake-cylinder pressure data more than one more than the pressure threshold pre-set, really
Determine the railway car generation brake hard residing for train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, and record is sent out
The moment of raw brake hard；The time reference arranged by train level TCDS main frame, by described train network to entirely arranging broadcast
Send the moment of described generation brake hard；
Described train level TCDS main frame, for determining the full time reference arranging each compartment, and occurs receiving each compartment
Being ranked up after the moment of brake hard and judge, there is the compartment of undesirable emergency braking in location at first, and to full row broadcast report
Alert.
Concrete, described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus includes central processing element electricity
Road, sound light alarming circuit, memorizer, train network interface, train tube pressure sensor interface, brake-cylinder pressure sensor connect
Mouthful；
Described central processing element circuit is sensed with described train tube pressure by described train tube pressure sensor interface
Device connects；Described central processing element circuit is by described brake-cylinder pressure sensor interface and described brake-cylinder pressure sensor
Connect；Described central processing element circuit is connected with described train network by train network interface；Described central processing element
Circuit is connected with described sound light alarming circuit and memorizer the most respectively.
Concrete, described train tube pressure sensor is connected to the distributing valve in railway car brakes and arm blocks
Between cock；Described brake-cylinder pressure sensor is connected to the checking cylinder in railway car brakes and alleviates between cock.
Concrete, described train network is BPSK train network, OFDM train network or LonWorks train network.
A kind of vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking, is applied to above-mentioned train undesirable emergency braking
Vehicle-mounted real time on-line monitoring system, described method includes:
The train tube pressure data of real-time reception train tube pressure sensor Real-time Collection and brake-cylinder pressure sensor
The brake-cylinder pressure data of Real-time Collection；
Determine train pipe decompression rate in real time according to described train tube pressure data, and monitor the decompression of described train pipe in real time
Speed；
Decompression rate threshold value and described brake-cylinder pressure data are preset more than pre-more than one in described train pipe decompression rate
During the pressure threshold first arranged, determine the train that train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus self is residing
Compartment generation brake hard, and record the moment that brake hard occurs；
The time reference arranged by train level TCDS main frame, is sent out to described in full row broadcast transmission by described train network
The moment of raw brake hard, so that described train level TCDS main frame is according to the vehicle-mounted reality of train undesirable emergency braking in each joint compartment
Time on-line monitoring host apparatus corresponding occur brake hard moment be ranked up and judge, location there is unintended emergency at first
The compartment of braking, and report to the police to full row broadcast.
Further, this vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking, also include:
Receive train level TCDS main frame with presetting broadcasting frequency send pair time message；When described pair, message includes train level
The etalon time of TCDS main frame；
Judge the current time of train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus and described train level
Whether the error of the etalon time of TCDS main frame is more than a moment error threshold pre-set；
If the current time of described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus and described train level
The error of the etalon time of TCDS main frame is more than described moment error threshold, then by vehicle-mounted in real time for described train undesirable emergency braking
The current time of on-line monitoring host apparatus changes to the etalon time of described train level TCDS main frame.
It addition, at the train tube pressure data of real-time reception train tube pressure sensor Real-time Collection and brake-cylinder pressure
After the brake-cylinder pressure data of sensor Real-time Collection, including:
Judge that whether described train tube pressure data are more than the Fisrt fault threshold value pre-set or less than pre-setting
The second fault threshold；
If described train tube pressure data are more than described Fisrt fault threshold value, it is determined that described train tube pressure sensor is sent out
Raw short trouble；
If described train tube pressure data are less than described second fault threshold, it is determined that described train tube pressure sensor is sent out
Raw open fault；
Judge that whether described brake-cylinder pressure data are more than the 3rd fault threshold pre-set or less than pre-setting
The 4th fault threshold；
If described brake-cylinder pressure data are more than described 3rd fault threshold, it is determined that described brake-cylinder pressure sensor is sent out
Raw short trouble；
If described brake-cylinder pressure data are less than described 4th fault threshold, it is determined that described brake-cylinder pressure sensor is sent out
Raw open fault.
Concrete, determine train pipe decompression rate in real time according to described train tube pressure data, and monitor described row in real time
Car pipe decompression rate, including:
According to the sample frequency pre-set, every n sampled point is used to take intermediate value data, from described train tube pressure
Data obtain train tube pressure intermediate value data；Wherein n is less than or equal to 10；
Waveform is propagated according to described train tube pressure intermediate value data genaration train tube pressure；
Monitor described train tube pressure in real time and propagate the slope of waveform, and propagate the slope of waveform with described train tube pressure
Represent train pipe decompression rate.
Further, this vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking, also include:
According to the described sample frequency pre-set, every n sampled point is used to take intermediate value data, from described checking cylinder
Pressure data obtains brake-cylinder pressure intermediate value data；Wherein n is less than or equal to 10；
Described train tube pressure intermediate value data and brake-cylinder pressure intermediate value data are stored in the data base pre-set.
Concrete, by the time reference of train level TCDS main frame setting, sent out to full row broadcast by described train network
Send the moment of described generation brake hard, so that described train level TCDS main frame is according to the train unintended emergency system in each joint compartment
The moment that brake hard occurs that motor-car carries real time on-line monitoring host apparatus corresponding is ranked up and judges, location occurs at first
The compartment of undesirable emergency braking, and report to the police to full row broadcast, including:
Sent the broadcast report in the moment carrying described generation brake hard to train level TCDS main frame by train network
Literary composition；
The generation that described broadcasting packet is carried for parsing described broadcasting packet by described train level TCDS main frame is urgent
The moment of braking, and by tight for generation corresponding for the train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus in each joint compartment
The moment of anxious braking is ranked up and judges, location occurs the compartment of undesirable emergency braking at first, and reports to the police to full row broadcast；
If described monitoring result represents that it is first compartment after train traction machine that the compartment of brake hard occurs at first, then
Determine that train brake hard is normal emergency braking；
Occur the compartment of brake hard for first compartment after train traction machine at first if described monitoring result represents,
First then determine that train brake hard is undesirable emergency braking, will there is the coach number of undesirable emergency braking in train level TCDS main frame
Reported to the police to full row broadcast by message.
Further, after the moment described in full row broadcast transmission, brake hard occurring, also include:
After receiving the unintended emergency warning of train level TCDS host broadcast, send out sound and light alarm signal.
A kind of train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, is applied to above-mentioned train unintended emergency
Braking vehicle-mounted real time on-line monitoring system, described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus includes:
Data real-time reception unit, for the train tube pressure data of real-time reception train tube pressure sensor Real-time Collection
And the brake-cylinder pressure data of brake-cylinder pressure sensor Real-time Collection；
Train pipe decompression rate monitoring means, for determining train pipe decompression speed in real time according to described train tube pressure data
Rate, and monitor described train pipe decompression rate in real time；
Brake hard determines unit, for presetting decompression rate threshold value and described more than one in described train pipe decompression rate
When brake-cylinder pressure data are more than the pressure threshold pre-set, determine train undesirable emergency braking vehicle-mounted real time on-line monitoring master
The railway car generation brake hard that machine self is residing, and record the moment that brake hard occurs；
Time information transmitting element, for the time reference arranged by train level TCDS main frame, by described train net
To there is moment of brake hard in network, so that described train level TCDS main frame is according to each joint compartment described in full row broadcast transmission
The moment that brake hard occurs that train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus is corresponding is ranked up and sentences
Disconnected, there is the compartment of undesirable emergency braking in location, and reports to the police at first to full row broadcast.
Further, this train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, also include:
Pair time message receive unit, for receive train level TCDS main frame with presetting broadcasting frequency send pair time message；
When described pair, message includes the etalon time of train level TCDS main frame；
Moment judging unit, during for judging train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus current
Whether the error carving the etalon time with described train level TCDS main frame is more than a moment error threshold pre-set；
Pair time unit, at the current time of described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus
When being more than described moment error threshold with the error of the etalon time of described train level TCDS main frame, by described train unintended emergency
The current time braking vehicle-mounted real time on-line monitoring host apparatus changes to the etalon time of described train level TCDS main frame.
Further, this train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, also include:
Train tube pressure Transducer fault detection unit, is used for judging that whether described train tube pressure data are more than setting in advance
The Fisrt fault threshold value put or less than the second fault threshold pre-set；In described train tube pressure data more than described the
During one fault threshold, determine that described train tube pressure sensor is short-circuited fault；In described train tube pressure data less than institute
When stating the second fault threshold, determine described train tube pressure sensor generation open fault；
Brake-cylinder pressure Transducer fault detection unit, is used for judging that whether described brake-cylinder pressure data are more than setting in advance
The 3rd fault threshold put or less than the 4th fault threshold pre-set；In described brake-cylinder pressure data more than described the
During three fault thresholds, determine that described brake-cylinder pressure sensor is short-circuited fault；In described brake-cylinder pressure data less than institute
State the 4th fault threshold, determine described brake-cylinder pressure sensor generation open fault.
Additionally, described train pipe decompression rate monitoring means, specifically for:
According to the sample frequency pre-set, every n sampled point is used to take intermediate value data, from described train tube pressure
Data obtain train tube pressure intermediate value data；Wherein n is less than or equal to 10；
Waveform is propagated according to described train tube pressure intermediate value data genaration train tube pressure；
Monitor described train tube pressure in real time and propagate the slope of waveform, and propagate the slope of waveform with described train tube pressure
Represent train pipe decompression rate.
Further, this train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, also include:
Brake-cylinder pressure data processing unit, for the sample frequency pre-set described in basis, uses every n sampled point
Take intermediate value data, from described brake-cylinder pressure data, obtain brake-cylinder pressure intermediate value data；Wherein n is less than or equal to 10；
Data storage cell, for being stored in pre-by described train tube pressure intermediate value data and brake-cylinder pressure intermediate value data
In the data base first arranged.
Additionally, described time information transmitting element, specifically for:
Sent the broadcast report in the moment carrying described generation brake hard to train level TCDS main frame by train network
Literary composition；
The generation that described broadcasting packet is carried for parsing described broadcasting packet by described train level TCDS main frame is urgent
The moment of braking, and by tight for generation corresponding for the train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus in each joint compartment
The moment of anxious braking is ranked up and judges, determines the compartment that undesirable emergency braking occurs at first, and reports to the police to full row broadcast.
Further, this train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, also include:
Monitoring result receives unit, and the undesirable emergency braking sent for receiving train level TCDS main frame is reported to the police；
Acousto-optic warning unit, during for receiving the undesirable emergency braking warning of train level TCDS host broadcast, to outgoing
Speak visual alarm.
Embodiments of the invention provide a kind of vehicle-mounted real time on-line monitoring system of train undesirable emergency braking, method and dress
Put, by train tube pressure sensor can with the train tube pressure data in compartment, Real-time Collection train tube pressure sensor place,
And described train tube pressure data are sent to described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus；Pass through
Brake-cylinder pressure sensor can be with the brake-cylinder pressure data in compartment, Real-time Collection brake-cylinder pressure sensor place, and by described
Brake-cylinder pressure data are sent to described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus；So, train meaning
Outer brake hard vehicle-mounted real time on-line monitoring host apparatus can determine train pipe decompression speed in real time according to train tube pressure data
Rate；Monitor described train pipe decompression rate in real time, preset decompression rate threshold value and institute in described train pipe decompression rate more than one
When stating brake-cylinder pressure data more than the pressure threshold pre-set, determine the vehicle-mounted real time on-line monitoring of train undesirable emergency braking
Railway car generation brake hard residing for host apparatus, and record the moment that brake hard occurs；By train level TCDS master
The time reference that machine is arranged, by described train network to the moment that brake hard occurs described in full row broadcast transmission；So, row
Car level TCDS main frame can be corresponding according to the train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus in each joint compartment
The moment that brake hard occurs is ranked up and judges, determines the compartment that undesirable emergency braking occurs at first, and to entirely arranging broadcast
Report to the police.By the present invention can fast, accurately real-time online location there is the compartment of undesirable emergency braking, it is to avoid work as prostatitis
Car undesirable emergency braking accident treatment speed is slowly and the problem of very complicated.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
The structure of a kind of vehicle-mounted real time on-line monitoring system of train undesirable emergency braking that Fig. 1 provides for the embodiment of the present invention
Schematic diagram one；
The structure of a kind of vehicle-mounted real time on-line monitoring system of train undesirable emergency braking that Fig. 2 provides for the embodiment of the present invention
Schematic diagram two；
Fig. 3 is the structural representation of the railway car brakes in the embodiment of the present invention；
The flow process of a kind of vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking that Fig. 4 provides for the embodiment of the present invention
Figure one；
Right in a kind of vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking that Fig. 5 provides for the embodiment of the present invention
Time mechanism flow chart；
The flow process of a kind of vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking that Fig. 6 provides for the embodiment of the present invention
Figure two；
Fig. 7 be in the embodiment of the present invention brake hard ripple at the full direction of propagation schematic diagram arranging each compartment；
Fig. 8 is that in the embodiment of the present invention, train tube pressure propagates waveform and the schematic diagram of temporal aspect；
A kind of train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus that Fig. 9 provides for the embodiment of the present invention
Structural representation one；
A kind of train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus that Figure 10 provides for the embodiment of the present invention
Structural representation two.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
During realizing the present invention, inventor finds, there is following scheme in prior art:
Such as a kind of row inspection operation detection equipment, installs a set of examination wind cabinet, executor, electron wind when ground row inspection operation
Table, the tail pressure ground installation such as terminal, computer, available Fast Ethernet means of communication is unexpected to occurring in row inspection operation
The vehicle of brake hard judges, but is limited by space, and these ground installations cannot be installed on passenger train, passenger simultaneously
The physical medium that can carry out ethernet communication is not the most laid, so this equipment and method are also only limited to make in row inspection on train
Industry uses, it is impossible to apply in vehicle-mounted real-time monitoring.
And the present invention is different from such scheme, as it is 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 arranged on train
Running Diagnosis System, is called for short TCDS) main frame 101, it is arranged at train and respectively saves the train unintended emergency system in compartment
Motor-car carries real time on-line monitoring host apparatus 102, the train tube pressure sensor 103 being arranged at described each joint compartment and checking cylinder
Pressure transducer 104.Wherein, whole train can install a train level TCDS main frame 101, and the often joint compartment of train is the most corresponding
There are a train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus 102, train tube pressure sensor 103 and checking cylinder
Pressure transducer 104.
Described train level TCDS main frame 101 is vehicle-mounted with the train undesirable emergency braking in each joint compartment by train network 105
Real time on-line monitoring host apparatus 102 connects；Described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus 102 He
The train tube pressure sensor 103 and the brake-cylinder pressure sensor 104 that are positioned at same compartment with it are connected respectively.
Herein, described train tube pressure sensor 103, can be with the row in compartment, Real-time Collection train tube pressure sensor place
Car pipe pressure data, and described train tube pressure data are sent to the described vehicle-mounted real time on-line monitoring of train undesirable emergency braking
Host apparatus.
Described brake-cylinder pressure sensor 104, can be with the checking cylinder in compartment, Real-time Collection brake-cylinder pressure sensor place
Pressure data, and described brake-cylinder pressure data are sent to described train undesirable emergency braking vehicle-mounted real time on-line monitoring main frame
Device.
The described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus 102 that each compartment is arranged, can basis
Described train tube pressure data determine train pipe decompression rate in real time；Monitor described train pipe decompression rate in real time, at described row
Car pipe decompression rate presets decompression rate threshold value and described brake-cylinder pressure data more than one more than the pressure threshold pre-set
Time, determine the railway car generation brake hard residing for train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, and
There is the moment of brake hard in record；The time reference arranged by train level TCDS main frame, by described train network to entirely
The moment of brake hard is there is described in row broadcast transmission.
Described train level TCDS main frame 101, for determining the full time reference arranging each compartment, and sends out receiving each compartment
Being ranked up after the moment of raw brake hard and judge, there is the compartment of undesirable emergency braking in location at first, and to entirely arranging broadcast
Report to the police.
Concrete, as in figure 2 it is shown, described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus 102 includes
Central processing element circuit 106, sound light alarming circuit 107, memorizer 108, train network interface 109, train tube pressure sense
Device interface 110, brake-cylinder pressure sensor interface 111.
Described central processing element circuit 106 is by described train tube pressure sensor interface 110 and described train pipe pressure
Force transducer 103 connects；Described central processing element circuit 106 passes through described brake-cylinder pressure sensor interface 111 with described
Brake-cylinder pressure sensor 104 connects；Described central processing element circuit 106 is by train network interface 109 and described train
Network 105 connects；Described central processing element circuit 106 connects with described sound light alarming circuit 107 and memorizer 108 the most respectively
Connect.
What deserves to be explained is, train tube pressure sensor 103 and brake-cylinder pressure sensor 104 can be arranged at such as Fig. 3
In shown railway car brakes 200, this railway car brakes 200 includes: train pipe 201, train pipe arm
202, dust arrester 203, arm cutout cock 204, distributing valve 205, work reservoir 206, auxiliary reservoir 207, alleviate cock 208 and
Checking cylinder 209.Owing to the structure comparison of railway car brakes is common, the most no longer structure to railway car brakes
It is described in detail.Distributing valve 205 He that described train tube pressure sensor 103 is connected in railway car brakes 200
Between arm cutout cock 204；Described brake-cylinder pressure sensor 104 is connected to the braking in railway car brakes 200
Between cylinder 209 and alleviation cock 208.
Additionally, described train network 105 can be binary phase shift keying (Binary Phase Shift Keying, letter
Claim BPSK) train network, OFDM (Orthogonal Frequency Division Multiplexing, be called for short
OFDM) train network or fieldbus LonWorks train network.The communication media of train network 105 both can use train
The twisted-pair feeder of full row that have, through or parallel lines.
Embodiments of the invention provide a kind of train undesirable emergency braking vehicle-mounted monitoring system, are sensed by train tube pressure
Device can be with the train tube pressure data in compartment, Real-time Collection train tube pressure sensor place, and by described train tube pressure data
It is sent to described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus；Can be real by brake-cylinder pressure sensor
Time gather the brake-cylinder pressure data in compartment, brake-cylinder pressure sensor place, and described brake-cylinder pressure data are sent to institute
State train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus；So, the vehicle-mounted real-time online of train undesirable emergency braking
Monitoring host apparatus can determine train pipe decompression rate in real time according to train tube pressure data；Monitor described train pipe in real time to subtract
Pressure speed, presets decompression rate threshold value and described brake-cylinder pressure data more than in advance in described train pipe decompression rate more than one
During the pressure threshold arranged, determine that the railway car residing for train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus is sent out
Raw brake hard, and record the moment that brake hard occurs；The time reference arranged by train level TCDS main frame, by described
Train network is to the moment that brake hard occurs described in full row broadcast transmission；So, train level TCDS main frame can be according to each joint
The moment that brake hard occurs that the train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus in compartment is corresponding arranges
Sequence and judgement, determine the compartment that undesirable emergency braking occurs at first, and report to the police to full row broadcast.By the present invention can fast,
There is the compartment of undesirable emergency braking in real-time online location accurately, it is to avoid current train undesirable emergency braking accident treatment speed
Spend the slow and problem of 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, should
For the vehicle-mounted real time on-line monitoring system of train undesirable emergency braking shown in above-mentioned Fig. 1, Fig. 2, described method includes:
Step 301, the train tube pressure data of real-time reception train tube pressure sensor Real-time Collection and checking cylinder pressure
The brake-cylinder pressure data of force transducer Real-time Collection.
Step 302, determine train pipe decompression rate in real time according to described train tube pressure data, and monitor described row in real time
Car pipe decompression rate.
Step 303, preset decompression rate threshold value and described brake-cylinder pressure number in described train pipe decompression rate more than one
According to during more than the pressure threshold pre-set, determine train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus self institute
The railway car generation brake hard at place, and record the moment that brake hard occurs.
Step 304, the time reference arranged by train level TCDS main frame, sent out to full row broadcast by described train network
Send the moment of described generation brake hard, so that described train level TCDS main frame is according to the train unintended emergency system in each joint compartment
The moment that brake hard occurs that motor-car carries real time on-line monitoring host apparatus corresponding carries out and judges, location occurs accident at first
The compartment of brake hard, and report to the police to full row broadcast.
Embodiments of the invention provide a kind of vehicle-mounted monitoring method of train undesirable emergency braking, can fast, accurately in fact
Time tuning on-line generation brake hard compartment, it is to avoid current train undesirable emergency braking accident treatment speed is slow and loaded down with trivial details
Complicated problem.
In order to make those skilled in the art 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:
As shown in Figure 5 pair time mechanism:
Step 401, receive train level TCDS main frame with presetting broadcasting frequency send pair time message.
When described pair, message includes the etalon time of train level TCDS main frame, and precision is Millisecond.Wherein preset broadcast frequency
Rate can be 1 time per minute.
Step 402, judge that the current time of train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus is with described
Whether the error of the etalon time of train level TCDS main frame is more than a moment error threshold pre-set.
The moment error threshold that this pre-sets can be 5ms.
If the current time of step 403 described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus and institute
The error of the etalon time stating train level TCDS main frame is more than described moment error threshold, then by described train undesirable emergency braking
The current time of vehicle-mounted real time on-line monitoring host apparatus changes to the etalon time of described train level TCDS main frame.
Shown in this Fig. 5 pair time mechanism process can be vehicle-mounted in real time with the train undesirable emergency braking being illustrated in fig. 6 shown below
On-line monitoring method is carried out simultaneously, unified to ensure the moment of whole train.
As shown in Figure 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:
Step 501, the train tube pressure data of real-time reception train tube pressure sensor Real-time Collection and checking cylinder pressure
The brake-cylinder pressure data of force transducer Real-time Collection.After step 501, step 502, step 505 or step can be performed
Rapid 508.
Step 502, judge that described train tube pressure data are whether more than the Fisrt fault threshold value pre-set or be less than
The second fault threshold pre-set.
Herein, by step 502 to step 504, train tube pressure sensor can be checked.
If step 503 described train tube pressure data are more than described Fisrt fault threshold value, it is determined that described train tube pressure
Sensor is short-circuited fault.
If step 504 described train tube pressure data are less than described second fault threshold, it is determined that described train tube pressure
Sensor generation open fault.
Herein, can judge that train tube pressure sensor is the most working properly according to data trend.Train tube pressure senses
The output electric current of device is generally 4-20mA, and corresponding 0-1000kPa force value, if the train tube pressure sensing data of collection is little
When-30kPa (the i.e. second fault threshold), diagnosable for open fault, during more than 1000kPa (i.e. Fisrt fault threshold value), can
It is diagnosed as short trouble.
Step 505, judge that described brake-cylinder pressure data are whether more than the 3rd fault threshold pre-set or be less than
The 4th fault threshold pre-set.
Herein, brake-cylinder pressure sensor can be checked by step 505 to step 507.
If step 506 described brake-cylinder pressure data are more than described 3rd fault threshold, it is determined that described brake-cylinder pressure
Sensor is short-circuited fault.
If step 507 described brake-cylinder pressure data are less than described 4th fault threshold, it is determined that described brake-cylinder pressure
Sensor generation open fault.
Herein, can judge that brake-cylinder pressure sensor is the most working properly according to data trend.Brake-cylinder pressure senses
The output electric current of device is generally 4-20mA, and corresponding 0-1000kPa force value, if the brake-cylinder pressure sensing data of collection is little
When-30kPa (the i.e. the 4th fault threshold), diagnosable for open fault, during more than 1000kPa (the i.e. the 3rd fault threshold), can
It is diagnosed as short trouble.
The sample frequency that step 508, basis pre-set, uses every n sampled point to take intermediate value data, from described row
Car pipe pressure data obtain train tube pressure intermediate value data.
Wherein n is less than or equal to 10.Sample frequency herein can be 1kHz.Then based on this sample frequency, such as can be every
10 points take intermediate value data.
Step 509, according to described train tube pressure intermediate value data genaration train tube pressure propagate waveform.
Step 510, the in real time described train tube pressure of monitoring propagate the slope of waveform, and with described train tube pressure propagating wave
The slope of shape represents train pipe decompression rate.
Herein, step 509 is described to the process of step 510 with an instantiation.Such as in train, certain compartment occurs
Undesirable emergency braking, the train tube pressure air in this compartment is arranged to air in a large number, and train tube pressure drastically declines, and forms urgent system
Dynamic ripple, according to suction wave transfer principle, brake hard ripple arranges the direction of propagation in each compartment as shown in Figure 7 complete.According to brake
Characteristic, when train pipe decompression rate reaches 70～80kPa/s, by brake distributing valve action, brake-cylinder pressure rapid increase,
Brake rigging is promoted to produce emergency braking action.Measured by test, the train pipe in each compartment in the brake hard time period
Pressure propagation waveform and temporal aspect as shown in Figure 8, by 20 joint compartments marshallings train as a example by, N1For first occurring promptly to make
The braking waveform of motor-car, N2It is the 2nd the braking waveform that emergency vehicle occurs, N20For the last system that brake hard vehicle occurs
Dynamic waveform.The speed declined according to train tube pressure, N13 stages, t can be divided into0It is moment of starting of brake hard, t0To t1For
The first stage that pressure declines, persistent period about 700ms, decompression rate is about 100kPa/s；t1To t2Second declined for pressure
In the stage, persistent period about 100ms, decompression rate is about 200kPa/s；t2To t3The phase III declined for pressure, the persistent period
About 2200ms, decompression rate is about 150kPa/s；Therefore, second stage is the effect of easing stress the most obvious time period.
The sample frequency pre-set described in step 511, basis, uses every n sampled point to take intermediate value data, 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, described train tube pressure intermediate value data and brake-cylinder pressure intermediate value data are stored in pre-set
In data base.
Step 513, preset decompression rate threshold value and described brake-cylinder pressure number in described train pipe decompression rate more than one
According to during more than the pressure threshold pre-set, determine train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus self institute
The railway car generation brake hard at place, and record the moment that brake hard occurs.
Such as, as shown in Figure 8, can use herein and compare 10 train tube pressure intermediate values continuously, 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. presetting decompression rate threshold value),
Brake-cylinder pressure is more than 35kPa (pressure threshold i.e. pre-set) simultaneously, then judge to occur emergency braking action to occur, note the
10 train tube pressure intermediate value acquisition times are the time that brake hard 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, sent to train level TCDS main frame by train network and carry moment of described generation brake hard
Broadcasting packet.
Wherein, described broadcasting packet is used for parsing the generation that described broadcasting packet carries by described train level TCDS main frame
The moment of brake hard, and corresponding for the train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus in each joint compartment is sent out
The moment of raw brake hard is ranked up and judges, location occurs the compartment of undesirable emergency braking at first, and to full row broadcast report
Alert.
If described monitoring result represents that it is first compartment after train traction machine that the compartment of brake hard occurs at first, then
Determine that train brake hard is normal emergency braking.
Occur the compartment of brake hard for first compartment after train traction machine at first if described monitoring result represents,
First then determine that train brake hard is undesirable emergency braking, will there is the coach number of undesirable emergency braking in train level TCDS main frame
Reported to the police to full row broadcast by message.
The undesirable emergency braking that step 515, reception train level TCDS main frame send is reported to the police.
Step 516, send out sound and light alarm signal.
This sound and light alarm signal packet is containing the coach number that undesirable emergency braking occurs at first.
Embodiments of the invention provide a kind of vehicle-mounted monitoring method of train undesirable emergency braking, are sensed by train tube pressure
Device can be with the train tube pressure data in compartment, Real-time Collection train tube pressure sensor place, and by described train tube pressure data
It is sent to described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus；Can be real by brake-cylinder pressure sensor
Time gather the brake-cylinder pressure data in compartment, brake-cylinder pressure sensor place, and described brake-cylinder pressure data are sent to institute
State train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus；So, the vehicle-mounted real-time online of train undesirable emergency braking
Monitoring host apparatus can determine train pipe decompression rate in real time according to train tube pressure data；Monitor described train pipe in real time to subtract
Pressure speed, presets decompression rate threshold value and described brake-cylinder pressure data more than in advance in described train pipe decompression rate more than one
During the pressure threshold arranged, determine that the railway car residing for train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus is sent out
Raw brake hard, and record the moment that brake hard occurs；The time reference arranged by train level TCDS main frame, by described
To there is moment of brake hard in train network, so that described train level TCDS main frame is according to each joint described in full row broadcast transmission
The moment that brake hard occurs that the train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus in compartment is corresponding carry out and
Judge, determine the compartment that undesirable emergency braking occurs at first, and report to the police to full row broadcast.Can fast, accurately by the present invention
Real-time online location there is the compartment of undesirable emergency braking, it is to avoid current train undesirable emergency braking accident treatment speed is delayed
Slow and the problem of very complicated.Visible, the present invention can real-time online, be accurately positioned in running train generation undesirable emergency braking
Compartment, and notify that testing staff processes by the way of full row sound and light alarm, substantially increase the efficiency of accident treatment.
It addition, fault compartment, real time on-line monitoring location, eliminate driver and carry out the action of segmentation release of brake, simplify accident treatment
Operating process.Take, additionally, also reduce, the time that main track stops, the economic loss of railway transportation will be reduced to
Little, ensure the properly functioning of railway transportation.Shorten the time of exception parking, reduce passenger and throw due to long-time parking
The probability told, has ensured the reputation of Railway Passenger Transport.
As it is 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 main frame dress
Putting, be applied to the above-mentioned vehicle-mounted real time on-line monitoring system of train undesirable emergency braking, described train undesirable emergency braking is vehicle-mounted
Real time on-line monitoring host apparatus includes:
Data real-time reception unit 61, for the train tube pressure number of real-time reception train tube pressure sensor Real-time Collection
According to this and the brake-cylinder pressure data of brake-cylinder pressure sensor Real-time Collection.
According to described train tube pressure data, train pipe decompression rate monitoring means 62, for determining that train pipe reduces pressure in real time
Speed, and monitor described train pipe decompression rate in real time.
Brake hard determines unit 63, for presetting decompression rate threshold value and institute in described train pipe decompression rate more than one
When stating brake-cylinder pressure data more than the pressure threshold pre-set, determine the vehicle-mounted real time on-line monitoring of train undesirable emergency braking
The railway car generation brake hard that host apparatus self is residing, and record the moment that brake hard occurs.
Time information transmitting element 64, for the time reference arranged by train level TCDS main frame, by described train
To there is moment of brake hard in network, so that described train level TCDS main frame is according to each joint compartment described in full row broadcast transmission
Train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus corresponding occur brake hard moment be ranked up and
Judging, there is the compartment of undesirable emergency braking in location, and reports to the police at first to full row broadcast.
Further, as shown in Figure 10, this train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, also wraps
Include:
Pair time message receive unit 65, for receive train level TCDS main frame with presetting broadcasting frequency send to Times
Literary composition；When described pair, message includes the etalon time of train level TCDS main frame.
Moment judging unit 66, for judging the current of train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus
Whether the moment is more than a moment error threshold pre-set with the error of the etalon time of described train level TCDS main frame.
Pair time unit 67, for when described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus current
When the error of the etalon time of quarter and described train level TCDS main frame is more than described moment error threshold, by unexpected for described train tight
The anxious current time braking vehicle-mounted real time on-line monitoring host apparatus changes to the etalon time of described train level TCDS main frame.
Further, as shown in Figure 10, this train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, also wraps
Include:
Train tube pressure Transducer fault detection unit 68, is used for judging that whether described train tube pressure data are more than in advance
The Fisrt fault threshold value that arranges or less than the second fault threshold of pre-setting；In described train tube pressure data more than described
During Fisrt fault threshold value, determine that described train tube pressure sensor is short-circuited fault；It is less than in described train tube pressure data
During described second fault threshold, determine described train tube pressure sensor generation open fault.
Brake-cylinder pressure Transducer fault detection unit 69, is used for judging that whether described brake-cylinder pressure data are more than in advance
The 3rd fault threshold that arranges or less than the 4th fault threshold that pre-sets；In described brake-cylinder pressure data more than described
During three fault thresholds, determine that described brake-cylinder pressure sensor is short-circuited fault；It is less than in described brake-cylinder pressure data
Described 4th fault threshold, determines described brake-cylinder pressure sensor generation open fault.
Additionally, described train pipe decompression rate monitoring means 62, specifically can:
According to the sample frequency pre-set, every n sampled point is used to take intermediate value data, from described train tube pressure
Data obtain train tube pressure intermediate value data；Wherein n is less than or equal to 10.
Waveform is propagated according to described train tube pressure intermediate value data genaration train tube pressure.
Monitor described train tube pressure in real time and propagate the slope of waveform, and propagate the slope of waveform with described train tube pressure
Represent train pipe decompression rate.
Further, as shown in Figure 10, this train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, also wraps
Include:
Brake-cylinder pressure data processing unit 70, for the sample frequency pre-set described in basis, uses every n sampling
Point takes intermediate value data, obtains brake-cylinder pressure intermediate value data from described brake-cylinder pressure data；Wherein n is less than or equal to
10。
Data storage cell 71, for being stored in described train tube pressure intermediate value data and brake-cylinder pressure intermediate value data
In the data base pre-set.
Additionally, described time information transmitting element 64, specifically for:
Sent the broadcast report in the moment carrying described generation brake hard to train level TCDS main frame by train network
Literary composition.
The generation that described broadcasting packet is carried for parsing described broadcasting packet by described train level TCDS main frame is urgent
The moment of braking, and by tight for generation corresponding for the train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus in each joint compartment
The moment of anxious braking carries out and judges, determines the compartment that undesirable emergency braking occurs at first, and reports to the police to full row broadcast.
Further, as shown in Figure 10, this train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, also wraps
Include:
Monitoring result receives unit 72, and the undesirable emergency braking sent for receiving train level TCDS main frame is reported to the police.
Acousto-optic warning unit 73, during for reporting to the police in the unintended emergency receiving train level TCDS host broadcast, to outgoing
Speak visual alarm.
What deserves to be explained is, embodiments of the invention provide a kind of train undesirable emergency braking vehicle-mounted real time on-line monitoring master
The specific implementation of machine may refer to above-mentioned embodiment of the method, and here is omitted.
Embodiments of the invention provide a kind of train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, by row
Car pipe pressure sensor can be with the train tube pressure data in compartment, Real-time Collection train tube pressure sensor place, and by described row
Car pipe pressure data are sent to described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus；Pass through brake-cylinder pressure
Sensor can be with the brake-cylinder pressure data in compartment, Real-time Collection brake-cylinder pressure sensor place, and by described brake-cylinder pressure
Data are sent to described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus；So, 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
Described train pipe decompression rate, presets decompression rate threshold value and described brake-cylinder pressure in described train pipe decompression rate more than one
When data are more than the pressure threshold pre-set, determine residing for train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus
Railway car generation brake hard, and record occur brake hard moment；The time arranged by train level TCDS main frame
Benchmark, by described train network to moment of brake hard occurs described in full row broadcast transmission, so that described train level
TCDS main frame is urgent according to the generation that the train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus in each joint compartment is corresponding
The moment of braking is ranked up and judges, determines the compartment that undesirable emergency braking occurs at first, and reports to the police to full row broadcast.Pass through
The present invention can fast, accurately real-time online location there is the compartment of undesirable emergency braking, it is to avoid current train is unexpected tight
Anxious braking accident treatment speed is slowly and the problem of very complicated.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the reality in terms of the present invention can use complete hardware embodiment, complete software implementation or combine software and hardware
Execute the form of example.And, the present invention can use at one or more computers wherein including computer usable program code
The upper computer program product implemented of usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.)
The form of product.
The present invention is with reference to method, equipment (system) and the flow process of computer program according to embodiments of the present invention
Figure and/or block diagram describe.It should be understood that can the most first-class by computer program instructions flowchart and/or block diagram
Flow process in journey and/or square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
Instruction arrives the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce
A raw machine so that the instruction performed by the processor of computer or other programmable data processing device is produced for real
The device of the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame now.
These computer program instructions may be alternatively stored in and computer or other programmable data processing device can be guided with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in this computer-readable memory produces and includes referring to
Make the manufacture of device, this command device realize at one flow process of flow chart or multiple flow process and/or one square frame of block diagram or
The function specified in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing device so that at meter
Perform sequence of operations step on calculation machine or other programmable devices to produce computer implemented process, thus at computer or
The instruction performed on other programmable devices provides for realizing at one flow process of flow chart or multiple flow process and/or block diagram one
The step of the function specified in individual square frame or multiple square frame.
The present invention applies specific embodiment principle and the embodiment of the present invention are set forth, above example
Explanation be only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art,
According to the thought of the present invention, the most all will change, in sum, in this specification
Hold and should not be construed as limitation of the present invention.
Claims (18)
1. the vehicle-mounted real time on-line monitoring system of train undesirable emergency braking, it is characterised in that including: be arranged on train
Train level TCDS main frame, be arranged at train respectively save compartment train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus,
It is arranged at train tube pressure sensor and the brake-cylinder pressure sensor in described each joint compartment；
Described train level TCDS main frame is supervised by the vehicle-mounted real-time online of train undesirable emergency braking of train network with each joint compartment
Survey host apparatus connects；Described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus and be positioned at same compartment with it
Train tube pressure sensor and brake-cylinder pressure sensor connect respectively；
Described train tube pressure sensor, for the train tube pressure number in compartment, Real-time Collection train tube pressure sensor place
According to, and described train tube pressure data are sent to described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus；
Described brake-cylinder pressure sensor, for the brake-cylinder pressure number in compartment, Real-time Collection brake-cylinder pressure sensor place
According to, and described brake-cylinder pressure data are sent to described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus；
The described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus that each compartment is arranged, for according to described train
Pipe pressure data determine train pipe decompression rate in real time；Monitor described train pipe decompression rate in real time, reduce pressure at described train pipe
When speed presets decompression rate threshold value and described brake-cylinder pressure data more than one more than the pressure threshold pre-set, determine row
Railway car generation brake hard residing for car undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, and it is tight to record generation
The moment of anxious braking；The time reference arranged by train level TCDS main frame, by described train network to full row broadcast transmission
The moment of described generation brake hard；
Described train level TCDS main frame, for determining the full time reference arranging each compartment, and occurs urgent receiving each compartment
Being ranked up after the moment of braking and judge, there is the compartment of undesirable emergency braking in location, and reports to the police at first to full row broadcast.
The vehicle-mounted real time on-line monitoring system of train undesirable emergency braking the most according to claim 1, it is characterised in that described
Train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus includes central processing element circuit, sound light alarming circuit, deposits
Reservoir, train network interface, train tube pressure sensor interface, brake-cylinder pressure sensor interface；
Described central processing element circuit is by described train tube pressure sensor interface with described train tube pressure sensor even
Connect；Described central processing element circuit is by described brake-cylinder pressure sensor interface with described brake-cylinder pressure sensor even
Connect；Described central processing element circuit is connected with described train network by train network interface；Described central processing element electricity
Road is connected with described sound light alarming circuit and memorizer the most respectively.
The vehicle-mounted real time on-line monitoring system of train undesirable emergency braking the most according to claim 1, it is characterised in that described
Train tube pressure sensor is connected to the distributing valve in railway car brakes and between arm cutout cock；Described checking cylinder
Pressure transducer is connected to the checking cylinder in railway car brakes and alleviates between cock.
The vehicle-mounted real time on-line monitoring system of train undesirable emergency braking the most according to claim 1, it is characterised in that described
Train network is BPSK train network, OFDM train network or LonWorks train network.
5. the vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking, it is characterised in that be applied to Claims 1-4
The vehicle-mounted real time on-line monitoring system of train undesirable emergency braking described in any one, described method includes:
Train tube pressure data and the brake-cylinder pressure sensor of real-time reception train tube pressure sensor Real-time Collection are real-time
The brake-cylinder pressure data gathered；
Determine train pipe decompression rate in real time according to described train tube pressure data, and monitor described train pipe decompression speed in real time
Rate；
Decompression rate threshold value and described brake-cylinder pressure data are preset more than one more than setting in advance in described train pipe decompression rate
During the pressure threshold put, determine the railway car that train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus self is residing
There is brake hard, and record the moment that brake hard occurs；
The time reference arranged by train level TCDS main frame is tight to occurring described in full row broadcast transmission by described train network
The moment of anxious braking, so that described train level TCDS main frame exists in real time according to the train undesirable emergency braking in each joint compartment is vehicle-mounted
The moment that brake hard occurs that line monitoring host apparatus is corresponding is ranked up and judges, location occurs undesirable emergency braking at first
Compartment, and report to the police to full row broadcast.
The vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking the most according to claim 5, it is characterised in that also wrap
Include:
Receive train level TCDS main frame with presetting broadcasting frequency send pair time message；When described pair, message includes train level TCDS
The etalon time of main frame；
Judge the current time of train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus and described train level TCDS master
Whether the error of the etalon time of machine is more than a moment error threshold pre-set；
If the current time of described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus and described train level TCDS
The error of the etalon time of main frame is more than described moment error threshold, then by the described vehicle-mounted real-time online of train undesirable emergency braking
The current time of monitoring host apparatus changes to the etalon time of described train level TCDS main frame.
The vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking the most according to claim 6, it is characterised in that in reality
Time receive the train tube pressure data of train tube pressure sensor Real-time Collection and brake-cylinder pressure sensor Real-time Collection
After brake-cylinder pressure data, including:
Judge that described train tube pressure data are whether more than the Fisrt fault threshold value pre-set or less than the pre-set
Two fault thresholds；
If described train tube pressure data are more than described Fisrt fault threshold value, it is determined that described train tube pressure sensor occurs short
Road fault；
If described train tube pressure data are less than described second fault threshold, it is determined that described train tube pressure sensor is opened
Road fault；
Judge that described brake-cylinder pressure data are whether more than the 3rd fault threshold pre-set or less than the pre-set
Four fault thresholds；
If described brake-cylinder pressure data are more than described 3rd fault threshold, it is determined that described brake-cylinder pressure sensor occurs short
Road fault；
If described brake-cylinder pressure data are less than described 4th fault threshold, it is determined that described brake-cylinder pressure sensor is opened
Road fault.
The vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking the most according to claim 7, it is characterised in that according to
Described train tube pressure data determine train pipe decompression rate in real time, and monitor described train pipe decompression rate in real time, including:
According to the sample frequency pre-set, every n sampled point is used to take intermediate value data, from described train tube pressure data
Middle acquisition train tube pressure intermediate value data；Wherein n is less than or equal to 10；
Waveform is propagated according to described train tube pressure intermediate value data genaration train tube pressure；
Monitor described train tube pressure in real time and propagate the slope of waveform, and represent with the slope of described train tube pressure propagation waveform
Train pipe decompression rate.
The vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking the most according to claim 8, it is characterised in that also wrap
Include:
According to the described sample frequency pre-set, every n sampled point is used to take intermediate value data, from described brake-cylinder pressure
Data obtain brake-cylinder pressure intermediate value data；Wherein n is less than or equal to 10；
Described train tube pressure intermediate value data and brake-cylinder pressure intermediate value data are stored in the data base pre-set.
The vehicle-mounted realtime on-line monitoring method of train undesirable emergency braking the most according to claim 9, it is characterised in that logical
Cross the time reference that train level TCDS main frame is arranged, by described train network to brake hard occurs described in full row broadcast transmission
Moment so that described train level TCDS main frame is according to the vehicle-mounted real time on-line monitoring of train undesirable emergency braking in each joint compartment
The moment that brake hard occurs that host apparatus is corresponding is ranked up and judges, location occurs the car of undesirable emergency braking at first
Railway carriage or compartment, and report to the police to full row broadcast, including:
Sent the broadcasting packet in the moment carrying described generation brake hard to train level TCDS main frame by train network；
Described broadcasting packet is used for parsing the generation brake hard that described broadcasting packet carries by described train level TCDS main frame
Moment, and generation corresponding for the train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus in each joint compartment is promptly made
The dynamic moment is ranked up and judges, location occurs the compartment of undesirable emergency braking at first, and reports to the police to full row broadcast；
If described monitoring result represents that it is first compartment after train traction machine that the compartment of brake hard occurs at first, it is determined that
Train brake hard is normal emergency braking；
Occur the compartment of brake hard for first compartment after train traction machine at first if described monitoring result represents, the most really
Determining train brake hard is undesirable emergency braking, and the coach number that first undesirable emergency braking occurs is passed through by train level TCDS main frame
Message is reported to the police to full row broadcast.
The 11. vehicle-mounted realtime on-line monitoring methods of train undesirable emergency braking according to claim 10, it is characterised in that
After the moment described in full row broadcast transmission, brake hard occurring, also include:
After receiving the undesirable emergency braking warning of train level TCDS host broadcast, send out sound and light alarm signal.
12. 1 kinds of train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus, it is characterised in that be applied to claim
The vehicle-mounted real time on-line monitoring system of train undesirable emergency braking described in 1 to 4 any one, described train undesirable emergency braking is vehicle-mounted
Real time on-line monitoring host apparatus includes:
Data real-time reception unit, for real-time reception train tube pressure sensor Real-time Collection train tube pressure data and
The brake-cylinder pressure data of brake-cylinder pressure sensor Real-time Collection；
Train pipe decompression rate monitoring means, for determining train pipe decompression rate in real time according to described train tube pressure data,
And monitor described train pipe decompression rate in real time；
Brake hard determines unit, for presetting decompression rate threshold value and described braking in described train pipe decompression rate more than one
When cylinder pressure data is more than the pressure threshold pre-set, determine that train undesirable emergency braking vehicle-mounted real time on-line monitoring main frame fills
Put self residing railway car generation brake hard, and record the moment that brake hard occurs；
Time information transmitting element, for by train level TCDS main frame arrange time reference, by described train network to
The moment of brake hard is there is, so that described train level TCDS main frame is according to the train in each joint compartment described in full row broadcast transmission
The moment that brake hard occurs that undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus is corresponding is ranked up and judges, fixed
There is the compartment of undesirable emergency braking in position, and reports to the police at first to full row broadcast.
13. train undesirable emergency braking according to claim 12 vehicle-mounted real time on-line monitoring host apparatus, its feature exists
In, also include:
Pair time message receive unit, for receive train level TCDS main frame with presetting broadcasting frequency send pair time message；Described
Pair time message include the etalon time of train level TCDS main frame；
Moment judging unit, for judge the current time of train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus with
Whether the error of the etalon time of described train level TCDS main frame is more than a moment error threshold pre-set；
Pair time unit, in the current time of described train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus and institute
When the error of the etalon time stating train level TCDS main frame is more than described moment error threshold, by described train undesirable emergency braking
The current time of vehicle-mounted real time on-line monitoring host apparatus changes to the etalon time of described train level TCDS main frame.
14. train undesirable emergency braking according to claim 13 vehicle-mounted real time on-line monitoring host apparatus, its feature exists
In, also include:
Train tube pressure Transducer fault detection unit, for judging that described train tube pressure data are whether more than pre-setting
Fisrt fault threshold value or less than the second fault threshold of pre-setting；In described train tube pressure data more than described first event
During barrier threshold value, determine that described train tube pressure sensor is short-circuited fault；In described train tube pressure data less than described the
During two fault thresholds, determine described train tube pressure sensor generation open fault；
Brake-cylinder pressure Transducer fault detection unit, for judging that described brake-cylinder pressure data are whether more than pre-setting
3rd fault threshold or less than the 4th fault threshold that pre-sets；In described brake-cylinder pressure data more than described 3rd event
During barrier threshold value, determine that described brake-cylinder pressure sensor is short-circuited fault；In described brake-cylinder pressure data less than described the
Four fault thresholds, determine described brake-cylinder pressure sensor generation open fault.
15. train undesirable emergency braking according to claim 14 vehicle-mounted real time on-line monitoring host apparatus, its feature exists
In, described train pipe decompression rate monitoring means, specifically for:
According to the sample frequency pre-set, every n sampled point is used to take intermediate value data, from described train tube pressure data
Middle acquisition train tube pressure intermediate value data；Wherein n is less than or equal to 10；
Waveform is propagated according to described train tube pressure intermediate value data genaration train tube pressure；
Monitor described train tube pressure in real time and propagate the slope of waveform, and represent with the slope of described train tube pressure propagation waveform
Train pipe decompression rate.
16. train undesirable emergency braking according to claim 15 vehicle-mounted real time on-line monitoring host apparatus, its feature exists
In, also include:
Brake-cylinder pressure data processing unit, for the sample frequency pre-set described in basis, uses every n sampled point to take one
Individual intermediate value data, obtain brake-cylinder pressure intermediate value data from described brake-cylinder pressure data；Wherein n is less than or equal to 10；
Data storage cell, for being stored in set described train tube pressure intermediate value data and brake-cylinder pressure intermediate value data in advance
In the data base put.
17. train undesirable emergency braking according to claim 16 vehicle-mounted real time on-line monitoring host apparatus, its feature exists
In, described time information transmitting element, specifically for:
Sent the broadcasting packet in the moment carrying described generation brake hard to train level TCDS main frame by train network；
Described broadcasting packet is used for parsing the generation brake hard that described broadcasting packet carries by described train level TCDS main frame
Moment, and generation corresponding for the train undesirable emergency braking vehicle-mounted real time on-line monitoring host apparatus in each joint compartment is promptly made
The dynamic moment carries out and judges, determines the compartment that undesirable emergency braking occurs at first, and reports to the police to full row broadcast.
18. train undesirable emergency braking according to claim 17 vehicle-mounted real time on-line monitoring host apparatus, its feature exists
In, also include:
Monitoring result receives unit, and the undesirable emergency braking sent for receiving train level TCDS main frame is reported to the police；
Acousto-optic warning unit, during for receiving the undesirable emergency braking warning of train level TCDS host broadcast, sends out sound
Visual alarm.
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| 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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