CN103777119A - Method and system for detecting vehicle-mounted compensation capacitor - Google Patents

Method and system for detecting vehicle-mounted compensation capacitor Download PDF

Info

Publication number
CN103777119A
CN103777119A CN201410058161.6A CN201410058161A CN103777119A CN 103777119 A CN103777119 A CN 103777119A CN 201410058161 A CN201410058161 A CN 201410058161A CN 103777119 A CN103777119 A CN 103777119A
Authority
CN
China
Prior art keywords
building
module
out capacitor
signal
position information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410058161.6A
Other languages
Chinese (zh)
Other versions
CN103777119B (en
Inventor
吴楠
王卫东
高利民
谢保锋
孟景辉
刘玉江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Academy of Railway Sciences Corp Ltd CARS
Infrastructure Inspection Institute of CARS
Beijing IMAP Technology Co Ltd
Original Assignee
China Academy of Railway Sciences Corp Ltd CARS
Infrastructure Inspection Institute of CARS
Beijing IMAP Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Academy of Railway Sciences Corp Ltd CARS, Infrastructure Inspection Institute of CARS, Beijing IMAP Technology Co Ltd filed Critical China Academy of Railway Sciences Corp Ltd CARS
Priority to CN201410058161.6A priority Critical patent/CN103777119B/en
Publication of CN103777119A publication Critical patent/CN103777119A/en
Application granted granted Critical
Publication of CN103777119B publication Critical patent/CN103777119B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention relates to the field of track circuit compensation capacitor detection in the railway industry, and particularly provides a method and system for detecting a vehicle-mounted compensation capacitor. The method comprises the steps that an analog signal is generated and sent to an electromagnetic loop to form a native electromagnetic field; the electromagnetic loop is composed of two adjacent wheel sets of a train and steel rails on the two sides of the train and further comprises the compensation capacitor located between the two wheel sets, and the compensation capacitor and the two wheel sets are connected to the steel rails on the two sides of the train in parallel; a receiving antenna inducts a secondary electromagnetic field on the electromagnetic loop, and therefore an induction signal of an induction current is obtained; the induction signal is compared with a standard induction signal prestored in an industrial control computer to obtain the state information of the compensation capacitor; the precise position information of the compensation capacitor is calculated through a positioning module, the relative capacitance value of the compensation capacitor and the precise position of the fault compensation capacitor can be conveniently and rapidly judged.

Description

A kind of vehicle-mounted building-out capacitor detection method and system
Technical field
The present invention relates to the detection of railway systems track circuit compensation capacitance, particularly a kind of vehicle-mounted building-out capacitor detection method and system.
Background technology
In recent years, in order to adapt to the high-speed demand of transportation by railroad, electric insulation track circuit is widely applied in China.Extend the transmission range of signal in order to use up large degree, electric insulation track circuit equal intervals several building-out capacitors have been installed.But, owing to affected by environment, weather and the factor such as artificial, building-out capacitor can produce electrical characteristic parameter drift or loose contact etc., cause building-out capacitor aging, lost efficacy or lose, the final quality that directly has influence on track-circuit signalling transmission, the normal operation of transmission range and train control system, so need be to building-out capacitor running check.
Demand building-out capacitor being detected in order to meet railway electrical specialty, railway relevant department or research institution have developed some special track circuit parametric synthesis testers, but tester need to judge its duty by direct measurement, thereby in practical application, need each electric capacity to carry out manual detection, waste time and energy, workload is large, and efficiency is low, and has certain danger.
Summary of the invention
For solving above-mentioned problems of the prior art, the invention provides a kind of detection method and system of vehicle-mounted building-out capacitor, by the vehicle-mounted detecting system state that automatic detection vehicle live holds when driving, and the position of real-time detection failure electric capacity, directly effectively to instruct maintenance and maintenance.
For achieving the above object, the invention provides a kind of vehicle-mounted building-out capacitor detection method, comprising:
Generate simulating signal by signal source module;
Emitting antenna receives described simulating signal, and this simulating signal is converted to the magnetic field of variation;
Magnetic loop is responded to the magnetic field of described variation, forms induction current; Described magnetic loop is by adjacent two wheels of train to forming with the rail of train both sides, and described magnetic loop comprises a building-out capacitor, this building-out capacitor described two wheels between, with described two wheels to being parallel on the rail of described train both sides;
Respond to the induction current in described magnetic loop by receiving antenna, obtain induced signal;
Convert described induced signal to digital induced signal by analog-to-digital conversion module, and send to industrial computer;
Described industrial computer compares the standard induced signal prestoring in described digital induced signal and industrial computer, is compensated the relative capacitance of electric capacity;
If the relative capacitance of described building-out capacitor, lower than predetermined threshold value, is calculated the precise position information of described building-out capacitor by locating module;
By the precise position information output of the relative capacitance of described building-out capacitor and described building-out capacitor.
Optionally, described predetermined threshold value can be made as according to detection demand (0,1] interval in arbitrary value.
Optionally, calculate the step-length information between described building-out capacitor and an adjacent upper building-out capacitor by locating module, and by this step-length information output.
Optionally, described emitting antenna also comprises after receiving described simulating signal:
By power amplifier module, described simulating signal is amplified;
Wherein, the multiple of amplification can be regulated by this power amplifier module.
Optionally, describedly by analog-to-digital conversion module, described induced signal is converted to before digital induced signal and is also comprised:
By receiving processing module, described induced signal is carried out filtering, shaping and amplifies and process.。
Optionally, the described precise position information that calculates described building-out capacitor by locating module is specially:
Obtain real-time position information by gps satellite positioning system;
By spindle nose sensor acquisition speed pulse information, and then obtain velocity information;
By described real-time position information, velocity information and Time Delay of Systems, calculate the precise position information of described building-out capacitor.
Optionally, also comprise:
Be signal source module, power amplifier module, receiving processing module power supply by System Backplane, and by the signal between this System Backplane signal transmission source module and power amplifier module and between receiving processing module and analog-to-digital conversion module.
Optionally, the frequency of described simulating signal can be regulated by described signal source module.
The present invention provides a kind of vehicle-mounted building-out capacitor detection system in addition, comprising:
Signal source module, for generating the frequency of simulating signal and the described simulating signal of adjusting;
Emitting antenna, for receiving described simulating signal, and converts this simulating signal in the magnetic field of variation, so that magnetic loop forms induction current; Described magnetic loop to forming with the rail of train both sides, also comprises a building-out capacitor by adjacent two wheels of train in described magnetic loop, this building-out capacitor described two wheels between, with described two wheels to being parallel on the rail of described train both sides;
Receiving antenna, for responding to the induction current in described magnetic loop, obtains induced signal;
Analog-to-digital conversion module, for converting described induced signal to digital induced signal, and sends to industrial computer;
Industrial computer, compares for the standard induced signal that described digital induced signal and industrial computer are prestored, and is compensated the relative capacitance of electric capacity;
Locating module, for when the relative capacitance of described building-out capacitor is during lower than predetermined threshold value, calculates the precise position information of described building-out capacitor;
Display module, for showing the relative capacitance of described building-out capacitor and the precise position information of described building-out capacitor.
Optionally, described predetermined threshold value can be made as according to detection demand (0,1] interval in arbitrary value.
Optionally, described locating module is also for calculating the step-length information between described building-out capacitor and an adjacent upper building-out capacitor, and this step-length information is sent to described display module.
Optionally, also comprise power amplifier module, be connected with described emitting antenna with described signal source module, for described simulating signal being amplified and regulated the multiple of amplification.
Optionally, also comprise receiving processing module, be connected with analog-to-digital conversion module with described receiving antenna, for described induced signal being carried out to filtering, shaping and amplifying and process.
Optionally, locating module comprises:
Gps satellite positioning system, for obtaining real-time position information;
Spindle nose sensor, for acquisition speed pulse information, and then obtains velocity information;
Computing module, for by described real-time position information, velocity information and Time Delay of Systems, calculates the precise position information of described building-out capacitor.
Optionally, also comprise System Backplane, described signal source module, power amplifier module, receiving processing module and analog-to-digital conversion module are connected on described System Backplane by plug-in card mode, and this System Backplane is used to described signal source module, power amplifier module, receiving processing module power supply and transmits the signal transmission between each module.
The invention has the beneficial effects as follows: the mode of curent change in loop is judged to the relative capacitance of the building-out capacitor being connected on rail by induction rail-wheel, and locate accurately the position of fault electric capacity by locating module, for site operation provides great help; Detection system utilization detects the speed advantage of train, can significantly improve the detection efficiency of building-out capacitor; Detection system is owing to having adopted System Backplane, thereby realized Miniaturization Design, saved and taken up room, and improved system reliability; The structure of card insert type is convenient to the repair and upgrade of system unit.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of a kind of vehicle-mounted building-out capacitor detection method of the present invention;
Fig. 2 is the process flow diagram of a kind of vehicle-mounted building-out capacitor detection method of the present invention;
Fig. 3 is the structural drawing of a kind of vehicle-mounted building-out capacitor detection system of the present invention;
Fig. 4 is the structural drawing of a kind of vehicle-mounted building-out capacitor detection system of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with embodiment and accompanying drawing, to native system, embodiment is described in further details.At this, the schematic description and description of native system is used for explaining the present invention, but not as a limitation of the invention.
Embodiment mono-
As shown in Figure 1, be the process flow diagram of a kind of vehicle-mounted building-out capacitor detection method of the present embodiment, specifically comprise the following steps:
Step 101, generates simulating signal by signal source module.
Step 102, emitting antenna receives described simulating signal, and this simulating signal is converted to the magnetic field of variation.
Step 103, magnetic loop is responded to the magnetic field of described variation, forms induction current;
Described magnetic loop to forming with the rail of train both sides, also comprises a building-out capacitor by adjacent two wheels of train in described magnetic loop, this building-out capacitor described two wheels between, with described two wheels to being parallel on the rail of described train both sides.
Step 104, responds to the induction current in described magnetic loop by receiving antenna, obtains induced signal.
Step 105, converts described induced signal to digital induced signal by analog-to-digital conversion module, and sends to industrial computer.
Step 106, described industrial computer compares the standard induced signal prestoring in described digital induced signal and industrial computer, is compensated the relative capacitance of electric capacity.
Step 107, if the relative capacitance of described building-out capacitor lower than predetermined threshold value,, calculate the precise position information of described building-out capacitor by locating module.
Step 108, by the precise position information output of the relative capacitance of described building-out capacitor and described building-out capacitor.
Embodiment bis-
As shown in Figure 2, be the process flow diagram of a kind of vehicle-mounted building-out capacitor detection method of the present embodiment, comprise the following steps:
Step 201, is signal source module, power amplifier module, receiving processing module power supply by System Backplane, and by the signal between this System Backplane signal transmission source module and power amplifier module and between receiving processing module and analog-to-digital conversion module.
This step and following walking abreast are in steps carried out, for following each step provides service and support.
Step 202, generates simulating signal by signal source module.
The frequency of this simulating signal can be regulated by this signal source module.
Step 203, amplifies described simulating signal by power amplifier module.
Wherein, the multiple of amplification can be regulated by this power amplifier module.
Step 204, emitting antenna receives described simulating signal, and this simulating signal is converted to the magnetic field of variation.
Step 205, magnetic loop is responded to the magnetic field of described variation, forms induction current.
Described magnetic loop to forming with the rail of train both sides, also comprises a building-out capacitor by adjacent two wheels of train in described magnetic loop, this building-out capacitor described two wheels between, with described two wheels to being parallel on the rail of described train both sides.
Step 206, responds to the induction current in described magnetic loop by receiving antenna, obtains induced signal.
Step 207, by receiving processing module, carries out filtering, shaping and amplifies and process described induced signal.
Step 208, converts induced signal after treatment described filtering to digital induced signal by analog-to-digital conversion module, and sends to industrial computer.
Step 209, described industrial computer compares the standard induced signal prestoring in described digital induced signal and industrial computer, is compensated the relative capacitance of electric capacity.
Step 210, if the relative capacitance of described building-out capacitor is lower than predetermined threshold value, calculates the precise position information of described building-out capacitor by locating module.
Wherein, in the time that described relative capacitance is zero, the state of described building-out capacitor is for quitting work; In the time that described relative capacitance is 1, the state of described building-out capacitor is working properly; Described predetermined threshold value can be made as arbitrary value between 0-1 according to detection demand.
Before detecting, know there is fault electric capacity, and needed badly fault electric capacity is fixed, in the time detecting, can predetermined threshold value be set to 0, only, when relative capacitance is 0, identified out by thorough idle building-out capacitor, to repair as early as possible.
If Detection task is potential safety hazard investigation, predetermined threshold value can be set to more than 0 arbitrary value such as 1 or 0.7, to find the building-out capacitor going wrong in various degree; And further, because relative capacitance can specifically show, can keep in repair more targetedly, improve the efficiency of maintenance.
The precise position information that calculates described building-out capacitor by locating module comprises:
Obtain real-time position information by gps satellite positioning system;
By spindle nose sensor acquisition speed pulse information, and then obtain velocity information;
By described real-time position information, velocity information and Time Delay of Systems, calculate the precise position information of described building-out capacitor.
Step 211, by the precise position information output of the relative capacitance of described building-out capacitor and described building-out capacitor.
Step 212, calculates the step-length information between described building-out capacitor and an adjacent upper building-out capacitor by locating module, and by this step-length information output.
The velocity information recording by locating module, and industrial computer receives the mistiming of digital induced signal, can be compensated the step-length information between electric capacity.
This step-length Information Availability is in the position of accurately locating Fault Compensation electric capacity in conjunction with GPS information, so that improve maintenance efficiency.
This step-length information can also real-time Transmission to display, or deposit database in, so that understand in real time the relative position between each building-out capacitor.
The present embodiment is preferred, the measurement of above-mentioned step-length information can also be only in the time that industrial computer calculates building-out capacitor and breaks down, triggered location module is calculated.Certainly the step-length of, now calculating is the distance between current building-out capacitor and next building-out capacitor.The step-length information of now calculating, is generally used for the position of further accurately locating Fault Compensation electric capacity in conjunction with GPS information.
Embodiment tri-
As shown in Figure 3, be the structural drawing of a kind of vehicle-mounted building-out capacitor detection system of the present embodiment, comprise with lower module:
Signal source module 301, for generating the frequency of simulating signal and the described simulating signal of adjusting;
Emitting antenna 302, for receiving described simulating signal, and converts this simulating signal in the magnetic field of variation, so that magnetic loop forms induction current; Described magnetic loop to forming with the rail of train both sides, also comprises a building-out capacitor by adjacent two wheels of train in described magnetic loop, this building-out capacitor described two wheels between, with described two wheels to being parallel on the rail of described train both sides;
Receiving antenna 303, for responding to the induction current in described magnetic loop, obtains induced signal;
Analog-to-digital conversion module 304, for converting described induced signal to digital induced signal, and sends to industrial computer;
Industrial computer 305, compares for the standard induced signal that described digital induced signal and industrial computer are prestored, and is compensated the relative capacitance of electric capacity;
Locating module 306, for when the relative capacitance of described building-out capacitor is during lower than predetermined threshold value, calculates the precise position information of described building-out capacitor;
In the time that described relative capacitance is zero, the state of described building-out capacitor is for quitting work; In the time that described relative capacitance is 1, the state of described building-out capacitor is working properly; Described predetermined threshold value can be made as arbitrary value between 0-1 according to detection demand.
Before detecting, know there is fault electric capacity, and needed badly fault electric capacity is fixed, in the time detecting, can predetermined threshold value be set to 0, only, when relative capacitance is 0, identified out by thorough idle building-out capacitor, to repair as early as possible.
If Detection task is potential safety hazard investigation, predetermined threshold value can be set to more than 0 arbitrary value such as 1 or 0.7, to find the building-out capacitor going wrong in various degree; And further, because relative capacitance can specifically show, can keep in repair more targetedly, improve the efficiency of maintenance.
Display module 307, for showing the relative capacitance of described building-out capacitor and the precise position information of described building-out capacitor.
Embodiment tetra-
As shown in Figure 4, for the structural drawing of a kind of vehicle-mounted building-out capacitor detection system of the present embodiment, mainly comprise: System Backplane 1, signal source module 2, power amplifier module 3, receiving processing module 4, cabinet casing 5, emitting antenna 6, receiving antenna 7, analog-to-digital conversion module 8, locating module 9, gps antenna 10, spindle nose sensor 11, industrial computer 12, display 13, wherein System Backplane 1, signal source module 2, power amplifier module 3 and receiving processing module 4 are arranged in cabinet casing 5, emitting antenna 6 and receiving antenna 7 are arranged in the equipment compartment that detects train, analog-to-digital conversion module 8, locating module 9 is arranged in industrial computer 12, display 13 is arranged on and detects on train:
System Backplane 1, be connected with signal source module 2, power amplifier module 3, receiving processing module 4 and analog-to-digital conversion module 8, for the signal transmission between signal source module 2 and power amplifier module 3 and between receiving processing module 4 and analog-to-digital conversion module 8, and power for signal source module 2, power amplifier module 3, receiving processing module 4;
System Backplane 1 for signal source module 2, power amplifier module 3, receiving processing module 4 provide positive mechanical connect and electrical connection, for solving the mechanical vibration problem of high-speed detection train;
System Backplane 1 is arranged in cabinet casing 5, provides power supply by outside, and power supply can be selected 220VAC50Hz, but the present embodiment is not using this as restriction.
Signal source module 2, is connected with System Backplane 1;
Signal source module 2, as the signal prime of power amplifier module 3, produces and has the simulating signal of certain frequency, and export the simulating signal of adjustable frequency by System Backplane 1 to power amplifier module 3.
Power amplifier module 3, is connected with System Backplane 1, emitting antenna 6;
Power amplifier module 3 is as the signal rear class of signal source module 2, receive the simulating signal that signal source module 2 is inputted by System Backplane 1, and this simulating signal is amplified to certain multiple, output to emitting antenna 6, make emitting antenna 6 form induction electromotive force at rail-wheel in to loop and then form induction current;
Emitting antenna 6 is connected with power amplifier module 3;
In the present embodiment, emitting antenna 6 is arranged on and detects in train apparatus cabin, can be arranged near rail top or rail, but the present embodiment is not using this as restriction;
Emitting antenna 6 receives the simulating signal that power amplifier module 3 is exported, at two one steel rails, former and later two are taken turns in the current loop to forming with detecting train apparatus cabin, form induction electromotive force and then form induction current, in the time that the capacitance of building-out capacitor in loop changes, this induction current will change;
In the present embodiment, have 3 and 2 emitting antennas 6 of 2 power amplifier modules, the quantity of power amplifier module 3 and emitting antenna 6 can change, but the present embodiment is not using this as restriction.
Receiving antenna 7, is connected with receiving processing module 4;
Receiving antenna 7 is for responding to the induction current of rail-wheel to loop, when rail-wheel to loop in building-out capacitor state while changing, as condenser failure, capacitance change, broken string etc., rail-wheel changes to the induction current size in loop, this variation can be received antenna 7 and sense, and induced signal is outputed to receiving processing module 4;
In the present embodiment, receiving antenna 7 is arranged on and detects in train apparatus cabin, can be arranged on top, rail center, but the present embodiment is not using this as restriction;
Receiving processing module 4, is connected with receiving antenna 7 with System Backplane 1;
Receiving processing module 4 receives the induced signal that receiving antenna 7 is exported, and this induced signal is processed, and induced signal is carried out to filtering, shaping, amplification processing, by analog signal output after treatment to System Backplane 1;
In the present embodiment, have 4 and 1 receiving antenna 7 of 1 receiving processing module, the quantity of receiving processing module 4 and transmit/receive antenna 7 can change, but the present embodiment is not using this as restriction.
Analog-to-digital conversion module 8, is connected with industrial computer 12 with System Backplane 1, is subject to the control of industrial computer 12;
Analog-to-digital conversion module 8 receives the simulating signal of being exported by System Backplane 1 by receiving processing module 4, under the control of industrial computer 12, simulating signal is converted to digital signal, and digital signal is outputed to industrial computer 12.
Locating module 9, is connected with gps antenna 10, speed pickup 11 and industrial computer 12, is subject to the control of industrial computer 12, for carrying out the locus of described device and the measurement of movement velocity;
In the present embodiment, locating module 9 can adopt GPS module and gps antenna 10 to obtain gps satellite locating information, and the velocity pulse that can adopt step-by-step counting clamping to receive and calculate to be arranged on the speed pickup 11 that detects train spindle nose position to send, this speed pickup 11 is exported corresponding pulse according to detecting train wheel shaft rotation distance, and can adopt gyroscope to obtain the information such as moment of inertia, by GPS locating information, train speed pulse, the COMPREHENSIVE CALCULATING such as moment of inertia realize the locus of the complex environments such as tunnel and the measurement of movement velocity, but the present embodiment is not using this as restriction.
Industrial computer 12, is connected with analog-to-digital conversion module 8, locating module 9 and display 13, for controlling analog-to-digital conversion module 8 and locating module 9;
Industrial computer 12 is controlled analog-to-digital conversion module 8, simulating signal is converted to digital signal, and this digital signal is carried out to computational analysis processing, and by calculating rail-wheel to modes such as induction current sizes in loop, apply corresponding algorithm, by complicated calculating, digital signal is converted to the relative capacitance information of building-out capacitor, utilize the UI interface of programming to show on display 13, be convenient to judge the relative capacitance of building-out capacitor; Simultaneously, industrial computer 12 is controlled locating module 9, obtain locus and the motion velocity information of described device, and utilize relevant auxiliary positioning information (as surface facility position static data library information etc.), accurately obtain the information of building-out capacitor locus, and this spatial positional information is mapped with relative capacitance information, can be in finding Fault Compensation electric capacity or adjacent building-out capacitor step-length mistake, determine the position of fault electric capacity or wrong step-length, guide maintenance and site operation are had great importance;
In the present embodiment, industrial computer 12 has the function of storage data and playback of data, but the present embodiment is not using this as restriction.
Display 13, for the relative capacitance information of building-out capacitor and the spatial positional information that show that industrial computer 12 is exported.
Native system technological merit is: pick-up unit judges the relative capacitance of the building-out capacitor being connected on rail by induction rail-wheel to the mode of electric current in loop, designs ingeniously, and actual detection effect accurately and reliably; Pick-up unit is by calculating rail-wheel to faradic size in loop, and by corresponding algorithm and complicated calculating, can calculate the relative capacitance of building-out capacitor, relatively the calculating of capacitance can be found to be about to lose efficacy but still have the building-out capacitor of partial-compensation effect, and predictive compensation capacitance damage trend is had to great practical significance and economic benefit; The design of locating module in pick-up unit, make this pick-up unit can accurately judge the physical location of building-out capacitor and calculate the step-length (spacing) of adjacent building-out capacitor, step-length (spacing) mistake that makes this pick-up unit can locate accurately the position of fault electric capacity or find adjacent building-out capacitor in practical application (as combined test, patrol and examine etc.), for site operation provides great help; Pick-up unit utilization detects the speed advantage of train, can significantly improve the detection efficiency of building-out capacitor, can in several hours, complete the testing of up to ten thousand building-out capacitors of thousands of kilometer; Detection system is owing to having adopted System Backplane, thereby realized Miniaturization Design, saved and taken up room, and improved system reliability; The structure of card insert type is convenient to the repair and upgrade of system unit.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; the protection domain being not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (15)

1. a vehicle-mounted building-out capacitor detection method, is characterized in that, comprising:
Generate simulating signal by signal source module;
Emitting antenna receives described simulating signal, and this simulating signal is converted to the magnetic field of variation;
Magnetic loop is responded to the magnetic field of described variation, forms induction current; Described magnetic loop is by adjacent two wheels of train to forming with the rail of train both sides, and described magnetic loop comprises a building-out capacitor, this building-out capacitor described two wheels between, with described two wheels to being parallel on the rail of described train both sides;
Respond to the induction current in described magnetic loop by receiving antenna, obtain induced signal;
Convert described induced signal to digital induced signal by analog-to-digital conversion module, and send to industrial computer;
Described industrial computer compares the standard induced signal prestoring in described digital induced signal and industrial computer, is compensated the relative capacitance of electric capacity;
If the relative capacitance of described building-out capacitor, lower than predetermined threshold value, is calculated the precise position information of described building-out capacitor by locating module;
By the precise position information output of the relative capacitance of described building-out capacitor and described building-out capacitor.
2. the method for claim 1, is characterized in that, described predetermined threshold value can be made as according to detection demand (0,1] interval in arbitrary value.
3. the method for claim 1, is characterized in that, also comprises:
Calculate the step-length information between described building-out capacitor and an adjacent upper building-out capacitor by locating module, and by this step-length information output.
4. the method for claim 1, is characterized in that, described emitting antenna also comprises after receiving described simulating signal:
By power amplifier module, described simulating signal is amplified;
Wherein, the multiple of amplification can be regulated by this power amplifier module.
5. the method for claim 1, is characterized in that, describedly by analog-to-digital conversion module, described induced signal is converted to before digital induced signal and is also comprised:
By receiving processing module, described induced signal is carried out filtering, shaping and amplifies and process.
6. the method for claim 1, is characterized in that, the described precise position information that calculates described building-out capacitor by locating module is specially:
Obtain real-time position information by gps satellite positioning system;
By spindle nose sensor acquisition speed pulse information, and then obtain velocity information;
By described real-time position information, velocity information and Time Delay of Systems, calculate the precise position information of described building-out capacitor.
7. the method for claim 1, is characterized in that, also comprises:
Be signal source module, power amplifier module, receiving processing module power supply by System Backplane, and by the signal between this System Backplane signal transmission source module and power amplifier module and between receiving processing module and analog-to-digital conversion module.
8. the method for claim 1, is characterized in that: the frequency of described simulating signal can be regulated by described signal source module.
9. a vehicle-mounted building-out capacitor detection system, is characterized in that, comprising:
Signal source module, for generating the frequency of simulating signal and the described simulating signal of adjusting;
Emitting antenna, for receiving described simulating signal, and converts this simulating signal in the magnetic field of variation, so that magnetic loop forms induction current; Described magnetic loop to forming with the rail of train both sides, also comprises a building-out capacitor by adjacent two wheels of train in described magnetic loop, this building-out capacitor described two wheels between, with described two wheels to being parallel on the rail of described train both sides;
Receiving antenna, for responding to the induction current in described magnetic loop, obtains induced signal;
Analog-to-digital conversion module, for converting described induced signal to digital induced signal, and sends to industrial computer;
Industrial computer, compares for the standard induced signal that described digital induced signal and industrial computer are prestored, and is compensated the relative capacitance of electric capacity;
Locating module, for when the relative capacitance of described building-out capacitor is during lower than predetermined threshold value, calculates the precise position information of described building-out capacitor;
Display module, for showing the relative capacitance of described building-out capacitor and the precise position information of described building-out capacitor.
10. system as claimed in claim 9, is characterized in that, described predetermined threshold value can be made as according to detection demand (0,1] interval in arbitrary value.
11. systems as claimed in claim 9, is characterized in that, described locating module is also for calculating the step-length information between described building-out capacitor and an adjacent upper building-out capacitor, and this step-length information is sent to described display module.
12. systems as claimed in claim 9, is characterized in that, also comprise power amplifier module, are connected, for described simulating signal being amplified and regulated the multiple of amplification with described signal source module with described emitting antenna.
13. systems as claimed in claim 9, is characterized in that, also comprise receiving processing module, are connected, for described induced signal being carried out to filtering, shaping and amplifying and process with described receiving antenna with analog-to-digital conversion module.
14. systems as claimed in claim 9, is characterized in that, locating module comprises:
Gps satellite positioning system, for obtaining real-time position information;
Spindle nose sensor, for acquisition speed pulse information, and then obtains velocity information;
Computing module, for by described real-time position information, velocity information and Time Delay of Systems, calculates the precise position information of described building-out capacitor.
15. systems as claimed in claim 9, it is characterized in that, also comprise System Backplane, described signal source module, power amplifier module, receiving processing module and analog-to-digital conversion module are connected on described System Backplane by plug-in card mode, and this System Backplane is used to described signal source module, power amplifier module, receiving processing module power supply and transmits the signal transmission between each module.
CN201410058161.6A 2014-02-20 2014-02-20 A kind of vehicle-mounted compensation capacitance determining method and system Active CN103777119B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410058161.6A CN103777119B (en) 2014-02-20 2014-02-20 A kind of vehicle-mounted compensation capacitance determining method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410058161.6A CN103777119B (en) 2014-02-20 2014-02-20 A kind of vehicle-mounted compensation capacitance determining method and system

Publications (2)

Publication Number Publication Date
CN103777119A true CN103777119A (en) 2014-05-07
CN103777119B CN103777119B (en) 2016-07-06

Family

ID=50569592

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410058161.6A Active CN103777119B (en) 2014-02-20 2014-02-20 A kind of vehicle-mounted compensation capacitance determining method and system

Country Status (1)

Country Link
CN (1) CN103777119B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107525982A (en) * 2016-06-22 2017-12-29 通用电气公司 System and method for monitoring capacitor group
CN108872715A (en) * 2018-08-28 2018-11-23 北京交大思诺科技股份有限公司 Track circuit compensation capacitance real-time detecting system
CN110108959A (en) * 2019-05-14 2019-08-09 佳讯飞鸿（北京）智能科技研究院有限公司 Compensating electric capacity localization method, detection device and storage medium
CN110618348A (en) * 2019-07-02 2019-12-27 西南交通大学 Parameter estimation and fault diagnosis method for detecting compensation capacitor of non-insulated track circuit
CN112881853A (en) * 2021-04-02 2021-06-01 山东悠远电子科技有限公司 Electric service comprehensive test system for track circuit
CN114113801A (en) * 2022-01-24 2022-03-01 上海艾为微电子技术有限公司 Capacitance detection method and capacitance detection device
CN116449258A (en) * 2023-04-24 2023-07-18 中铁武汉电气化局集团上海电气有限公司 Compensation capacitance detection system applied to track circuit detection trolley

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04138038A (en) * 1990-09-28 1992-05-12 Furukawa Electric Co Ltd:The Transmission line supervisory apparatus
CN1663864A (en) * 2005-02-21 2005-09-07 赵建州 Track circuit compensation capacitance testing device and method
CN2803847Y (en) * 2005-02-21 2006-08-09 赵建州 Device for testing track circuit compensating capacity
CN1962338A (en) * 2006-11-28 2007-05-16 燕山大学 Insulation-free track circuit compensation capacitor on-line active measuring device
CN2928618Y (en) * 2006-02-13 2007-08-01 佟元江 Online self detection rail circuit compensating capacitor
CN201413366Y (en) * 2009-05-18 2010-02-24 河南蓝信科技有限公司 Train signal dynamic detection system for railway detection
CN102101487A (en) * 2009-12-17 2011-06-22 中国铁道科学研究院基础设施检测研究所 Method and system for acquiring tracking status of train
CN103171590A (en) * 2011-12-23 2013-06-26 上海工程技术大学 Detecting device for metro track circuit
CN103552579A (en) * 2013-11-18 2014-02-05 南车洛阳机车有限公司 Comprehensive detection train for freight heavy haul railway

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04138038A (en) * 1990-09-28 1992-05-12 Furukawa Electric Co Ltd:The Transmission line supervisory apparatus
CN1663864A (en) * 2005-02-21 2005-09-07 赵建州 Track circuit compensation capacitance testing device and method
CN2803847Y (en) * 2005-02-21 2006-08-09 赵建州 Device for testing track circuit compensating capacity
CN2928618Y (en) * 2006-02-13 2007-08-01 佟元江 Online self detection rail circuit compensating capacitor
CN1962338A (en) * 2006-11-28 2007-05-16 燕山大学 Insulation-free track circuit compensation capacitor on-line active measuring device
CN201413366Y (en) * 2009-05-18 2010-02-24 河南蓝信科技有限公司 Train signal dynamic detection system for railway detection
CN102101487A (en) * 2009-12-17 2011-06-22 中国铁道科学研究院基础设施检测研究所 Method and system for acquiring tracking status of train
CN103171590A (en) * 2011-12-23 2013-06-26 上海工程技术大学 Detecting device for metro track circuit
CN103552579A (en) * 2013-11-18 2014-02-05 南车洛阳机车有限公司 Comprehensive detection train for freight heavy haul railway

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
孟景辉等: "基于差分分析的补偿电容工作状态判定", 《铁道通信信号》, vol. 46, no. 12, 31 December 2010 (2010-12-31) *
李晶等: "轨道电路补偿电容动态检测系统研究", 《铁路计算机应用》, vol. 22, no. 06, 30 June 2013 (2013-06-30) *
韩佩富等: "UM71轨道电路补偿电容在线测试系统的实现", 《自动化与仪器仪表》, no. 08, 31 August 2005 (2005-08-31) *
颜海英等: "GPS定位在车载补偿电容测试系统中的应用", 《中国测试》, vol. 36, no. 03, 31 May 2010 (2010-05-31) *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107525982A (en) * 2016-06-22 2017-12-29 通用电气公司 System and method for monitoring capacitor group
CN107525982B (en) * 2016-06-22 2021-08-24 通用电气公司 System and method for monitoring a capacitor bank
CN108872715A (en) * 2018-08-28 2018-11-23 北京交大思诺科技股份有限公司 Track circuit compensation capacitance real-time detecting system
CN108872715B (en) * 2018-08-28 2020-12-11 北京交大思诺科技股份有限公司 Real-time detection system for track circuit compensation capacitor
CN110108959A (en) * 2019-05-14 2019-08-09 佳讯飞鸿（北京）智能科技研究院有限公司 Compensating electric capacity localization method, detection device and storage medium
CN110618348A (en) * 2019-07-02 2019-12-27 西南交通大学 Parameter estimation and fault diagnosis method for detecting compensation capacitor of non-insulated track circuit
CN112881853A (en) * 2021-04-02 2021-06-01 山东悠远电子科技有限公司 Electric service comprehensive test system for track circuit
CN114113801A (en) * 2022-01-24 2022-03-01 上海艾为微电子技术有限公司 Capacitance detection method and capacitance detection device
CN116449258A (en) * 2023-04-24 2023-07-18 中铁武汉电气化局集团上海电气有限公司 Compensation capacitance detection system applied to track circuit detection trolley
CN116449258B (en) * 2023-04-24 2024-02-23 中铁武汉电气化局集团上海工程建设有限公司 Compensation capacitance detection system applied to track circuit detection trolley

Also Published As

Publication number Publication date
CN103777119B (en) 2016-07-06

Similar Documents

Publication Publication Date Title
CN103777119A (en) Method and system for detecting vehicle-mounted compensation capacitor
CN106394606B (en) A kind of railway car wheel loses circle detection method and detection device
CN102288883A (en) Oscillation wave partial discharge identifying and positioning method for asynchronous double-end power cable
CN102226829B (en) Fault locating apparatus of non-contact electromagnetic induction of AT power traction system and fault locating method thereof
CN110806193A (en) Subway tunnel deformation detection system
CN104330049A (en) Portable locomotive vehicle wheel pair surface wearing automatic detection device and detection method
CN102635406A (en) Underground positioning method
CN111796321A (en) Earthquake early warning method and system for high-speed railway
CN205010260U (en) Rail vehicle positioner based on multisensor photoelectric detection
WO2017163819A1 (en) Railway abnormality diagnosing system and data collecting device
CN105806637A (en) General testing system of railway vehicles
CN203502545U (en) Cable fault detector
CN102754355B (en) Responder detection method and responder detection system
CN103171587B (en) A kind of electrified railway ground magnetic pillow dynamic detection system and method for inspection
CN105059318A (en) Portable track detecting instrument
CN111891188A (en) Railway signal track circuit dynamic monitoring system and method thereof
CN203837747U (en) Iron tower safety monitor
CN103078687A (en) Train-mounted responder transmission unit wireless link interference monitoring device
CN207617728U (en) Track detecting high-accuracy position system
CN202182945U (en) Comprehensive positioning device based on radar and camera scanning
CN111308529A (en) Positioning system and positioning method of vehicle-mounted detection equipment
CN204821615U (en) Rail vehicle positioner based on dual sensor photoelectric detection
CN104802829B (en) A kind of subway train-ground communication check method
CN109916610A (en) A kind of Coal Mine Electromechanical Equipment facility appraisal procedure
CN106841807B (en) Method and system for measuring transition resistance between subway running rail and ground in real time

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant