CN203222005U - Dynamic detection system for ground magnetic ties of electric railways - Google Patents
Dynamic detection system for ground magnetic ties of electric railways Download PDFInfo
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- CN203222005U CN203222005U CN 201320153070 CN201320153070U CN203222005U CN 203222005 U CN203222005 U CN 203222005U CN 201320153070 CN201320153070 CN 201320153070 CN 201320153070 U CN201320153070 U CN 201320153070U CN 203222005 U CN203222005 U CN 203222005U
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Abstract
The utility model discloses a dynamic detection system for ground magnetic ties of electric railways. The dynamic detection system comprises sensors for detecting the positions and the magnitude of magnetism of magnetic induction devices, a signal converter, an analog acquisition card and an industrial personal computer; the sensors are respectively connected with the input end of the analog acquisition card through the signal converter; the output end of the analog acquisition card is connected with the input end of the industrial personal computer; the dynamic detection system also comprises a vehicle; and at least one sensor is arranged below each of the two sides of the vehicle. A plurality of groups of sensors are arranged below the vehicle, the vehicle is started to simulate the high speed running state of a normal railway locomotive, and data such as the magnitude of magnetism and the positions of the magnetic induction devices in a detected segment is detected by the sensors and is compared according to a magnetic tie installation and use rule issued by Ministry of Railways, so that whether the positions and the magnitude of magnetism of the magnetic induction devices in the detected segment meet standards can be quickly and accurately detected, and false detection and leak detection caused by manual measurement are avoided.
Description
Technical field
The utility model relates to electrified railway electric locomotive safe operation field, namely improve electric locomotive divides phase time by electricity safety, be a kind of analog electrical gasification railway electric locomotive operating condition, the ground magnetic pillow of the automatically undue phase system of electric locomotive carried out method and the checking system of detection of dynamic.
Background technology
Build since article one electrified railway in 1958, formally open-minded to the wide high ferro in capital on December 26 in 2012, the China's Electrified Railways total kilometrage has been broken through 48000 kilometers, has surmounted the world-class Russia of former electrified railway, rises to be the No. 1 in the world.The circuit that high speed railway puts into effect reaches 9200 kilometers, is electrified railway, ranks first in the world.3120 kilometers lines of doing business of Zhengzhou office have all been transformed or be newly-built is electrified railway, and Zheng Xi, my office of the military high ferro of stone run mileage and be respectively 337 kilometers and 335 kilometers.
The motor train unit of electric locomotive or electric traction are all used in these electrified railways, power supply is provided by the ground traction substation, traction substation is for conversion into 27.5 kilovolts of single phase industrial frequence source of ACs that electrified railway is used with 110 kilovolts of national grid or 220,330 kilovolts of three-phase alternating current high tension supplies, and be transported on the contact system circuit, power supply power locomotive uses.On electric, must insulate between the adjacent traction substation, this insulator arrangement is referred to as neutral section insulator, and electric locomotive must disconnect main circuit breaker of electric locomotive by neutral section insulator the time, otherwise carrying, the electric locomotive band cuts off the electricity supply, pantograph can be pulled out strong electric arc and short circuit neutral section insulator, cause two substation's phase faults, cause and blow contact wire or serious accidents such as catenary, damage substation and locomotive equipment.The every 20-30 kilometer of electrified railway just has a substation, undue phase front needs the driver operation outage, electric locomotive relies on inertia to pass through neutral section insulator, cross neutral section insulator and will close the safe operation of electricity ability, because seeing to break to close, dependence trainman naked eyes mark disconnected closing, often there is maloperation to take place, causes that electric locomotive is charged rushes phase-splitting.It is one of the weakest link of electrified railway safe operation that the undue phase time of electric locomotive must cut off the power supply.
The Ministry of Railways promoted the automatically undue phase system of electric locomotive in system-wide in 2007, and this problem just is resolved.The automatically undue phase system of electric locomotive is for accomplishing the undue phase time automatic cutout of electric locomotive line circuit breaker, near pre-buried 4 magnetic-inductive devices in sub-thread road every punishment mutually (side of track is provided with two magnetic-inductive devices according to certain spacing regulation, and both sides are 4 magnetic-inductive devices altogether).Magnetic-inductive device is based on the ground magnetic apparatus of the vehicle-mounted auto-passing neutral section control system of non-maintaining ground location technology, electric locomotive by the time can send corresponding signal and give locomotive, by vehicle-mounted inducing receiver and too mutually control setup finish the electric locomotive phase-splitting of cutting off the power supply automatically.Automatically crossing phase-splitting ground magnet-type induction installation is that the permanent magnet that is embedded in the sleeper also is called for short the magnetic pillow, characteristics such as have high temperature resistant, withstanding corrosion, can not lose.
Administering and maintaining by power supply department of these magnetic pillows is responsible for.The state of magnetic pillow is directly connected to traffic safety, if the magnetic pillow damages or loses, can cause that electric locomotive is charged rushes phase-splitting, causes adjacent substation phase fault, causes and blows contact wire or serious accidents such as catenary, damage substation and locomotive equipment.Uplink K617 place is charged to the east of between the Mu Gou station in the Gongyi rushes phase-splitting and cause the accident of blowing the contact system catenary as 27032J goods train of No. 538/537 multi-locomotive of the HXD1C of Luoyang locomotive depot on the 17th type December in 2011 traction, has had a strong impact on my and innings has transported the production order.Adopt the remanent magnetism of resting the head on the method measurement magnetic of manual measurement to judge the state of magnetic pillow at present, and there is the problem of omission and flase drop in manual measurement always.
The utility model content
The purpose of this utility model provides a kind of electrified railway ground magnetic pillow dynamic detection system and method for inspection, can simulate under the electric power locomotive operation situation the automatically undue phase system ground of electric locomotive magnetic pillow is carried out dynamic measurement, and can accurately measure the standard-required whether its magnetic-field intensity and magnetic pillow position meet the Ministry of Railways.
The utility model adopts following technical proposals:
A kind of electrified railway ground magnetic pillow dynamic detection system, comprise for detection of the position of magnetic-inductive device and the sensor of magnetic size, signal converter, the power supply that is used for system's power supply, analog acquisition card and industrial computer, described sensor connects the input end of analog quantity capture card respectively by signal converter, the mouth of analog acquisition card connects input end of industrial control machine, also comprise the vehicle for simulation electric power locomotive operation, the below of described carbody both sides is respectively arranged with at least one sensor, the described sensor that is arranged on the vehicle both sides equates in the relative distance of two magnetic-inductive devices of projector distance and rail both sides on same sleeper of same sleeper, and first, the vertical distance of second sensor and detected magnetic-inductive device is not less than 150MM.
Described number of sensors is six, is that a component is two groups with three, is separately positioned on the both sides of vehicle.
Described every group of sensor comprises two magnetoresistive transducers and a magnet coil sensor.
Described vehicle is Contact Line Detection car or operation vehicle for contact wire.
The utility model is by installing many group sensors below the car body of vehicle, and actuating vehicle, simulation normal electricity locomotive high-speed cruising state, detect the magnetic size of tested highway section magnetic-inductive device by sensor, data such as position, and detected data are sent to industrial computer analysis by signal converter and analog acquisition card, form position and the magnetic size curve of the magnetic-inductive device of test line section, the magnetic pillow that issues according to the Ministry of Railways such as installs and uses at the standard that is defined as, thereby whether position and the magnetic that can detect tested highway section magnetic-inductive device fast and accurately meet standard-required, the flase drop of having avoided manual measurement to occur, the omission phenomenon.
Description of drawings
Fig. 1 is schematic circuit diagram of the present utility model;
Fig. 2 is the installation site scheme drawing of sensor described in the utility model.
The specific embodiment
Electrified railway ground magnetic is rested the head on dynamic detection system as shown in Figure 1, comprise the sensor for detection of magnetic-inductive device position and magnetic size, signal converter, the power supply that is used for system's power supply, analog acquisition card and industrial computer, described sensor connects the input end of analog quantity capture card respectively by signal converter, the mouth of analog acquisition card connects input end of industrial control machine, also comprise vehicle 3, the below of described vehicle 3 both sides is respectively arranged with at least one sensor, the described sensor that is arranged on vehicle 3 both sides equates in the relative distance of two magnetic-inductive devices of projector distance and rail both sides on same sleeper of same sleeper, and first, the vertical distance of second sensor and detected magnetic-inductive device is not less than 150MM.It is the automatic phase-splitting engineering factor of crossing of National Standard vehicle-mounted control electric locomotive that the vertical distance of described first, second sensor and detected magnetic-inductive device is not less than 150MM " in the installation requirement regulation of 7.2.4 built-in type sleeper.Specific as follows: the built-in type sleeper should not be in track switch and rail joint place, and the inner magnet inductor should be avoided signal and other track equipments, and distance is more than or equal to 1m.If former allocation is not suitable for installing, can be with installation site adjustment in ± 2m scope.Magnetic inductor should be fixed on the rail outside, surveys working edge horizontal throw (335 ± 15) mm in its width between centers rail, apart from the signal receiver vertical distance more than or equal to 150mm; The built-in type sleeper should guarantee that signal receiver place magnetic induction density is not less than 0.004T when installing.Detect boundary value 0.004T be the native system sensor, namely surpass 0.004T and be and detect and normally, be lower than 0.004T and be magnetic pillow magnetic force and reduce, it should in time be safeguarded and change.Other detailed standard also can make native system carry out dynamic measurement by maximized use vehicle simulation power vehicle, and make the precision of measurement more accurate with reference to concrete regulation.
Described number of sensors is six, is one group of both sides that are arranged on vehicle 3 respectively with two sensors.First group of sensor is arranged on a side of vehicle 3, second group of sensor is arranged on the opposite side setting, can prevent from like this when vehicle 3 motion, being offset the signal errors that causes owing to jolt, every group of sensor comprises two magnetoresistive transducers 1 and a magnet coil sensor 4, use two magnetoresistive transducers 1 to monitor magnetic pillow intensity size simultaneously, get average and make the precision of test bigger.Described magnet coil sensor 4 is used for directly detecting the existence that magnetic is rested the head on, and makes measurement more direct.
Described number of sensors also can be two, also can realize the purpose of this utility model.But when vehicle when electrified railway is travelled, run into bend or when jolting, the position of the relative ground magnetic pillow of sensor has skew, thereby can not detect or flase drop.Optimal selection is six sensors, can not only avoid omission, flase drop like this, also saves cost.
Described vehicle 3 is Contact Line Detection car or operation vehicle for contact wire.Contact Line Detection car or operation vehicle for contact wire are existing railway O﹠M and use vehicle, have the high speed that enough power simulates electric locomotive and advance.Also can have the car body of power for other, as long as can simulate the requirement that the power car body of electric locomotive campaign namely can reach dynamic measurement.
Described sensor installation is carried out the position installation of sensor with reference to the automatic phase-splitting Ministry of Railways industry standard " the automatic phase-splitting engineering factor of crossing of vehicle-mounted control electric locomotive " of crossing of Ministry of Railways's issue in 2008 fully, the result of Ce Lianging also can make the maintenance effects of railway magnetic pillow better with the benchmark that is defined as of above-mentioned standard so like this.
The utility model is simulated the motion on rail of train by using the Contact Line Detection car, and installs two groups or organize sensor more and measure simultaneously at the Contact Line Detection car, gets the aviation value of each group then, makes measurement more accurate like this.Described two sensors is installed in the both sides of Contact Line Detection car respectively, thereby can detect in motion process the position of magnetic pillow of process and the magnetic induction density of magnetic pillow, after signal processor processes, be delivered to industrial computer by the analog acquisition card again, industrial computer carries out Treatment Analysis to the magnetic pillow information that collects, thus obtain intuitively survey in the highway section magnetic pillow and whether meet codes and standards.
Claims (4)
1. an electrified railway ground magnetic is rested the head on dynamic detection system, it is characterized in that: comprise for detection of the position of magnetic-inductive device and the sensor of magnetic size, signal converter, the power supply that is used for system's power supply, analog acquisition card and industrial computer, described sensor connects the input end of analog quantity capture card respectively by signal converter, the mouth of analog acquisition card connects input end of industrial control machine, also comprise vehicle, the below of described vehicle both sides is respectively arranged with at least one sensor, the described sensor that is arranged on the vehicle both sides equates in the relative distance of two magnetic-inductive devices of projector distance and rail both sides on same sleeper of same sleeper, and first, the vertical distance of second sensor and detected magnetic-inductive device is not less than 150MM.
2. electrified railway according to claim 1 ground magnetic pillow dynamic detection system, it is characterized in that: described number of sensors is six, is that a component is two groups with three, is separately positioned on the both sides of vehicle.
3. electrified railway according to claim 2 ground magnetic pillow dynamic detection system, it is characterized in that: described every group of sensor comprises two magnetoresistive transducers and a magnet coil sensor.
4. according to the arbitrary described electrified railway of claim 1-3 ground magnetic pillow dynamic detection system, it is characterized in that: described vehicle is Contact Line Detection car or operation vehicle for contact wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320153070 CN203222005U (en) | 2013-03-29 | 2013-03-29 | Dynamic detection system for ground magnetic ties of electric railways |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320153070 CN203222005U (en) | 2013-03-29 | 2013-03-29 | Dynamic detection system for ground magnetic ties of electric railways |
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| CN203222005U true CN203222005U (en) | 2013-10-02 |
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| CN 201320153070 Expired - Fee Related CN203222005U (en) | 2013-03-29 | 2013-03-29 | Dynamic detection system for ground magnetic ties of electric railways |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171587A (en) * | 2013-03-29 | 2013-06-26 | 王佳 | System and method for dynamic detection of magnetic sleepers on ground of electric railway |
-
2013
- 2013-03-29 CN CN 201320153070 patent/CN203222005U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171587A (en) * | 2013-03-29 | 2013-06-26 | 王佳 | System and method for dynamic detection of magnetic sleepers on ground of electric railway |
| CN103171587B (en) * | 2013-03-29 | 2015-09-09 | 王佳 | A kind of electrified railway ground magnetic pillow dynamic detection system and method for inspection |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20180329 |