CN201833895U - Auto-passing split-phase device of electric locomotive - Google Patents

Auto-passing split-phase device of electric locomotive Download PDF

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Publication number
CN201833895U
CN201833895U CN2010205481715U CN201020548171U CN201833895U CN 201833895 U CN201833895 U CN 201833895U CN 2010205481715 U CN2010205481715 U CN 2010205481715U CN 201020548171 U CN201020548171 U CN 201020548171U CN 201833895 U CN201833895 U CN 201833895U
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CN
China
Prior art keywords
zone
neutral
contact
wheel sensor
phase switch
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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.)
Expired - Fee Related
Application number
CN2010205481715U
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Chinese (zh)
Inventor
王帮田
孙鹏程
王其中
郭大庆
张�杰
洪文芳
姜亚军
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Xuji Group Co Ltd
XJ Electric Co Ltd
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Xuji Group Co Ltd
XJ Electric Co Ltd
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Priority to CN2010205481715U priority Critical patent/CN201833895U/en
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Publication of CN201833895U publication Critical patent/CN201833895U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an auto-passing split-phase device of an electric locomotive, which comprises a detection identification system, a control system and an executive system connected with a contact network lead, wherein the detection identification system comprises two pairs of wheel sensors arranged at the front position and the rear position with set distance in a neutral zone of a railway line and a pair of wheel sensors arranged in the middle position of the neutral zone; each pair of the wheel sensors are respectively arranged at two sides of the railway; the output of each wheel sensor is connected with the control system; each wheel sensor is provided with two contacts; and an area between the front pair of wheel sensors and the middle position of the neutral zone is a detection area, and an area between the rear pair of wheel sensors and the middle point of the neutral zone is another detection area. The auto-passing split-phase device adopts the wheel sensors with two contacts, therefore, the movement direction of the locomotive can be quickly judged; and backup is provided for each wheel sensor, therefore, the reliability of the whole system is improved.

Description

A kind of electric locomotive automatic neutral-section passing device
Technical field
The utility model relates to a kind of way traffic electric locomotive automatic neutral-section passing device.
Background technology
Single phase industrial frequency AC system is adopted in China's electric railway traction power supply at present, electric locomotive in the process of moving, be to obtain single phase alternating current from the electrical network that is erected at the railway side power is provided, there is different phase sequences in traction net feeding section, at a certain distance, establish a phase-splitting neutral zone as about 20-30 kilometers.When its contact both sides net during by not cophase supply, the neutral zone should guarantee that train safe passes through, and the short circuit accident does not take place, so the electric locomotive locomotive by phase-splitting point the time, needs to disconnect line circuit breaker the impact of avoiding undue phase time power phase sudden change to cause.The driver's of the undue phase time of locomotive operating process is as follows: separate mutually when far away, the locomotive cruising, level (corresponding to certain locomotive electric current) handle is in the normal position: near phase-splitting point the time, the driver need move back level, before guaranteeing that locomotive arrival outage is marked, the level potential energy drops to zero and disconnect line circuit breaker, make then locomotive under the situation of not power taking stream by the phase-splitting point; After phase-splitting point, closing the closed line circuit breaker in electric mark place, wait locomotive state to recover upgrading position, back.The undue phase time of electric locomotive, adopt driver's manual manipulation mode mostly, the driver will observe surface mark at any time in the operation, will finish the sequence of operations action at short notice, not only expends driver's energy in a large number, increase labour intensity, and totally unfavorable to safe in operation, the driver has misoperation slightly, will make that locomotive is charged rushes phase-splitting, burn neutral section insulator, cause the accident.
China Patent No. ZL200620078361.9 discloses a kind of power car automatic passing phase insulator device, it comprises control system, detects recognition system and actuating system, the wheel sensor of described detection recognition system is arranged on track one side of railway track, and its main frame is arranged in the machine room; Control system and actuating system are arranged in the machine room of ground, and are connected on the contact line conducting wire by feeder line; Detecting recognition system is connected with control system by cable respectively with actuating system.This technology can reduce driver's labour intensity, guarantees that locomotive does not have operation at full capacity by the segmentation of contact system phase, both can solve the problem of driver operation difficulty under the train high-speed case, can improve the transport capacity of throat section again.
The shortcoming of such scheme is, because its wheel sensor that detects recognition system can not directly detect the locomotive direction information, and certain distance is arranged between each wheel sensor, if comprehensively the information of each wheel sensor judges that the locomotive direction just needs the long time, the direction that can not carry out is immediately judged; And because system relies on the detection information of wheel sensor very much, in case the wheel sensor fault, control system just can not judge correctly that carrying out actv. has controlled.
The utility model content
The purpose of this utility model provides a kind of electric locomotive automatic neutral-section passing device, is used to expand the performance that detects recognition system, and improves the total system reliability.
For finishing above-mentioned purpose, the scheme that the utility model adopts is: a kind of electric locomotive automatic neutral-section passing device, this device comprises the detection recognition system, control system and with contact line conducting wire bonded assembly actuating system, described detection recognition system comprises and is symmetricly set on one in front and one in back two couples of wheel sensor (J1 of setpoint distance of railway track neutral zone, J1 ', J3, J3 ') and a pair of wheel sensor (J2 that is provided with of neutral zone point midway, J2 '), every pair of wheel sensor lays respectively at the track both sides, each wheel sensor output connects described control system, and described each wheel sensor has two contacts; Last is a detection zone to the zone between wheel sensor (J1, J1 ') and the neutral zone mid point, and the zone between back a pair of wheel sensor (J3, J3 ') and the neutral zone mid point is another detection zone.
The utility model adopts double-contact wheel sensor, thereby can judge the sense of motion of locomotive rapidly; Each wheel sensor all is provided with standby, thereby has improved the reliability of total system.
Described detection recognition system adopts the meter axle to add the circuit-mode of direction.Described actuating system is made of at least one automatically undue phase switch circuit unit, each automatically undue phase switch circuit unit comprises that one is used for break-make and connects neutral zone contact system and one side power supply contact system No. one and cross split-phase switch ZK1 circuit and another and be used for break-make and be connected split-phase switch ZK2 circuit contact system neutral zone and opposite side contact system power supply thereof No. two, two split-phase switch is connected with described control system.Two undue phase switch circuits all connect with the corresponding power supply contact system mutually of neutral zone contact system and both sides thereof by each insulating contact of an electric isolating switch GK, and electric isolating switch GK is connected with control system.
Locomotive position detects the axle-counting signal method that adopts, and axle-counting signal adopts the magnetic line of force deflection principle, changes the purpose that magnetic line of force reaches the meter axle by wheel.When being installed in the wheel sensor on rail limit, the locomotive process can cause changes of magnetic field, this magnetic field variation signal is sent to the indoor host computer cabinet by outdoor signal cable, the indoor host computer cabinet is exported " orbit occupancy and direction " signal by safety type relay in the mode of contact after magnetic field variation signal is handled again, judges the location information and the direction of traffic of locomotive with this.
Description of drawings
Fig. 1 is an electric locomotive automatic neutral-section passing device structural representation of the present utility model.
The specific embodiment
The utility model is described in more detail below in conjunction with accompanying drawing.
A kind of electric locomotive automatic neutral-section passing device as shown in Figure 1, comprise the detection recognition system that is arranged on the railway track side, control system and with contact line conducting wire bonded assembly actuating system, described control system comprises and rating unit that detects recognition system signal bonded assembly input end, signal is compared and the mouth that outputs a control signal to actuating system according to the result of rating unit.Actuating system is made of two automatically undue phase switch circuit unit, each automatically undue phase switch circuit unit comprises that a undue phase switch circuit that is used for break-make connection neutral zone contact system and one side power supply contact system is used for No. two undue phase switch circuits that break-make is connected contact system neutral zone and opposite side contact system power supply thereof with another, and two cross split-phase switch is connected with control system.Two undue phase switch circuits of each unit all connect with the corresponding power supply contact system mutually of neutral zone contact system and both sides thereof by each insulating contact of an electric isolating switch, and electric isolating switch is connected with control system.Automatically be respectively arranged with lightning arrester in the mistake split-phase switch both sides of two undue phase switch circuits of undue phase switch circuit unit at each.Described detection recognition system comprises and is symmetricly set on the one in front and one in back wheel sensor J2 that is provided with of wheel sensor J1, the J3 of setpoint distance and neutral zone point midway of neutral zone, railway track side, zone between wheel sensor J1 and the neutral zone mid point is a detection zone A section, and the zone between wheel sensor J3 and the neutral mid point is another detection zone B section.Each wheel sensor all has standby, i.e. J1 ', J2 ', J3 '. and the described split-phase switch of crossing is a vacuum load switch, and disconnector is the three utmost points electrical operated disconnectores that link.
The utility model principle of work is as follows:
As shown in Figure 1, the two ends, neutral zone are connected with contact system by insulation joint JYA, JYB, and disconnector GK, GK1, GK2 are closed under initial situation.GK, ZK1, GK1 form the undue phase switching circuit of A section, and GK, ZK2, GK2 form the undue phase switching circuit of B section.Sending a car with the left side is example, and promptly locomotive sails A between detection zone into.Under the initial situation, ZK1 disconnects, neutral section is not charged, when locomotive sails signal acquisition point J1, J1 ' time into, wheel sensor reaches annunciator panel to the information that collects by cable, and annunciator panel sends section A and " takies " and reach " direction " signal to the logic control dish, and the logic control dish sends instruction and gives automatic mistake split-phase switch control panel, automatically cross the split-phase switch control panel and send the reclosing command ZK1 switch that closes again, neutral section is got a-power supply; When locomotive sails signal acquisition point J2 into, J2 ' time, wheel sensor reaches annunciator panel to the information that collects by cable again, annunciator panel sends section B and " takies " and reach " direction " signal to the logic control dish, the logic control dish sends instruction and gives the automatic split-phase switch control panel of crossing, automatically cross the split-phase switch control panel and send instruction disconnection ZK1 again, ZK2 closes, neutral section is got B-source, when locomotive all rolls signal acquisition point J3 away from, J3 ' time, wheel sensor reaches annunciator panel to the information that collects by cable again, annunciator panel sends section B " free time " signal to the logic control dish, the logic control dish sends instruction and gives the automatic split-phase switch control panel of crossing, automatically cross the split-phase switch control panel and send separating brake instruction disconnection ZK2 again, finish once the automatic phase-splitting of crossing, the system reset initial condition waits for that next time train arrives.Send a car roughly the same in course of action of sending a car in the right side and above-mentioned left side.

Claims (4)

1. electric locomotive automatic neutral-section passing device, this device comprise detect recognition system, control system and with contact line conducting wire bonded assembly actuating system, it is characterized in that, described detection recognition system comprises and is symmetricly set on railway track neutral zone one in front and one in back two couples of wheel sensores (J1, J1 ' of setpoint distance, J3, J3 ') and a pair of wheel sensor (J2, J2 ') that is provided with of neutral zone point midway, every pair of wheel sensor lays respectively at the track both sides, each wheel sensor output connects described control system, and described each wheel sensor has two contacts; Last is a detection zone to the zone between wheel sensor (J1, J1 ') and the neutral zone mid point, and the zone between back a pair of wheel sensor (J3, J3 ') and the neutral zone mid point is another detection zone.
2. electric locomotive automatic neutral-section passing device according to claim 1 is characterized in that, described detection recognition system adopts the meter axle to add the circuit-mode of direction.
3. electric locomotive automatic neutral-section passing device according to claim 1 and 2, it is characterized in that, described actuating system is made of at least one automatically undue phase switch circuit unit, each automatically undue phase switch circuit unit comprises that one is used for break-make and connects neutral zone contact system and one side power supply contact system No. one and cross split-phase switch (ZK1) circuit and another and be used for break-make and be connected split-phase switch (ZK2) circuit contact system neutral zone and opposite side contact system power supply thereof No. two, two split-phase switch is connected with described control system.
4. electric locomotive automatic neutral-section passing device according to claim 3, it is characterized in that, two undue phase switch circuits all connect with the corresponding power supply contact system mutually of neutral zone contact system and both sides thereof by each insulating contact of an electric isolating switch (GK), and electric isolating switch (GK) is connected with control system.
CN2010205481715U 2010-09-29 2010-09-29 Auto-passing split-phase device of electric locomotive Expired - Fee Related CN201833895U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205481715U CN201833895U (en) 2010-09-29 2010-09-29 Auto-passing split-phase device of electric locomotive

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Application Number Priority Date Filing Date Title
CN2010205481715U CN201833895U (en) 2010-09-29 2010-09-29 Auto-passing split-phase device of electric locomotive

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101934746A (en) * 2010-09-29 2011-01-05 许继集团有限公司 Automatic neutral-section passing device for electric locomotive
CN102650572A (en) * 2012-05-14 2012-08-29 南京拓控信息科技有限公司 Detecting system for auto-passing phase-splitting function of electric locomotive
CN102673427A (en) * 2012-06-06 2012-09-19 中铁第一勘察设计院集团有限公司 Device for eliminating overvoltage of passing neutral section through silicon carbide fiber rope
CN103213518A (en) * 2013-03-28 2013-07-24 天津凯发电气股份有限公司 Detection system and detection method of ground automatic passing split-phase locomotive position
CN104627029A (en) * 2015-03-06 2015-05-20 南京拓控信息科技有限公司 Vehicle-mounted automatic passing neutral section detector of railway electric locomotive
CN105346411A (en) * 2015-11-30 2016-02-24 西南交通大学 Partition power supply system for managing stray current at railway vehicle depot and control method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101934746A (en) * 2010-09-29 2011-01-05 许继集团有限公司 Automatic neutral-section passing device for electric locomotive
CN102650572A (en) * 2012-05-14 2012-08-29 南京拓控信息科技有限公司 Detecting system for auto-passing phase-splitting function of electric locomotive
CN102673427A (en) * 2012-06-06 2012-09-19 中铁第一勘察设计院集团有限公司 Device for eliminating overvoltage of passing neutral section through silicon carbide fiber rope
CN102673427B (en) * 2012-06-06 2014-10-01 中铁第一勘察设计院集团有限公司 Device for eliminating overvoltage of passing neutral section through silicon carbide fiber rope
CN103213518A (en) * 2013-03-28 2013-07-24 天津凯发电气股份有限公司 Detection system and detection method of ground automatic passing split-phase locomotive position
CN103213518B (en) * 2013-03-28 2016-08-17 天津凯发电气股份有限公司 Ground automatic passing over of neutral section locomotive position detecting system and detection method
CN104627029A (en) * 2015-03-06 2015-05-20 南京拓控信息科技有限公司 Vehicle-mounted automatic passing neutral section detector of railway electric locomotive
CN105346411A (en) * 2015-11-30 2016-02-24 西南交通大学 Partition power supply system for managing stray current at railway vehicle depot and control method
CN105346411B (en) * 2015-11-30 2017-08-04 西南交通大学 A kind of switched-mode power supply system and control method for administering metro depot stray electrical current

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20110518

Termination date: 20190929