CN110091765A - Excessive phase method, electronic tag, reader and system based on electronic tag - Google Patents
Excessive phase method, electronic tag, reader and system based on electronic tag Download PDFInfo
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- CN110091765A CN110091765A CN201810098399.XA CN201810098399A CN110091765A CN 110091765 A CN110091765 A CN 110091765A CN 201810098399 A CN201810098399 A CN 201810098399A CN 110091765 A CN110091765 A CN 110091765A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
- B60M3/04—Arrangements for cutting in and out of individual track sections
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10366—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications
- G06K7/10415—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM
- G06K7/10425—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM the interrogation device being arranged for interrogation of record carriers passing by the interrogation device
- G06K7/10435—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM the interrogation device being arranged for interrogation of record carriers passing by the interrogation device the interrogation device being positioned close to a conveyor belt or the like on which moving record carriers are passing
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- Computer Networks & Wireless Communication (AREA)
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- General Health & Medical Sciences (AREA)
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- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of excessive phase method, electronic tag, reader and system based on electronic tag, method includes: S1. by being mounted on the electronic tag of the reader reading installation of individual-phase control point ON TRAINS, obtains the first data being stored on electronic tag；First data include: marshals data and grouped location data；The marshals data is used to indicate the quantity in train marshalling list by electric car；The grouped location data indicate the grouped location by electric car in the train；S2. determine that train, by state, controls the power output of passing phase insulator device, realize the automatic passing over of neutral section of train in phase-separating section according to the first data that the reader is read.The advantages that present invention, which has, is not easily susceptible to face vehicle interference, and uplink and downlink vehicle is not easy to interfere with each other, and can be verified according to coding protocol to coding, greatly reduces error code information, improves train position detection information reliability, at low cost, long service life.
Description
Technical field
The present invention relates to railways to cross split-phase technical field more particularly to a kind of excessive phase method, electricity based on electronic tag
Subtab, reader and system are particularly suitable for ground automatic passing over of neutral section.
Background technique
Electrification railway contact net uses single phase industrial frequence ac power supply method, in order to reduce Three-phase Power Systems power supply network
Voltage unbalance factor and raising power grid utilization rate, electric railway are using segmentation split-phase power supply, i.e., different in voltage-phase
The differential gap of a Duan Wu electricity is embedded between two supply arms, it is smoothed by overlap between each supply arm and differential gap
It crosses.In electric railway operation, in order to reduce the adverse effect of contact net electricity phase-separating section, vehicle-mounted automatic passing over of neutral section is mostly used greatly
Or ground automatic passing over of neutral section.
Vehicle-mounted automatic passing over of neutral section: after locomotive is obtained from the mistake split-phase anticipating signal that terrestrial transmission is come, being confirmed first,
Then the trigger pulse (being equal to driver when crossing split-phase manually to return to zero traction handle) of traction convertor is blocked, delay disconnects master
Breaker makes locomotive coasting pass through non-Electric region.After through non-Electric region, locomotive is restarted according still further to opposite sequence.
Vehicle-mounted automatic passing over of neutral section be substantially it is a kind of powered off split-phase, power off area head, there is that certain speed loss is big, leads
Gravitation is lost seriously, and overvoltage phenomenon is serious, threatens the safe operation of electrical equipment.
Ground automatic passing over of neutral section: mechanical ground automatic passing over of neutral section passes through the elder generation of two sets of switches when locomotive passes through phase-separating section
Switch afterwards to achieve the purpose that power to differential gap, time of the locomotive without electricity can be greatly reduced in this way, reached reduction speed
With the purpose of loss of traction.According to the switchtype of use, ground automatic passing over of neutral section can be divided into the automatic mistake in mechanical switch ground
Split-phase and electronic switch ground automatic passing over of neutral section.
No matter mechanical ground automatic passing over of neutral section or electronic switch ground automatic passing over of neutral section, require train position information,
Judgment basis as the movement of ground automatic neutral-section passing device.The key of ground automatic passing over of neutral section is: quick and precisely detecting machine
Vehicle runs physical location, provides movement foundation for control system.
Split-phase motor truck position detection mode is crossed on ground at present mainly meter shaft detection method, track circuit detection method, infrared right
Penetrate that detection method, contact net clue electric current testing etc. are several, and wherein meter shaft detection mode is most widely used.
In meter shaft detection method: axle count sensor is core equipment, can be installed on steel rail web, directly meter take and
It checks the number of axle by train, judges whether train reaches the device of test point.Axle count sensor needs to be installed at track, work
Journey amount is big, and is difficult to differentiate between motor-car and trailer, and easily causing axle count sensor, there are error code phenomenons, so that ground automatic passing over of neutral section fills
Train position cannot be accurately identified by setting.
In track circuit detection method: in the track circuit section free time, the signal electricity of some strength is sent from track power supply
Stream, send through steel rail line to the receiving end of track circuit.When track circuit is occupied by rolling stock, sent out from track circuit power supply
Signal code out is because of the shunting of rolling stock axle, and only a small part signal code is sent to the reception of track circuit
The relay of equipment, receiving device is unable to excitation because of electric current deficiency, i.e. the sending occupied information of track.Party's law technology at
Ripe, testing result accuracy is high.But there is the signal for being difficult to differentiate between motor-car and trailer, track circuit in the presence of mutual with column control signal
The disadvantages of a possibility that interference.
Infrared emission detection method: being generally made of infrared transmitter, infrared remote receiver, and when train passes through, locomotive stops
Or reflection signal, infrared remote receiver form locomotive and reach output signal.The detection mode equipment is simple, and installation is convenient.But
This method will substantially reduce its reliability vulnerable to external environment influence, especially live dust influence.
Contact net clue electric current testing: perforation type current transformer is used, was detected at split phase segment key position
Carrier cable or messenger wire electric current, know train position information.When no train passes through, the electric current detected is 0.And when train passes through
When, sensor secondary side generates electric current, drives fibre optical transmission head, output train location information by particular electrical circuit.This method
Equipment is simple, and installation is convenient, but exists without mature detection device, interferes vulnerable to uplink and downlink train, cannot accurately identify column
Truck position.
Summary of the invention
The technical problem to be solved in the present invention is that, for technical problem of the existing technology, the present invention provides one
Kind is not easily susceptible to face vehicle interference, and uplink and downlink vehicle is not easy to interfere with each other, and can be verified according to coding protocol to coding, significantly
Reduce error code information, improve train position detection information reliability, the advantages that at low cost, long service life based on electronics mark
The ground automatic passing over of neutral section method and system of label.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows: a kind of mistake split-phase side based on electronic tag
Method includes the following steps:
S1. the electronic tag of installation ON TRAINS is read by being mounted on the reader of individual-phase control point, is stored in
The first data on electronic tag；First data include: marshals data and grouped location data；The marshals data is used for
Indicate the quantity in train marshalling list by electric car；The grouped location data indicate the grouped location by electric car in the train；
S2. determine that train, by state, controlled split-phase in phase-separating section according to the first data that the reader is read
The power output of device realizes the automatic passing over of neutral section of train.
Further, the electronic tag be mounted on train by electric car, include at least first section by electric car and minor details by
Electric car；It is described to be referred to the compartment with pantograph by electric car.
Further, train specifically including by state in phase-separating section is determined in step S2: according to the marshals data
With grouped location data determine headed by car types section by electric car and/or minor details by electric car, so that it is determined that be train first section by
Electric car and/or minor details are passed through individual-phase control point by electric car.
Further, first data further include indicating the direction of traffic data of the traffic direction of train, for determining
The direction that train passes through individual-phase control point.
Further, whether first data further include check code, correct for verifying first data.
Further, when the electronic tag passes through the reader, the reader repeatedly reads the electronics mark
Label, obtain multiple reading values, successively verify to reading value, the first number that will be obtained by the reading value of verification as reading
According to.
It is a kind of for split-phase electronic tag, be stored with the first data, first data packet in the electronic tag
It includes: marshals data and grouped location data；The marshals data is used to indicate the quantity in train marshalling list by electric car；The marshalling
Position data indicates the grouped location by electric car in the train.
Further, first data further include indicating the direction of traffic data of the traffic direction of train；
Whether first data further include check code, correct for verifying first data.
Further, the electronic tag be mounted on train by electric car, include at least first section by electric car and minor details by
Electric car；It is described to be referred to the compartment with pantograph by electric car.
It is a kind of for split-phase reader, the reader is for reading in described in any item electronic tags as above
First data；
When the electronic tag passes through the reader, the reader repeatedly reads the electronic tag, obtains more
A reading value, successively verifies reading value, the first data that will be obtained by the reading value of verification as reading.
A kind of neutral-section passing system, including reader, controller and passing phase insulator device；
The reader is reader as described above；
The controller is used to be determined train in phase-separating section by state, control according to the first data that reader is read
The power output of passing phase insulator device；
The passing phase insulator device realizes the automatic passing over of neutral section of train for exporting electric energy under the control of the controller.
It further, further include described in any item electronic tags as above.
Compared with the prior art, the advantages of the present invention are as follows:
1, the present invention is read using the reader for being mounted on individual-phase control point in the electronic tag of installation ON TRAINS
First data of storage, determine train in phase-separating section by state, so that the output electric energy to passing phase insulator device controls,
Since electronic label identification is closer, it is not easily susceptible to face vehicle interference, uplink and downlink vehicle is not easy to interfere with each other, anti-interference ability
By force, stability is good.
2, the first data in the present invention are coded data, and have check code, can be verified to coded data
Verifying greatly reduces error code information, improves train position detection information reliability.
3, the present invention uses electronic tag, at low cost, long service life, Maintenance free.
Detailed description of the invention
Fig. 1 is that specific embodiment of the invention concrete scene realizes schematic diagram one.
Fig. 2 is that specific embodiment of the invention concrete scene realizes schematic diagram two.
Fig. 3 is that the specific embodiment of the invention crosses split-phase flow diagram.
Specific embodiment
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
It limits the scope of the invention.
The excessive phase method based on electronic tag of the present embodiment, step are as follows: S1. is by being mounted on readding for individual-phase control point
It reads device and reads the electronic tag of installation ON TRAINS, obtain the first data being stored on electronic tag；First data include: to compile
Group data and grouped location data；Marshals data is used to indicate the quantity in train marshalling list by electric car；Grouped location data indicate
By grouped location of the electric car in train；S2. determine that train passes through shape in phase-separating section according to the first data that reader is read
State controls the power output of passing phase insulator device, realizes the automatic passing over of neutral section of train.
In the present embodiment, the first data further include indicating the direction of traffic data of the traffic direction of train, for determining
The direction that train passes through individual-phase control point.Whether the first data further include check code, correct for verifying the first data.In reality
In, the format of the first data can be flexibly set according to actual needs.Electronic tag be mounted on train by electric car, at least
Including head section by electric car and minor details by electric car；Referred to the compartment with pantograph by electric car.In the present embodiment, compartment refers to marshalling
At every section vehicle in train, the entirety constituted including the equipment on car body and car body.Train refers to by more piece compartment according to certain
Marshalling and the entirety that forms.
In the present embodiment, if being only equipped with electronic tag on by electric car, the format of the first data are as follows: marshals data (8
Position)-grouped location data (3)-traffic direction data (1)-check code (X, as needed determining digit), in bracket
Data value is the length of corresponding data section, and the length of each data segment can be set as needed.In marshals data, every 1 represents 1 section
Compartment, 1 indicates by electric car, and 0 indicates non-by electric car.The value of grouped location data indicates correspondence by which section that electric car is in marshalling
By electric car.Traffic direction respectively indicates upstream or downstream by 0 or 1.Such as 8 vehicles are organized into groups, first bus and last bus be by electric car, that
, the first data of first bus are as follows: 10000001 (indicating that first bus and last bus are by electric car) -001 (decimal value 1, indicating should be by
Electric car be marshalling in Section 1 by electric car) -1 (downlink)-check code；First data of last bus are as follows: 10000001 (indicate first bus and
Last bus be by electric car) -010 (and decimal value 2, indicate should by electric car be marshalling in Section 2 by electric car) -1 (downlink)-verify
Code.Can be determined in marshalling according in marshals data 1 number has several sections by electric car, according to grouped location data can determine by
Electric car be marshalling in which section by electric car.
In the present embodiment, according to the specific implementation process of this method, the first data format can more be simplified are as follows: compile
(3, indicate to correspond to by electric car is in marshalling to group data (3, indicate the quantity in marshalling by electric car)-grouped location data
Which section is by electric car)-traffic direction data bit (1)-check code (X, determine digit as needed).Still with as described above
Organizational systems, then, the first data of first bus are as follows: 010 (indicate marshalling in have 2 sections by electric car) -001 (indicating should be by electric car
It is that Section 1 is by electric car in marshalling, i.e., first section is by electric car) -1 (downlink)-check code；First data of last bus are as follows: 010 (indicates to compile
Have 2 sections by electric car in group) -010 (indicating it should was that Section 2 is by electric car in marshalling by electric car, i.e., minor details are by electric car) -1 (downlink)-school
Test code.Can be directly determined in marshalling according to marshals data has several sections by electric car, can be determined according to grouped location data by electricity
Vehicle be marshalling in which section by electric car.
In the present embodiment, further, grouped location data can also be reduced to 2, be such as expressed as in marshalling with 10
First section indicate that minor details in marshalling indicate that middle position is indicated to be both in marshalling by electric car, 11 by electric car, 00 by electric car, 01
Unique 1 section is by electric car.As 8 vehicles marshalling in, Section 1, Section 4, Section 5 and Section 8 be by electric car, then, the volume of Section 1 vehicle
Group position data is 10, that is, indicates that the vehicle be that first in marshalling is saved by electric car, the grouped location data of Section 4 and Section 5 vehicle are
00, be expressed as middle position by electric car, the grouped location data of Section 8 vehicle are 01, indicate the vehicle be minor details in organizing into groups by
Electric car.
In the present embodiment, train specifically including by state in phase-separating section is determined in step S2: according to marshals data
With grouped location data determine headed by car types section by electric car and/or minor details by electric car, so that it is determined that be train first section by
Electric car and/or minor details are passed through individual-phase control point by electric car.Specifically, train crosses the scene of split-phase as shown in Figure 1, phase-separating section has 3
A individual-phase control point, is respectively arranged with reader 1, reader 2 and reader 3, and train passes through the phase-separating section from left to right.Specifically
Workflow as shown in figure 3, when train passes through reader 1 from left to right, the first data of electronic tag can be read,
By above-mentioned method, can be judged by the first data the vehicle whether be first section in marshalling by electric car and/formula minor details by
Electric car, for only having 1 section by the marshalling of electric car, head section is minor details by electric car by electric car.At this point, when being driven into from head section by electric car
Start, control electronic switch V1 is held on, so that neutral section has supplied character identical with supply arm a.In minor details by electricity
After vehicle drives into, it is still desirable to keep electronic switch V1 that the regular hour is connected, until minor details are driven out to supply arm a by electric car.
When train passes through reader 2 from left to right, the first data of electronic tag can be read, above-mentioned side is passed through
Method, can be judged by the first data the vehicle whether be first section in marshalling by electric car and/formula minor details by electric car, for only
For 1 section by the marshalling of electric car, head section is minor details by electric car by electric car.At this point, disconnecting electronic switch when head section is driven by electric car
V1, and electronic switch V2 conducting is controlled, so that neutral section has supplied character identical with supply arm b.
When train passes through reader 3 from left to right, the first data of electronic tag can be read, above-mentioned side is passed through
Method, can be judged by the first data the vehicle whether be first section in marshalling by electric car and/formula minor details by electric car, for only
For 1 section by the marshalling of electric car, head section is minor details by electric car by electric car.At this point, disconnecting electronic switch when minor details are crossed by electric car
V2 completes train and passes through phase-separating section.After guaranteeing that entire train all passes through phase-separating section, then disconnect electronic switch V2.
In the present embodiment, when electronic tag passes through reader, reader repeatedly reads electronic tag, obtains multiple readings
Value successively verifies reading value, the first data that will be obtained by the reading value of verification as reading.With train head section
It is illustrated for when being passed through reader 1 by electric car, the data content of reader more than 1 time reading electronic tag storage obtains more
A data value, because including check code in the data content, reader 1 can be by the data value that reads every time
Check code verified, if verification do not pass through, show this time read data content it is wrong, it is abandoned.Selection institute
The next data value read repeats above-mentioned checking procedure.If verification passes through, using the data value as being read
First data, the determination for train position.
In the present embodiment, when train from right to left when driving, the process for crossing split-phase is identical as the principle of the above process, presses
It is executed according to direction from right to left.When phase-separating section is provided with 4 individual-phase control points, as shown in Fig. 2, 4 individual-phase control points
It is disposed with reader 1, reader 2, reader 3, reader 4.Its excessive process is identical as the principle of the above process, different
Place is only that, when train is run from left to right, selects reader 1, reader 3, reader 4 effective；When train from the right side to
When left operation, select reader 4, reader 2 and reader 1 effective.
In the present embodiment, the installation site of electronic tag and reader can there are many.Mode one: electronic tag setting
In the bottom of compartment, reader is arranged on the railway roadbed among track；Mode two: compartment is arranged in electronic tag
Top, reader are mounted on the carrier cable of contact line, or lead to additional support rod and reader is erected on car body top
The position of side.
The electronic tag for being used for split-phase of the present embodiment is stored with the first data in electronic tag, and the first data include:
Marshals data and grouped location data；Marshals data is used to indicate the quantity in train marshalling list by electric car；Grouped location tables of data
Show the grouped location by electric car in train.First data further include indicating the direction of traffic data of the traffic direction of train；The
Whether one data further include check code, correct for verifying the first data.Electronic tag be mounted on train by electric car, at least
Including head section by electric car and minor details by electric car；Referred to the compartment with pantograph by electric car.
The present embodiment it is a kind of for split-phase reader, reader is used to read in electronic tag any one of as above
The first data；When electronic tag passes through reader, reader repeatedly reads electronic tag, obtains multiple reading values, successively
Reading value is verified, the first data that will be obtained by the reading value of verification as reading.
The neutral-section passing system of the present embodiment, as depicted in figs. 1 and 2, including reader, controller and passing phase insulator device；It reads
Reading device is reader as above；Controller is used to determine that train passes through shape in phase-separating section according to the first data that reader is read
State controls the power output of passing phase insulator device；Passing phase insulator device realizes train for exporting electric energy under the control of the controller
Automatic passing over of neutral section.The neutral-section passing system of the present embodiment further includes electronic tag any one of as above.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
It has been disclosed in a preferred embodiment above, however, it is not intended to limit the invention.Therefore, all without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (12)
1. a kind of excessive phase method based on electronic tag, it is characterised in that:
S1. the electronic tag of installation ON TRAINS is read by being mounted on the reader of individual-phase control point, acquisition is stored in electronics
The first data on label；First data include: marshals data and grouped location data；The marshals data is for indicating
By the quantity of electric car in train marshalling list；The grouped location data indicate the grouped location by electric car in the train；
S2. determine that train, by state, controls passing phase insulator device in phase-separating section according to the first data that the reader is read
Power output, realize the automatic passing over of neutral section of train.
2. the excessive phase method according to claim 1 based on electronic tag, it is characterised in that: the electronic tag installation
In being saved by electric car and minor details by head on electric car, is included at least by electric car for train；It is described to be referred to the compartment with pantograph by electric car.
3. the excessive phase method according to claim 2 based on electronic tag, it is characterised in that: determine train in step S2
In being specifically included by state for phase-separating section: according to the marshals data and grouped location data determine headed by car types section by
Electric car and/or minor details are by electric car, so that it is determined that being that the first section of train is passed through individual-phase control point by electric car by electric car and/or minor details.
4. the excessive phase method according to claim 3 based on electronic tag, it is characterised in that: first data are also wrapped
The direction of traffic data for indicating the traffic direction of train are included, for determining that train passes through the direction of individual-phase control point.
5. the excessive phase method according to any one of claims 1 to 4 based on electronic tag, it is characterised in that: described
Whether one data further include check code, correct for verifying first data.
6. the excessive phase method according to claim 5 based on electronic tag, it is characterised in that: logical in the electronic tag
When crossing the reader, the reader repeatedly reads the electronic tag, obtains multiple reading values, successively carries out to reading value
Verification, the first data that will be obtained by the reading value of verification as reading.
7. it is a kind of for split-phase electronic tag, it is characterised in that: be stored with the first data in the electronic tag, described
One data include: marshals data and grouped location data；The marshals data is used to indicate the quantity in train marshalling list by electric car；
The grouped location data indicate the grouped location by electric car in the train.
8. the electronic tag according to claim 7 for being used for split-phase, it is characterised in that: first data further include table
Show the direction of traffic data of the traffic direction of train；
Whether first data further include check code, correct for verifying first data.
9. the electronic tag according to claim 7 or 8 for being used for split-phase, it is characterised in that: the electronic tag installation
In being saved by electric car and minor details by head on electric car, is included at least by electric car for train；It is described to be referred to the compartment with pantograph by electric car.
10. it is a kind of for split-phase reader, it is characterised in that: the reader is for reading such as claim 7 or 8 or 9
The first data in the electronic tag；
When the electronic tag passes through the reader, the reader repeatedly reads the electronic tag, obtains multiple readings
Value successively verifies reading value, the first data that will be obtained by the reading value of verification as reading.
11. a kind of neutral-section passing system, it is characterised in that: including reader, controller and passing phase insulator device；
The reader is reader as claimed in claim 10；
The controller is used to determine that train, by state, controls excessively in phase-separating section according to the first data that reader is read
The power output of phase device；
The passing phase insulator device realizes the automatic passing over of neutral section of train for exporting electric energy under the control of the controller.
12. neutral-section passing system according to claim 11, it is characterised in that: further include such as any one of claim 7 to 9 institute
The electronic tag stated.
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| CN201810098399.XA CN110091765A (en) | 2018-01-31 | 2018-01-31 | Excessive phase method, electronic tag, reader and system based on electronic tag |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721748A (en) * | 2019-10-14 | 2021-04-30 | 株洲中车时代电气股份有限公司 | Method, system, device and medium for automatically passing through dead zone of urban rail transit train |
| CN113370790A (en) * | 2021-07-01 | 2021-09-10 | 中车青岛四方车辆研究所有限公司 | Tramcar pantograph control method, system and control circuit |
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