CN209215409U - A kind of rail traffic speed-measurement device based on RFID wireless radio-frequency - Google Patents
A kind of rail traffic speed-measurement device based on RFID wireless radio-frequency Download PDFInfo
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- CN209215409U CN209215409U CN201822083002.8U CN201822083002U CN209215409U CN 209215409 U CN209215409 U CN 209215409U CN 201822083002 U CN201822083002 U CN 201822083002U CN 209215409 U CN209215409 U CN 209215409U
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Abstract
The utility model discloses a kind of rail traffic speed-measurement devices based on RFID wireless radio-frequency, including label model, RFID identification module, logic judgment/communication module (PLC), Train Control module, the RFID identification module and logic judgment/communication module (PLC) integrated installation are in metal cabinet, the label model is mounted on train rail, the metal cabinet is mounted on the designated position of train, for receiving the label signal of label model sending, the utility model is realized to train high speed, high-precision secure localization and control.
Description
Technical field
The utility model relates to Train Control fields, and in particular to a kind of rail traffic based on RFID wireless radio-frequency
Speed measuring device.
Background technique
Existing locomotive velocity measuring system is speed-position detection control unit by being installed on train body and is installed on railway
A large amount of station location marker sensor on route, in train driving, the speed-position detection control unit of car body recycles reading position
The location information and number of sensor are identified, and is recorded twice the interval time T for reading station location marker sensor information, thus
Train speed information is obtained by the formula that speed V=is displaced S/ time T, in order to improve the velocity accuracy for improving measurement, it is necessary to
A large amount of paving location identifies sensor.
Existing locomotive velocity measuring system is speed-position detection control unit by being installed on train body and is installed on railway
Station location marker sensor on route is generally used for full process positioning and speed control when train operation, however, train rail is logical
Multiple braking sections can be often divided into and the section that tests the speed, the train of traveling is not usually required to test the speed in braking section, in addition, existing skill
In art, locomotive velocity measuring device precision is low, reaction speed is slow.
Utility model content
To solve the above problems, the utility model provides a kind of rail traffic speed-measurement dress based on RFID wireless radio-frequency
It sets, to realize to train high speed, high-precision secure localization and control.
A kind of rail traffic speed-measurement device based on RFID wireless radio-frequency, including label model, RFID identification module,
Logic judgment/communication module (PLC), Train Control module, the RFID identification module and logic judgment/communication module (PLC)
In metal cabinet, the label model is mounted on train rail integrated installation, and the metal cabinet is mounted on the finger of train
Positioning is set, for receiving the label signal of label model sending, in which:
Label model: status information is sent for dividing train driving orbital region and current orbit；
RFID identification module: for reading track label information and being sent to logic judgment/communication module；
Logic judgment/communication module (PLC): current road segment information and judging that train should currently execute movement for identification,
It is sent to Train Control module；
Train Control module: display current road segment information manually controls train operation state.
As the further preferred of the utility model, the label model is by being at least stored with multiple electricity of label ID information
Sub- passive label (PST) composition, the label model includes speed limit passive label unit, test the speed passive label unit, in which:
Speed limit passive label unit: accelerate the division in section for conventional speed limit/operation；
Test the speed passive label unit: the locomotive velocity measuring for section of testing the speed.
As the further preferred of the utility model, the RFID identification module includes radio frequency antenna module (ANT), reads
Device (RFID), the radio frequency antenna module (ANT) are electrically connected with reader (RFID), in which:
Radio frequency antenna module (ANT): label model is activated for emitting and receiving radiofrequency signal, and by radiofrequency signal；
Reader (RFID): the radiofrequency signal content that antenna receives for identification is sent to logic after simple process
Judgement/communication module.
As the further preferred of the utility model, the Train Control module includes 24V power module, integrity of train
Module (VIM), the 24V power module (24VDC) are RFID identification module, logic judgment/communication module (PLC) power supply, institute
It states logic judgment/communication module (PLC) and integrity of train module (VIM) to be electrically connected, manual manipulation integrity of train module
(VIM) train driving state is controlled, sets that there are two RJ45 interfaces on the logic judgment/communication module (PLC), one of them connects
Mouth is electrically connected with FID identification module output end, another external computer of RJ45 interface.
It further include 24V power regulator (SVS), 24 power module as the further preferred of the utility model
(24VDC) is electrically connected by the input interface of air switch (QF1CB) and 24V power regulator (SVS), the 24V power supply
The output interface of voltage-stablizer (SVS) exports stable 24V voltage.
It further include indicator light (FL) as the further preferred of the utility model, the both ends difference of the indicator light (FL)
It is connect with the anode of the output interface of the signal output end of logic judgment/communication module (PLC) and 24V power regulator (SVS).
The utility model has the beneficial effects that the utility model precision is high, reading speed is fast, maintenance-free feature is strong, degree of redundancy
It is high；Itself having input voltage regulation function, overcurrent, overvoltage, overheat protector, reverse polarity protection is shorted the functions such as protection,
RJ45 interface possesses upgrading software, trouble hunting, the functions such as log downloading；The software of manual speed limit detection system, which has, to be read
It reads the identification of device data and exports judgement and the warning function of the logic judgment and faults itself of corresponding EOG signal.
Detailed description of the invention
Fig. 1 is the logical schematic of the utility model；
Fig. 2 is the signal transmission figure of the utility model；
Fig. 3 is the operation schematic diagram of the utility model；
Fig. 4 is the circuit diagram of the utility model.
Specific embodiment
The utility model is further described below in conjunction with specific preferred embodiment, but does not therefore limit this reality
With novel protection scope.
As shown in Figs 1-4, a kind of rail traffic speed-measurement device based on RFID wireless radio-frequency, including label model,
RFID identification module, logic judgment/communication module (PLC), Train Control module in the present embodiment, RFID identification module and are patrolled
Judgement/communication module (PLC) integrated installation is collected in metal cabinet, label model is mounted on train rail, metal cabinet peace
Mounted in the designated position of train, for receiving the label signal of label model sending, in which:
Label model: status information is sent for dividing train driving orbital region and current orbit；
RFID identification module: for reading track label information and being sent to logic judgment/communication module；
Logic judgment/communication module (PLC): current road segment information and judging that train should currently execute movement for identification,
It is sent to Train Control module；
Train Control module: display current road segment information manually controls train operation state.
In the present embodiment, label model is made of the multiple electronic passive labels (PST) for being at least stored with label ID information,
Label model includes speed limit passive label unit, test the speed passive label unit, in which:
Speed limit passive label unit: accelerate the division in section for conventional speed limit/operation；
Test the speed passive label unit: the locomotive velocity measuring for section of testing the speed.
In the present embodiment, RFID identification module includes radio frequency antenna module (ANT), reader (RFID), the radio frequency day
Wire module (ANT) is electrically connected with reader (RFID), in which:
Radio frequency antenna module (ANT): label model is activated for emitting and receiving radiofrequency signal, and by radiofrequency signal；
Reader (RFID): the radiofrequency signal content that antenna receives for identification is sent to logic after simple process
Judgement/communication module.
In the present embodiment, Train Control module includes 24V power module, integrity of train module (VIM), the 24V electricity
Source module (24VDC) is RFID identification module, logic judgment/communication module (PLC) power supply, the logic judgment/communication module
(PLC) it is electrically connected with integrity of train module (VIM), manual manipulation integrity of train module (VIM) controls train driving shape
State is set on the logic judgment/communication module (PLC) there are two RJ45 interface, and one of interface and FID identification module export
End is electrically connected, another external computer of RJ45 interface.
It further include 24V power regulator (SVS) in the present embodiment, 24 power module (24VDC) passes through air switch
(QF1CB) it is electrically connected with the input interface of 24V power regulator (SVS), the output of the 24V power regulator (SVS) connects
Mouth exports stable 24V voltage.
Further include indicator light (FL) in the present embodiment, the both ends of the indicator light (FL) respectively with logic judgment/communication mould
The anode connection of the output interface of the signal output end and 24V power regulator (SVS) of block (PLC).
Working principle of the utility model is:
Rail traffic speed-measurement device provides braking section under train manual mode and retaining segment is reminded, in train automatic running
In the state of, rail traffic speed-measurement device is in standby, no signal output；When train is switched to manual mode, device
Automatic running is connected with four between the signal output end and integrity of train module (VIM) of logic judgment/communication module (PLC)
Each EOG signal of a EOG signal transmission channel, output is 24V high level signal:
| Channel position | Signal type | Signal content | Duration |
| EOG1 | Digital quantity | Speed limit 30km/H | 10s |
| EOG2 | Digital quantity | Speed limit 50km/H | 10s |
| EOG3 | Digital quantity | Section without speed limit | 10s |
| EOG4 | Analog quantity | Present speed | 10s |
Speed limit: rail traffic speed-measurement device is used to assist executing the manual drive mode journey in the specific key area of route
Sequence, when train is located at speed restrictive block, rail traffic speed-measurement device can trigger train integrity module (VIM) and carry out speed limit；Or
Person is that emergency braking is triggered when train will reach line end or track switch is deviateed, and RFID identification module is used to identify train
It is restricted in speed limit region and by train speed in the speed limit value pre-defined；Or apply at line end urgent
Braking；
More specifically, system carries out the differentiation of each section, tag definition place on line, the position using RFID technology
For the boundary in manual speed limit region, it is installed in orbit, the reader (RFID) after train driving to the region, on train
Read the signal of label (PST), the signal be train enter speed-limit road section (such as: speed limit 30KM/H, 50KM/H, non-speed limit
Section) position signal, which is transmitted to PLC by reader (RFID), then is transmitted to VIM, and VIM can remind driver to do
Corresponding Train Control out, reader pass to PLC after reading the sequence of label, and PLC sets program in carry out logic and sentence
Disconnected, to export corresponding EOG signal to VIM, VIM is to make corresponding control, and in the present embodiment, every group of label is used
A speed limit section can be completed when reader (RFID) reads any one group of AB sequence and is transmitted to PLC in AABB formula redundancy
It identifies and issues restricting signal.
It tests the speed: testing the speed on track, uniform intervals arrange RFID label tag sequence, and the RFID label tag sequence is by least storing
It is made of multiple electronic passive labels (PST) of label ID information, and, on rail vehicle to be measured, installation RFID tests the speed
Device；By distance between the label of typing original in PLC and the time for reading label information, train is calculated according to S=V × T
Speed and record when by the speed measuring point export corresponding EOG signal to VIM, VIM and show current train speed.
The utility model precision is high, reading speed is fast, maintenance-free feature is strong, degree of redundancy is high；Itself has input voltage tune
Function, overcurrent, overvoltage, overheat protector are saved, reverse polarity protection is shorted the functions such as protection, and it is soft that RJ45 interface possesses upgrading
Part, trouble hunting, the functions such as log downloading；The software of manual speed limit detection system has reader data identification and output pair
The judgement of the logic judgment and faults itself of the EOG signal answered and warning function.
Although the utility model has been indicated and described referring to specific preferred embodiment, shall not be construed as to this
The limitation of utility model itself can under the premise of not departing from the spirit and scope of the utility model that appended claims define
Various combination variations are made on device form, in material, in details to it.
Claims (6)
1. a kind of rail traffic speed-measurement device based on RFID wireless radio-frequency, which is characterized in that including label model, RFID
Identification module, logic judgment/communication module PLC, Train Control module, the RFID identification module and logic judgment/communication mould
In metal cabinet, the label model is mounted on train rail block PLC integrated installation, and the metal cabinet is mounted on train
Designated position, for receive label model sending label signal, in which:
Label model: status information is sent for dividing train driving orbital region and current orbit；
RFID identification module: for reading track label information and being sent to logic judgment/communication module；
Logic judgment/communication module PLC: current road segment information and judge that train should currently execute movement for identification, be sent to
Train Control module；
Train Control module: display current road segment information manually controls train operation state.
2. a kind of rail traffic speed-measurement device based on RFID wireless radio-frequency according to claim 1, feature exist
In the label model is made of the multiple electronic passive label PST for being at least stored with label ID information, the label model packet
Include that speed limit passive label unit, test the speed passive label unit, in which:
Speed limit passive label unit: accelerate the division in section for conventional speed limit/operation；
Test the speed passive label unit: the locomotive velocity measuring for section of testing the speed.
3. a kind of rail traffic speed-measurement device based on RFID wireless radio-frequency according to claim 1, feature exist
In the RFID identification module includes radio frequency antenna module ANT, reader RFID, the radio frequency antenna module ANT and reader
RFID electrical connection, in which:
Radio frequency antenna module (ANT): label model is activated for emitting and receiving radiofrequency signal, and by radiofrequency signal；
Reader RFID: the radiofrequency signal content that antenna receives for identification is sent to logic judgment/logical after simple process
Believe module.
4. a kind of rail traffic speed-measurement device based on RFID wireless radio-frequency according to claim 1, feature exist
It include that 24V power module, integrity of train module VIM, the 24V power module 24VDC are in, the Train Control module
RFID identification module, logic judgment/communication module PLC power supply, the logic judgment/communication module PLC and integrity of train mould
Block VIM is electrically connected, and manual manipulation integrity of train module VIM controls train driving state, the logic judgment/communication module
It is set on PLC there are two RJ45 interface, one of interface and FID identification module output end are electrically connected, another RJ45 interface
External computer.
5. a kind of rail traffic speed-measurement device based on RFID wireless radio-frequency according to claim 4, feature exist
In further including 24V power regulator SVS, the 24V power module 24VDC passes through air switch QF1CB and the pressure stabilizing of 24V power supply
The input interface of device SVS is electrically connected, and the output interface of the 24V power regulator SVS exports stable 24V supply voltage.
6. a kind of rail traffic speed-measurement device based on RFID wireless radio-frequency according to claim 5, feature exist
In, further include indicator light FL, the both ends of the indicator light FL respectively with logic judgment/communication module PLC signal output end and
The anode connection of the output interface of 24V power regulator SVS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083002.8U CN209215409U (en) | 2018-12-12 | 2018-12-12 | A kind of rail traffic speed-measurement device based on RFID wireless radio-frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083002.8U CN209215409U (en) | 2018-12-12 | 2018-12-12 | A kind of rail traffic speed-measurement device based on RFID wireless radio-frequency |
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| CN209215409U true CN209215409U (en) | 2019-08-06 |
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| CN201822083002.8U Active CN209215409U (en) | 2018-12-12 | 2018-12-12 | A kind of rail traffic speed-measurement device based on RFID wireless radio-frequency |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112849215A (en) * | 2019-11-12 | 2021-05-28 | 株洲中车时代电气股份有限公司 | Active protection system and method for train debugging |
| CN113428193A (en) * | 2021-06-29 | 2021-09-24 | 通号城市轨道交通技术有限公司 | Method and device for processing station field diagram state based on RFID |
-
2018
- 2018-12-12 CN CN201822083002.8U patent/CN209215409U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112849215A (en) * | 2019-11-12 | 2021-05-28 | 株洲中车时代电气股份有限公司 | Active protection system and method for train debugging |
| CN113428193A (en) * | 2021-06-29 | 2021-09-24 | 通号城市轨道交通技术有限公司 | Method and device for processing station field diagram state based on RFID |
| CN113428193B (en) * | 2021-06-29 | 2023-10-20 | 通号城市轨道交通技术有限公司 | Method and device for processing station map state based on RFID |
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