CN109572749A - A kind of section axle counting system - Google Patents
A kind of section axle counting system Download PDFInfo
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- CN109572749A CN109572749A CN201811593009.2A CN201811593009A CN109572749A CN 109572749 A CN109572749 A CN 109572749A CN 201811593009 A CN201811593009 A CN 201811593009A CN 109572749 A CN109572749 A CN 109572749A
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- 238000004891 communication Methods 0.000 claims abstract description 100
- 230000003321 amplification Effects 0.000 claims description 20
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 20
- 238000012544 monitoring process Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 13
- 238000007493 shaping process Methods 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/16—Devices for counting axles; Devices for counting vehicles
- B61L1/167—Circuit details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/16—Devices for counting axles; Devices for counting vehicles
- B61L1/163—Detection devices
- B61L1/165—Electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/16—Devices for counting axles; Devices for counting vehicles
- B61L1/168—Specific transmission details
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention relates to railway signal technology fields, and in particular to a kind of section axle counting system.The system includes set on section axle-counting points for detecting the axle count sensor of train wheel, for handling axle count sensor signal and output interval occupies or the meter shaft host of idle signal, the interval orbit relay that connect with the meter shaft main-machine communication and the section zero reset button connecting with the meter shaft main-machine communication.Section axle counting system of the invention realizes section meter shaft by setting and the one-to-one amplifying unit of axle count sensor, counting unit and main control unit, guarantees the independence in section meter shaft channel and the accuracy of section meter shaft;It is that block equipment sends this section occupied or idle signal by interval orbit relay, this section occupied or idle signal is sent to interlock device by communication unit and communicated with adjacent station, communication stability and system compatibility are improved.
Description
Technical field
The present invention relates to railway signal technology fields, and in particular to a kind of section axle counting system.
Background technique
In rail transportation system, for the train occupation state for checking track section or switch section, track is generally used
Circuit mode.However, the area special in environment, since track circuit can not reliably carry out the inspection of section occupancy/free time,
Therefore, meter shaft technology is introduced, by using induction axle count sensor, is checked between two or more test points
Number of axle situation judges whether there is Che Zhanyong in section.
Section axis-counting device be for check between adjacent two stations occupy or idle state safety equipment, need for
Interlock device, block equipment and other signals system carry out data transmission;Need the structure in conjunction with 64D all-relay semi-automatic block system equipment
At axle-counting station auto-block system, occluded automatically after section, train completely reach with realizing automatic blocking, automaticly inspecting
It restores;Security information transmission device (semi-automatic application) hardware compatibility between also needing and stand;Further, it is also necessary to meet remote
It is five to six kilometers general because distance is farther compared with distance between section between station apart from real time communication, farther more than ten kilometers
To 20 kilometers, meanwhile, after interior communication interrupts, need quickly to reconnect, otherwise will affect system function leads to safety
Problem.
In consideration of it, overcoming the above defect in the prior art, providing the new section axle counting system of one kind becomes this field urgently
Technical problem to be solved.
Summary of the invention
It is an object of the invention in view of the above drawbacks of the prior art, provide a kind of section axle counting system.
The purpose of the present invention can be realized by technical measures below:
The present invention provides a kind of section axle counting system, which includes set on section axle-counting points for detecting train vehicle
The axle count sensor of wheel, meter shaft host and institute for handling axle count sensor signal and output interval occupancy or idle signal
The section zero reset button stating the interval orbit relay of meter shaft main-machine communication connection and being connect with the meter shaft main-machine communication;
The meter shaft host includes:
The signal amplification unit being arranged in a one-to-one correspondence with the axle count sensor;
The counting unit being arranged in a one-to-one correspondence with the signal amplification unit, the counting unit are believed according to axle count sensor
Number identification and calculates wheel count at current of traffic;
The main control unit being arranged in a one-to-one correspondence with the counting unit, the main control unit judge section according to wheel count
It occupies or idle, input-output unit is controlled according to judging result and drives the interval orbit relay, and wheel count is believed
Breath and section occupied or idle signal are sent to communication unit;
The input-output unit is for acquiring the interval orbit relay status signal and section zero reset button state
Signal, and the driving interval orbit relay;
The communication unit sends the wheel count information and section occupied or idle signal to adjacent station and receives
The signal that adjacent station is sent.
Preferably, the signal amplification unit includes:
The first amplifying circuit and the second amplifying circuit for sending magnetic head with two of axle count sensor respectively and connecting;
The first shaping circuit and the second shaping circuit being connect respectively with first amplifying circuit and the second amplifying circuit;
And
The first constant-current supply and the second constant-current supply being connect respectively with first amplifying circuit and the second amplifying circuit.
Preferably, the counting unit includes:
The two parallel counters connected respectively with the signal amplification unit;And
Two the first CAN bus communication modules being connect respectively with two counters;
Wherein, two counters according to axle count sensor signal identification current of traffic and calculate wheel count respectively,
It is communicated to connect between two counters.
Preferably, the main control unit includes:
Two the second CAN bus communication modules being connect respectively with the counting unit;And
The two parallel processors connected respectively with described two second CAN bus communication modules, two processors point
Section occupied or free time are not judged according to wheel count, communicated to connect between two processors.
Preferably, the main control unit further include:
Two I/O interface modules being separately connected with two processors;
And/or two third CAN bus communication modules being separately connected with two processors;
And/or for being zeroed out the resetting unit so that processor output idle signal to the processor.
Preferably, the input-output unit includes:
Input circuit, for acquiring the interval orbit relay status signal and section zero reset button status signal;
Output circuit, for driving the interval orbit relay.
Preferably, the zero reset button includes zero reset button and pre- zero reset button immediately;The input circuit includes four
Sub- Acquisition Circuit is respectively used to acquisition zero reset button status signal, pre- zero reset button status signal, interval orbit relay immediately
Status signal and section without a switch track relay and close to section track relay status signal;The output circuit includes
Two parallel driving circuits.
Preferably, the communication unit includes:
With two the 4th CAN bus communication modules of main control unit communication connection;
The processing module being all connected with two the 4th CAN bus communication modules;
Two the first serial communication interfaces being connect respectively with the processing module, for the communication unit with adjacent station
Communication.
Preferably, the meter shaft host further includes meter shaft cabinet, and the meter shaft cabinet includes:
With the monitoring unit of multiple main control units communication connection, failure and state for acquiring each main control unit are believed
Breath;
With the data feedback channel interface of the adjacent station communication connection of uplink;
With the down going channel interface of the adjacent station communication connection of downlink;
For what is powered for the counting unit, the main control unit, the input-output unit and the communication unit
Redundant power supply unit.
Preferably, the monitoring unit includes that the 5th CAN bus for communicating to connect with multiple main control units communicates mould
Block, the monitoring processor that is connect with the 5th CAN bus communication module and for being communicated to connect with microcomputer detecting system
It second serial communication interface, the remote alarm interface for being communicated to connect with acoustic-optic alarm and is used for and fault test set
The detection interface of connection;The monitoring processor acquires the failure and status information of each main control unit, by the failure and shape
State information feeds back to microcomputer detecting system, and controls acoustic-optic alarm when main control unit breaks down and sound an alarm;
And/or the redundant power supply unit includes two or more power modules, each power module includes four power supplys
Submodule, four power supply submodules are respectively the counting unit, the main control unit, the input-output unit and described logical
Believe unit power supply.
Section axle counting system of the invention by setting with the one-to-one amplifying unit of axle count sensor, counting unit and
Main control unit realizes section meter shaft, guarantees the independence in section meter shaft channel and the accuracy of section meter shaft;Pass through interval orbit
Relay is that block equipment sends this section occupied or idle signal, sends this section occupied to interlock device by communication unit
Or idle signal and communicated with adjacent station, improve communication stability and system compatibility.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the section axle counting system of the embodiment of the present invention.
Fig. 2 is the structural block diagram of meter shaft host in the section axle counting system of the embodiment of the present invention.
Fig. 3 is the structural block diagram of signal amplification unit in the section axle counting system of the embodiment of the present invention.
Fig. 4 is the structural block diagram of counting unit in the section axle counting system of the embodiment of the present invention.
Fig. 5 is the structural block diagram of main control unit in the section axle counting system of the embodiment of the present invention.
Fig. 6 is the structural block diagram of input-output unit in the section axle counting system of the embodiment of the present invention.
Fig. 7 is the structural block diagram of communication unit in the section axle counting system of the embodiment of the present invention.
Fig. 8 is the structural block diagram of meter shaft cabinet in the section axle counting system of the embodiment of the present invention.
Fig. 9 is the structural block diagram of monitoring unit in the section axle counting system of the embodiment of the present invention.
Figure 10 is the structural block diagram of redundant power supply unit in the section axle counting system of the embodiment of the present invention.
Figure 11 is the section axle counting system power supply the principle figure of the embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawing and specific implementation
Invention is further described in detail for example.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention,
It is not intended to limit the present invention.
In order to keep the narration of this disclosure more detailed with it is complete, below for embodiments of the present invention and specific real
It applies example and proposes illustrative description;But this not implements or uses the unique forms of the specific embodiment of the invention.Embodiment
In cover multiple specific embodiments feature and to construction with operate these specific embodiments method and step it is suitable with it
Sequence.However, can also reach identical or impartial function and sequence of steps using other specific embodiments.
Section axle counting system is used to check on the track between two adjacent stations with the presence or absence of train, is specifically to set
Set section axle-counting points (for example, at the home signal of station) axle count sensor be separation, by division of period orbit be one section one
The section of section, the orbital region formed between two section axle-counting points (two stations) are known as a section, section axle counting system
To enter our station wheel count with enter previous station wheel count be compared, when enter our station wheel count equal into
When entering the wheel count at previous station, determine that the section (section between our station and previous station) exists without train, i.e., section is empty
Spare time determines in the section when the wheel count for entering our station and the unequal wheel count for entering previous station with the presence of train,
That is the section occupied.
Fig. 1 shows the structural schematic diagram of the section axle counting system of the embodiment of the present invention, refering to Figure 1, the section
Axle counting system includes set on the axle count sensor 100 for detecting train wheel of section axle-counting points, for handling meter shaft sensing
100 signal of device and output interval occupy or the meter shaft host 200 of idle signal, the section with the meter shaft host 200 communication connection
Track relay 300 and the section zero reset button 400 communicated to connect with the meter shaft host 200.
Please refer to shown in Fig. 2, the meter shaft host 200 include: signal amplification unit 10, counting unit 20, main control unit 30,
Input-output unit 40 and communication unit 50.
Wherein, signal amplification unit 10 is arranged in a one-to-one correspondence with the axle count sensor 100, for axle count sensor 100
The wheel axis signal of acquisition carries out signal amplification and Shape correction to form axis pulse signal.
Wherein, counting unit 20 is arranged in a one-to-one correspondence with the signal amplification unit 10, and the counting unit 20 is according to axis pulse
Signal identification current of traffic simultaneously calculates wheel count (the also referred to as number of axle).
Wherein, main control unit 30 is arranged in a one-to-one correspondence with the counting unit 20, and the main control unit 30 is according to counting unit 20
The wheel count of transmission and the wheel count at a upper station judge section occupied or free time, control input and output according to judging result
Unit 40 drives the interval orbit relay 300, and the wheel count information and section occupied or sky that counting unit 20 is sent
Not busy signal is sent to communication unit 50.
Wherein, which is used to acquire 300 status signal of interval orbit relay and section return-to-zero is pressed
400 status signal of button, and the status signal of acquisition is sent to main control unit 30, which is also used to drive and be somebody's turn to do
Interval orbit relay 300, to send the occupancy or idle signal in this section to interlock.
Wherein, communication unit 50 sends our station wheel count information and section occupied or idle signal to adjacent station and connects
Receive the wheel count information signal at the adjacent station that adjacent station is sent.
In the present embodiment, there are two section axle-counting points for the section axle counting system setting at each station, are uplink side respectively
To section axle-counting points and down direction section axle-counting points, correspondingly, there are two axle count sensor is also provided with.Correspondingly, believe
Number amplifying unit, counting unit, main control unit, input-output unit and communication unit are also respectively arranged with up direction and downlink
Two sets of direction, two nested structures are similar.
In a preferred embodiment, in order to guarantee the accuracy of meter shaft, the same axle count sensor 100 is provided with two
A transmission magnetic head sends two-way axis signal, respectively the first axis signal and the second axis signal respectively, please refers to shown in Fig. 3, signal
Amplifying unit 10 includes: to send the first amplifying circuit 101 and second that magnetic head is connect with two of axle count sensor 100 respectively to put
Big circuit 102;The first shaping circuit 103 and second being connect respectively with first amplifying circuit 101 and the second amplifying circuit 102
Shaping circuit 104;The first constant-current supply 105 being connect respectively with first amplifying circuit 101 and the second amplifying circuit 102 and
Two constant-current supplies 106.First amplifying circuit 101 and the first shaping circuit 103 first axis signal is successively carried out signal amplification and
Signal shaping, exports first axle pulse signal, and the first constant-current source 105 is used to be the first amplifying circuit 101 and the first shaping circuit
103 power supplies.Second amplifying circuit 102 and the second shaping circuit 104 successively carries out signal amplification to the second axis signal and signal is whole
Shape, exports the second axis pulse signal, and the second constant-current source 106 is used to supply for the second amplifying circuit 102 and the second shaping circuit 104
Electricity.Signal amplification unit 10 and outdoor axle count sensor 100 (being set to section axle-counting points) correspond, i.e. a signal amplification
The axis information of one axle-counting points of unit 10 processing, guarantees the independence in each meter shaft channel.
In a preferred embodiment, it please refers to shown in Fig. 4, counting unit 20 takes two structures using two, the counting list
Member 20 includes: the two parallel counters 201 connected respectively with the signal amplification unit 10;Respectively with two counters
Two the first CAN bus communication modules 202 of 201 connections.Wherein, two counters 201 receive first axle pulse signal and
Second axis pulse signal, two counters 201 are respectively according to first axle pulse signal and the second axis pulse signal identification train fortune
Line direction simultaneously calculates wheel count, also, communicates to connect between two counters 201, and two counters 201 are by respective counting
Wheel count be compared, when two count results are identical, export wheel count respectively to main control unit 30;It is counted when two
When number result is not identical, fault-signal is exported, further, serial communication interface (figure can be passed through between two counters 201
Do not show) carry out data exchange.Counter 201 can be counting circuit, single-chip microcontroller, chip or central processing unit (CPU), for pair
Received axis pulse is counted.Counting unit 20 and signal amplification unit 10 correspond, i.e., at one counting unit 20
The axis pulse signal for managing a signal amplification unit 10 guarantees the independence in each meter shaft channel.
In a preferred embodiment, it please refers to shown in Fig. 5, main control unit 30 takes two structures using using two, the master
Controlling unit includes: two the second CAN bus connecting respectively with two the first CAN bus communication modules 202 of the counting unit
Communication module 301;The two parallel processors 302 connected respectively with this two the second CAN bus communication modules 301;With two
Two I/O interface modules 304 that a processor 302 is separately connected;Two the 3rd CAN being separately connected with two processors 302
Bus communication module 303;For being zeroed out the clearing list so that the processor 302 output idle signal to the processor 302
First (not shown), when staff clicks zero reset button 400, resetting unit is zeroed out processor 302.Two thirds
CAN bus communication module 303 communicates (monitoring unit 601) with monitoring device, introduces in greater detail below.
Two processors 302 judge area according to the wheel count that 20 two counters 201 of counting unit are sent respectively respectively
Between occupy or idle, communicated to connect between two processors 302, respective judging result is compared by two processors 302,
When two judging results are identical, respectively by two output of I/O interface module 304 occupancy or idle state signal, lead to respectively
Two the second CAN bus communication module 301 output wheel count information and occupancy or idle state signal are crossed to communication unit 50;
When two judging results are not identical, output fault-signal further can be by serially leading between two processors 302
Believe that interface (not shown) carries out data exchange.Further, processor 302 is comparison circuit, single-chip microcontroller, chip or central processing
Device.
Further, which further includes two RS422 interfaces being separately connected with two processors 302
(not shown), for sending section occupied or idle state signal to interlock device.
In a preferred embodiment, it please refers to shown in Fig. 6, which includes: 401 He of input circuit
Output circuit 402, wherein input circuit is 401 Acquisition Circuits, and output circuit 402 is driving circuit, and input circuit 401 is used for
Acquire the interval orbit relay status signal and section zero reset button status signal;Output circuit 402 is for driving the section
Track relay, to send section occupied or idle state signal to interlock by interval orbit relay.
Further, which includes zero reset button and pre- zero reset button immediately;The input circuit 401 includes four
Sub- Acquisition Circuit is respectively used to acquisition zero reset button status signal, pre- zero reset button status signal, interval orbit relay immediately
Status signal and section without a switch track relay and close to section track relay status signal;The output circuit 402 includes
Two parallel driving circuits, connect with interlock all the way, in addition all the way as spare.
In a preferred embodiment, it please refers to shown in Fig. 7, which includes: and the main control unit 30
Two the 4th CAN bus communication modules 501 of two the second CAN bus communication modules 301 communication connection;With two the 4th CAN
The processing module 502 that bus communication module 501 is all connected with;Two the first serial communications being connect respectively with the processing module 502
Interface 503, one of them first serial communication interface 503 is for the communication unit communication with adjacent station, another first string
Row communication interface 503 is used as spare interface.
The processing module 502 of the communication unit 50 by CAN receive main control unit 30 information go forward side by side row information coding;Again
By the information after coding by the first serial communication interface 503, for example, RS232 interface, sends to and face station.The communication unit 50
Processing module 502 by the first serial communication interface 503 reception face the information that station is transmitted go forward side by side row information decode;Pass through again
CAN sends decoded station information of facing to main control unit 30.
In a preferred embodiment, it please refers to shown in Fig. 8, which further includes meter shaft cabinet 60, the meter
Axis cabinet 60 includes: the monitoring unit 601 communicated to connect with uplink main control unit and downlink main control unit, for acquiring uplink
The failure and status information of main control unit and downlink main control unit;With the data feedback channel interface of the adjacent station communication connection of uplink
602;With the down going channel interface 603 of the adjacent station communication connection of downlink;And for for the counting unit, the main control unit,
The redundant power supply unit 604 of the input-output unit and communication unit power supply, there are two redundant power supply unit 604 is set, respectively
Corresponding uplink counting unit, the main control unit, the input-output unit and the communication unit and counts down unit, the master
Control unit, the input-output unit and the communication unit.
Wherein, monitoring unit 601 is communicated with the main control unit 30 at uplink station or downlink station by CAN, specifically
Ground, monitoring unit 601 are connect with the third CAN bus communication module 303 of upstream or downstream main control unit 30.Meter shaft cabinet 60 with
Upstream or downstream communication unit 50 is communicated by serial communication interface, specifically, the uplink communication interface of meter shaft cabinet 60
602 connect with the first serial communication interface 503 of uplink communication unit 50, and the information of the uplink main control unit 30 of our station is sent
To the adjacent station of uplink;Downlink communication interface 603 is connect with the first serial communication interface 503 of downlink communication unit 50, incite somebody to action this
The information for the downlink main control unit 30 stood is sent to the adjacent station of downlink.Specifically, data feedback channel interface 602 and down going channel connect
The interface board of mouth 603 can use cable interface plate, optical fiber interface plate and/or optical channel interface board.
Further, please refer to shown in Fig. 9, the monitoring unit 601 include for uplink main control unit 30 and downlink master
5th CAN bus communication module of the control communication connection of unit 30, the monitoring processing being connect with the 5th CAN bus communication module
Device and the second serial communication interface for communicating to connect with microcomputer detecting system are used for and acoustic-optic alarm communication link
The remote alarm interface connect, the detection interface for being connect with fault test set;The monitoring processor acquires each main control unit 30
Failure and status information, by the failure and status information feedback to microcomputer detecting system, and when main control unit breaks down
Control acoustic-optic alarm sounds an alarm.Further, monitoring unit further includes LED display, for showing monitoring information.
Further, it please refers to shown in Figure 10 and Figure 11, which includes two or more power supply moulds
Block, for Figure 10 by taking two power modules (double redundancy) as an example, each power module includes four power supply submodules, four power supply
Module is respectively the counting unit 10, the main control unit 20, the input-output unit 30 and the communication unit 40 power supply.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of section axle counting system, which is characterized in that the system includes set on section axle-counting points for detecting train wheel
Axle count sensor, for handle axle count sensor signal and output interval occupy or the meter shaft host of idle signal, with it is described
The interval orbit relay of meter shaft main-machine communication connection and the section zero reset button being connect with the meter shaft main-machine communication;Institute
Stating meter shaft host includes:
The signal amplification unit being arranged in a one-to-one correspondence with the axle count sensor;
The counting unit being arranged in a one-to-one correspondence with the signal amplification unit, the counting unit are known according to axle count sensor signal
Other current of traffic simultaneously calculates wheel count;
The main control unit being arranged in a one-to-one correspondence with the counting unit, the main control unit judge section occupied according to wheel count
Or it is idle, input-output unit is controlled according to judging result and drives the interval orbit relay, and by wheel count information and
Section occupied or idle signal are sent to communication unit;
The input-output unit is used to acquire the interval orbit relay status signal and section zero reset button status signal,
And the driving interval orbit relay;
The communication unit sends the wheel count information and section occupied or idle signal to adjacent station and receives adjacent
The signal that station is sent.
2. section axle counting system according to claim 1, which is characterized in that the signal amplification unit includes:
The first amplifying circuit and the second amplifying circuit for sending magnetic head with two of axle count sensor respectively and connecting;
The first shaping circuit and the second shaping circuit being connect respectively with first amplifying circuit and the second amplifying circuit;And
The first constant-current supply and the second constant-current supply being connect respectively with first amplifying circuit and the second amplifying circuit.
3. section axle counting system according to claim 1, which is characterized in that the counting unit includes:
The two parallel counters connected respectively with the signal amplification unit;And
Two the first CAN bus communication modules being connect respectively with two counters;
Wherein, two counters according to axle count sensor signal identification current of traffic and calculate wheel count respectively, and two
It is communicated to connect between counter.
4. section axle counting system according to claim 1, which is characterized in that the main control unit includes:
Two the second CAN bus communication modules being connect respectively with the counting unit;And
The two parallel processors connected respectively with described two second CAN bus communication modules, two processors distinguish roots
Section occupied or free time are judged according to wheel count, are communicated to connect between two processors.
5. section axle counting system according to claim 4, which is characterized in that the main control unit further include:
Two I/O interface modules being separately connected with two processors;
And/or two third CAN bus communication modules being separately connected with two processors;
And/or for being zeroed out the resetting unit so that processor output idle signal to the processor.
6. section axle counting system according to claim 1, which is characterized in that the input-output unit includes:
Input circuit, for acquiring the interval orbit relay status signal and section zero reset button status signal;
Output circuit, for driving the interval orbit relay.
7. section axle counting system according to claim 6, which is characterized in that the zero reset button includes zero reset button immediately
With pre- zero reset button;The input circuit include four sub- Acquisition Circuits, be respectively used to acquisition immediately zero reset button status signal,
Pre- zero reset button status signal, interval orbit relay status signal and section without a switch track relay and close to section rail
Road relay status signal;The output circuit includes two parallel driving circuits.
8. section axle counting system according to claim 1, which is characterized in that the communication unit includes:
With two the 4th CAN bus communication modules of main control unit communication connection;
The processing module being all connected with two the 4th CAN bus communication modules;
Two the first serial communication interfaces being connect respectively with the processing module, for logical with the communication unit at adjacent station
Letter.
9. section axle counting system according to claim 1, which is characterized in that the meter shaft host further includes meter shaft cabinet,
The meter shaft cabinet includes:
The monitoring unit communicated to connect with multiple main control units, for acquiring the failure and status information of each main control unit;
With the data feedback channel interface of the adjacent station communication connection of uplink;
With the down going channel interface of the adjacent station communication connection of downlink;
Redundancy for powering for the counting unit, the main control unit, the input-output unit and the communication unit
Power supply unit.
10. section axle counting system according to claim 9, which is characterized in that the monitoring unit include for it is multiple
5th CAN bus communication module of main control unit communication connection, the monitoring processing being connect with the 5th CAN bus communication module
Device and the second serial communication interface for communicating to connect with microcomputer detecting system are used for and acoustic-optic alarm communication link
The remote alarm interface connect and the detection interface for being connect with fault test set;The monitoring processor acquires each master control
The failure and status information of unit occur by the failure and status information feedback to microcomputer detecting system, and in main control unit
Acoustic-optic alarm is controlled when failure to sound an alarm;
And/or the redundant power supply unit includes two or more power modules, each power module includes four power supply submodules
Block, four power supply submodules are respectively the counting unit, the main control unit, the input-output unit and the communication unit
Member power supply.
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CN201811593009.2A CN109572749A (en) | 2018-12-25 | 2018-12-25 | A kind of section axle counting system |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110281976A (en) * | 2019-06-17 | 2019-09-27 | 深圳科安达电子科技股份有限公司 | A kind of axle counting system |
CN110281977A (en) * | 2019-06-17 | 2019-09-27 | 深圳科安达电子科技股份有限公司 | A kind of axis-counting device |
CN110611539A (en) * | 2019-09-05 | 2019-12-24 | 深圳科安达电子科技股份有限公司 | Signal interference preventing railway inter-station information safety transmission system and method |
CN110936981A (en) * | 2019-11-29 | 2020-03-31 | 卡斯柯信号有限公司 | Method for setting junctor axle counting point of urban rail transit signal system |
CN111806514A (en) * | 2020-07-23 | 2020-10-23 | 四川瑞云信通科技有限公司 | Route type axle counting integration system and method |
CN112572543A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Mobile block interlocking system based on micro positioning switch |
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CN110281976A (en) * | 2019-06-17 | 2019-09-27 | 深圳科安达电子科技股份有限公司 | A kind of axle counting system |
CN110281977A (en) * | 2019-06-17 | 2019-09-27 | 深圳科安达电子科技股份有限公司 | A kind of axis-counting device |
CN110281977B (en) * | 2019-06-17 | 2021-08-24 | 深圳科安达电子科技股份有限公司 | Axle counting equipment |
CN110281976B (en) * | 2019-06-17 | 2021-08-24 | 深圳科安达电子科技股份有限公司 | Axle counting system |
CN110611539A (en) * | 2019-09-05 | 2019-12-24 | 深圳科安达电子科技股份有限公司 | Signal interference preventing railway inter-station information safety transmission system and method |
CN112572543A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Mobile block interlocking system based on micro positioning switch |
CN112572543B (en) * | 2019-09-30 | 2022-04-15 | 比亚迪股份有限公司 | Mobile block interlocking system based on micro positioning switch |
CN110936981A (en) * | 2019-11-29 | 2020-03-31 | 卡斯柯信号有限公司 | Method for setting junctor axle counting point of urban rail transit signal system |
CN111806514A (en) * | 2020-07-23 | 2020-10-23 | 四川瑞云信通科技有限公司 | Route type axle counting integration system and method |
CN111806514B (en) * | 2020-07-23 | 2021-06-29 | 四川瑞云信通科技有限公司 | Route type axle counting integration system and method |
CN112678029A (en) * | 2021-03-18 | 2021-04-20 | 卡斯柯信号(北京)有限公司 | Full electronic inter-station contact execution module circuit |
CN112678029B (en) * | 2021-03-18 | 2021-06-15 | 卡斯柯信号(北京)有限公司 | Full electronic inter-station contact execution module circuit |
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