CN106143539B - Tramcar track switch section based on loop coil takes inspection system and method - Google Patents
Tramcar track switch section based on loop coil takes inspection system and method Download PDFInfo
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- CN106143539B CN106143539B CN201610528943.0A CN201610528943A CN106143539B CN 106143539 B CN106143539 B CN 106143539B CN 201610528943 A CN201610528943 A CN 201610528943A CN 106143539 B CN106143539 B CN 106143539B
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- 238000007689 inspection Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 43
- 238000001514 detection method Methods 0.000 claims abstract description 122
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 claims description 181
- 210000004744 fore-foot Anatomy 0.000 claims description 71
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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
- B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
- B61L25/023—Determination of driving direction of vehicle or vehicle train
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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 vehicle train, e.g. pedals
- B61L1/02—Electric devices associated with track, e.g. rail contacts
- B61L1/025—Electric devices associated with track, e.g. rail contacts actuated by variation of resistance or by piezoelectricity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
- B61L25/028—Determination of vehicle position and orientation within a train consist, e.g. serialisation
Abstract
The invention discloses a kind of tramcar track switch section based on loop coil to take inspection system, and it includes：It is arranged on loop coil, the vehicle detection module being arranged on beside track, the logical operation main frame in street railway center, loop coil is connected with the vehicle detection module by feeder line, form wagon detector, wagon detector detection tramcar whether by with pass through direction, vehicle detection module is connected with logical operation main frame by on-scene communication bus, logical operation main frame carries out logical operation according to the train that vehicle detection module gathers by information, the occupancy of comprehensive descision switch section and goes out clear state.Present system using flexible, safe and reliable, cost is relatively low；Ensure that switch section electric car drives safely by logic judgment, lift tramcar efficiency of operation；Any logical condition misjudgment, it can ensure ALU failure to the safe side state.
Description
Technical field
Driven safely system regions the present invention relates to tramcar track switch section, and in particular to a kind of based on loop coil
Tramcar track switch section takes inspection system and method.
Background technology
In order to ensure tramcar in the safe for operation of switch section, need to be set reliably in trouble forefoot area and trouble rear region
Train position detection equipment judges that switch section route answers no unblock with reality to detect switch section and whether take and go out clear situation
Existing train safety, orderly pass through track switch.Conventional detection device have GPS/ big-dipper satellites, special track circuit, wheel counting apparatus,
Beacon and inductance loop etc..But in different environment, above detection device will show the shortcomings that its is corresponding, for example, in week
The more place of obstacle is enclosed, GPS/ big-dipper satellites will be influenceed by different degree, or even can not position, while to defending
The failure of star is very sensitive；Track circuit needs for track to be divided into different sections, and cannot be guaranteed higher precision；Meter shaft
Equipment need to be arranged on guide rail, do not possess applicability for part tramcar；It is higher to reach for beacon detection mode
Precision, then largely to set, this will increase system investments；And there is also anti-interference ability is poor, signal transmission is deposited for inductance loop
The dead band and big signal fluctuation the shortcomings that.
And annular coil vehicle detection technique is because it has stable service behaviour, good anti-interference in urban transportation
Ability, higher accuracy of detection and suitable cost performance and be widely used.Therefore, tied in the implementation of tramcar Practical Project
The inspection that loop coil vehicle testing techniques are reasonably applied to tramcar track switch region by engineering demand and engineering-environment is closed,
Can reach efficiently, reliably and securely Checking on effect.
The content of the invention
It is an object of the invention to overcome problem above existing for prior art, there is provided a kind of rail based on loop coil
The inspection system and its method of electric car switch section seizure condition, inspection system of the invention is easily achieved, security performance is high, energy
Enough guarantee is provided for safe efficient operation of the tramcar in switch section.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions：
A kind of tramcar track switch section based on loop coil takes inspection system, and it includes：It is arranged on tramcar
The loop coil in circuit center, the vehicle detection module being arranged on beside track, logical operation main frame, the loop coil and institute
State vehicle detection module to connect by feeder line, form wagon detector, whether the wagon detector detection tramcar passes through
It is connected with by direction, the vehicle detection module with the logical operation main frame by on-scene communication bus, the logic fortune
Calculate main frame and logical operation is carried out by information according to the train that the vehicle detection module gathers, comprehensive descision switch section accounts for
With with go out clear state,
Switch section is divided into straight stock region, trouble palintrope stock region after trouble forefoot area, trouble, and detection is set in the trouble forefoot area
Point J1, the test point J1 are provided with loop coil J1-HXXQ1 and loop coil J1-HXXQ2, the loop coil J1-
HXXQ1 be arranged on it is described trouble forefoot area porch, the loop coil J1-HXXQ2 be arranged on it is described trouble forefoot area in and from
The distance of the loop coil J1-HXXQ1 is D；
After the trouble straight stock region set be provided with test point J2, the test point J2 loop coil J2-HXXQ1 and
Loop coil J2-HXXQ2, the loop coil J2-HXXQ1 are arranged on the end in straight stock region after the trouble, the annular
Coil J2-HXXQ2 is arranged on after the trouble in straight stock region and from being D with a distance from the loop coil J2-HXXQ1；
Set in the trouble palintrope stock region be provided with test point J3, the test point J3 loop coil J3-HXXQ1 and
Loop coil J3-HXXQ2, the loop coil J3-HXXQ1 are arranged on the end in the trouble palintrope stock region, the annular
Coil J3-HXXQ2 is arranged in the trouble palintrope stock region and from being D with a distance from the loop coil J3-HXXQ1；
Distance D length value tramcar block length half between 3/4ths.
It is further preferred that a kind of tramcar track switch section takes inspection method, comprise the following steps：
S1：Tramcar passes through loop coil region, and the inductance value for detecting loop coil in circuit changes so that inspection
Frequency of oscillation in slowdown monitoring circuit changes, and vehicle detection module is confirmed whether there is vehicle by detecting the change of frequency of oscillation
By loop coil region；
S2：Vehicle is determined whether behind loop coil region, vehicle detection module crosses detection by detecting vehicle
The sequencings of two loop coils judges the traffic direction of tramcar in point J1, J2, J3；
S3：Testing result is transmitted to logical operation main frame, logical operation master by vehicle detection module by on-scene communication bus
Machine comprehensive detection point J1, J2, J3 testing result carry out logical operation, judge the occupancy of switch section and go out clear state.
It is further preferred that judging the method for the traffic direction of tramcar in S2 at test point J1 includes：
S101：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in toroid
J1-HXXQ1 is enclosed, while is pressed into loop coil J1-HXXQ1 and loop coil J1-HXXQ2, sails out of loop coil J1-HXXQ1, list
Solely press-in loop coil J1-HXXQ2, sails out of loop coil J1-HXXQ2, shows that tramcar crosses J1 test points, traffic direction
For " to driving into switch section to trouble forefoot area "；
S102：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in toroid
J1-HXXQ2 is enclosed, while is pressed into loop coil J1-HXXQ2 and J1-HXXQ1, loop coil J1-HXXQ2 is sailed out of, is individually pressed into ring
Shape coil J1-HXXQ1, sails out of loop coil J1-HXXQ1, shows that tramcar crosses J1 test points, traffic direction is " forward
Trouble forefoot area sails out of switch section " direction；
S103:If vehicle detection module detects that tramcar is pressed into not in accordance with the order in S101 or S102, therefore
Barrier prompting.
It is further preferred that judging the method for the traffic direction of tramcar in S2 at test point J2 includes：
S201：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in toroid
J2-HXXQ2 is enclosed, while is pressed into loop coil J2-HXXQ2 and J2-HXXQ1, sails out of loop coil J2-HXXQ2, individually press-in
J2-HXXQ1, loop coil J2-HXXQ1 is sailed out of, show that tramcar crosses J2 test points, traffic direction is " to straight after trouble
Switch section is sailed out of in stock region "；
S202：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in toroid
J2-HXXQ1 is enclosed, while is pressed into loop coil J2-HXXQ1 and J2-HXXQ2, sails out of loop coil J2-HXXQ1, individually press-in
J2-HXXQ2, loop coil J2-HXXQ2 is sailed out of, show that tramcar crosses J2 test points, traffic direction is " after forward branching off directly
Switch section is driven into stock region "；
S203：If vehicle detection module detects that tramcar is pressed into not in accordance with the order in S201 or S202, therefore
Barrier prompting.
It is further preferred that judging the method for the traffic direction of tramcar in S2 at test point J3 includes：
S301：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in toroid
J3-HXXQ2 is enclosed, while is pressed into loop coil J3-HXXQ2 and J3-HXXQ1, loop coil J3-HXXQ2 is sailed out of, is individually pressed into ring
Shape coil J3-HXXQ1, sails out of loop coil J3-HXXQ1, shows that tramcar crosses J3 test points, traffic direction for " to
Switch section is sailed out of in trouble palintrope stock region "；
S302：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in toroid
J3-HXXQ1 is enclosed, while is pressed into loop coil J3-HXXQ1 and J3-HXXQ2, loop coil J3-HXXQ1 is sailed out of, is individually pressed into ring
Shape coil J3-HXXQ2, sails out of loop coil J2-HXXQ2, shows that tramcar passes through J3 test points, traffic direction is " forward
Switch section is driven into trouble palintrope stock region "；
S303：If vehicle detection module detects that tramcar is pressed into not in accordance with the order in S301 or S302, therefore
Barrier prompting.
It is further preferred that logical operation main frame carries out logical operation according to test point J1 and J2 testing result in S3,
Judge the occupancy of switch section and go out clear state, including：
S401：Tramcar drives into from trouble forefoot area, and switch section, in the process, position are sailed out of in straight stock region after trouble
In vehicle detection module corresponding to test point J1 detected train by, and current of traffic for " to trouble forefoot area sail
Enter switch section ", while corresponding test point J1 vehicle detection module sends testing result to logic by fieldbus and transported
Calculate main frame；
S402：Vehicle detection module after trouble in straight stock region detection point J2 has detected that train passes through and the fortune of train
Line direction is " to sailing out of switch section to straight stock region after trouble ", while vehicle detection module corresponding to test point J2 will be detected and tied
Fruit sends logical operation main frame to by fieldbus；
S403：After logical operation main frame successively receives test point J1 and test point J2 testing result, sentence through logic
Have no progeny, confirm tramcar from " to driving into switch section to trouble forefoot area " to " to sailing out of switch area to straight stock region after trouble
Section ", show that tramcar drives into from trouble forefoot area, switch section is sailed out of in straight stock region after trouble, and switch section goes out clearly.
It is further preferred that logical operation main frame carries out logical operation according to test point J1 and J3 testing result in S3,
Judge the occupancy of switch section and go out clear state, including：
S501：Tramcar is driven into from trouble forefoot area, and switch section, in the process, position are sailed out of from trouble palintrope stock region
Vehicle detection module in the test point J1 of trouble forefoot area has detected train by the way that and current of traffic is " to trouble
Forefoot area drives into switch section ", while the vehicle detection module in test point J1 sends testing result by fieldbus to
Logical operation main frame；
S502：:Test point J3 in trouble palintrope stock region corresponds to vehicle detection module and has detected that train passes through and train
Traffic direction be " to sailing out of switch section to trouble palintrope stock region ", while corresponding test point J3 vehicle detection module will be examined
Survey result and logical operation main frame is sent to by fieldbus；
S503：After logical operation main frame successively receives test point J1 and test point J3 testing result, sentence through logic
Have no progeny, confirm tramcar from " to driving into switch section to trouble forefoot area " to " to sailing out of switch area to trouble palintrope stock region
Section ", shows that tramcar drives into before trouble, sails out of switch section from trouble palintrope stock, switch section goes out clearly.
It is further preferred that logical operation main frame carries out logical operation according to test point J1 and J2 testing result in S3,
Judge the occupancy of switch section and go out clear state, including：
S601：Tramcar straight stock region after trouble is driven into, and switch section, in the process, position are sailed out of from trouble forefoot area
Vehicle detection module corresponding to the test point J2 in straight stock region has detected train by the way that and current of traffic is after the trouble
" switch section is driven into straight stock region after forward branching off ", while corresponding test point J2 vehicle detection module passes through testing result now
Field bus sends logical operation main frame to；
S602：Test point J1 corresponds to vehicle detection module and has detected that train passes through and the operation of train in trouble forefoot area
Direction is " forefoot area of forward branching off sails out of switch section ", while corresponding test point J1 vehicle detection module passes through testing result
Fieldbus sends logical operation main frame to；
S603：After logical operation main frame successively receives test point J2 and test point J1 testing result, sentence through logic
Have no progeny, confirm tramcar from " switch section is driven into straight stock region after forward branching off " to " forefoot area of forward branching off sails out of switch area
Section ", shows that tramcar straight stock region after trouble is driven into, and sails out of switch section from trouble forefoot area, switch section goes out clearly.
It is further preferred that logical operation main frame carries out logical operation according to test point J1 and J3 testing result in S3,
Judge the occupancy of switch section and go out clear state, including：
S701：Tramcar is driven into from trouble palintrope stock region, and switch section, in the process, position are sailed out of from trouble forefoot area
Vehicle detection module corresponding to test point J3 in trouble palintrope stock region has detected train by the way that and current of traffic is
" forward switch section is driven into trouble palintrope stock region ", while corresponding test point J3 vehicle detection module passes through testing result now
Field bus sends logical operation main frame to；
S702：Test point J1 in trouble forefoot area corresponds to vehicle detection module and has detected that train passes through and the fortune of train
Line direction is " forefoot area of forward branching off sails out of switch section ", while corresponding test point J1 vehicle detection module leads to testing result
Cross fieldbus and send logical operation main frame to；
S703：After logical operation main frame successively receives test point J3 and test point J1 testing result, sentence through logic
Have no progeny, confirm tramcar from " forward switch section is driven into trouble palintrope stock region " to " forefoot area of forward branching off sails out of switch area
Section ", shows that tramcar drives into from trouble palintrope stock region, sails out of switch section from trouble forefoot area, switch section goes out clearly.
The beneficial effects of the invention are as follows:
The tramcar track switch section seizure condition inspection system using flexible based on loop coil, the safety of the present invention can
Lean on, cost it is relatively low, the present invention use loop coil vehicle testing techniques, and straight stock after switch section is divided into trouble forefoot area, branched off
Region and trouble palintrope stock region, reasonable Arrangement check equipment test point, ensure switch section electric car security row by logic judgment
Sail, lift tramcar efficiency of operation；And in the inspection method of the present invention, any logical condition misjudgment, it can protect
Demonstrate,prove ALU failure to the safe side state.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
The embodiment of the present invention is shown in detail by following examples and its accompanying drawing.
Brief description of the drawings
Technical scheme in technology in order to illustrate the embodiments of the present invention more clearly, in being described below to embodiment technology
The required accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present invention
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the schematic diagram of present system；
Fig. 2 is the inventive method flow chart.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment 1
A kind of tramcar track switch section based on loop coil is disclosed shown in reference picture 1, in the present embodiment and takes shape
State inspection system, system mainly include：Be arranged in street railway center loop coil (J1-HXXQ1/J1-HXXQ2,
J2-HXXQ1/J2-HXXQ2, J3-HXXQ1/J3-HXXQ2) and it is arranged in the vehicle detection module DET (DET1/DET2/ of trackside
DET3), logical operation main frame N three parts.Loop coil (J1-HXXQ1/J1-HXXQ2, J2- on the line is set
HXXQ1/J2-HXXQ2, J3-HXXQ1/J3-HXXQ2) with vehicle detection module DET (DET1/DET2/DET3) pass through feeder line phase
Connection, forms wagon detector, and whether the detector can accurately detect tramcar by and by the information such as direction.Logic is transported
Calculate the information that main frame N passes through according to vehicle detection module DET (DET1/DET2/DET3) trains collected and carry out logical operation,
Comprehensive descision switch section C occupancy and go out clear state.Vehicle detection module DET (DET1/DET2/DET3) and logical operation master
It is connected between machine N by on-scene communication bus and transmits information.
In said system, the arrangement of loop coil is：
Switch section is divided into straight stock region B after trouble forefoot area A, troubleⅡWith trouble palintrope stock region BⅢ, set in above-mentioned trouble forefoot area
Put test point J1, above-mentioned test point J1 and be provided with loop coil J1-HXXQ1 and loop coil J1-HXXQ2, above-mentioned loop coil
J1-HXXQ1 is arranged on the porch of above-mentioned trouble forefoot area, above-mentioned loop coil J1-HXXQ2 be arranged in above-mentioned trouble forefoot area and
From being D with a distance from above-mentioned loop coil J1-HXXQ1.
After above-mentioned trouble straight stock region set be provided with test point J2, above-mentioned test point J2 loop coil J2-HXXQ1 and
Loop coil J2-HXXQ2, above-mentioned loop coil J2-HXXQ1 are arranged on the end in straight stock region after above-mentioned trouble, above-mentioned annular
Coil J2-HXXQ2 is arranged on after above-mentioned trouble in straight stock region and from being D with a distance from above-mentioned loop coil J2-HXXQ1.
Set in above-mentioned trouble palintrope stock region be provided with test point J3, above-mentioned test point J3 loop coil J3-HXXQ1 and
Loop coil J3-HXXQ2, above-mentioned loop coil J3-HXXQ1 are arranged on the end in above-mentioned trouble palintrope stock region, above-mentioned annular
Coil J3-HXXQ2 is arranged in above-mentioned trouble palintrope stock region and from being D with a distance from above-mentioned loop coil J3-HXXQ1.
The loop wire coil of all test points is all disposed within the center of tramcar two rail out of shape.According to track switch
Half of the distance between section C length, two loop coils of the test point D length value in tramcar block length
Adjusted between to 3/4ths.
The operation principle of the tramcar track switch section seizure condition inspection system based on loop coil in embodiment 1：
Two loop coils of test point collectively constitute detection circuit with corresponding vehicle detection module, and the detection circuit belongs to LC vibrations
Circuit, wherein inductance value depend primarily on loop coil, when tramcar will cause to detect in circuit by loop coil region
The change of loop coil inductance value and cause frequency of oscillation change, and vehicle detection module by detect LC shake loop in
The change of frequency is confirmed whether to have the vehicle pass through loop coil region, while crosses two loop coils by detecting vehicle
Sequencing judges the traffic direction of tramcar.
Embodiment 2
Embodiment 2 as shown in Figure 2, is disclosed a kind of tramcar track switch section and taken based on the system in embodiment 1
Inspection method, comprise the following steps：
S1：Tramcar passes through loop coil region, and the inductance value for detecting loop coil in circuit changes so that inspection
Frequency of oscillation in slowdown monitoring circuit changes, and vehicle detection module is confirmed whether there is vehicle by detecting the change of frequency of oscillation
By loop coil region；
S2：Vehicle is determined whether behind loop coil region, vehicle detection module crosses detection by detecting vehicle
The sequencings of two loop coils judges the traffic direction of tramcar in point J1, J2, J3；
S3：Testing result is transmitted to logical operation main frame, logical operation master by vehicle detection module by on-scene communication bus
Machine comprehensive detection point J1, J2, J3 testing result carry out logical operation, judge the occupancy of switch section and go out clear state.
Wherein, judge that the method detailed in direction is as follows in step s 2：
(1) judging the method for the traffic direction of tramcar in S2 at test point J1 includes：
S101：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in toroid
J1-HXXQ1 is enclosed, while is pressed into loop coil J1-HXXQ1 and loop coil J1-HXXQ2, sails out of loop coil J1-HXXQ1, list
Solely press-in loop coil J1-HXXQ2, sails out of loop coil J1-HXXQ2, shows that tramcar crosses J1 test points, traffic direction
For " to driving into switch section to trouble forefoot area "；
S102：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in toroid
J1-HXXQ2 is enclosed, while is pressed into loop coil J1-HXXQ2 and J1-HXXQ1, loop coil J1-HXXQ2 is sailed out of, is individually pressed into ring
Shape coil J1-HXXQ1, sails out of loop coil J1-HXXQ1, shows that tramcar crosses J1 test points, traffic direction is " forward
Trouble forefoot area sails out of switch section " direction；
S103:If vehicle detection module detects that tramcar is pressed into not in accordance with the order in S101 or S102, therefore
Barrier prompting.
(2) judging the method for the traffic direction of tramcar in S2 at test point J2 includes：
S201：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in toroid
J2-HXXQ2 is enclosed, while is pressed into loop coil J2-HXXQ2 and J2-HXXQ1, sails out of loop coil J2-HXXQ2, individually press-in
J2-HXXQ1, loop coil J2-HXXQ1 is sailed out of, show that tramcar crosses J2 test points, traffic direction is " to straight after trouble
Switch section is sailed out of in stock region "；
S202：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in toroid
J2-HXXQ1 is enclosed, while is pressed into loop coil J2-HXXQ1 and J2-HXXQ2, sails out of loop coil J2-HXXQ1, individually press-in
J2-HXXQ2, loop coil J2-HXXQ2 is sailed out of, show that tramcar crosses J2 test points, traffic direction is " after forward branching off directly
Switch section is driven into stock region "；
S203：If vehicle detection module detects that tramcar is pressed into not in accordance with the order in S201 or S202, therefore
Barrier prompting.
(3) judging the method for the traffic direction of tramcar in S2 at test point J3 includes：
S301：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in toroid
J3-HXXQ2 is enclosed, while is pressed into loop coil J3-HXXQ2 and J3-HXXQ1, loop coil J3-HXXQ2 is sailed out of, is individually pressed into ring
Shape coil J3-HXXQ1, sails out of loop coil J3-HXXQ1, shows that tramcar crosses J3 test points, traffic direction for " to
Switch section is sailed out of in trouble palintrope stock region "；
S302：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in toroid
J3-HXXQ1 is enclosed, while is pressed into loop coil J3-HXXQ1 and J3-HXXQ2, loop coil J3-HXXQ1 is sailed out of, is individually pressed into ring
Shape coil J3-HXXQ2, sails out of loop coil J2-HXXQ2, shows that tramcar passes through J3 test points, traffic direction is " forward
Switch section is driven into trouble palintrope stock region "；
S303：If vehicle detection module detects that tramcar is pressed into not in accordance with the order in S301 or S302, therefore
Barrier prompting.
Testing result is transmitted to logical operation main frame by vehicle detection module DET (DET1/DET2/DET3) by fieldbus
N, logical operation main frame N synthesis J1, J2, J3 test point testing result carry out logical operation, judge switch section C occupancy and
Go out clear state, specific logical method is as follows：
1st, tramcar drives into from trouble forefoot area A, the straight stock region B after troubleⅡSail out of switch section C.In the process, position
Corresponding to test point J1 before trouble vehicle detection module detection DET1 to have train by, and current of traffic be " to
Trouble forefoot area drives into switch section ", while testing result is passed through scene always by corresponding test point J1 vehicle detection module DET1
Line sends logical operation main frame N to；Straight stock test point J2 corresponds to vehicle detection module DET2 and has detected that train leads to after trouble
Cross, and the traffic direction of train is " to sailing out of switch section to straight stock region after trouble ", while corresponding test point J2 vehicle is examined
Survey module DET2 and testing result is sent to logical operation main frame N by fieldbus；When logical operation main frame N is successively received
After test point J1 and test point J2 testing result, after logic judgment, confirm tramcar from " to being driven into trouble forefoot area
Trouble section " shows that tramcar drives into before trouble, straight stock sails out of after trouble to " to sailing out of switch section to straight stock region after trouble "
Switch section C, switch section C go out clearly.
2nd, tramcar drives into from trouble forefoot area A, from trouble palintrope stock region BⅢSail out of switch section C.In the process, position
Vehicle detection module DET1 corresponding to test point J1 before trouble detected train by, and current of traffic for " to
Trouble forefoot area drives into switch section ", while testing result is passed through scene always by corresponding test point J1 vehicle detection module DET1
Line sends logical operation main frame N to；Detect that train leads to until trouble palintrope stock test point J3 corresponds to vehicle detection module DET3
Cross, and the traffic direction of train is " to sailing out of switch section to trouble palintrope stock region ", while corresponding test point J3 vehicle is examined
Survey module DET3 and testing result is sent to logical operation main frame N by fieldbus；When logical operation main frame N is successively received
After test point J1 and test point J3 testing result, after logic judgment, confirm tramcar from " to being driven into trouble forefoot area
Trouble section " shows that tramcar drives into before trouble, sailed out of from trouble palintrope stock to " to sailing out of switch section to trouble palintrope stock region "
Switch section C, switch section C go out clearly.
3rd, tramcar straight stock region B after troubleⅡDrive into, switch section C is sailed out of from trouble forefoot area A.In the process, position
The straight stock region B after troubleⅡTest point J2 corresponding to vehicle detection module DET2 detected that train passes through and train operation side
To for " switch section is driven into straight stock region after forward branching off ", while corresponding test point J2 vehicle detection module DET2 will be detected and tied
Fruit sends logical operation main frame N to by fieldbus；Test point J1 corresponds to vehicle detection module DET1 and detected before trouble
There is train by the way that and the traffic direction of train is " forward branch off forefoot area sail out of switch section ", while corresponding test point J1 car
Detection module DET1 sends testing result to logical operation main frame N by fieldbus；When logical operation main frame N is first followed by
After the testing result for receiving test point J2 and test point J1, after logic judgment, confirm tramcar from " forward Cha Houzhigu areas
Switch section is driven into domain " to " forefoot area of forward branching off sails out of switch section ", show tramcar straight stock region B after troubleⅡDrive into,
Switch section C is sailed out of from trouble forefoot area A, switch section C goes out clearly.
4th, tramcar from trouble palintrope stock region BⅢDrive into, switch section C is sailed out of from trouble forefoot area A.In the process, position
In trouble palintrope stock region BⅢTest point J3 corresponding to vehicle detection module DET3 detected that train passes through and train operation side
To for " forward branch off palintrope stock region drive into switch section ", while corresponding test point J3 vehicle detection module DET3 will be detected and tied
Fruit sends logical operation main frame N to by fieldbus；Test point J1 corresponds to vehicle detection module DET1 and detected before trouble
There is train by the way that and the traffic direction of train is " forward branch off forefoot area sail out of switch section ", while corresponding test point J1 car
Detection module DET1 sends testing result to logical operation main frame N by fieldbus；When logical operation main frame N is first followed by
After the testing result for receiving test point J3 and test point J1, after logic judgment, confirm tramcar from " forward trouble palintrope stock area
Switch section is driven into domain " to " forefoot area of forward branching off sails out of switch section ", show tramcar from trouble palintrope stock region BⅢDrive into,
Switch section C is sailed out of from trouble forefoot area A, switch section C goes out clearly.
For above-mentioned four kinds of tramcars route mode, if ALU N receives a certain test point (J1/J2/
J3 after the fault message) transmitted, ALU N is directed to safe condition, treats that manual confirmation or other modes confirm
After switch section C-state, by manually making detection device enter normal working condition.
Inspection terminates.
Said system using flexible, safe and reliable, cost is relatively low；Examined using the loop coil vehicle commonly used in urban transportation
Survey technology, and switch section is divided into after trouble forefoot area, trouble directly stock region and trouble palintrope stock region, reasonable Arrangement checks equipment inspection
Measuring point, ensure that switch section electric car drives safely by logic judgment, lift tramcar efficiency of operation；Any logical condition is sentenced
Dislocation misses, and can ensure ALU failure to the safe side state.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
1. a kind of tramcar track switch section takes inspection method, tramcar track switch section of this method based on loop coil accounts for
With inspection system, it includes：It is arranged on loop coil, the vehicle detection mould being arranged on beside track in street railway center
Block, logical operation main frame, the loop coil are connected with the vehicle detection module by feeder line, form wagon detector, institute
State wagon detector detection tramcar whether by with by direction, the vehicle detection module and the logical operation main frame
Connected by on-scene communication bus, the train that the logical operation main frame gathers according to the vehicle detection module is entered by information
Row logical operation, the occupancy of comprehensive descision switch section and goes out clear state, and switch section is divided into trouble forefoot area, Cha Houzhigu areas
Domain, trouble palintrope stock region, test point J1 being set in the trouble forefoot area, straight stock region sets test point J2 after the trouble,
The trouble palintrope stock region sets test point J3；
It is characterised in that it includes following steps：
S1：Tramcar passes through loop coil region, and the inductance value for detecting loop coil in circuit changes so that detection electricity
Frequency of oscillation in road changes, and vehicle detection module is confirmed whether to have vehicle process by detecting the change of frequency of oscillation
Loop coil region；
S2：Vehicle is determined whether behind loop coil region, vehicle detection module by detect vehicle cross test point J1,
The sequencing of two loop coils judges the traffic direction of tramcar in J2, J3；
S3：Testing result is transmitted to logical operation main frame by vehicle detection module by on-scene communication bus, and logical operation main frame is comprehensive
The testing result for closing test point J1, J2, J3 carries out logical operation, judges the occupancy of switch section and goes out clear state；
Wherein, judging the method for the traffic direction of tramcar in S2 at test point J1 includes：
S101：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in loop coil J1-
HXXQ1, while loop coil J1-HXXQ1 and loop coil J1-HXXQ2 are pressed into, sail out of loop coil J1-HXXQ1, individually pressure
Enter loop coil J1-HXXQ2, sail out of loop coil J1-HXXQ2, show that tramcar crosses J1 test points, traffic direction is
" to driving into switch section to trouble forefoot area "；
S102：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in loop coil J1-
HXXQ2, while loop coil J1-HXXQ2 and J1-HXXQ1 are pressed into, sail out of loop coil J1-HXXQ2, be individually pressed into toroid
J1-HXXQ1 is enclosed, sails out of loop coil J1-HXXQ1, shows that tramcar crosses J1 test points, traffic direction is " before forward branching off
Switch section is sailed out of in region " direction；
S103:If vehicle detection module detects that tramcar is pressed into not in accordance with the order in S101 or S102, failure carries
Show.
2. tramcar track switch section according to claim 1 takes inspection method, it is characterised in that in test point in S2
The method of the traffic direction of tramcar is judged at J2 to be included：
S201：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in loop coil J2-
HXXQ2, while loop coil J2-HXXQ2 and J2-HXXQ1 are pressed into, sail out of loop coil J2-HXXQ2, be individually pressed into J2-
HXXQ1, loop coil J2-HXXQ1 is sailed out of, show that tramcar crosses J2 test points, traffic direction is " to Cha Houzhigu area
Switch section is sailed out of in domain "；
S202：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in loop coil J2-
HXXQ1, while loop coil J2-HXXQ1 and J2-HXXQ2 are pressed into, sail out of loop coil J2-HXXQ1, be individually pressed into J2-
HXXQ2, loop coil J2-HXXQ2 is sailed out of, show that tramcar crosses J2 test points, traffic direction is " forward Cha Houzhigu areas
Switch section is driven into domain "；
S203：If vehicle detection module detects that tramcar is pressed into not in accordance with the order in S201 or S202, failure carries
Show.
3. tramcar track switch section according to claim 1 takes inspection method, it is characterised in that in test point in S2
The method of the traffic direction of tramcar is judged at J3 to be included：
S301：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in loop coil J3-
HXXQ2, while loop coil J3-HXXQ2 and J3-HXXQ1 are pressed into, sail out of loop coil J3-HXXQ2, be individually pressed into toroid
J3-HXXQ1 is enclosed, sails out of loop coil J3-HXXQ1, shows that tramcar crosses J3 test points, traffic direction is " to after trouble
Switch section is sailed out of in curved stock region "；
S302：Vehicle detection module detects that the mode of tramcar press-in loop coil includes：Individually press-in loop coil J3-
HXXQ1, while loop coil J3-HXXQ1 and J3-HXXQ2 are pressed into, sail out of loop coil J3-HXXQ1, be individually pressed into toroid
J3-HXXQ2 is enclosed, sails out of loop coil J2-HXXQ2, shows that tramcar passes through J3 test points, traffic direction is " after forward branching off
Switch section is driven into curved stock region "；
S303：If vehicle detection module detects that tramcar is pressed into not in accordance with the order in S301 or S302, failure carries
Show.
4. tramcar track switch section according to claim 1 takes inspection method, it is characterised in that logical operation in S3
Main frame carries out logical operation according to test point J1 and J2 testing result, judges the occupancy of switch section and goes out clear state, including：
S401：Tramcar drives into from trouble forefoot area, and switch section is sailed out of in straight stock region after trouble, in the process, positioned at inspection
Vehicle detection module corresponding to measuring point J1 detected train by, and current of traffic for " to trouble forefoot area drive into
Trouble section ", while corresponding test point J1 vehicle detection module sends testing result to logical operation master by fieldbus
Machine；
S402：Vehicle detection module after trouble in straight stock region detection point J2 has detected that train passes through and the operation side of train
To for " to sailing out of switch section to straight stock region after trouble ", while vehicle detection module corresponding to test point J2 leads to testing result
Cross fieldbus and send logical operation main frame to；
S403：After logical operation main frame successively receives test point J1 and test point J2 testing result, after logic judgment,
Confirm that tramcar from " to driving into switch section to trouble forefoot area " to " to sailing out of switch section to straight stock region after trouble ", shows
Tramcar drives into from trouble forefoot area, and switch section is sailed out of in straight stock region after trouble, and switch section goes out clearly.
5. tramcar track switch section according to claim 1 takes inspection method, it is characterised in that logical operation in S3
Main frame carries out logical operation according to test point J1 and J3 testing result, judges the occupancy of switch section and goes out clear state, including：
S501：Tramcar drives into from trouble forefoot area, switch section is sailed out of from trouble palintrope stock region, in the process, positioned at trouble
Vehicle detection module in the test point J1 of forefoot area detected train by, and current of traffic for " to trouble proparea
Switch section is driven into domain ", while the vehicle detection module in test point J1 sends testing result to logic by fieldbus
Computing host；
S502：Test point J3 in trouble palintrope stock region corresponds to vehicle detection module and has detected that train passes through and the fortune of train
Line direction is " to sailing out of switch section to trouble palintrope stock region ", while corresponding test point J3 vehicle detection module will be detected and tied
Fruit sends logical operation main frame to by fieldbus；
S503：After logical operation main frame successively receives test point J1 and test point J3 testing result, after logic judgment,
Confirm that tramcar from " to driving into switch section to trouble forefoot area " to " to sailing out of switch section to trouble palintrope stock region ", shows
Tramcar drives into before trouble, sails out of switch section from trouble palintrope stock, switch section goes out clearly.
6. tramcar track switch section according to claim 1 takes inspection method, it is characterised in that logical operation in S3
Main frame carries out logical operation according to test point J1 and J2 testing result, judges the occupancy of switch section and goes out clear state, including：
S601：Tramcar straight stock region after trouble is driven into, and switch section is sailed out of from trouble forefoot area, in the process, positioned at trouble
Vehicle detection module corresponding to the test point J2 in straight stock region has detected train by the way that and current of traffic is " forward afterwards
Switch section is driven into straight stock region after trouble ", while testing result is passed through scene always by corresponding test point J2 vehicle detection module
Line sends logical operation main frame to；
S602：Test point J1 corresponds to vehicle detection module and has detected that train passes through and the traffic direction of train in trouble forefoot area
Testing result is passed through scene by the vehicle detection module for " forward trouble forefoot area sails out of switch section ", while corresponding test point J1
Bus sends logical operation main frame to；
S603：After logical operation main frame successively receives test point J2 and test point J1 testing result, after logic judgment,
Confirm that tramcar from " switch section is driven into straight stock region after forward branching off " to " forefoot area of forward branching off sails out of switch section ", shows
Tramcar straight stock region after trouble is driven into, and sails out of switch section from trouble forefoot area, switch section goes out clearly.
7. tramcar track switch section according to claim 1 takes inspection method, it is characterised in that logical operation in S3
Main frame carries out logical operation according to test point J1 and J3 testing result, judges the occupancy of switch section and goes out clear state, including：
S701：Tramcar drives into from trouble palintrope stock region, switch section is sailed out of from trouble forefoot area, in the process, positioned at trouble
Vehicle detection module corresponding to the test point J3 in palintrope stock region has detected train by the way that and current of traffic is " forward
Switch section is driven into trouble palintrope stock region ", while testing result is passed through scene always by corresponding test point J3 vehicle detection module
Line sends logical operation main frame to；
S702：Test point J1 in trouble forefoot area corresponds to vehicle detection module and has detected that train passes through and the operation side of train
To for " forward branch off forefoot area sail out of switch section ", at the same corresponding test point J1 vehicle detection module testing result is passed through it is existing
Field bus sends logical operation main frame to；
S703：After logical operation main frame successively receives test point J3 and test point J1 testing result, after logic judgment,
Confirm that tramcar from " forward switch section is driven into trouble palintrope stock region " to " forefoot area of forward branching off sails out of switch section ", shows
Tramcar drives into from trouble palintrope stock region, sails out of switch section from trouble forefoot area, switch section goes out clearly.
8. a kind of tramcar track switch section based on loop coil takes inspection system, it is characterised in that
Switch section is divided into straight stock region, trouble palintrope stock region after trouble forefoot area, trouble, and test point is set in the trouble forefoot area
J1, the test point J1 are provided with loop coil J1-HXXQ1 and loop coil J1-HXXQ2, the loop coil J1-HXXQ1
The porch of the trouble forefoot area is arranged on, the loop coil J1-HXXQ2 is arranged in the trouble forefoot area and from the ring
Shape coil J1-HXXQ1 distance is D；
Straight stock region sets in test point J2, the test point J2 and is provided with loop coil J2-HXXQ1 and annular after the trouble
Coil J2-HXXQ2, the loop coil J2-HXXQ1 are arranged on the end in straight stock region after the trouble, the loop coil
J2-HXXQ2 is arranged on after the trouble in straight stock region and from being D with a distance from the loop coil J2-HXXQ1；
Loop coil J3-HXXQ1 and annular are provided with during test point J3, the test point J3 are set in the trouble palintrope stock region
Coil J3-HXXQ2, the loop coil J3-HXXQ1 are arranged on the end in the trouble palintrope stock region, the loop coil
J3-HXXQ2 is arranged in the trouble palintrope stock region and from being D with a distance from the loop coil J3-HXXQ1；
Distance D length value tramcar block length half between 3/4ths.
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| CN201610528943.0A CN106143539B (en) | 2016-07-07 | 2016-07-07 | Tramcar track switch section based on loop coil takes inspection system and method |
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| CN107226108B (en) * | 2017-06-19 | 2023-05-12 | 深圳科安达电子科技股份有限公司 | Tramcar control method and system |
| CN108072806B (en) * | 2017-11-13 | 2020-12-15 | 北京全路通信信号研究设计院集团有限公司 | Track circuit fault diagnosis system and method |
| JP2020137332A (en) * | 2019-02-22 | 2020-08-31 | 三菱重工エンジニアリング株式会社 | Train control system, on-vehicle device and train control method |
| CN112298275A (en) * | 2019-07-26 | 2021-02-02 | 比亚迪股份有限公司 | Train section occupation detection method, device and system |
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| DE3337183A1 (en) * | 1983-10-13 | 1985-04-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Arrangement for signalling on railway tracks |
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Effective date of registration: 20201201 Address after: 730087 No. 1908-02, building 4, plot g, Greenland smart financial city, Lanzhou New Area, Lanzhou City, Gansu Province Patentee after: Gansu zhongyihe Technology Co., Ltd Address before: Four 215513 Jiangsu Sea city of Suzhou province Changshou City economic and Technological Development Zone No. 11 Science Park Patentee before: SUZHOU CHANGHE TIANCHENG RAILWAY SIGNAL Co.,Ltd. |