CN109712409A - A kind of control matching process based on vehicle weight and candid photograph characteristic information data - Google Patents
A kind of control matching process based on vehicle weight and candid photograph characteristic information data Download PDFInfo
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- CN109712409A CN109712409A CN201811479675.3A CN201811479675A CN109712409A CN 109712409 A CN109712409 A CN 109712409A CN 201811479675 A CN201811479675 A CN 201811479675A CN 109712409 A CN109712409 A CN 109712409A
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Abstract
The invention discloses a kind of based on vehicle weight and captures the control matching process of characteristic information data, belong to vehicle sensing processing field comprising the steps of: A, will obtain whether coil senses that the vehicle checker data of information of vehicle export by vehicle checker signal converter；B, program is by being combined judgement for effective input information, it filters out the vehicle for not needing capture machine candid photograph and driving direction and captures the vehicle that direction is not inconsistent, present invention combination vehicle incudes detection system and high definition integrated image is captured, identification, analysis system, apply to the not parking weighing data of high speed, Car license recognition captures the vehicle snapshots such as data and identifies scene, hinge is connected as road vehicle detection induction and subsequent the intermediate of processing of capturing, it can be widely applied to state's provincial highway main line, bridge entrance, the goods stocks vehicle flowrate such as highway is big, and in the actual scene of easily generation overrun and overload.
Description
Technical field
It is specifically a kind of based on vehicle weight and candid photograph characteristic information data the present invention relates to vehicle sensing processing field
Control matching process.
Background technique
With increasing rapidly for the high speed development of national economy, the continuous quickening of urbanization process, city size and population
The living standard of the people is continuously improved, and vehicle ownership rapidly increases, and motor vehicle is more also valued by people, same to people
The relationship lived now it is more and more closer, while bringing unprecedented pressure to road traffic, also give highway division
The safety for how more effectively protecting broad masses of the people's in-trips vehicles safeguards the legitimate rights and interests of the people, and extending road makes
With the service life, road maintenance cost is reduced, overrun and overload phenomenon is hit and produces corresponding overload remediation previewing system.
The general detection logic of current overload remediation previewing system is that vehicle is by pre- cautious, measurement vehicle weight, video camera
Relevant vehicle pictures information is captured with weight.In such a detection system, the weight of vehicle and the correspondence for capturing information
Just seem especially important, and vehicle snapshot is related to the trigger point selection of vehicle snapshot, and the requirement of complexity such as trigger condition triggers
Point selection will appear capture machine and capture the pictorial information less than emphasis and be identified when bad, candid photograph touching too early or too late
Hair will lead to the obverse and reverse license board information for capturing image not on the image of candid photograph, and the filtering of trigger condition is passing through vehicle
The input information of induction system judges and filters out the triggering information of non-carriage, can not only reduce the candid photograph number of picture in this way
Amount can also reduce the problem for capturing picture and weight-matched mistake, improve the accuracy of system matches.Vehicle is controlled based on PLC
Weight from capture picture match equipment can be compatible with different vehicle induction systems level input logic and it is compatible not
Same logic output, and the data that can be needed according to user demand using 485 bus programmable of half-duplex output user, use
Industrial upward stability and the outstanding PLC device platform of interference free performance subtracted with guaranteeing the stability and safety that continue working
Few manpower maintenance and debugging cost.
In summary a be both able to satisfy in highway information governance process incudes the work detected for vehicle
With, while function-stable, scalability is strong, and installation maintenance is simple, interface logic is compatible by force, has a wide range of application.Use state
Wheel ask mechanism and efficient algorithm real-time detection vehicle drive into during various states change, can effectively avoid accidentally grab and
The generation of result is grabbed in leakage, meets the intermediate member of fringe node data-triggered acquisition in highway informationization construction, for efficiently nobody
The foundation stone of intelligentized highway information net construction.
Summary of the invention
The purpose of the present invention is to provide a kind of based on vehicle weight and captures the control matching process of characteristic information data,
To solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of control matching process based on vehicle weight and candid photograph characteristic information data comprising the steps of:
A, whether acquisition coil is sensed to the vehicle checker data progress of the information of vehicle by vehicle checker signal converter
Output；
B, program is by being combined judgement for effective input information, filter out do not need the vehicle of capture machine candid photograph with
The vehicle that driving direction and candid photograph direction are not inconsistent；
C, exported by PLC it is adjustable to the pulse signal width of the output signal of capture machine, and can capture while will
It captures information data and is sent to industrial personal computer, complete a whole set of perfect data conversion and transmission.
As further technical solution of the present invention: the vehicle for not needing capture machine candid photograph includes electric vehicle, three-wheel
Vehicle and bicycle.
As further technical solution of the present invention: the candid photograph information data includes lane number, vehicle-state and traveling
Direction.
As further technical solution of the present invention: in the step B, according to vehicle by it is two rows of it is coil-induced arrive it is successive
Vehicle is divided into four detectable different conditions distinguished in the state for capturing region by sequence, and is existed according to on-site actual situations
The triggering state selecting preceding candid photograph in four states and capturing afterwards.
As further technical solution of the present invention: the output in the step A uses the on-off of optocoupler to indicate whether
Coil-induced to arrive, before access PLC input, in the common end of optocoupler, access PLC is identified as the voltage of high level.
As further technical solution of the present invention: the PLC is powered using direct current DC24V, when vehicle is by induction coil
After sensing, high level is input to PLC by optocoupler output conducting, and prime isolation input is completed, and is mentioned for the input of subsequent program
For effective input data.
As further technical solution of the present invention: the PLC is PLC matrix module, is connected on PLC matrix module more
A car test signal adapter and multiple capture machines.
Compared with prior art, the beneficial effects of the present invention are: the present invention use can under complicated severe industrial environment
Rear isolation input is amplified with the signal that the PLC device that high stable works inputs vehicle induction system and is handled, and has been handled
High definition one capture and identification system is translated into after can recognize accessible signal, and high definition one is controlled by the signal
The follow-up works such as body vehicle snapshot system carries out video capture, saves, and license plate number is extracted, and pass through equipment distinctive 485 half
Duplex signaling bus, which crosses vehicle, carries out the direction that trigger-type candid photograph is, lane number and the information driven into or be driven out to pass through
Distinctive agreement indicates and is sent to the acceptable equipment for changing bus data, such as industrial personal computer, equipment combination vehicle induction inspection
Examining system and high definition integrated image are captured, are identified, analysis system, apply to the not parking weighing data of high speed, Car license recognition is grabbed
The vehicle snapshots such as beat of data identify scene, connect hinge as road vehicle detection induction and subsequent the intermediate of processing of capturing, can
It is big to be widely used in the goods stocks vehicle flowrates such as state's provincial highway main line, bridge entrance, highway, and overrun and overload easily occurs
Actual scene in.
Detailed description of the invention
Fig. 1 is to capture to capture flow chart for the PLC of standard with Four-Lane Road individual event.
Fig. 2 is the hardware connection figure of PLC and front and back end.
Fig. 3 is program state machine circulation figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1: please referring to Fig. 1-3, a kind of based on vehicle weight and to capture the control matching process of characteristic information data,
It comprises the steps of:
A, whether acquisition coil is sensed to the vehicle checker data progress of the information of vehicle by vehicle checker signal converter
Output, output have indicated whether that coil senses using the on-off of optocoupler, before access PLC input, in the common end of optocoupler
Access PLC can recognize that the voltage for high level, this PLC are direct current DC24V, and after vehicle is sensed by induction coil, optocoupler is defeated
High level is input to PLC by outlet conducting, and prime isolation input is completed, and provides effective input number for the input of subsequent program
According to.
B, program filters out single-wheel, such as electric vehicle, tricycle etc. by the way that effective input information is combined judgement
It does not need the vehicle of capture machine candid photograph and driving direction and captures the vehicle that is not inconsistent of direction, coil-induced arrived according to vehicle by two rows of
Sequencing vehicle can be divided into four detectable different conditions distinguished in the state for capturing region, can be according to live practical
The triggering state that situation is selected preceding candid photograph in four states and captured afterwards.
C, exported by PLC it is adjustable to the pulse signal width of the output signal of capture machine, and can capture while can
Information will be captured, such as lane number, vehicle-state and driving direction data are sent to industrial personal computer, complete a whole set of perfect data conversion
And transmission.
Embodiment 2: on the basis of embodiment 1, the PLC of the design is PLC matrix module, is connected on PLC matrix module
There are multiple car test signal adapters and multiple capture machines, as shown in Fig. 2, many places monitoring point can be carried out while be acquired, vehicle
Wheel number and vehicle travel process detection identification technology are the letters that prime metal induction coil is acquired by the other PLC device of technical grade
Breath waits judge vehicle to drive into or out of situation to obtain the case where vehicle drives into, by jumping for state machine, because of the gold of prime
The function of belonging to induction coil is relatively simple, can only obtain the gold for whether having more than the induction upper limit above induction coil in certain distance
Belong to object to occur, therefore need for the aggregation of obtained high-low signal to be input to the PLC device of master control, it is passed through into combination judgement
Become be concrete operations and identification the number of track-lines that crosses of vehicle, vehicle heading, specific location of the vehicle in detection zone
Region can protocol identification data, and triggering corresponding output port simultaneously captures capture machine in correct when and where
To the photo for meeting display demand.
PLC matrix module is given in connection after the signal of vehicle checker signal converter induction receiving coil and isolation, module it is defeated
It is directly connected to the candid photograph control line of capture machine out, data communication can pass through 485 half-duplex bus by the DB9 interface above PLC
Carry out data transmission interacting.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of control matching process based on vehicle weight and candid photograph characteristic information data, which is characterized in that include following step
It is rapid:
A, it will obtain whether coil senses that the vehicle checker data of information of vehicle export by vehicle checker signal converter；
B, program filters out the vehicle and traveling for not needing capture machine candid photograph by the way that effective input information is combined judgement
The vehicle that direction and candid photograph direction are not inconsistent；
C, exported by PLC it is adjustable to the pulse signal width of the output signal of capture machine, and capture while by capture believe
Breath data are sent to industrial personal computer, complete a whole set of perfect data conversion and transmission.
2. a kind of control matching process based on vehicle weight and candid photograph characteristic information data according to claim 1,
It is characterized in that, the vehicle for not needing capture machine candid photograph includes electric vehicle, tricycle and bicycle.
3. a kind of control matching process based on vehicle weight and candid photograph characteristic information data according to claim 1,
It is characterized in that, the candid photograph information data includes lane number, vehicle-state and driving direction.
4. a kind of control matching process based on vehicle weight and candid photograph characteristic information data according to claim 1,
It is characterized in that, the state in the step B, according to vehicle by two rows of coil-induced sequencings arrived by vehicle in candid photograph region
It is divided into four detectable different conditions distinguished, and selectes preceding candid photograph in four states according to on-site actual situations and grabbed with after
The triggering state of bat.
5. a kind of control matching process based on vehicle weight and candid photograph characteristic information data according to claim 1,
It is characterized in that, the output in the step A has indicated whether that coil senses using the on-off of optocoupler, inputs it in access PLC
Before, in the common end of optocoupler, access PLC is identified as the voltage of high level.
6. a kind of control matching process based on vehicle weight and candid photograph characteristic information data according to claim 5,
It is characterized in that, the PLC is powered using direct current DC24V, and after vehicle is sensed by induction coil, optocoupler output conducting will
High level is input to PLC, and prime isolation input is completed, and provides effective input data for the input of subsequent program.
7. a kind of control matching process based on vehicle weight and candid photograph characteristic information data according to claim 1,
It is characterized in that, the PLC is PLC matrix module, is connected with multiple car test signal adapters and multiple candid photographs on PLC matrix module
Machine.
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Cited By (2)
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| CN111627221A (en) * | 2020-04-02 | 2020-09-04 | 深圳亿维锐创科技股份有限公司 | Automatic comprehensive detection system based on no-parking dynamic intelligent weighing |
| CN116152757A (en) * | 2023-04-18 | 2023-05-23 | 深圳亿维锐创科技股份有限公司 | Weighing data analysis method and related device based on multiple points |
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