CN104460477B - A kind of self-discharging truck load condition and transport pass detecting system and method - Google Patents
A kind of self-discharging truck load condition and transport pass detecting system and method Download PDFInfo
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- CN104460477B CN104460477B CN201410625916.6A CN201410625916A CN104460477B CN 104460477 B CN104460477 B CN 104460477B CN 201410625916 A CN201410625916 A CN 201410625916A CN 104460477 B CN104460477 B CN 104460477B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
Abstract
The present invention relates to a kind of self-discharging truck load condition and transport pass detecting system and method, the system includes：Voltage-type two on the central frame beam longeron of self-discharging truck is to foil gauge；For receiving the deformation voltage signal, and the processing unit of remote transmission will be carried out after the deformation voltage signal transacting；For receiving the signal that the processing unit is transmitted out, the Surveillance center of self-discharging truck load condition and transport number of times is gone out according to the signal of change.The method obtains the signal of self-discharging truck to foil gauge in real time by voltage-type two, and is transmitted to Surveillance center by GPRS/3G, can in real time, accurately obtain the state on self-discharging truck, and the inventive method is not limited by environment, applied widely.Present system simple structure, each module used is existing component, and the setting and connection of each component can be achieved by the prior art, therefore the system structure is realized conveniently.
Description
Technical field
The present invention relates to the comprehensively monitoring of self-discharging truck, in particular to a kind of self-discharging truck self-discharging truck load-carrying shape
State and transport pass detecting system and method.
Background technology
Self-discharging truck is the bulk transport machinery commonly used in engineering, in earthwork evacuation and reclamation work, concreter
Largely used in journey, the real time load, landing state information to these self-discharging trucks carry out conduct monitoring at all levels, are dynamic optimizations
Transport of materials scheduling scheme, improves the necessary means of utilization rate of equipment and installations.
Engineering site environment is complicated, at present, still lacks the effective technology and means to the transportation comprehensively monitoring of vehicle,
There is the method for several vehicle operation monitoring on the market, there are problems that various drawbacks and ambient adaptability.Such as：Using base
In the vehicle location tracking technique of GNSS satellite positioning, exist in chamber cannot position, crankcase ventilaton positioning is inaccurate, cannot judge
The problem of vehicle load state；Using the load condition monitoring scheme based on pressure sensor, there is sensor high cost, equipment
Complexity is installed, stability is poor, cannot judge the problem of discharge process；The method for being switched empty full load condition by hand using driver, is received
The influence of operating personnel's factor is big, it is impossible to large-scale application；Weighing technique based on weighbridge can more accurately analyze transport pass
With quantities, but require that field operation face compares fixed with traffic route, it is impossible to weighbridge is dynamically flexibly set according to requirement of engineering
Room, while parking is weighed and will cause the traffic efficiency to reduce.
Above-mentioned prior art cannot accurately judge the load condition of vehicle, programming count transport number, therefore be badly in need of hair
The self-discharging truck load condition of Zhan Xin and the technology of transport pass statistical correlation, equipment and system.
The content of the invention
Present invention aim to overcome that above-mentioned the deficiencies in the prior art and a kind of self-discharging truck load condition and fortune are provided
Defeated pass detecting system and method, the present invention can automatically detect the empty full load condition of self-discharging truck, and can automatic detection
To the pass of self-discharging truck loading and unloading transport, simple structure can be applicable various environment, and testing result is accurate.
Realizing the technical scheme that the object of the invention is used is：A kind of self-discharging truck load condition and transport pass detection system
System, including：
, to foil gauge, on the central frame beam longeron of self-discharging truck, the deformation for obtaining vehicle frame is electric for voltage-type two
Pressure signal；
Processing unit, for receiving the deformation voltage signal, and will be carried out long-range after the deformation voltage signal transacting
Transmission；
Surveillance center, for receiving the signal that the processing unit is transmitted out, self-discharging truck is gone out according to the signal of change
Load condition and transport number of times.
In the above-mentioned technical solutions, the processing unit includes：
Collector, for the deformation voltage signal that collection voltages formula two is obtained to foil gauge；
A/D converter, for the deformation voltage signal to be converted into deformation voltage data signal；
Processor, the method filtered using continuous multiple spot median is filtered place to the deformation voltage data signal
Reason, obtains filtered signal；
DTU transport modules, receive the filtered signal, are passed the filtered signal by GPRS/3G agreements
It is defeated to Surveillance center.
In the above-mentioned technical solutions, the Surveillance center includes：
Data access module, for receiving the signal that the DTU transport modules are transmitted out；
Rule setting module, the signal analysis for being received according to the data access module draws unloaded, fully loaded, unloading
Threshold voltage and effective range under state, and as the empty fully loaded judgment standard of vehicle；
Condition judgment module, for dynamically carrying out empty fully loaded judgement, in real time analysis self-unloading load-carrying according to the judgment standard
The state of car；
Pass analysis module, for the empty full load condition signal for judging to draw according to the condition judgment module, must come from
Unload the transport pass of bogie load-carrying；
Memory module, for the data that storage state judge module and pass analysis module draw.
The present invention also provides a kind of self-discharging truck load condition and transport pass detection method, and the method includes：
The deformation voltage of vehicle frame is obtained to foil gauge by the voltage-type two on the central frame beam longeron of self-discharging truck
Signal；
Processing unit receives the deformation voltage signal, and will carry out remote transmission after the deformation voltage signal transacting；
Surveillance center receives the signal that the processing unit is transmitted out, and self-discharging truck load-carrying shape is gone out according to the signal of change
State and transport number of times.
In the above-mentioned technical solutions, the processing unit receives the deformation voltage signal, and the deformation voltage is believed
Carry out remote transmission and include after number treatment：
The deformation voltage signal that collector collection voltages formula two is obtained to foil gauge, and by the deformation voltage signal transmission extremely
A/D converter；
A/D converter is transmitted to processor after the deformation voltage signal is converted into deformation voltage data signal；
Processor is filtered treatment using the method that continuous multiple spot median is filtered to the deformation voltage data signal,
Filtered signal is obtained, filtering signal is transmitted to DTU transport modules；
DTU transport modules receive the filtered signal, by GPRS/3G agreements by the filtered signal transmission
To Surveillance center.
In the above-mentioned technical solutions, Surveillance center receives the signal that the processing unit is transmitted out, according to the signal of change
Going out self-discharging truck load condition and transport number of times includes：
Data access module receives the signal that the DTU transport modules are transmitted out；
Begin operation when or re-scale under pattern, the signal that rule setting module is received according to the data access module
Analysis draws threshold voltage and effective range under unloaded, fully loaded, unladen state, and as the empty fully loaded judgment standard of vehicle；
Condition judgment module dynamically carries out the empty fully loaded shape for judging, self-discharging truck being analyzed in real time according to the judgment standard
State；
The empty full load condition signal that pass analysis module judges to draw according to the condition judgment module, draws self-unloading load-carrying
Vehicle-mounted heavy transport pass.
The data that memory module storage state judge module and pass analysis module draw.
Further, when vehicle is unloaded, voltage-type two exports initial voltage V to foil gauge0；Vehicle full load, strain
Piece is in pressured state, output voltage values V1；When vehicle is unloaded, hydraulic jack jack-up, foil gauge is in tension state, now
Output voltage values V2, difference and its residing interval of the rule setting module comparison voltage formula two to foil gauge acquisition magnitude of voltage,
The state for drawing vehicle is unloaded, fully loaded or is unloading.
Further, pass analysis module changes to compression, tension and compression and returns to by reset condition of continuous monitoring
The process of reset condition, judges a loading and unloading transportation.
The present invention has advantages below：
1. present system simple structure, each module used is existing component, and the setting and connection of each component are equal
Can be achieved by the prior art, therefore the system structure is realized conveniently.
2. the inventive method is simple, practical, and the voltage-type two used by this method can be conveniently to foil gauge, processing unit
Ground obtains the signal of self-discharging truck in real time on self-discharging truck, and is transmitted to Surveillance center by GPRS/3G, can
In real time, the state on self-discharging truck is accurately obtained, the inventive method is not limited by environment, applied widely.
Brief description of the drawings
Fig. 1 is the structured flowchart of self-discharging truck load condition of the present invention and transport pass detecting system.
Structural representation when Fig. 2 is unloaded self-discharging truck.
Fig. 3 is self-discharging truck full load structural representation.
Structural representation when Fig. 4 is self-discharging truck discharging.
Fig. 5 is the deformation voltage signal schematic representation that voltage-type two is obtained to foil gauge.
Fig. 6 is the signal schematic representation after mean filter.
Fig. 7 is the signal schematic representation after medium filtering.
Fig. 8 is fully loaded, unloaded and unloading the state diagram of self-discharging truck..
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, self-discharging truck load condition and transport pass detecting system include voltage-type two to foil gauge, place
Reason unit and Surveillance center, wherein,
Voltage-type two is arranged on the main car frame longeron bottom of self-discharging truck to foil gauge, the deformation electricity for obtaining vehicle frame
Pressure signal, perceives the deformation state of vehicle frame.
Processing unit includes：Collector, A/D converter, processor and power module, draw 12V from self-discharging truck
Power supply to power module, by power module for processing unit is powered.The input of collector passes through with voltage-type two to foil gauge
Three-core cable is connected, and electric signal is connected successively for output and A/D converter, processor and the DTU transport modules of collector.
Surveillance center includes：Data access module, rule setting module, condition judgment module, pass analysis module, storage
Module, data access module carries out data cube computation, rule setting module and condition adjudgement with DTU transport modules by GPRS/3G
Module is connected with data access module respectively, and condition judgment module is also connected with rule setting module, pass analysis module and shape
State judge module is connected, and memory module is connected with condition judgment module and pass analysis module respectively.Rule setting module, state
Judge module, pass analysis module carry out data processing and analytical calculation using existing single-chip microcomputer or processor.
State is carried out by above-mentioned self-discharging truck load condition and transport pass detecting system and transports what pass was detected
Method is as follows：
S100, voltage-type two obtain the deformation voltage signal V of vehicle frame to foil gauge.
When the chassis steelframe of self-discharging truck receives different load, it may occur that trickle deformation, voltage-type two is to strain
Piece can perceive faint deformation signal, deformation voltage signal and the deformation values linear correlation of its output.
Foil gauge is arranged on self-discharging truck longitudinal beam bottom, when vehicle is unloaded, as shown in Fig. 2 foil gauge is in
The reset condition of non-stress, exports initial voltage V0；In vehicle full-load run, as shown in figure 3, the load of vehicle is split in
The axletree top at longeron two ends, foil gauge is in pressured state, output voltage values V1(V1>V0)；When vehicle is unloaded, such as Fig. 4 institutes
Show, hydraulic jack jack-up, foil gauge is in tension state, now output voltage values V2(V2<V0)。
S200, processing unit receive the deformation voltage signal, and will be carried out after the deformation voltage signal transacting long-range
Transmission, comprises the following steps that：
The deformation voltage signal that S201, collector collection voltages formula two are obtained to foil gauge, the deformation voltage signal is passed
Transport to A/D converter.
S202, A/D converter are transmitted to processor after the deformation voltage signal is converted into deformation voltage data signal.
S203, processor are filtered using the method that continuous multiple spot median is filtered to the deformation voltage data signal
Treatment, obtains filtered signal, and filtering signal is transmitted to DTU transport modules.
S204, DTU transport module accept filter after signal, the filtered signal is passed by GPRS/3G agreements
It is defeated to Surveillance center.
S300, Surveillance center receive the signal that the processing unit is transmitted out, and self-discharging truck is gone out according to the signal of change
Load condition and transport number of times, comprise the following steps that：
S301, data access module receive the signal that the DTU transport modules are transmitted out；
S302, begin operation when or re-scale under pattern, rule setting module comparison voltage formula two is to foil gauge voltage
The difference of value and its residing interval, it is possible to which the state for analyzing vehicle is unloaded, fully loaded or is unloading, connect according to data
Enter threshold voltage and effective range that the signal analysis of module reception is drawn under unloaded, fully loaded, unladen state, and it is empty as vehicle
Fully loaded judgment standard,
S303, condition judgment module dynamically carry out empty fully loaded judgement according to the judgment standard of gained in step S302, to electricity
The deformation voltage signal V that pressure type two obtains vehicle frame to foil gauge in real time is analyzed the state of self-discharging truck.
The empty full load condition signal that S304, pass analysis module judge to draw according to condition judgment module, draws self-unloading
The transport pass of loaded vehicle load-carrying, by reset condition (V of continuous monitoring0) change to compressive strain (V1), stretching strain (V2) and it is extensive
Reset condition (V is arrived again0) process, it is possible to judgement is a loading and unloading transportation.
The data that S305, memory module storage state judge module and pass analysis module draw.
Due to vehicle, environment is constantly converted in the process of running, such as：Climb and fall, accelerate, brake, jolting, car can be caused
There is saltus step in the stress and deformation state of frame longeron, influence the analysis of state and judge, one kind that the inventive method is provided is preferably
Implementation method is：The data suitable filter window of selection to these instantaneous saltus steps carries out median filter process, by filtering
The noise in signal is filtered, to reduce noise to improving the influence of the inventive method, Detection results is improved.If Fig. 5 is voltage-type
The two original deformation voltage signals that vehicle frame is obtained to foil gauge, Fig. 6 is after carrying out mean filter to original deformation voltage signal
Schematic diagram, Fig. 7 is to carry out the schematic diagram after medium filtering to original deformation voltage signal, from figs. 5 and 6, it can be seen that filtering
Voltage signal afterwards reduces the interference of noise.It is fully loaded, unloaded that dash area in Fig. 8 from top to bottom is respectively self-discharging truck
With the state diagram of unloading.
Additionally, present system can also be combined with GPS or big-dipper satellite locating and monitoring system, comprehensive operation rail is realized
Mark is monitored and transport pass monitoring.
Claims (5)
1. a kind of self-discharging truck load condition and transport pass detecting system, it is characterised in that including：
Voltage-type two to foil gauge, on the central frame beam longeron of self-discharging truck, believe by the deformation voltage for obtaining vehicle frame
Number；
Processing unit, for receiving the deformation voltage signal, and will carry out remote transmission after the deformation voltage signal transacting；
Surveillance center, for receiving the signal that the processing unit is transmitted out, self-discharging truck load-carrying is gone out according to the signal of change
State and transport number of times, the Surveillance center include：
Data access module, for receiving the signal that the processing unit is transmitted out；
Rule setting module, the signal analysis for being received according to the data access module draws unloaded, fully loaded, unladen state
Under voltage threshold and effective range, and as the empty fully loaded judgment standard of vehicle；Specially：When vehicle is unloaded, voltage-type two
Initial voltage V is exported to foil gauge0；Vehicle full load, voltage-type two is in pressured state, output voltage values V to foil gauge1；
When vehicle is unloaded, hydraulic jack jack-up, voltage-type two is in tension state to foil gauge, now output voltage values V2, rule
Setup module comparison voltage formula two obtains the difference of magnitude of voltage and its residing interval to foil gauge, and the state for drawing vehicle is empty
Carry, be fully loaded with and still unloading；
Condition judgment module, for dynamically carrying out empty fully loaded judgement according to the judgment standard, analyzes self-discharging truck in real time
State；
Pass analysis module, for the empty full load condition signal for judging to draw according to the condition judgment module, draws self-unloading
The transport pass of loaded vehicle load-carrying；
Memory module, for the data that storage state judge module and pass analysis module draw.
2. according to claim 1 self-discharging truck load condition and transport pass detecting system, it is characterised in that the place
Reason unit includes：
Collector, for the deformation voltage signal that collection voltages formula two is obtained to foil gauge；
A/D converter, for the deformation voltage signal to be converted into deformation voltage data signal；
Processor, the method filtered using continuous multiple spot median is filtered treatment to the deformation voltage data signal, obtains
To filtered signal；
DTU transport modules, receive the filtered signal, are arrived the filtered signal transmission by GPRS/3G agreements
Surveillance center.
3. a kind of self-discharging truck load condition and transport pass detection method, it is characterised in that including：
The deformation voltage signal of vehicle frame is obtained to foil gauge by the voltage-type two on the central frame beam longeron of self-discharging truck；
Processing unit receives the deformation voltage signal, and will carry out remote transmission after the deformation voltage signal transacting；
Surveillance center receives the signal that the processing unit is transmitted out, according to the signal of change go out self-discharging truck load condition and
Transport number of times；Surveillance center receives the signal that the processing unit is transmitted out, and self-discharging truck load-carrying is gone out according to the signal of change
State and transport number of times include：
Data access module receives the signal that the processing unit is transmitted out；
Begin operation when or re-scale under pattern, the signal analysis that rule setting module is received according to the data access module
The voltage threshold and effective range under unloaded, fully loaded, unladen state are drawn, and as the empty fully loaded judgment standard of vehicle；Vehicle
When unloaded, voltage-type two exports initial voltage V to foil gauge0；Vehicle full load, voltage-type two is in compression shape to foil gauge
State, output voltage values V1；When vehicle is unloaded, hydraulic jack jack-up, voltage-type two is in tension state to foil gauge, now defeated
Go out magnitude of voltage V2, rule setting module comparison voltage formula two to foil gauge obtain magnitude of voltage difference and its residing interval, obtain
The state for going out vehicle is unloaded, fully loaded or is unloading；
Condition judgment module dynamically carries out the empty fully loaded state for judging, self-discharging truck being analyzed in real time according to the judgment standard；
The empty full load condition signal that pass analysis module judges to draw according to the condition judgment module, show that self-discharging truck is carried
The transport pass of weight；
The data that memory module storage state judge module and pass analysis module draw.
4. according to claim 3 self-discharging truck load condition and transport pass detection method, it is characterised in that the place
Reason unit receives the deformation voltage signal, and includes remote transmission is carried out after the deformation voltage signal transacting：
The deformation voltage signal that collector collection voltages formula two is obtained to foil gauge, and by the deformation voltage signal transmission to A/D
Converter；
A/D converter is transmitted to processor after the deformation voltage signal is converted into deformation voltage data signal；
Processor is filtered treatment using the method that continuous multiple spot median is filtered to the deformation voltage data signal, obtains
Filtered signal, filtering signal is transmitted to DTU transport modules；
DTU transport modules receive the filtered signal, by GPRS/3G agreements will the filtered signal transmission to supervising
Control center.
5. according to claim 4 self-discharging truck load condition and transport pass detection method, it is characterised in that：
Pass analysis module changes to compression, tension and returns to the mistake of reset condition by reset condition of continuous monitoring
Journey, judges a loading and unloading transportation.
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| CN111649812A (en) * | 2020-06-17 | 2020-09-11 | 山东理工大学 | Semi-trailer vehicle-mounted weighing system |
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