CN109855713A - Lorry handling goods real-time monitoring system and its method based on electronic ruler - Google Patents
Lorry handling goods real-time monitoring system and its method based on electronic ruler Download PDFInfo
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- CN109855713A CN109855713A CN201811341750.XA CN201811341750A CN109855713A CN 109855713 A CN109855713 A CN 109855713A CN 201811341750 A CN201811341750 A CN 201811341750A CN 109855713 A CN109855713 A CN 109855713A
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Abstract
The invention discloses a kind of, and the lorry based on electronic ruler loads and unloads goods real-time monitoring system, including STM32 single-chip microcontroller, GPS positioning chip, SIM900 communication module group, background data center and electronics rule displacement sensor, the STM32 single-chip microcontroller includes RS485 interface, IIC interface and SIM900 communication interface, the signal input part of STM32 single-chip microcontroller passes through the signal output end that RS485 interface connects electronics rule displacement sensor and GPS positioning chip with IIC interface respectively, the signal output end of STM32 single-chip microcontroller connects the signal input part of SIM900 communication module group by SIM900 communication interface, and background data center is transferred signals to by SIM900 communication module group.The invention also discloses a kind of, and the lorry based on electronic ruler loads and unloads goods method of real-time.So that the present invention can real-time monitoring truckload variation, to overload condition and handling goods situation be acquired and count, improve truckload monitor accuracy；The centre-of gravity shift situation of lorry can be monitored again, so that driver safety be reminded to drive, guarantee safety, while structure is simple, reduces cost.
Description
Technical field
The present invention relates to real time monitoring fields, and in particular to a kind of lorry handling goods real-time monitoring based on electronic ruler
System and method.
Background technique
Lorry can be related to the clearing of operation cost, the formulation of standard and operation line due to the difference of DWCC dead weight cargo capacity
The planning for pulling out region (or handling goods shots) is divided on road.Meanwhile the goods behavior of exchanging goods of stealing of Freight Transport process is becoming increasingly rampant, so far
It has no idea to be able to solve the safety problem of cargo in this respect.Therefore, the weight information of vehicle how is easily and effectively obtained
It is the problem of fleet manager is paid close attention to the most.On the other hand, overloading wagon also results in a large amount of traffic accidents, to life
Safety causes casualties and huge economic loss there is also greatly threatening.
In the prior art, lorry requires manually to be counted and tied by driver or relevant staff to point handling goods
Calculation, the owner of cargo and carrier cannot accurately know the handling goods situation of cargo in real time；The load-carrying of lorry can only also pass through installation
Weighbridge on test point ground measures, and carries out whole weighing to lorry by supervisor, and weighbridge is due to cost
Installation cannot be arranged in height everywhere, and in the case where aging is used for a long time, there may be certain for testing result and actual weight
Error, meanwhile, because weighbridge needs to be fixedly mounted on ground, the load condition at current time can only be measured, other
When handling goods be not capable of measuring, cause measurement data it is not comprehensive enough, accurate, to supervision cause certain difficulty.
Summary of the invention
Based on this, in view of the above-mentioned problems, it is necessary to propose one kind can real-time monitoring truckload variation, to overload feelings
Condition and handling goods situation are acquired and count, and improve truckload and monitor accuracy；The centre-of gravity shift of lorry can be monitored again
Situation guarantees safety so that driver safety be reminded to drive, while structure is simple, reduces the lorry based on electronic ruler of cost
Load and unload goods real-time monitoring system and its method.
The present invention provides a kind of, and the lorry based on electronic ruler loads and unloads goods real-time monitoring system, and its technical solution is as follows:
A kind of lorry based on electronic ruler loads and unloads goods real-time monitoring system, including STM32 single-chip microcontroller, GPS positioning chip,
SIM900 communication module group, background data center and electronics rule displacement sensor, the STM32 single-chip microcontroller include RS485 interface,
First signal input part of IIC interface and SIM900 communication interface, the STM32 single-chip microcontroller passes through described in the connection of RS485 interface
The second signal input terminal of the signal output end of electronics rule displacement sensor, STM32 single-chip microcontroller passes through described in the connection of IIC interface
The signal output end of the signal output end of GPS positioning chip, STM32 single-chip microcontroller passes through described in the connection of SIM900 communication interface
The signal input part of SIM900 communication module group, the signal output end of SIM900 communication module group connect the letter of the background data center
Number input terminal.
In the technical scheme, electronics rule displacement sensor passes through the RS485 interface on STM32 single-chip microcontroller for sensing data
It is transferred to STM32 single-chip microcontroller, the real-time range for measuring compartment to axle；STM32 single-chip microcontroller connects GPS by IIC interface
Positioning chip, for obtaining lorry position information in real time；SIM900 communication interface connects SIM900 communication module group, and being used for will
The data information detected is packaged passback background data center in real time and is saved and analyzed, and background data center is according to these letters
Situations such as ceasing the load-carrying that can be understood in detail lorry during transportation, handling goods, inclination.
Preferably, the electronics rule displacement sensor at least two, electronics rule displacement sensor described at least two
It is symmetrically set in the bottom of boxcar.So that electronics rule displacement sensor is located at the top of two tires of lorry, can examine respectively
Vertical height and its height change of the compartment two sides from axle are measured, and then can accurately calculate truckload, and judge
The inclination conditions of lorry out.
Preferably, the bottom symmetrical in the compartment is set there are two bracket, is passed through between each bracket and the back axle of lorry
Supported by plate spring；Electronics rule displacement sensor described at least two is individually fixed on bracket, and each electronic ruler displacement sensing
Device passes through steel wire tow line and is wound around on the back axle of lorry.Electronics rule displacement sensor is separately fixed on lorry back axle
On the compartment bracket of side, the steel wire tow line of electronics rule displacement sensor is vertically fixed to lorry back axle two sides, when load-carrying, vehicle
Compartment pushes, and steel wire tow line band runner hub rotates, to obtain the distance of compartment pushing；And be between compartment and back axle by
Leaf spring is supported, therefore is in class linear relationship between truckload and the distance of compartment pushing, it is possible thereby to pass through calibration
Formula the distance that compartment pushes is conversed into lorry real-time load amount, according to the situation of change of loading capacity, in conjunction with GPS positioning
The location data that chip obtains judges that lorry loads and unloads goods situation in each warehouse；Realize the real-time monitoring to truckload situation,
And use is greatly facilitated while guaranteeing measurement accuracy, and structure is simple, at low cost, and it is applied widely, have and pushes away
Wide value.
The lorry handling goods real-time monitoring system that the present invention also provides a kind of using above-mentioned based on electronic ruler carries out lorry
The method for loading and unloading goods real-time monitoring, comprising the following steps:
A, by STM32 single-chip microcontroller every 20 seconds acquisition primary transducer data, while lorry current location information is obtained；
B, lorry real-time load information is obtained by calculation；
C, the lorry current location information and calculated lorry real-time load information package that will acquire are uploaded to rear number of units
It is recorded and is saved according to center.
In the technical scheme, the time that STM32 single-chip microcontroller obtains primary transducer data can voluntarily adjust according to demand,
And lorry real-time load information is obtained by calculating, meanwhile, STM32 single-chip microcontroller connects GPS positioning chip by IIC interface, leads to
It crosses related protocol and obtains lorry current location information, finally GPS positioning information and weight information are packaged and are uploaded to backstage in real time
Data center is recorded and is saved, and can understand lorry load-carrying during transportation, dress in detail according to these information from the background
Situations such as unloading, inclination；It improves to the reliability and convenience for carrying out weight detecting during lorry handling goods, reduces pair
The difficulty of lorry supervision, and weight detecting can be carried out at any time, multiple weight inspection can be carried out to the identical goods that same lorry is filled
It surveys, avoiding there is a possibility that error between testing result and actual weight, meanwhile, monitoring method is simple, substantially reduces artificial
Labour cost also improves the efficiency of detection.
Preferably, the step b the following steps are included:
B101, the sensing data obtained respectively by the electronics rule displacement sensor of compartment two sides, are calculated compartment
Vertical height H1 and H2 of the two sides from back axle, and take the average distance H of H1 and H2；
B102, the formula according to calibration obtain lorry real-time load amount W by average distance H conversion.
It is tested according to experiment, formula complies with standard quadratic function: loading capacity=k × distance value, according to the difference of vehicle, often
The k value of kind vehicle is different, and every kind of vehicle can use k=actual pay load/instantaneous distance value, carries out calibration confirmation；It is calculated with this
Lorry real-time load amount W out, on the one hand reduces testing result and a possibility that error occurs in actual weight, improves detection
Accuracy；On the other hand it realizes goods weight real-time detection anywhere or anytime, provides convenience for supervision of the cargo；It also drops simultaneously
The cost of low cost of labor and installation weighbridge.
Preferably, further comprising the steps of:
Judge the size of vertical height H1 and H2, if the difference of H1 and H2 is greater than 10% of maximum value in H1 and H2, sends out
The warning note of inclination of vehicle out.
Judge that the size of data of H1 and H2 represent vehicle and are in left-right balance state when H1 is approximately equal to H2 by the fact；
When difference is greater than 10%, indicate that lorry is currently in heeling condition, system alarm reminds driver's inclination of vehicle, takes care and drive
It sails；Improve the safety during Freight Transport.
The beneficial effects of the present invention are:
1, sensing data is transferred to STM32 single-chip microcontroller by electronics rule displacement sensor by the present invention, for measuring compartment
To the real-time range of axle；STM32 single-chip microcontroller connects GPS positioning chip by IIC interface, in place for obtaining lorry institute in real time
Confidence breath；SIM900 communication interface connects SIM900 communication module group, after the data information for will test is packaged passback in real time
Platform data center is saved and is analyzed, and background data center can understand in detail lorry during transportation according to these information
Load-carrying, handling goods, inclination situations such as.
2, electronics rule displacement sensor is separately fixed on the compartment bracket above lorry back axle by the present invention, electronic ruler
The steel wire tow line of displacement sensor is vertically fixed to lorry back axle two sides, and when load-carrying, compartment is pushed, steel wire tow line band driving wheel
Hub rotates, to obtain the distance of compartment pushing；And be supported by leaf spring between compartment and back axle, therefore lorry
It is in class linear relationship between the distance that loading capacity and compartment push, it is possible thereby to the distance for being pushed compartment by the formula of calibration
Lorry real-time load amount is conversed, is sentenced according to the situation of change of loading capacity in conjunction with the location data that GPS positioning chip obtains
Vehicle run out of goods in each warehouse handling goods situation；It realizes the real-time monitoring to truckload situation, and is guaranteeing measurement accuracy
Use is greatly facilitated simultaneously, structure is simple, at low cost, and it is applied widely, there is promotional value.
3, the present invention is improved to the reliability and convenience for carrying out weight detecting during lorry handling goods, is reduced pair
The difficulty of lorry supervision, and weight detecting can be carried out at any time, multiple weight inspection can be carried out to the identical goods that same lorry is filled
It surveys, avoiding there is a possibility that error between testing result and actual weight, meanwhile, monitoring method is simple, substantially reduces artificial
The cost of cost and installation weighbridge, also improves the efficiency of detection.
4, judge that the size of data of H1 and H2 represent vehicle and are in left-right balance shape when H1 is approximately equal to H2 by the fact
State；When difference is greater than 10%, indicate that lorry is currently in heeling condition, system alarm reminds driver's inclination of vehicle, pays attention to peace
It is complete to drive；Improve the safety during Freight Transport.
Detailed description of the invention
Fig. 1 is the functional block diagram of the lorry handling goods real-time monitoring system described in the embodiment of the present invention based on electronic ruler；
Fig. 2 is the mounting structure schematic diagram of electronics rule displacement sensor described in the embodiment of the present invention；
Fig. 3 is that the lorry handling goods real-time monitoring system described in the embodiment of the present invention based on electronic ruler carries out lorry handling goods
The flow chart of the method for real-time monitoring.
Description of symbols:
10-STM32 single-chip microcontroller；101-RS485 interface；102-IIC interface；103-SIM900 communication interface；20-GPS is fixed
Position chip；30-SIM900 communication module group；40- background data center；50- electronics rule displacement sensor；501- steel wire tow line；60-
Compartment；601- bracket；70- tire；701- back axle；702- leaf spring.
Specific embodiment
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1, a kind of lorry handling goods real-time monitoring system based on electronic ruler, including STM32 single-chip microcontroller 10,
GPS positioning chip 20, SIM900 communication module group 30, background data center 40 and electronics rule displacement sensor 50, the STM32 are mono-
Piece machine 10 include RS485 interface 101, IIC interface 102 and SIM900 communication interface 103, the first of the STM32 single-chip microcontroller 10
Signal input part connects the signal output end of the electronics rule displacement sensor 50, STM32 single-chip microcontroller by RS485 interface 101
10 second signal input terminal connects the signal output end of the GPS positioning chip 20, STM32 single-chip microcontroller by IIC interface 102
10 signal output end connects the signal input part of the SIM900 communication module group 30 by SIM900 communication interface 103,
The signal output end of SIM900 communication module group 30 connects the signal input part of the background data center 40.
In the present embodiment, electronics rule displacement sensor 50 will be passed by the RS485 interface 101 on STM32 single-chip microcontroller 10
Sense data are transferred to STM32 single-chip microcontroller 10, and the real-time range of axle is arrived for measuring compartment 60；STM32 single-chip microcontroller 10 passes through IIC
Interface 102 connects GPS positioning chip 20, for obtaining lorry position information in real time；SIM900 communication interface 103 connects
SIM900 communication module group 30, the data information for will test are packaged passback background data center 40 in real time and are saved and divided
Analysis, background data center 40 can understand load-carrying, handling goods, the inclination etc. of lorry during transportation according to these information in detail
Situation.
Embodiment 2
The present embodiment on the basis of embodiment 1, as shown in Fig. 2, the electronics rule displacement sensor 50 at least two,
Electronics rule displacement sensor 50 described at least two is symmetrically set in the bottom of boxcar 60.Make electronics rule displacement sensor 50
It is located at the top of two tires 70 of lorry, can detect that vertical height of 60 two sides of compartment from axle and its height become respectively
Change, and then can accurately calculate truckload, and judge the inclination conditions of lorry.
Embodiment 3
For the present embodiment on the basis of embodiment 2, as shown in Fig. 2, the bottom symmetrical in the compartment 60 is set, there are two brackets
601, it is supported between each bracket 601 and the back axle 701 of lorry by leaf spring 702；The displacement of electronic ruler described at least two
Sensor 50 is individually fixed on bracket 601, and each electronics rule displacement sensor 50 is wound around goods by steel wire tow line 501
On the back axle 701 of vehicle.Electronics rule displacement sensor 50 is separately fixed to 60 bracket of compartment of 701 top of lorry back axle
On 601, the steel wire tow line 501 of electronics rule displacement sensor 50 is vertically fixed to 701 two sides of lorry back axle, when load-carrying, vehicle
Compartment 60 pushes, and steel wire tow line 501 rotates with runner hub, to obtain the distance of the pushing of compartment 60；And compartment 60 and rear car
It is to be supported by leaf spring 702, therefore linearly closed between truckload and the distance of the pushing of compartment 60 in class between axis 701
System, it is possible thereby to the distance that compartment 60 pushes be conversed lorry real-time load amount by the formula of calibration, according to loading capacity
Situation of change judges that lorry loads and unloads goods situation in each warehouse in conjunction with the location data that GPS positioning chip 20 obtains；It realizes
To the real-time monitoring of truckload situation, and use is greatly facilitated while guaranteeing measurement accuracy, structure is simple,
It is at low cost, it is applied widely, there is promotional value.
Embodiment 4
The present embodiment is the method for embodiment 1, as shown in Figure 3, comprising the following steps:
A, by STM32 single-chip microcontroller 10 every 20 seconds acquisition primary transducer data, while lorry present bit confidence is obtained
Breath；
B, lorry real-time load information is obtained by calculation；
C, the lorry current location information and calculated lorry real-time load information package that will acquire are uploaded to rear number of units
It is recorded and is saved according to center 40.
In the present embodiment, the time that STM32 single-chip microcontroller 10 obtains primary transducer data can voluntarily adjust according to demand,
And lorry real-time load information is obtained by calculating, meanwhile, STM32 single-chip microcontroller 10 connects GPS positioning core by IIC interface 102
Piece 20 obtains lorry current location information by related protocol, is finally packaged GPS positioning information and weight information and uploads in real time
It is recorded and is saved to background data center 40, lorry can be understood in detail during transportation according to these information from the background
Situations such as load-carrying, handling goods, inclination；It improves to the reliability and convenience for carrying out weight detecting during lorry handling goods,
The difficulty to lorry supervision is reduced, and weight detecting can be carried out at any time, the identical goods that same lorry is filled can be carried out more
Secondary weight detecting, avoiding there is a possibility that error between testing result and actual weight, meanwhile, monitoring method is simple, significantly
Hand labor cost is reduced, the efficiency of detection is also improved.
Embodiment 5
The present embodiment be embodiment 1 method, on the basis of embodiment 4, as shown in figure 3, the step b include with
Lower step:
B101, the sensing data obtained respectively by the electronics rule displacement sensor 50 of 60 two sides of compartment, are calculated
Vertical height H1 and H2 of 60 two sides of compartment from back axle 701, and take the average distance H of H1 and H2；
B102, the formula according to calibration obtain lorry real-time load amount W by average distance H conversion.
It is tested according to experiment, formula complies with standard quadratic function: loading capacity=k × distance value, according to the difference of vehicle, often
The k value of kind vehicle is different, and every kind of vehicle can use k=actual pay load/instantaneous distance value, carries out calibration confirmation；It is calculated with this
Lorry real-time load amount W out, on the one hand reduces testing result and a possibility that error occurs in actual weight, improves detection
Accuracy；On the other hand it realizes goods weight real-time detection anywhere or anytime, provides convenience for supervision of the cargo；It also drops simultaneously
The cost of low cost of labor and installation weighbridge.
Embodiment 6
The present embodiment is the method for embodiment 1, on the basis of embodiment 5, as shown in figure 3, further comprising the steps of:
Judge the size of vertical height H1 and H2, if the difference of H1 and H2 is greater than 10% of maximum value in H1 and H2, sends out
The warning note of inclination of vehicle out.
Judge that the size of data of H1 and H2 represent vehicle and are in left-right balance state when H1 is approximately equal to H2 by the fact；
When difference is greater than 10%, indicate that lorry is currently in heeling condition, system alarm reminds driver's inclination of vehicle, takes care and drive
It sails；Improve the safety during Freight Transport.
A specific embodiment of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (6)
1. a kind of lorry based on electronic ruler loads and unloads goods real-time monitoring system, which is characterized in that fixed including STM32 single-chip microcontroller, GPS
Position chip, SIM900 communication module group, background data center and electronics rule displacement sensor, the STM32 single-chip microcontroller includes RS485
First signal input part of interface, IIC interface and SIM900 communication interface, the STM32 single-chip microcontroller is connected by RS485 interface
The second signal input terminal of the signal output end of the electronics rule displacement sensor, STM32 single-chip microcontroller connects institute by IIC interface
The signal output end of GPS positioning chip is stated, the signal output end of STM32 single-chip microcontroller passes through described in the connection of SIM900 communication interface
The signal input part of SIM900 communication module group, the signal output end of SIM900 communication module group connect the letter of the background data center
Number input terminal.
2. the lorry according to claim 1 based on electronic ruler loads and unloads goods real-time monitoring system, which is characterized in that the electricity
Sub- rule displacement sensor at least two, electronics rule displacement sensor described at least two are symmetrically set in the bottom of boxcar
Portion.
3. the lorry according to claim 2 based on electronic ruler loads and unloads goods real-time monitoring system, which is characterized in that the vehicle
The bottom symmetrical in compartment is set there are two bracket, passes through supported by plate spring between each bracket and the back axle of lorry；Described at least two
Electronics rule displacement sensor be individually fixed on bracket, and each electronics rule displacement sensor is wound around by steel wire tow line
On the back axle of lorry.
4. a kind of lorry handling goods real-time monitoring system using as described in claim any one of 1-3 based on electronic ruler carries out goods
The method of vehicle handling goods real-time monitoring, which comprises the following steps:
A, by STM32 single-chip microcontroller every 20 seconds acquisition primary transducer data, while lorry current location information is obtained；
B, lorry real-time load information is obtained by calculation；
C, the lorry current location information and calculated lorry real-time load information package that will acquire are uploaded in back-end data
The heart is recorded and is saved.
5. the method for lorry according to claim 4 handling goods real-time monitoring, which is characterized in that the step b include with
Lower step:
B101, the sensing data obtained respectively by the electronics rule displacement sensor of compartment two sides, are calculated compartment two sides
Vertical height H1 and H2 from back axle, and take the average distance H of H1 and H2；
B102, the formula according to calibration obtain lorry real-time load amount W by average distance H conversion.
6. the method for lorry handling goods real-time monitoring according to claim 5, which is characterized in that further comprising the steps of:
Judge the size of vertical height H1 and H2, if the difference of H1 and H2 is greater than 10% of maximum value in H1 and H2, issues vehicle
Inclined warning note.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811341750.XA CN109855713A (en) | 2018-11-12 | 2018-11-12 | Lorry handling goods real-time monitoring system and its method based on electronic ruler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811341750.XA CN109855713A (en) | 2018-11-12 | 2018-11-12 | Lorry handling goods real-time monitoring system and its method based on electronic ruler |
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| CN109855713A true CN109855713A (en) | 2019-06-07 |
Family
ID=66890018
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| CN201811341750.XA Pending CN109855713A (en) | 2018-11-12 | 2018-11-12 | Lorry handling goods real-time monitoring system and its method based on electronic ruler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111220248A (en) * | 2019-12-03 | 2020-06-02 | 恒大智慧科技有限公司 | Weight-based train overload detection method and device and readable storage medium |
| CN115139721A (en) * | 2022-09-06 | 2022-10-04 | 万向钱潮股份公司 | Loading vehicle carriage height adjusting method and device, electronic equipment and loading vehicle |
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