CN106124022A - A kind of method of Fast Calibration vehicle-mounted weighing system - Google Patents
A kind of method of Fast Calibration vehicle-mounted weighing system Download PDFInfo
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- CN106124022A CN106124022A CN201610795347.9A CN201610795347A CN106124022A CN 106124022 A CN106124022 A CN 106124022A CN 201610795347 A CN201610795347 A CN 201610795347A CN 106124022 A CN106124022 A CN 106124022A
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- sensor
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- wheel
- metering equipment
- weighing system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
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- General Physics & Mathematics (AREA)
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Abstract
A kind of method that the invention discloses Fast Calibration vehicle-mounted weighing system, use sensor acquisition axle weight, use wheel metering equipment collection wheel weight, vehicle loads Different Weight, by the output valve of sensor and wheel metering equipment is carried out quadratic fit, obtain calibration coefficient, and coefficient is write in processor, complete the Fast Calibration to vehicle-mounted weighing system, instant invention overcomes tradition and demarcate the defect wasted time and energy, improve demarcation efficiency and stated accuracy, there is the features such as demarcation flow process is simple, precision is high, low cost, efficient quick.Owing to loading position be there is no particular/special requirement in calibration process, therefore also can demarcate determining barycenter vehicle, such as bulk cement carrier, liquid tank car etc., applied widely.
Description
Technical field
The invention belongs to vehicle-mounted field of weighing, a kind of method being specifically related to Fast Calibration vehicle-mounted weighing system.
Background technology
Flourish along with highway transportation, the quantity of cargo vehicle sharply increases, and the overload problems of vehicle is following,
Overload of vehicle usually causes road traffic accident, casualties, substantially reduces the use longevity of the infrastructure such as highway, bridge
Life.Further, since overload transportation so that vehicles dynamic performance is affected, and has had a strong impact on vehicle borne safety, to state
Family and the people's lives and property bring safely serious infringement.To this, greatly develop vehicle-mounted weighing system and have become as one and become
Gesture, the subject matter that current vehicle-mounted weighing technology exists is that weighing data error is relatively big (typically 10%～20%), and uses
Poor stability, limits popularization and the use of vehicle-mounted weighing system.Traditional vehicle-mounted demarcation of weighing uses standard test weight or mark
Quasi-substitute, the method staking-out work amount is big, and the working cycle is long, once demarcates the weight that may repeatedly move several tons even tens tons
Code, needs many people to coordinate, and demarcation efficiency is low, is only suitable for the demarcation of small lot vehicle.For many special-purpose vehicles (as bulk cement carrier,
Liquid tank car etc.), owing to it determines barycenter characteristic, cause can not or being difficult to repeatedly adding of counterweight under different center of gravity or reference material
Carry, add demarcation difficulty or cannot demarcate at all.Therefore, there is obvious skill in traditional vehicle-mounted weighing system scaling method
Art defect, needs to improve.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that a kind of method of Fast Calibration vehicle-mounted weighing system, have
Quickly, efficiently, the feature such as accurately, it is adaptable to the demarcation of vehicle-mounted weighing system in high volume.
In order to achieve the above object, the present invention comprises the following steps:
Step one, is respectively mounted the sensor for gathering axle weight in the both sides of each axletree of vehicle；
Step 2, places the wheel metering equipment for gathering wheel load under each wheel of vehicle；
Step 3, by the output valve of sensor during computer acquisition vehicle zero load with wheel metering equipment；
Step 4, loads vehicle, after sensor is stable with the output valve of wheel metering equipment, passes through computer
Gather the output valve of sensor and wheel metering equipment, complete one-shot measurement；
Step 5, repeated several times step 4, obtain the output valve of some groups of sensors and wheel metering equipment；
Step 6, carries out quadratic fit to the output valve of the sensors of all groups with wheel metering equipment, show that each is taken turns
Relation between weight values and respective sensor output, and by obtained coefficient write processor, complete to vehicle-mounted weighing be
The demarcation of system.
Described sensor uses resistance strain type sensor, resistance-strain type digital sensor, capacitance type sensor, photoelectricity
One in formula sensor, displacement sensor, electromagnetic type sensor, voltage-type sensor.
In described step 2, first wheel metering equipment is placed on the ground according to vehicle dimension, then by storing cycle
Center at wheel metering equipment.
In described step 3 and step 4, computer acquisition for sensor output voltage value or the numeral after AD conversion
Wheel weight values corresponding to amount and sensor.
In described step 6, the output valve of the sensors of all groups with wheel metering equipment is carried out the concrete of quadratic fit
Method is as follows:
The first step, during vehicle zero load, is designated as n respectively by all the sensors output valve collected01、n02、n03、n04、
n05、……、n0i, wheel weight values corresponding for sensor is designated as m respectively01、m02、m03、m04、m05、……、m0i, wherein i is positive even
Number；
Second step, when vehicle carries out the loading of Different Weight several times, sensor output value is designated as nxi, wheel weight values is designated as
mxi, wherein x is positive integer, and i is positive even numbers；
3rd step, calculating each weight values of taking turns after every time loading peeling is mN=mxi-m0i；Sensor loads and is only output as nN
=nxi-n0i；
4th step, with clean output valve n of first sensor as abscissa, with peeling wheel weight values m as vertical coordinate, carries out two
Secondary matching, draws following relation: m=c12n+c11n+c10, wherein, c12、c11、c10It is the calibration coefficient of No. 1 sensor；
5th step, repeats the 4th step, calculates the calibration coefficient c that remaining sensor is correspondingx2、cx1、cx0。
In certain special cases, if only filling a sensor on vehicle some or multiple axle, only need to be corresponding by this axle
The output of two wheel load sums and sensor carry out quadratic fit, i.e. can obtain the calibration coefficient of this sensor, and write process
In device, thus complete the demarcation of vehicle-mounted weighing system.
Compared with prior art, the present invention uses sensor acquisition axle weight, uses wheel metering equipment collection wheel weight, at car
Load Different Weight on, by the output valve of sensor and wheel metering equipment is carried out quadratic fit, obtain calibration coefficient,
And coefficient is write in processor, complete the Fast Calibration to vehicle-mounted weighing system, instant invention overcomes tradition and demarcate time-consuming expense
The defect of power, improves demarcation efficiency and stated accuracy, has the spies such as demarcation flow process is simple, precision is high, low cost, efficient quick
Point.Owing to loading position be there is no particular/special requirement in calibration process, therefore also can demarcate, such as cementing tank determining barycenter vehicle
Car, liquid tank car etc., applied widely.
Accompanying drawing explanation
Fig. 1 is sensor mounting location and wheel metering equipment placement location top view in the embodiment of the present invention；
Fig. 2 is wheel metering equipment placement location front view in the embodiment of the present invention；
Wherein, the 1, first resistance strain type sensor, the 2, second resistance strain type sensor, the 3, the 3rd resistance-strain type passes
Sensor, the 4, the 4th resistance strain type sensor, the 5, the 5th resistance strain type sensor, the 6, the 6th resistance strain type sensor, 7,
First round metering equipment, 8, second takes turns metering equipment, and 9, third round metering equipment, 10, fourth round metering equipment,
11, the 5th taking turns metering equipment, the 12, the 6th takes turns metering equipment.
Detailed description of the invention
The present invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment:
See Fig. 1 and Fig. 2, as a example by three axle cars, be respectively mounted the first resistance strain type sensor at the two ends of three axles
1, the second resistance strain type sensor the 2, the 3rd resistance strain type sensor the 3, the 4th resistance strain type sensor the 4, the 5th resistance
Strain gauge transducer 5 and the 6th resistance strain type sensor 6, the corresponding first round metering of the first resistance strain type sensor 1 sets
Standby 7, the second resistance strain type sensor 2 correspondence second takes turns metering equipment 8, the 3rd resistance strain type sensor 3 the corresponding 3rd
Wheel metering equipment 9, the corresponding fourth round metering equipment 10 of the 4th resistance strain type sensor 4, the 5th resistance-strain type sensing
Metering equipment 11 taken turns by device 5 the corresponding 5th, and the 6th resistance strain type sensor 6 the corresponding 6th takes turns metering equipment 12.
Preferably, sensor use resistance strain type sensor, resistance-strain type digital sensor, capacitance type sensor,
One in electro-optical pickoff, displacement sensor, electromagnetic type sensor, voltage-type sensor
Demarcation specifically comprises the following steps that
1) select suitable area, determine wheel metering equipment placement location according to the three concrete sizes of axle car and place wheel restatement
Amount equipment；
2) empty wagons slowly travels to demarcating place, and is steadily parked on wheel metering equipment, it is ensured that wheel is positioned at wheel load
The center of measuring equipment, after sensor output is stable, records each and takes turns weight values and the voltage of respective sensor output
Value or the digital quantity after AD conversion, sensor 1～6 output is designated as n respectively01、n02、n03、n04、n05、n06, take turns weight values 7～12
It is designated as m respectively01、m02、m03、m04、m05、m06(data below number order is consistent with this)；
3) loading vehicle (known with loaded weight or till unrelated), after sensor output is stable, record is each
Individual sensor output voltage value or the wheel weight values of the digital quantity after AD conversion and correspondence, sensor output is designated as n11、n12、
n13、n14、n15、n16, wheel weight values is designated as m11、m12、m13、m14、m15、m16；
4) change loaded weight (unrelated with gravimetric value is increased or decreased), after sensor output is stable, records each and pass
The wheel weight values of sensor output voltage values or the digital quantity after AD conversion and correspondence, sensor output is designated as n21、n22、n23、
n24、n25、n26, wheel weight values is designated as m21、m22、m23、m24、m25、m26；
5) continue to change loaded weight (unrelated with weight is increased or decreased), repeat step 4, altogether 5～8 groups of data of record,
This sentences 6 groups of data instances.In addition to 3 groups gathered, remaining sensor output data is designated as n3i、n4i、n5i, remaining takes turns weight values
Data are designated as m3i、m4i、m5i(i=1,2,3,4,5,6)；
6) sensor to each wheel load and correspondence thereof exports and does quadratic fit, draws calibration coefficient, with sensor 1 and wheel
As a example by weighing 7, concrete grammar is as follows:
Load peeling trailing wheel weight values is every time:
m1=m11-m01
m2=m21-m01
m3=m31-m01
m4=m41-m01
m5=m51-m01
Sensor loads and is only output as:
n1=n11-n01
n2=n21-n01
n3=n31-n01
n4=n41-n01
n5=n51-n01
With clean output valve n of sensor as abscissa, with peeling wheel weight values m as vertical coordinate, carry out quadratic fit, draw as
Lower relation: m=c12n+c11n+c10
Wherein, c12、c11、c10It is the calibration coefficient of No. 1 sensor；
7) according to method shown in step 6, the calibration coefficient c that remaining 5 sensor is corresponding is calculatedx2、cx1、cx0(x=2,
3、4、5、6)；
8), in the calibration coefficient write vehicle-mounted weighing system processor that will obtain above, the mark of vehicle-mounted weighing system is completed
Fixed.
Claims (6)
1. the method for a Fast Calibration vehicle-mounted weighing system, it is characterised in that comprise the following steps:
Step one, is respectively mounted the sensor for gathering axle weight in the both sides of each axletree of vehicle；
Step 2, places the wheel metering equipment for gathering wheel load under each wheel of vehicle；
Step 3, by the output valve of sensor during computer acquisition vehicle zero load with wheel metering equipment；
Step 4, loads vehicle, after sensor is stable with the output valve of wheel metering equipment, passes through computer acquisition
Sensor and the output valve of wheel metering equipment, complete one-shot measurement；
Step 5, repeated several times step 4, obtain the output valve of some groups of sensors and wheel metering equipment；
Step 6, carries out quadratic fit to the output valve of the sensors of all groups with wheel metering equipment, show that each takes turns weight values
And the relation between respective sensor output, and by obtained coefficient write processor, complete vehicle-mounted weighing system
Demarcate.
The method of a kind of Fast Calibration vehicle-mounted weighing system the most according to claim 1, it is characterised in that described sensor
Resistance strain type sensor, resistance-strain type digital sensor, capacitance type sensor, electro-optical pickoff, displacement-type is used to pass
One in sensor, electromagnetic type sensor, voltage-type sensor.
The method of a kind of Fast Calibration vehicle-mounted weighing system the most according to claim 1, it is characterised in that described step 2
In, first wheel metering equipment is placed on the ground according to vehicle dimension, then by storing cycle in wheel metering equipment
Heart position.
The method of a kind of Fast Calibration vehicle-mounted weighing system the most according to claim 1, it is characterised in that described step 3
With in step 4, computer acquisition corresponding to sensor output voltage value or the digital quantity after AD conversion and sensor
Wheel weight values.
The method of a kind of Fast Calibration vehicle-mounted weighing system the most according to claim 1, it is characterised in that described step 6
In, as follows with the concrete grammar that the output valve of wheel metering equipment carries out quadratic fit to the sensors of all groups:
The first step, during vehicle zero load, is designated as n respectively by all the sensors output valve collected01、n02、n03、n04、n05、……、
n0i, wheel weight values corresponding for sensor is designated as m respectively01、m02、m03、m04、m05、……、m0i, wherein i is positive even numbers；
Second step, when vehicle carries out the loading of Different Weight several times, sensor output value is designated as nxi, wheel weight values is designated as mxi, its
Middle x is positive integer, and i is positive even numbers；
3rd step, calculating each weight values of taking turns after every time loading peeling is mN=mxi-m0i；Sensor loads and is only output as nN=
nxi-n0i；
4th step, with clean output valve n of first sensor as abscissa, with peeling wheel weight values m as vertical coordinate, carries out secondary plan
Close, draw following relation: m=c12n+c11n+c10, wherein, c12、c11、c10It is the calibration coefficient of No. 1 sensor；
5th step, repeats the 4th step, calculates the calibration coefficient c that remaining sensor is correspondingx2、cx1、cx0。
The method of a kind of Fast Calibration vehicle-mounted weighing system the most according to claim 1, it is characterised in that specific at some
In the case of, if only filling a sensor on vehicle some or multiple axle, only need to be by two corresponding for this axle wheel load sums and biography
Sensor output carries out quadratic fit, i.e. can obtain the calibration coefficient of this sensor, and write in processor, thus complete vehicle-mounted title
The demarcation of weight system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610795347.9A CN106124022A (en) | 2016-08-31 | 2016-08-31 | A kind of method of Fast Calibration vehicle-mounted weighing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610795347.9A CN106124022A (en) | 2016-08-31 | 2016-08-31 | A kind of method of Fast Calibration vehicle-mounted weighing system |
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| CN106124022A true CN106124022A (en) | 2016-11-16 |
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ID=57271678
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| CN201610795347.9A Pending CN106124022A (en) | 2016-08-31 | 2016-08-31 | A kind of method of Fast Calibration vehicle-mounted weighing system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727223A (en) * | 2017-09-21 | 2018-02-23 | 深圳市汉德网络科技有限公司 | A kind of computational methods of weighing apparatus load-carrying |
| CN107727210A (en) * | 2017-09-21 | 2018-02-23 | 深圳市汉德网络科技有限公司 | A kind of vehicle-mounted Weighing method of kitchen waste cart and system |
| CN109738049A (en) * | 2018-12-29 | 2019-05-10 | 南京畅物网络科技有限公司 | A method of calibration dynamic weighing precision |
| CN111157092A (en) * | 2020-01-02 | 2020-05-15 | 深圳市汉德网络科技有限公司 | Vehicle-mounted weighing automatic calibration method and computer readable storage medium |
| CN112816049A (en) * | 2020-12-28 | 2021-05-18 | 北京迈格威科技有限公司 | Unbalance loading detection method and device and carrying equipment |
| CN112816051A (en) * | 2020-12-28 | 2021-05-18 | 北京迈格威科技有限公司 | Sensor calibration method, weighing method and device and carrying equipment |
| CN114577318A (en) * | 2022-01-25 | 2022-06-03 | 常州纺织服装职业技术学院 | Vehicle-mounted weighing module and sensing method thereof |
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| US20090107207A1 (en) * | 2007-10-31 | 2009-04-30 | Nintendo Co., Ltd. | Weight applying unit for calibration and weight applying method for calibration |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727223A (en) * | 2017-09-21 | 2018-02-23 | 深圳市汉德网络科技有限公司 | A kind of computational methods of weighing apparatus load-carrying |
| CN107727210A (en) * | 2017-09-21 | 2018-02-23 | 深圳市汉德网络科技有限公司 | A kind of vehicle-mounted Weighing method of kitchen waste cart and system |
| CN107727210B (en) * | 2017-09-21 | 2019-06-04 | 深圳市汉德网络科技有限公司 | A kind of vehicle-mounted weighing method of kitchen waste cart and system |
| CN109738049A (en) * | 2018-12-29 | 2019-05-10 | 南京畅物网络科技有限公司 | A method of calibration dynamic weighing precision |
| CN109738049B (en) * | 2018-12-29 | 2020-11-06 | 南京畅物网络科技有限公司 | Method for calibrating dynamic weighing precision |
| CN111157092A (en) * | 2020-01-02 | 2020-05-15 | 深圳市汉德网络科技有限公司 | Vehicle-mounted weighing automatic calibration method and computer readable storage medium |
| CN112816049A (en) * | 2020-12-28 | 2021-05-18 | 北京迈格威科技有限公司 | Unbalance loading detection method and device and carrying equipment |
| CN112816051A (en) * | 2020-12-28 | 2021-05-18 | 北京迈格威科技有限公司 | Sensor calibration method, weighing method and device and carrying equipment |
| CN112816051B (en) * | 2020-12-28 | 2023-12-01 | 北京迈格威科技有限公司 | Sensor calibration method, weighing method, device and carrying equipment |
| CN114577318A (en) * | 2022-01-25 | 2022-06-03 | 常州纺织服装职业技术学院 | Vehicle-mounted weighing module and sensing method thereof |
| CN114577318B (en) * | 2022-01-25 | 2023-12-19 | 常州纺织服装职业技术学院 | Vehicle-mounted weighing module and sensing method thereof |
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Application publication date: 20161116 |