CN106706097B - Dynamic weighing method and system - Google Patents
Dynamic weighing method and system Download PDFInfo
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- CN106706097B CN106706097B CN201611021308.XA CN201611021308A CN106706097B CN 106706097 B CN106706097 B CN 106706097B CN 201611021308 A CN201611021308 A CN 201611021308A CN 106706097 B CN106706097 B CN 106706097B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/03—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing during motion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
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Abstract
The present invention relates to a kind of dynamic weighing method and systems, this method comprises: acquisition vehicle rolls the deformation data of weighing platform during weighing platform, the deformation data is on the weighing platform by the deformation quantity of each position in vehicle roller compaction process；The exercise data of vehicle is acquired, the exercise data includes that vehicle rolls corresponding wheel position during weighing platform；According to the deformation data and the exercise data, calculates and roll weight when each wheels travel rolls position to feature, be denoted as feature and roll weight；Weight is rolled according to each feature of the wheel, calculates wheel weight, and vehicle total weight is determined according to each wheel weight.The present invention during determining complete vehicle weight without the concern for running speed, therefore compared with the existing technology in weighing system, the precision of measurement can be improved.
Description
Technical field
The present invention relates to weighing technology fields, more particularly, to a kind of dynamic weighing method and system.
Background technique
Extensive use with dynamic weighing system in the fields such as scientific and technological overload remediation and weight metering charging, the requirement to weighing-appliance
Also higher and higher, other than requiring certain weighing precision, it should also reduce construction period and construction volume, to road
Damage degree and follow-up maintenance work etc..Based on this, currently used dynamic weighing equipment is one for representative with piezoelectric quartz etc.
Body formula weighing sensor, i.e. scale body inherently weighing sensor.Using the dynamic weighing equipment of piezoelectric quartz weighing sensor,
Its core algorithm for taking turns re-computation is integral of pulse shape and the product with running speed, therefore in addition to waveform error, speed is calculated
Error directly affects axis weight precision.Weighing precision is improved as such equipment so how to reduce or even eliminate velocity error
Key.
Summary of the invention
For disadvantages described above, the present invention provides a kind of dynamic weighing method and system, and measurement accuracy can be improved.
In a first aspect, dynamic weighing method provided by the invention includes:
Acquisition vehicle rolls the deformation data of weighing platform during weighing platform, and the deformation data is that the weighing is flat
By the deformation quantity of each position in vehicle roller compaction process on platform；
The exercise data of vehicle is acquired, the exercise data includes that vehicle rolls corresponding wheel position during weighing platform
It sets；
According to the deformation data and the exercise data, rolling when each wheels travel rolls position to feature is calculated
Weight is denoted as feature and rolls weight；
Weight is rolled according to each feature of the wheel, calculates wheel weight, and vehicle is determined according to each wheel weight
Total weight；
Wherein, the feature rolls position as where wheel from traveling pre-determined distance every when starting to roll the weighing platform
Position.
Optionally, described according to the deformation data and the exercise data, it calculates each wheels travel and is rolled to feature
Weight is rolled when position, feature is denoted as and rolls weight, comprising:
According to the deformation data, at the time of determining that the wheel starts to roll the weighing platform, when being denoted as starting and rolling
It carves, starting described in the exercise data is rolled into moment corresponding wheel position as starting and rolls position；
Roll position according to the exercise data and starting, determine when the wheels travel rolls position to each feature when
It carves, and rolls the weighing gain of position according to the deformation quantity at the moment in deformation data and this feature, determine corresponding roll again
Amount, is denoted as feature and rolls weight, until the wheel sails out of the weighing platform；
Wherein, the weighing gain of different location is to roll weighing platform deformation quantity collected and wheel previously according to wheel
Weight is demarcated.
Optionally, each feature according to the wheel rolls weight, calculates wheel weight, and according to each wheel weight
It measures and determines vehicle total weight, comprising:
Each feature during weighing platform is rolled to the wheel roll weight and be weighted summation, obtain the wheel
Wheel weight, wherein the weight coefficient in weighting procedure is the parameter according to determined by the pre-determined distance；
It sums to each wheel weight, obtains the vehicle total weight of vehicle.
Optionally, the exercise data further includes the wheel contour information of vehicle, the method also includes:
According to the wheel contour information, the tire type of wheel is determined；
According to the tire type, weighing gain corresponding to position is rolled to each feature and is modified.
Optionally, the method also includes:
According to the exercise data, the wheels travel speed is determined, and/or, according to the wheel weight and vehicle of vehicle
Total weight, judges whether the vehicle overloads；
The wheels travel speed is shown to and/or is shown in the overload of vehicle overload mark.
Second aspect, dynamic weighing system provided by the invention include:
In by vehicle roller compaction process flexible deformation occurs for weighing platform；
The bottom of the weighing platform is arranged in strain transducer, rolls the weighing platform process for acquiring vehicle
The deformation data of middle weighing platform, the deformation data are that is produced from each position in by vehicle roller compaction process on the weighing platform
Raw deformation quantity；
Laser scanning device, the two sides in lane where the weighing platform is set, for acquiring the exercise data of vehicle,
The exercise data includes that vehicle rolls corresponding wheel position during weighing platform；
Data processing equipment is connect with the strain transducer and the laser scanning device, for according to the deformation
Data and the exercise data calculate and roll weight when each wheels travel rolls position to feature, are denoted as feature and roll weight
Amount；Weight is rolled according to each feature of the wheel, calculates wheel weight, and vehicle gross weight is determined according to each wheel weight
Amount；
Weighing display device, connect, for showing the vehicle total weight with the data processing equipment；
Wherein, the feature rolls position as where wheel from traveling pre-determined distance every when starting to roll the weighing platform
Position.
Optionally, each wheel is calculated according to the deformation data and the exercise data in the data processing equipment
It drives to and rolls weight when feature rolls position, be denoted as feature and roll weight, specifically include:
According to the deformation data, at the time of determining that the wheel starts to roll the weighing platform, when being denoted as starting and rolling
It carves, starting described in the exercise data is rolled into moment corresponding wheel position as starting and rolls position；
Roll position according to the exercise data and starting, determine when the wheels travel rolls position to each feature when
It carves, and rolls the weighing gain of position according to the deformation quantity at the moment in deformation data and this feature, determine corresponding roll again
Amount, is denoted as feature and rolls weight, until the wheel sails out of the weighing platform；
Wherein, the weighing gain of different location is to roll weighing platform deformation quantity collected and wheel previously according to wheel
Weight is demarcated.
Optionally, each feature in the data processing equipment according to the wheel rolls weight, calculates wheel weight, and
Vehicle total weight is determined according to each wheel weight, is specifically included:
Each feature during weighing platform is rolled to the wheel roll weight and be weighted summation, obtain the wheel
Wheel weight, wherein the weight coefficient in weighting procedure is the parameter according to determined by the pre-determined distance；
It sums to each wheel weight, obtains the vehicle total weight of vehicle.
Optionally, the weighing platform includes two elasticity weighing items in one line along lane width direction, the bullet
Property weighing item length be suitable for when vehicle rolls the weighing platform, two elasticity weighings and roll the weighing platform at items
Two wheels correspond.
Optionally, the system also includes platform fixed structures and/or grating to divide vehicle device, and the platform fixed structure is used
It is fixed in the weighing platform, the grating divides vehicle device to drive into the weighing platform for that will distinguish different vehicle
Dynamic weighing method provided by the invention and system are rolled by when each feature rolls position in wheel and calculate once
Feature rolls weight, then rolls weight in the feature that each feature rolls position according to the wheel, determines the weight of the wheel,
And then vehicle total weight is calculated according to each wheel weight.Without the concern for running speed during determining complete vehicle weight,
Therefore compared with the existing technology in weighing method, the precision of measurement can be improved.
Detailed description of the invention
In order to illustrate more clearly of the embodiment of the present disclosure or technical solution in the prior art, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Disclosed some embodiments for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these figures.
Fig. 1 shows the flow diagram of dynamic weighing method in one embodiment of the invention；
Fig. 2 (a)~2 (f) show in one embodiment of the invention vehicle in the process of moving wheel and elasticity weighing item it
Between position view；
Fig. 3 shows the structural schematic diagram of dynamic weighing system in one embodiment of the invention；
Fig. 4 shows the driving schematic diagram of vehicle in one embodiment of the invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present disclosure, the technical solution in the embodiment of the present disclosure is carried 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 disclosure, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the range of disclosure protection.
In a first aspect, the present invention provides a kind of dynamic weighing method, as shown in Figure 1, comprising:
S1, acquisition vehicle roll the deformation data of weighing platform during weighing platform, and the deformation data is the title
The deformation quantity generated on galassing platform by position each in vehicle roller compaction process；
S2, the exercise data for acquiring vehicle, the exercise data includes that vehicle rolls corresponding vehicle during weighing platform
Take turns position；
S3, according to the deformation data and the exercise data, calculate when each wheels travel rolls position to feature
Weight is rolled, feature is denoted as and rolls weight；
S4, it rolls weight according to each feature of the wheel, calculates wheel weight, and determined according to each wheel weight whole
Vehicle total weight；
Wherein, the feature rolls position as where wheel from traveling pre-determined distance every when starting to roll the weighing platform
Position.
Dynamic weighing method provided by the invention is rolled by when each feature rolls position in wheel and calculates a feature stone roller
Then ballast amount rolls weight in the feature that each feature rolls position according to the wheel, determines the weight of the wheel, Jin Ergen
Vehicle total weight is calculated according to each wheel weight.Without the concern for running speed during determining complete vehicle weight, therefore phase
For weighing method in the prior art, the precision of measurement can be improved.
In the specific implementation, each wheels travel is calculated to spy according to the deformation data and the exercise data in S3
Weight is rolled when sign rolls position, feature is denoted as and rolls weight, can specifically include:
S31, according to the deformation data, at the time of determining that the wheel starts to roll the weighing platform, be denoted as starting grind
The moment is pressed, starting described in the exercise data is rolled into moment corresponding wheel position as starting and rolls position；
S32, position is rolled according to the exercise data and starting, when determining that the wheels travel rolls position to each feature
At the time of, and the weighing gain of position is rolled according to the deformation quantity at the moment in deformation data and this feature, determine corresponding stone roller
Ballast amount is denoted as feature and rolls weight, until the wheel sails out of the weighing platform；
Wherein, the weighing gain of different location is to roll weighing platform deformation quantity collected and wheel previously according to wheel
Weight is demarcated.
The detailed process of weight is rolled here there is provided a kind of calculating feature, and calculating process is simple, Yi Shixian.
It will be appreciated that weighing gain is the wheel weight and strain sensing of a certain position during preparatory calibration
The ratio of device deformation quantity collected.As it can be seen that weighing gain here is that corresponding, different position of rolling may with position is rolled
With different weighing gains, such as when the center position below weighing platform is arranged in strain transducer, claiming at this time
The weighing gain of galassing edge of table and center position is then different.Certainly, if making stress concentration to weighing platform, and/
Or strain transducer is embedded in weighing platform, the two setting is structure as a whole, at this time on weighing platform at each position
Weighing gain is consistent.
It will be appreciated that starting to roll the process that weighing platform and wheel rear sail out of between weighing platform to be vehicle in wheel
Wheel rolls the process of weighing platform, in this course, demarcates according to the wheel position of the every traveling a distance of wheel and before
The weighing gain at each position obtained afterwards, can learn the weighing gain at the position, then according to the position at
The dependent variable that gain of weighing is acquired with the strain transducer at the position, can learn and roll weight at the position.According to
In this course each rolls weight, can obtain entire wheel total amount, finally obtain complete vehicle weight.
Wherein, according to the deformation data, determine that specific practice at the time of wheel starts to roll weighing platform can be with are as follows:
Sequentially in time, i.e. starting rolls the moment at the time of dependent variable of weighing platform is greater than 0 for the first time.Likewise, terminating to roll
At the time of moment is that the dependent variable of elasticity weighing item returns 0 for the first time.
In the specific implementation, due to calculate needed for data it is relatively more, for convenience of call and calculate, will it is identified respectively
A feature roll weight summation before, at the time of by corresponding to every traveling pre-determined distance, wheel position and it is described weighing put down
The deformation quantity of platform forms data packet, and the starting is rolled position to the end and rolls each data formed between position
Packet constitutes strain data collection.
For example, it is (x that the starting of vehicle, which rolls position,1,y1), corresponding starting rolls constantly as t1, corresponding to weigh
The deformation quantity of platform is S1, constitute data packet (t1,x1,y1,S01), wheel it is every traveling pre-determined distance after data packet recording be
(ti,xi,yi,Si), it is (t that the end of vehicle, which rolls the corresponding data packet recording in position,N,xN,yN,SN)。
Position (x is rolled according to feature in above-mentioned data packeti,yi), determine corresponding weighing gain Ki, then basis
Weigh gain KiWith characteristic strain data Si, by Gi=Ki·SiDetermine that currently rolls wheel corresponding to position rolls weight
Gi.And gain of weighing is demarcated to obtain with the relationship for rolling position by scale body in advance；Wheel rolls weight and refers to that wheel is rolling scale
During platform, at a time plays wheel and weighing platform coincides the weight of part, as shown in Fig. 2 (b), when rolling for front vehicle wheel
Weight is weight, that is, G of AA, similarly, the weight that weight is AB, i.e. G are rolled when front vehicle wheel shown in Fig. 2 (c)A+GB。
In the specific implementation, each feature in S4 according to the wheel rolls weight, calculates wheel weight, and according to each
Wheel weight determines vehicle total weight, can specifically include:
S41, each feature for rolling during weighing platform to the wheel roll weight and are weighted summation, obtain the vehicle
The wheel weight of wheel；
S42, it sums to each wheel weight, obtains the vehicle total weight of vehicle.
In the specific implementation, though pre-determined distance be it is how many, weight is rolled according to each feature in S41, calculates wheel weight
The formula for measuring G can be with are as follows:
Wherein, GiIndicate that the feature in moment i rolls weight, KiIndicate weighing gain corresponding when moment i, SiTable
Show that deformation quantity corresponding when characteristic time i, N indicate that feature rolls the number of weight, α indicates weighting coefficient, i.e. wheel weight
Correction factor, it is related with the extraction that wheel rolls position.
In the specific implementation, the pre-determined distance can be the half of the width of the weighing platform.With reference to Fig. 2 (a), vehicle
The leading edge of wheel just contacts weighing platform；With reference to Fig. 2 (b), the part A weighing platform of wheel, rolling weight is GA；With reference to Fig. 2
(c), the part A and part B of wheel roll weighing platform simultaneously, and rolling weight is GA+GB；With reference to Fig. 2 (d), the part B of wheel
Weighing platform item is rolled with C portion, rolling weight is GB+GC；With reference to Fig. 2 (e), the N section of wheel rolls weighing platform, rolls
Weight is GN；With reference to Fig. 2 (f), the rear of wheel leaves weighing platform.As can be seen that every part weight of wheel from each figure
Amount is calculated twice, therefore wheel weight is G=(GA+GA+GB+GB+GC+……+GN) * 1/2, it is seen that it is each at this time to roll weight
Carrying out weight coefficient α is 1/2, and the weight coefficient and pre-determined distance correspond, and such as pre-determined distance is weighing platform width
One third when, corresponding weight coefficient α is also 1/3.
In the specific implementation, the exercise data of acquisition can also include the wheel contour information of vehicle, provided by the invention
Dynamic weighing method can also include: to determine the tire type of wheel according to the wheel contour information；According to the tire class
Type rolls weighing gain K corresponding to position to each featureiIt is modified.
Wherein, so-called correct refers to that the weighing gain of different location is when rolling previously according to wheel to corresponding position
Strain transducer deformation quantity collected, wheel weight and tire type are demarcated.
Wherein it is possible to according to the location information of test point each on the wheel acquired in exercise data, such as coordinate,
To determine its profile, then by single twins profile difference, can judge to obtain the type of tire.In practice, weighing increases
Benefit may be related with tire type, this factor of tire type is considered when calculating rolls weight, is calculated with further increasing
Precision.
Certainly, the location information according to test point in different moments can also determine the travel speed of wheel, therefore this hair
The dynamic weighing method of bright offer can also include: to determine the wheels travel speed, and will according to the wheel contour information
The wheels travel speed is shown.
For example, the distance between some test point and laser scanning device are L on wheel, which sweeps with laser
The angle of line and driving direction between imaging apparatus is θ, and the position coordinates of the test point can be denoted as (xi, yi), wherein x=
Lsin θ, y=Lcos θ.According to the variation of the test point position coordinates, wheels travel speed can be obtained.
Certainly, in the specific implementation, the dynamic weighing method provided by the invention can also include: the vehicle according to vehicle
Weight and complete vehicle weight are taken turns, judges whether the vehicle overloads, overload mark is shown in the overload of vehicle.In this way, user
By weighing, display device can know whether vehicle overloads.
Second aspect, dynamic weighing system provided by the invention, as shown in Figure 3, comprising:
In by vehicle roller compaction process flexible deformation occurs for weighing platform；
The bottom of the weighing platform is arranged in strain transducer, rolls the weighing platform process for acquiring vehicle
The deformation data of middle weighing platform, the deformation data are that is produced from each position in by vehicle roller compaction process on the weighing platform
Raw deformation quantity；
Laser scanning device, the two sides in lane where the weighing platform is set, for acquiring the exercise data of vehicle,
The exercise data includes that vehicle rolls corresponding wheel position during weighing platform；
Data processing equipment is connect with the strain transducer and the laser scanning device, for according to the deformation
Data and the exercise data calculate and roll weight when each wheels travel rolls position to feature, are denoted as feature and roll weight
Amount；Weight is rolled according to each feature of the wheel, calculates wheel weight, and vehicle gross weight is determined according to each wheel weight
Amount；
Weighing display device, connect, for showing the vehicle total weight with the data processing equipment；
Wherein, the feature rolls position as where wheel from traveling pre-determined distance every when starting to roll the weighing platform
Position.
Dynamic weighing system provided by the invention is in addition to technical effect identical with dynamic weighing method provided by the invention
Outside, can also and it realize that primary vehicle of crossing repeatedly is weighed by the way that multiple sensors are arranged.Gain is ground multiplied by the registration of sensor
Ballast amount obtains wheel weight in turn, this is the process for the calculated weight of one of sensor；If weighing platform
The upper multiple sensors of setting, then each sensor can calculate a weight of the wheel by such process, then
All calculating wheel weights are averaged, final wheel weight is obtained, computational accuracy can be improved in this way, prevent from once calculating
Error it is excessive.
Optionally, each wheel is calculated according to the deformation data and the exercise data in the data processing equipment
It drives to and rolls weight when feature rolls position, be denoted as feature and roll weight, specifically include:
According to the deformation data, at the time of determining that the wheel starts to roll the weighing platform, when being denoted as starting and rolling
It carves, starting described in the exercise data is rolled into moment corresponding wheel position as starting and rolls position；
Roll position according to the exercise data and starting, determine when the wheels travel rolls position to each feature when
It carves, and rolls the weighing gain of position according to the deformation quantity at the moment in deformation data and this feature, determine corresponding roll again
Amount, is denoted as feature and rolls weight, until the wheel sails out of the weighing platform；
Wherein, the weighing gain of different location is to roll weighing platform deformation quantity collected and wheel previously according to wheel
Weight is demarcated.
Optionally, each feature in the data processing equipment according to the wheel rolls weight, calculates wheel weight, and
Vehicle total weight is determined according to each wheel weight, is specifically included:
Each feature during weighing platform is rolled to the wheel roll weight and be weighted summation, obtain the wheel
Wheel weight, wherein the weight coefficient in weighting procedure is the parameter according to determined by the pre-determined distance；
It sums to each wheel weight, obtains the vehicle total weight of vehicle.
In the specific implementation, as shown in figure 4, the weighing platform may include two in one line along lane width direction
Elasticity weighing item, it is described elasticity weighing item length be suitable for when vehicle rolls the weighing platform, two elasticity weighing items
It is corresponded with two wheels for rolling the weighing platform.
In the specific implementation, in order to guarantee the firm of weighing platform, a platform fixed structure can also be set, for symmetrical
Galassing platform is fixed.
In the specific implementation, a grating can also be set and divide vehicle device, drive into the weighing for different vehicle will to be distinguished
Platform.
In specification of the invention, numerous specific details are set forth.It is to be appreciated, however, that the embodiment of the present invention can be with
It practices without these specific details.In some instances, well known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this specification.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that；It still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of dynamic weighing method characterized by comprising
Acquisition vehicle rolls the deformation data of weighing platform during weighing platform, and the deformation data is on the weighing platform
By the deformation quantity of each position in vehicle roller compaction process；
The exercise data of vehicle is acquired, the exercise data includes that vehicle rolls corresponding wheel position during weighing platform；
According to the deformation data and the exercise data, calculates and roll weight when each wheels travel rolls position to feature
Amount, is denoted as feature and rolls weight；
Weight is rolled according to each feature of the wheel, calculates wheel weight, and vehicle gross weight is determined according to each wheel weight
Amount；
Wherein, it is the position where wheel from traveling pre-determined distance every when starting to roll the weighing platform that the feature, which rolls position,
It sets.
2. the method according to claim 1, wherein described according to the deformation data and the exercise data,
It calculates and rolls weight when each wheels travel rolls position to feature, be denoted as feature and roll weight, comprising:
According to the deformation data, at the time of determining that the wheel starts to roll the weighing platform, it is denoted as starting and rolls the moment, it will
Starting described in the exercise data rolls moment corresponding wheel position as starting and rolls position；
Position is rolled according to the exercise data and starting, at the time of determination when the wheels travel rolls position to each feature,
And the weighing gain of position is rolled according to the deformation quantity at the moment in deformation data and this feature, determine it is corresponding roll weight,
It is denoted as feature and rolls weight, until the wheel sails out of the weighing platform；
Wherein, the weighing gain of different location is to roll weighing platform deformation quantity collected and wheel weight previously according to wheel
It is demarcated.
3. method according to claim 1, which is characterized in that it is described that weight is rolled according to each feature of the wheel, it calculates
Wheel weight, and vehicle total weight is determined according to each wheel weight, comprising:
Each feature during weighing platform is rolled to the wheel roll weight and be weighted summation, obtain the wheel of the wheel
Weight, wherein the weight coefficient in weighting procedure is the parameter according to determined by the pre-determined distance；
It sums to each wheel weight, obtains the vehicle total weight of vehicle.
4. according to the method in claim 2 or 3, which is characterized in that the exercise data further includes the wheel contour of vehicle
Information, the method also includes:
According to the wheel contour information, the tire type of wheel is determined；
According to the tire type, weighing gain corresponding to position is rolled to each feature and is modified.
5. according to the method described in claim 4, it is characterized by further comprising:
According to the exercise data, the wheels travel speed is determined, and/or, according to the wheel weight of vehicle and vehicle gross weight
Amount, judges whether the vehicle overloads；
The wheels travel speed is shown to and/or is shown in the overload of vehicle overload mark.
6. a kind of dynamic weighing system characterized by comprising
In by vehicle roller compaction process flexible deformation occurs for weighing platform；
The bottom of the weighing platform is arranged in strain transducer, claims for acquiring during vehicle rolls the weighing platform
The deformation data of galassing platform, the deformation data are that each position generates in by vehicle roller compaction process on the weighing platform
Deformation quantity；
Laser scanning device, the two sides in lane where the weighing platform is arranged in are described for acquiring the exercise data of vehicle
Exercise data includes that vehicle rolls corresponding wheel position during weighing platform；
Data processing equipment is connect with the strain transducer and the laser scanning device, for according to the deformation data
With the exercise data, calculates and roll weight when each wheels travel rolls position to feature, be denoted as feature and roll weight；Root
Weight is rolled according to each feature of the wheel, calculates wheel weight, and vehicle total weight is determined according to each wheel weight；
Weighing display device, connect, for showing the vehicle total weight with the data processing equipment；
Wherein, it is the position where wheel from traveling pre-determined distance every when starting to roll the weighing platform that the feature, which rolls position,
It sets.
7. system according to claim 6, which is characterized in that in the data processing equipment according to the deformation data and
The exercise data calculates and rolls weight when each wheels travel rolls position to feature, is denoted as feature and rolls weight, specifically
Include:
According to the deformation data, at the time of determining that the wheel starts to roll the weighing platform, it is denoted as starting and rolls the moment, it will
Starting described in the exercise data rolls moment corresponding wheel position as starting and rolls position；
Position is rolled according to the exercise data and starting, at the time of determination when the wheels travel rolls position to each feature,
And the weighing gain of position is rolled according to the deformation quantity at the moment in deformation data and this feature, determine it is corresponding roll weight,
It is denoted as feature and rolls weight, until the wheel sails out of the weighing platform；
Wherein, the weighing gain of different location is to roll weighing platform deformation quantity collected and wheel weight previously according to wheel
It is demarcated.
8. system according to claim 6, which is characterized in that according to each spy of the wheel in the data processing equipment
Sign rolls weight, calculates wheel weight, and determine vehicle total weight according to each wheel weight, specifically includes:
Each feature during weighing platform is rolled to the wheel roll weight and be weighted summation, obtain the wheel of the wheel
Weight, wherein the weight coefficient in weighting procedure is the parameter according to determined by the pre-determined distance；
It sums to each wheel weight, obtains the vehicle total weight of vehicle.
9. system according to claim 6, which is characterized in that the weighing platform includes two along lane width direction one
The elasticity weighing item that word arranges, the length of the elasticity weighing item are suitable for two elasticity when vehicle rolls the weighing platform
Weighing item is corresponded with two wheels for rolling the weighing platform.
10. system according to claim 6, which is characterized in that further include that platform fixed structure and/or grating divide vehicle to fill
It sets, for the platform fixed structure for the weighing platform to be fixed, the grating divides vehicle device for that will distinguish difference
Vehicle drives into the weighing platform.
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| CN110060363A (en) * | 2019-04-16 | 2019-07-26 | 东南大学 | One kind counting weight wisdom charging system based on the highway lorry preliminary examination of " free traffic flow " mode |
| CN112444312B (en) * | 2019-08-30 | 2022-06-14 | 梅特勒-托利多(常州)测量技术有限公司 | Checkweigher |
| CN110823352B (en) * | 2019-11-21 | 2021-04-02 | 锐马（福建）电气制造有限公司 | Internet of things truck scale compensation system |
| CN111899526B (en) * | 2020-08-12 | 2021-10-08 | 上海电科市政工程有限公司 | Non-contact passive axle judgment system for electronic override |
| CN113124974B (en) * | 2021-04-20 | 2021-12-31 | 山东大学 | Vehicle overload detection method, system, storage medium and equipment |
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| JP2002202182A (en) * | 2000-12-28 | 2002-07-19 | National Traffic Safety & Environment Laboratory | Apparatus for measuring wheel weight of railroad vehicle and wheel weight measuring method using the same |
| CN101377433B (en) * | 2007-08-30 | 2012-11-21 | 北京佳讯飞鸿电气股份有限公司 | Method for measuring vehicle weight based on steel rail deformation / stress parameters |
| CN101619999B (en) * | 2009-08-04 | 2011-07-06 | 哈尔滨工业大学 | Composite material axle weight scale load recognition method based on strain measurement |
| CN102564547B (en) * | 2011-12-27 | 2014-12-24 | 罗煜 | Moving vehicle weighing device and weighing method thereof |
| CN104864949B (en) * | 2014-02-25 | 2017-09-15 | 北京因泰立科技有限公司 | A kind of dynamic weighting method for vehicle and device |
| CN103994809A (en) * | 2014-03-13 | 2014-08-20 | 王强 | Weigh-in-motion method of high-speed and dynamic automobile based on optical fiber grating |
| CN104457938A (en) * | 2014-12-03 | 2015-03-25 | 重庆市华驰交通科技有限公司 | Traffic detection method and system based on combination of contact technology and contactless technology |
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