CN106768233A - The implementation method of axis weight calculation and number of axle statistics is weighed in vehicle - Google Patents
The implementation method of axis weight calculation and number of axle statistics is weighed in vehicle Download PDFInfo
- Publication number
- CN106768233A CN106768233A CN201611167215.8A CN201611167215A CN106768233A CN 106768233 A CN106768233 A CN 106768233A CN 201611167215 A CN201611167215 A CN 201611167215A CN 106768233 A CN106768233 A CN 106768233A
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- Prior art keywords
- axle
- vehicle
- statistics
- axis
- weighed
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Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
- G01G23/38—Recording and/or coding devices specially adapted for weighing apparatus
- G01G23/42—Recording and/or coding devices specially adapted for weighing apparatus electrically operated
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of implementation method that axis weight calculation and number of axle statistics are weighed in vehicle, the method for processing weighing data for being related to the vehicle used on highway to weigh.For general highway vehicle Weighing system number axis and the inaccurate problem of single shaft weight, a kind of method for proposing new axle weight calculation and number of axle statistics.Using amplifier, axis signal is divided into two, using different multiplication factors, all the way for the weighing of single shaft axle weight, judged and statistics for the number of axle all the way.Effectively solve the problems, such as multiplication factor is chosen at contradiction in two-way application, improves the accuracy rate of number of axle measurement and the precision of complete vehicle weight measurement during vehicle is weighed.
Description
Technical field
The invention belongs to transport information field, the treatment side of the vehicle weighing data used on a kind of highway of proposition
Method.
Background technology
The meausring apparatus of highway vehicle weighing system is mainly made up of following part：Sensor, amplifier, A/D turn
Parallel operation, single-chip microcomputer etc..Weighing sensor is the core of weighing apparatus, and it converts gravitational force to electric signal, and sensor output signal is several
According to source.The signal of sensor amplified could need to be used.The signal of sensor output is amplified, becomes the electricity of 0~5V
Pressure signal output.Amplified signal is sent in A/D converter, converts analog signals into data signal.A/D converter is again
Data are transported in computer and are processed.Actually weigh during, we typically by car it is general be divided into cart and dolly two
Plant vehicle.The length of Wheel axle identifier is general shorter than the distance of two tires of vehicle, this ensures that theres most at any time
Tire on only one of which axle is in the state being weighed.When have vehicle pass through meausring apparatus when, each axle by that can show
One sinusoidal wave shape, we are exactly to judge the number of axle by way of such number waveform numbers.It is actual due to the presence of noise
Erroneous judgement occurs in operating process, we introduce a level as validation value, and this level should be than the waveform peak of noise
It is high.Meanwhile, this level should be smaller, no more than the minimum value of dolly single shaft weight, otherwise occurs in weighing cart and loses axle
Phenomenon.So, we introduce amplifier, and axis signal is amplified, so as to avoid the appearance of this contradiction.So, from this
Said in individual angle, multiplication factor should be as far as possible big.But in the weighing of single shaft weight, it is intended that by the electricity for adjusting amplifier
Position device changes gain so that output signal is exported close to full scale in the case of full heavy burden, but no more than A/D converter
Maximum range.So, to from the perspective of from this angle, multiplication factor again can not be excessive.In face of the problem of such a contradiction, I
Propose the processing method being divided into two, axis signal is divided into two-way, all the way using as far as possible big multiplication factor, for the number of axle
Statistics, all the way using relatively small multiplication factor, for single shaft weight calculation, which enhances the standard of number of axle measurement during vehicle is weighed
True rate and the precision of vehicle measurement.
The content of the invention
Axis weight calculation and the implementation method of number of axle statistics are weighed in vehicle it is an object of the invention to provide a kind of, is improve whole
The accuracy rate of number of axle measurement and the precision of vehicle measurement in car weighing.
The technical scheme is that：A kind of implementation method that axis weight calculation and number of axle statistics are weighed in vehicle, its feature
It is to utilize amplifier, axis signal is divided into two, all the way using as far as possible big multiplication factor, for number of axle statistics, axle is believed
Number peak value draw high, select level higher, real axis signal is different from noise signal as far as possible, prevent from occurring during number axis
Erroneous judgement；Another road use relatively small multiplication factor, for single shaft weight calculation so that cart full load output data through putting
Still, so as to cover the demand of weighing of all vehicles on highway, improve whole in the process range of A/D converter after big
The accuracy rate of number of axle measurement and the precision of vehicle measurement in car weighing.
Defect or deficiency that data processing for existing weighing system is present, the present invention use a kind of place being divided into two
Reason method, two-way is divided into by axis signal, all the way using as far as possible big multiplication factor, for number of axle statistics, all the way using relatively
Small multiplication factor, for single shaft weight calculation, makes the probability of number of axle accuracy of judgement and the precision of vehicle weighing results all lifted.
Brief description of the drawings
Fig. 1 is theory diagram of the invention.
Fig. 2 is the amplifier circuit figure of traditional number of axle statistics.
Fig. 3 is the amplifier circuit figure of traditional single shaft weight calculation.
Fig. 4 is weighing system amplifier circuit figure of the present invention.
Specific embodiment
As shown in Figure 1.The weighing system of this highway includes weighing sensor (weighting platform), the big portion of electronic circuit two
Point, as shown in Figure 1.The weight signal of vehicle is converted to weighing sensor (weighting platform) electric signal of simulation；Electronic circuitry part
Including：
Signal amplifying apparatus：Due to the analog electrical signal very little of weighing sensor output, amplifying device is by weighing and sensing
The analog electrical signal of device output is suitable to the voltage range of acquisition chip collection to reach by one-level or multistage amplification.Protecting
In the case of demonstrate,proving the number of axle accurately, the degree of accuracy of weighing results is improved.
Signal pickup assembly：Weighing-up wave after amplification is converted into data signal by analog signal, to facilitate at computing
Reason.
Signal processing apparatus：The data signal that will be collected is by a series of relevant information for being calculated the car.
Display device：Show the relevant information of vehicle.
Storage device：For storing the comparative quantity needed for calculation process, related parameter and information of vehicles.
Arthmetic statement and experimentation
(1) circuit diagram of number of axle statistics is as shown in Figure 2, it is known that R1=2k, R2=620k, R '=5M.According to INA326 chips
Characteristic understands that its multiplication factor computing formula is as follows：
G=2 (R2//R’)/R1Can obtain
G=551
By above-mentioned calculating, the multiplication factor of INA amplifiers is that the multiplication factor that 551, i.e. axle are counted again is 551.
(2) circuit diagram of single shaft weight calculation is as shown in Figure 3, it is known that R1=2k, R2=390k, R '=5M.According to INA326 chips
Characteristic understands that its multiplication factor computing formula is as follows：
G=2 (R2//R’)/R1Can obtain
G=360
By above-mentioned calculating, the multiplication factor of INA amplifiers is 360, i.e. the multiplication factor of single shaft weight calculation is 360.
In sum, larger amplifier gain is applied in number of axle statistics, it is to avoid the situation for judging and losing axle by accident occurs.
Less amplifier gain is applied in single shaft weight calculation, the precision of single shaft weight calculation is improved.The weight calculation mode greatly improves to weigh and is
The performance of system and expand the use category of the system.
Using the experimental comparison figure before and after this method
Before using this method, traditional weighing system amplifier circuit uses single gain amplifier, it is impossible to while meeting
The high-gain of number of axle statistics and the low gain demand of single shaft weight calculation.
As shown in figure 4, can simultaneously meet the high-gain and single shaft meter of number of axle statistics using the amplifier circuit after this method
The low gain demand of weight.
Claims (1)
1. the implementation method of axis weight calculation and number of axle statistics is weighed in vehicle, it is characterised in that amplifier is utilized, by axis signal one
It is divided into two, all the way using as far as possible big multiplication factor, for number of axle statistics, the peak value of axis signal is drawn high, selects electricity higher
It is flat, real axis signal is different from noise signal as far as possible, prevent erroneous judgement occur during number axis；Another road is using relatively small
Multiplication factor, for single shaft weight calculation so that cart is amplified still in the treatment of A/D converter in the output data of full load
In the range of, so as to cover the demand of weighing of all vehicles on highway, improve the accuracy rate of number of axle measurement during vehicle is weighed
The precision measured with vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167215.8A CN106768233A (en) | 2016-12-16 | 2016-12-16 | The implementation method of axis weight calculation and number of axle statistics is weighed in vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167215.8A CN106768233A (en) | 2016-12-16 | 2016-12-16 | The implementation method of axis weight calculation and number of axle statistics is weighed in vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106768233A true CN106768233A (en) | 2017-05-31 |
Family
ID=58891946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611167215.8A Pending CN106768233A (en) | 2016-12-16 | 2016-12-16 | The implementation method of axis weight calculation and number of axle statistics is weighed in vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106768233A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211442A (en) * | 2017-06-30 | 2019-01-15 | 精工爱普生株式会社 | Force checking device and robot |
| CN111060186A (en) * | 2019-12-04 | 2020-04-24 | 西安航天三沃机电设备有限责任公司 | Axle weight weighing and axle type identification method for narrow strip type weighing system |
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| CN205655904U (en) * | 2016-04-07 | 2016-10-19 | 杭州四方称重系统有限公司 | Automatic weighing apparatus of whole car formula developments road vehicle |
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| CN101603852A (en) * | 2008-11-25 | 2009-12-16 | 无锡虹业自动化工程有限公司 | Truck scale dynamic axle weighing system |
| CN101509804A (en) * | 2009-03-10 | 2009-08-19 | 宝鸡四维衡器有限公司 | High precision dynamic weighing method and high precision dynamic weighing instrument |
| CN101673418A (en) * | 2009-09-30 | 2010-03-17 | 江西赣粤高速公路股份有限公司 | Highway toll station dynamic weighting apparatus controlling and managing system |
| CN201897500U (en) * | 2010-11-19 | 2011-07-13 | 中国航天科技集团公司第四研究院第四十四研究所 | Weighing display controller for road vehicle weighing system |
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| CN203260072U (en) * | 2013-05-06 | 2013-10-30 | 华南理工大学 | Vehicle information detection and identification system under multiple-lane condition |
| CN103697981A (en) * | 2013-12-27 | 2014-04-02 | 陕西电器研究所 | Weighing data processing method of siamesed balance with double tables |
| CN204290943U (en) * | 2014-12-03 | 2015-04-22 | 杭州腾振科技有限公司 | The analog to digital conversion circuit of high dynamic range |
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| CN204807177U (en) * | 2015-07-09 | 2015-11-25 | 西安航天三沃机电设备有限责任公司 | Automatic weighing apparatus of combined type highway developments based on gross rail load on axle is weighed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109211442A (en) * | 2017-06-30 | 2019-01-15 | 精工爱普生株式会社 | Force checking device and robot |
| CN111060186A (en) * | 2019-12-04 | 2020-04-24 | 西安航天三沃机电设备有限责任公司 | Axle weight weighing and axle type identification method for narrow strip type weighing system |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171221 Address after: 710100 Shaanxi city in Xi'an province road space base flying Shangdi No. 588 Building No. 1 Applicant after: XI'AN AEROSPACE SANWO ELECTROMECHANICAL EQUIPMENT CO., LTD. Address before: Qingzhen District of Baqiao city of Xi'an province Shaanxi Hong Tian 710025 King Street No. 1. Applicant before: Shaanxi Institute of Electrical Appliance |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |