CN105258779B - Electronic scale automatic calibrating method - Google Patents
Electronic scale automatic calibrating method Download PDFInfo
- Publication number
- CN105258779B CN105258779B CN201510736700.1A CN201510736700A CN105258779B CN 105258779 B CN105258779 B CN 105258779B CN 201510736700 A CN201510736700 A CN 201510736700A CN 105258779 B CN105258779 B CN 105258779B
- Authority
- CN
- China
- Prior art keywords
- electronic scale
- article
- sensor
- values
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005303 weighing Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a kind of electronic scale automatic calibrating method；It is multiple sections that it, which includes dividing maximum range, sensors A D values when gathering electronic scale zero load, sensors A D values when gathering electronic scale load article, judge whether section where article is calibrated, sensors A D values when gathering electronic scale load article and fixed counterweight, the linear coefficient of section where calculating article simultaneously marks the section to be calibrated, and the actual weight completion electronic scale for calculating article is calibrated automatically.Linear characteristic of the invention according to sensor, sensor is divided into the less section of multiple linearities, fixation counterweight by the use of known weight is used as object of reference, the linear coefficient of each section is calibrated by the AD values for gathering sensor in real time, so as to fulfill the automatic calibration to article actual weight.
Description
Technical field
The invention belongs to electronic scale field of measuring technique, more particularly to a kind of electronic scale automatic calibrating method.
Background technology
Electronic scale due to its wide range of measurement, high certainty of measurement, it is easy to operate the features such as, applied in our daily lifes
It is more and more extensive.Its figure can be seen in places such as the market of farm produce, market, supermarkets.In order to ensure the standard of electronic scale weighing
True property and authority, are required for carrying out proving operation when dispatching from the factory, but due to electronic scale physical characteristic in itself and sensor
The opering characteristic of electric apparatus, when using after a certain period of time, will result in the inaccuracy of weighing.In order to ensure its standard in use
True property, is mainly handled in the following ways at present：(1) when finding that electronic scale weighs inaccurate, electronic scale is sent back to factory
Family or authoritative institution carry out re-scaling calibration, will produce its extra charge in this way, stop over user time；(2) use
Family self-calibration, some electronic scales when dispatching from the factory, for the later stage demarcate conveniently, generally all leaves background process, user presses by producer
Oneself it can be demarcated according to handbook, this mode is undesirable, and user can carry out random modification calibration value,
Practise fraud；(3) software processing, some electronic scales optimize on software, for example use multiple averaging value in metering, or
Person carries out metering offset tracking, is the time retardation that can make metering inaccuracy in this way, but with usage time
It is more long, due to its device self character, it is inaccurate to still result in metering, it is impossible to tackle the problem at its root, and when offset
When greatly to a certain extent, software can not also be calibrated.
The content of the invention
The present invention goal of the invention be：In order to solve problem above, the present invention existing for electronic scale calibration in the prior art
Propose a kind of electronic scale automatic calibrating method.
The technical scheme is that：A kind of electronic scale automatic calibrating method, comprises the following steps：
A, the maximum range of electronic scale is divided into multiple sections；
The AD values of sensor when B, gathering electronic scale zero load；
C, article is placed on electronic scale, the AD values of sensor when collection electronic scale loads article；
D, judge whether section where article is calibrated；If section where article is calibrated, step G is carried out；If thing
Section where product is not calibrated, then carries out step E；
E, fixed counterweight is loaded to sensor, the AD values of sensor when collection electronic scale loads article and fixed counterweight；
F, the linear coefficient of section where calculating article, and it is calibrated to mark the section；
G, the actual weight of article is calculated, electronic scale is completed and calibrates automatically.
Further, the counterweight value of the fixed counterweight is more than the accuracy value of 10 times of electronic scales.
Further, the linear coefficient calculation formula of section is specially where the article：
Wherein, KkFor linear coefficient, WcFor the counterweight value of fixed counterweight, AcWhen loading article and fixed counterweight for electronic scale
The AD values of sensor, A0For the AD values of electronic scale sensor when unloaded.
Further, the calculation formula of the actual weight of the article is specially：
Wx=Kk(Ax-A0)
Wherein, WxFor the actual weight of article, AxThe AD values of sensor when loading article for electronic scale.
The beneficial effects of the invention are as follows：Sensor is divided into multiple linear by the present invention according to the linear characteristic of sensor
Less section is spent, by the use of the fixation counterweight of known weight as object of reference, by gathering the AD values of sensor in real time to each
The linear coefficient of a section is calibrated, and so as to fulfill the automatic calibration to article actual weight, substantially reduces electronic scale
Weighing error, improves the fairness of electronic scale, saves human cost.
Brief description of the drawings
Fig. 1 is the electronic scale automatic calibrating method flow diagram of the present invention.
Fig. 2 is Item Weight and the relation curve schematic diagram of sensors A D values in the embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
As shown in Figure 1, the electronic scale automatic calibrating method flow diagram for the present invention.A kind of electronic scale side of calibration automatically
Method, comprises the following steps：
A, the maximum range of electronic scale is divided into multiple sections；
The AD values of sensor when B, gathering electronic scale zero load；
C, article is placed on electronic scale, the AD values of sensor when collection electronic scale loads article；
D, judge whether section where article is calibrated；If section where article is calibrated, step G is carried out；If thing
Section where product is not calibrated, then carries out step E；
E, fixed counterweight is loaded to sensor, the AD values of sensor when collection electronic scale loads article and fixed counterweight；
F, the linear coefficient of section where calculating article, and it is calibrated to mark the section；
G, the actual weight of article is calculated, electronic scale is completed and calibrates automatically.
In step, according to the maximum range of electronic scale, multiple sections are divided into；The number of sections of division can be with
Set according to the different accuracy requirement of the linearity of sensor and different electronic scales；For the sensing that the linearity is larger
Device by the maximum range of electronic scale, it is necessary to be divided into greater number of section, to ensure that each section has less line
Property degree；For the less sensor of the linearity, the maximum range of electronic scale can be divided into small number of section, as long as full
Each section of foot has the less linearity.By being divided to the maximum range of electronic scale, it is ensured that pass
Sensor has the less linearity in each section, so as to reduce the weighing error of electronic scale.
In stepb, after electronic scale, which is started shooting, to be stablized, article is not placed so that electronic scale is in light condition, gathers this
When sensor AD values, be denoted as A0；Here the AD values of sensor refer to for analog quantity to be converted into the value after digital quantity.
In step C, article to be measured is placed on electronic scale so that electronic scale loads article to be measured, gathers this
When sensor AD values, be denoted as Ax。
In step D, in order to reduce delay when article weighs, electronic scale work efficiency is improved, the present invention judges to wait to claim
Whether section where measuring the weight of article had carried out calibration；If section where the weight of article has been carried out calibrating,
Step G is carried out, directly calculates the actual weight of article, avoids and the section is carried out to repeat calibration, save article and weigh institute
Take time；If section where the weight of article is not calibrated, need to calibrate the section, carry out step E.It is preferred that
Ground, due to that can change with the linearity of the change of time, sensor, causing the linear coefficient of each section can also send
Change, therefore calibration can be re-started to calibrated each section by setting calibration cycle according to different demands, from
And ensure to reduce the weighing error of electronic scale, improve the fairness of electronic scale.
In step E, in order to realize that section where the automatic weight for treating weighing article is calibrated, the present invention passes through biography
The fixation counterweight of known weight is loaded on the sensor for the electronic scale for being loaded with article to be measured by mechanism, that is, is caused
Electronic scale loads article and fixed counterweight at the same time, so that the work efficiency of electronic scale weighing is improved, the counterweight value of fixed counterweight
It is denoted as Wc；The AD values of sensor, are denoted as A when gathering electronic scale load article and fixed counterweight againc.Here driving mechanism is this
The common technology means of field technology personnel, the present invention do not repeat.
The selection rule of counterweight value of the fixation counterweight of the present invention is：Chosen according to the volume of electronic scale, if electronic scale
Volume it is bigger, space is more sufficient, can select the larger counterweight of counterweight value；Chosen according to electronic scale range, for big
The electronic scale of range is, it is necessary to select the larger counterweight of counterweight value；Chosen according to the accuracy value of electronic scale, the counterweight value of fixed counterweight
More than the accuracy value of 10 times of electronic scales.
In step F, the AD values A of the invention according to electronic scale sensor when unloaded0, electronic scale load article when sensor
AD values Ax, fixed counterweight counterweight value Wc, electronic scale load article and during fixed counterweight sensor AD values AcCalculate article institute
In the linear coefficient of section.Since sensor has the less linearity, formula can be obtained：
Wherein, WxFor the actual weight of article.
Deformation is carried out to above-mentioned formula can obtain article actual weight WxCalculation formula：
So as to obtain linear coefficient calculation formula：
Wherein, KkFor linear coefficient.
Due to electronic scale in the long-term use, it is bigger than normal or less than normal to be likely to result in electronic scale weighing, is embodied in
The AD values of sensor are bigger than normal than actual value or less than normal, therefore can obtain Item Weight according to the calculation formula of article actual weight
With the relation curve of sensors A D values, linear coefficient is the slope of curve.As shown in Fig. 2, it is Item Weight in the embodiment of the present invention
With the relation curve schematic diagram of sensors A D values, wherein, x-axis is sensors A D values, and y-axis is Item Weight；The linear system of curve b
Number is standard value, its respective sensor AD values are actual value, and the Item Weight weighed is the actual weight of article；Curve a
Linear coefficient it is bigger than standard, its respective sensor AD values are smaller than actual value, and the Item Weight weighed is also than the reality of article
Border weight is less than normal；The linear coefficient of curve c is smaller than standard value, its respective sensor AD values are bigger than actual value, the thing weighed
Product weight is also bigger than normal than the actual weight of article.
The linear coefficient of section according to where linear coefficient calculation formula can calculate article, and by the segment mark for
Calibration.
In step G, according to article actual weight WxCalculation formula and article where section linear coefficient KkCalculate public
Formula can be by actual weight WxCalculation formula be deformed into：
Wx=Kk(Ax-A0)
The actual weight of article can be calculated according to above-mentioned formula, is calibrated automatically so as to complete electronic scale.
Sensor is divided into the less section of multiple linearities by the present invention according to the linear characteristic of sensor；And utilize
The fixation counterweight of known weight is as object of reference, the AD values of sensor, electronic scale load during by gathering electronic scale zero load in real time
The AD values of sensor, treat and weigh article location when the AD values of sensor and electronic scale load article and fixed counterweight during article
The linear coefficient of section is calibrated, so as to fulfill the automatic calibration to article actual weight；In calibration cycle, in school
The article of quasi- section substantially increases the accuracy and work efficiency of electronic scale weighing without calibrating again.
Article required time is weighed in order to further less, in electronic scale for the first time in use, the present invention is opened in electronic scale
After machine is stablized so that electronic scale is in light condition；The fixation counterweight of known weight is loaded into by zero load by driving mechanism again
When electronic scale sensor on, and gather the AD values of sensor at this time；Whether the AD values for judging sensor at this time are fixed counterweight
Counterweight value；If the AD values of sensor are the counterweight values of fixed counterweight, illustrate that the error of electronic scale is smaller, it is not necessary to carry out school
Standard, directly can measure article；If the AD values of sensor are not the counterweight values of fixed counterweight, illustrate the mistake of electronic scale
Difference is larger, and, it is necessary to be calibrated to it, electronic scale automatic calibrating method that is, using the present invention calibrates electronic scale, so that
Realize the automatic calibration to article actual weight, the weighing error of electronic scale is substantially reduced, when saving needed for weighing article
Between, the fairness of electronic scale is improved, saves human cost.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such special statement and embodiment.This area
Those of ordinary skill these disclosed technical inspirations can make according to the present invention and various not depart from the other each of essence of the invention
The specific deformation of kind and combination, these deform and combine still within the scope of the present invention.
Claims (4)
1. a kind of electronic scale automatic calibrating method, it is characterised in that comprise the following steps：
A, the maximum range of electronic scale is divided into multiple sections；
The AD values of sensor when B, gathering electronic scale zero load；
C, article is placed on electronic scale, the AD values of sensor when collection electronic scale loads article；
D, judge whether section where article is calibrated；If section where article is calibrated, step G is carried out；If article institute
It is not calibrated in section, then carry out step E；
E, fixed counterweight is loaded to sensor, the AD values of sensor when collection electronic scale loads article and fixed counterweight；
F, the linear coefficient of section where calculating article, and it is calibrated to mark the section；
G, the actual weight of article is calculated, electronic scale is completed and calibrates automatically.
2. electronic scale automatic calibrating method as claimed in claim 1, it is characterised in that the counterweight value of the fixed counterweight is more than
The accuracy value of 10 times of electronic scales.
3. electronic scale automatic calibrating method as claimed in claim 2, it is characterised in that the linear system of section where the article
Counting calculation formula is specially：
<mrow>
<msub>
<mi>K</mi>
<mi>k</mi>
</msub>
<mo>=</mo>
<mfrac>
<msub>
<mi>W</mi>
<mi>c</mi>
</msub>
<mrow>
<msub>
<mi>A</mi>
<mi>c</mi>
</msub>
<mo>-</mo>
<msub>
<mi>A</mi>
<mi>x</mi>
</msub>
</mrow>
</mfrac>
</mrow>
Wherein, KkFor linear coefficient, WcFor the counterweight value of fixed counterweight, AcSensed when loading article and fixed counterweight for electronic scale
The AD values of device, AxThe AD values of sensor when loading article for electronic scale.
4. electronic scale automatic calibrating method as claimed in claim 3, it is characterised in that the calculating of the actual weight of the article
Formula is specially：
Wx=Kk(Ax-A0)
Wherein, WxFor the actual weight of article, AxThe AD values of sensor, A when loading article for electronic scale0For electronic scale it is unloaded when
The AD values of sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510736700.1A CN105258779B (en) | 2015-11-03 | 2015-11-03 | Electronic scale automatic calibrating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510736700.1A CN105258779B (en) | 2015-11-03 | 2015-11-03 | Electronic scale automatic calibrating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105258779A CN105258779A (en) | 2016-01-20 |
| CN105258779B true CN105258779B (en) | 2018-05-01 |
Family
ID=55098558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510736700.1A Active CN105258779B (en) | 2015-11-03 | 2015-11-03 | Electronic scale automatic calibrating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105258779B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907201A (en) * | 2017-10-30 | 2018-04-13 | 北京航天计量测试技术研究所 | A kind of electronic scale automatic Proofreading device |
| CN109341836B (en) * | 2018-10-31 | 2021-03-19 | 上海掌门科技有限公司 | A method and device for calibrating a weighing platform |
| CN110411550A (en) * | 2018-12-21 | 2019-11-05 | 西安新汇泽测控技术有限公司 | A kind of scaling method that lysimeter weighing system is new |
| CN109579963A (en) * | 2019-01-18 | 2019-04-05 | 深圳市计量质量检测研究院（国家高新技术计量站、国家数字电子产品质量监督检验中心） | Autonomous type weighing anti-cheating method and system |
| CN109916496B (en) * | 2019-04-11 | 2020-01-24 | 深圳市深信信息技术有限公司 | Monitoring method and system of electronic scale |
| CN110879097A (en) * | 2019-10-18 | 2020-03-13 | 南京信息工程大学滨江学院 | Portable scale and calibration method and measurement method thereof |
| CN112082634A (en) * | 2020-09-02 | 2020-12-15 | 谢凤兰 | Remote auxiliary calibration method for electronic scale |
| CN112763046B (en) * | 2020-12-31 | 2022-08-26 | 深圳市晨北科技有限公司 | Precision calibration method for electronic scale, related equipment and storage medium |
| CN113790791B (en) * | 2021-10-28 | 2024-05-31 | 深圳市道中创新科技有限公司 | Gravity sensor calibration method for gravity sales counter |
| CN114344806A (en) * | 2022-01-17 | 2022-04-15 | 上海电气智能康复医疗科技有限公司 | Weight calibration system and method and balance training equipment |
| CN114812760A (en) * | 2022-04-26 | 2022-07-29 | 山东金钟科技集团股份有限公司 | Double-output weighing sensor and manufacturing method thereof |
| CN115219009A (en) * | 2022-09-05 | 2022-10-21 | 深圳市晨北科技有限公司 | Zero correction method and device for electronic scale |
| CN115574915B (en) * | 2022-10-31 | 2025-08-19 | 郑州迪生仪器仪表有限公司 | Calibration method of neonatal scale |
| CN119214799A (en) * | 2024-09-13 | 2024-12-31 | 山东科技大学 | A bone-assisted identification system based on laminectomy robot |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1015022B (en) * | 1985-05-08 | 1991-12-04 | 株式会社岛津制作所 | Temp.-compensating arrangement of electron balance |
| JPH0652190B2 (en) * | 1989-07-24 | 1994-07-06 | 株式会社島津製作所 | Electronic balance |
| JP2513390B2 (en) * | 1992-06-30 | 1996-07-03 | 株式会社島津製作所 | Electronic balance |
| CN101650215B (en) * | 2008-08-11 | 2011-11-30 | 梅特勒-托利多仪器（上海）有限公司 | Method for calibrating measuring range of electronic balance |
-
2015
- 2015-11-03 CN CN201510736700.1A patent/CN105258779B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105258779A (en) | 2016-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105258779B (en) | Electronic scale automatic calibrating method | |
| CN105444860B (en) | A Measuring Method of Four-Channel Electronic Scale | |
| CN113701859B (en) | Weighing counting method, device, system, computer equipment and readable storage medium | |
| CN113607248B (en) | Hydraulic weighing method and hydraulic weighing device | |
| TWI692621B (en) | Electronic scale with correction function and correction method applied thereto | |
| CN103292888B (en) | A kind of demarcation protection mechanism of electronic scales | |
| CN106482868A (en) | Temperature difference calibration steps and its system | |
| JP5627261B2 (en) | Weighing device | |
| CN105466547A (en) | Implementation method for electronic scale requiring no calibration | |
| US20140150519A1 (en) | Electronic balance | |
| CN111238624A (en) | Object weight measuring method, weighing device and readable storage medium | |
| JPS62280624A (en) | Automatic adjusting method of high-sensitivity electronic balance | |
| CN110440893A (en) | Weight calibration method, device and weighing equipment | |
| CN113654723A (en) | Batch calibration method and system of pressure sensors and weighing cabinet | |
| KR20150043090A (en) | Electronic Power Meter and Method of Temperature Compensation Using the Same | |
| US11624648B2 (en) | Systems and methods for scale calibration | |
| CN108225399B (en) | Universal correction method for sensor system | |
| CN103251421A (en) | Method for determining of mass of patient through patient table and device having patient table | |
| CN113654722A (en) | Batch calibration method and system of pressure sensors and weighing cabinet | |
| CN104792464B (en) | A kind of revolving body barycenter method of testing | |
| CN104568087B (en) | Material control system | |
| JP3659852B2 (en) | Radiation measuring instrument | |
| CN203163864U (en) | Body weight scale with body mass index display function | |
| CN105466631A (en) | A method and device for calibrating an effective area of a piston of a piston type pressure gauge | |
| CN109297569A (en) | Method and device for calibrating fuel consumption meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |