CN107525574A - A kind of intelligent weighing method based on precision calibration - Google Patents

A kind of intelligent weighing method based on precision calibration Download PDF

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Publication number
CN107525574A
CN107525574A CN201710570191.9A CN201710570191A CN107525574A CN 107525574 A CN107525574 A CN 107525574A CN 201710570191 A CN201710570191 A CN 201710570191A CN 107525574 A CN107525574 A CN 107525574A
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China
Prior art keywords
weight
target item
calibration
collection
working condition
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CN201710570191.9A
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Chinese (zh)
Inventor
陈先明
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Tongling Kettl Technology LLC
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Tongling Kettl Technology LLC
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Priority to CN201710570191.9A priority Critical patent/CN107525574A/en
Publication of CN107525574A publication Critical patent/CN107525574A/en
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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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)

Abstract

The invention discloses a kind of intelligent weighing method based on precision calibration, comprise the following steps：Respectively in t1、t2、t3……tnMoment gathers the weight of calibrating device, is designated as W1、W2、W3……Wn, and it is based on W1、W2、W3……WnCalculate calibration value We；Gather the initial weight W of target item0, and the initial weight W based on target item0Select the secondary weight W of different working condition collection target item00；Based on calibration value WeAnd the secondary weight W of target item00Calculate the actual weight W of target itemf.Intelligent weighing method proposed by the present invention based on precision calibration, the weight of calibrating device is being gathered at different moments first, and by multiple collection values compared with actual value and analysis draws calibration value, the calibration value can balance interference and influence of the change of external environment when at different moments on weight acquisition precision, by the optimization efficiency for improving the validity of calibration value to improve to final collection result, ensure the accuracy of final collection result.

Description

A kind of intelligent weighing method based on precision calibration
Technical field
The present invention relates to accuracy calibrating method technical field, more particularly to a kind of intelligent weighing side based on precision calibration Method.
Background technology
The weighing precision stability of weight sensor is the index of the overriding concern in weighing process, and its precision is not only direct Have impact on the collection result of sensor, and can to user to above-mentioned collection result further using impacting, therefore, such as What improves the problem of acquisition precision of the weight sensor in weighing process is one very crucial.Improving weight sensor In the method for acquisition precision, mainly its precision is adjusted from internal factor and extraneous factor, its internal factor is adjusted To be trouble, and it is not the work that professional can complete, therefore, the Weighing method of progress calibration proposed by the present invention will Extraneous factor carries out regulating error and compensation as adjustment basis to weighing process, so as to reduce extraneous factor to weighing process and The influence and interference of weighing results, improve the accuracy of weight sensor collection.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of intelligent weighing side based on precision calibration Method.
Intelligent weighing method proposed by the present invention based on precision calibration, comprises the following steps：
S1, respectively in t1、t2、t3……tnMoment gathers the weight of calibrating device, is designated as W1、W2、W3……Wn, and it is based on W1、 W2、W3……WnCalculate calibration value We；
S2, the initial weight W for gathering target item0, and the initial weight W based on target item0Select different working condition Gather the secondary weight W of target item00；
S3, based on calibration value WeAnd the secondary weight W of target item00Calculate the actual weight W of target itemf。
Preferably, in step S1, respectively in t1、t2、t3……tnThe weight of moment collection calibrating device specifically includes：
Using the weight of multiple acquisition modules collection calibrating device, multiple acquisition modules are respectively arranged on diverse location, and any Individual acquisition module includes multiple weight sensors, and the installation site of multiple weight sensors differs.
Preferably, in step S1, based on W1、W2、W3……WnCalculate calibration value WeSpecifically include：
Installed System Memory contains the actual weight W of calibrating devicew；
We=[W1+W2+W3+……+Wn-Wmax-Wmin-(n-2)Ww]/(n-2)；
Wherein, Wmax=MAX (W1, W2, W3……Wn), Wmin=MIN (W1, W2, W3……Wn)。
Preferably, in step S2, the initial weight W of target item is gathered0Specifically include：
Using the initial weight W of multiple Weight acquisition modules collection target item0, multiple Weight acquisition modules are respectively arranged on Diverse location, and any one Weight acquisition module includes multiple weight sensors, the installation site of multiple weight sensors is equal Differ.
Preferably, in step S2, the initial weight W based on target item0Select different working condition collection target item Secondary weight W00Specifically include：
The first gravimetric value W is preset with system1, the second gravimetric value W2, the 3rd gravimetric value W3；
System includes n Weighing module, is designated as M1、M2、M3……Mn；
Work as W0≤W1When, select the first working condition；
Work as W1<W0<W2When, select the second working condition；
Work as W0≥W1When, select the 3rd working condition；
Preferably, in the first operative state, system selects M1、M2、M3……MnWeighing module starts work, Under two working conditions, system selects M2jWeighing module starts work, and under the 3rd working condition, system selects M3iWeighing module Start work；
Wherein, 1≤i≤n/3 and i are integer, and 1≤j≤n/2 and j are integer.
Preferably, step S3 is specifically included：
Based on calibration value WeAnd the secondary weight W of target item00Calculate the actual weight W of target itemf, Wf=We+ W00。
Intelligent weighing method proposed by the present invention based on precision calibration, the weight of calibrating device is being gathered at different moments first Amount, and by multiple collection values compared with actual value and analysis draws calibration value, when the calibration value can balance at different moments Interference and influence of the change of external environment on weight acquisition precision, are improved to finally adopting by improving the validity of calibration value Collect the optimization efficiency of result, ensure the accuracy of final collection result.Further, it is different weight model in reduction weighing process The error enclosed influences, and this method first gathers the initial weight of target item, and divides target item according to above-mentioned initial weight Weight range, different working conditions is selected further according to above-mentioned weight range to gather the secondary weight of target item, wherein, The number for the Weighing module selected under different working conditions is different, and different are selected based on the weight range of target item Several Weighing modules carries out secondary Weight acquisition to target item, is advantageous to improve the precision of secondary Weight acquisition；It is finally based on Calibration value and secondary Weight acquisition value improve the accuracy of actual weight calculating come the actual weight for the article that sets objectives comprehensively And validity.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the intelligent weighing method based on precision calibration.
Embodiment
As shown in figure 1, Fig. 1 is a kind of intelligent weighing method based on precision calibration proposed by the present invention.
Reference picture 1, the intelligent weighing method proposed by the present invention based on precision calibration, comprises the following steps：
S1, respectively in t1、t2、t3……tnMoment gathers the weight of calibrating device, is designated as W1、W2、W3……Wn, process tool Body includes：
Using the weight of multiple acquisition modules collection calibrating device, multiple acquisition modules are respectively arranged on diverse location, can be never The weight of calibrating device is acquired with angle and diverse location, ensure that the comprehensive and reliability of collection result；It is and any Individual acquisition module includes multiple weight sensors, and the installation site of multiple weight sensors differs, and utilizes multiple weight Sensor can further improve the precision to calibrating device Weight acquisition, and multiple weight sensors can from different perspectives with different positions Put and the weight of calibrating device is acquired, further improve the accuracy of collection result.
And it is based on W1、W2、W3……WnCalculate calibration value We；The process specifically includes：
Installed System Memory contains the actual weight W of calibrating devicew；
We=[W1+W2+W3+……+Wn-Wmax-Wmin-(n-2)Ww]/(n-2)；
Wherein, Wmax=MAX (W1, W2, W3……Wn), Wmin=MIN (W1, W2, W3……Wn)。
The computational methods have abandoned greatest measure and minimum value in multiple collection values, utilize the numerical value and target of centre The average of the floating relation relative of the actual weight part of calibrating device is effectively improved the reasonability of calibration value formulation as calibration value And validity, be advantageous to improve final result validity；
By gathering the weight of same calibrating device at different moments, and based on multiple collection values compared with actual value Calibration value is drawn, efficiently avoid at different moments because environmental change influences caused by weighing process and weighing results, favorably In the reasonability for improving calibration value.
S2, the initial weight W for gathering target item0, the process specifically includes：
Using the initial weight W of multiple Weight acquisition modules collection target item0, multiple Weight acquisition modules are respectively arranged on Diverse location, and any one Weight acquisition module includes multiple weight sensors, the installation site of multiple weight sensors is equal Differ, the installation site of multiple weight sensors differs, and be can further improve using multiple weight sensors to target The precision of article initial weight collection, and multiple weight sensors can be from different perspectives with diverse location to the different positions of target item The weight put is acquired, and further improves the accuracy of collection result.
And the initial weight W based on target item0Select the secondary weight W of different working condition collection target item00；Should Process specifically includes：
The first gravimetric value W is preset with system1, the second gravimetric value W2, the 3rd gravimetric value W3；
System includes n Weighing module, is designated as M1、M2、M3……Mn；The installation site of the n Weighing module not phase Together, n Weighing module can be acquired with diverse location to the secondary weight of target item from different perspectives, be advantageous to ensure it The accuracy and reliability of secondary Weight acquisition.Further, any one Weighing module in the n Weighing module includes Multiple weight sensors, the installation site of multiple weight sensors differ, and the setting of multiple weight sensors further carries High acquisition precision, and the different installation sites of multiple sensors further ensure that the validity of collection result.
Work as W0≤W1When, show that the initial weight of target item is smaller, now select the first working condition；Due to object The weight of product is smaller, then the requirement of its precision to sensor is higher, from the first working condition be advantageous to improve to weight compared with The acquisition precision of small target item, in the first operative state, system select M1、M2、M3……MnWeighing module starts work Make；By improving acquisition precision and validity to target item weight from more Weighing module；
Work as W1<W0<W2When, show that the initial weight of target item is moderate, now select the second working condition；Compared to choosing With the article of the first working condition, the article of the second weight range selects the second work shape without excessive Weighing module State, in a second operative state, system select M2jWeighing module starts work, by reducing the Weighing module of work, not only may be used To ensure enough acquisition precisions, and the waste of resource can be reduced；
Work as W0≥W1When, show that the initial weight of target item is larger, now select the 3rd working condition；For weight compared with Big target item, the frequency that it is interfered in weighing process is relatively low, then from the 3rd working condition, in the 3rd work shape Under state, system selects M3iWeighing module starts work, above-mentioned M3iWeighing module can not only ensure enough acquisition precisions, and And the problem of wasting of resources caused by being worked from multiple Weighing modules can be avoided；
Wherein, 1≤i≤n/3 and i are integer, and 1≤j≤n/2 and j are integer.
S3, based on calibration value WeAnd the secondary weight W of target item00Calculate the actual weight W of target itemf。
Step S3 is specifically included：
Based on calibration value WeAnd the secondary weight W of target item00Calculate the actual weight W of target itemf, Wf=We+ W00。
The actual weight of target item, Ke Yiyou are calculated by the way that calibration value is attached in the secondary weight of target item Effect ground reduces influence of the various disturbing factors to final actual weight, improves the essence calculated the actual weight of target item comprehensively Degree and reasonability.
The intelligent weighing method based on precision calibration that present embodiment proposes, calibrating device is being gathered at different moments first Weight, and by multiple collection values compared with actual value and analysis draws calibration value, the calibration value can balance at different moments When external environment interference and influence of the change on weight acquisition precision, improved by improving the validity of calibration value to final The optimization efficiency of collection result, ensure the accuracy of final collection result.Further, it is different weight in reduction weighing process The error of scope influences, and this method first gathers the initial weight of target item, and divides target item according to above-mentioned initial weight Weight range, different working conditions is selected further according to above-mentioned weight range to gather the secondary weight of target item, its In, the number for the Weighing module selected under different working conditions is different, is selected not based on the weight range of target item Weighing module with number carries out secondary Weight acquisition to target item, is advantageous to improve the precision of secondary Weight acquisition；Finally Based on calibration value and secondary Weight acquisition value come the actual weight for the article that sets objectives, the standard of actual weight calculating is improved comprehensively True property and validity.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (6)

  1. A kind of 1. intelligent weighing method based on precision calibration, it is characterised in that comprise the following steps：
    S1, respectively in t1、t2、t3……tnMoment gathers the weight of calibrating device, is designated as W1、W2、W3……Wn, and it is based on W1、W2、 W3……WnCalculate calibration value We；
    S2, the initial weight W for gathering target item0, and the initial weight W based on target item0Select different working condition collection The secondary weight W of target item00；
    S3, based on calibration value WeAnd the secondary weight W of target item00Calculate the actual weight W of target itemf。
  2. 2. the intelligent weighing method according to claim 1 based on precision calibration, it is characterised in that in step S1, respectively In t1、t2、t3……tnThe weight of moment collection calibrating device specifically includes：
    Using the weight of multiple acquisition modules collection calibrating device, multiple acquisition modules are respectively arranged on diverse location, and any one is adopted Collection module includes multiple weight sensors, and the installation site of multiple weight sensors differs.
  3. 3. the intelligent weighing method according to claim 1 based on precision calibration, it is characterised in that in step S1, be based on W1、W2、W3……WnCalculate calibration value WeSpecifically include：
    Installed System Memory contains the actual weight W of calibrating devicew；
    We=[W1+W2+W3+……+Wn-Wmax-Wmin-(n-2)Ww]/(n-2)；
    Wherein, Wmax=MAX (W1, W2, W3……Wn), Wmin=MIN (W1, W2, W3……Wn)。
  4. 4. the intelligent weighing method according to claim 1 based on precision calibration, it is characterised in that in step S2, collection The initial weight W of target item0Specifically include：
    Using the initial weight W of multiple Weight acquisition modules collection target item0, multiple Weight acquisition modules are respectively arranged on difference Position, and any one Weight acquisition module includes multiple weight sensors, the installation sites of multiple weight sensors not phase Together.
  5. 5. the intelligent weighing method according to claim 1 based on precision calibration, it is characterised in that in step S2, be based on The initial weight W of target item0Select the secondary weight W of different working condition collection target item00Specifically include：
    The first gravimetric value W is preset with system1, the second gravimetric value W2, the 3rd gravimetric value W3；
    System includes n Weighing module, is designated as M1、M2、M3……Mn；
    Work as W0≤W1When, select the first working condition；
    Work as W1<W0<W2When, select the second working condition；
    Work as W0≥W1When, select the 3rd working condition；
    Preferably, in the first operative state, system selects M1、M2、M3……MnWeighing module starts work, in the second work Under state, system selects M2jWeighing module starts work, and under the 3rd working condition, system selects M3iWeighing module starts work Make；
    Wherein, 1≤i≤n/3 and i are integer, and 1≤j≤n/2 and j are integer.
  6. 6. the intelligent weighing method according to claim 1 based on precision calibration, it is characterised in that step S3 is specifically wrapped Include：
    Based on calibration value WeAnd the secondary weight W of target item00Calculate the actual weight W of target itemf, Wf=We+W00。
CN201710570191.9A 2017-07-13 2017-07-13 A kind of intelligent weighing method based on precision calibration Pending CN107525574A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101142465A (en) * 2005-06-07 2008-03-12 株式会社岛津制作所 Load cell-type electronic balance
CN202720043U (en) * 2012-07-25 2013-02-06 贵州省计量测试院 Weight automatic verification device
CN103292888A (en) * 2013-05-28 2013-09-11 北京农业信息技术研究中心 Calibration protecting mechanism of electronic scale
CN103852144A (en) * 2012-12-04 2014-06-11 梅特勒-托利多(常州)精密仪器有限公司 Weighing system with continuous weighing function and weighing method
CN105241537A (en) * 2015-09-17 2016-01-13 赛摩电气股份有限公司 Device and method for adjusting weighing precision stability of electronic belt scale

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101142465A (en) * 2005-06-07 2008-03-12 株式会社岛津制作所 Load cell-type electronic balance
CN202720043U (en) * 2012-07-25 2013-02-06 贵州省计量测试院 Weight automatic verification device
CN103852144A (en) * 2012-12-04 2014-06-11 梅特勒-托利多(常州)精密仪器有限公司 Weighing system with continuous weighing function and weighing method
CN103292888A (en) * 2013-05-28 2013-09-11 北京农业信息技术研究中心 Calibration protecting mechanism of electronic scale
CN105241537A (en) * 2015-09-17 2016-01-13 赛摩电气股份有限公司 Device and method for adjusting weighing precision stability of electronic belt scale

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
汪晶 等: "《林果生产技术（北方本）》", 30 April 2002 *
顾理敏 等: "《电子秤》", 31 October 1982 *

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