CN102853894A - Electronic scale, calibrating method and calibrating device thereof - Google Patents
Electronic scale, calibrating method and calibrating device thereof Download PDFInfo
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- CN102853894A CN102853894A CN2011101779936A CN201110177993A CN102853894A CN 102853894 A CN102853894 A CN 102853894A CN 2011101779936 A CN2011101779936 A CN 2011101779936A CN 201110177993 A CN201110177993 A CN 201110177993A CN 102853894 A CN102853894 A CN 102853894A
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Abstract
The invention discloses an electronic scale, and a calibrating method and a calibrating device thereof. The calibrating method includes the steps of acquiring time duration from starting time of the electronic scale to present time and acquiring environmental temperature by the aid of a temperature sensor arranged on the electronic scale; matching a corresponding calibration value in a prestored calibration list according to the acquired environmental temperature and the time duration; and calibrating weight data obtained by a weight sensor according to the obtained matched calibration value, wherein in the calibration list, each pair of environmental temperature and time duration value corresponds to a calibration value. During starting of the electronic scale, environmental temperature and the time duration from the starting time to the present time are acquired, the calibration value is matched in the prestored calibration list according to the acquired environmental temperature and the time duration, the data of the working weight sensor are calibrated according to the matched calibration value, the problem about low weighing accuracy caused by the environmental temperature is effectively solved, producing cost is reduced, no preheating is required, and working efficiency of the electronic scale is greatly improved.
Description
Technical field
The invention belongs to metering field, relate in particular to a kind of electronic scales and bearing calibration thereof and device.
Background technology
The electronic scales of prior art is because the variation of environment temperature can bring weigh inaccurate.When particularly environment temperature was near the ultimate temperature of electronic scales, the actual weighing value of electronic scales can be because the temperature reason produces drift, if drift surpasses the regulation of national standard, electronic scales will be judged as defective.
In addition, even if qualified electronic scales all will carry out preheating before carrying out weighing, after the temperature sensor of electronic scales enters steady-working state, could be so that the precision of weighing reaches requirement.But can not carry out the weighing action in warm, because under this state, the precision of electronic scales can't meet the demands, and this has reduced the work efficiency of electronic scales undoubtedly, brings great inconvenience for user's use.
To sum up, how solving because the problem that ambient temperature causes the weighing accuracy rate of electronic scales to reduce reduces production costs, improve the work efficiency of electronic scale, is one of direction of metering field research.
Summary of the invention
The object of the present invention is to provide a kind of electronic scales and bearing calibration thereof and device, be intended to solve because the problem that ambient temperature causes the weighing accuracy rate of electronic scales to reduce reduces production costs, improve the work efficiency of electronic scale.
The present invention is achieved in that a kind of bearing calibration of electronic scales, said method comprising the steps of:
Obtain described electronic scales from start to current time span, and obtain environment temperature by the temperature sensor that is arranged on the described electronic scales;
According to described environment temperature and time span, coupling obtains corresponding corrected value in pre-stored correction tabulation, in the described correction tabulation, and every a pair of ambient temperature value and time span value, corresponding corrected value;
According to the corrected value that matches the weight data that current weight sensor obtains is proofreaied and correct.
Wherein, after the step that the corrected value that described basis matches is proofreaied and correct the data of current weight sensor of working, described method is further comprising the steps of:
Judge that whether described electronic scales surpasses the ineffective time that sets in advance to current time span from start, if then stop the correction to described electronic scales.
Wherein, the described step of obtaining the on time of described electronic scales specifically comprises:
Obtain the on time of described electronic scales by the clock that is arranged on described electronic scales.
The present invention is achieved in that a kind of means for correcting of electronic scales, and described device comprises:
The environment temperature acquisition module is used for obtaining environment temperature by the temperature sensor that is arranged on the described electronic scales;
The on time acquisition module, be used for obtaining described electronic scales from start to current time span;
The corrected value matching module was used for according to described environment temperature and on time, mated corrected value in pre-stored correction tabulation;
Correction module is used for according to the corrected value that matches the data of current weight sensor of working being proofreaied and correct.
Wherein, described device also comprises:
Time judgment module was used for before the coupling corrected value, judged whether described electronic scales surpasses the ineffective time that sets in advance to current time span from start, if then stop described corrected value matching module coupling corrected value.
Wherein, described on time acquisition module obtains the on time of described electronic scales by the clock that is arranged on described electronic scales.
The present invention is achieved in that a kind of electronic scales, and described electronic scales comprises the means for correcting of an electronic scales, and described device comprises:
The environment temperature acquisition module is used for obtaining environment temperature by the temperature sensor that is arranged on the described electronic scales;
The on time acquisition module, be used for obtaining described electronic scales from start to current time span;
The corrected value matching module was used for according to described environment temperature and on time, mated corrected value in pre-stored correction tabulation;
Correction module is used for according to the corrected value that matches the data of current weight sensor of working being proofreaied and correct.
Wherein, described device also comprises:
Time judgment module was used for before the coupling corrected value, judged whether described electronic scales surpasses the ineffective time that sets in advance to current time span from start, if then stop described corrected value matching module coupling corrected value.
Wherein, described on time acquisition module obtains the on time of described electronic scales by the clock that is arranged on described electronic scales.
Among the present invention, in the electronic scales start process, obtain environment temperature and started shooting extremely current time span, according to the environment temperature of obtaining and time span, in pre-stored correction tabulation, mate corrected value, according to the corrected value that matches the data of current weight sensor of working are proofreaied and correct, obviously, the present invention has effectively solved because the problem that ambient temperature causes the weighing accuracy rate of electronic scales to reduce, can not change excessive so that electronic scales is defective because of environment temperature, greatly reduce production cost, and, owing to need not preheating, greatly improved the work efficiency of electronic scale.
Description of drawings
Fig. 1 is the process flow diagram of embodiment of the bearing calibration of electronic scales provided by the invention;
Fig. 2 is correction tabulation synoptic diagram provided by the invention;
Fig. 3 is the structural drawing of the means for correcting of electronic scales provided by the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is the process flow diagram according to the embodiment of the bearing calibration of electronic scales of the present invention.
In step S101, pre-stored described correction tabulation.
Wherein, see also Fig. 2, Fig. 2 is for proofreading and correct tabulation, in Fig. 2, each environment temperature and each have been started shooting all corresponding corrected values of extremely current time span such as 6 seconds on times, 10 ℃ of environment temperatures, then corresponding corrected value 0.07 restrains, and Fig. 2 only is used for illustrating correction tabulation of the present invention certainly, and more detailed correction tabulation repeats no more herein.
In step S102, obtain environment temperature by the temperature sensor that is arranged on the described electronic scales.
In step S103, obtain electronic scales from start to current time span.
The embodiment of the invention by the clock that is arranged on described electronic scales obtain described electronic scales from start to current time span, the mode of other acquisition time length can certainly be arranged, do not enumerate one by one herein.
In step S104, according to described environment temperature and time span, in pre-stored correction tabulation, mate corrected value.
In step S105, according to the corrected value that matches the data of current weight sensor of working are proofreaied and correct.
In step S106, generate the weight of current weighing object according to the data after proofreading and correct.
In specific implementation process, the present invention judges that also whether described electronic scales surpasses the ineffective time that sets in advance to current time span from start, for example one minute, if then stop the correction to described electronic scales.
Can be by tabling look-up or the various ways such as function calculation is realized to the bearing calibration of described electronic scales among the present invention.
In one embodiment of the invention, adopt lookup table mode that electronic scales is proofreaied and correct, by testing environment temperature and on time, the corresponding corrected value of coupling in pre-stored correction tabulation, wherein corrected value can on the occasion of or negative value, try to achieve electronic scale weighing value after the correction by the data phase Calais that corrected value and weight sensor are recorded.For example, when Chinese cabbage is carried out weighing, the unlocking electronic scale, recording environment temperature is 5 ℃, the electronic scales on time is 9 seconds, then according to correction tabulation shown in Figure 2, match corrected value and be 0.05 gram, according to 0.05 gram the data of the current Chinese cabbage that is recorded by weight sensor are proofreaied and correct, be about to data and the corrected value addition of the Chinese cabbage that weight sensor records, and then obtain the weight of Chinese cabbage, and then show correct electronic scale weighing value.Obviously, the present invention need not carry out the weight that preheating just can be obtained Chinese cabbage exactly to electronic scales.
In another embodiment of the invention, adopt the function calculation mode that electronic scales is proofreaied and correct, with environment temperature and the on time that detects, be input to and calculate to try to achieve correction coefficient in the default function, correction coefficient can be a ratio value, multiply each other to try to achieve electronic scale weighing value after the correction by the data that correction coefficient and weight sensor are recorded, for example correction coefficient is that 100% electronic scale weighing value remains unchanged, correction coefficient is that 102% electronic scale weighing value correction is 102% of detected value, correction coefficient is that 98% electronic scale weighing value correction is 98% of detected value, and correction coefficient adopts decimal also to be fine certainly.
Fig. 3 is the structural drawing according to the embodiment of the means for correcting of electronic scales provided by the invention.
Wherein, proofread and correct the 31 pre-stored described corrections tabulations of list storage module, wherein, in described correction tabulation, each environment temperature and homogeneous one a corresponding corrected value between each on time, concrete feelings are consulted Fig. 2.
Environment temperature acquisition module 32 obtains environment temperature by the temperature sensor that is arranged on the described electronic scales.
On time acquisition module 33 obtain described electronic scales from start to current time span.
Preferably, described on time acquisition module 33 obtains described time span by the clock that is arranged on described electronic scales.
Corrected value matching module 34 mates corrected value according to described environment temperature and time span in pre-stored correction tabulation.
Described device also comprises time judgment module 37, be used for before corrected value matching module 34 coupling corrected values, judge that whether described electronic scales surpasses the ineffective time that sets in advance to current time span from start, for example whether above 1 minute, if then stop described corrected value matching module 34 coupling corrected values.
The present invention also provides a kind of electronic scales, and described electronic scales comprises the means for correcting of electronic scales provided by the invention, in view of the means for correcting of described electronic scales in above existing detailed description, repeat no more herein.
Among the present invention, in the electronic scales start process, obtain environment temperature and from start to current time span, according to the environment temperature of obtaining and time span, in pre-stored correction tabulation, mate corrected value, according to the corrected value that matches the data of current weight sensor of working are proofreaied and correct, obviously, the present invention has effectively solved because the problem that ambient temperature causes the weighing accuracy rate of electronic scales to reduce, can not change excessive so that electronic scales is defective because of environment temperature, greatly reduce production cost, and, owing to need not preheating, greatly improved the work efficiency of electronic scale.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the bearing calibration of an electronic scales is characterized in that, said method comprising the steps of:
Obtain described electronic scales from start to current time span, and obtain environment temperature by the temperature sensor that is arranged on the described electronic scales;
According to described environment temperature and time span, coupling obtains corresponding corrected value in pre-stored correction tabulation, in the described correction tabulation, and every a pair of ambient temperature value and time span value, corresponding corrected value;
According to the corrected value that matches the weight data that current weight sensor obtains is proofreaied and correct.
2. the bearing calibration of electronic scales as claimed in claim 1 is characterized in that, before the step that the corrected value that described basis matches is proofreaied and correct the data of current weight sensor of working, described method is further comprising the steps of:
Judge that whether described electronic scales surpasses the ineffective time that sets in advance to current time span from start, if then stop the step that corrected value that described basis matches is proofreaied and correct the data of current weight sensor of working.
3. the bearing calibration of electronic scales as claimed in claim 1 is characterized in that, the described step of obtaining the on time of described electronic scales specifically comprises:
Obtain the on time of described electronic scales by the clock that is arranged on described electronic scales.
4. the means for correcting of an electronic scales is characterized in that, described device comprises:
The environment temperature acquisition module is used for obtaining environment temperature by the temperature sensor that is arranged on the described electronic scales;
The on time acquisition module, be used for obtaining described electronic scales from start to current time span;
The corrected value matching module was used for according to described environment temperature and on time, mated corrected value in pre-stored correction tabulation;
Correction module is used for according to the corrected value that matches the data of current weight sensor of working being proofreaied and correct.
5. the means for correcting of electronic scales as claimed in claim 4 is characterized in that, described device also comprises:
Time judgment module was used for before the coupling corrected value, judged whether described electronic scales surpasses the ineffective time that sets in advance to current time span from start, if then stop described corrected value matching module coupling corrected value.
6. the means for correcting of electronic scales as claimed in claim 4 is characterized in that, described on time acquisition module obtains the on time of described electronic scales by the clock that is arranged on described electronic scales.
7. an electronic scales is characterized in that, described electronic scales comprises the means for correcting of an electronic scales, and described device comprises:
The environment temperature acquisition module is used for obtaining environment temperature by the temperature sensor that is arranged on the described electronic scales;
The on time acquisition module, be used for obtaining described electronic scales from start to current time span;
The corrected value matching module was used for according to described environment temperature and on time, mated corrected value in pre-stored correction tabulation;
Correction module is used for according to the corrected value that matches the data of current weight sensor of working being proofreaied and correct.
8. electronic scales as claimed in claim 7 is characterized in that, described device also comprises:
Time judgment module was used for before the coupling corrected value, judged whether described electronic scales surpasses the ineffective time that sets in advance to current time span from start, if then stop described corrected value matching module coupling corrected value.
9. electronic scales as claimed in claim 7 is characterized in that, described on time acquisition module obtains the on time of described electronic scales by the clock that is arranged on described electronic scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101779936A CN102853894A (en) | 2011-06-28 | 2011-06-28 | Electronic scale, calibrating method and calibrating device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101779936A CN102853894A (en) | 2011-06-28 | 2011-06-28 | Electronic scale, calibrating method and calibrating device thereof |
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| CN102853894A true CN102853894A (en) | 2013-01-02 |
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| CN2011101779936A Pending CN102853894A (en) | 2011-06-28 | 2011-06-28 | Electronic scale, calibrating method and calibrating device thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105705916A (en) * | 2013-11-08 | 2016-06-22 | 赛多利斯实验室仪器有限责任两合公司 | Scale for calibrating the dropper |
| CN113554800A (en) * | 2021-04-02 | 2021-10-26 | 浙江星星冷链集成股份有限公司 | Weighing device and unmanned vending system |
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| JPH0244215A (en) * | 1988-08-03 | 1990-02-14 | Shimadzu Corp | Electronic balance |
| CN1049054A (en) * | 1989-07-24 | 1991-02-06 | 株式会社岛津制作所 | electronic scale |
| JP2801124B2 (en) * | 1993-04-28 | 1998-09-21 | 株式会社クボタ | Correction method for zero error of torque sensor |
| CN1643349A (en) * | 2002-03-18 | 2005-07-20 | 梅特勒-托莱多有限公司 | Modular force-measuring cell for a weighing scale, and weighing scale |
| CN1860353A (en) * | 2003-11-15 | 2006-11-08 | 扎托里乌斯股份公司 | Electronic weighing scales |
| JP4170804B2 (en) * | 2003-03-14 | 2008-10-22 | 大和製衡株式会社 | Weight signal compensator in weighing device |
| WO2011009957A1 (en) * | 2009-07-23 | 2011-01-27 | Mettler-Toledo Ag | Method for correcting the temperature of a force measuring apparatus and force measuring apparatus |
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2011
- 2011-06-28 CN CN2011101779936A patent/CN102853894A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0244215A (en) * | 1988-08-03 | 1990-02-14 | Shimadzu Corp | Electronic balance |
| CN1049054A (en) * | 1989-07-24 | 1991-02-06 | 株式会社岛津制作所 | electronic scale |
| JP2801124B2 (en) * | 1993-04-28 | 1998-09-21 | 株式会社クボタ | Correction method for zero error of torque sensor |
| CN1643349A (en) * | 2002-03-18 | 2005-07-20 | 梅特勒-托莱多有限公司 | Modular force-measuring cell for a weighing scale, and weighing scale |
| JP4170804B2 (en) * | 2003-03-14 | 2008-10-22 | 大和製衡株式会社 | Weight signal compensator in weighing device |
| CN1860353A (en) * | 2003-11-15 | 2006-11-08 | 扎托里乌斯股份公司 | Electronic weighing scales |
| WO2011009957A1 (en) * | 2009-07-23 | 2011-01-27 | Mettler-Toledo Ag | Method for correcting the temperature of a force measuring apparatus and force measuring apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105705916A (en) * | 2013-11-08 | 2016-06-22 | 赛多利斯实验室仪器有限责任两合公司 | Scale for calibrating the dropper |
| CN113554800A (en) * | 2021-04-02 | 2021-10-26 | 浙江星星冷链集成股份有限公司 | Weighing device and unmanned vending system |
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Application publication date: 20130102 |