CN109916496B - Monitoring method and system of electronic scale - Google Patents
Monitoring method and system of electronic scale Download PDFInfo
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- CN109916496B CN109916496B CN201910290998.6A CN201910290998A CN109916496B CN 109916496 B CN109916496 B CN 109916496B CN 201910290998 A CN201910290998 A CN 201910290998A CN 109916496 B CN109916496 B CN 109916496B
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Abstract
The invention provides a method and a system for monitoring an electronic scale, wherein the method comprises the following steps: calibrating an electronic scale to obtain a calibration metering coefficient; acquiring a real-time metering coefficient of the electronic scale during weighing; comparing the real-time metering coefficient with the calibration metering coefficient to obtain an abnormal monitoring result of the electronic scale; wherein, the calibration metering coefficient is (calibration weighing AD value-peeling zero position AD value)/calibration weight; and the real-time metering coefficient is (real-time weighing AD value-peeling zero AD value)/real-time weight. The system comprises an acquisition unit, a storage unit and a control unit, wherein the acquisition unit is arranged in the electronic scale; a transmitting unit disposed in the electronic scale; the calculation unit is arranged in the electronic scale and the database and used for calculating and calculating a calibration metering coefficient and a real-time metering coefficient; and the comparison unit is arranged in the database and used for comparing the real-time metering coefficient with the calibration metering coefficient to obtain an abnormal monitoring result of the electronic scale. The invention can effectively realize the monitoring of the electronic scale and discover the abnormal condition of the electronic scale in time.
Description
Technical Field
The invention relates to the technical field of metering, in particular to a method and a system for monitoring an electronic scale.
Background
The electronic scale is widely applied to various industries such as commercial trade, industrial production, transportation and the like, is particularly used as a measuring instrument in farmer markets, supermarkets and other places, and has close relation with the livelihood. Due to the physical characteristics of the electronic scale and the electrical characteristics of the sensor, inaccurate weighing can occur if structural damage occurs after the electronic scale is used for a certain time. In addition, along with the continuous development of electronic technology, the situation that merchants modify electronic scales in an unauthorized manner in order to make profit appears, so that the electronic scales lack weight and are reduced by two is also caused. The electronic scale is used for weighing operation settlement, and the rights and interests of consumers are seriously influenced, so that how to effectively monitor the electronic scale and find out abnormal conditions of the electronic scale in time becomes a problem to be solved.
Disclosure of Invention
The invention aims to provide an electronic scale monitoring method and system, which can effectively realize the monitoring of an electronic scale and discover the abnormal condition of the electronic scale in time.
The technical scheme adopted by the invention is as follows:
a method for monitoring an electronic scale comprises the following steps:
calibrating an electronic scale to obtain a calibration metering coefficient;
acquiring a real-time metering coefficient of the electronic scale during weighing;
comparing the real-time metering coefficient with the calibration metering coefficient to obtain an abnormal monitoring result of the electronic scale;
wherein, the calibration metering coefficient is (calibration weighing AD value-peeling zero position AD value)/calibration weight; and the real-time metering coefficient is (real-time weighing AD value-peeling zero AD value)/real-time weight.
As a preferred scheme of the invention, the calibration metering coefficient is obtained by acquiring a calibration weighing AD value, a peeling zero position AD value and a calibration weight when the electronic scale calibrates, calculating the calibration metering coefficient, transmitting the calibration metering coefficient to a database, and recording the calibration metering coefficient by the database; the real-time metering coefficient is obtained by the electronic scale, namely, a real-time weighing AD value, a peeling zero position AD value and real-time weight during weighing are obtained and transmitted to the database, and the real-time metering coefficient is obtained through calculation of the database and recorded.
As a preferred aspect of the present invention, the calibrating the electronic scale to obtain the calibrated measurement coefficient is performed at the time of factory shipment and/or at the time of forced inspection.
As a preferred scheme of the present invention, the obtaining of the real-time metering factor of the electronic scale during weighing is to obtain the real-time metering factor of the electronic scale according to a preset frequency and/or obtain the real-time metering factor of the electronic scale according to a preset time.
As a preferred scheme of the invention, the step of acquiring the real-time metering coefficient of the electronic scale during weighing is to acquire the real-time metering coefficient of the electronic scale during each weighing.
As a preferred embodiment of the present invention, the comparing the real-time measurement coefficient and the calibrated measurement coefficient to obtain the abnormal monitoring result of the electronic scale is to obtain the abnormal monitoring result by calculating a ratio R between the real-time measurement coefficient and the calibrated measurement coefficient.
As a preferred scheme of the present invention, the anomaly monitoring result includes a normal condition, a mild early warning, a moderate early warning and a severe early warning;
wherein, when the ratio R of the real-time metering coefficient to the calibration metering coefficient satisfies 95% and R is less than or equal to 100%, the normal condition is judged,
judging the mild early warning when the ratio R satisfies that R < 95% is less than 90%;
when the ratio R satisfies that 80% and R < 90%, judging the ratio R is a moderate early warning;
and when the ratio R meets the condition that R is less than 80%, judging as a severe early warning.
As a preferable scheme of the present invention, the method for monitoring the electronic scale further includes transmitting the abnormality monitoring result to a supervision platform.
As a preferred scheme of the present invention, the method for monitoring the electronic scale further includes generating abnormal condition information when the occurrence rule of the abnormal monitoring result is determined to satisfy the preset rule.
Further, a system for monitoring electronic scales is provided, comprising:
the acquisition unit is arranged in the electronic scale and used for acquiring a calibration weighing AD value, a peeling zero AD value, a calibration weight, a real-time weighing AD value and a real-time weight of the electronic scale;
the transmitting unit is arranged in the electronic scale and used for transmitting the calibration metering coefficient, the real-time weighing AD value, the peeling zero position AD value and the real-time weight of the electronic scale to the database;
the calculating unit is arranged in the electronic scale and the database and used for calculating a calibration metering coefficient and a real-time metering coefficient according to the following calculation formula, wherein the calibration metering coefficient is (calibration weighing AD value-peeling zero AD value)/calibration weight; the real-time metering coefficient is (real-time weighing AD value-peeling zero position AD value)/real-time weight;
and the comparison unit is arranged in the database and used for comparing the real-time metering coefficient with the calibration metering coefficient to obtain an abnormal monitoring result of the electronic scale.
The technical scheme of the invention has the following advantages: the method for monitoring the electronic scale obtains an abnormal monitoring result of the electronic scale by obtaining a calibration metering coefficient of the electronic scale, and obtaining a real-time metering coefficient when the electronic scale is used for weighing and comparing the real-time metering coefficient with the calibration metering coefficient; like this, when structural damage appears in the electronic scale or when being tampered without permission by the merchant, the difference that real-time measurement coefficient and demarcation measurement coefficient appear can effectively react in unusual monitoring result to effectively realize the monitoring to the electronic scale through acquireing unusual monitoring result, can in time discover the abnormal conditions of electronic scale.
Drawings
FIG. 1 is a block diagram of a process for monitoring an electronic scale according to the present invention;
FIG. 2 is a schematic diagram illustrating the obtaining of a calibrated metrology factor provided by the present invention;
FIG. 3 is a schematic diagram of a real-time metric coefficient acquisition provided by the present invention;
fig. 4 is a block diagram of a monitoring system of an electronic scale according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is to be understood that the terminology used in the embodiments of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the above-described drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
It is noted that the following detailed description describes embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Example one
Referring to fig. 1, a flowchart of a method for monitoring an electronic scale according to an embodiment of the present invention is shown. As shown in fig. 1, the method for monitoring the electronic scale comprises the following steps:
calibrating an electronic scale to obtain a calibration metering coefficient;
acquiring a real-time metering coefficient of the electronic scale during weighing;
comparing the real-time metering coefficient with the calibration metering coefficient to obtain an abnormal monitoring result of the electronic scale;
wherein, the calibration metering coefficient is (calibration weighing AD value-peeling zero position AD value)/calibration weight; and the real-time metering coefficient is (real-time weighing AD value-peeling zero AD value)/real-time weight.
The method for monitoring the electronic scale obtains an abnormal monitoring result of the electronic scale by obtaining a calibration metering coefficient of the electronic scale, and obtaining a real-time metering coefficient when the electronic scale is used for weighing and comparing the real-time metering coefficient with the calibration metering coefficient; like this, when structural damage appears in the electronic scale or when being tampered without permission by the merchant, the difference that real-time measurement coefficient and demarcation measurement coefficient appear can effectively react in unusual monitoring result to effectively realize the monitoring to the electronic scale through acquireing unusual monitoring result, can in time discover the abnormal conditions of electronic scale. It should be noted that the calibration weighing AD value, the peeling zero AD value, and the real-time weighing AD value used for calculating the calibration measurement coefficient and the real-time measurement coefficient are output data of the electronic scale weight conversion module, which is the content of the prior art and will not be described in detail herein.
Specifically, in this embodiment, calibrating the electronic scale to obtain the calibrated metering coefficient may be calibrating at the time of factory shipment, that is, obtaining the calibrated metering coefficient and recording the calibrated metering coefficient in the database at the time of factory calibration of the electronic scale. Therefore, the calibration metering coefficient is determined before being provided for the merchant, and the accuracy of the calibration metering coefficient can be effectively ensured. As shown in fig. 2, when obtaining the calibration measurement coefficient when the electronic scale is factory calibrated, the electronic scale may first obtain the skinning zero position AD value by zero position calibration, and obtain the calibration weighing AD value by setting a certain calibration weight and performing calibration at any point under the condition of known calibration weight, where the calibration weight may be any known value, and then obtain the calibration measurement coefficient by calculating the skinning zero position AD, the calibration weight, and the calibration weighing AD value according to the following formula: the calibration measurement coefficient is (calibration weighing AD value-peeling zero position AD value)/calibration weight; and then transmitting the calibration metering coefficient to a database and recording the calibration metering coefficient by the database.
In another embodiment, the calibration of the electronic scale to obtain the calibrated metering coefficient may be performed during a forced inspection, that is, when the electronic scale is provided to a merchant after being shipped from a factory, a supervision authority performs calibration during the forced inspection of the electronic scale to obtain the calibrated metering coefficient. Of course, in another embodiment, the calibration of the electronic scale to obtain the calibrated measurement coefficient may be performed at the time of factory shipment or at the time of forced inspection, that is, under the condition that the calibration has been performed at the time of factory shipment, the calibration is performed at the time of forced inspection to implement recheck, and at this time, the calibrated measurement coefficient determined at the time of forced inspection is used as the standard, so that the accuracy of the calibrated measurement coefficient is effectively ensured.
Specifically, in this embodiment, as shown in fig. 3, the real-time measurement coefficient of the electronic scale during weighing may be obtained by obtaining a real-time weighing AD value under an actual weighing weight, and then transmitting the real-time weighing AD value, the peeling zero AD value, and the real-time weighing AD value to the database, and the database calculates the real-time measurement coefficient according to the following formula: the real-time weighing coefficient (real-time weighing AD value-peeling zero AD value)/real-time weight, where the real-time weight refers to the display weight of the electronic scale. It should be noted that, in order to ensure the accuracy of the real-time weighing AD value, the method further includes zero setting calculation of the electronic scale, that is, the real-time AD value during empty weighing is obtained as the empty weighing AD value, and a difference value between the empty weighing AD value and the peeling zero position AD value is calculated, and the difference value is subtracted from the real-time AD value obtained during weighing to obtain the real-time weighing AD value. It should be noted that, because the peeling zero position AD value is determined by zero position calibration during calibration, calculation is performed according to the previously determined peeling zero position AD value during weighing, where the peeling zero position AD value is stored in the electronic scale.
More specifically, in this embodiment, the real-time measurement coefficient of the electronic scale during weighing can be obtained by obtaining the real-time measurement coefficient of the electronic scale during weighing each time, so that whether the electronic scale is abnormal during weighing each time can be recorded, and the real-time measurement coefficient can be used for comparing with a calibration measurement coefficient, so that the electronic scale is monitored during weighing each time, and the real-time effectiveness of monitoring the electronic scale is effectively guaranteed.
In another embodiment, in consideration of the frequency of the electronic scale during the use, the real-time metering coefficient of the electronic scale may be obtained according to a preset frequency, for example, the real-time metering coefficient may be obtained every N times of weighing, where N may be 3 or 5, and the like, and the value of N may be set according to actual needs, for example, determined according to the use frequency of the electronic scale by percentage, so as to reduce the data volume of the real-time metering coefficient transmitted to the database and ensure smooth transaction; the method is certainly suitable for specific application conditions, and can also be used for weighing every N times to obtain a plurality of real-time metering coefficients. In another embodiment, the real-time metering coefficient of the electronic scale may be obtained according to a preset time, for example, the real-time metering coefficient may be obtained every X hours, where the real-time metering coefficient may be obtained every day or every hour, or the like, and of course, a plurality of real-time metering coefficients may also be obtained every X hours; of course, if the weighing operation does not occur within the preset time, the corresponding real-time metering coefficient cannot be obtained, and if the weighing operation occurs for multiple times within the preset time, the weighing coefficient is only obtained once, so that the effectiveness and timeliness of monitoring the electronic scale can be effectively ensured. Of course, in another embodiment, the real-time metering factor of the electronic scale may be obtained according to a combination of a preset frequency and a preset time, for example, the real-time metering factor may be obtained every N times of weighing within every X hours.
More specifically, in this embodiment, the comparing the real-time metering coefficient and the calibrated metering coefficient to obtain the abnormal monitoring result of the electronic scale is to obtain the abnormal monitoring result by calculating a ratio R of the real-time metering coefficient and the calibrated metering coefficient; the abnormity monitoring results comprise normal conditions, light early warning, moderate early warning and heavy early warning, wherein when the ratio R of the real-time metering coefficient and the calibrated metering coefficient meets 95% and is less than or equal to 100%, the normal conditions are judged, and when the ratio R meets 90% and is less than or equal to R < 95%, the light early warning is judged; when the ratio R satisfies that 80% and R < 90%, judging the ratio R is a moderate early warning; and when the ratio R meets the condition that R is less than 80%, judging as a severe early warning. Therefore, the deviation condition of the weighing display weight and the weighing actual weight of the electronic scale can be effectively reflected by calculating the ratio of the real-time metering coefficient to the calibration metering coefficient, and then the abnormity monitoring result is judged according to the difference of the ratio, so that the abnormity severity of the electronic scale can be effectively reflected, and the judgment and the processing of a manufacturer or a supervision department are facilitated.
Specifically, in this embodiment, before calibrating the electronic scale to obtain the calibrated measurement coefficient, the electronic scale is further registered in a database, where the database is a cloud platform database, and specifically, registering the electronic scale in the database may be to enable the electronic scale to have a unique identifier in the database, and preferably, may also be to simultaneously bind use information such as information of a merchant, a booth, and the like; for example, the factory number and the serial number of the electronic scale can be used for registering the electronic scale in a database, and information of a using merchant, a stall and the like of the electronic scale is input into the database to correspond to the factory number and the serial number, so that an obtained abnormal monitoring result of the electronic scale can quickly correspond to each specific electronic scale and the using information thereof, and the electronic scale can be better monitored.
Further, the method for monitoring the electronic scale further includes transmitting the abnormal monitoring result to the supervision platform. The monitoring platform can reflect the abnormal monitoring result to an electronic scale manufacturer and/or a monitoring organization; for example, the electronic scale manufacturer and/or the supervision authority may log in the supervision platform to obtain the abnormal monitoring result, or the supervision platform may send information of the abnormal monitoring result to the electronic scale manufacturer and/or the supervision authority, so that the electronic scale monitoring method provided in this embodiment timely and effectively provides the abnormal monitoring result to the electronic scale manufacturer and/or the supervision authority after obtaining the abnormal monitoring result, which may effectively facilitate the electronic scale manufacturer and/or the supervision authority to effectively monitor the usage of the electronic scale, and is beneficial to timely check and treat cheating behaviors.
In another embodiment, after obtaining the abnormal monitoring result of the electronic scale by comparing the real-time metering coefficient and the calibration metering coefficient, the method may further include generating abnormal condition information when the occurrence rule of the abnormal monitoring result meets a preset rule. Specifically, when considering that the electronic scale is subjected to illegal modification, structural damage and normal exogenous error, the rules of abnormal monitoring results of the electronic scale are different, a preset rule can be set, and when the rule of abnormal monitoring results meets the preset rule, corresponding abnormal condition information is generated; therefore, the running condition of the electronic scale can be monitored more quickly and effectively, for example, the abnormal condition information can comprise structural damage, illegal modification, normal exogenous errors and the like, when the occurrence rule of the abnormal monitoring result meets a preset rule 1, the abnormal monitoring result is judged to be a normal exogenous error, and when the occurrence rule of the abnormal monitoring result meets a preset rule 2, the abnormal modification and/or structural damage is judged; specifically, the preset rule 1 may be that the frequency of the early warning occurring in the abnormal monitoring result is lower than 1/a times, where a may be set according to the accuracy of the electronic scale or the anti-interference condition, for example, ten thousand, that is, when it is determined that there is an early warning in the abnormal monitoring results monitored only in a very few cases, it is considered that the error caused by the normal external cause is present, and the electronic scale itself is in a normal state; the preset rule 2 can be that continuous early warning occurs in an abnormal monitoring result, that is, each real-time metering coefficient acquired at the time has a large deviation from a calibration metering coefficient, and is uninterrupted, the electronic scale is considered to have illegal modification or structural damage, and the electronic scale can be recycled by a factory or processed by a supervision department; certainly, the method is suitable for different illegal modification behaviors of merchants, and can also set a specific preset rule, so that effective judgment on different illegal modification behaviors is realized.
Example two
As shown in fig. 4, a monitoring system of an electronic scale according to the present embodiment is shown, and the monitoring system of the electronic scale includes: the acquisition unit is arranged in the electronic scale and used for acquiring a calibration weighing AD value, a peeling zero AD value, a calibration weight, a real-time weighing AD value and a real-time weight of the electronic scale; the transmitting unit is arranged in the electronic scale and used for transmitting the calibration metering coefficient, the real-time weighing AD value, the peeling zero position AD value and the real-time weight of the electronic scale to the database; the calculating unit is arranged in the electronic scale and the database and used for calculating a calibration metering coefficient and a real-time metering coefficient according to the following calculation formula, wherein the calibration metering coefficient is (calibration weighing AD value-peeling zero AD value)/calibration weight; the real-time metering coefficient is (real-time weighing AD value-peeling zero position AD value)/real-time weight; and the comparison unit is arranged in the database and used for comparing the real-time metering coefficient and the calibration metering coefficient in the database to obtain an abnormal monitoring result of the electronic scale.
The monitoring system of the electronic scale provided by the embodiment can obtain a calibration weighing AD value, a peeling zero position AD value, a calibration weight, a real-time weighing AD value and a real-time weight by an obtaining unit arranged in the electronic scale, can obtain a calibration metering coefficient by calculation of a calculating unit arranged in the electronic scale, can send the calibration metering coefficient, the real-time weighing AD value, the peeling zero position AD value and the real-time weight to a database by a sending unit, can obtain a real-time metering system by calculation of a calculating unit in the database, and can obtain an abnormal monitoring result by comparison of a comparison unit; like this, when the electronic scale appears the structure unusual or by the merchant repacking without permission, the difference that real-time measurement coefficient and demarcation measurement coefficient appear can effectively react in unusual monitoring result to effectively realize the monitoring to the electronic scale through acquireing unusual monitoring result, can in time discover the abnormal conditions of electronic scale.
Specifically, in this embodiment, the obtaining unit may be configured to obtain a calibration weighing AD value, a peeling zero position AD value, and a calibration weight for calculating the calibration metering coefficient when the electronic scale leaves factory, or configured to obtain the calibration weight when the electronic scale is forcibly checked, and after obtaining the calibration weighing AD value, the peeling zero position AD value, and the calibration weight, the calculating unit arranged in the electronic scale calculates the calibration metering coefficient and then sends the data to the database for calculation and comparison.
Specifically, in this embodiment, the obtaining unit obtains the peeling zero position AD value, the real-time weighing AD value, and the real-time weight of the electronic scale during weighing, and sends the values to the calculating unit in the database through the sending unit to calculate and obtain the real-time metering coefficient according to the following formula: the real-time weighing coefficient (real-time weighing AD value-peeling zero AD value)/real-time weight, where the real-time weight refers to the display weight of the electronic scale. More specifically, in this embodiment, the obtaining unit is configured to obtain data and transmit the data to the database through the sending unit when the electronic scale is weighed each time, so that whether the electronic scale is weighed each time abnormally can be recorded, and the data can be used for comparing with a calibrated metering coefficient, thereby realizing monitoring of weighing of the electronic scale each time, and effectively ensuring real-time effectiveness of monitoring the electronic scale. In another embodiment, the acquiring unit may also be configured to perform data acquisition according to a preset frequency, for example, the real-time metering coefficient may be acquired once or multiple times every N weighing times. In another embodiment, the acquisition may be configured to be performed at a preset time. Of course, in another embodiment, the peeling zero position AD value, the real-time weighing AD value, and the real-time weight of the electronic scale may be obtained according to a combination of a preset frequency and a preset time. It should be noted that, because the peeling zero position AD value can be determined by zero position calibration during calibration, the peeling zero position AD value obtained during weighing only needs to be extracted from the peeling zero position AD value recorded in the electronic scale.
More specifically, in this embodiment, the comparing unit obtains the abnormal monitoring result by comparing the ratio R of the real-time metering coefficient and the calibrated metering coefficient; more specifically, the anomaly monitoring result comprises a normal condition, a light early warning, a moderate early warning and a heavy early warning, wherein when the ratio of the real-time metering coefficient calculated by the comparison unit to the calibrated metering coefficient is 95% -100%, the comparison unit judges the anomaly monitoring result as the normal condition, and when the ratio R satisfies that 90% is less than or equal to R < 95%, the comparison unit judges the anomaly monitoring result as the light early warning; when the ratio R satisfies that 80% and R < 90%, judging the ratio R is a moderate early warning; and when the ratio R meets the condition that R is less than 80%, judging as a severe early warning. Therefore, the ratio of the real-time metering coefficient to the calibrated metering coefficient calculated by the comparison unit can effectively reflect the deviation condition of the weighing display weight and the weighing actual weight of the electronic scale, and then the abnormity monitoring result is judged according to the difference of the ratio, so that the abnormity severity of the electronic scale can be effectively reflected, and the judgment and the work of a manufacturer or a supervision department are facilitated.
Further, the electronic scale monitoring system provided by the embodiment further includes a transmission unit, configured to transmit the abnormal monitoring result to a supervision platform, where the supervision platform is configured to reflect the abnormal monitoring result to an electronic scale manufacturer and/or a supervision authority; specifically, the electronic scale manufacturer and/or the supervision authority may log in the supervision platform to obtain the abnormal monitoring result, or the supervision platform may send the information of the abnormal monitoring result to the electronic scale manufacturer and/or the supervision authority, so that the electronic scale monitoring system provided in this embodiment timely and effectively provides the abnormal monitoring result to the electronic scale manufacturer and/or the supervision authority through the transmission unit after obtaining the abnormal monitoring result, which may effectively facilitate the electronic scale manufacturer and/or the supervision authority to effectively monitor the use condition of the electronic scale, and is beneficial to timely check and treat cheating behaviors.
Further, in another embodiment, the electronic scale monitoring system may further include an analysis unit, configured to generate abnormal condition information when it is determined that a rule of occurrence of the abnormal monitoring result satisfies a preset rule. Specifically, when considering that the electronic scale is subjected to illegal modification, structural damage and normal exogenous error, the rules of abnormal monitoring results of the electronic scale are different, a preset rule can be set, and when the rule of the abnormal monitoring results meets the preset rule, corresponding abnormal condition information is generated by using the analysis unit; therefore, the running condition of the electronic scale can be monitored more quickly and effectively.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A method for monitoring an electronic scale is characterized by comprising the following steps:
calibrating an electronic scale to obtain a calibration metering coefficient; the calibration of the electronic scale to obtain the calibration metering coefficient is carried out when the electronic scale leaves a factory and/or is carried out when the electronic scale is detected forcibly;
acquiring a real-time metering coefficient of the electronic scale during weighing, wherein the real-time metering coefficient of the electronic scale during weighing is acquired during each time of weighing;
comparing the real-time metering coefficient with the calibration metering coefficient to obtain an abnormal monitoring result of the electronic scale;
wherein, the calibration metering coefficient = (calibration weighing AD value-peeling zero position AD value)/calibration weight;
real-time metering coefficient = (real-time weighing AD value-peeling zero bit AD value)/real-time weight;
the step of comparing the real-time metering coefficient with the calibrated metering coefficient to obtain an abnormal monitoring result of the electronic scale is to obtain an abnormal monitoring result by calculating the ratio R of the real-time metering coefficient and the calibrated metering coefficient;
the electronic scale monitoring method also comprises the step of generating abnormal condition information when judging that the occurrence rule of the abnormal monitoring result meets a preset rule;
the real-time weight refers to the display weight of the electronic scale;
in order to ensure the accuracy of the real-time weighing AD value, the method also comprises the zero setting calculation of the electronic scale, wherein the real-time AD value during empty weighing is obtained as the AD value of the empty weighing, the difference value between the AD value of the empty weighing and the zero peeling AD value is calculated, and the difference value is required to be subtracted from the real-time AD value obtained during weighing to be used as the real-time weighing AD value;
and determining the peeling zero position AD value through zero position calibration during calibration, wherein the peeling zero position AD value is stored in the electronic scale.
2. The method for monitoring the electronic scale according to claim 1, characterized in that:
acquiring a calibration metering coefficient, namely acquiring a calibration weighing AD value, a peeling zero position AD value and a calibration weight when calibration is performed through an electronic scale, calculating the calibration metering coefficient, transmitting the calibration metering coefficient to a database, and recording the calibration metering coefficient through the database;
the real-time metering coefficient is obtained by the electronic scale, namely, a real-time weighing AD value, a peeling zero position AD value and real-time weight during weighing are obtained and transmitted to the database, and the real-time metering coefficient is obtained through calculation of the database and recorded.
3. The method for monitoring the electronic scale according to claim 1, characterized in that: the abnormal monitoring result comprises normal condition, mild early warning, moderate early warning and severe early warning;
wherein, when the ratio R of the real-time metering coefficient to the calibration metering coefficient satisfies 95% and R is less than or equal to 100%, the normal condition is judged,
judging the mild early warning when the ratio R satisfies that R < 95% is less than 90%;
when the ratio R satisfies that 80% and R < 90%, judging the ratio R is a moderate early warning;
and when the ratio R meets the condition that R is less than 80%, judging as a severe early warning.
4. The method for monitoring the electronic scale according to claim 1, characterized in that: the electronic scale monitoring method further comprises the step of transmitting the abnormal monitoring result to a supervision platform.
5. An electronic scale monitoring system, comprising:
the acquisition unit is arranged in the electronic scale, acquires a calibration weighing AD value, a peeling zero position AD value and a calibration weight of the electronic scale when the electronic scale leaves a factory and/or is subjected to strong inspection calibration, and acquires a real-time weighing AD value and a real-time weight when the electronic scale is weighed each time;
the transmitting unit is arranged in the electronic scale and used for transmitting the calibration metering coefficient, the real-time weighing AD value, the peeling zero position AD value and the real-time weight of the electronic scale to the database;
a calculating unit arranged in the electronic scale and the database, wherein the calibration of the electronic scale to obtain the calibration metering coefficient is carried out when the electronic scale leaves factory and/or is carried out when the electronic scale is detected forcibly,
the device is used for calculating a calibration metering coefficient and a real-time metering coefficient according to the following calculation formula, wherein the calibration metering coefficient = (calibration weighing AD value-peeling zero position AD value)/calibration weight;
real-time metering coefficient = (real-time weighing AD value-peeling zero bit AD value)/real-time weight;
the comparison unit is arranged in the database and used for comparing the real-time metering coefficient with the calibration metering coefficient to obtain an abnormal monitoring result of the electronic scale;
the comparison unit also comprises a judging unit for generating abnormal condition information when the occurrence rule of the abnormal monitoring result meets a preset rule;
the real-time weight refers to the display weight of the electronic scale;
in order to ensure the accuracy of the real-time weighing AD value, the method also comprises the zero setting calculation of the electronic scale, wherein the real-time AD value during empty weighing is obtained as the AD value of the empty weighing, the difference value between the AD value of the empty weighing and the zero peeling AD value is calculated, and the difference value is required to be subtracted from the real-time AD value obtained during weighing to be used as the real-time weighing AD value;
and determining the peeling zero position AD value through zero position calibration during calibration, wherein the peeling zero position AD value is stored in the electronic scale.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910290998.6A CN109916496B (en) | 2019-04-11 | 2019-04-11 | Monitoring method and system of electronic scale |
| PCT/CN2019/094853 WO2020206853A1 (en) | 2019-04-11 | 2019-07-05 | Electronic scale monitoring method and system |
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| 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 |
| CN111307264B (en) * | 2019-12-30 | 2021-09-21 | 中山佳维电子有限公司 | Scale body testing method and device, storage medium and upper computer |
| CN114383357B (en) * | 2020-10-21 | 2023-05-16 | 青岛海尔电冰箱有限公司 | Refrigerator testing method and refrigerator |
| CN114485871A (en) * | 2021-12-31 | 2022-05-13 | 杭州云气控股有限公司 | Weighing system of LNG storage device |
| CN114910152B (en) * | 2022-05-30 | 2024-03-12 | 江西众加利高科技股份有限公司 | Precision correction method for weighing metering instrument |
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| WO2020206853A1 (en) | 2020-10-15 |
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