阅读说明：本技术 一种轮幅式荷重传感器的监控数据处理系统 (Monitoring data processing system of spoke type load sensor ) 是由 李峰 左妮娜 胡伟全 于 2021-04-02 设计创作，主要内容包括：本发明公开了一种轮幅式荷重传感器的监控数据处理系统,包括监控平台、存储模块、信息录入模块、数据采集模块、数据处理模块、故障监控模块以及数据传输模块,所述数据采集模块包括物品识别单元、速度采集单元以及重量采集单元；所述数据采集模块用于采集轮辐式荷重传感器的工作过程信息,所述数据采集模块包括物品识别单元、速度采集单元以及重量采集单元,从而获取被称重物品在轮辐式荷重传感器上的数据,根据获取到的数据对轮辐式荷重传感器的称重过程进行判定,若判定称重过程失败时,则通过故障监控模块对称重失败的原因进行分析,称重成功则将获得的测量值上传至监控平台,并上传至存储模块中进行保存。(The invention discloses a monitoring data processing system of a spoke type load sensor, which comprises a monitoring platform, a storage module, an information input module, a data acquisition module, a data processing module, a fault monitoring module and a data transmission module, wherein the data acquisition module comprises an article identification unit, a speed acquisition unit and a weight acquisition unit; the data acquisition module is used for acquiring working process information of the spoke type load sensor, and comprises an article identification unit, a speed acquisition unit and a weight acquisition unit, so that data of a weighed article on the spoke type load sensor is acquired, the weighing process of the spoke type load sensor is judged according to the acquired data, if the weighing process fails, the reason of weighing failure is analyzed through the fault monitoring module, and the obtained measured value is uploaded to the monitoring platform and is uploaded to the storage module for storage.)

1. A monitoring data processing system of a spoke type load sensor is characterized by comprising a monitoring platform, a storage module, an information input module, a data acquisition module, a data processing module, a fault monitoring module and a data transmission module, wherein the data acquisition module comprises an article identification unit, a speed acquisition unit and a weight acquisition unit;

the weight acquisition unit is used for acquiring the weight of a weighed object on the spoke type load sensor, and the specific acquisition process comprises the following steps:

step S1: acquiring the weights CDj of M groups of weighed articles within a TK1-TK2 time period, wherein the acquisition frequency is f, and j is 1,2 and … … M;

step S2: acquiring the maximum weight value of M groups of weighed articles, marking the maximum weight value of the weighed articles as CDmax, simultaneously substituting other values into a formula HG ═ CDi-CDmax | to obtain an error value, marking the weight value of HG ≤ HG0 as an actual weight value, and marking the actual weight value number of the weighed articles as a, wherein a is greater than or equal to 1, and a is an integer;

step S3: uploading the data acquired by the data acquisition module to the data processing module;

the data processing module is used for processing the data acquired by the data acquisition module, and the specific processing process comprises the following steps:

step M1: when a is 1, judging that the weighing process of the weighed object is incomplete, weighing the object at the time and recording the weighing as weighing failure, wherein the fault monitoring module is used for analyzing the reason of the weighing failure, and the specific analysis process comprises the following steps:

step m 1: acquiring the time corresponding to CDmax and the speed of the weighed object on the spoke type load sensor, and respectively marking the time corresponding to CDmax and the speed of the weighed object on the spoke type load sensor as Td and Vd;

step m 2: obtaining the remaining time weighed quantity CS by the formula CS ═ (TK2-Td) x f;

step m 3: when CS is less than 1, judging that the number of the objects which can be weighed in the remaining time is 0, and further judging that the speed of the weighed objects on the spoke type load sensor is too high; when CS is larger than or equal to 1, judging that the weighing process of the spoke type load sensor is unstable, marking the spoke type load sensor as a fault state, and sending the fault state of the spoke type load sensor to a monitoring platform through a data transmission module;

step M2: when a is more than 1, judging that the weighing process of the weighed object is complete, marking the actual weight values of all the weighed objects, marking the actual weight values of the weighed objects as SDk, and calculating the weight value of the weighed object according to a formulaObtaining an actual measurement value CLD, where k is 1,2, … …, a, and 1 < k ≦ j; alpha is a system correction coefficient, and alpha is more than 0 and less than 1;

step M3: uploading the CLD and TK2 obtained in the step M2 to a monitoring platform through a data transmission module, and uploading the CLD and TK2 to a storage module for storage.

2. The system for processing monitoring data of spoke type load sensors according to claim 1, wherein the information input module is used for inputting information of spoke type load sensors, the information of the spoke type load sensors comprises the number of the spoke type load sensors, the position of each spoke type load sensor, the time length of each spoke type load sensor in use, the self weight of each spoke type load sensor and a mark for each spoke type load sensor, the number of the spoke type load sensors is recorded as N, each spoke type load sensor is marked as i, the self weight of each spoke type load sensor is marked as ZDI, and the information of each spoke type load sensor is uploaded to the storage module for storage; wherein i is 1,2, … …, N > 0 and N is an integer.

3. The system of claim 1, wherein the article identification unit is configured to identify an article on the spoke-type load sensor, and when there is NO article on the spoke-type load sensor, the status of the spoke-type load sensor is marked as NO; when an article appears on the spoke type load sensor, marking the moment when the article appears on the spoke type load sensor as the weighing starting moment, marking the weighing starting moment as TK1, and simultaneously switching the state of the article identification unit to YES; when the article on the spoke-type load cell is removed, the time when the article on the spoke-type load cell is removed is marked as TK2, and the state of the article identification unit is switched to NO.

4. The system of claim 1, wherein the speed acquisition unit is configured to acquire a moving speed of the object to be weighed on the spoke type load cell, and mark the moving speed of the object to be weighed on the spoke type load cell as V and the effective weighing distance of the spoke type load cell as L.

5. The system for processing monitoring data of a spoke type load sensor according to claim 1, wherein the weight acquisition unit is used for acquiring the weight of a weighed object on the spoke type load sensor, and the specific acquisition process comprises the following steps:

step S1: acquiring the weights CDj of M groups of weighed articles within a TK1-TK2 time period, wherein the acquisition frequency is f, and j is 1,2 and … … M;

step S2: acquiring the maximum weight value of M groups of weighed articles, marking the maximum weight value of the weighed articles as CDmax, simultaneously substituting other values into a formula HG ═ CDi-CDmax | to obtain an error value, marking the weight value of HG ≤ HG0 as an actual weight value, and marking the actual weight value number of the weighed articles as a, wherein a is greater than or equal to 1, and a is an integer;

step S3: and uploading the data acquired by the data acquisition module to the data processing module.

Technical Field

The invention relates to the technical field of force measuring sensors, in particular to a monitoring data processing system of a spoke type load sensor.

Background

The spoke type weighing sensor is a precise measuring device, can convert sensed weight signals and pressure signals into electric signals capable of being measured and output the electric signals; the spoke type weighing sensor has the advantages of strong lateral stress and unbalance loading resistance, low gravity center, convenient installation, simple structure, good linearity and repeatability, strong overload capacity and the like, thereby being widely applied to the field of industrial process control and promoting the development of industry.

The patent document with the publication number of CN212158766U discloses a spoke type weighing sensor, which comprises an upper sealing cover, a spoke type elastic body and a lower sealing cover, wherein the upper sealing cover and the lower sealing cover are respectively installed at the top end and the bottom end of the spoke type elastic body, a hub is fixedly connected inside the spoke type elastic body through a plurality of wheel covers, and a resistance strain gauge is bonded on the side wall of each wheel cover; the through wires hole has been seted up to the outer wall of spoke formula elastomer, and the through wires downthehole portion is equipped with the connection terminal, and connection terminal one end is connected with all resistance strain gauges respectively, and the connection terminal other end is installed with the connector lug cooperation of outside cable conductor, and movable nut is installed to the outer wall of connector lug.

The spoke type load sensor has large inherent hysteresis in the weighing process, so that the weighing of an article has an error in the weighing process, namely, when the weight of the weighed article is not stable in an effective weighing area, the article passes through the effective weighing area, the weighing of the article is inaccurate, meanwhile, data are abnormal in the weighing process of the article, and the reason for the abnormality cannot be judged, so that the spoke type load sensor monitoring data processing system is provided.

Disclosure of Invention

The present invention is directed to a monitoring data processing system for spoke type load sensors, which is used to solve the above-mentioned problems in the background art.

The purpose of the invention is realized by the following technical scheme: a monitoring data processing system of a spoke type load sensor comprises a monitoring platform, a storage module, an information input module, a data acquisition module, a data processing module, a fault monitoring module and a data transmission module, wherein the data acquisition module comprises an article identification unit, a speed acquisition unit and a weight acquisition unit;

the data processing module is used for processing the data acquired by the data acquisition module, and the specific processing process comprises the following steps:

step M1: when a is 1, judging that the weighing process of the weighed object is incomplete, marking the weighing process as weighing failure, and analyzing the reason of the weighing failure by the fault monitoring module, wherein the specific analysis process comprises the following steps:

step m 1: acquiring the time corresponding to CDmax and the speed of the weighed object on the spoke type load sensor, and respectively marking the time corresponding to CDmax and the speed of the weighed object on the spoke type load sensor as Td and Vd;

step m 2: obtaining the remaining time weighed quantity CS by the formula CS ═ (TK2-Td) x f;

step m 3: when CS is less than 1, judging that the number of the objects which can be weighed in the remaining time is 0, and further judging that the speed of the weighed objects on the spoke type load sensor is too high; when CS is larger than or equal to 1, judging that the weighing process of the spoke type load sensor is unstable, marking the spoke type load sensor as a fault state, and sending the fault state of the spoke type load sensor to a monitoring platform through a data transmission module;

step M2: when a is more than 1, judging that the weighing process of the weighed object is complete, marking the actual weight values of all the weighed objects, marking the actual weight values of the weighed objects as SDk, and calculating the weight value of the weighed object according to a formulaObtaining an actual measurement value CLD, where k is 1,2, … …, a, and 1 < k ≦ j; alpha is a system correction coefficient, and alpha is more than 0 and less than 1;

step M3: uploading the CLD and TK2 obtained in the step M2 to a monitoring platform through a data transmission module, and uploading the CLD and TK2 to a storage module for storage.

The information input module is used for inputting information of the spoke type load sensors, the information of the spoke type load sensors comprises the number of the spoke type load sensors, the position of each spoke type load sensor, the time length of each spoke type load sensor in use, the self weight of each spoke type load sensor and a mark of each spoke type load sensor, the number of the spoke type load sensors is marked as N, each spoke type load sensor is marked as i, the self weight of each spoke type load sensor is marked as ZDi, and the information of each spoke type load sensor is uploaded to the storage module for storage; wherein i is 1,2, … …, N > 0 and N is an integer.

Further, the article identification unit is used for identifying an article on the spoke type load sensor, and when NO article exists on the spoke type load sensor, the state of the spoke type load sensor is marked as NO; when an article appears on the spoke type load sensor, marking the moment when the article appears on the spoke type load sensor as the weighing starting moment, marking the weighing starting moment as TK1, and simultaneously switching the state of the article identification unit to YES; when the article on the spoke-type load cell is removed, the time when the article on the spoke-type load cell is removed is marked as TK2, and the state of the article identification unit is switched to NO.

Further, the speed acquisition unit is used for acquiring the movement speed of the weighed object on the spoke type load sensor, marking the movement speed of the weighed object on the spoke type load sensor as V, and marking the effective weighing distance of the spoke type load sensor as L.

Further, the weight acquisition unit is used for acquiring the weight of the weighed object on the spoke type load sensor, and the specific acquisition process comprises the following steps:

step S1: acquiring the weights CDj of M groups of weighed articles within a TK1-TK2 time period, wherein the acquisition frequency is f, and j is 1,2 and … … M;

step S2: acquiring the maximum weight value of M groups of weighed articles, marking the maximum weight value of the weighed articles as CDmax, simultaneously substituting other values into a formula HG ═ CDi-CDmax | to obtain an error value, marking the weight value of HG ≤ HG0 as an actual weight value, and marking the actual weight value number of the weighed articles as a, wherein a is greater than or equal to 1, and a is an integer;

step S3: and uploading the data acquired by the data acquisition module to the data processing module.

Compared with the prior art, the invention has the beneficial effects that:

1. a monitoring data processing system of a spoke type load sensor marks the time when a weighed object starts weighing and the time when the weighing is finished, and obtains the running speed of the weighed object on the spoke type load sensor; weighing the weighed object for multiple times within the time of TK1 and TK2, obtaining the maximum weight value of the weighed object, further obtaining the actual weight value of the object according to the maximum weight value, and analyzing the reason of weighing failure of the spoke type load sensor by the fault detection module when the actual weight value is 1 according to the number of the actual weight values, so that the reason can be rapidly known through the monitoring platform when the weighing failure of the spoke type load sensor occurs;

2. the utility model provides a wheel spoke formula load sensor's control data processing system is according to the multiunit actual weight value that acquires to acquire the actual measurement value of the article of being weighed, acquire the maximum value in the weight of the article of being weighed, and acquire the weight value of all articles of being weighed in certain error band according to the maximum value, and mark as actual weight value, thereby can guarantee that article are weighing the in-process, can not lead to the weighing data inaccuracy of article because of the inherent lag of wheel spoke formula load sensor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic block diagram of a monitoring data processing system of a spoke type load sensor according to the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.

Referring to fig. 1, a monitoring data processing system of a spoke type load sensor includes a monitoring platform, a storage module, an information input module, a data acquisition module, a data processing module, a fault monitoring module, and a data transmission module;

the information input module is used for inputting information of the spoke type load sensors, the information of the spoke type load sensors comprises the number of the spoke type load sensors, the position of each spoke type load sensor, the time length of putting each spoke type load sensor into use, the self weight of each spoke type load sensor and a mark of each spoke type load sensor, the number of the spoke type load sensors is marked as N, each spoke type load sensor is marked as i, the self weight of each spoke type load sensor is marked as ZDi, and the information of each spoke type load sensor is uploaded to the storage module for storage; wherein i is 1,2, … …, N > 0 and N is an integer.

The data acquisition module comprises an article identification unit, a speed acquisition unit and a weight acquisition unit, and is used for acquiring the working process information of the spoke type load sensor:

the article identification unit is used for identifying an article on the spoke type load sensor, and when NO article exists on the spoke type load sensor, the state of the spoke type load sensor is marked as NO; when an article appears on the spoke type load sensor, marking the moment when the article appears on the spoke type load sensor as the weighing starting moment, marking the weighing starting moment as TK1, and simultaneously switching the state of the article identification unit to YES; when the article on the spoke type load sensor is taken away, the moment when the article on the spoke type load sensor is taken away is marked as TK2, and the state of the article identification unit is switched to NO; the article identification module is further used for acquiring article information of the weighed article, wherein the article information comprises the name of the article, the number of the articles and the production date of the article, and the article information can be acquired by scanning a bar code or an identification code of the article.

The speed acquisition unit is used for acquiring the movement speed of a weighed object on the spoke type load sensor, marking the movement speed of the weighed object on the spoke type load sensor as V, and marking the effective weighing distance of the spoke type load sensor as L;

the weight acquisition unit is used for acquiring the weight of a weighed object on the spoke type load sensor, and the specific acquisition process comprises the following steps:

step S1: acquiring the weights CDj of M groups of weighed articles within a TK1-TK2 time period, wherein the acquisition frequency is f, and j is 1,2 and … … M;

step S2: acquiring the maximum weight value of M groups of weighed articles, marking the maximum weight value of the weighed articles as CDmax, simultaneously substituting other values into a formula HG ═ CDi-CDmax | to obtain an error value, marking the weight value of HG ≤ HG0 as an actual weight value, and marking the actual weight value number of the weighed articles as a, wherein a is greater than or equal to 1, and a is an integer;

step S3: uploading the data acquired by the data acquisition module to the data processing module;

the data processing module is used for processing the data acquired by the data acquisition module, and the specific processing process comprises the following steps:

step M1: when a is 1, judging that the weighing process of the weighed object is incomplete, marking the weighing process as weighing failure, and analyzing the reason of the weighing failure by the fault monitoring module, wherein the specific analysis process comprises the following steps:

step m 1: acquiring the time corresponding to CDmax and the speed of the weighed object on the spoke type load sensor, and respectively marking the time corresponding to CDmax and the speed of the weighed object on the spoke type load sensor as Td and Vd;

step m 2: obtaining the remaining time weighed quantity CS by the formula CS ═ (TK2-Td) x f;

step m 3: when CS is less than 1, judging that the number of the objects which can be weighed in the remaining time is 0, and further judging that the speed of the weighed objects on the spoke type load sensor is too high; when CS is larger than or equal to 1, judging that the weighing process of the spoke type load sensor is unstable, marking the spoke type load sensor as a fault state, and sending the fault state of the spoke type load sensor to a monitoring platform through a data transmission module;

step M2: when a is more than 1, judging that the weighing process of the weighed object is complete, marking the actual weight values of all the weighed objects, marking the actual weight values of the weighed objects as SDk, and calculating the weight value of the weighed object according to a formulaObtaining an actual measurement value CLD, where k is 1,2, … …, a, and 1 < k ≦ j; alpha is a system correction coefficient, and alpha is more than 0 and less than 1;

step M3: uploading the CLD and TK2 obtained in the step M2 to a monitoring platform through a data transmission module, and uploading the CLD and TK2 to a storage module for storage.

The above formulas are all calculated by removing dimensions and taking numerical values thereof, the formula is a formula which is obtained by acquiring a large amount of data and performing software simulation to obtain the closest real situation, and the preset parameters and the preset threshold value in the formula are set by the technical personnel in the field according to the actual situation or obtained by simulating a large amount of data.

The working principle is as follows: when NO article exists on the spoke type load sensor, the state of the spoke type load sensor is marked as NO, when the article appears on the spoke type load sensor, the state of the spoke type load sensor is switched to YES, the time when the article appears on the spoke type load sensor is marked, the time when the article to be weighed appears on the spoke type load sensor is marked, then the weight values of M groups of the articles to be weighed are obtained in the time period by the weight acquisition unit, the maximum weight value is obtained according to the obtained weight values of the M groups of the articles to be weighed, the other weight values and the maximum weight value are calculated, the other weight values in the error range are further obtained, all the weight values in the error range are marked as actual weight values, the number of the actual weight values is obtained, when the number of the actual weight values is only 1, the weighing process of the weighed object is determined to be incomplete, thereby determining weighing failure, sending data to a fault monitoring module to analyze the reason of weighing failure, weighing the weighed object between the moment corresponding to the maximum weight value and TK2, determining that the weighing process of the spoke type load sensor is unstable, possibly having faults, weighing the weighed object between the moment corresponding to the maximum weight value and TK2, determining that the movement speed of the object on the spoke type load sensor is too large, and causing the weighing process to be incomplete.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.