CN112082635A - State monitoring and fault judging method for electronic belt scale - Google Patents
State monitoring and fault judging method for electronic belt scale Download PDFInfo
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- CN112082635A CN112082635A CN202011078494.7A CN202011078494A CN112082635A CN 112082635 A CN112082635 A CN 112082635A CN 202011078494 A CN202011078494 A CN 202011078494A CN 112082635 A CN112082635 A CN 112082635A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
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Abstract
The invention provides a state monitoring and fault judging method of an electronic belt scale, which comprises the steps of presetting weight threshold data of the electronic belt scale in various running states; acquiring the running state of the electronic belt scale; the method comprises the steps of obtaining actual weight data of a weight sensor of the electronic belt scale, obtaining weight threshold data under the operation state according to the operation state of the electronic belt scale, comparing the actual weight data with the corresponding weight threshold data, judging whether the electronic belt scale breaks down or not according to a comparison result, and sending prompt information according to the comparison result if the electronic belt scale breaks down. The method provided by the invention can reduce the workload of electronic belt scale calibration, reduce the labor input, avoid the analysis of human factors on the faults of the electronic belt scale and improve the accuracy of the electronic belt scale calibration.
Description
Technical Field
The invention relates to the technical field of fault judgment of measuring instruments, in particular to a state monitoring and fault judgment method of an electronic belt scale.
Background
In tobacco redrying and cut tobacco production, operations such as flavoring, feeding, adding water and the like need to be performed on tobacco leaves and cut tobacco, the operations need to be proportioned according to weight percentage, and the weights of various materials need to be weighed by using an electronic belt scale, so that the precision and stable operation of the electronic belt scale have great influence on the process quality of cigarette products, and therefore, the electronic belt scale needs to be calibrated and checked regularly or in the production process. Because the work of calibrating and checking the electronic belt scale is complicated, the labor intensity of operators is increased, and the labor consumption is caused. In addition, the electronic belt weighers used in the tobacco production process are large in number, a large amount of time is needed for point inspection one by one, and the production efficiency of a workshop is affected. In addition, the detection of the electronic belt scale needs manual work, and the human factors are more, so that the product quality maintenance and the maintenance of the electronic belt scale are not facilitated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a state monitoring and fault judging method of an electronic belt scale, which aims to solve the problems of overlarge detection workload and more human factors of the conventional electronic belt scale.
In order to achieve the purpose, the invention is realized by the following technical scheme: a state monitoring and fault judging method of an electronic belt scale comprises the following steps: presetting weight threshold data of the electronic belt scale in various running states; acquiring the running state of the electronic belt scale; the method comprises the steps of obtaining actual weight data of a weight sensor of the electronic belt scale, obtaining weight threshold data under the operation state according to the operation state of the electronic belt scale, comparing the actual weight data with the corresponding weight threshold data, judging whether the electronic belt scale breaks down or not according to a comparison result, and sending prompt information according to the comparison result if the electronic belt scale breaks down.
Preferably, judge whether the electronic belt scale breaks down according to the comparison result, send tip information according to the comparison result and include: and the electronic belt scale sends the data of the comparison result to an upper computer, and the upper computer sends prompt information according to the comparison result.
Further, the running state of the electronic belt scale comprises a static state, an empty running state and a load state; under the load state, the fault prompt information of the electronic belt scale is different from the fault prompt information under the static state or the idle running state.
Further, the weight threshold data of the static state comprises: a static upper threshold and a static lower threshold; confirming that the electronic belt scale is out of order comprises: in the static state, the actual weight data is equal to or less than a static lower threshold or equal to or more than a static upper threshold.
Further, the weight threshold data of the air running state includes: an idle operation upper limit threshold and an idle operation lower limit threshold; confirming that the electronic belt scale is out of order comprises: and under the idle running state, the actual weight data is less than or equal to the idle running lower limit threshold value or greater than or equal to the idle running upper limit threshold value.
Further, the weight threshold data of the air running state includes: an idle operation upper limit threshold and an idle operation lower limit threshold; confirming that the electronic belt scale is out of order comprises: under the idle running state, the actual weight data is less than or equal to a static lower limit threshold, and the actual weight data is between an idle running upper limit threshold and an idle running lower limit threshold; or the actual weight data is greater than or equal to the static upper threshold, and the actual weight data is between the idle running upper threshold and the idle running lower threshold.
Further, the weight threshold data of the loading state comprises: a load upper limit threshold and a load lower limit threshold; confirming that the electronic belt scale is out of order comprises: and under the loading state, the actual weight data is less than or equal to the lower load threshold or greater than or equal to the upper load threshold.
Furthermore, the number of the weight sensors is two, and the two weight sensors are respectively positioned below two ends of the same metering carrier roller; the weight threshold data for a static state includes: a static upper threshold and a static lower threshold; confirming that the electronic belt scale is out of order comprises: in the static state, the actual weight data of any one weight sensor is less than or equal to the static lower threshold, and the actual weight data of the other weight sensor is greater than or equal to the static upper threshold.
Furthermore, the number of the weight sensors is two, and the two weight sensors are respectively positioned below two ends of the same metering carrier roller; the weight threshold data of the air running state comprises: an idle operation upper limit threshold and an idle operation lower limit threshold; confirming that the electronic belt scale is out of order comprises: in the idling state, the actual weight data of any one of the weight sensors is less than or equal to the idling lower threshold, and the actual weight data of the other weight sensor is greater than or equal to the idling upper threshold.
Furthermore, the number of the weight sensors is two, and the two weight sensors are respectively positioned below two ends of the same metering carrier roller; the weight threshold data of the loading state comprises: a load upper limit threshold and a load lower limit threshold; confirming that the electronic belt scale is out of order comprises: under the loading state, the actual weight data of any one weight sensor is less than or equal to the lower load threshold, and the actual weight data of the other weight sensor is greater than or equal to the upper load threshold.
Compared with the prior art, the invention has the beneficial effects that:
the invention can reduce the influence of human factors and improve the detection accuracy of the electronic belt scale by acquiring the actual weight data of one or more weight sensors of the electronic belt scale, acquiring the weight threshold data in the preset running state and comparing the actual weight data with the weight threshold data to determine whether the electronic belt scale has a fault. On the other hand, the whole detection process is realized by depending on electronic equipment, so that the labor force can be reduced, and the production cost of tobacco is reduced.
Drawings
Fig. 1 is a structural diagram of an electronic belt scale to which an embodiment of the present invention is applied.
FIG. 2 is a flow chart of an embodiment of the inventive method.
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.
The invention relates to a state monitoring and fault judging method of an electronic belt scale, referring to fig. 1, the electronic belt scale 10 is provided with a bracket 11, adjusting screws 12 are arranged on four corners of the bracket, the lower end of each adjusting screw 12 is provided with an external thread, each adjusting screw 12 can be arranged on a base, and the balance of the bracket 11 can be adjusted by adjusting the adjusting screw 12. Hanging yards 15 are placed on the support 11, and in the embodiment, 2 hanging yards 15 are arranged on the support 11, and the two hanging yards 15 are symmetrically arranged on the support 11.
A plurality of weight sensors 16 are arranged on the carrier 11, and one or more metering idlers 14 are arranged on the carrier 11, each metering idler 14 being supported at both ends on one weight sensor 16. The amplifier 13 is provided on the support 11, and the data detected by the weight sensor 16 can be amplified by the amplifier 13 and subjected to subsequent calculation.
When weighing various materials, can place the tray on measurement bearing roller 14, the material can be placed on the tray, and weight sensor 16 detects the weight of material and with actual weight data through processing such as enlargeing, then show on display device to the weight of material is known to operating personnel.
The embodiment calibrates the electronic belt scale 10 in an automatic manner, and the embodiment calibrates the electronic belt scale in different operating states, so as to improve the calibration accuracy of the electronic belt scale. Referring to fig. 2, first, step S1 is executed to set weight threshold data of the electronic belt scale in different operating states. For example, the operation state of the electronic belt scale may include a static state, an idle operation state, and a load state, in this embodiment, the weight threshold data in each operation state is set, for example, for the static state, the set weight threshold parameters include a static upper threshold and a static lower threshold, for the idle operation state, the set weight threshold parameters include an idle upper threshold and an idle lower threshold, and for the load state, the set weight threshold parameters include a load upper threshold and a load lower threshold.
Then, step S2 is executed to obtain the current operation state of the electronic belt scale, i.e. to determine whether the current operation state of the electronic belt scale is a static state, an empty operation state or a load state. Next, step S3 is executed to acquire actual weight data of the weight sensors of the electronic belt scale, that is, in a specific operating state, actual data of one or more weight sensors of the electronic belt scale. Then, step S4 is executed to acquire weight threshold data in the operating state, step S5 is executed to compare actual measurement data of the weight sensor with the weight threshold data in the operating state, step S6 is executed to transmit the comparison result to the upper computer.
In this embodiment, the electronic belt scale may compare actual measurement data of the weight sensor with weight threshold data in a determined operation state through a PLC program, and input a comparison result into a preset data block. And then, the upper computer reads the data in the PLC appointed data block, thereby realizing the data transmission.
And (5) after the upper computer reads the data of the comparison result, executing the step S7, and determining corresponding prompt information according to the comparison result under different conditions. The detection of the embodiment can be classified into detection of data of any one of the plurality of weight sensors or detection of actual weight data of two weight sensors at both ends of the same metering idler 14.
If the data of any one of the weight sensors is detected, determining the operating state of the electronic belt scale, and if the electronic belt scale is in a static state, comparing the actual weight data of each weight sensor with a static upper threshold and a static lower threshold, that is, determining whether the actual weight data of any one weight sensor is less than or equal to the static lower threshold or whether the actual weight data of any one weight sensor is greater than or equal to the static upper threshold, if so, determining that the electronic belt scale has a fault and needs to be calibrated, and sending first prompt information, where the first prompt information includes: whether the belt deviates is checked through prompting, the stress, damage, circuit and other conditions of the corresponding weight sensor are checked through prompting, and whether the corresponding amplifier current source breaks down or not is checked through prompting.
And if the electronic belt scale is in an idle running state, comparing the actual weight data of each weight sensor with an idle running upper limit threshold and an idle running lower limit threshold, namely judging whether the actual weight data of any one weight sensor is smaller than or equal to the idle running lower limit threshold or not, or whether the actual weight data of any one weight sensor is larger than or equal to the idle running upper limit threshold or not, if so, determining that the electronic belt scale has a fault and needs to be calibrated, and sending first prompt information.
Of course, if in the air-operated state, the following determination may also be performed: in the idle running state, judging whether the actual weight data of any one weight sensor is less than or equal to a static lower limit threshold value or not, wherein the actual weight data is between an idle running upper limit threshold value and an idle running lower limit threshold value; or the actual weight data of any one weight sensor is greater than or equal to the static upper limit threshold, and the actual weight data is between the idle running upper limit threshold and the idle running lower limit threshold, if the actual weight data is between the idle running upper limit threshold and the idle running lower limit threshold, the electronic belt scale is considered to be in fault, calibration is needed, and first prompt information needs to be sent.
If in the load state, the actual weight data of each weight sensor is compared with the upper load threshold and the lower load threshold, namely, whether the actual weight data of any one weight sensor is smaller than or equal to the lower load threshold or not is judged, or whether the actual weight data of any one weight sensor is larger than or equal to the upper load threshold or not is judged, if so, the electronic belt scale is considered to have a fault, calibration is needed, second prompt information needs to be sent, the second prompt information is different from the first prompt information, and the second prompt information comprises: and prompting to check the abnormal condition of the belt and prompting to check the state of the weight sensor.
If the actual weight data of two weight sensors at two ends of the same metering carrier roller are detected, the actual weight data of the two weight sensors need to be acquired respectively, and whether the following conditions occur or not is judged for the static state: in two weight sensors at two ends of the same metering carrier roller, the actual weight data of any one weight sensor is less than or equal to the static lower threshold, and the actual weight data of the other weight sensor is greater than or equal to the static upper threshold, if so, it is considered that the electronic belt scale is in fault, and calibration is required, and a third prompt message needs to be sent, for example, the third prompt message includes: prompting to detect the deviation or damage of the belt and prompting to adjust or replace the belt.
And judging whether the following conditions occur or not according to the air running state: in two weight sensors at two ends of the same metering carrier roller, the actual weight data of any one weight sensor is less than or equal to the idle running lower limit threshold, and the actual weight data of the other weight sensor is greater than or equal to the idle running upper limit threshold, if so, the electronic belt scale is considered to be in fault, calibration is needed, and third prompt information needs to be sent.
And judging whether the following conditions occur or not according to the load state: in two weight sensors at two ends of the same metering carrier roller, the actual weight data of any one weight sensor is less than or equal to the lower load threshold, and the actual weight data of the other weight sensor is greater than or equal to the upper load threshold, if so, the electronic belt scale is considered to be in fault, calibration is needed, and third prompt information needs to be sent.
In the embodiment, the fault detection and prompt information of the electronic belt scale in various operation states are summarized as shown in table 1.
Table 1: fault detection and prompt information collection of electronic belt scale under various operation states
Therefore, the automatic calibration of the electronic belt scale is realized in an automatic mode, manual participation is not needed, the influence of human factors on the calibration of the electronic belt scale is reduced, the calibration accuracy of the electronic belt scale is improved, and the manpower consumed by the calibration of the electronic belt scale is reduced. In addition, corresponding prompt information is provided respectively for multiple running states of the electronic belt scale, so that an operator can accurately overhaul faults of the electronic belt scale, and the fault overhaul efficiency of the electronic belt scale is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A method for monitoring the state and judging the fault of an electronic belt scale is characterized by comprising the following steps:
presetting weight threshold data of the electronic belt scale in various running states;
acquiring the running state of the electronic belt scale;
acquiring actual weight data of a weight sensor of the electronic belt scale, acquiring weight threshold data in the operating state according to the operating state of the electronic belt scale, comparing the actual weight data with the corresponding weight threshold data, judging whether the electronic belt scale fails according to a comparison result, and sending prompt information according to the comparison result if the electronic belt scale fails.
2. The method for monitoring the condition and determining the fault of the electronic belt scale as claimed in claim 1, wherein:
judging whether the electronic belt scale breaks down according to the comparison result, and sending prompt information according to the comparison result comprises the following steps:
and the electronic belt scale sends the data of the comparison result to an upper computer, and the upper computer sends the prompt information according to the comparison result.
3. A condition monitoring and failure determining method of an electronic belt scale according to claim 1 or 2, characterized in that:
the running states of the electronic belt scale comprise a static state, an empty running state and a load state;
and under the load state, the fault prompt information of the electronic belt scale is different from the fault prompt information under the static state or the idle running state.
4. The method for monitoring the condition and determining the fault of the electronic belt scale as claimed in claim 3, wherein:
the weight threshold data for the static state comprises: a static upper threshold and a static lower threshold;
confirming that the electronic belt scale is out of order comprises: in a static state, the actual weight data is less than or equal to the static lower threshold or greater than or equal to the static upper threshold.
5. The method for monitoring the condition and determining the fault of the electronic belt scale as claimed in claim 3, wherein:
the weight threshold data of the air operating state comprises: an idle operation upper limit threshold and an idle operation lower limit threshold;
confirming that the electronic belt scale is out of order comprises: and in the idle running state, the actual weight data is less than or equal to the idle running lower limit threshold value or greater than or equal to the idle running upper limit threshold value.
6. The method for monitoring the condition and determining the fault of the electronic belt scale as claimed in claim 4, wherein:
the weight threshold data of the air operating state comprises: an idle operation upper limit threshold and an idle operation lower limit threshold;
confirming that the electronic belt scale is out of order comprises: in a non-operating state, the actual weight data is less than or equal to the static lower threshold, and the actual weight data is between the non-operating upper threshold and the non-operating lower threshold; or, the actual weight data is greater than or equal to the static upper threshold, and the actual weight data is between the idling upper threshold and the idling lower threshold.
7. The method for monitoring the condition and determining the fault of the electronic belt scale as claimed in claim 3, wherein:
the weight threshold data of the loading state comprises: a load upper limit threshold and a load lower limit threshold;
confirming that the electronic belt scale is out of order comprises: and under a load state, the actual weight data is less than or equal to the lower load threshold or greater than or equal to the upper load threshold.
8. The method for monitoring the condition and determining the fault of the electronic belt scale as claimed in claim 3, wherein:
the two weight sensors are respectively positioned below two ends of the same metering carrier roller;
the weight threshold data for the static state comprises: a static upper threshold and a static lower threshold;
confirming that the electronic belt scale is out of order comprises: in a static state, the actual weight data of any one of the weight sensors is less than or equal to the static lower threshold, and the actual weight data of the other weight sensor is greater than or equal to the static upper threshold.
9. The method for monitoring the condition and determining the fault of the electronic belt scale as claimed in claim 3, wherein:
the two weight sensors are respectively positioned below two ends of the same metering carrier roller;
the weight threshold data of the air operating state comprises: an idle operation upper limit threshold and an idle operation lower limit threshold;
confirming that the electronic belt scale is out of order comprises: in the idling state, the actual weight data of any one of the weight sensors is less than or equal to the idling lower threshold, and the actual weight data of the other weight sensor is greater than or equal to the idling upper threshold.
10. The method for monitoring the condition and determining the fault of the electronic belt scale as claimed in claim 3, wherein:
the two weight sensors are respectively positioned below two ends of the same metering carrier roller;
the weight threshold data of the loading state comprises: a load upper limit threshold and a load lower limit threshold;
confirming that the electronic belt scale is out of order comprises: under the loading state, the actual weight data of any one weight sensor is less than or equal to the lower load threshold, and the actual weight data of the other weight sensor is greater than or equal to the upper load threshold.
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| CN202011078494.7A CN112082635A (en) | 2020-10-10 | 2020-10-10 | State monitoring and fault judging method for electronic belt scale |
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| CN202011078494.7A CN112082635A (en) | 2020-10-10 | 2020-10-10 | State monitoring and fault judging method for electronic belt scale |
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