CN112378502A - Control method and system of batch scale - Google Patents
Control method and system of batch scale Download PDFInfo
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- CN112378502A CN112378502A CN202011217144.4A CN202011217144A CN112378502A CN 112378502 A CN112378502 A CN 112378502A CN 202011217144 A CN202011217144 A CN 202011217144A CN 112378502 A CN112378502 A CN 112378502A
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- feeding
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005303 weighing Methods 0.000 claims abstract description 10
- 230000003993 interaction Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 description 6
- 238000012937 correction Methods 0.000 description 5
- 238000012790 confirmation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/387—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for combinatorial weighing, i.e. selecting a combination of articles whose total weight or number is closest to a desired value
Abstract
The invention relates to the technical field of automatic weighing, and particularly discloses a control method of a batch scale, wherein the control method comprises the following steps: acquiring the feeding state of each material box; determining the feeding sequence of the bins according to the feeding state of each bin; feeding is carried out according to the feeding sequence of the material box, wherein the feeding comprises calculating the target weight of the current material box and sending the calculated target weight to a meter for weighing; and feeding the weighed target weight of the instrument to the current feed box. The invention also discloses a control system of the batch scale. According to the control method of the batch scale, the bins can be automatically and sequentially fed according to the feeding state of the preset bins, the target weight of each bin can be automatically calculated and controlled, and manual multiple input is not needed. Whether the feed box feeds materials or not can be automatically read according to the byte state, and manual multiple selection is not needed. The operation flow can be flexibly selected, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of automatic weighing, in particular to a control method of a batch scale and a control system of the batch scale.
Background
The batch scale equipment is an automatic weighing control system, the target weight and the compensation weight of each batch of materials are set through a touch screen, then data are sent to an instrument through a PLC, and the instrument performs automatic control of batch feeding. The batch scale equipment is widely applied to the industries of cultivation, feed packaging, chemical engineering and the like. The traditional feeding system cannot realize unmanned operation such as accurate weighing, automatic directional sequential feeding and the like.
Disclosure of Invention
The invention provides a control method and a control system of a batch scale, and solves the problems that automatic directional sequential feeding cannot be realized in the related technology.
As a first aspect of the present invention, there is provided a method of controlling a batch scale, comprising:
acquiring the feeding state of each material box;
determining the feeding sequence of the bins according to the feeding state of each bin;
feeding is carried out according to the feeding sequence of the material box, wherein the feeding comprises calculating the target weight of the current material box and sending the calculated target weight to a meter for weighing; and feeding the weighed target weight of the instrument to the current feed box.
Further, the feeding state comprises: the grouping of bins, the bin number, and the byte status of the bin.
Further, the determining the feeding sequence of the bins according to the feeding state of each bin comprises the following steps:
and determining the feeding sequence of the workbins according to the preset workbin grouping execution sequence, the workbin number execution sequence and the workbin byte state execution sequence.
Further, the byte status of the bin includes: 0 represents no charge and 1 represents charge.
Further, the target weight of the current bin comprises: the sum of the base target weight and the corrected total amount is preset.
As another aspect of the present invention, there is provided a control system for a batch scale, comprising: a controller comprising a memory and a processor, the memory communicatively coupled to the processor, the memory for storing computer instructions, the controller for loading and executing the computer instructions to implement the batch scale control method described above.
Further, the control system of the batch scale further comprises a human-computer interaction device, the human-computer interaction device is in communication connection with the controller, and the human-computer interaction device is used for presetting the feeding state of each material box.
Further, the human-computer interaction device comprises a touch screen.
Further, the control system of the batch scale further comprises an instrument, the instrument is in communication connection with the controller, and the instrument is used for weighing according to the target weight calculated by the controller.
Further, the controller comprises a PLC controller.
According to the control method of the batch scale, the bins can be automatically and sequentially fed according to the feeding state of the preset bins, the target weight of each bin can be automatically calculated and controlled, and manual multiple input is not needed. Whether the feed box feeds materials or not can be automatically read according to the byte state, and manual multiple selection is not needed. The operation flow can be flexibly selected, and the operation efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a flowchart of a control method of a batch scale according to the present invention.
FIG. 2 is a schematic view of the feeding of the bin provided by the present invention.
Fig. 3 is a flowchart of an embodiment of a method for controlling a batch scale according to the present invention.
Fig. 4 is a block diagram of a control system of a batch scale according to the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution 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 should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this embodiment, a method for controlling a batch scale is provided, and fig. 1 is a flowchart of a method for controlling a batch scale according to an embodiment of the present invention, as shown in fig. 1, including:
s110, acquiring the feeding state of each bin;
it should be noted that the feeding state specifically may include: the grouping of bins, the bin number, and the byte status of the bin.
For example, all bins to be fed may be grouped in advance on the human-machine interaction device, and then the bins of each group are numbered and the byte status of each bin is determined.
Wherein the byte status of the bin may be set to: 0 represents no charge and 1 represents charge.
Taking 24 bins in total as an example, as shown in fig. 2, the 24 bins are divided into two groups, each group has 12 bins, the bins in each group are respectively numbered, and are sequentially numbered as 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 from far to near according to the distance from the feeding mechanism, each group has the same numbering mode, for example, the two groups are respectively located at the left and right sides of the feeding mechanism, the 12 bins at the left side are sequentially numbered as 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 from far to near, and the 12 bins at the right side are sequentially numbered as 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 from far to near.
Before the material feeding is determined to be started, the material feeding state of each bin can be acquired by clicking a confirmation button on the man-machine interaction device.
S120, determining the feeding sequence of the bins according to the feeding state of each bin;
in some embodiments, the determining the feeding sequence of the bins according to the feeding state of each bin comprises:
and determining the feeding sequence of the workbins according to the preset workbin grouping execution sequence, the workbin number execution sequence and the workbin byte state execution sequence.
And after the feeding state of each bin is obtained, judging the sequential flow of the executed bins according to the byte state of each bin.
Also taking the above-mentioned 24 bins as an example, since it is preset that the left group is started in the order from far to near, the 12 bins at the farthest end are preferentially executed if the byte status is 1, the next bin is executed if the byte status is 0, and so on.
And if the state bytes of the group of bin numbers on the left side are all 0, skipping the left side, executing the right side, and starting to judge from the farthest end state.
S130, feeding according to the feeding sequence of the material boxes, wherein the feeding comprises calculating the target weight of the current material box, and sending the calculated target weight to a meter for weighing; and feeding the weighed target weight of the instrument to the current feed box.
In some embodiments, the target weight for the current bin comprises: the sum of the base target weight and the corrected total amount is preset.
According to the control method of the batch scale, the workbins can be automatically and sequentially fed according to the preset feeding state of the workbins, the target weight of each workbin can be automatically calculated and controlled, and manual multiple input is not needed. Whether the feed box feeds materials or not can be automatically read according to the byte state, and manual multiple selection is not needed. The operation flow can be flexibly selected, and the operation efficiency is improved.
Fig. 3 is a flowchart illustrating an embodiment of a method for controlling a batch scale according to the present invention.
Due to the physical structure principle, the actual feeding weight of the work of the material box is different. According to the requirement, the human-computer interaction device uniformly sets the basic target weight and the basic correction weight of the material box. After a new task confirmation button is triggered, the controller scans the byte state of each bin number, preferentially judges a left group by using Siemens Smart 200 SCR sequence control instructions, and executes an SCR sequence control instruction paragraph. And meanwhile, calculating the target weight according to the label of the bin which is started for the first time on the left side.
The target weight is calculated by the formula: actual target weight = touch screen base target weight + correction total.
Wherein the total correction = touch screen base correction weight (bin number-1).
After the task of preferentially operating the material box on the left side is completed for the first time, the actual target weights of the left remaining material box on the left side are unified as follows: actual target weight = touchscreen base target weight — touchscreen base correction weight.
And resetting the SCR sequence control instruction envelope of the left side until all the tasks of the left side are finished, and recording the reset command envelope as a left task finishing mark. And (4) not executing the left program, and jumping to the SCR sequence control instruction on the right side.
And the operation principle of the right-side bin system is the same as that of the left-side bin system, when all bin tasks on the right side are completed, all the tasks are recorded as the completion of all the tasks, and all the operation instructions and the algorithm values are reset.
As another embodiment of the present invention, a control system for a batch scale is provided, including: a controller comprising a memory and a processor, the memory communicatively coupled to the processor, the memory for storing computer instructions, the controller for loading and executing the computer instructions to implement the batch scale control method described above.
The control system of the batch scale provided by the embodiment of the invention can automatically and sequentially feed the workbins according to the preset feeding state of the workbins, and the target weight of each workbin can be automatically calculated and controlled without manual multiple input. Whether the feed box feeds materials or not can be automatically read according to the byte state, and manual multiple selection is not needed. The operation flow can be flexibly selected, and the operation efficiency is improved.
Specifically, the control system of the batch scale further comprises a human-computer interaction device, the human-computer interaction device is in communication connection with the controller, and the human-computer interaction device is used for presetting the feeding state of each material box.
In some embodiments, the human-computer interaction device comprises a touch screen.
Specifically, the control system of the batch scale further comprises a meter, the meter is in communication connection with the controller, and the meter is used for weighing according to the target weight calculated by the controller.
Preferably, the controller comprises a PLC controller.
It should be noted that, as shown in fig. 4, the PLC controller and the touch screen may be connected through TCP/IP communication, and the PLC controller and the instrument may perform data transmission through a MODBUS communication protocol.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A method of controlling a batch scale, comprising:
acquiring the feeding state of each material box;
determining the feeding sequence of the bins according to the feeding state of each bin;
feeding is carried out according to the feeding sequence of the material box, wherein the feeding comprises calculating the target weight of the current material box and sending the calculated target weight to a meter for weighing; and feeding the weighed target weight of the instrument to the current feed box.
2. The method of controlling a batch scale of claim 1, wherein said dosing state comprises: the grouping of bins, the bin number, and the byte status of the bin.
3. The method of controlling a batch scale according to claim 2, wherein determining the feeding order of the bins according to the feeding status of each bin comprises:
and determining the feeding sequence of the workbins according to the preset workbin grouping execution sequence, the workbin number execution sequence and the workbin byte state execution sequence.
4. The method of controlling a batch scale of claim 3, wherein the byte status of the bin comprises: 0 represents no charge and 1 represents charge.
5. The method of controlling a batch scale of claim 1, wherein said current bin target weight comprises: the sum of the base target weight and the corrected total amount is preset.
6. A control system for a batch scale, comprising: a controller comprising a memory and a processor, the memory and processor communicatively coupled, the memory for storing computer instructions, the controller for loading and executing the computer instructions to implement the method of controlling a batch scale of any one of claims 1-5.
7. The batch scale control system of claim 6, further comprising a human-machine interface device communicatively coupled to the controller, the human-machine interface device being configured to preset a feeding status of each bin.
8. The control system of batch scale of claim 7, wherein said human interaction device comprises a touch screen.
9. The control system of a batch scale of claim 6, further comprising a meter communicatively coupled to said controller, said meter configured to weigh a target weight calculated by said controller.
10. The control system for a batch scale of claim 6, wherein said controller comprises a PLC controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011217144.4A CN112378502A (en) | 2020-11-04 | 2020-11-04 | Control method and system of batch scale |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011217144.4A CN112378502A (en) | 2020-11-04 | 2020-11-04 | Control method and system of batch scale |
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| CN112378502A true CN112378502A (en) | 2021-02-19 |
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| CN103910201A (en) * | 2014-04-09 | 2014-07-09 | 中冶南方工程技术有限公司 | Automatic control method of steelmaking auxiliary material feeding system |
| CN108153232A (en) * | 2016-12-05 | 2018-06-12 | 南京梅山冶金发展有限公司 | A kind of automatic control system and control method to converter high hopper feeding |
| CN109592344A (en) * | 2017-09-30 | 2019-04-09 | 南京梅山冶金发展有限公司 | Make steel high hopper material position processing method |
| CN110488778A (en) * | 2019-07-24 | 2019-11-22 | 北京旷视机器人技术有限公司 | Control method, device, electronic equipment and computer-readable medium |
| CN110643777A (en) * | 2018-06-27 | 2020-01-03 | 宝山钢铁股份有限公司 | Automatic weighing control method for auxiliary raw material bin for converter smelting production system |
| CN110654889A (en) * | 2019-09-30 | 2020-01-07 | 攀钢集团西昌钢钒有限公司 | Auxiliary raw material feeding method, device, equipment and medium |
| CN111013745A (en) * | 2019-12-25 | 2020-04-17 | 广西欧神诺陶瓷有限公司 | Intelligent feeding system and method |
| CN111331734A (en) * | 2020-03-12 | 2020-06-26 | 中国水利水电第七工程局有限公司 | Automatic storehouse feed supplement system that seeks of concrete aggregate |
-
2020
- 2020-11-04 CN CN202011217144.4A patent/CN112378502A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329562A (en) * | 2008-07-28 | 2008-12-24 | 中冶长天国际工程有限责任公司 | Control method and control system of stock bin set |
| CN103910201A (en) * | 2014-04-09 | 2014-07-09 | 中冶南方工程技术有限公司 | Automatic control method of steelmaking auxiliary material feeding system |
| CN108153232A (en) * | 2016-12-05 | 2018-06-12 | 南京梅山冶金发展有限公司 | A kind of automatic control system and control method to converter high hopper feeding |
| CN109592344A (en) * | 2017-09-30 | 2019-04-09 | 南京梅山冶金发展有限公司 | Make steel high hopper material position processing method |
| CN110643777A (en) * | 2018-06-27 | 2020-01-03 | 宝山钢铁股份有限公司 | Automatic weighing control method for auxiliary raw material bin for converter smelting production system |
| CN110488778A (en) * | 2019-07-24 | 2019-11-22 | 北京旷视机器人技术有限公司 | Control method, device, electronic equipment and computer-readable medium |
| CN110654889A (en) * | 2019-09-30 | 2020-01-07 | 攀钢集团西昌钢钒有限公司 | Auxiliary raw material feeding method, device, equipment and medium |
| CN111013745A (en) * | 2019-12-25 | 2020-04-17 | 广西欧神诺陶瓷有限公司 | Intelligent feeding system and method |
| CN111331734A (en) * | 2020-03-12 | 2020-06-26 | 中国水利水电第七工程局有限公司 | Automatic storehouse feed supplement system that seeks of concrete aggregate |
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Application publication date: 20210219 |
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