CN112774998A - Upper computer and lower computer interaction method and system of high-speed sorting system - Google Patents
Upper computer and lower computer interaction method and system of high-speed sorting system Download PDFInfo
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- CN112774998A CN112774998A CN202011518451.6A CN202011518451A CN112774998A CN 112774998 A CN112774998 A CN 112774998A CN 202011518451 A CN202011518451 A CN 202011518451A CN 112774998 A CN112774998 A CN 112774998A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C3/00—Sorting according to destination
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C3/00—Sorting according to destination
- B07C3/02—Apparatus characterised by the means used for distribution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C3/00—Sorting according to destination
- B07C3/10—Apparatus characterised by the means used for detection ofthe destination
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Abstract
The invention relates to an upper computer and lower computer interaction method and system of a high-speed sorting system. The method comprises the following steps: counting the current state of each sorting port by using a sorting branch port state management module, generating a sorting port current state summary list and sending the list to an upper computer; the current state comprises a full state, an idle state, a manual state and a fault state; acquiring bar codes and task information corresponding to the bar codes by using an upper computer, and generating a distribution sorting list according to the bar codes and the task information; the task information comprises a task number, material bar code information, material specification, material grade, weight, height, maximum outer edge size and a target sorting opening number; and driving a lower computer to sort according to the task information and the issued sorting list and the sorting port current state summary list. The invention can improve the material sorting efficiency to the maximum extent.
Description
Technical Field
The invention relates to the field of high-speed sorting systems, in particular to an upper computer and lower computer interaction method and system of a high-speed sorting system.
Background
With the rapid development of the logistics industry at home and abroad, the intelligent sorting system is most widely applied to the logistics and express delivery industries. In the 20 th century, holland elma first developed the world's first letter sorting facility, indicating the birth of automated sorting facilities. After war ii, some developed countries have begun to focus on the development and use of automated sorting techniques and equipment in practice. In the 70 s of the 20 th century, the automatic sorting technology was further improved due to the wide application of advanced technologies such as electronic computers, photoelectric character recognition and the like, and automatic sorting lines independently developed in China were applied in many industries.
The concept of "sorting" goes through the process from "point-to-face" to "face-to-face", and achieves the purpose of "combining" in addition to the process of "distributing". That is, with modern processing means, sorting is not a simple point-to-surface relationship, but a surface-to-surface relationship, and an automatic processing mode with high technical content is gradually becoming a main implementation mode of modern sorting, wherein sorting efficiency and sorting accuracy are important indexes for evaluating the quality of a system.
The sorting system mainly comprises a code scanning, conveying line, a sorting executing mechanism (mechanical structures such as a balance wheel, a sliding block and a shifting arm) and sorting branch lines. Generally, the interactive process of the sorting task is that a code scanning result is sent to an upper computer, the upper computer checks a table to obtain material information, the materials are matched to a certain sorting port according to a sorting principle, the task is issued to a PLC, the PLC executes sorting, and after the task interactive process of the materials is completed every time, the next material can enter a code scanning area. After the interaction is completed, the materials enter the sorting conveying line to operate, but the materials cannot be sorted to the corresponding sorting ports due to other reasons (such as manual closing of the sorting ports and the like), and the materials can be conveyed to the scanning sorting again only by tail end descending or by a loop line, so that the sorting efficiency is reduced.
Disclosure of Invention
The invention aims to provide an upper computer and lower computer interaction method and system of a high-speed sorting system, and aims to solve the problem that the existing sorting system is low in sorting efficiency.
In order to achieve the purpose, the invention provides the following scheme:
an upper computer and lower computer interaction method of a high-speed sorting system comprises the following steps:
counting the current state of each sorting port by using a sorting branch port state management module, generating a sorting port current state summary list and sending the list to an upper computer; the current state comprises a full state, an idle state, a manual state and a fault state;
acquiring bar codes and task information corresponding to the bar codes by using an upper computer, and generating a distribution sorting list according to the bar codes and the task information; the task information comprises a task number, material bar code information, material specification, material grade, weight, height, maximum outer edge size and a target sorting opening number;
and driving a lower computer to sort according to the task information and the issued sorting list and the sorting port current state summary list.
Optionally, the method includes the steps of obtaining a bar code and task information corresponding to the bar code by using an upper computer, and generating an issuing sorting list according to the bar code and the task information, and specifically includes:
and writing the task information into the upper computer in a mode of increasing 66 bytes of the offset address in each cycle, and after writing the task information into 10 groups, rewriting the task information of the 11 th group from the offset address 0 to generate an issued sorting list.
Optionally, when the upper computer obtains a plurality of barcodes continuously uploaded by the barcode scanner, a plurality of threads are established for simultaneous processing, and processing results of the plurality of threads are written into different addresses.
Optionally, the method includes the steps of obtaining a barcode and task information corresponding to the barcode by using an upper computer, generating an issued sorting list according to the barcode and the task information, and then:
the upper computer issues a plurality of idle sorting opening numbers at one time according to the sorting opening current state summary list;
and when the sorting port of the target sorting port number in the task information has a fault, sorting the task information to an idle sorting port according to the sequence of the idle sorting port numbers.
Optionally, the method includes the steps of obtaining a barcode and task information corresponding to the barcode by using an upper computer, generating an issued sorting list according to the barcode and the task information, and then:
writing task information corresponding to the bar codes into a local task table according to the sequence of acquiring the bar codes;
if the bar code does not have task information, writing the task information of the bar code which is the same as the bar code in the issued sorting list into the local task list;
when the material corresponding to the bar code enters the starting end of the sorting line, initializing the current coordinate of the material to be 0, and updating the current position field of the material according to the increment value fed back by the encoder;
when the current position of the material reaches the matched coordinates of the sorting opening in the high-speed sorting system, the lower computer is driven to sort the material according to the current state summary list of the sorting opening;
when the materials corresponding to the bar codes enter the photoelectric device at the starting end of the sorting line, if the task information does not exist in the local task table, the materials are sorted to an abnormal processing sorting port.
Optionally, the lower computer is driven to sort according to the task information and the issued sorting list and the sorting port current state summary list, and the method specifically comprises the following steps:
inquiring the sorting port current state summary list according to the task information in the issued sorting list, and acquiring the current state of the optimal sorting port corresponding to the task information;
and if the current state of the optimal sorting port is a full state or a fault state, re-matching the sorting ports of the task information according to the sorting port current state summary list.
An upper computer and lower computer interaction system of a high-speed sorting system comprises:
the sorting branch port state management module is used for counting the current state of each sorting port, generating a sorting port current state summary list and sending the sorting port current state summary list to the upper computer; the current state comprises a full state, an idle state, a manual state and a fault state;
the system comprises an issuing sorting list generating module, a sorting processing module and a sorting processing module, wherein the issuing sorting list generating module is used for acquiring bar codes and task information corresponding to the bar codes by utilizing an upper computer and generating an issuing sorting list according to the bar codes and the task information; the task information comprises a task number, material bar code information, material specification, material grade, weight, height, maximum outer edge size and a target sorting opening number;
and the first sorting module is used for driving a lower computer to sort according to the task information and the issued sorting list and the sorting port current state summarizing list.
Optionally, the module for generating an issued sorting list specifically includes:
and the issuing sorting list generating unit is used for writing the task information into the upper computer in a mode of increasing 66 bytes of the offset address in a circulating mode every time, and after 10 groups of task information are written, the 11 th group of task information is rewritten from the offset address 0 to generate an issuing sorting list.
Optionally, when the upper computer obtains a plurality of barcodes continuously uploaded by the barcode scanner, a plurality of threads are established for simultaneous processing, and processing results of the plurality of threads are written into different addresses.
Optionally, the method further includes:
the idle sorting port number issuing module is used for issuing a plurality of idle sorting port numbers at one time by the upper computer according to the sorting port current state summary list;
and the second sorting module is used for sorting the task information to the idle sorting openings according to the sequence of the numbers of the idle sorting openings when the sorting openings of the target sorting opening numbers in the task information have faults.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the invention provides an upper computer and lower computer interaction method and system of a high-speed sorting system. In the actual operation process, if the matched optimal sorting port is not idle, the task needs to be matched again. Need not just get into and sweep a yard region after the task interaction flow of accomplishing this material at every turn, and being mutual completion, the material gets into the operation of letter sorting transfer chain, but the material also can gather the list letter sorting to corresponding letter sorting mouth according to letter sorting mouth current state because other reasons (like letter sorting mouth manual closing etc.) to maximize improvement material letter sorting efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a flow chart of a method for interacting an upper computer and a lower computer of a high-speed sorting system;
fig. 2 is a structural diagram of an upper computer and a lower computer interaction system of the high-speed sorting system.
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 aims to provide an upper computer and lower computer interaction method and system of a high-speed sorting system, which can improve the material sorting efficiency to the maximum extent.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is a flowchart of a method for interacting an upper computer and a lower computer of a high-speed sorting system, and as shown in fig. 1, the method for interacting an upper computer and a lower computer of a high-speed sorting system includes:
step 101: counting the current state of each sorting port by using a sorting branch port state management module, generating a sorting port current state summary list and sending the list to an upper computer; the current state includes a full state, an idle state, a manual state, and a fault state.
For the statistics of the states of all sorting ports, the PLC end of the upper computer feeds back the statistics to the upper computer in advance according to the current state gathering results of all sorting ports, so that the upper computer sends a sorting list in inquiry to obtain the sorting ports to which the material should go, and then compares the sorting ports with the states of the sorting ports in the current state gathering list of the sorting ports, if the sorting ports do not accord with the state of 1, the best sorting ports are matched again, and the table 1 is a gathering list of the current states of the sorting ports, and is shown in the table 1.
In the actual operation process, the currently accessed material quantity plus the in-transit quantity of the sorting line is judged to be the maximum buffer quantity of the sorting branch port so as to determine whether the current state of the sorting port is full.
TABLE 1
Step 102: acquiring bar codes and task information corresponding to the bar codes by using an upper computer, and generating a distribution sorting list according to the bar codes and the task information; the task information comprises a task number, material bar code information, material specification, material grade, weight, height, maximum outer edge size and a target sorting opening number.
After the upper computer acquires the bar code and inquires about task information corresponding to the bar code, a task is generated and written into the PLC in a mode of increasing 66 bytes of an offset address circularly every time, after 10 groups of tasks are written, the 11 th group of tasks are rewritten from the offset address 0, and a sorting list is issued in table 2, wherein String [20] refers to a character String with the length of 20 characters, and String [4] refers to a character String with the length of 4 characters.
TABLE 2
The issued sorting list represents task information contained in one task, the data structure is 10 groups in the list, the upper computer is written in circularly from 1 to 10 to 1, namely, the upper computer is allowed to establish a plurality of threads for simultaneous processing when receiving a plurality of bar code information continuously uploaded by the bar code scanner, and processing results of the plurality of threads are written in different addresses, so that the problem that the original sorting mode can start writing in a second group of tasks only after one group of tasks are interactively completed is solved. The efficiency is improved, and meanwhile the error-proofing capability of the system is improved when the abnormal conditions such as table lookup timeout and the like possibly caused by accidental network fluctuation are met. And the upper computer is allowed to issue a plurality of matched sorting port numbers at one time, matching is carried out according to the sequence of DestPort 1-DestPort 4, when a task is issued and a sorting port is not idle due to sudden stop, faults and the like, the materials are allowed to be changed to other idle sorting ports, and the materials do not need to be sorted again from the tail sorting port or through a loop line, so that the system performance is improved.
Step 103: and driving a lower computer to sort according to the task information and the issued sorting list and the sorting port current state summary list.
And the PLC simultaneously reads the bar codes, writes the bar codes into a local task table according to the sequence of the acquired bar codes, matches the data which only contains the bar codes and does not have task information in the task table issued by the upper computer in real time, and writes the data into the local task table after acquiring the result.
The PLC terminal program is sequenced according to the sequence of bar codes read by the bar code scanner and written into a local task table, and the structure of the table 3 is as follows.
TABLE 3
It can be seen that the table has the same structure as the issued task table, and only the ActPos field is added at the end as a variable for tracking the current position. The table length is 100.
When the PLC receives the bar code, the bar code is written into the tail end of the table, the data in the table is moved forward in real time through queue operation, and for the bar code field which is only written in, the data which is not matched with the task information is matched with the bar code field in each data structure in the task table issued by the upper computer in real time, if the bar codes are the same, other data in the issued task table are written into the local task table. When the material enters the starting end of the sorting line, the current coordinate is initialized to be 0, and then the current position field is updated according to the increment value fed back by the encoder. And once the current position reaches the coordinates of the sorting opening configured in the system, driving a sorting executing mechanism (a lower computer) to distribute the materials to the sorting opening according to whether the state of the sorting opening is idle or not.
And if the material enters the photoelectric position of the starting end of the sorting line and no specific task information exists in the local ground surface, the material task is directly pointed to the abnormal processing port.
In the actual operation process, the invention allows a plurality of groups of tasks to be written into different addresses simultaneously, and also allows the same task to point to a plurality of sorting ports, so as to improve the material sorting efficiency to the maximum extent.
Fig. 2 is a structural diagram of an upper computer and a lower computer interaction system of the high-speed sorting system provided by the present invention, and as shown in fig. 2, the upper computer and the lower computer interaction system of the high-speed sorting system includes:
the sorting branch port state management module 201 is used for counting the current state of each sorting port, generating a sorting port current state summary list and sending the sorting port current state summary list to an upper computer; the current state includes a full state, an idle state, a manual state, and a fault state.
The issuing sorting list generating module 202 is configured to acquire a barcode and task information corresponding to the barcode by using an upper computer, and generate an issuing sorting list according to the barcode and the task information; the task information comprises a task number, material bar code information, material specification, material grade, weight, height, maximum outer edge size and a target sorting opening number.
The issuing sorting list generation module 202 specifically includes: and the issuing sorting list generating unit is used for writing the task information into the upper computer in a mode of increasing 66 bytes of the offset address in a circulating mode every time, and after 10 groups of task information are written, the 11 th group of task information is rewritten from the offset address 0 to generate an issuing sorting list.
When the upper computer acquires a plurality of bar codes continuously uploaded by the bar code scanner, a plurality of threads are established for simultaneous processing, and processing results of the plurality of threads are written into different addresses.
And the first sorting module 203 is used for driving a lower computer to sort according to the task information and the issued sorting list and the sorting port current state summary list.
The invention also includes: the idle sorting port number issuing module is used for issuing a plurality of idle sorting port numbers at one time by the upper computer according to the sorting port current state summary list; and the second sorting module is used for sorting the task information to the idle sorting openings according to the sequence of the numbers of the idle sorting openings when the sorting openings of the target sorting opening numbers in the task information have faults.
By adopting the upper computer and lower computer interaction method and system of the high-speed sorting system, the material sorting efficiency can be improved to the maximum extent.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. An upper computer and lower computer interaction method of a high-speed sorting system is characterized by comprising the following steps:
counting the current state of each sorting port by using a sorting branch port state management module, generating a sorting port current state summary list and sending the list to an upper computer; the current state comprises a full state, an idle state, a manual state and a fault state;
acquiring bar codes and task information corresponding to the bar codes by using an upper computer, and generating a distribution sorting list according to the bar codes and the task information; the task information comprises a task number, material bar code information, material specification, material grade, weight, height, maximum outer edge size and a target sorting opening number;
and driving a lower computer to sort according to the task information and the issued sorting list and the sorting port current state summary list.
2. The method according to claim 1, wherein the step of acquiring the bar code and the task information corresponding to the bar code by using the upper computer and generating the delivered sorting list according to the bar code and the task information comprises:
and writing the task information into the upper computer in a mode of increasing 66 bytes of the offset address in each cycle, and after writing the task information into 10 groups, rewriting the task information of the 11 th group from the offset address 0 to generate an issued sorting list.
3. The method for interacting the upper computer and the lower computer of the high-speed sorting system according to claim 2, wherein when the upper computer obtains a plurality of barcodes continuously uploaded by the barcode scanner, a plurality of threads are established for simultaneous processing, and processing results of the plurality of threads are written into different addresses.
4. The method of claim 2, wherein the method comprises the steps of obtaining a bar code and task information corresponding to the bar code by using the upper computer, generating a distribution sorting list according to the bar code and the task information, and then:
the upper computer issues a plurality of idle sorting opening numbers at one time according to the sorting opening current state summary list;
and when the sorting port of the target sorting port number in the task information has a fault, sorting the task information to an idle sorting port according to the sequence of the idle sorting port numbers.
5. The method of claim 2, wherein the method comprises the steps of obtaining a bar code and task information corresponding to the bar code by using the upper computer, generating a distribution sorting list according to the bar code and the task information, and then:
writing task information corresponding to the bar codes into a local task table according to the sequence of acquiring the bar codes;
if the bar code does not have task information, writing the task information of the bar code which is the same as the bar code in the issued sorting list into the local task list;
when the material corresponding to the bar code enters the starting end of the sorting line, initializing the current coordinate of the material to be 0, and updating the current position field of the material according to the increment value fed back by the encoder;
when the current position of the material reaches the matched coordinates of the sorting opening in the high-speed sorting system, the lower computer is driven to sort the material according to the current state summary list of the sorting opening;
when the materials corresponding to the bar codes enter the photoelectric device at the starting end of the sorting line, if the task information does not exist in the local task table, the materials are sorted to an abnormal processing sorting port.
6. The method according to claim 1, wherein the step of driving the lower computer to perform sorting according to the task information based on the issued sorting list and the sorting port current status summary list comprises:
inquiring the sorting port current state summary list according to the task information in the issued sorting list, and acquiring the current state of the optimal sorting port corresponding to the task information;
and if the current state of the optimal sorting port is a full state or a fault state, re-matching the sorting ports of the task information according to the sorting port current state summary list.
7. The utility model provides a host computer and next machine interactive system of high-speed letter sorting system which characterized in that includes:
the sorting branch port state management module is used for counting the current state of each sorting port, generating a sorting port current state summary list and sending the sorting port current state summary list to the upper computer; the current state comprises a full state, an idle state, a manual state and a fault state;
the system comprises an issuing sorting list generating module, a sorting processing module and a sorting processing module, wherein the issuing sorting list generating module is used for acquiring bar codes and task information corresponding to the bar codes by utilizing an upper computer and generating an issuing sorting list according to the bar codes and the task information; the task information comprises a task number, material bar code information, material specification, material grade, weight, height, maximum outer edge size and a target sorting opening number;
and the first sorting module is used for driving a lower computer to sort according to the task information and the issued sorting list and the sorting port current state summarizing list.
8. The upper computer and lower computer interactive system of the high-speed sorting system according to claim 7, wherein the issuing sorting list generating module specifically comprises:
and the issuing sorting list generating unit is used for writing the task information into the upper computer in a mode of increasing 66 bytes of the offset address in a circulating mode every time, and after 10 groups of task information are written, the 11 th group of task information is rewritten from the offset address 0 to generate an issuing sorting list.
9. The upper computer and lower computer interactive system of the high-speed sorting system according to claim 8, wherein when the upper computer obtains a plurality of barcodes continuously uploaded by the barcode scanner, a plurality of threads are established for simultaneous processing, and processing results of the plurality of threads are written in different addresses.
10. The high-speed sortation system upper computer and lower computer interaction system as claimed in claim 8, further comprising:
the idle sorting port number issuing module is used for issuing a plurality of idle sorting port numbers at one time by the upper computer according to the sorting port current state summary list;
and the second sorting module is used for sorting the task information to the idle sorting openings according to the sequence of the numbers of the idle sorting openings when the sorting openings of the target sorting opening numbers in the task information have faults.
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