CN112734214A - Production data management system and production data management method - Google Patents
Production data management system and production data management method Download PDFInfo
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Abstract
The application provides a production data management system, which comprises a plurality of regional data management units, a central data management unit and a plurality of data channels. Each regional data management unit comprises a production data input port, a production data output port, a basic data input port and a regional data control module. The central data management unit comprises a production data receiving port, a basic data sending port, a result data sending port and a central data control module. The plurality of data channels include a first data channel, a second data channel, and a third data channel. The first data channel, the second data channel and the third data channel can simultaneously transmit data. In the application, the regional data management units operate independently, and the central data management unit performs one-to-one data transmission interaction with the regional data management units through the data channels, so that the data transmission pressure can be reduced, and the transmission efficiency can be improved. The application also provides a production data management method.
Description
Technical Field
The application relates to the technical field of production, in particular to a production data management system and a production data management method.
Background
At present, a production workshop centralized management System (SFC) mostly uses a single database to store all business data, and production data of the SFC system is provided to external users and used for managing and controlling production in a direct access manner.
In the existing operation mode, a single data management unit is usually adopted, and a single data acquisition channel and a single data output channel are used for storing or acquiring data in the data management unit. However, when the system is upgraded or repaired or the external call data is centralized, some data in the data management unit cannot be effectively acquired from the outside, which results in low efficiency of the whole production management.
Disclosure of Invention
In view of the above, it is necessary to provide a production data management system and a production data management method to solve the above problems.
An embodiment of the present application provides a production data management system, which includes a plurality of regional data management units, a central data management unit, and a plurality of data channels, where each of the regional data management units is configured to collect production data of production equipment in a correspondingly managed region.
Each of the area data management units includes: a production data input port for receiving production data from a production facility; a production data output port for sending production data to the central data management unit; a base data input port for receiving base data from the central data unit; and the regional data control module is used for managing the production data and the basic data.
The central data management unit includes: a production data receiving port for receiving production data from the production data output port; a basic data sending port for sending basic data to the area data management unit; a result data sending port for sending a data request of an external data requester; and the central data control module is used for managing data transmission of the production data receiving port, the basic data sending port and the result data sending port, and receiving a data request of an external data requester and call of related result data.
The plurality of data channels includes: and one end of the first data channel is connected with the production data output port, and the other end of the first data channel is connected with the production data receiving port, and is used for transmitting production data between the production data output port and the production data receiving port. And one end of the second data channel is connected with the basic data sending port, and the other end of the second data channel is connected with the basic data input end and is used for transmitting basic data between the basic data sending port and the basic data input port. And the third data channel is connected with the result data sending port and used for transmitting the result data from the result data sending port to a data request party.
In an embodiment, the central data management unit further includes a data storage module and a central data temporary storage module. The data storage module is used for storing the production data and the basic data, and the central data temporary storage module is used for temporarily storing the production data and the basic data in a preset time period.
In an embodiment, the central data management unit sends basic data to the area data management unit where the production equipment is located according to the production equipment information.
In an embodiment, the central data management unit further comprises a basic data receiving port for receiving basic data from a Web/application platform. The multiple data channels further comprise a fourth data channel, one end of the fourth data channel is connected with the Web/application platform, and the other end of the fourth data channel is connected with the basic data receiving port and used for transmitting basic data between the Web/application platform and the basic data receiving port.
In one embodiment, each of the area data management units corresponds to a production apparatus set within a preset range.
In an embodiment, each of the local data management units further includes a local data temporary storage module for temporarily storing the production data within a predetermined time period and clearing the production data outside the predetermined time period.
In an embodiment, the regional data management unit is configured to send the basic data from the central data management unit to a production facility.
In one embodiment, the basic data includes equipment information and location information, and the production data includes yield, processing parameters, and processing time.
In an embodiment, the third data channel receives data requests from a plurality of external data requesters in real time, and simultaneously sends corresponding result data to the plurality of external data requesters.
In an embodiment, each of the regional data management units further includes a relational database, a time-series database, and an in-memory database. The relational database is used for storing service type data in the production equipment, the time sequence database is used for storing logs of the production equipment, and the memory database is used for storing configuration items of the production equipment.
The application also provides a production data management method, which comprises the following steps:
a plurality of regional data management units collect production data of production equipment in corresponding management regions;
the plurality of regional data management units send the production data to a central data management unit through a first data channel;
the central data management unit sends basic data to the plurality of regional data management units through a second data channel;
an external data request party sends a data request to the central data management unit;
and the central data management unit sends the result data to the data requester through a third data channel according to the data request of the external data requester.
In one embodiment, the production data management method further includes: and the central data management unit receives the basic data sent by the Web/application platform through a fourth data channel.
In an embodiment, the third data channel is further configured to receive a data request of the external data requester in real time.
According to the production data management system and the production data management method, each regional data management unit collects the production data of the production equipment in the corresponding managed region in real time, and the regional data management units operate independently when collecting and summarizing the production data of the corresponding production equipment. The central data management unit performs data transmission interaction with each regional data management unit through a plurality of data channels, each data channel corresponds to one regional data management unit, data transmission pressure caused when the plurality of regional data management units transmit data with the central data management unit at the same time can be avoided, and data transmission efficiency between the central data management unit and each regional data management unit is improved.
Drawings
Fig. 1 is a schematic structural diagram of a production data management system according to an embodiment of the present application.
Fig. 2 is a schematic diagram illustrating a central data management unit according to an embodiment of the present application.
Fig. 3 is a schematic diagram illustrating a composition of a region data management unit according to an embodiment of the present application.
FIG. 4 is a flowchart illustrating operation of the production data management system according to an embodiment of the present application.
Description of the main elements
Production data management system 10
Area data management unit 110
Region data control Module 1101
Region data temporary storage module 1102
Production data input port 1110
Production data output port 1120
Basic data input port 1130
The central data management unit 120
Central data control module 1201
Central data temporary storage module 1202
Production data receiving port 1210
Basic data transmission port 1220
Result data transmitting port 1230
Basic data receiving port 1240
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1, an embodiment of the present application provides a production data management system 10, which includes a plurality of regional data management units 110, a central data management unit 120, and a plurality of data channels, wherein each of the regional data management units 110 is configured to collect production data of production equipment in a corresponding managed region.
The production data management system 10 is used for performing comprehensive management on relevant data in the production process, wherein the relevant data comprises work order information, correction information of workpieces, information required by production and the like; the integrated management refers to operations such as collection, correction and application of related data. For example: in the production process, the station equipment of each assembly line scans and identifies the workpieces flowing to the corresponding station to obtain information of the workpieces, the station equipment transmits the obtained information of the workpieces to the line management equipment of the corresponding assembly line, each line management equipment further transmits the obtained information of the workpieces to the workshop management equipment, the workshop management equipment transmits the obtained information of the workpieces to the floor management equipment, and so on, and finally the information of the workpieces is collected in the production data management system 10.
Referring to fig. 2 and 3 together, each area data management unit 110 includes: a production data input port 1110 for receiving production data from a production facility; a production data output port 1120 for sending production data to the central data management unit 120; a base data input port 1130 for receiving base data from the central data unit; the regional data control module 1101 is configured to manage production data and basic data. The central data management unit 120 includes: a production data receiving port 1210 for receiving production data from the production data output port 1120; a basic data transmission port 1220 for transmitting the basic data input port 1130 to the area data management unit 110; a result data transmitting port 1230 for transmitting a data request of an external data requester; the central data control module 1201 is configured to manage data transmission of the production data receiving port 1210, the basic data transmitting port 1220, and the result data transmitting port 1230, and receive a data request from an external data requesting party and a call of related result data.
In one embodiment, the local data control module 1101 and the central data control module 1201 may be respectively a programmable processor.
The control ranges of the area data management unit 110 and the central data management unit 120 may be divided according to factors such as line, workshop, area, floor, and the like. For example: a building is provided with a central data management unit 120, the building comprises a plurality of floors, each floor is provided with a regional data management unit 110, production equipment existing in one floor is an object controlled by one regional data management unit 110, and the regional data management units 110 of the whole building are all connected with the central data management unit 120, send production data to the central data management unit 120 and receive basic data sent by the central data management unit 120.
In one embodiment, the production data may be work order information, such as: the work station where the workpiece is located (the located process flow node), the work station through which the workpiece needs to flow, the current yield and other basic information.
In one embodiment, the base data includes: production data, such as which workpieces are needed, which stations the workpieces are needed to flow through; and the equipment information in the corresponding area, such as the change of the station of the equipment and the information of newly added equipment.
In one embodiment, the data request refers to a request for obtaining relevant data sent by an external data requester to the central data management unit 120, and the result data may be data obtained by the central data management unit 120 through certain program operations on the result data and the basic data in the database according to the data request of the external data requester, for example: reports, big data analytics reports, and the like.
The plurality of data channels includes: a first data channel 130, one end of the first data channel 130 is connected to the production data output port 1120, and the other end of the first data channel 130 is connected to the production data receiving port 1210, for transmitting production data between the production data output port 1120 and the production data receiving port 1210; a second data channel 140, one end of the second data channel 140 is connected to the basic data transmitting port 1220, and the other end of the second data channel is connected to the basic data input port 1130, for transmitting the basic data between the basic data transmitting port 1220 and the basic data input port 1130; and a third data channel 150 connected to the result data transmitting port 1230, for transmitting the result data from the result data transmitting port 1230 to the data requesting party.
In one embodiment, the transmission of the production data and the basic data can be performed synchronously, wherein the transmission process of the production data is as follows: each device transmits the production data to the database of the regional data management unit 110 through the data extraction module. For example: the data extraction module includes an API (application programming interface) program, and writes required production data, such as information on workpieces flowing through a specific workstation, information on designated workpiece models, and the like, into the API program by an extraction program, and the API program captures the production data according to the predetermined extraction program and transmits the captured production data to the database of the local data management unit 110 through the production data channel 170.
The transmission process of the basic data is as follows: the basic data in the database of the central data management unit 120 can be synchronously transmitted to the database of the regional data management unit 110 through the second data channel 140, and synchronously updated to the API program, and the API program captures the production data in real time according to the updated basic data.
The interaction process of the production data of the regional data management unit 110 and the central data management unit 120 is as follows: the production equipment in each regional data management unit 110 starts an API program by using a CS (Client/Server) program, the API program captures data from the production equipment according to a set data extraction program, the captured data is transmitted from a production data input port 1110 to a database of the regional data management unit 110 through a production data channel 170, the production data in the regional data management unit 110 flows into a first data channel 130 through a production data output port 1120 and is synchronized to the database of the central data management unit 120 through a production data receiving port 1210, the external part calls the storage data of the database of the central data management unit 120 through the CS (Client/Server) program, the called data is converted by the set program to form result data, the result data flows into a third data channel 150 through a result data transmitting port 1230 and finally flows to a requesting party, for its use.
The CS (Client/Server) program refers to a kind of operation window established between local networks in a dedicated small-scale network environment and providing connection and data exchange services through a dedicated Server, for example: the program is started quickly.
Further, data capture is realized in real time by data bus in the transmission of the data in the first data channel 130, the second data channel 140 and the third data channel 150, for example: when the production data in the database of the regional data management unit 110 is changed, the Databus directly captures the change data into the database of the central data management unit 120, and when the basic data in the database of the central data management unit 120 is changed, the Databus directly captures the change data into the database of the regional data management unit 110. The Databaus is a real-time, reliable and consistent data change capture system.
In this embodiment, each regional data management unit 110 collects production data of production equipment in a correspondingly managed region in real time, and operates independently when collecting and summarizing the production data of each corresponding production equipment. The central data management unit 120 performs data transmission interaction with each regional data management unit 110 through a plurality of data channels, each data channel corresponds to one regional data management unit 110, so that data transmission pressure caused when a plurality of regional data management units 110 simultaneously transmit data with the central data management unit 120 can be avoided, and the efficiency of data transmission between the central data management unit 120 and each regional data management unit 110 is improved. Since the respective area data management units 110 are independent of each other, even if one area data management unit 110 goes down or needs maintenance, other area data management units 110 are not affected.
In the operation process, the calling amount of the basic data is smaller than that of the production data and the result data. Therefore, in one embodiment, to ensure efficient utilization of the data channel, the transmission capacity of the second data channel 140 is less than the transmission capacities of the first data channel 130 and the third data channel 150.
In an embodiment, the first data channel 130, the second data channel 140, and the third data channel 150 are independent from each other, and each data channel can transmit data simultaneously as required, so as to improve the transmission efficiency of data amount.
Referring to fig. 1 and fig. 2, in an embodiment, the central data management unit 120 further includes a data storage module 1203 and a central data temporary storage module 1202. The data storage module 1203 is configured to permanently store the production data and the basic data, and the central data temporary storage module 1202 is configured to temporarily store the production data and the basic data within a preset time period, which will be apparent to those skilled in the art, such that the data size of the data storage module 1203 is much larger than that of the central data temporary storage module 1202. The design of the preset time period can be designed according to the update speed and the call frequency of the production data and the basic data, for example: the update cycle of the production data is one week, and the production data calling frequency in the last two cycles is higher, the preset time period can be two weeks, and after the preset time period is reached, the latest production data and basic data update covers the previously correspondingly stored production data and basic data. Accordingly, when the external data requester requests the result data, the central data management unit 120 may preferentially search and calculate in the central data temporary storage module 1202 with a smaller data amount, and search in the data storage module 1203 only when the data stored in the central data temporary storage module 1202 cannot meet the requirement, thereby greatly improving the search and calculation efficiency. In one embodiment, the central data management unit 120 sends the basic data to the area data management unit 110 where the production equipment is located through the second data channel 140 according to the information requirement required by each production equipment during the operation.
Specifically, the production devices corresponding to different regional data management units 110 are different, and after the basic data is updated to the database of the central data management unit 120, the Databus captures the corresponding basic data and transmits the basic data to the database of the regional data management unit 110 where the production device corresponding to each corresponding basic data is located through the second data channel 140. During the transmission, the basic data of the plurality of area data management units 110 are independent and synchronized with each other.
In one embodiment, the central data management unit 120 further comprises a basic data receiving port 1240 for receiving basic data from a Web (i.e., network)/application platform, and the production data management system 10 further comprises a fourth data channel 160, wherein one end of the fourth data channel 160 is connected to the client or application platform, and the other end of the fourth data channel 160 is connected to the basic data receiving port 1240 for transmitting the basic data between the Web/application platform and the basic data receiving port 1240.
Specifically, the basic data receiving port 1240 and the fourth data channel 160 are used for updating the basic data, and the operation process is as follows: basic data (demand information of production data) is collected and summarized, and the basic information is input into the database of the central data management unit 120 through a preset program by the Web/application platform.
Thus, the central data management unit 120 can continuously update the basic data according to the basic information in each managed area data management unit 110 that can be acquired through the Web/application platform.
In one embodiment, each of the area data management units 110 corresponds to a production apparatus set within a preset range, respectively. Wherein, the preset range can be set according to lines, floors and the like.
Specifically, after being divided, the regional data management units 110 operate independently of each other, and each regional data management unit has a separate database or a separate data storage unit to store production data and basic data corresponding to production equipment, so as to avoid the change of databases in other regional data management units due to the change of production data or basic data in one regional data management unit.
In one embodiment, each local data management unit 110 further includes a local data temporary storage module 1102 for temporarily storing the production data within the predetermined time period and covering the production data outside the predetermined time period. The setting of the predetermined time period may be determined according to the requirement of each area data management unit 110 and the data storage amount thereof.
In one embodiment, the regional data management unit 110 is configured to send the base data from the central data management unit 120 to the production facility. Specifically, after the area data management unit 110 receives the basic data, the basic data can be directly synchronized into the API program, so as to update the capture program of the API program on the production data.
In one embodiment, the third data channel 150 may receive data requests from multiple external data requesters in real time and simultaneously transmit corresponding result data to the multiple external data requesters. The transmitted result data may be at least one of production data and basic data, or may be data obtained by the central data management unit 120 performing a certain program operation on the production data and the basic data in the database.
In one embodiment, each local data management unit 110 further includes a relational database, a timing database, and an in-memory database. The relational database is used for storing service type data in the production equipment, the time sequence database is used for storing logs of the production equipment, and the memory database is used for storing configuration items of the production equipment.
Specifically, a relational database is a database built on a relational database model, and data in the database is processed by using concepts and methods such as set algebra and the like, for example, oracle, db2, and sqlserver, a time sequence database refers to a database which processes data with time tags (which change in time sequence, i.e., are time-sequenced), the data with time tags is also called time sequence data, and an in-memory database is a database which directly operates by placing data in an in-memory.
The application also provides a production data management method, which comprises the following steps: the plurality of area data management units 110 collect production data of production devices in the corresponding management areas; the plurality of regional data management units 110 transmit the production data to one central data management unit 120 through a first data channel 130; the central data management unit 120 transmits the basic data to the plurality of regional data management units 110 through the second data channel 130; the external data requester sends a data request to the central data management unit 120; the central data management unit 120 transmits the result data to the data requester through the third data channel 150 according to the data request of the external data requester.
In one embodiment, the production data management method further includes: the central data management unit 120 receives the underlying data sent by the Web/application platform through a fourth data channel 160.
In an embodiment, the third data channel 150 is further configured to receive a data request of the external data requester in real time.
Referring to fig. 4, in the present embodiment, the operation flow of the production data management system 10 is as follows: starting an API program by using the CS program, the API program transmitting production data of the workpiece to the database of the regional data management unit 110 through the respective production devices by an internal program, the Databus synchronizing the production data updated to the database of the regional data management unit 110 to the database of the central data management unit 120; the Web/application platform inputs basic information into a database of the central data management unit 120 in a program setting or programming mode, the Databaus synchronizes the changed basic data into a database of the area data management unit 110, and the API program automatically synchronizes the updated basic information; the user starts the external application connected to the central data management unit 120, and the Databus transmits the basic data or/and the production data required by the user to the external application in the form of result data, and finally forms visual data such as a report and big data analysis.
Each regional data management unit 110 of the production data management system 10 of the present application collects production data of production equipment in a corresponding managed region in real time, and operates independently of each other, the central data management unit 120 performs data transmission interaction with each regional data management unit 110 through a plurality of data channels, each data channel corresponds to one regional data management unit 110, which can avoid data transmission pressure caused when a plurality of regional data management units 110 simultaneously transmit data with the central data management unit 120, and improve the efficiency of data transmission between the central data management unit 120 and each regional data management unit 110. And even if one regional data management unit 110 goes down or needs maintenance, other regional data management units 110 are not affected.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (13)
1. A production data management system is characterized by comprising a plurality of regional data management units, a central data management unit and a plurality of data channels, wherein the regional data management units are used for collecting production data of production equipment in a correspondingly managed region;
each of the area data management units includes:
a production data input port for receiving production data from a production facility;
a production data output port for sending production data to the central data management unit;
a base data input port for receiving base data from the central data unit;
a regional data control module for managing the production data and the base data;
the central data management unit includes:
a production data receiving port for receiving production data from the production data output port;
a basic data sending port for sending basic data to the area data management unit;
a result data sending port for sending the result data to an external data requester;
the central data control module is used for managing data transmission of the production data receiving port, the basic data sending port and the result data sending port, and receiving a data request of an external data requester and call of related result data;
the plurality of data channels includes:
one end of the first data channel is connected with the production data output port, and the other end of the first data channel is connected with the production data receiving port, so that production data can be transmitted between the production data output port and the production data receiving port;
one end of the second data channel is connected with the basic data sending port, and the other end of the second data channel is connected with the basic data input end and is used for transmitting basic data between the basic data sending port and the basic data input port;
and the third data channel is connected with the result data sending port and used for transmitting the result data from the result data sending port to a data request party.
2. The production data management system of claim 1, wherein the central data management unit further comprises:
the data storage module is used for storing the production data and the basic data;
and the central data temporary storage module is used for temporarily storing the production data and the basic data in a preset time period.
3. The production data management system according to claim 1, wherein the central data management unit transmits basic data to the area data management unit where the production equipment is located, based on production equipment information.
4. The production data management system of claim 1,
the central data management unit further comprises:
the basic data receiving port is used for receiving basic data from a Web/application platform;
the plurality of data channels further comprises:
and one end of the fourth data channel is connected with the Web/application platform, and the other end of the fourth data channel is connected with the basic data receiving port, and is used for transmitting basic data between the Web/application platform and the basic data receiving port.
5. The production data management system according to claim 1, wherein each of the area data management units respectively corresponds to production devices set within a preset range.
6. The production data management system of claim 1, wherein each of the regional data management units further comprises:
the local data temporary storage module is used for temporarily storing the production data within the preset time period and clearing the production data outside the preset time period.
7. The production data management system of claim 1, wherein the regional data management unit is configured to send the base data from the central data management unit to a production facility.
8. The production data management system of claim 1, wherein the base data includes equipment information and location information, and the production data includes yield, processing parameters, and processing time.
9. The production data management system of claim 1, wherein the third data channel receives data requests from a plurality of external data requestors in real time and simultaneously transmits corresponding result data to the plurality of external data requestors.
10. The production data management system of claim 1, wherein each of the regional data management units further comprises:
the relational database is used for storing the service type data in the production equipment;
the time sequence database is used for storing the log of the production equipment;
and the memory database is used for storing the configuration items of the production equipment.
11. A production data management method, characterized by comprising:
a plurality of regional data management units collect production data of production equipment in corresponding management regions;
the plurality of regional data management units send the production data to a central data management unit through a first data channel;
the central data management unit sends basic data to the plurality of regional data management units through a second data channel;
an external data request party sends a data request to the central data management unit;
and the central data management unit sends the result data to the data requester through a third data channel according to the data request of the external data requester.
12. The production data management method according to claim 11, wherein the production data management method further comprises:
and the central data management unit receives the basic data sent by the Web/application platform through a fourth data channel.
13. The production data management method of claim 11, wherein the third data channel is further configured to receive a data request from the external data requestor in real time.
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