CN116583254A - Data management system - Google Patents
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- CN116583254A CN116583254A CN202180082536.0A CN202180082536A CN116583254A CN 116583254 A CN116583254 A CN 116583254A CN 202180082536 A CN202180082536 A CN 202180082536A CN 116583254 A CN116583254 A CN 116583254A
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- 238000013523 data management Methods 0.000 title claims abstract description 27
- 238000013500 data storage Methods 0.000 claims abstract description 111
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- 238000003860 storage Methods 0.000 claims abstract description 66
- 238000004806 packaging method and process Methods 0.000 claims description 86
- 238000004519 manufacturing process Methods 0.000 claims description 63
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- -1 polypropylene Polymers 0.000 description 2
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/03—Containers specially adapted for medical or pharmaceutical purposes for pills or tablets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G5/00—Setting, i.e. correcting or changing, the time-indication
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0264—Control of logging system, e.g. decision on which data to store; time-stamping measurements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- General Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Manufacturing & Machinery (AREA)
- Theoretical Computer Science (AREA)
- Public Health (AREA)
- Tourism & Hospitality (AREA)
- Primary Health Care (AREA)
- General Business, Economics & Management (AREA)
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- Human Resources & Organizations (AREA)
- Economics (AREA)
- Pharmacology & Pharmacy (AREA)
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- Animal Behavior & Ethology (AREA)
- Strategic Management (AREA)
- Veterinary Medicine (AREA)
- General Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Mechanical Engineering (AREA)
- Electric Clocks (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- General Factory Administration (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Debugging And Monitoring (AREA)
Abstract
The invention provides a data management system capable of more strictly satisfying a synchronism requirement or the like in stored data. The control device 130 and the processing determination device 140 include a local clock unit 150 and a local storage unit 160. The time of each local clock unit 150 is corrected based on the reference time information from the reference time generation unit 122. Each time data is generated in the local storage 160, the data and the data generation time information are stored. The data stored in the local storage 160 and the data generation time information are transmitted to the data storage server 120 and stored in the main storage 121. This makes the time indicated by each local clock unit 150 substantially uniform, and the time of occurrence of the data stored in the main storage unit 121 becomes more accurate. As a result, the synchronism requirement can be satisfied more strictly in the above-described stored data.
Description
Technical Field
The present invention relates to a system for storing and managing data related to the actions of production-related devices.
Background
Various production-related devices have been used in the manufacturing of articles. For example, in a production line of blister sheets (for example, PTP (Press Through Package; push-through packaging) sheets) generally used in the fields of medicines, foods, etc., a blister pack machine, a stacking device, a packaging device, etc. are used for production-related devices. The blister packaging machine is provided with a mechanism for forming a pocket in a container film, a mechanism for accommodating contents (e.g., tablets) in the pocket, a mechanism for attaching a film to the container film, and the like, to manufacture a blister sheet. The stacking device stacks the manufactured blister sheets in units of a plurality of sheets. The packaging device performs processes such as banding (bundling), pillow packaging (packing), boxing, and the like on the stacked plurality of blister sheets. Further, the blister packaging machine and the packaging apparatus are provided with inspection means for determining whether or not the contents, sheets, packages, and the like are good. Such inspection devices may also be referred to as production related devices.
In addition, when an abnormality or the like of a product is found at the time of production, from the viewpoint of preventing the occurrence of a recurrence or the like, a problematic step, the occurrence timing of the abnormality, the number of abnormal products produced, various setting information (for example, temperature, pressure, etc.) concerning the production or the like are investigated. In order to conduct such investigation, various data concerning manufacturing and the like need to be saved. Here, considering ease of investigation, it is preferable to store the data in advance in the form of electronic data. However, since electronic data is easily changed and deleted, measures to ensure the integrity of information must be taken.
As guidelines for securing data integrity and the like, a specification (guide) set by the FDA (Food and Drug Administration; U.S. food and drug administration) is known (ALCOA principle). Five elements are defined in the ALCOA principle. The first element is traceability (attributeable), the second element is sharpness (detail), the third element is synchronicity (content), the fourth element is originality (Original), and the fifth element is correctness (exact). Here, the term "synchronicity" refers to storing data in real time when the data is generated (when processing is executed), and it is necessary to store the time when the data is generated in order to satisfy the synchronicity.
In recent years, in order to strictly adhere to the third requirement (synchronicity) described above, a system has been proposed which includes a control processing means (processing means), a data storage server (server computer), a network (information connection means), and a drive restriction means, and in which when the control processing means, the network, or the data storage server does not function, the drive of a restriction device (for example, the above-described production-related device) is restricted, and data is stored only in the data storage server together with the occurrence time (for example, see patent document 1 below).
In this system, the control processing means performs control processing concerning the operation of the device, and the network performs information transfer between the control processing means and the data storage server. The control processing means stores a processing application for driving the device, and the data storage server stores setting information for executing the processing application. Therefore, when there is an abnormality in the network or the data storage server, the control processing means can no longer read the setting information from the data storage server, and the drive (specifically, the start) of the device is restricted. Thus, when there is an abnormality in the network, the data storage server, and the control processing means, the data to be stored is not generated any more, and as a result, the data stored in the data storage server together with the time becomes data satisfying the synchronization requirement and free from missing.
[ Prior Art literature ]
[ patent literature ]
Patent document 1: japanese patent No. 6762593
Disclosure of Invention
[ problem to be solved by the invention ]
However, in the above system, once the device is started, the data storage server and the network are abnormal, and thus the data cannot be stored in the data storage server. Therefore, although it is conceivable to stop the device once when an abnormality occurs, the device cannot be stopped because data relating to the stop of the device cannot be stored in the data storage server. On the other hand, even if the device is to be continuously operated, the data in operation cannot be stored in the data storage server, and therefore the device cannot be continuously operated.
The present invention has been made in view of the above circumstances, and an object thereof is to provide a data management system capable of storing data even if an abnormality occurs in a data storage server and a network, and capable of satisfying a synchronism requirement more strictly in the stored data.
[ means for solving the problems ]
The following description deals with the respective aspects suitable for solving the above-described problems. In addition, the corresponding mechanism notes its specific action and effect as required.
A data management system for managing data related to operations of a plurality of production-related devices;
The data management system includes:
a plurality of control processing devices each provided for each of the plurality of production-related devices and having a local (local) clock mechanism for measuring a time and a local storage mechanism capable of storing the data, and performing control processing related to the corresponding production-related device;
reference time generation means for generating a reference time and capable of transmitting reference time information, which is information on the reference time;
a data storage server having a main storage means capable of storing the data, and provided separately from the control processing device;
the reference time generation means may transmit the reference time information to the control processing device via a predetermined network at predetermined time intervals or in accordance with a predetermined request;
the control processing device can perform the following operations:
the time of the local clock means can be corrected based on the reference time information transmitted from the reference time generating means via the network;
each time the data is generated, the data and data generation time information, which is information on the time indicated by the local clock means at the time of the data generation, can be stored in the local storage means;
The data stored in the local storage means and the data generation time information can be transmitted to the data storage server via the network;
the data storage server and the network can be confirmed to function;
the corresponding production-related device can be started up on the condition that the data storage server and the network function;
the data storage server may store the data transmitted from the control processing device via the network and the data generation time information in the main storage means.
The data refers to operation information (start, stop, change of setting, etc.) for the production-related device and status information indicating the status of the production-related device. For example, when the production-related apparatus is a blister packaging machine for producing blister sheets, the state information refers to a filling rate of filling the bag portion with the contents, a heating temperature and an application pressure when welding the film to the container film, occurrence information of errors, and the like. Further, for example, when the production-related device is a packaging device that packages and cartoons the stacked blister sheets, the status information refers to, for example, packaging speed, occurrence information of errors, and the like. Further, when the production-related device is an inspection device, the status information is luminance generated by illumination, occurrence information of errors, and the like.
The "predetermined request" refers to a request sent from the control processing device to the reference time generation means, a request automatically generated by the reference time generation means, or the like. The required timing (timing) can be: when the control processing device is started, when the connection between the control processing device and the network is established, when the reference time or the time indicated by the local clock mechanism reaches a preset predetermined time, when the production related device is started, and the like.
According to the above-described claim 1, the control processing device that performs the control processing of the production-related device can confirm that the data storage server and the network (normally) function, and can perform the start-up of the corresponding production-related device on the condition that the data storage server and the network function. Therefore, the production-related device can be prevented from being started in a state where the data cannot be stored in the data storage server, and the integrity of the data stored in the data storage server can be ensured more reliably.
The control processing device stores the data and the data generation time information related to the data in the local storage means every time the data is generated. The data stored in the local storage means and the data generation time information are transmitted to the data storage server via the network. The data storage server stores the data transmitted from the control processing device and the data generation time information in the main storage means. As described above, since data and the like are temporarily stored in the local storage means, even if an abnormality occurs in the data storage server and the network, data and the like can be continuously stored. Therefore, if an abnormality occurs in the data storage server and the network, the operation of the production-related device can be continued to store data in the operation, and the production-related device can be stopped to store data related to the stop. Therefore, when an abnormality occurs in the data storage server and the network, there is no suspense about the storage of data or the like, and the operation of the production-related device can be appropriately selected to be continued or stopped.
In addition, since the data and the like are stored in the local storage means, the disappearance of the data accompanied by the occurrence of an abnormality in the data storage server and the network can be prevented more reliably. As a result, the integrity of the data stored in the data-holding server can be more reliably ensured.
The control processing device corrects the time of the local clock mechanism based on the reference time information transmitted from the reference time generation mechanism via the network. Therefore, the time indicated by each local clock mechanism can be made substantially uniform among the plurality of control processing apparatuses, and each control processing apparatus can acquire the generation time of data using a uniform reference (reference time). This makes it possible to make the occurrence time of data stored in the data storage server (main storage means) more accurate. As a result, the synchronism requirement can be satisfied more strictly in the data stored in the data saving server.
The data management system according to claim 1, wherein the data storage server includes the reference time generation means.
According to the above-described claim 2, the control processing device can confirm that the data storage server and the network (normal) function by receiving the reference time signal. Therefore, the reception of the reference time signal also includes: the control processing device does not need to perform a special operation for confirmation of the function of the data storage server and the network. Therefore, the processing load of the control processing device can be reduced.
A data management system according to claim 2, wherein the control processing device is configured to transmit transmission time information to the data storage server, the transmission time information being information related to a time indicated by the local clock mechanism when the data and the data generation time information are transmitted to the data storage server;
the data storage server may compare a reference time indicated by the reference time generation means when the transmission time information is received with a time based on the transmission time information.
According to the above-described claim 3, the data storage server can compare the reference time indicated by the reference time generation means when the transmission time information is received with the time based on the transmission time information. Therefore, it is possible to grasp whether or not the time indicated by the local clock mechanism of each control processing mechanism is appropriate, and it is possible to cope with the result of the grasp. For example, when the error between the reference time and the time indicated by the local clock exceeds a predetermined value, the time interval for transmitting the reference time signal is shortened, so that the time indicated by each local clock can be made to coincide with each other with higher accuracy.
The data management system according to any one of claims 1 to 3, wherein the control processing device is configured to perform the start-up of the corresponding production-related device on the condition that the data storage server and the network function, and that the reference time information is transmitted from the reference time generation means via the network, and that the time of the local clock means is corrected based on the reference time information.
According to the above-described claim 4, the control processing device can start the corresponding production-related device only after correcting the time of the local clock mechanism based on the reference time signal. Therefore, at the time of starting the production-related apparatus, the time of each local clock mechanism can be aligned with the reference time, and the data stored in the data storage server can more strictly satisfy the synchronism requirement.
The data management system according to any one of claims 1 to 4, wherein the control processing device is not capable of starting the corresponding production-related device when a predetermined time or more has elapsed since the last correction of the time of the local clock mechanism.
According to the above-described claim 5, when the correction of the time of the local clock mechanism is not performed for a predetermined time or more, the control processing device cannot perform the start-up of the corresponding production-related device. Therefore, when there is a risk that the time of the local clock mechanism is greatly deviated from the reference time, the production-related device cannot be started, and further, the storage of data related to the operation of the production-related device can be avoided. Therefore, the data stored in the data storage server (main storage means) can still more strictly satisfy the synchronism requirement.
The data management system according to any one of claims 1 to 5, wherein at least one of the production-related devices is a blister packaging machine that produces a blister sheet that is configured by filling a pocket formed in a container film with a tablet and attaching a film to the container film so as to seal the pocket;
the blister packaging machine is provided with:
a filling mechanism for filling the tablet into the bag; and
A storage mechanism for storing tablets supplied to the filling mechanism;
when at least one of the data storage server and the network is not functioning, the control processing device for performing control processing related to the blister packaging machine continues the operation of the blister packaging machine until at least the accumulating mechanism is emptied.
When it is confirmed that the data storage server and/or the network are not (normally) functioning, the blister pack is immediately stopped, and thus tablets may be stored in the storage means. Since the tablets stored in the storage means are likely to be exposed to air, moisture, or the like, there is a risk that abnormality such as component change occurs when the operation of the blister packaging machine is restarted, and the tablets are in an unsuitable state for use. Therefore, the above-mentioned tablets have to be discarded, which may increase the manufacturing cost.
In this regard, according to the above-described claim 6, the control processing device that performs the control processing relating to the blister pack machine continues the operation of the blister pack machine until at least the tablets stored in the storage means are exhausted when the data storage server and/or the network are not functioning. Therefore, the tablets can be more reliably prevented from being discarded and disposed of, and an increase in manufacturing cost can be suppressed.
Drawings
Fig. 1 is a block diagram showing a schematic configuration of a data management system.
Fig. 2 is a perspective view of the PTP sheet.
Fig. 3 is an enlarged partial cross-sectional view of the PTP sheet.
Fig. 4 is a schematic diagram showing a schematic configuration of a PTP packaging machine or the like.
Fig. 5 is a diagram for explaining a process performed by the control device and the process determination device.
Detailed Description
[ embodiment of the invention ]
Hereinafter, an embodiment will be described with reference to the drawings. As shown in fig. 1, in the present embodiment, the data management system 100 is applied to a production line 200 of PTP sheet 1 (see fig. 2) as a blister sheet, and an inspection apparatus 70 provided corresponding to the production line 200. Before describing the data management system 100, the PTP sheet 1, the production line 200, and the inspection device 70 will be described.
First, a PTP sheet 1 will be described. As shown in fig. 2 and 3, PTP sheet 1 includes: a container film 3 provided with a plurality of bag portions 2; and a film 4 attached to the container film 3 so as to seal the bag portion 2. The container film 3 is formed of a transparent thermoplastic resin material such as PP (polypropylene) or PVC (polyvinyl chloride). On the other hand, the coating film 4 is made of an opaque material (for example, aluminum foil) having a surface provided with a sealing agent (sealant) made of a polypropylene resin or the like. In each bag 2, one tablet 5 as "content" is accommodated in each bag. The material of each film 3, 4, the number and position of the bag portions 2, the content contained in the bag portions 2, and the like are not limited to the above, and may be appropriately changed.
Next, a production line 200 of the PTP sheet 1 will be described. As shown in fig. 1, the production line 200 includes, in order from the upstream side, the PTP packaging machine 10, the stacking device 50, and the packaging device 60. In the present embodiment, PTP packaging machine 10 constitutes "blister packaging machine". In the present embodiment, PTP packaging machine 10, stacking device 50, packaging device 60, and inspection device 70 constitute "production-related devices", respectively.
First, a PTP packaging machine 10 will be described. As shown in fig. 4, a roll of a band-shaped container film 3 is provided on the most upstream side of the PTP packaging machine 10, and the container film 3 fed from the roll is conveyed through a predetermined path. The PTP packaging machine 10 includes, in order from the upstream side along the transport path of the container film 3: a preheating device 15, a bag portion forming device 16, a filling device 21, a sealing device 25, a slit (slit) forming device 33, a marking device 34 and a sheet punching device 37. Further, a reservoir device 20 is provided corresponding to the filling device 21. In the present embodiment, the accumulating device 20 constitutes "accumulating means", and the filling device 21 constitutes "filling means".
The preheating device 15 performs preheating of the container film 3. The bag forming apparatus 16 forms the bag 2 on the preheated container film 3 using a predetermined die or the like.
The filling device 21 includes a cylindrical chute (channel) for accommodating the tablets 5 in a row, and a shutter (shutter) (not shown) capable of opening and closing the outlet of the chute, and fills the bags 2 with the tablets 5 by opening the shutter at a predetermined timing. The filling device 21 may be provided with an adsorption drum (not shown) capable of adsorbing the tablet 5, and may fill the bag 2 with the tablet 5 by desorption.
The accumulating device 20 can accumulate a large number of tablets 5, and sequentially supply the accumulated tablets 5 to the filling device 21.
The sealing device 25 includes a heating roller 25a having a heating function and a film feeding roller 25b for continuously feeding the container film 3, and attaches the cover film 4 to the container film 3 so as to seal the bag portion 2. More specifically, the coating film 4 is guided to the heating roller 25a, and the coating film 4 is attached to the container film 3 by passing between the container film 3 and the coating film 4 in the heat and pressure bonding state between the two rollers 25a and 25 b. By attaching the film 4 to the container film 3, a band-shaped PTP film 6 in which the tablets 5 are accommodated in each pocket 2 is manufactured.
The slit forming means 33 forms a slit for separation at a predetermined position of the PTP film 6. The embossing device 34 applies an embossing at a predetermined position (e.g., a label portion) of the PTP film 6. In fig. 2, the slit and the mark are omitted.
The sheet punching device 37 has a function of punching the outer edge of the individual PTP sheet 1 against the PTP film 6, i.e., cutting the PTP sheet 1 from the PTP film 6.
The PTP sheet 1 obtained by the sheet die cutting apparatus 37 is conveyed to the stacking apparatus 50 by a conveyor (conveyor) 39. However, when the defective product is determined by the processing determination device 140 described later, the PTP sheet 1 related to the determination of the defective product is not fed to the stacking device 50 but is discharged by a defective sheet discharge mechanism not shown. Further, a scrap (clip) portion remaining after punching of the PTP film 6 is cut to a predetermined size by a cutting device 41, and then stored in a scrap hopper (hopper) 43.
In the PTP packaging machine 10, the conveyance state of the container film 3 and the PTP film 6 is suitably changed to continuous conveyance or intermittent conveyance in order to cope with the respective processes performed by the above-described various devices. In order to prevent loosening of the container film 3 and the like due to the above-described change in the conveying state, a tension roller for maintaining the tension (tension) of the container film 3 and the like within a certain range is provided at a predetermined position of the conveying path of the container film 3 and the like.
Returning to fig. 1, the stacking apparatus 50 stacks the supplied PTP sheets 1 by a predetermined number, and then transfers the stacked PTP sheets 1 to the packaging apparatus 60 responsible for the next step.
The packaging device 60 includes a pillow type packaging machine, a band packaging machine, a boxing device, and the like, and performs packaging and boxing processes on the PTP sheets 1 transferred from the stacking device 50 to produce a sheet package in which the PTP sheets 1 are boxed and packaged. And finally, discharging the sheet of package.
The inspection device 70 is provided corresponding to the PTP packaging machine 10 and the packaging device 60, and is a device for inspecting an object to be inspected. When provided in the inspection device 70 of the PTP packaging machine 10, the object to be inspected is a tablet portion or the like such as the tablet 5, the container film 3, or the like. When the inspection device 70 provided in the packaging device 60 is provided, the object to be inspected is a sheet package.
In the present embodiment, a plurality of inspection devices 70 are provided, and each inspection device 70 is provided at a suitable position according to the content to be inspected. For example, an inspection device 70 for inspecting the appearance of the tablet 5 filled in the bag 2, the contamination of the bag 2 with foreign matter, and the like is provided along the conveying path of the container film 3 immediately downstream of the filling device 21 (see fig. 4).
An inspection device 70 (not shown in fig. 4) for inspecting the appearance of the tablets 5 before filling the bag 2 is provided corresponding to a conveying path of the tablets 5 upstream of the filling position of the tablets 5 into the bag 2. An inspection device 70 (not shown in fig. 4) for inspecting the sealing state of the PTP film 6 is provided along the conveying path of the PTP film 6 immediately downstream of the sealing device 25. In addition, an inspection device 70 for inspecting the appearance, weight, and the like of the sheet package is provided along the conveying path of the package in the packaging device 60.
Each inspection apparatus 70 includes various means (e.g., an illumination device, a camera, a weight measuring device, etc.) for acquiring various inspection information (e.g., image data of an object to be inspected, a weight of the object to be inspected, etc.) about the object to be inspected. Further, a processing determination device 140 described later is provided for each inspection device 70, and each inspection device 70 sends information acquired by using the above-described various means to the corresponding processing determination device 140. For example, the inspection device 70 (see fig. 4) for inspecting the appearance and the like of the tablet 5 filled in the bag 2 picks up an image of the tablet 5 and the container film 3 by a camera in a state where a predetermined light is irradiated from the illumination device to the tablet 5 and the container film 3. The inspection device 70 also sends the image data obtained by the image capturing to the processing determination device 140 corresponding to the inspection device 70.
Next, the data management system 100 will be described. The data management system 100 stores and manages data related to the operation of each device (PTP packaging machine 10, etc.) constituting the production line 200 and each inspection device 70 together with the occurrence time of the data. The data management system 100 includes a network 110, a data storage server 120, a control device 130, and a processing determination device 140. In the present embodiment, the control device 130 and the processing determination device 140 are provided in plural (however, only one processing determination device 140 is shown in fig. 1). The control device 130 and the processing determination device 140 correspond to "control processing devices", respectively.
The network 110 is configured by, for example, a local area network (Local Area Network) line, and enables communication among the plurality of control devices 130, the plurality of processing determination devices 140, and the data storage server 120. The network 110 includes an upstream network 111, a downstream network 112, a relay device 113, and the like.
The upstream network 111 is responsible for communication among the plurality of processing determination devices 140, the data storage server 120, and the relay device 113. The downstream network 112 is responsible for communication between the plurality of control devices 130 and the relay device 113.
The relay device 113 is configured by a computer system including the following components: a CPU as an arithmetic means, a ROM storing various programs, a RAM temporarily storing various data, and a storage medium (e.g., a memory, HDD, SSD, etc.) for storing information for a long period of time. The relay device 113 includes a storage unit 113a formed of the storage medium. The storage unit 113a stores various programs, parameters, and the like related to relay of communication. The relay device 113 relays communication between the upstream network 111 and the downstream network 112 according to a program or the like stored in the storage unit 113a.
The data storage server 120 stores data concerning operations of each device and each inspection device 70 constituting the production line 200 and the occurrence time of the data. The data storage server 120 is configured by a computer system including CPU, RAM, ROM, a storage medium, and the like.
The data storage server 120 includes a main storage unit 121 and a reference time generation unit 122. In the present embodiment, the main storage unit 121 constitutes "main storage means", and the reference time generation unit 122 constitutes "reference time generation means".
The main storage unit 121 is configured by the storage medium, and stores data and data generation time information sent from the control device 130 and the processing determination device 140. The data generation time information is information indicating the time at which data is generated in relation to the operations of each device and each inspection device 70 constituting the production line 200.
The reference time generation unit 122 is configured by a clock function in the data storage server 120, and generates a reference time. The reference time is a reference for time synchronization of the time points of the plurality of local clock units 150 to be described later. The reference time generation unit 122 transmits reference time information, which is information indicating the reference time, to the control device 130 and the processing determination device 140 via the network 110. The reference time information is transmitted at predetermined time intervals or in accordance with predetermined requirements.
The "predetermined request" refers to a transmission request of the reference time information sent from the control device 130 and the processing determination device 140 to the reference time generation unit 122, a transmission request of the reference time information automatically generated by the reference time generation unit 122, and the like. The required timing can be: at the time of starting the control device 130 and the processing determination device 140, at the time of establishing connection between the control device 130 and the processing determination device 140 and the network 110, at the time of reaching a predetermined time set in advance at a reference time or a time indicated by the local clock unit 150, at the time of starting the production-related devices such as the PTP packaging machine 10, and the like.
In the present embodiment, the reference time information is basically transmitted at predetermined time intervals (for example, at 24-hour intervals). The reference time information is also transmitted at the time of activation of the control device 130 and the processing determination device 140.
The data storage server 120 is configured to be able to receive transmission time information, which will be described later, from the control device 130 and the processing determination device 140. The data storage server 120 compares the reference time indicated by the reference time generation unit 122 when the transmission time information is received with a time based on the transmission time information (that is, a time when the control device 130 performs transmission processing of data or the like). When the difference between the two times is equal to or less than a predetermined value, the data storage server 120 determines that the time indicated by the local clock unit 150 described later is appropriate. On the other hand, when the difference between the two times exceeds the predetermined value, it is determined that the time indicated by the local clock section 150 is unsuitable. When it is determined that there is an inconvenience, the data storage server 120 performs a response such as shortening the transmission interval of the reference time information so as to match the time indicated by each local clock unit 150 with each other more accurately. The data storage server 120 may notify the outside that there is an abnormality in the time when the difference between the two times exceeds a predetermined value.
In the present embodiment, the data storage server 120 (reference time generation unit 122) is connected to the upstream network 111 by a wired system. Therefore, the communication stability relating to the transmission of the reference time information can be improved as compared with the wireless connection. The connection state of the control device 130 and the processing determination device 140 to the network 110 may be wired or wireless.
In addition, the program and parameters transmitted from the control device 130 and the processing determination device 140 to activate each device and each inspection device 70 constituting the production line 200 can be stored as a backup (backup) in the storage medium of the data storage server 120.
In addition, the access right to the data storage server 120 is owned by a limited manager, and a general worker cannot log in the data storage server 120 to change and delete the information stored in the main storage unit 121 and the reference time stored in the reference time generation unit 122.
The control device 130 is provided for each of the PTP packaging machine 10, the stacking device 50, and the packaging device 60, and performs control processing of the corresponding devices. That is, one control device 130 performs operation control of PTP packaging machine 10, the other control device 130 performs operation control of stacking device 50, and the other control device 130 performs operation control of packaging device 60.
Each control device 130 is configured by a computer system including CPU, RAM, ROM, a storage medium, and the like, and a program and parameters for controlling the operation of the device are stored in the storage medium. Each control device 130 controls the operation of the corresponding device according to the stored program and parameters. For example, the control device 130 corresponding to the PTP packaging machine 10 controls the start, stop, operation timing, operation speed, heating temperature, heating time, application pressure, and the like of each device (the bag forming device 16, the filling device 21, the sealing device 25, the sheet punching device 37, and the like) constituting the PTP packaging machine 10.
The processing determination device 140 is provided for each inspection device 70, and performs control processing of the corresponding device. Each processing determination device 140 is configured by a computer system including a RAM, a ROM, a storage medium, and the like, and a program and parameters for performing an operation control of the inspection device 70 and an inspection process based on information sent from the inspection device 70 are stored in the storage medium. Each processing determination device 140 controls the operation of the inspection device 70 (for example, start, stop, imaging timing of the camera, illumination brightness, and the like) and determines whether or not the inspected object is good, based on the stored program and parameters.
The control devices 130 and the process determination devices 140 (hereinafter, simply referred to as "control devices 130 and the like") transmit programs and parameters for operating the corresponding devices to the data storage server 120 at predetermined timings via the network 110. As described above, the program and the like are stored as a backup in the data storage server 120.
Each control device 130 and the like includes a local clock unit 150 for measuring time and a local storage unit 160 for storing data related to the operation of the corresponding device. In the present embodiment, the local clock unit 150 constitutes "local clock means", and the local storage unit 160 constitutes "local storage means". The local clock unit 150 is configured by a clock function of each control device 130 and the like.
Each control device 130 and the like corrects the time of the local clock unit 150 based on the reference time information transmitted from the reference time generation unit 122 via the network 110. Thus, as long as the network 110 and the like are not abnormal, the time indicated by the local clock unit 150 substantially coincides with the reference time.
Each control device 130 and the like store data generation time information, which is information about the time indicated by the local clock unit 150 at the time of data generation, in the local storage unit 160 (see fig. 5) each time data is generated in the corresponding device. The "data" refers to information required for reproducing or verifying the status of the device, such as operation information of the device (for example, log file (log) concerning start, stop, setting change, etc.) or status information of the device (heating temperature, applied pressure, error occurrence, brightness of the lighting device, good determination result, etc.). The data described above occurs by the progress of the operation and confirmation of the state.
The control devices 130 and the like transmit the data stored in the local storage 160 and the data generation time information to the data storage server 120 via the network 110 (see fig. 5). The data and the like are transmitted, for example, every time the time of the local clock unit 150 reaches a predetermined time set in advance, every time a predetermined time interval is set in advance, every time the size (size) of the data and the like stored in the local storage unit 160 reaches a predetermined amount, or every time the data and the like are stored. The data and the data generation time information are not transmitted to the data storage server 120 until they are stored in the local storage unit 160.
In addition, each control device 130 and the like can transmit transmission time information, which is information about the time indicated by the local clock unit 150 when the data storage server 120 transmits the data and the like, to the data storage server 120 via the network 110. In the present embodiment, when transmitting the data and the data generation time information, each control device 130 and the like transmits the transmission time information together with the data and the like to the data storage server 120 (see fig. 5).
Further, each control device 130 and the like can confirm that the data storage server 120 and the network 110 function normally. In the present embodiment, each control device 130 and the like confirms that the data storage server 120 and the network 110 function normally based on whether or not the reference time information is received at a predetermined time. Further, each control device 130 may transmit a predetermined acknowledgement signal to the data storage server 120 via the network 110, for example, and confirm that the data storage server 120 and the network 110 are functioning normally based on whether or not a response (reaction) signal to the transmission is received from the data storage server 120. When the network 110, the control devices 130, and the like are connected wirelessly, a short-time communication stop may occur due to the nature of the wireless connection, and it is preferable to set the communication stop to be ignored during the confirmation.
Further, when a predetermined start signal or stop signal is input by a predetermined input mechanism, each control device 130 or the like starts or stops PTP packaging machine 10, stacking device 50, packaging device 60, and inspection device 70. However, in the present embodiment, the control devices 130 and the like set the starting conditions of the devices (PTP packaging machine 10 and the like) as follows. That is, the 1 st start condition is that the data storage server 120 and the network 110 function normally. The 2 nd start condition is a time when the local clock section 150 is corrected based on the transmitted reference time information. The 3 rd start condition is that a predetermined time (for example, 24 hours or more) has not elapsed since the time point of the local clock unit 150 was corrected. Each control device 130 and the like can start the device (PTP packaging machine 10 and the like) only when all the above-described start conditions are satisfied.
In addition, after the corresponding PTP packaging machine 10, inspection device 70, and the like are started, each control device 130 and the like perform the following operation when it is confirmed that at least one of the data-storage server 120 and network 110 does not function normally.
That is, the control device 130 that performs the control processing relating to the PTP packaging machine 10 continues the operation of the PTP packaging machine 10 until at least the accumulation device 20 is emptied. Specifically, in the present embodiment, the control device 130 continues the operation of the PTP packaging machine 10 until the accumulation device 20 is emptied and the PTP sheet 1 can be produced using the tablets 5 accumulated in the accumulation device 20. Further, the control device 130 stops the PTP packaging machine 10 at a stage when the tablet 5 is insufficient and the PTP sheet 1 cannot be manufactured any more.
Further, the control device 130 that performs the control processing related to the stacking device 50 continues the operation of the stacking device 50 until the PTP sheet 1 fed from the PTP packaging machine 10 is insufficient so as to stack the PTP sheet 1. Further, the control device 130 stops the stacking device 50 at a stage where the PTP packaging machine 10 stops and the PTP sheets 1 cannot be stacked any more by a predetermined number.
The control device 130 that performs the control process related to the packaging device 60 continues the operation of the packaging device 60 until the packaging process and the boxing process are performed on all the PTP sheets 1 transferred from the stacking device 50. The control device 130 stops the packaging device 60 at a stage when packaging processing and the like for all the PTP sheets 1 are completed.
In addition, the process determination device 140 that performs the control process related to the inspection device 70 causes the operation of the inspection device 70 to continue while the PTP packaging machine 10 and the packaging device 60 continue to operate. The process determination device 140 stops the inspection device 70 in conjunction with stopping the PTP packaging machine 10 and the packaging device 60.
In the case where the network 110 and the data storage server 120 do not function normally, the local storage 160 is similarly continuously stored with data and data generation time information even when production and inspection are continued. When PTP packaging machine 10 and inspection device 70 stop, data and data-generation time information relating to the stop are stored in local storage 160. The stored data and the like are transmitted to the data storage server 120 via the network 110 at a stage when the network 110 and the data storage server 120 return to normal and function.
Further, when it is confirmed that the data storage server 120 and the network 110 do not function normally, the PTP packaging machine 10, the inspection device 70, and the like may be stopped immediately. The data related to the stop and the data generation time information are stored in the local storage unit 160.
As described above in detail, according to the present embodiment, the control device 130 and the like can confirm that the data storage server 120 and the network 110 (normally) are functioning, and can activate the PTP packaging machine 10, the inspection device 70, and the like in response to the condition that the data storage server 120 and the network 110 are functioning. Therefore, the PTP packaging machine 10 and the like can be prevented from being started in a state where data cannot be stored in the data-storage server 120, and the integrity of the data stored in the data-storage server 120 can be ensured more reliably.
Further, since the data and the data generation time information are stored in the local storage unit 160 before being transmitted to the data storage server 120, even if an abnormality occurs in the data storage server 120 or the network 110, the data and the like can be continuously stored. Therefore, if an abnormality occurs in the data storage server 120 or the network 110, the operation of the PTP packaging machine 10 or the like can be continued to store data in the operation, and the PTP packaging machine 10 or the like can be stopped to store data related to the stop. Therefore, when an abnormality occurs in the data storage server 120 or the network 110, the operation of the PTP packaging machine 10 or the like can be appropriately selected to be continued or stopped without giving rise to a suspense about the storage of data or the like.
In addition, since data and the like are stored in the local storage 160, it is possible to more reliably prevent the disappearance of data associated with an abnormality in the data storage server 120 or the network 110. As a result, the integrity of the data stored in the data-holding server 120 can be more reliably ensured.
Further, each control device 130 and the like corrects the time of the local clock unit 150 based on the reference time information transmitted from the reference time generation unit 122 via the network 110. Therefore, the time indicated by the plurality of local clock units 150 can be made substantially uniform, and each control device 130 and the like can acquire the generation time of data using a uniform reference (reference time). This makes it possible to make the occurrence time of the data stored in the data storage server 120 (main storage unit 121) more accurate. As a result, the synchronism requirement can be satisfied more strictly in the data stored in the data saving server 120.
The control devices 130 and the like can start the corresponding PTP packaging machine 10, inspection device 70, and the like after correcting the time of the local clock unit 150 based on the reference time signal. Therefore, at the time of starting the PTP packaging machine 10 or the like, the time of each local clock unit 150 can be set to the reference time, and the data stored in the data storage server 120 can further more strictly satisfy the synchronism requirement.
When the time of the local clock unit 150 is not corrected for a predetermined period or more, the control devices 130 and the like cannot activate the corresponding PTP packaging machine 10, inspection device 70, and the like. Therefore, when there is a risk that the time of the local clock unit 150 is greatly deviated from the reference time, the PTP packaging machine 10 or the like cannot be started, and further, it is possible to avoid storing data concerning the operation of the PTP packaging machine 10 or the like. Therefore, the data stored in the data storage server 120 (main storage unit 121) can still more strictly satisfy the synchronism requirement.
In the present embodiment, the data storage server 120 includes a reference time generation unit 122. Accordingly, each control device 130 and the like can confirm that the data storage server 120 and the network 110 (normal) function by receiving the reference time signal. Therefore, the reception of the reference time signal is a confirmation of the functioning of the data storage server 120 and the network 110, and the respective control devices 130 and the like do not need to perform a special operation for the confirmation. Therefore, the processing load of each control device 130 and the like can be reduced.
In addition, the data storage server 120 can compare the reference time indicated by the reference time generation unit 122 when the transmission time information is received with the time based on the transmission time information. Thus, it is possible to grasp whether or not each of the time points indicated by each local clock unit 150 is appropriate, and to cope with the result of the grasping.
Further, when the data storage server 120 and/or the network 110 do not function, the control device 130 that performs control processing related to the PTP packaging machine 10 continues the operation of the PTP packaging machine 10 until at least the tablets 5 stored in the storage device 20 are used up. Therefore, the tablets 5 can be prevented from being left in the accumulating device 20 for a long time, and even more reliably, the tablets 5 can be prevented from being discarded. This can suppress an increase in manufacturing cost.
The present invention is not limited to the description of the above embodiments, and may be implemented as follows, for example. Needless to say, other application examples and modification examples not illustrated below can be implemented.
(a) In the above embodiment, the start conditions of the PTP packaging machine 10, the inspection device 70, and the like are as follows: the data storage server 120 and the network 110 function normally, correct the time of the local clock unit 150 based on the reference time information, and not less than a predetermined time has elapsed since the time of the local clock unit 150 was corrected. In contrast, the starting conditions may be changed as appropriate. For example, the start condition may be configured not to include a condition related to correction of the time of the local clock unit 150. In this case, when the PTP packaging machine 10, the inspection device 70, or the like is started, a request for transmission of a reference time signal may be sent from the control device 130 or the processing determination device 140 to the data storage server 120 (reference time generation unit 122), and the time of the local clock unit 150 may be corrected based on the reference time signal received as a response to the request.
(b) In the above embodiment, the reference time generation unit 122 is provided in the data storage server 120, but the reference time generation unit may be provided separately from the data storage server 120. For example, the reference time generation unit may be a device that is connected to the network 110 (for example, the upstream network 111) in a state that is independent of the data storage server 120, the control device 130, and the processing determination device 140. At least one of the control devices 130 and the like may be provided with a reference time generation unit.
(c) In the above embodiment, the data management system 100 is applied to the production and inspection of the PTP sheet 1, but the data management system may be applied to the production, inspection, and the like of products other than the PTP sheet 1.
(d) In the above embodiment, only one reference time generation unit 122 is provided, but a plurality of reference time generation units may be provided, and the reference time signal may be transmitted from each reference time generation unit. At this time, the time of the local clock unit 150 is corrected based on the reference time signal transmitted from each reference time generation unit. In this case, by comparing a plurality of reference time signals (a plurality of reference times), it is possible to determine whether or not the reference time generated by each reference time generating unit is appropriate. The main body of the determination is not particularly limited, and may be, for example, the respective control devices 130 or the like, or may be a reference time generation unit.
Description of the reference numerals:
1: PTP sheet (blister sheet), 2: bag portion, 3: container film, 4: film coating, 5: tablet, 10: PTP packaging machine (production-related device, blister packaging machine), 20: accumulation device (accumulation mechanism), 21: filling device (filling mechanism), 50: stacking apparatus (production related apparatus), 60: packaging device (production related device), 70: inspection apparatus (production related apparatus), 100: data management system, 110: network, 120: data saving server, 121: main storage unit (main storage means), 122: reference time generation unit (reference time generation means), 130: control device (control processing device), 140: processing determination device (control processing device), 150: local clock unit (local clock mechanism), 160: a local storage unit (local storage means).
Claims (6)
1. A data management system that manages data related to actions of a plurality of production-related devices;
the data management system includes:
a plurality of control processing devices each provided for each of the plurality of production-related devices and having a local clock mechanism for measuring a time and a local storage mechanism for storing the data, and performing control processing related to the corresponding production-related device;
Reference time generation means for generating a reference time and configured to be able to transmit reference time information, which is information on the reference time;
a data storage server having a main storage means capable of storing the data, and provided separately from the control processing device;
the reference time generation means may transmit the reference time information to the control processing device via a predetermined network at predetermined time intervals or in accordance with a predetermined request;
the control processing device can perform the following operations:
the time of the local clock means can be corrected based on the reference time information transmitted from the reference time generating means via the network;
each time the data is generated, the data and data generation time information, which is information on the time indicated by the local clock means at the time of the data generation, can be stored in the local storage means;
the data stored in the local storage means and the data generation time information can be transmitted to the data storage server via the network;
the data storage server and the network can be confirmed to function;
The corresponding production-related device can be started up on the condition that the data storage server and the network function;
the data storage server may store the data transmitted from the control processing device via the network and the data generation time information in the main storage means.
2. The data management system according to claim 1, wherein the data storage server includes the reference time generation means.
3. The data management system according to claim 2, wherein the control processing device is configured to transmit transmission time information to the data storage server, the transmission time information being information about a time indicated by the local clock mechanism when the data and the data generation time information are transmitted to the data storage server;
the data storage server may compare a reference time indicated by the reference time generation means when the transmission time information is received with a time based on the transmission time information.
4. A data management system according to any one of claims 1 to 3, wherein the control processing device is capable of performing the activation of the corresponding production-related device on the condition that the data storage server and the network function and that the reference time information is transmitted from the reference time generation means via the network and that the time of the local clock means is corrected based on the reference time information.
5. The data management system according to any one of claims 1 to 4, wherein the control processing device is not capable of starting the corresponding production-related device when a predetermined time or more has elapsed since the last correction of the time of the local clock mechanism.
6. The data management system according to any one of claims 1 to 5, wherein at least one of the production-related devices is a blister packaging machine that produces a blister sheet that is configured by filling a pocket formed in a container film with a tablet, and attaching a film to the container film so as to seal the pocket;
the blister packaging machine is provided with:
a filling mechanism for filling the tablet into the bag; and
A storage mechanism for storing tablets supplied to the filling mechanism;
when at least one of the data storage server and the network is not functioning, the control processing device for performing control processing related to the blister packaging machine continues the operation of the blister packaging machine until at least the accumulating mechanism is emptied.
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| JPH11331766A (en) * | 1998-05-15 | 1999-11-30 | Omron Corp | Equipment logging device |
| JP2008262292A (en) | 2007-04-10 | 2008-10-30 | Hitachi Ltd | Server, and time synchronization method for local terminal group |
| TWI571712B (en) * | 2015-10-29 | 2017-02-21 | 行政院原子能委員會核能研究所 | Multiple modular redundant fault tolerant control system and synchronization method thereof |
| JP2017220114A (en) | 2016-06-09 | 2017-12-14 | 富士電機株式会社 | Control system and control method |
| DE112018008085B4 (en) * | 2018-11-20 | 2022-09-15 | Mitsubishi Electric Corporation | Communication system, list dissemination station, communication method and communication program |
| JP6762593B1 (en) | 2020-03-03 | 2020-09-30 | 久米機電工業株式会社 | Data management system |
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