JP2020164268A - System and method for inventory control - Google Patents

Abstract

To provide a system for inventory control, for inventory parts, that can replenish parts requiring to be exchanged in timing based on an operation time of a plant in a manner not to be deficient at an inspection of the plant.SOLUTION: A system for inventory control, for controlling inventory parts of a plant, comprises: an inspection-recommending information determining section that determines inspection-recommending information including the type and the number of parts to be exchanged at the next inspection of a plant under consideration based on operation data information including an operation time of the plant under consideration; and a replenishment-recommending information output section that outputs replenishment-recommending information if inventory parts are deficient in the number for the number of parts to be exchanged in the inspection-recommending information, as to at least one type of inventory parts of the plant under consideration.SELECTED DRAWING: Figure 4

Description

The present disclosure relates to an inventory management system and an inventory management method.

Patent Document 1 discloses a plant maintenance support system capable of efficiently performing maintenance work on a nuclear power plant when a sign of abnormality occurs in the nuclear power plant. The plant maintenance support system described in Patent Document 1 is configured to set the implementation time of maintenance work for the abnormality sign equipment based on the detection result of the abnormality sign and arrange necessary parts.

JP-A-2017-62208

By the way, in plants such as gas turbines, parts that need to be replaced at a timing based on the operating time of the plant are used.

In this regard, Patent Document 1 describes a parts management system for arranging parts that need to be replaced based on the detection result of an abnormality sign, but for parts that need to be replaced at a timing based on the operating time of the plant. , The configuration for managing inventory parts so that there is no shortage during plant inspection is not described.

In view of the above circumstances, at least one embodiment of the present invention is an inventory management system and inventory of inventory parts that can be replenished so that parts that need to be replaced at a timing based on the operation time of the plant are not insufficient at the time of plant inspection. The purpose is to provide a management method.

(1) The inventory management system according to at least one embodiment of the present invention is
An inventory management system for managing inventory parts in at least one plant.
An inspection recommended information determination unit configured to determine inspection recommended information including the type and quantity of parts to be replaced at the next inspection of the target plant based on the operation data information including the operation time of the target plant.
For at least one type of the inventory parts of the target plant, when the quantity of the inventory parts is insufficient for the quantity of the parts to be replaced in the inspection recommendation information, the replenishment recommendation information is output. The configured replenishment recommendation information output unit and
To be equipped.

According to the inventory management system described in (1) above, the recommended inspection information is determined in consideration of the operation data information including the operation time of the target plant, so that the replacement is necessary at the timing based on the operation time of the target plant. Parts can be replenished based on replenishment recommendations so that they will not run out during the next inspection.

(2) In some embodiments, in the inventory management system described in (1) above,
Further, an inventory information acquisition unit configured to acquire inventory information including the type and quantity of the inventory parts of the target plant from the inventory management DB for managing the inventory parts of the target plant by the user of the target plant. Be prepared.

According to the inventory management system described in (2) above, inspection recommendation information and replenishment recommendation information can be determined in consideration of the type and quantity of inventory parts owned by the user of the target plant.

(3) In some embodiments, in the inventory management system according to (1) or (2) above.
The replenishment recommendation information includes information indicating a shortage of the quantity of inventory parts of the target plant with respect to the quantity of parts to be replaced in the inspection recommendation information.

According to the inventory management system described in (3) above, the shortage of the inventory parts of the target plant with respect to the quantity of parts to be replaced in the inspection recommendation information is replenished based on the replenishment recommendation information of the target plant. It is possible to properly secure the parts required for the next inspection.

(4) In some embodiments, in the inventory management system described in (3) above,
Based on the replenishment recommendation information of the target plant and the inventory information of the other plant including the type and quantity of the inventory parts of at least one other plant, the type and quantity of the inventory parts to be sent from the other plant to the target plant are determined. It further comprises a delivery quantity determination unit configured to determine.

According to the inventory management system described in (4) above, by sending the type and quantity of inventory parts determined by the delivery quantity determination unit from another plant to the target plant, the shortage of inventory parts in the target plant can be reduced. Even if the manufacturer does not have inventory, the target plant can be acquired promptly. Further, by making the inventory parts interchangeable between the plants, the quantity of the inventory parts required for the plant can be reduced, and the storage space of the inventory parts in the plant can be effectively utilized for other purposes.

(5) In some embodiments, in the inventory management system according to any one of (4) above,
The shortage of the quantity of the inventory parts of the target plant indicated by the replenishment recommendation information for the target plant and the shortage of the quantity of the inventory parts of the other plant indicated by the replenishment recommendation information for the other plant. It further includes an estimate request unit configured to request an estimate of the delivery date and cost of the inventory parts with the aggregated quantity.

According to the inventory management system described in (5) above, the inventory of the target plant is inventoried by requesting an estimate with the aggregated quantity of the shortage of the inventory parts of the target plant and the shortage of the inventory parts of other plants. Compared to the case where the shortage of the quantity of parts and the shortage of the quantity of stock parts of other plants are requested separately, it is easier to apply the volume discount and it is easier to reduce the purchase cost of the stock parts. It becomes.

(6) In some embodiments, in the inventory management system according to any one of (1) to (5) above.
The inspection recommended information determination unit is configured to determine the inspection recommended information based on the operation data information and the BOM information.

According to the inventory management system described in (6) above, the operation time of the target plant indicated by the operation data information and the bill of materials of the product of the target plant indicated by the BOM information are taken into consideration at the next inspection of the target plant. The type and quantity of parts to be replaced can be determined.

(7) In some embodiments, in the inventory management system according to any one of (1) to (6) above.
A detection device for detecting the identification information of the inventory parts, and
The inventory management DB for the supplier of the target plant to manage the inventory parts of the target plant is updated based on the identification information detected by the detection device and the number of the identification information detected by the detection device. Inventory management DB update unit configured in
Further prepare.

According to the inventory management system described in (7) above, the type and quantity of inventory parts are managed with good accuracy in consideration of the identification information detected by the detection device and the number of identification information detected by the detection device. be able to.

(8) In some embodiments, in the inventory management system described in (7) above,
It further comprises an ownership management unit configured to manage the ownership of unused inventory parts of the target plant as ownership belonging to a supplier that supplies the parts to the target plant.

According to the inventory management system described in (8) above, the user of the target plant does not need to manage the assets of the parts (depreciation, etc.) simply by preparing a storage place for the parts in the target plant, and disposes or recycles the parts. Costs can be saved because the parts supplier can do it.

(9) In some embodiments, in the inventory management system described in (8) above,
The ownership management unit takes ownership of the unused inventory parts from the supplier to the user of the plant on condition that the identification information of the unused inventory parts of the target plant is detected by the detection device. It is configured to perform a transfer process to transfer to.

According to the inventory management system described in (9) above, by detecting the identification information of the inventory parts in the target plant with the detection device, the ownership can be smoothly transferred from the supplier to the user of the plant.

(10) The inventory management method according to at least one embodiment of the present invention is
An inventory management method for managing inventory parts in at least one plant.
Based on the operation data information including the operation time of the target plant, the step of determining the inspection recommended information including the type and quantity of parts to be replaced at the next inspection of the target plant, and
A step of outputting replenishment recommendation information when the quantity of the inventory parts is insufficient for the quantity of the parts to be replaced in the inspection recommendation information for at least one type of the inventory parts of the target plant. ,
To be equipped.

According to the inventory management method described in (9) above, the recommended inspection information is determined in consideration of the operation data information including the operation time of the target plant, so that the replacement is necessary at the timing based on the operation time of the target plant. Parts can be replenished based on replenishment recommendations so that they will not run out during the next inspection.

According to at least one embodiment of the present invention, there is provided an inventory management system and an inventory management method for inventory parts that can be replenished so that parts that need to be replaced at a timing based on the operation time of the plant are not insufficient at the time of inspection of the plant. Will be done.

It is a conceptual diagram of the inventory management system 2 which concerns on one Embodiment of this invention. It is a block diagram which shows the schematic hardware configuration of the inventory management system 2 shown in FIG. It is a block diagram which shows the functional structure of the control part 6 shown in FIG. It is a figure which shows a part of the flow of the inventory management in the inventory management system 2. It is a figure which shows a part of the flow of the inventory management in the inventory management system 2. It is a figure which shows a part of the flow of the inventory management in the inventory management system 2. It is a figure which shows a part of the flow of the inventory management in the inventory management system 2.

Hereinafter, some embodiments of the present invention will be described with reference to the accompanying drawings. However, the dimensions, materials, shapes, relative arrangements, etc. of the components described as embodiments or shown in the drawings are not intended to limit the scope of the present invention to this, but are merely explanatory examples. Absent.
For example, expressions that represent relative or absolute arrangements such as "in a certain direction", "along a certain direction", "parallel", "orthogonal", "center", "concentric" or "coaxial" are exact. Not only does it represent such an arrangement, but it also represents a state of relative displacement with tolerances or angles and distances to the extent that the same function can be obtained.
For example, expressions such as "same", "equal", and "homogeneous" that indicate that things are in the same state not only represent exactly the same state, but also have tolerances or differences to the extent that the same function can be obtained. It shall also represent the state of existence.
For example, an expression representing a shape such as a quadrangular shape or a cylindrical shape not only represents a shape such as a quadrangular shape or a cylindrical shape in a geometrically strict sense, but also an uneven portion or chamfering within a range where the same effect can be obtained. The shape including the part and the like shall also be represented.
On the other hand, the expressions "equipped", "equipped", "equipped", "included", or "have" one component are not exclusive expressions that exclude the existence of other components.

FIG. 1 is a conceptual diagram of an inventory management system 2 according to an embodiment of the present invention.
The inventory management system 2 shown in FIG. 1 has, for inventory parts stored in warehouses of a plurality of plants 4 (4A to 4E), the number, delivery date, location plant and location for each type (part name) of inventory parts. It is a system that manages information such as areas. The inventory management system 2 manages numerical information, location information, and the like of inventory parts stored in the warehouse of plant 4 on the supplier side that supplies parts to plant 4 instead of the user side of plant 4. The inventory management system 2 manages parts that need to be replaced at a timing based on the operating time of each plant 4 so as not to be insufficient at the beginning of inspection of each plant.

The types of plants 4A to 4E are not particularly limited, but are plants including parts that need to be replaced at a timing based on the operating time of the plant, such as a combined cycle power generation plant using a gas turbine. When the plants 4A to 4E are plants including a gas turbine, the types of inventory parts include, for example, turbine blades, bolts, washers, filters, etc. as consumable parts that need to be replaced at the timing based on the operation time of the plant. Be done.

As will be described later, the inventory management system 2 is configured so that inventory parts can be exchanged between a plurality of plants in the location area (location area of the plant 4). For example, in the example shown in FIG. 1, the inventory management system 2 accommodates necessary inventory parts between plants 4A to 4C in region A and interchanges necessary inventory parts between plants 4D and 4E in region B. It is configured to do.

FIG. 2 is a block diagram showing a schematic hardware configuration of the inventory management system 2 shown in FIG.

In each warehouse of plants 4A to 4E, a plurality of inventories necessary for periodic inspection and repair of products in each plant 4 are stored. A non-contact electronic tag 20 as an identification information storage unit for storing identification information of inventory parts is attached to each inventory part or individual packaging for packaging a plurality of inventory parts. Information such as the number of in-stock parts in the individual packaging is also updatable and stored in the non-contact electronic tag 20 attached to the individual packaging for packaging the plurality of in-stock parts. In the embodiments described below, a case where an RFID (Radio Frequency Identifier) tag is used as the non-contact electronic tag 20 will be exemplified. In another embodiment, a two-dimensional code such as a QR code (registered trademark) or a bar code (one-dimensional code) may be attached to the inventory part as the identification information storage unit.

As shown in FIG. 2, the inventory management system 2 includes a control unit 6, a storage unit 8, a reader 10 (detection device), a weight scale 12, a communication interface (communication I / F) 14, a display unit 16, and an operation reception unit 18. To be equipped with. Each of these hardware is communicably connected via bus 19.

The control unit 6 is an arithmetic unit that reads a program or data from the storage unit 8 and executes processing, and is composed of, for example, a CPU.

The storage unit 8 is composed of, for example, a RAM (Random Access Memory), a ROM (Read Only Memory), and the like. The storage unit 8 stores programs for executing various control processes, various data, and the like. The storage unit 8 stores information such as the number, delivery date, location plant, and location area for each type of inventory parts of each plant 4A to 4E (the inventory parts of each plant 4 are managed by the supplier of the plant 4). The inventory management DB) for the purpose and the BOM information DB 26 for storing the BOM information indicating the bill of materials of the products used in each plant 4A to 4E are included.

The reader 10 is configured so that the identification information of a plurality of parts (inventory parts or parts being transported) and the number of detected identification information can be collectively detected from the non-contact electronic tag 20 attached to the parts. In the present embodiment, the reader 10 is an RFID reader that can collectively read identification information and the number thereof from a plurality of RFID tags without contact. The reader 10 may be mounted on a drone in each of the plants 4A to 4E, for example, and may be configured to read the identification information of inventory parts while flying in the plant, or may be configured as a handy reader and manually operated by a worker. You may read the identification information and the number of parts in stock with, or the identification information and the number of parts that are installed as a stationary sensor at the barrier provided in the process to each plant or in the warehouse of each plant and pass through the barrier. You may read the information.

The weigh scale 12 is installed at a barrier such as in the middle of the process to each of the plants 4A to 4E or at each warehouse of the plants 4A to 4E, and is configured to be able to measure the weight of inventory parts passing through the barrier.

The communication interface 14 is configured to be able to receive operation data information including the operation time of each plant 4A to 4E (cumulative operation time of each plant 4A to 4E) from the plant monitoring server 28 that monitors the operation state of each plant 4A to 4E. Has been done. Further, the communication interface 14 is configured to be able to communicate with the system DB 30 and the inventory management DB 32 for managing the inventory parts when the users of the plants 4A to 4E have the system DB 30 and the inventory management DB 32 for managing the inventory parts.

The display unit 16 is, for example, a display or the like, and displays the processing result of the inventory management system 2. The operation reception unit 18 is, for example, a keyboard, a mouse, a touch panel, or the like, and is used by an operator who operates the inventory management system 2 to input various operations.

Next, the functional configuration of the control unit 6 will be described with reference to FIG.
As shown in FIG. 3, the control unit 6 includes an inventory information acquisition unit 34, an inspection recommended information determination unit 36, a replenishment recommendation information output unit 38, a delivery quantity determination unit 40, a new order quantity determination unit 41, and a replenishment recommendation information aggregation unit. 42, estimate request unit 44, parts arrangement unit 46, weight determination unit 48, inventory management DB update unit 50, ownership management unit 52, and take-out quantity aggregation unit 54 are included. These functional configurations in the control unit 6 are configured by, for example, executing a program held in the storage unit 8 by a CPU constituting the control unit 6.

When the inventory information acquisition unit 34 starts the operation of the inventory management system 2, the inventory management DB 24 for managing the inventory parts for each of the plants 4A to 4E already exists outside the inventory management system 2, and the inventory is said to be the inventory. It is configured to acquire inventory information including the type and quantity of inventory parts of each plant 4 from the management DB 24. For example, when the inventory management DB 24 for managing the inventory parts of the plant 4A already exists outside the inventory management system 2, the inventory information acquisition unit 34 has the type and quantity of the inventory parts of the plant 4A from the inventory management DB 24. It is configured to acquire inventory information including.

For each of the plants 4A to 4E, the inspection recommended information determination unit 36 includes operation data information including the operation time of the plants 4A to 4E (cumulative operation time of each plant 4A to 4C) acquired from the plant monitoring server 28, and the plant 4A. Based on the BOM information of ~ 4E, it is configured to determine the recommended inspection information including the type and quantity of parts to be replaced at the next periodic inspection of plants 4A-4E. For example, the inspection recommendation information determination unit 36 should be replaced at the next periodic inspection of the plant 4A based on the operation data information including the operation time of the plant 4A received from the plant monitoring server 28 and the BOM information of the plant 4A. It is configured to determine inspection recommendation information, including the type and quantity of parts. The recommended inspection information includes the type and quantity of parts to be replaced at the next periodic inspection of plants 4A to 4E, as well as the timing of the next periodic inspection of plants 4A to 4E.

The replenishment recommendation information output unit 38 determines that, for at least one type of inventory parts of plants 4A to 4E, the quantity of inventory parts is insufficient for the quantity of parts to be replaced in the inspection recommendation information. It is configured to output replenishment recommendation information for plants that are out of quantity. For example, the replenishment recommendation information output unit 38 may refer to the plant 4A for at least one type of inventory parts of the plant 4A when the quantity of the inventory parts is insufficient for the quantity of the parts to be replaced in the inspection recommendation information. It is configured to output replenishment recommendation information. The replenishment recommendation information includes information indicating a shortage of the quantity of in-stock parts of the target plant with respect to the quantity of parts to be replaced in the inspection recommendation information, and timing information indicating when the shortage needs to be acquired. Including.

The delivery quantity determination unit 40 includes replenishment recommendation information of the target plant in which inventory parts are insufficient among plants 4A to 4E, and inventory information of other plants including the type and quantity of inventory parts of other plants belonging to the same area as the target plant. Based on the above, it is configured to determine the type and quantity of inventory parts to be sent from another plant to the target plant. For example, the delivery quantity determination unit 40 is based on the replenishment recommendation information of the plant 4A and the inventory information of other plants including the type and quantity of the inventory parts of the other plants 4B and 4C which belong to the same area as the plant A. The type and quantity of inventory parts to be sent from each of the plants 4B and 4C to the plant 4A are determined. Further, for example, the delivery quantity determination unit 40 replenishes the plant 4A when the shortage of the inventory parts indicated by the replenishment recommendation information of the plant 4A can be supplemented by the inventory parts of the plant 4B by the next inspection of the plant 4A. The type and quantity of inventory parts corresponding to the shortage of inventory parts indicated by the recommended information are determined as the type and quantity of inventory parts to be sent from plant B to plant 4A.

The new order quantity determination unit 41 includes the replenishment recommendation information of the target plant in which the inventory parts of the plants 4A to 4E are insufficient, and the type and quantity of the inventory parts of the other plant belonging to the same area as the target plant. Based on the inventory information, it is configured to determine the type and quantity of parts that need to be newly arranged by the parts manufacturer for the target plant. For example, the new order quantity determination unit 41 is based on the replenishment recommendation information of plant A and the inventory information of other plants including the type and quantity of inventory parts of plants 4B and 4C which are other plants belonging to the same area as plant A. , Determine the type and quantity of parts that need to be newly arranged from the parts manufacturer for the target plant 4A. Further, for example, the newly arranged quantity determination unit 41 receives from the parts manufacturer for the plant 4A the quantity that cannot be supplemented by the inventory parts of the plants 4B and 4C out of the shortage of the quantity of the inventory parts indicated by the replenishment recommendation information of the plant 4A. Calculated as the quantity of parts that need to be newly arranged.

The replenishment recommendation information aggregation unit 42 is configured to aggregate replenishment recommendation information of a plurality of plants 4A to 4E for each region. For example, the replenishment recommendation information aggregation unit 42 replenishes the parts to be replaced indicated by the replenishment recommendation information of the plant 4A based on the replenishment recommendation information of the plant 4A, the replenishment recommendation information of the plant 4B, and the replenishment recommendation information of the plant 4C. The shortage of the stock parts of the plant 4A with respect to the quantity, the shortage of the stock parts of the plant 4B with respect to the quantity of the parts to be replaced indicated by the replenishment recommendation information of the plant 4B, and the replacement indicated by the replenishment recommendation information of the plant 4C. Aggregate (total) the shortage of the inventory parts of the plant 4C with respect to the quantity of the parts to be.

The quotation requesting unit 44 is a total quantity obtained by summarizing the shortage of the quantity of in-stock parts with respect to the quantity of parts to be replaced indicated by the replenishment recommendation information for a plurality of plants 4 belonging to the same area, and tells the parts manufacturer the cost and delivery date of the parts. It is configured to request a quote for. For example, the quotation requesting unit 44 determines the shortage of the quantity of in-stock parts of the plant 4A with respect to the quantity of parts to be replaced indicated by the replenishment recommendation information of the plant 4A and the quantity of the parts to be replaced indicated by the replenishment recommendation information of the plant 4B. The total quantity of parts in stock at plant 4B and the shortage of stock parts in plant 4C with respect to the quantity of parts to be replaced indicated by the replenishment recommendation information of plant 4C are aggregated to the parts manufacturer. Request an estimate of the cost and delivery date.

The parts arranging unit 46 is configured to determine an arranging plan for each part of the plants 4A to 4E. That is, for each of the plants 4A to 4E, a list showing the types and quantities of parts that are out of stock among the parts to be replaced at the next periodic inspection, the arrangement destination of each part, and the delivery date of each part. To confirm.

The weight determination unit 48 determines that the total weight of the parts measured by the weight scale 12 installed at the barrier for each of the plants 4A to 4E is the weight estimated from the identification information detected by the reader 10 and the number of identification information. It is configured to determine whether or not there are few.

The inventory management DB update unit 50 updates the inventory management DB 24 of the inventory management system 2 based on the identification information of the non-contact electronic tag 20 detected by the reader 10 and the number of the detected identification information for each of the plants 4A to 4E. It is configured to do.

The ownership management unit 52 is configured to manage the ownership of unused inventory parts for each of the plants 4A to 4E as the ownership belonging to the supplier that supplies the parts to the plants 4A to 4E. For example, the ownership management unit 52 manages the ownership of the unused inventory parts of the plant 4A as the ownership belonging to the supplier who supplies the parts to the plant 4A.

Further, the ownership management unit 52 transfers the ownership of the unused inventory parts from the supplier to the plant user on condition that the identification information of the unused inventory parts of the plants 4A to 4E is detected by the reader 10. It is configured to perform a transfer process to transfer. For example, the ownership management unit 52 transfers the ownership of the unused inventory parts from the supplier to the user of the plant, provided that the identification information of the unused inventory parts of the plant 4A is detected by the reader 10. Perform the transfer process. Therefore, for example, the inventory part whose identification information is detected by the reader 10 in the plant 4A for use during the inspection of the plant 4A becomes the asset of the user of the plant 4A from the asset of the supplier who supplies the inventory part to the plant 4A. ..

The take-out quantity aggregation unit 54 determines the quantity of the inventory parts taken out from the necessary parts take-out box for accommodating the stock parts in the plant 4A and the inventory parts taken out from the necessary parts take-out box in the plant 4B for each type of the stock parts. The quantity and the quantity of inventories taken out from the required parts take-out box in the plant 4C are aggregated. The quantity of each type of inventories taken out from the required parts take-out box in each plant is determined based on the identification information of the inventories detected by the reader 10 and the number of the detected identification information.

In the above-mentioned inventory management system 2, inventory information including inventory parts of a warehouse in the middle of distribution from a supplier supplying parts to plants 4A to 4E to plants 4A to 4E is managed by the inventory management system 2 on the supplier side.

In addition, the inventory management system 2 receives maintenance information such as periodic inspections and failures from the plant monitoring server 28, and includes the type and quantity of inventory parts stored from the warehouse (factory) to the plant 4 (customer). Collect parts information and arrange and prepare the parts necessary for the work.

In the inventory management system 2, for the parts required for periodic inspection and repair, a non-contact electronic tag 20 that can update information such as the number of parts is attached to the individual parts or the individual packaging for packaging the plurality of parts. The number of parts is also updatable and stored in the non-contact electronic tag 20.

According to the inventory management system 2, parts that need to be replaced or repaired suddenly due to a failure or trouble, as well as during regular inspections, can be interchanged between a plurality of plants 4, and the response to the failure or trouble can be timed. Can be done to Lee. Therefore, it is possible to contribute to shortening the operation stop time of the plant 4.

In addition, the user side of the plant 4 does not need to manage assets (depreciation, etc.) just by preparing a storage place, and the supplier side also disposes and recycles the replacement parts, so that the cost can be saved. Moreover, not only the consumables can be sold to the users of the plant 4, but also the pack (set) management with the maintenance work becomes possible.

Next, the flow of inventory management in the inventory management system 2 will be described with reference to FIGS. 4 to 7. 4 to 7 show an example of the inventory management flow in which the plant 4A is the target plant among the plants 4A to 4E. The flows shown in FIGS. 4 to 7 are shown as a series of flows for convenience, but they do not necessarily have to be a series. For example, the flows shown in FIGS. 4 to 5 are set as a series of independent flows. Apart from the flow, the flows shown in FIGS. 6 and 7 may be a series of independent flows.

As shown in FIG. 4, first, in S101, the inventory management system 2 cooperates with the system DB 30 of the plant 4A, and in S102, the inventory information acquisition unit 34 manages the existing inventory parts of the plant 4A. Inventory information including the type and quantity of inventory parts of plant 4A is acquired from the inventory management DB 32 (inventory management DB provided outside the inventory management system 2), and the inventory management DB 24 of the inventory management system 2 is based on the inventory information. Is updated by the inventory management DB update unit 50.

Next, in S103, the inspection recommended information determination unit 36 determines the next inspection time of the plant 4A and the parts to be replaced at the next inspection of the plant 4A based on the operation data information including the operation time of the plant 4A. Determine inspection recommended information including type and quantity.

Next, in S104, the replenishment recommendation information output unit 38 determines whether or not the quantity of inventory parts is insufficient for the quantity of parts to be replaced in the inspection recommendation information for each type of inventory parts in the plant 4A. Confirm. Then, when the quantity of inventory parts is insufficient for the quantity of parts to be replaced in the inspection recommendation information for each type of inventory parts of the plant 4A, in S105, the replenishment recommendation information output unit 38 is set to the plant. Output replenishment recommendation information for 4A. The replenishment recommendation information here is information indicating the shortage of the quantity of in-stock parts with respect to the quantity of parts to be replaced in the inspection recommendation information (type and quantity of parts that need to be arranged) and by when the shortage is acquired. Includes timing information (part delivery date) indicating whether it is necessary. If the quantity of in-stock parts is not insufficient for the quantity of parts to be replaced in the inspection recommendation information, the process proceeds to S113.

In S106, the delivery quantity determination unit 40 of the plant 4B, 4C is based on the replenishment recommendation information of the plant 4A and the inventory information of the other plant including the type and quantity of the inventory parts of the plant 4B, 4C as another plant. The type and quantity of inventory parts to be sent from each to plant 4A are determined. For example, when the shortage of inventory parts indicated by the replenishment recommendation information of plant 4A can be supplemented by the inventory parts of plant 4B by the next inspection of plant 4A, the shortage of inventory parts indicated by the replenishment recommendation information of plant 4A The type and quantity of inventory parts corresponding to are determined as the type and quantity of inventory parts to be sent from plant B to plant 4A.

Next, in S107, the newly ordered quantity determination unit 41 replenishes the parts based on the recommended replenishment information of the plant 4A and the inventory information of the other plant including the type and quantity of the inventory parts of the plants 4B and 4C as the other plant. Determine the type and quantity of parts that need to be newly ordered from the manufacturer. For example, out of the shortage of the quantity of the stock parts indicated by the replenishment recommendation information of the plant 4A, the quantity that cannot be supplemented by the stock parts of the plants 4B and 4C is determined as the quantity of the parts that need to be newly arranged from the parts manufacturer.

Next, in S108, the replenishment recommendation information aggregation unit 42 replenishes the replenishment recommendation information about the plant 4A based on the replenishment recommendation information of the plant 4A, the replenishment recommendation information of the plant 4B, and the replenishment recommendation information of the plant 4C. The shortage of the quantity of in-stock parts with respect to the quantity of parts to be replaced indicated by, and the shortage of the quantity of in-stock parts with respect to the quantity of parts to be replaced indicated by the replenishment recommendation information for plant 4B, and the replenishment of plant 4C. Aggregate (total) the shortage of the quantity of in-stock parts with respect to the quantity of parts to be replaced indicated by the recommended information.

Next, in S109, the quotation requesting unit 44 determines the shortage of the quantity of in-stock parts with respect to the quantity of parts to be replaced indicated by the replenishment recommendation information for the plant 4A and the exchange indicated by the replenishment recommendation information for the plant 4B. The total quantity is the sum of the shortage of the quantity of in-stock parts for the quantity of parts to be replaced and the shortage of the quantity of in-stock parts for the quantity of parts to be replaced indicated by the replenishment recommendation information for the plant 4C. Ask for an estimate of the cost and delivery date of the parts. Then, in S110, the parts arranging unit 46 determines the parts arranging plan. That is, the list of the shortage of inventory parts indicated by the replenishment recommendation information of the plant 4A, the ordering destination of each part, and the order quantity of each part are determined.

Next, in S111, parts are acquired from the plants 4B and 4C based on the arrangement plan and accepted, and in S112, parts are acquired from the parts manufacturer based on the arrangement plan and accepted. Then, when the non-contact electronic tag is not attached to the parts acquired from the plants 4B and 4C and the parts manufacturer, the non-contact electronic tag is attached to the acquired parts in S113.

In S114, the identification information of the non-contact electronic tag attached to the acquired parts and the number of detected identification information (the number of acquired parts) at the barrier installed in the middle of the process to the plant 4A or in the warehouse or the like. Is detected by the reader 10. Then, in S115, the total weight of the parts acquired by the weigh scale 12 is measured in the middle of the process to the plant 4A or at the barrier installed in the warehouse or the like, and the total weight of the measured parts is the identification information detected in S114. The weight determination unit 48 determines whether or not the weight is less than the weight estimated from the number of identification information. When the total weight of the parts measured in S115 is equal to or greater than the weight estimated from the identification information and the number of identification information detected in S114, the inventory management DB update unit 50 is sent to the plant 4A in S117. The inventory management DB 24 of the inventory management system 2 is updated based on the detection result of the identification information of the non-contact electronic tag 20 attached to the component. If the total weight of the parts measured in S115 is less than the weight estimated from the identification information and the number of identification information detected in S114, the reader 10 may not be operating soundly, so in S116. After checking the soundness of the operation of the reader 10, the inventory management DB 24 of the inventory management system 2 is updated. Then, in S118, the parts acquired in the warehouse of the plant 4A are managed.

Next, the continuation of the flow shown in FIGS. 4 and 5 will be described with reference to FIGS. 6 and 7. However, the flow shown in FIG. 6 and the flow shown in FIGS. 4 and 5 do not necessarily have to be performed continuously.

First, in S119, it is determined whether or not the plant 4A is forcibly stopped due to a failure or the like. If the plant 4A is not forcibly stopped in S119, the process proceeds to S124, which will be described later. When the plant 4A is forcibly stopped in S119, a parts list necessary for emergency inspection and restoration of the plant 4A is created in S120.

Next, the type and quantity of the stock parts of the plant 4A are confirmed in S121, and the shortage of the quantity of the stock parts of the plant 4A with respect to the quantity of the parts in the parts list created in S120 is checked in S122. A flexible part is acquired from 4C and accepted, and the identification information of the non-contact electronic tag 20 attached to the part and the number of detected identification information are detected by the reader 10. Then, at S123, out of the shortage of the quantity of parts shown in the parts list required for emergency inspection and restoration of plant 4A, the quantity that cannot be covered by the stock parts of plants 4B and 4C is newly acquired from the parts manufacturer and accepted. The reader 10 detects the identification information of the non-contact electronic tag 20 attached to the component and the number of detected identification information.

Then, in S124, the parts received from the plants 4B and 4C in S122 and the parts received from the parts manufacturer in S123 are stored in the necessary parts take-out box, and the open inspection of the plant 4A is carried out in S125. For example, when the plant 4A is a gas turbine, the casing of the gas turbine is opened to inspect the rotor. In S125, the inventory parts stored in the necessary parts removal box are taken out, and the identification information of the non-contact electronic tag 20 attached to the inventory parts and the number of detected identification information are detected by the reader 10. As a result, the ownership management unit 52 takes ownership of the inventory parts whose identification information is detected by the leader 10 at the time of inspection of the plant 4A among the inventory parts of the plant 4A from the supplier who supplies the inventory parts to the plant 4A. Perform the transfer process to transfer to the user of. Therefore, in S125, the inventory parts whose identification information is detected by the reader 10 become the assets of the plant 4A from the assets of the supplier who supplies the inventory parts to the plant 4A.

Next, in S126, the total weight of the in-stock parts taken out from the required parts take-out box is measured by the weight scale 12, and the total weight of the measured in-stock parts is the weight corresponding to the quantity and type of the parts detected in S125. The weight determination unit 48 determines whether or not the weight is less than. When the total weight of the parts measured in S126 is equal to or greater than the weight estimated from the identification information detected in S125 and the number of identification information, the inventory management DB update unit 50 in S128 does not contact the parts detected in S125. The inventory management DB 24 of the inventory management system 2 is updated based on the identification information of the electronic tag 20 and the detection result of the number of identification information.

If the total weight of the parts measured in S126 is less than the weight estimated from the identification information and the number of identification information detected in S125, the reader 10 may not be operating soundly, so in S127. After checking the soundness of the operation of the reader 10, the inventory management DB 24 of the inventory management system 2 is updated in S128. Then, in S129, information including the type and quantity of the parts detected in S125 is transmitted to the system DB 30 on the plant 4A side, and in S130, the unused parts are stored in the warehouse in the plant 4A and the plant 4A. Manage on the premises of.

Then, in S131, the take-out quantity aggregation unit 54 aggregates the quantity of the inventory parts taken out from the necessary parts take-out box in S125 and the quantity of the inventory parts taken out from the necessary parts take-out box in the plants 4B and 4C. , S132, repair, discard, or recycle the parts taken out from the necessary parts take-out box in the plants 4A to 4C according to the quantity collected in S131.

According to the inventory management system 2, the recommended inspection information is determined in consideration of the operation data information including the operation time of the target plant 4A. Therefore, the parts that need to be replaced at the timing based on the operation time of the target plant 4A can be replaced. It can be replenished based on the replenishment recommendation information so that it will not be insufficient at the next inspection.

In addition, by replenishing the shortage of the quantity of in-stock parts of the target plant 4A with respect to the quantity of parts to be replaced in the inspection recommendation information based on the replenishment recommendation information, the parts required for the next inspection of the target plant 4A can be appropriately replenished. Can be secured.

Further, by sending the type and quantity of the inventory parts determined by the delivery quantity determination unit 40 from the other plants 4B and 4C to the target plant 4A, the shortage of the inventory parts of the target plant 4A can be satisfied even if the parts manufacturer does not have the inventory. The target plant 4A can be acquired promptly. Further, by making it possible to exchange inventory parts between a plurality of plants 4A to 4C, the quantity of inventory parts required for each plant 4 can be reduced, and the storage space for inventory parts in plants 4A to 4C can be used for other plants. It can be effectively used for various purposes.

In addition, by requesting an estimate with the aggregated quantity of the shortage of the inventory parts of the target plant 4A and the shortage of the inventory parts of the other plants 4B and 4C, the shortage of the inventory parts of the target plant 4A can be obtained. Compared with the case where the shortage of the quantity of the stock parts of other plants 4B and 4C is requested separately, the volume discount can be easily applied and the purchase cost of the stock parts can be easily reduced.

Further, the type and quantity of the inventory parts can be managed with good accuracy in consideration of the identification information detected by the reader 10 and the number of identification information detected by the reader 10.

In addition, users of the target plant 4A do not need to manage the assets of the parts (depreciation, etc.) simply by preparing a storage place for the parts in the target plant 4A, and the parts supplier can dispose of or recycle the parts. Cost savings are possible.

Further, by detecting the identification information of the inventory parts in the target plant 4A with the reader 10, the transfer of ownership from the supplier to the user of the target plant 4A can be appropriately and smoothly performed.

The present invention is not limited to the above-described embodiment, and includes a modification of the above-described embodiment and a combination of these embodiments as appropriate.
For example, in the above-described embodiment, the inventory management system illustrates the case of managing the inventory parts of a plurality of plants, but in other embodiments, the inventory management system manages the inventory parts of one plant. It may be configured. That is, the inventory management system may be configured to manage the inventory parts of at least one plant.

2 Inventory management system 4 (4A, 4B, 4C, 4D, 4E) Plant 6 Control unit 8 Storage unit 10 Reader 12 Weight scale 14 Communication interface 16 Display unit 18 Operation reception unit 19 Bus 20 Non-contact electronic tag 24 Inventory management DB ( Supplier side)
26 BOM information DB
28 Plant monitoring server 30 System DB
32 Inventory management DB (user side)
34 Inventory information acquisition unit 36 Inspection recommended information determination unit 38 Replenishment recommendation information output unit 40 Send quantity determination unit 41 New order quantity determination unit 42 Replenishment recommendation information aggregation unit 44 Estimate request unit 46 Parts arrangement unit 48 Weight determination unit 50 Inventory management DB Update Department 52 Ownership Management Department 54 Extraction Quantity Aggregation Department

Claims (10)

An inventory management system for managing inventory parts in at least one plant.
An inspection recommended information determination unit configured to determine inspection recommended information including the type and quantity of parts to be replaced at the next inspection of the target plant based on the operation data information including the operation time of the target plant.
For at least one type of the inventory parts of the target plant, when the quantity of the inventory parts is insufficient for the quantity of the parts to be replaced in the inspection recommendation information, the replenishment recommendation information is output. The configured replenishment recommendation information output unit and
Inventory management system. Further, an inventory information acquisition unit configured to acquire inventory information including the type and quantity of the inventory parts of the target plant from the inventory management DB for managing the inventory parts of the target plant by the user of the target plant. The inventory management system according to claim 1. The inventory management system according to claim 1 or 2, wherein the replenishment recommendation information includes information indicating a shortage of the quantity of inventory parts of the target plant with respect to the quantity of parts to be replaced in the inspection recommendation information. Based on the replenishment recommendation information of the target plant and the inventory information of the other plant including the type and quantity of the inventory parts of at least one other plant, the type and quantity of the inventory parts to be sent from the other plant to the target plant are determined. The inventory management system according to claim 3, further comprising a delivery quantity determination unit configured to determine. The shortage of the quantity of the inventory parts of the target plant indicated by the replenishment recommendation information for the target plant and the shortage of the quantity of the inventory parts of the other plant indicated by the replenishment recommendation information for the other plant. The inventory management system according to claim 4, further comprising an estimate request unit configured to request an estimate of the delivery date and cost of the inventory parts with an aggregated quantity. The inventory management system according to any one of claims 1 to 5, wherein the inspection recommended information determination unit is configured to determine the inspection recommended information based on the operation data information and the BOM information. A detection device for detecting the identification information of the inventory parts, and
The inventory management DB for the supplier of the target plant to manage the inventory parts of the target plant is updated based on the identification information detected by the detection device and the number of the identification information detected by the detection device. Inventory management DB update unit configured in
The inventory management system according to any one of claims 1 to 6, further comprising. The inventory according to claim 7, further comprising an ownership management unit configured to manage the ownership of unused inventory parts of the target plant as ownership belonging to a supplier that supplies the parts to the target plant. Management system. The ownership management unit takes ownership of the unused inventory parts from the supplier to the user of the plant, provided that the identification information of the unused inventory parts of the target plant is detected by the detection device. The inventory management system according to claim 8, which is configured to perform a transfer process. An inventory management method for managing inventory parts in at least one plant.
Based on the operation data information including the operation time of the target plant, the step of determining the inspection recommended information including the type and quantity of parts to be replaced at the next inspection of the target plant, and
A step of outputting replenishment recommendation information when the quantity of the inventory parts is insufficient for the quantity of the parts to be replaced in the inspection recommendation information for at least one type of the inventory parts of the target plant. ,
Inventory management method.

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