Conservative service system and method for processing conservative services

Abstract

One aspect of the present disclosure includes a setting unit that determines a continuous charging fee based on a contract for holding an article as inventory for an article related to a customer's facility, based on at least one of risk, purchase price, and contract period; an article management unit that manages preliminary article information indicating a preliminary article that is the article held as inventory; and a continuous charging unit that continuously charges the continuous charging fee. The maintenance service system prepares inventory of parts of the infrastructure facility for each customer and promptly supplies parts to the infrastructure facility in case of an abnormality.

Description

Technical Field

[0001] The present disclosure relates to a maintenance service system and a method for processing maintenance services.

Background Art

[0002] In infrastructure facilities such as power facilities, building facilities, and railway facilities, when a device stops due to an abnormality, the loss due to the stop of the infrastructure facility tends to increase. For example, the devices of infrastructure facilities are not so-called mass-produced products, and there may be no parts inventory for maintenance. Since it takes time to restore the device, the loss may increase. In addition, when the service provided by the infrastructure facility stops for a long time due to a device failure, it will cause inconvenience to many people and there is a risk of a decrease in trust. As technologies related to maintenance services for restoring infrastructure facilities, for example, those described in Patent Documents 1 and 2 below are known.

[0003] The fee setting system of Patent Document 1 describes that in a remote emergency device that operates during an elevator entrapment accident, a lending service is provided to the building side on a monthly basis, and the monthly fee is set as the price obtained by dividing the cost of the device and other costs by the contract monthly amount.

[0004] The spare parts supply system for a plant described in Patent Document 2 divides plant owners into groups for each group with similar evaluation parameters such as the breakage probability of each part to form a group, and determines a contract fee for the cost required for manufacturing etc. of a specific spare part, which is equally borne by the plant owners belonging to the same group according to the number of people, and recruits participants. On the other hand, the spare parts supply system for a plant aggregates accident information from the accident-occurring plant in an accident information aggregation system to make necessary arrangements for repair, calculates the difference between the cost required for manufacturing etc. of the spare parts and the burden amount of the owner of the accident-occurring plant, and bills this difference to the owner of the accident-occurring plant, and divides and refunds the difference to the owners of the remaining plants that did not use the spare parts according to the number.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0006] However, although the fee setting system described in Patent Document 1 describes the monthly fee for the remote emergency device that operates during an elevator entrapment accident, it does not mention the fee for restoring the remote emergency device when it fails to operate due to an abnormality. Therefore, even if the technology described in Patent Document 1 is applied to maintenance services for infrastructure restoration, it is impossible to avoid the suspension of services provided by the infrastructure. In addition, the spare parts supply system described in Patent Document 2 forms a group by a plurality of plant owners and determines a contract fee for the plant owners belonging to the same group to equally bear the costs required for manufacturing etc. of specific spare parts according to the number of people. Therefore, when the number of plant owners belonging to the same group is small, there is a problem that the cost burden per person increases.

[0007] Furthermore, depending on the damage to the plant equipment, it is necessary to replace multiple types of parts. However, since the fee setting system described in Patent Document 1 targets the remote emergency device, it does not consider replacing multiple types of parts. Also, in the technology described in Patent Document 2, since groups are formed with evaluation parameters such as the probability of breakage of each part being similar, when considering multiple types of parts, the number of plant owners belonging to the group may decrease, and there is a problem that the cost burden further increases.

[0008] The present disclosure has been made in view of such circumstances, and an object thereof is to provide a maintenance service system capable of appropriately setting a continuous charging fee for providing a maintenance service for a customer's facility, and a method for processing a maintenance service. **Means for Solving the Problems**

[0009] The present disclosure has been made to solve the above-described problems, and one aspect of the present disclosure is different facilities by a customer or a device or component included in the said equipment For articles, of the said article Based on the risk and of the said article A setting unit that determines a continuous charging fee based on a purchase price and a contract period, holds the article as inventory, and allows the customer to purchase the article based on a contract; an article management unit that manages preliminary article information indicating a preliminary article that is the article held as inventory; and a continuous charging unit that continuously charges the continuous charging fee. A maintenance service system comprising:

[0010] Another aspect of the present disclosure is that a management device is different facilities by a customer or a device or component included in the said equipment For articles, of the said article Based on the risk and of the said article A step of determining a continuous charging fee based on a purchase price and a contract period, holding the article as inventory, and allowing the customer to purchase the article based on a contract; a step of the management device managing preliminary article information indicating a preliminary article that is the article held as inventory; and a step of the management device continuously charging the continuous charging fee. A method for processing a maintenance service, including: **Advantages of the Invention**

[0011] According to the present disclosure, a continuous charging fee can be appropriately set to provide a maintenance service for a customer's facility. **Brief Description of the Drawings**

[0012]

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Embodiments for Carrying Out the Invention

[0013] Hereinafter, a maintenance service system to which the present invention is applied and a method for processing maintenance services will be described with reference to the drawings.

[0014] (First Embodiment) FIG. 1 is a block diagram showing an example of a maintenance service system 1 in the first embodiment. The maintenance service system 1 includes, for example, a management device 100, a plurality of terminal devices 200, and a plurality of manufacturing plant devices 300. In the following description, when collectively referring to a plurality of terminal devices, it is described as "terminal device 200", and when collectively referring to a plurality of manufacturing plant devices, it is described as "manufacturing plant device 300".

[0015] The management device 100, the terminal device 200, and the manufacturing plant device 300 have a communication interface (not shown) such as a NIC (Network Interface Card) or a wireless communication module for connecting to a communication network NW such as the Internet. The communication network NW may include, for example, a general-purpose network such as the Internet and a private network such as local 5G or WiFi (registered trademark).

[0016] In the embodiment, the management device 100 performs various processes for realizing the maintenance service. The maintenance service is a service that prepares spare items for customers and sells the spare items as replacement items in response to customer requests. The spare items are facilities, devices, parts, etc. included in the facilities operated by customers, and are items stocked before an abnormality occurs. The replacement item is an item sold to the customer among the spare items in order to restore the facility where an abnormality has occurred. The processes for realizing the maintenance service include managing the inventory of spare items based on the contracts concluded by customers, continuously charging customers, and processes for customers to purchase spare items when an abnormality occurs. The terminal device 200 is an information processing device such as a smartphone held by a customer who operates a facility. The manufacturing plant device 300 is an information processing device operated by a person in charge of a manufacturing plant that manufactures various items included in the facility. In the embodiments, infrastructure facilities are described as facilities, but the present invention is not limited thereto, and other facilities than infrastructure facilities are also applicable.

[0017] FIG. 2 is a diagram showing an example of a maintenance service in the first embodiment. In the embodiment, a customer concludes a contract that defines the right to receive provision of spare items during the contract period. This contract includes continuously charging during the contract period and preferentially purchasing spare items according to the customer's requests. In FIG. 2, the upper part shows the process from the contract of the maintenance service in the first embodiment to the delivery, and the lower part shows the process from the order reception of items not subject to the maintenance service contract to the delivery. As shown in the upper part of FIG. 2, in the maintenance service in the first embodiment, when a contract is concluded at time t1, the manufacturer performs a series of operations such as material procurement, production, and inventory for the spare items related to the contract. Then, when the order reception of the spare items related to the contract is received according to the customer's request at time t2, the manufacturer delivers the spare items related to the contract to the customer by time t3. On the other hand, as shown in the lower part of FIG. 2, for items not subject to the contract, when the order is received at time t2, delivery is made at time t4 after material procurement and production. In the example shown in FIG. 2, the timing of the contract is before the material procurement, but the present invention is not limited thereto, and the timing of the contract may be during the material procurement, before or during the production, or even before or during the inventory.

[0018] In this way, the maintenance service can secure inventory by having the manufacturer create spare items by continuously charging the customer a small amount during the contract period. The customer can obtain the right (right to use inventory) to preferentially purchase the inventory of spare items when a trouble occurs in the infrastructure facility. Specifically, the manufacturer prepares an inventory of spare items for the facilities, devices, and parts that make up the customer's infrastructure facility, and can provide the items necessary for prevention and recovery in a short period of time when the infrastructure facility is abnormal. Thereby, it is possible to prevent the devices of the infrastructure facility from stopping when the infrastructure facility is abnormal. Also, even if the facilities, devices, or parts of the infrastructure facility stop when the infrastructure facility is abnormal, recovery can be accelerated. As a result, losses due to the suspension of the infrastructure service using the infrastructure facility can be reduced.

[0019] The management device 100 is an information processing device such as a server device that receives requests from the terminal device 200 and the manufacturer device 300 and performs various processes. The management device 100 includes, for example, an input unit 110, an output unit 120, a control unit 130, and a storage unit 160.

[0020] The input unit 110 receives various types of information from the terminal device 200 and the manufacturer device 300. The output unit 120 outputs various types of information to the terminal device 200 and the manufacturer device 300.

[0021] The control unit 130 includes, for example, a setting unit 132, a contract unit 134, an item management unit 136, a continuous charging unit 138, an item selection unit 140, an output control unit 142, and an exchange charging unit 144. The setting unit 132, the contract unit 134, the item management unit 136, the continuous charging unit 138, the item selection unit 140, the output control unit 142, and the exchange charging unit 144 are functional units realized by a processor such as a CPU (Central Processing Unit) executing a program stored in a program memory.

[0022] The setting unit 132 performs a process of setting the continuous charging fee. The continuous charging fee is a fee that the customer continuously pays during the period when the contract concluded by the customer is valid.

[0023] The contract department 134 acquires contract information based on the information acquired by the input department 110. For example, the contract department 134 transmits contract conditions such as the recurring charge fee and contract period set by the setting department 132 to the terminal device 200, and acquires commitment information indicating that the terminal device 200 approves the contract conditions. Thereby, the contract department 134 acquires contract information including customer information, commitment information, and contract conditions. The contract defines the right to receive the provision of spare items during the contract period. The contract information is information indicating customer information indicating the customer, item information indicating items related to the customer's equipment, and a contract related to recurring charge information. Contract identification information may be added to the contract information. The contract identification information is information for identifying the contract, and is, for example, a contract ID or a keyword.

[0024] The spare item management department 136 performs a process of managing spare item information. The spare item information is information associated with contract information, spare items that are items held according to the contract, and the inventory status of the spare items. The inventory status of the spare items includes, for example, the production status of the spare items and the inventory holding quantity of the spare items. The spare item management department 136 updates information such as the production status of the spare items and the inventory holding quantity of the spare items as the inventory status of the spare items. Further, when there are multiple types of spare items for a customer and a contract, the spare item management department 136 updates the inventory status for each spare item.

[0025] The recurring charge department 138 performs a process of continuously charging the customer based on the recurring charge information. For example, the recurring charge department 138 performs a charging process of billing the customer for recurring charges at a timing preset by the contract.

[0026] The item selection department 140 determines whether an item is a contract target based on the spare item information for the input information indicating the customer and the item, and if it is a contract target, selects the spare item of the item as a replacement item. For example, when there is an abnormality in the infrastructure facility, the item selection department 140 receives input information from the terminal device 200 via the input department 110.

[0027] The output control unit 142 controls the operation of outputting information by the output unit 120. For example, the output control unit 142 controls the output destination of continuous billing information, spare item information, information regarding replacement items, and the timing of this information. Note that the output control unit 142 controls the output of various types of information as shown in FIG. 5 described later, for example. Further, the output control unit 142 transmits content for causing the terminal device 200 to output input information. The content for causing the terminal device 200 to output input information is, for example, data for displaying a screen for allowing a customer to select a spare item. The output unit 120 outputs information regarding replacement items. The information regarding replacement items is information for a customer to perform maintenance using replacement items, such as the presence or absence of replacement items, part numbers, item names, contact information of persons in charge, storage locations, and the like. The output unit 120 may output the purchase price of a replacement item based on the purchase cost information. The purchase cost information is information representing the purchase price of a replacement item. Thereby, the customer can be notified of the cost when purchasing a replacement item.

[0028] The replacement billing unit 144 generates billing information for a customer based on the purchase price of a replacement item. Here, the spare item information may include purchase cost information representing the purchase price of a replacement item. The replacement billing unit 144 generates billing information for billing the purchase price of a replacement item represented by the purchase cost information. The billing information is transmitted to the terminal device 200 by the output unit 120 and the output control unit 142. The output unit 120 may output the purchase price of a replacement item based on the purchase cost information.

[0029] The storage unit 160 includes, for example, a contract storage unit 162, a continuous billing storage unit 164, and a purchase cost storage unit 166. The storage unit 160 is, for example, an information storage device configured by various information storage media, and may be a NAS (Network Attached Storage) device accessible by the management device 100 via a communication network.

[0030] The contract memory unit 162 stores customer information, article information, and contract information. The customer information is information indicating a customer, such as information on name, contact information, article delivery destination, etc. The article information is information indicating articles related to a customer's facilities, equipment, devices, and parts. Articles related to a customer's facilities, equipment, devices, and parts are articles necessary for operating facilities such as devices, parts, and members included in the equipment. The contract information is information indicating a contract associated with continuous billing information. Specifically, the contract information is, for example, information indicating a contract in which customer information, article information, and continuous billing information are associated. The contract information is, for example, information for each customer.

[0031] The continuous billing memory unit 164 stores by associating customer information, continuous billing information, the payment status of continuous billing, etc. The purchase cost memory unit 166 stores by associating customer information, purchase cost information of spare articles, the payment status of purchase costs, etc. When there are multiple types of spare articles contracted by a certain customer, it is desirable for the continuous billing memory unit 164 to store continuous billing information and payment status for each type of spare article, and it is desirable for the purchase cost memory unit 166 to store purchase cost information and payment status for each type of spare article.

[0032] The terminal device 200 is an information processing device such as a smartphone or a personal computer held by a customer. The terminal device 200 includes, for example, a terminal input unit 202, a terminal output unit 204, a terminal control unit 206, and a terminal memory unit 208. The terminal input unit 202 is a device such as a touch sensor. The terminal output unit 204 is a display device such as a display. The terminal control unit 206 is a processor that executes a program such as a built-in CPU. The terminal memory unit 208 is a memory that stores various types of information.

[0033] The fabrication plant device 300 is an information processing device such as a smartphone or a personal computer held by a person in charge of the fabrication plant. The fabrication plant device 300 includes, for example, a reception unit 302 and a fabrication management unit 304. The reception unit 302 receives a production request for manufacturing an article from the management device 100. The production management unit 304 manages information regarding the order status of articles, information regarding the material procurement status, information regarding the production status, and information regarding the inventory status. Information regarding the order status of articles is, for example, information indicating a customer and the type and quantity of the ordered articles. Information regarding the material procurement status is, for example, information indicating the type and quantity of materials for manufacturing the type and quantity of the ordered articles, and the acquired quantity. Information regarding the production status is, for example, status information such as unmanufactured, in production, and manufactured, and information indicating progress such as the start time of production and the completion time of production. Information regarding the inventory status is information indicating the inventory quantity, inventory location, and the like.

[0034] FIG. 3 is a diagram showing an example of the infrastructure facility 400 in the first embodiment. The infrastructure facility 400 may include, for example, a plurality of facilities, each of the plurality of facilities may include a plurality of devices, and each of the plurality of devices may include a plurality of components. For example, in a power system, it includes a plurality of power generation facilities, a plurality of voltage transformation devices, and components included in each voltage transformation device. Further, the infrastructure facility includes a plurality of types of facilities, a plurality of types of devices, and a plurality of types of components. Note that the facilities, devices, and components included in the infrastructure facility vary depending on the customer. Therefore, for each customer, a plurality of types of facilities may be contracted as spare articles, a plurality of types of devices may be contracted as spare articles, and a plurality of types of components may be contracted as spare articles. Note that the infrastructure facility in the embodiment is a facility constituting a power system, etc., but is not limited thereto, and may be a facility such as gas, water supply, railway, road, building, etc. The facilities in the embodiment may be facilities included in facilities such as gas, water supply, railway, road, etc., or may be building facilities such as elevators.

[0035] FIG. 4 is a diagram showing an example of a screen displayed on the terminal device 200 for creating input information in the first embodiment. The management device 100 receives, for example, a request to select a replacement part from the input unit 110 when an abnormality occurs in the infrastructure facility. The management device 100 transmits content data for selecting a replacement part to the terminal device 200 in response to the received request. The terminal device 200 displays a screen as shown in, for example, FIG. 4 based on the content data.

[0036] The display screen shown in FIG. 4 includes, for example, images indicating the type of facility, the type of equipment, the type of device, and the type of part. Radio buttons for selecting the type of facility, the type of equipment, the type of device, and the type of part are arranged on the display screen shown in FIG. 4. The terminal device 200 inputs that the type of facility, the type of equipment, the type of device, and the type of part have been selected by receiving the customer's operation. The terminal device 200 transmits input information indicating the customer, the selected type of facility, the type of equipment, the type of device, and the type of part to the management device 100. Further, the terminal device 200 may include the number corresponding to the selected type of facility, the type of equipment, the type of device, and the type of part in the input information.

[0037] FIG. 5 is a sequence diagram showing an example of a processing procedure in the maintenance service system 1 in the first embodiment. First, the terminal device 200 transmits contract information S10 to the management device 100 during normal times. Note that the management device 100 may acquire the contract information S10 in response to the customer's operation. A continuous charging fee is set by the setting unit 132, and the contract unit 134 acquires the contract information S10. During normal times, there is no abnormality in the customer's infrastructure facility. The management device 100 stores the contract information S10 in the storage unit 160. The output unit 120 outputs a production request S12 to the manufacturing plant device 300 based on the contract information S10.

[0038] The manufacturing plant device 300 receives a manufacturing request S12 by the reception unit 302. In the manufacturing plant, operations such as the manufacturing of articles and inventory are performed. When a preliminary article is manufactured, the manufacturing management unit 304 transmits information S14 regarding the inventory status of the preliminary article to the management device 100. Thereby, the management device 100 can update the inventory status of the preliminary article by the article management unit 136.

[0039] The recurring billing unit 138 performs a process of continuously billing the customer based on the recurring billing information and transmits the recurring billing information S16 to the terminal device 200. Thereby, the terminal device 200 can cause the customer to recognize the recurring billing information.

[0040] In the event of an abnormality in the infrastructure facility, the terminal device 200 receives the operation of the customer and transmits input information S18 indicating the customer and the article to the management device 100. The input information S18 corresponds to an order request for an article for the management device 100 and the manufacturing plant device 300. In response to receiving the input information, the management device 100 acquires information S20 regarding the inventory status of the preliminary article from the manufacturing plant device 300. The article management unit 136 updates information such as the manufacturing status of the preliminary article and the inventory holding quantity of the preliminary article based on the information S20 regarding the inventory status.

[0041] The article selection unit 140 determines whether or not it is the subject of a contract based on the preliminary article information for the input information, and if it is the subject of a contract, selects the preliminary article of the article as a replacement. The output unit 120 transmits information S22 indicating the selected replacement to the terminal device 200.

[0042] The terminal device 200 displays the information S22 indicating the replacement and prompts the customer to perform an operation to purchase the replacement. In response to receiving the operation to purchase the replacement, the terminal device 200 transmits a delivery request S24 for the replacement to the management device 100. The input unit 110 acquires the delivery request S24 from the terminal device 200, and the output unit 120 transmits a delivery request S26 to the manufacturing plant device 300 in response to the delivery request S24 to the manufacturing plant device 300. Thereby, the manufacturing plant device 300 receives the delivery request S26, and the person in charge of the manufacturing plant can ship the replacement.

[0043] The exchange charging unit 144 transmits the purchase charging information S28 to the terminal device 200. The terminal device 200 presents the purchase amount of the replacement item to the customer in response to receiving the purchase charging information S28.

[0044] In the above-described processing procedure, the following processing may be performed. The item selection unit 140 may use the customer information as input information and select a replacement item or a candidate for the replacement item based on the preliminary item information for the input information. For example, when the customer included in the input information matches the customer included in the preliminary item information, the item selection unit 140 determines that the customer has the right to select the preliminary item as a replacement item. When the type of facility, type of equipment, type of device, and type of component included in the input information match the type of preliminary item included in the preliminary item information, the item selection unit 140 may select the matching preliminary item as a replacement item. The item selection unit 140 may propose a preliminary item as a candidate for the replacement item. For example, when the customer is having a plurality of preliminary items manufactured, the item selection unit 140 may extract information indicating candidates for the preliminary items that are the subject of the contract among the preliminary items corresponding to the customer and transmit the information indicating the candidates for the preliminary items to the terminal device 200. For example, when there are a plurality of preliminary items corresponding to the type of preliminary item selected by the customer, the item selection unit 140 may extract information indicating the candidates for the plurality of corresponding preliminary items and transmit the information indicating the candidates for the preliminary items to the terminal device 200.

[0045] Instead of the input information based on the customer's operation, the item selection unit 140 may select a preliminary item based on the contract information for identifying the contract stored in the contract storage unit 162 or the contract information obtained from the terminal device 200. For example, when an abnormality occurs in the infrastructure facility, the item selection unit 140 may obtain, by the input unit 110, the contract identification information transmitted from the terminal device 200 to the management device 100 and obtain the obtained contract identification information as input information. The item selection unit 140 selects a preliminary item based on the customer or preliminary item associated with the contract identification information. When, for example, the customer associated with the contract identification information matches the customer included in the spare item information, the item selection unit 140 determines that the customer has the right to select the spare item as a replacement item. For example, when the spare item associated with the contract identification information matches the type of spare item included in the spare item information, the item selection unit 140 selects the matching spare item.

[0046] The terminal device 200 may read a code such as a two-dimensional code attached to the facility or item, generate item identification information indicating the facility, device, or part based on the code, and transmit it to the management device 100. When the item selection unit 140 acquires the item identification information, it determines whether the facility, device, or part indicated by the item identification information matches the item information or spare item information included in the contract information. When the item indicated by the item identification information is determined to be a spare item by the item selection unit 140, the output unit 120 outputs information indicating that the item indicated by the item identification information is the subject of the contract to the terminal device 200. When the item indicated by the item identification information is determined not to be a spare item but to be included in the item information by the item selection unit 140, the output unit 120 outputs information indicating that the facility or item indicated by the item identification information is not the subject of the contract to the terminal device 200.

[0047] As described above, according to the maintenance service system 1 of the first embodiment, customer information, item information, and contract information are stored, spare item information in which the contract information is associated with the spare item is managed, and continuous billing can be performed on the customer based on the continuous billing information. The maintenance service system 1 determines whether it is the subject of the contract based on the spare item information for the input information indicating the customer and the item, and if it is the subject of the contract, selects the spare item of the item as a replacement item and can output information regarding the replacement item.

[0048] Accordingly, according to the maintenance service system 1, it is possible to prepare spare items of the customer's infrastructure as inventory before an abnormality occurs in the customer's infrastructure. Further, according to the maintenance service system 1, when an abnormality occurs in the customer's infrastructure, spare items can be selected as replacement items based on the input information. As a result, for the customer, it is possible to prepare inventory of spare items for the infrastructure for each customer and promptly supply the spare items to the infrastructure in case of an abnormality. Also, for the manufacturer, it is possible to obtain continuous billing for preparing the spare items of the customer's infrastructure as inventory.

[0049] Note that the contract information may indicate a contract in which a customer, an infrastructure, equipment included in the infrastructure, a device included in the equipment, an item included in the device, and continuous billing information are associated. The spare item information is information in which a customer's infrastructure, equipment, device, or part is set as a spare item. The customer's infrastructure is, for example, a power plant, a power transmission and distribution facility, a factory, a building, or the like. The item selection unit 140 determines whether or not it is a contract target based on the spare item information for the input information further including information indicating the customer's infrastructure, and if it is a contract target, selects the spare item of the item as a replacement item. Note that the contract in the contract information in the embodiment defines the right to receive spare items during the contract period.

[0050] Also, the contract information may be information indicating a contract in which continuous billing information is associated for each customer, equipment, device, a part included in the device, or a combination of parts. The spare item information is information in which equipment, a device, a part included in the device, or a combination of parts is set as a spare item. The item selection unit 140 determines whether or not it is a contract target based on the spare item information for the parts included in the input information, and if it is a contract target, selects the part as a replacement item.

[0051] The contract information may be information indicating a contract in which a customer, equipment, device, parts, and recurring billing information are associated. The device as equipment may be, for example, a generator, transformer, switchgear, air conditioner, or elevator. The spare item information is information in which a device or an article of the device as equipment is set as a spare item. The item selection unit 140 determines whether an input item is contract-targeted based on the spare item information for the input information further including information indicating the device, and selects the spare item of the item as a replacement item if the item is contract-targeted.

[0052] (Second Embodiment) Hereinafter, the second embodiment will be described. The same components as those in the first embodiment are denoted by the same reference numerals. FIG. 6 is a diagram showing an example of the maintenance service system 1A in the second embodiment. The maintenance service system 1A of the second embodiment includes one or more inventory facility devices 500. The inventory facility device 500 is an information processing device such as a smartphone or a personal computer operated by a person in charge of the inventory facility. The inventory facility device 500 includes an inventory management unit 502. The inventory management unit 502 is a functional unit realized by a CPU executing a program. The maintenance service system 1A of the second embodiment further includes a deadline calculation unit 146, a management unit 148, a shipping arrangement unit 150, and an inventory storage unit 168 in addition to the maintenance service system 1 of the first embodiment. The inventory management unit 502 manages, for example, information for identifying spare items carried into the inventory facility.

[0053] In the maintenance service system 1A according to the second embodiment, the article management unit 136 of the control unit 130A manages spare article information in which spare articles, which are articles held according to a contract, are associated with storage location information indicating the storage location of the spare articles. The storage location information is, for example, information indicating the location of an inventory facility where the spare articles are stored as inventory. The storage location information is stored in association with the spare articles based on, for example, information for identifying the spare articles transmitted from the inventory facility device 500. The output unit 120 outputs the storage location information based on the spare article information of the replacement article. The storage unit 160A includes an inventory storage unit 168 that stores storage location information indicating the storage location of the spare articles for each customer and each spare article.

[0054] FIG. 7 is a sequence diagram showing an example of a processing procedure in the maintenance service system 1A according to the second embodiment. When the manufacturing plant device 300 receives a manufacturing request S12 by the reception unit 302, at the manufacturing plant, operations such as manufacturing and inventory of articles are performed, and the manufactured articles are transported to the inventory facility. The manufacturing plant device 300 updates the spare article information by associating the storage location information indicating the location of the inventory facility with the spare articles, and outputs information for identifying the spare articles and an inventory request S30 to the inventory facility device 500. The inventory facility device 500 acquires the inventory request S30 from the manufacturing plant device 300 and registers the information for identifying the spare articles. Further, the production management unit 304 transmits information S14 regarding the inventory status such as the storage location of the spare articles to the management device 100. Thereby, the management device 100 can update the storage location information of the spare articles by the article management unit 136.

[0055] In the event of an abnormality in the infrastructure facility, the terminal device 200 receives a customer operation and transmits input information S18 indicating the customer and the article to the management device 100. The management device 100 transmits the input information S18 to the manufacturing plant device 300, and the manufacturing plant device 300 may transmit the information S32 for inquiring about the inventory of the articles to the inventory facility device 500. The inventory facility device 500 transmits a response S34 indicating whether or not the article to be inquired about is in stock to the manufacturing plant device 300. As a result, the management device 100 acquires the information S20 regarding the inventory status of the spare articles from the manufacturing plant device 300. The article management unit 136 updates information such as the production status of the spare articles, the inventory holding quantity of the spare articles, and the inventory location of the spare articles based on the information S20 regarding the inventory status.

[0056] The article selection unit 140 determines whether or not it is the subject of a contract based on the input information and the spare article information. If it is the subject of a contract, the spare article of the article is selected as a replacement. The output unit 120 transmits the information indicating the selected replacement and the storage location information S36 where the replacement is stored to the terminal device 200.

[0057] The terminal device 200 displays the information indicating the replacement and the storage location information S36 where the replacement is stored, and prompts the customer to perform an operation to purchase the replacement. At this time, the terminal device 200 can cause the customer to select a replacement in consideration of the distance to the replacement location and the transport time by displaying the storage location information of the spare article. According to such a maintenance service system 1A, it is possible to present the storage location of the spare article to the customer and arrange for the transportation of the replacement.

[0058] The control unit 130A of the maintenance service system 1A may include a due date calculation unit 146, a management unit 148, and a shipping arrangement unit 150.

[0059] The contract information may include a delivery guarantee period indicating the period until the replacement is delivered. The output unit 120 may output the delivery guarantee period or information based on the delivery guarantee period. The information based on the delivery guarantee period is, for example, information indicating the number of days until the delivery due date calculated from the purchase cost payment date.

[0060] The due date calculation unit 146 calculates the shipping due date from the delivery due date days from the start date, with the purchase cost payment date acquired as input information as the start date. The output unit 120 outputs the shipping due date for the replacement product.

[0061] The spare item information may include the notification destination of the spare item's shipping source. The notification destination of the spare item's shipping source is, for example, the address information of the manufacturing plant device 300 corresponding to the manufacturing plant that manufactured the spare item, or the address information of the inventory facility device 500 corresponding to the inventory location where the spare item is stored. The output unit 120 outputs information regarding the replacement product and information indicating the delivery guarantee period or the delivery guarantee period to the notification destination of the shipping source. Thereby, the person in charge of the manufacturing plant or the inventory facility can be notified of the delivery guarantee period or the delivery guarantee period for the replacement product.

[0062] The contract information may include an exchange guarantee period indicating the period until the replacement product is exchanged. The output unit 120 outputs the exchange guarantee period or information based on the exchange guarantee period to the terminal device 200. The information based on the exchange guarantee period is information indicating the exchange due date. The exchange due date is determined, for example, by the number of days counted from the exchange cost payment date.

[0063] The due date calculation unit 146 may calculate the exchange due date based on the input start date and the exchange guarantee period. The output unit 120 outputs the exchange due date for the replacement product.

[0064] The spare item information may include notification destination information indicating the notification destination. The output unit 120 outputs information regarding the replacement product to the notification destination based on the notification destination information. The notification destination is, for example, a customer, a person in charge of a facility of an infrastructure facility, a maintenance contractor who performs work to replace the product, a storage destination of the replacement product, a system person in charge, or a sales person in charge. Information regarding the replacement product is, for example, information identifying the replacement product, information identifying a facility, equipment, device, or component, the delivery guarantee period, the scheduled shipping or shipping status, and the expected recovery.

[0065] The management unit 148 performs a process of managing the shipment of replacement items. The process of managing the shipment of replacement items is, for example, a process of registering and updating information indicating the shipment status such as the customer, the notification destination, the type of spare item, the number of spare items, the request date, the scheduled shipment date, the shipment date, the delivery status, and the delivery date. The notification destination includes the customer, the person in charge of the customer's facility (power plant, factory, building), or the contractor who repairs the equipment, and the person in charge of the customer. The output unit 120 outputs information indicating the shipment status of the replacement items to the notification destination.

[0066] The spare item information may include shipment information indicating the shipment destination and the shipment origin of the spare item. The shipment destination is the customer, the location of the infrastructure facility, the maintenance contractor, a separately designated shipment destination, etc. The shipment arrangement unit 150 arranges the shipment of the replacement items to the shipment origin based on the contract information and the shipment information. For example, the shipment arrangement unit 150 outputs a request to ship the spare items in the contract to the shipment origin of the spare item, and outputs the shipment status of the spare item to the shipment destination of the spare item. The contract information may include a delivery guarantee period indicating the deadline until the replacement items are provided. The shipment arrangement unit 150 outputs the delivery guarantee period or information based on the delivery guarantee period.

[0067] The shipment arrangement unit 150 may output information indicating that it is the subject of the contract and priority information indicating that it should be delivered preferentially in arranging the shipment of the spare item. The shipment arrangement unit 150 may include information indicating that the spare item is an item subject to continuous billing in the information requesting the shipment of the spare item to the shipment origin of the spare item. Thereby, the management device 100 can make the shipment origin recognize that it should deliver immediately. The shipment arrangement unit 150 may include information indicating that the spare item is an item subject to continuous billing in the information sent to the shipment destination of the spare item. Thereby, the management device 100 can make the shipment destination recognize that the spare item subject to the contract is shipped.

[0068] (Third Embodiment) Hereinafter, the third embodiment will be described. The same parts as those in the above-described embodiments are denoted by the same reference numerals. FIG. 8 is a diagram showing an example of the maintenance service system 1B in the third embodiment. In the maintenance service system 1B, the output unit 120B includes a first output unit 122 and a second output unit 124.

[0069] FIG. 9 is a sequence diagram showing an example of a processing procedure in the maintenance service system 1 according to the third embodiment. The first output unit 122 determines whether an article is a contract target based on preliminary article information for the input information S40 indicating the customer and the article. When it is a contract target, the first output unit 122 outputs target article information S42 indicating that the article is a contract target. For example, during normal times, the first output unit 122 outputs information indicating articles that are subject to continuous billing for the information indicating the customer and the article transmitted from the terminal device 200. Thereby, the customer can confirm the articles that are subject to continuous billing. In addition, the person in charge at the manufacturing plant outputs information indicating the customer and the article to the management device 100 and can confirm the inventory of the articles that are subject to continuous billing output from the first output unit 122.

[0070] The article selection unit 140 of the control unit 130B determines whether an article is a contract target based on preliminary article information for the input information S18 indicating the customer and the article, for example, during abnormal times. When it is a contract target, the article selection unit 140 selects the article as a replacement. The second output unit 124 outputs replacement article information S22 regarding the replacement selected by the article selection unit 140. Thereby, the maintenance service system 1B can output information indicating preliminary articles that are subject to continuous billing during normal times, for example, and output information indicating replacement articles during abnormal times.

[0071] Note that the first output unit 122 may output continuous billing information based on the contract information for the input information indicating the customer. The continuous billing information may include information such as a monthly fee, a contract start date and end date, a contract period, a usage period, a billing record, and a billing destination.

[0072] Further, the first output unit 122 may output article information indicating the articles subject to the contract based on the contract information for the input information indicating the customer. The article information may be a list of the parts subject to the contract, and the information corresponding to each article may be the article name, the type of the article, and the target device in the infrastructure facility.

[0073] Further, the first output unit 122 may output information regarding spare articles based on the spare article information for the input information indicating the customer. The information regarding the spare articles may be the articles subject to the contract and may include information such as the article name, the manufacturing date, the target device, the storage location, and the storage start date of the articles already manufactured at the manufacturing plant.

[0074] Also, the contract information may be associated with the customer, the customer's facility, the equipment, the parts of the equipment, and the continuous billing information. The first output unit 122 may output information indicating whether the facility, the equipment, the parts, and each part are subject to the contract for the input information indicating the customer.

[0075] Also, the contract information is associated with the customer, the customer's facility, the articles related to the customer's facility, and the continuous billing information. The first output unit 122 may output the continuous billing information and the article information indicating the articles subject to the contract based on the contract information for the input information indicating the facility.

[0076] Further, the first output unit 122 may output article information indicating the articles subject to the contract for the equipment in the facility based on the contract information for the input information indicating the facility.

[0077] Further, the first output unit 122 may output information regarding spare articles for the equipment in the facility based on the spare article information for the input information indicating the facility.

[0078] Further, the first output unit 122 may output information indicating whether or not an article that is the subject of a contract includes each facility in the facility based on the contract information or the preliminary article information with respect to the information indicating the input facility. At this time, the article selection unit 140 determines whether the information indicating the input facility is included in the article information in the contract information, or whether the information indicating the input facility is included in the preliminary articles in the preliminary article information.

[0079] In addition, the contract information is associated with a customer, articles related to the customer's facilities, and continuous billing information, and the first output unit 122 may output, based on the contract information, the continuous billing information and article information indicating the articles that are the subject of the contract with respect to the information indicating the input facility.

[0080] Further, the first output unit 122 may output, based on the contract information, article information indicating the articles that are the subject of the contract for the facility with respect to the information indicating the input facility.

[0081] Further, the first output unit 122 may output, based on the preliminary article information, information regarding the preliminary articles for the facility with respect to the information indicating the input facility.

[0082] Further, the first output unit 122 may output information indicating whether or not each component of the facility is the subject of a contract based on the contract information or the preliminary article information with respect to the information indicating the input facility. At this time, the article selection unit 140 determines whether the information indicating the input facility is included in the article information in the contract information, or whether the information indicating the input facility is included in the preliminary articles in the preliminary article information.

[0083] (Fourth Embodiment) Hereinafter, the fourth embodiment will be described. The same components as those in the above-described embodiment are denoted by the same reference numerals. FIG. 10 is a diagram showing an example of the maintenance service system 1C in the fourth embodiment. In the fourth embodiment, the control unit 130C includes, for example, a setting unit 132C, an article management unit 136, and a continuous charging unit 138. The setting unit 132C determines a continuous charging fee based on a contract for holding an article as inventory for an article related to a customer's facility, based on at least one of a risk (failure rate), a purchase price, and a contract period. The risk for an article is, for example, the failure rate during a reference usage period.

[0084] The setting unit 132C sets a higher continuous charging fee for an article with a higher failure rate and a lower continuous charging fee for an article with a lower failure rate. The setting unit 132C sets a higher continuous charging fee for an article with a higher purchase amount and a lower continuous charging fee for an article with a lower purchase amount. The setting unit 132C sets a lower continuous charging fee for an article with a longer contract period and a higher continuous charging fee for an article with a shorter contract period. The setting unit 132C may determine the continuous charging fee based on all of the risk, the purchase price, and the contract period, or may determine the continuous charging fee based on a combination of two of the risk, the purchase price, and the contract period. Further, the setting unit 132C may determine the continuous charging fee by multiplying different weighting coefficients to the risk, the purchase price, and the contract period according to the importance of the risk, the purchase price, and the contract period. Note that the setting unit 132C may set a lower continuous charging fee as the failure rate (replacement frequency) is higher. Thereby, many contracts can be obtained for articles with a high failure rate, and the inventory turnover rate (number of sales) can be improved.

[0085] When there are a plurality of types of spare articles for a customer, the setting unit 132C may determine a continuous charging fee for each type of spare article. The setting unit 132C determines the continuous charging fee for each spare article based on the risk, the purchase price, and the contract period of each type of spare article, and determines the total of the continuous charging fees for the plurality of spare articles as the continuous charging fee for each customer.

[0086] The item management department 136 performs a process of managing spare item information indicating spare items that are items held as inventory. The recurring billing department 138 performs a process of continuously billing the recurring billing fee determined by the setting department 132C.

[0087] The setting department 132C may calculate a contract period based on the recurring billing fee. The setting department 132C may calculate the recurring billing fee for each spare item based on the respective risks, purchase fees, and contract periods of the types of spare items, and transmit information indicating the calculated recurring billing fee to the terminal device 200. The setting department 132C calculates a contract period based on information for changing the recurring billing fee acquired from the terminal device 200. Thereby, the setting department 132C can consider the contract period when the recurring billing fee is adjusted by the customer.

[0088] FIG. 11 is a sequence diagram showing an example of a processing procedure in the maintenance service system 1C in the fourth embodiment. First, in normal times, the terminal device 200 transmits contract information S10# to the management device 100. The contract information S10# includes, for example, information indicating items related to the equipment of the customer subject to the contract and information indicating the contract period. The management device 100 stores the contract information S10# in the storage unit 160A. The setting department 132C determines a recurring billing fee based on a contract for holding an item as inventory, based on at least any one of the risk and purchase fee of the item subject to the contract and the contract period. The recurring billing department 138 performs a process of continuously billing the customer based on the recurring billing information indicating the determined recurring billing fee, and transmits the recurring billing information S16 to the terminal device 200. Thereby, the terminal device 200 can cause the customer to recognize the recurring billing information.

[0089] The output unit 120 outputs a manufacturing request S12 to the manufacturing plant device 300 based on the contract information S10. The manufacturing plant device 300 receives the manufacturing request S12 by the reception unit 302. At the manufacturing plant, operations such as the manufacturing of articles and inventory are performed. When a preliminary article is manufactured, the manufacturing management unit 304 transmits information S14 regarding the inventory status of the preliminary article to the management device 100. Thereby, the management device 100 can update the inventory status of the preliminary article by the article management unit 136.

[0090] In the event of an abnormality in the infrastructure facility, the terminal device 200 receives the customer's operation and transmits input information S18 indicating the customer and the article to the management device 100. The input information S18 corresponds to an order request for an article for the management device 100 and the manufacturing plant device 300. In response to receiving the input information, the management device 100 acquires information S20 regarding the inventory status of the preliminary article from the manufacturing plant device 300. The article management unit 136 updates information such as the manufacturing status of the preliminary article and the inventory holding quantity of the preliminary article based on the information S20 regarding the inventory status.

[0091] The article selection unit 140 determines whether or not an article is a contract target based on the preliminary article information for the input information. If it is a contract target, the preliminary article of the article is selected as a replacement. The output unit 120 transmits information S22 indicating the selected replacement to the terminal device 200.

[0092] The terminal device 200 displays the information S22 indicating the replacement and prompts the customer to perform an operation to purchase the replacement. In response to receiving the operation to purchase the replacement, the terminal device 200 transmits a delivery request S24 for the replacement to the management device 100. The input unit 110 acquires the delivery request S24 from the terminal device 200, and the output unit 120 transmits a delivery request S26 to the manufacturing plant device 300 according to the delivery request S24 to the manufacturing plant device 300. Thereby, the manufacturing plant device 300 receives the delivery request S26, and the person in charge at the manufacturing plant can send the replacement.

[0093] The exchange charging unit 144 transmits the purchase charging information S28 to the terminal device 200. The terminal device 200 presents the purchase amount of the replacement item to the customer in response to receiving the purchase charging information S28.

[0094] FIG. 12 is a flowchart showing an example of a process for determining a recurring charge in the maintenance service system 1C according to the fourth embodiment. First, the setting unit 132C acquires, for example, customer information, facility information including one or more pieces of article information, and contract information including contract period information (step ST100). Next, the setting unit 132C calculates the risk of the article subject to the contract based on the facility information (step ST102). Next, the setting unit 132C determines a recurring charge based on at least any one of the risk, the purchase price of the article subject to the contract, and the contract period (step ST104).

[0095] The setting unit 132C may determine the recurring charge based on the number of customers having a contract corresponding to the spare article. The setting unit 132C determines the recurring charge based on at least any one of the risk, the purchase price of the article subject to the contract, and the contract period, and the number of customers. The setting unit 132C determines a lower recurring charge as the number of customers having a contract corresponding to the spare article is larger, and determines a higher recurring charge as the number of customers is smaller.

[0096] FIG. 13 is a flowchart showing an example of another process for determining a recurring charge in the maintenance service system 1C according to the fourth embodiment. First, the setting unit 132C acquires, for example, customer information, facility information including one or more pieces of article information, and contract information including contract period information (step ST200). Here, the articles related to the customer's facility include at least one type of article among a plurality of types.

[0097] Next, the setting unit 132C calculates the risk of the item subject to the contract based on the equipment information (step ST202). The setting unit 132C calculates the risk for each type of item subject to the contract. For example, when the risk is set step by step according to the type of the item, device, or equipment, the setting unit 132 determines the risk according to the type of the item, device, or equipment subject to the contract.

[0098] Next, the setting unit 132C sets the contract period for each type of item based on the risk calculated for each type of item subject to the contract (step ST204). The setting unit 132C may set a shorter contract period for the type of item with a higher risk and a longer contract period for the type of item with a lower risk with reference to the contract period information included in the contract information. Next, the setting unit 132C determines the recurring charge based on at least one of the risk for each type of item subject to the contract, the purchase price for each type of item subject to the contract, and the contract period for each type of item subject to the contract (step ST206).

[0099] Next, the setting unit 132C determines the recurring charge including a plurality of types of items included in the equipment information (step ST208). The setting unit 132C determines the recurring charge by summing up the recurring charges for each type of item subject to the contract for each type of item subject to the contract.

[0100] FIG. 14 is a flowchart showing an example of other processes for determining the recurring charge in the maintenance service system 1C in the fourth embodiment. First, the setting unit 132C acquires contract information including, for example, customer information, one or more pieces of item information, and contract period information (step ST300). Next, the setting unit 132C calculates the risk of the item subject to the contract based on the item information (step ST302). Next, the setting unit 132C totals the number of customers having a contract corresponding to the item (step ST304).

[0101] Next, the setting unit 132C determines the number of spare items based on the number of customers and the risk for each item (step ST306). The setting unit 132 increases the number of spare items as the number of customers increases. The setting unit 132 increases the number of spare items as the risk increases. Next, the setting unit 132C calculates the spare item cost according to the number of spare items determined in step ST306 and the purchase price of the spare items (step ST308). The spare item cost is the cost required to maintain the determined number of spare items, including, for example, production costs and inventory costs. Next, the setting unit 132C determines the recurring billing fee based on the spare item cost calculated in step ST308 and the number of customers (step ST310). The setting unit 132C determines the recurring billing fee per customer, for example, by dividing the spare item cost by the number of customers. Also, when the number of items contracted per customer is different, the setting unit 132 determines the recurring billing fee according to the number of items contracted per customer.

[0102] Next, the setting unit 132C acquires the environmental information of the item to be contracted (step ST312). The setting unit 132C acquires the environmental information of the item based on, for example, the location information of the customer's infrastructure from the terminal device 200. For example, when the infrastructure is installed near the sea, the failure rate is higher than that of the infrastructure installed at a location far from the sea. When the infrastructure is installed in a region with a high temperature, the failure rate is higher than that of the infrastructure installed in a region with a low temperature. When the infrastructure is installed in a place where maintenance services (visual inspection, etc.) cannot be regularly performed, such as a mountainous area, the failure rate is higher than that of the infrastructure where maintenance services are regularly performed. The setting unit 132C updates the recurring billing fee determined in step ST310 so that the recurring billing fee increases as the failure rate increases due to the environment of the item for the infrastructure (step ST314). Note that the setting unit 132C does not need to update the recurring billing fee based on the environmental information for items whose failure rate does not increase due to the environment of the item.

[0103] The setting unit 132C acquires information indicating the usage status of maintenance services for the customer's facilities or equipment (step ST316). The information indicating the usage status of maintenance services is, for example, the inspection history of infrastructure facilities, the regular parts replacement history in infrastructure facilities, and the like. The usage status of maintenance services may include that the payment of the continuous charging fee for the spare items has already been confirmed. The setting unit 132C performs a discount process on the continuous charging fee for the items of the equipment based on the usage status of the maintenance services for the customer's facilities or equipment (step ST318). When the customer is using the maintenance service, the setting unit 132C updates to lower the continuous charging fee for the new spare items. In addition, the setting unit 132C acquires the inspection history and parts replacement history of the infrastructure facilities for each customer, and when the maintenance service is used based on the inspection history and parts replacement history, since the failure rate of the infrastructure facilities decreases, it updates to lower the continuous charging fee.

[0104] As described above, according to the maintenance service system 1C of the fourth embodiment, the continuous charging fee is determined based on at least one of the risk, purchase price, and contract period for the items related to the customer's equipment, the spare item information indicating the spare items is managed, and the continuous charging fee can be continuously charged. According to this maintenance service system 1C, the continuous charging fee for providing the maintenance service for the customer's equipment can be appropriately set.

[0105] Although each embodiment and modification example have been described, they are only examples and are not limited thereto. For example, any one of each embodiment or each modification example, or a part of each embodiment or a part of each modification example may be combined with one or more other embodiments or one or more other modification examples to realize an aspect of the present invention.

[0106] Hereinafter, aspects of the present disclosure can be described as follows. (Appendix 1) A contract storage unit that stores contract information indicating a contract in which a customer, items related to the customer's equipment, and continuous charging information are associated; An item management unit that manages preliminary item information in which the preliminary items that are the items held according to the contract and the storage locations of the preliminary items are associated; A continuous billing unit that continuously bills based on continuous billing information; An item selection unit that determines whether an input is subject to the contract based on the preliminary item information for the input customer and item, and if it is subject to the contract, selects the preliminary item of the item as a replacement; An output unit that outputs the storage location information representing the replacement item and the storage location of the replacement item based on the preliminary item information of the replacement item; A maintenance service system comprising: (Appendix 2) The contract information includes a delivery guarantee period indicating the period until the replacement item is delivered; The output unit outputs the delivery guarantee period or information based on the delivery guarantee period; The maintenance service system according to (Appendix 1). (Appendix 3) A deadline calculation unit that calculates a shipping deadline date based on the input start date and the delivery guarantee period; The output unit outputs the shipping deadline date for the replacement item; The maintenance service system according to (Appendix 2). (Appendix 4) The preliminary item information includes the notification destination of the shipping source of the preliminary item; The output unit outputs information regarding the replacement item and information based on the delivery guarantee period or the delivery guarantee period to the notification destination of the shipping source; The maintenance service system of (Appendix 2). (Appendix 5) The contract information includes an exchange guarantee period indicating the period until the replacement item is exchanged; The output unit outputs the exchange guarantee period or information based on the exchange guarantee period; (Appendix 1) The maintenance service system. (Appendix 6) A deadline calculation unit that calculates an exchange deadline date based on the input start date and the exchange guarantee period; The output unit outputs the replacement deadline date for the replacement item. The maintenance service system according to (Appendix 5). (Appendix 7) The spare item information includes the notification destination. Based on the notification destination information, the output unit outputs information regarding the replacement item to the notification destination. The maintenance service system according to (Appendix 1). (Appendix 8) It includes a management unit that manages the shipment of the replacement item. The notification destination includes the customer, the person in charge of the customer's facility, or the contractor who repairs the facility, and the person in charge of the customer. The output unit outputs information indicating the shipment status of the replacement item to the notification destination. The maintenance service system according to (Appendix 7). (Appendix 9) The spare item information includes shipment information indicating the shipment destination and the shipment origin of the spare item. Based on the contract information and the shipment information, it includes a shipment arrangement unit that arranges the shipment of the replacement item to the shipment origin. The contract information includes a delivery guarantee period indicating the deadline until the replacement item is provided. The shipment arrangement unit outputs the delivery guarantee period or information based on the delivery guarantee period. The maintenance service system according to (Appendix 1). (Appendix 10) In the arrangement of the shipment, the shipment arrangement unit outputs information indicating that it is the subject of the contract and priority information indicating that it should be delivered preferentially. The maintenance service system according to (Appendix 9). (Appendix 11) A contract storage unit that stores contract information indicating a contract in which a customer, an item related to the customer's facility, and continuous billing information are associated; An item management unit that manages spare item information in which the contract information and the spare item, which is the item held according to the contract, are associated; A continuous billing unit that continuously performs billing based on the continuous billing information Based on the preliminary article information, for the information indicating the input customer and article, determine whether the article is the subject of the contract, and if it is the subject of the contract, a first output unit that outputs information indicating that the article is the subject of the contract; Based on the preliminary article information, for the information indicating the input customer and article, determine whether the article is the subject of the contract, and if it is the subject of the contract, an article selection unit that selects the article as a replacement article; A second output unit that outputs replacement article information regarding the replacement article; A maintenance service system comprising: (Appendix 12) The first output unit outputs the continuous billing information based on the contract information for the information indicating the input customer. The maintenance service system according to (Appendix 11). (Appendix 13) The first output unit outputs article information indicating the articles that are the subject of the contract based on the contract information for the information indicating the input customer. The maintenance service system according to (Appendix 12). (Appendix 14) The first output unit outputs information regarding preliminary articles based on the preliminary article information for the information indicating the input customer. The maintenance service system according to (Appendix 12). (Appendix 15) The contract information is associated with a customer, the customer's facility, equipment, parts of the equipment, and continuous billing information; The first output unit outputs information indicating whether facilities, equipment, parts, and each part are the subject of the contract based on the contract information for the information indicating the input customer. The maintenance service system according to (Appendix 12). (Appendix 16) The contract information is associated with a customer, the customer's facility, articles related to the customer's equipment, and continuous billing information; The first output unit outputs the billing information and article information indicating the articles that are the subject of the contract based on the contract information for the information indicating the input facility. The maintenance service system of (Appendix 11). (Appendix 17) The first output unit outputs article information indicating articles subject to a contract for facilities within a facility based on the contract information with respect to information indicating the input facility, the maintenance service system described in (Appendix 16). (Appendix 18) The first output unit outputs information regarding spare articles for facilities within a facility based on the spare article information with respect to information indicating the input facility, the maintenance service system described in (Appendix 16). (Appendix 19) The first output unit outputs information indicating whether or not articles subject to the contract include articles for each facility within a facility based on the contract information or the spare article information with respect to information indicating the input facility. The maintenance service system described in (Appendix 16). (Appendix 20) The contract information is associated with a customer, articles related to the customer's facilities, and continuous billing information. The first output unit outputs the continuous billing information and article information indicating articles subject to the contract based on the contract information with respect to information indicating the input facility, the maintenance service system described in (Appendix 11). (Appendix 21) The first output unit outputs article information indicating articles subject to the contract for the relevant facility based on the contract information with respect to information indicating the input facility, the maintenance service system described in (Appendix 20). (Appendix 22) The first output unit outputs information regarding spare articles for the relevant facility based on the spare article information with respect to information indicating the input facility, the maintenance service system described in (Appendix 20). (Appendix 23) The first output unit outputs information indicating whether or not each component of the relevant facility is subject to the contract based on the contract information or the spare article information with respect to information indicating the input facility, the maintenance service system described in (Appendix 20).

Explanation of Signs

[0107] 1, 1A, 1B, 1C… Conservative service system, 100… Management device, 110… Input unit, 120, 120B… Output unit, 122… First output unit, 124… Second output unit, 130, 130A, 130B, 130C… Control unit, 132, 132C… Setting unit, 134… Contract unit, 136, 136C… Goods management unit, 138, 138C… Recurring billing unit, 140… Goods selection unit, 142… Output control unit, 144… Exchange billing unit, 146… Expiration calculation unit, 148… Management unit, 150… Shipping arrangement unit, 160, 160A… Memory unit, 162… Contract memory unit, 164… Recurring billing memory unit, 166… Purchase cost memory unit, 168… Inventory memory unit, 200… Terminal device, 202… Terminal input unit, 204… Terminal output unit, 206… Terminal control unit, 208… Terminal memory unit, 300… Manufacturer device, 302… Reception unit, 304… Production management unit, 400… Infrastructure facility, 500… Inventory facility device, 502… Inventory management unit

Claims

1. For articles which are different facilities or devices or parts included in the facilities by customers, based on the risk of the articles, the purchase price of the articles, and the contract period, a setting unit that determines a continuous charging fee based on a contract under which the articles are held in stock and the customer can purchase the articles; An article management unit that manages preliminary article information indicating preliminary articles that are the articles held in stock; A continuous charging unit that continuously charges the continuous charging fee; A maintenance service system comprising:

2. When the articles are multiple types of articles, The setting unit determines a continuous charging fee based on the risk for each type of article, the purchase price for each type of article, and the contract period for each type of article for which the contract is targeted. The maintenance service system according to claim 1.

3. The setting unit determines the continuous charging fee based on the number of customers having a contract corresponding to the preliminary articles. The maintenance service system according to claim 1.

4. The setting unit determines the number of preliminary articles according to the risk for each article and the number of customers having a contract corresponding to the preliminary articles, calculates a preliminary article cost according to the number of preliminary articles and the purchase price of the preliminary articles, and determines the continuous charging fee based on the preliminary article cost and the number of customers. The maintenance service system according to claim 1.

5. The setting unit determines the contract period based on the continuous charging fee. The maintenance service system according to claim 1.

6. The setting unit determines the continuous charging fee for the preliminary articles related to the facility based on the usage status of the maintenance service of the facility. The maintenance service system according to claim 1.

7. The setting unit determines the continuous charging fee for the preliminary articles related to the facility based on environment information indicating the environment of the facility. The maintenance service system according to claim 1.

8. The higher the risk indicating the failure rate or replacement frequency, the higher the continuous charging fee is set by the setting unit. The maintenance service system according to claim 1.

9. The higher the purchase price of the article, the higher the continuous charging fee is set by the setting unit, and the longer the contract period of the article, the lower the continuous charging fee is set. The maintenance service system according to claim 1.

10. The higher the risk indicating the failure rate or replacement frequency, the lower the continuous charging fee is set by the setting unit. The maintenance service system according to claim 1.

11. The management device determines a continuous charging fee based on a contract that allows the customer to purchase the item, where the item is equipment, a device, or a part included in the equipment that varies by customer, and the risk, purchase price, and contract period of the item, and holds the item as inventory. The management device manages preliminary item information indicating a preliminary item that is the item held as inventory. The management device continuously charges the continuous charging fee. A processing method for maintenance services, including the above steps.

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